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-acceleration/simple_3-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:20:04,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:20:04,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:20:04,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:20:04,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:20:04,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:20:04,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:20:04,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:20:04,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:20:04,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:20:04,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:20:04,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:20:04,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:20:04,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:20:04,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:20:04,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:20:04,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:20:04,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:20:04,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:20:04,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:20:04,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:20:04,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:20:04,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:20:04,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:20:04,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:20:04,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:20:04,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:20:04,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:20:04,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:20:04,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:20:04,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:20:04,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:20:04,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:20:04,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:20:04,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:20:04,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:20:04,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:20:04,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:20:04,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:20:04,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:20:04,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:20:04,403 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 17:20:04,418 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:20:04,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:20:04,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:20:04,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:20:04,420 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:20:04,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:20:04,420 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:20:04,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:20:04,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:20:04,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:20:04,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:20:04,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:20:04,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:20:04,422 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:20:04,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:20:04,422 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:20:04,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:20:04,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:20:04,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:20:04,423 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:20:04,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:20:04,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:20:04,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:20:04,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:20:04,424 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:20:04,424 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:20:04,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:20:04,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:20:04,425 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 17:20:04,456 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:20:04,468 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:20:04,472 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:20:04,474 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:20:04,474 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:20:04,475 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_3-2.c [2019-09-20 17:20:04,560 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b1a71193/86539361ad6945b5b5e7932f21faecf1/FLAG021b9aed7 [2019-09-20 17:20:04,987 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:20:04,987 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_3-2.c [2019-09-20 17:20:04,994 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b1a71193/86539361ad6945b5b5e7932f21faecf1/FLAG021b9aed7 [2019-09-20 17:20:05,406 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b1a71193/86539361ad6945b5b5e7932f21faecf1 [2019-09-20 17:20:05,419 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:20:05,421 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:20:05,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:20:05,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:20:05,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:20:05,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:20:05" (1/1) ... [2019-09-20 17:20:05,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b0f51fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:20:05, skipping insertion in model container [2019-09-20 17:20:05,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:20:05" (1/1) ... [2019-09-20 17:20:05,438 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:20:05,455 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:20:05,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:20:05,654 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:20:05,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:20:05,691 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:20:05,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:20:05 WrapperNode [2019-09-20 17:20:05,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:20:05,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:20:05,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:20:05,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:20:05,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:20:05" (1/1) ... [2019-09-20 17:20:05,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:20:05" (1/1) ... [2019-09-20 17:20:05,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:20:05" (1/1) ... [2019-09-20 17:20:05,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:20:05" (1/1) ... [2019-09-20 17:20:05,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:20:05" (1/1) ... [2019-09-20 17:20:05,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:20:05" (1/1) ... [2019-09-20 17:20:05,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:20:05" (1/1) ... [2019-09-20 17:20:05,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:20:05,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:20:05,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:20:05,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:20:05,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:20:05" (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 17:20:05,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:20:05,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:20:05,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 17:20:05,883 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:20:05,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:20:05,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-20 17:20:05,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 17:20:05,883 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:20:05,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:20:05,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:20:06,061 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:20:06,062 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 17:20:06,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:20:06 