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/loop-lit/afnp2014.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 15:36:49,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 15:36:49,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 15:36:49,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 15:36:49,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 15:36:49,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 15:36:49,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 15:36:49,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 15:36:49,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 15:36:49,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 15:36:49,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 15:36:49,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 15:36:49,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 15:36:49,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 15:36:49,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 15:36:49,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 15:36:49,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 15:36:49,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 15:36:49,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 15:36:49,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 15:36:49,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 15:36:49,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 15:36:49,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 15:36:49,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 15:36:49,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 15:36:49,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 15:36:49,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 15:36:49,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 15:36:49,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 15:36:49,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 15:36:49,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 15:36:49,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 15:36:49,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 15:36:49,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 15:36:49,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 15:36:49,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 15:36:49,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 15:36:49,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 15:36:49,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 15:36:49,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 15:36:49,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 15:36:49,219 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 [2019-09-17 15:36:49,239 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 15:36:49,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 15:36:49,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 15:36:49,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 15:36:49,242 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 15:36:49,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 15:36:49,243 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 15:36:49,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 15:36:49,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 15:36:49,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 15:36:49,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 15:36:49,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 15:36:49,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 15:36:49,245 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 15:36:49,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 15:36:49,246 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 15:36:49,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 15:36:49,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 15:36:49,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 15:36:49,247 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 15:36:49,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 15:36:49,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 15:36:49,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 15:36:49,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 15:36:49,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 15:36:49,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 15:36:49,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 15:36:49,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 15:36:49,249 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 [2019-09-17 15:36:49,285 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 15:36:49,298 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 15:36:49,301 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 15:36:49,302 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 15:36:49,302 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 15:36:49,303 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/afnp2014.i [2019-09-17 15:36:49,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60537dd27/7d5b23f0e0ef46e4b7518ed6ce64809f/FLAGdc1dd6930 [2019-09-17 15:36:49,813 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 15:36:49,816 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/afnp2014.i [2019-09-17 15:36:49,822 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60537dd27/7d5b23f0e0ef46e4b7518ed6ce64809f/FLAGdc1dd6930 [2019-09-17 15:36:50,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60537dd27/7d5b23f0e0ef46e4b7518ed6ce64809f [2019-09-17 15:36:50,253 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 15:36:50,255 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 15:36:50,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 15:36:50,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 15:36:50,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 15:36:50,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 03:36:50" (1/1) ... [2019-09-17 15:36:50,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55049ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:36:50, skipping insertion in model container [2019-09-17 15:36:50,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 03:36:50" (1/1) ... [2019-09-17 15:36:50,270 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 15:36:50,286 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 15:36:50,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 15:36:50,464 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 15:36:50,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 15:36:50,488 INFO L192 MainTranslator]: Completed translation [2019-09-17 15:36:50,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:36:50 WrapperNode [2019-09-17 15:36:50,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 15:36:50,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 15:36:50,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 15:36:50,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 15:36:50,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:36:50" (1/1) ... [2019-09-17 15:36:50,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:36:50" (1/1) ... [2019-09-17 15:36:50,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:36:50" (1/1) ... [2019-09-17 15:36:50,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:36:50" (1/1) ... [2019-09-17 15:36:50,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:36:50" (1/1) ... [2019-09-17 15:36:50,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:36:50" (1/1) ... [2019-09-17 15:36:50,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:36:50" (1/1) ... [2019-09-17 15:36:50,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 15:36:50,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 15:36:50,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 15:36:50,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 15:36:50,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:36:50" (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 [2019-09-17 15:36:50,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 15:36:50,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 15:36:50,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-17 15:36:50,655 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 15:36:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 15:36:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-17 15:36:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-17 15:36:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 15:36:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 15:36:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 15:36:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 