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/loops/terminator_02-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:19:39,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:19:39,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:19:39,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:19:39,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:19:39,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:19:39,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:19:39,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:19:39,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:19:39,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:19:39,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:19:39,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:19:39,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:19:39,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:19:39,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:19:39,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:19:39,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:19:39,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:19:39,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:19:39,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:19:39,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:19:39,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:19:39,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:19:39,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:19:39,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:19:39,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:19:39,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:19:39,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:19:39,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:19:39,325 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:19:39,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:19:39,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:19:39,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:19:39,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:19:39,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:19:39,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:19:39,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:19:39,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:19:39,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:19:39,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:19:39,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:19:39,331 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 17:19:39,352 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:19:39,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:19:39,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:19:39,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:19:39,356 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:19:39,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:19:39,356 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:19:39,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:19:39,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:19:39,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:19:39,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:19:39,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:19:39,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:19:39,359 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:19:39,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:19:39,359 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:19:39,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:19:39,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:19:39,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:19:39,360 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:19:39,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:19:39,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:19:39,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:19:39,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:19:39,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:19:39,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:19:39,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:19:39,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:19:39,362 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 17:19:39,403 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:19:39,416 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:19:39,419 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:19:39,421 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:19:39,421 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:19:39,422 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_02-1.c [2019-09-20 17:19:39,485 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/789b86d6d/76555b8de211474598fc2aecd2e26a40/FLAG835d0517f [2019-09-20 17:19:39,869 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:19:39,870 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_02-1.c [2019-09-20 17:19:39,875 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/789b86d6d/76555b8de211474598fc2aecd2e26a40/FLAG835d0517f [2019-09-20 17:19:40,234 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/789b86d6d/76555b8de211474598fc2aecd2e26a40 [2019-09-20 17:19:40,244 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:19:40,245 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:19:40,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:19:40,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:19:40,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:19:40,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:19:40" (1/1) ... [2019-09-20 17:19:40,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bc05bd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:40, skipping insertion in model container [2019-09-20 17:19:40,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:19:40" (1/1) ... [2019-09-20 17:19:40,262 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:19:40,279 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:19:40,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:19:40,505 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:19:40,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:19:40,532 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:19:40,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:40 WrapperNode [2019-09-20 17:19:40,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:19:40,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:19:40,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:19:40,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:19:40,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:40" (1/1) ... [2019-09-20 17:19:40,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:40" (1/1) ... [2019-09-20 17:19:40,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:40" (1/1) ... [2019-09-20 17:19:40,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:40" (1/1) ... [2019-09-20 17:19:40,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:40" (1/1) ... [2019-09-20 17:19:40,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:40" (1/1) ... [2019-09-20 17:19:40,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:40" (1/1) ... [2019-09-20 17:19:40,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:19:40,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:19:40,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:19:40,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:19:40,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:19:40" (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 17:19:40,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:19:40,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:19:40,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 17:19:40,705 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:19:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:19:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 17:19:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 17:19:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 17:19:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:19:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:19:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:19:40,914 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:19:40,914 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 17:19:40,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:19:40 BoogieIcfgContainer [2019-09-20 17:19:40,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:19:40,917 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:19:40,917 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:19:40,917 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:19:40,918 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:19:40" (1/1) ... [2019-09-20 17:19:40,919 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 17:19:40,946 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:19:40,947 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:19:40,958 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:19:40,970 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:19:40,972 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:19:41,062 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 17:19:41,235 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2019-09-20 17:19:41,451 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-09-20 17:19:41,887 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2019-09-20 17:19:42,097 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-09-20 17:19:42,213 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 41 [2019-09-20 17:19:42,386 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-20 17:19:42,606 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2019-09-20 17:19:42,915 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-20 17:19:43,087 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2019-09-20 17:19:43,364 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2019-09-20 17:19:43,631 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2019-09-20 17:19:43,917 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2019-09-20 17:19:44,135 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2019-09-20 17:19:44,261 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 17:19:44,541 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2019-09-20 17:19:45,005 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 72 [2019-09-20 17:19:45,145 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 17:19:45,461 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 17:19:45,767 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2019-09-20 17:19:45,899 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 17:19:46,166 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-09-20 17:19:46,615 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 71 [2019-09-20 17:19:46,784 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 17:19:47,137 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-20 17:19:47,342 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2019-09-20 17:19:47,652 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 57 [2019-09-20 17:19:47,839 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 3 for LOIs [2019-09-20 17:19:47,871 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 17:19:47,871 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 17:19:47,874 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 101#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 17:19:47,887 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 17:19:47,887 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 17:19:47,889 INFO L168 Benchmark]: Toolchain (without parser) took 7643.32 ms. Allocated memory was 133.2 MB in the beginning and 332.9 MB in the end (delta: 199.8 MB). Free memory was 89.3 MB in the beginning and 281.6 MB in the end (delta: -192.3 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. [2019-09-20 17:19:47,890 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 17:19:47,890 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.36 ms. Allocated memory is still 133.2 MB. Free memory was 89.1 MB in the beginning and 79.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-20 17:19:47,891 INFO L168 Benchmark]: Boogie Preprocessor took 114.17 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 79.8 MB in the beginning and 176.7 MB in the end (delta: -96.9 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2019-09-20 17:19:47,892 INFO L168 Benchmark]: RCFGBuilder took 268.43 ms. Allocated memory is still 199.8 MB. Free memory was 176.7 MB in the beginning and 162.4 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2019-09-20 17:19:47,893 INFO L168 Benchmark]: Sifa took 6970.52 ms. Allocated memory was 199.8 MB in the beginning and 332.9 MB in the end (delta: 133.2 MB). Free memory was 162.4 MB in the beginning and 281.6 MB in the end (delta: -119.2 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-09-20 17:19:47,897 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 286.36 ms. Allocated memory is still 133.2 MB. Free memory was 89.1 MB in the beginning and 79.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.17 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 79.8 MB in the beginning and 176.7 MB in the end (delta: -96.9 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 268.43 ms. Allocated memory is still 199.8 MB. Free memory was 176.7 MB in the beginning and 162.4 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * Sifa took 6970.52 ms. Allocated memory was 199.8 MB in the beginning and 332.9 MB in the end (delta: 133.2 MB). Free memory was 162.4 MB in the beginning and 281.6 MB in the end (delta: -119.2 MB). Peak memory consumption was 13.9 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]: 6927, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 17, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 13, TOOLS_POST_TIME[ms]: 218, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 17, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 17, TOOLS_QUANTIFIERELIM_TIME[ms]: 216, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 57, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 24, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 9, DOMAIN_JOIN_TIME[ms]: 3777, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 296, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 2499, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 34, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6749, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6749, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 44, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 44, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 44, DAG_COMPRESSION_RETAINED_NODES: 28 - UnprovableResult [Line: 5]: 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 101#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...