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-fea9116 [2019-09-20 17:21:15,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:21:15,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:21:15,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:21:15,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:21:15,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:21:15,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:21:15,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:21:15,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:21:15,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:21:15,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:21:15,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:21:15,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:21:15,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:21:15,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:21:15,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:21:15,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:21:15,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:21:15,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:21:15,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:21:15,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:21:15,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:21:15,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:21:15,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:21:15,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:21:15,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:21:15,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:21:15,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:21:15,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:21:15,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:21:15,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:21:15,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:21:15,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:21:15,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:21:15,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:21:15,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:21:15,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:21:15,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:21:15,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:21:15,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:21:15,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:21:15,326 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 17:21:15,341 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:21:15,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:21:15,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:21:15,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:21:15,345 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:21:15,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:21:15,345 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:21:15,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:21:15,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:21:15,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:21:15,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:21:15,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:21:15,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:21:15,347 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:21:15,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:21:15,349 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:21:15,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:21:15,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:21:15,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:21:15,350 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:21:15,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:21:15,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:21:15,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:21:15,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:21:15,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:21:15,351 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:21:15,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:21:15,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:21:15,352 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 17:21:15,404 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:21:15,417 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:21:15,421 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:21:15,422 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:21:15,423 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:21:15,423 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/afnp2014.i [2019-09-20 17:21:15,485 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed027adc2/20a93ef6d00c4ae383c41c1b0634bbc6/FLAG9a495e88c [2019-09-20 17:21:15,932 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:21:15,934 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/afnp2014.i [2019-09-20 17:21:15,939 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed027adc2/20a93ef6d00c4ae383c41c1b0634bbc6/FLAG9a495e88c [2019-09-20 17:21:16,340 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed027adc2/20a93ef6d00c4ae383c41c1b0634bbc6 [2019-09-20 17:21:16,350 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:21:16,352 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:21:16,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:21:16,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:21:16,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:21:16,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:21:16" (1/1) ... [2019-09-20 17:21:16,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49fc6e45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:16, skipping insertion in model container [2019-09-20 17:21:16,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:21:16" (1/1) ... [2019-09-20 17:21:16,369 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:21:16,386 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:21:16,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:21:16,627 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:21:16,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:21:16,665 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:21:16,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:16 WrapperNode [2019-09-20 17:21:16,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:21:16,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:21:16,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:21:16,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:21:16,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:16" (1/1) ... [2019-09-20 17:21:16,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:16" (1/1) ... [2019-09-20 17:21:16,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:16" (1/1) ... [2019-09-20 17:21:16,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:16" (1/1) ... [2019-09-20 17:21:16,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:16" (1/1) ... [2019-09-20 17:21:16,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:16" (1/1) ... [2019-09-20 17:21:16,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:16" (1/1) ... [2019-09-20 17:21:16,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:21:16,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:21:16,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:21:16,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:21:16,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:21:16" (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 17:21:16,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:21:16,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:21:16,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 17:21:16,856 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:21:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:21:16,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 17:21:16,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 17:21:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 17:21:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:21:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:21:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:21:17,040 