15:36:50,883 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 15:36:50,883 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-17 15:36:50,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 03:36:50 BoogieIcfgContainer [2019-09-17 15:36:50,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 15:36:50,885 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 15:36:50,885 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 15:36:50,888 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 15:36:50,889 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 03:36:50" (1/1) ... [2019-09-17 15:36:50,896 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 [2019-09-17 15:36:50,942 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 15:36:50,943 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 15:36:50,954 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 15:36:50,962 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 15:36:50,964 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 15:36:51,027 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-17 15:36:51,176 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2019-09-17 15:36:51,464 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2019-09-17 15:36:51,646 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 23 [2019-09-17 15:36:52,203 WARN L222 IntervalDomain]: Interval conversion did not stabilize in 3 iterations. Over-approximation may be very coarse. [2019-09-17 15:36:52,465 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2019-09-17 15:36:52,702 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-17 15:36:53,021 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-09-17 15:36:53,229 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-17 15:36:53,372 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2019-09-17 15:36:53,653 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2019-09-17 15:36:53,901 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-09-17 15:36:54,040 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-17 15:36:54,374 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 62 [2019-09-17 15:36:54,645 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-17 15:36:54,797 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-09-17 15:36:55,108 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 63 [2019-09-17 15:36:55,373 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2019-09-17 15:36:55,523 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-09-17 15:36:55,836 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 69 [2019-09-17 15:36:56,119 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-17 15:36:56,283 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-09-17 15:36:56,697 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 83 [2019-09-17 15:36:56,826 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-17 15:36:57,062 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2019-09-17 15:36:57,283 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-17 15:36:57,675 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 85 [2019-09-17 15:36:57,978 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2019-09-17 15:36:58,140 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-17 15:36:58,547 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 92 [2019-09-17 15:36:58,669 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-17 15:36:58,905 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2019-09-17 15:36:59,112 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-17 15:36:59,228 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-17 15:36:59,564 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 95 [2019-09-17 15:36:59,673 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-17 15:36:59,905 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2019-09-17 15:37:00,131 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-17 15:37:00,620 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 96 [2019-09-17 15:37:00,743 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-17 15:37:00,986 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2019-09-17 15:37:01,200 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-09-17 15:37:01,666 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 101 [2019-09-17 15:37:01,791 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-17 15:37:02,079 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2019-09-17 15:37:02,318 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2019-09-17 15:37:02,421 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-17 15:37:02,557 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-17 15:37:02,886 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-17 15:37:02,928 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 15:37:02,928 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 15:37:02,930 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 216#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-17 15:37:02,941 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 15:37:02,941 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 15:37:02,942 INFO L168 Benchmark]: Toolchain (without parser) took 12687.81 ms. Allocated memory was 137.9 MB in the beginning and 360.7 MB in the end (delta: 222.8 MB). Free memory was 87.5 MB in the beginning and 268.7 MB in the end (delta: -181.2 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. [2019-09-17 15:37:02,943 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 15:37:02,944 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.26 ms. Allocated memory is still 137.9 MB. Free memory was 87.3 MB in the beginning and 77.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-17 15:37:02,945 INFO L168 Benchmark]: Boogie Preprocessor took 116.29 ms. Allocated memory was 137.9 MB in the beginning and 199.2 MB in the end (delta: 61.3 MB). Free memory was 77.7 MB in the beginning and 177.1 MB in the end (delta: -99.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-09-17 15:37:02,946 INFO L168 Benchmark]: RCFGBuilder took 278.92 ms. Allocated memory is still 199.2 MB. Free memory was 177.1 MB in the beginning and 164.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-09-17 15:37:02,947 INFO L168 Benchmark]: Sifa took 12055.82 ms. Allocated memory was 199.2 MB in the beginning and 360.7 MB in the end (delta: 161.5 MB). Free memory was 163.7 MB in the beginning and 268.7 MB in the end (delta: -105.0 MB). Peak memory consumption was 56.5 MB. Max. memory is 7.1 GB. [2019-09-17 15:37:02,951 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 137.9 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 233.26 ms. Allocated memory is still 137.9 MB. Free memory was 87.3 MB in the beginning and 77.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.29 ms. Allocated memory was 137.9 MB in the beginning and 199.2 MB in the end (delta: 61.3 MB). Free memory was 77.7 MB in the beginning and 177.1 MB in the end (delta: -99.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 278.92 ms. Allocated memory is still 199.2 MB. Free memory was 177.1 MB in the beginning and 164.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * Sifa took 12055.82 ms. Allocated memory was 199.2 MB in the beginning and 360.7 MB in the end (delta: 161.5 MB). Free memory was 163.7 MB in the beginning and 268.7 MB in the end (delta: -105.0 MB). Peak memory consumption was 56.5 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]: 11988, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 47, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 43, TOOLS_POST_TIME[ms]: 161, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 8, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 47, TOOLS_QUANTIFIERELIM_TIME[ms]: 134, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 64, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 21, DOMAIN_JOIN_TIME[ms]: 4863, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 79, DOMAIN_WIDEN_APPLICATIONS: 16, DOMAIN_WIDEN_TIME[ms]: 6751, DOMAIN_ISSUBSETEQ_APPLICATIONS: 17, DOMAIN_ISSUBSETEQ_TIME[ms]: 42, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 3, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 11825, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11825, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 17, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 27, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 26, 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: 65, DAG_COMPRESSION_RETAINED_NODES: 33 - 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 216#(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...