BoogieIcfgContainer [2019-09-20 17:20:06,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:20:06,064 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:20:06,064 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:20:06,065 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:20:06,066 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:20:06" (1/1) ... [2019-09-20 17:20:06,066 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 17:20:06,090 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:20:06,090 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:20:06,097 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:20:06,106 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:20:06,107 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:20:06,171 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 17:20:07,551 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2019-09-20 17:20:07,782 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2019-09-20 17:20:07,982 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2019-09-20 17:20:08,239 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2019-09-20 17:20:08,406 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-09-20 17:20:08,519 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2019-09-20 17:20:08,813 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2019-09-20 17:20:09,017 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2019-09-20 17:20:09,161 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-09-20 17:20:09,458 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2019-09-20 17:20:09,663 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2019-09-20 17:20:09,887 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-20 17:20:10,030 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2019-09-20 17:20:10,204 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-20 17:20:10,450 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2019-09-20 17:20:10,555 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 17:20:10,781 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2019-09-20 17:20:11,009 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-09-20 17:20:11,289 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2019-09-20 17:20:11,725 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2019-09-20 17:20:11,974 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 17:20:12,318 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2019-09-20 17:20:12,558 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2019-09-20 17:20:12,842 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2019-09-20 17:20:13,299 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2019-09-20 17:20:13,481 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 17:20:13,814 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-20 17:20:14,065 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-09-20 17:20:14,183 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 17:20:14,380 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2019-09-20 17:20:14,831 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-20 17:20:15,272 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 17:20:15,639 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-20 17:20:16,064 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-20 17:20:16,190 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 17:20:16,444 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2019-09-20 17:20:16,773 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 80 [2019-09-20 17:20:16,897 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 17:20:17,222 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2019-09-20 17:20:17,556 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2019-09-20 17:20:17,687 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 17:20:17,981 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2019-09-20 17:20:18,317 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 81 [2019-09-20 17:20:18,453 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 17:20:18,750 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2019-09-20 17:20:19,050 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-20 17:20:19,208 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 17:20:19,492 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2019-09-20 17:20:19,994 WARN L191 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 91 [2019-09-20 17:20:20,064 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 17:20:20,095 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 17:20:20,095 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 17:20:20,097 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 154#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 17:20:20,109 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 17:20:20,109 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 17:20:20,111 INFO L168 Benchmark]: Toolchain (without parser) took 14690.16 ms. Allocated memory was 140.5 MB in the beginning and 298.3 MB in the end (delta: 157.8 MB). Free memory was 88.1 MB in the beginning and 128.0 MB in the end (delta: -39.9 MB). Peak memory consumption was 117.9 MB. Max. memory is 7.1 GB. [2019-09-20 17:20:20,112 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.5 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 17:20:20,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.85 ms. Allocated memory is still 140.5 MB. Free memory was 87.9 MB in the beginning and 78.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-20 17:20:20,114 INFO L168 Benchmark]: Boogie Preprocessor took 124.83 ms. Allocated memory was 140.5 MB in the beginning and 199.8 MB in the end (delta: 59.2 MB). Free memory was 78.7 MB in the beginning and 177.7 MB in the end (delta: -99.0 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-20 17:20:20,115 INFO L168 Benchmark]: RCFGBuilder took 245.28 ms. Allocated memory is still 199.8 MB. Free memory was 177.7 MB in the beginning and 165.7 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-09-20 17:20:20,116 INFO L168 Benchmark]: Sifa took 14045.39 ms. Allocated memory was 199.8 MB in the beginning and 298.3 MB in the end (delta: 98.6 MB). Free memory was 165.7 MB in the beginning and 131.4 MB in the end (delta: 34.3 MB). Peak memory consumption was 132.9 MB. Max. memory is 7.1 GB. [2019-09-20 17:20:20,121 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 140.5 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 270.85 ms. Allocated memory is still 140.5 MB. Free memory was 87.9 MB in the beginning and 78.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.83 ms. Allocated memory was 140.5 MB in the beginning and 199.8 MB in the end (delta: 59.2 MB). Free memory was 78.7 MB in the beginning and 177.7 MB in the end (delta: -99.0 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 245.28 ms. Allocated memory is still 199.8 MB. Free memory was 177.7 MB in the beginning and 165.7 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * Sifa took 14045.39 ms. Allocated memory was 199.8 MB in the beginning and 298.3 MB in the end (delta: 98.6 MB). Free memory was 165.7 MB in the beginning and 131.4 MB in the end (delta: 34.3 MB). Peak memory consumption was 132.9 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]: 14007, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 25, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 21, TOOLS_POST_TIME[ms]: 87, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 31, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 25, TOOLS_QUANTIFIERELIM_TIME[ms]: 89, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 22, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 40, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 17, DOMAIN_JOIN_TIME[ms]: 5908, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 14, DOMAIN_WIDEN_TIME[ms]: 7787, DOMAIN_ISSUBSETEQ_APPLICATIONS: 15, DOMAIN_ISSUBSETEQ_TIME[ms]: 122, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 13847, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13847, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 15, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 25, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 25, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 42, DAG_COMPRESSION_RETAINED_NODES: 28 - UnprovableResult [Line: 6]: 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 154#(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...