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:21:17,040 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 17:21:17,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:21:17 BoogieIcfgContainer [2019-09-20 17:21:17,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:21:17,042 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:21:17,042 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:21:17,042 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:21:17,044 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:21:17" (1/1) ... [2019-09-20 17:21:17,044 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 17:21:17,067 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:21:17,068 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:21:17,075 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:21:17,085 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:21:17,086 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:21:17,179 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 17:21:17,394 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2019-09-20 17:21:17,788 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2019-09-20 17:21:17,981 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 23 [2019-09-20 17:21:18,558 WARN L222 IntervalDomain]: Interval conversion did not stabilize in 3 iterations. Over-approximation may be very coarse. [2019-09-20 17:21:18,799 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2019-09-20 17:21:19,000 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2019-09-20 17:21:19,321 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-09-20 17:21:19,515 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-20 17:21:19,631 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2019-09-20 17:21:19,889 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2019-09-20 17:21:20,147 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-09-20 17:21:20,293 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-20 17:21:20,597 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 62 [2019-09-20 17:21:20,832 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-20 17:21:20,971 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-09-20 17:21:21,279 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 63 [2019-09-20 17:21:21,533 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2019-09-20 17:21:21,680 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-09-20 17:21:21,988 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 69 [2019-09-20 17:21:22,262 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-20 17:21:22,426 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-09-20 17:21:22,651 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 17:21:22,925 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 83 [2019-09-20 17:21:23,040 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 17:21:23,276 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2019-09-20 17:21:23,490 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-20 17:21:23,868 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 85 [2019-09-20 17:21:24,165 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2019-09-20 17:21:24,326 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-20 17:21:24,721 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 92 [2019-09-20 17:21:24,824 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 17:21:25,055 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2019-09-20 17:21:25,253 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-20 17:21:25,691 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 95 [2019-09-20 17:21:25,798 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-20 17:21:26,023 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2019-09-20 17:21:26,217 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-20 17:21:26,691 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 96 [2019-09-20 17:21:26,817 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 17:21:27,070 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2019-09-20 17:21:27,290 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2019-09-20 17:21:27,763 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 101 [2019-09-20 17:21:27,882 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-20 17:21:28,141 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2019-09-20 17:21:28,372 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2019-09-20 17:21:28,475 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 17:21:28,595 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 17:21:28,963 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 17:21:28,994 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 17:21:28,994 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 17:21:28,996 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)) [2019-09-20 17:21:29,008 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 17:21:29,008 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 17:21:29,010 INFO L168 Benchmark]: Toolchain (without parser) took 12657.85 ms. Allocated memory was 139.5 MB in the beginning and 383.3 MB in the end (delta: 243.8 MB). Free memory was 87.2 MB in the beginning and 328.7 MB in the end (delta: -241.5 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-20 17:21:29,010 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 17:21:29,011 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.97 ms. Allocated memory is still 139.5 MB. Free memory was 87.0 MB in the beginning and 77.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-20 17:21:29,012 INFO L168 Benchmark]: Boogie Preprocessor took 125.11 ms. Allocated memory was 139.5 MB in the beginning and 197.7 MB in the end (delta: 58.2 MB). Free memory was 77.8 MB in the beginning and 175.3 MB in the end (delta: -97.5 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-20 17:21:29,013 INFO L168 Benchmark]: RCFGBuilder took 250.00 ms. Allocated memory is still 197.7 MB. Free memory was 175.3 MB in the beginning and 162.3 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2019-09-20 17:21:29,014 INFO L168 Benchmark]: Sifa took 11966.01 ms. Allocated memory was 197.7 MB in the beginning and 383.3 MB in the end (delta: 185.6 MB). Free memory was 162.3 MB in the beginning and 328.7 MB in the end (delta: -166.4 MB). Peak memory consumption was 19.2 MB. Max. memory is 7.1 GB. [2019-09-20 17:21:29,018 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 312.97 ms. Allocated memory is still 139.5 MB. Free memory was 87.0 MB in the beginning and 77.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.11 ms. Allocated memory was 139.5 MB in the beginning and 197.7 MB in the end (delta: 58.2 MB). Free memory was 77.8 MB in the beginning and 175.3 MB in the end (delta: -97.5 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 250.00 ms. Allocated memory is still 197.7 MB. Free memory was 175.3 MB in the beginning and 162.3 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. * Sifa took 11966.01 ms. Allocated memory was 197.7 MB in the beginning and 383.3 MB in the end (delta: 185.6 MB). Free memory was 162.3 MB in the beginning and 328.7 MB in the end (delta: -166.4 MB). Peak memory consumption was 19.2 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]: 11929, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 47, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 43, TOOLS_POST_TIME[ms]: 172, 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]: 147, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 19, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 64, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 21, DOMAIN_JOIN_TIME[ms]: 4843, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 100, DOMAIN_WIDEN_APPLICATIONS: 16, DOMAIN_WIDEN_TIME[ms]: 6671, DOMAIN_ISSUBSETEQ_APPLICATIONS: 17, DOMAIN_ISSUBSETEQ_TIME[ms]: 42, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 4, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 11739, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11738, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 17, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 53, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 53, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 18, 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...