java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loops/linear_sea.ch.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:22:05,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:22:05,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:22:05,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:22:05,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:22:05,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:22:05,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:22:05,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:22:05,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:22:05,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:22:05,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:22:05,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:22:05,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:22:05,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:22:05,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:22:05,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:22:05,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:22:05,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:22:05,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:22:05,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:22:05,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:22:05,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:22:05,437 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:22:05,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:22:05,440 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:22:05,440 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:22:05,441 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:22:05,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:22:05,442 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:22:05,443 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:22:05,443 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:22:05,444 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:22:05,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:22:05,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:22:05,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:22:05,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:22:05,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:22:05,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:22:05,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:22:05,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:22:05,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:22:05,451 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 19:22:05,465 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:22:05,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:22:05,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:22:05,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:22:05,467 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:22:05,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:22:05,468 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:22:05,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:22:05,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:22:05,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:22:05,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:22:05,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:22:05,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:22:05,469 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:22:05,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:22:05,469 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:22:05,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:22:05,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:22:05,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:22:05,470 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:22:05,470 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:22:05,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:22:05,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:22:05,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:22:05,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:22:05,471 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:22:05,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:22:05,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:22:05,472 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 19:22:05,503 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:22:05,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:22:05,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:22:05,520 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:22:05,520 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:22:05,521 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/linear_sea.ch.c [2019-09-20 19:22:05,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a8ac40c3/8ced8a5521e046778abb48f749dc09a1/FLAG8eb1057e5 [2019-09-20 19:22:06,061 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:22:06,062 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/linear_sea.ch.c [2019-09-20 19:22:06,068 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a8ac40c3/8ced8a5521e046778abb48f749dc09a1/FLAG8eb1057e5 [2019-09-20 19:22:06,451 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a8ac40c3/8ced8a5521e046778abb48f749dc09a1 [2019-09-20 19:22:06,460 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:22:06,461 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:22:06,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:22:06,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:22:06,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:22:06,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:22:06" (1/1) ... [2019-09-20 19:22:06,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b20f996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:06, skipping insertion in model container [2019-09-20 19:22:06,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:22:06" (1/1) ... [2019-09-20 19:22:06,477 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:22:06,494 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:22:06,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:22:06,702 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:22:06,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:22:06,733 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:22:06,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:06 WrapperNode [2019-09-20 19:22:06,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:22:06,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:22:06,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:22:06,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:22:06,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:06" (1/1) ... [2019-09-20 19:22:06,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:06" (1/1) ... [2019-09-20 19:22:06,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:06" (1/1) ... [2019-09-20 19:22:06,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:06" (1/1) ... [2019-09-20 19:22:06,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:06" (1/1) ... [2019-09-20 19:22:06,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:06" (1/1) ... [2019-09-20 19:22:06,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:06" (1/1) ... [2019-09-20 19:22:06,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:22:06,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:22:06,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:22:06,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:22:06,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:22:06" (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 19:22:06,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:22:06,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:22:06,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 19:22:06,939 INFO L138 BoogieDeclarations]: Found implementation of procedure linear_search [2019-09-20 19:22:06,939 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:22:06,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:22:06,939 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 19:22:06,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 19:22:06,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-20 19:22:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure linear_search [2019-09-20 19:22:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 19:22:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:22:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 19:22:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 19:22:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:22:06,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:22:06,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 19:22:07,268 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:22:07,268 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 19:22:07,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:22:07 BoogieIcfgContainer [2019-09-20 19:22:07,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:22:07,270 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:22:07,270 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:22:07,271 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:22:07,272 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:22:07" (1/1) ... [2019-09-20 19:22:07,273 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 19:22:07,292 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:22:07,293 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:22:07,300 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:22:07,311 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:22:07,313 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:22:07,595 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 24 for LOIs [2019-09-20 19:22:07,974 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2019-09-20 19:22:08,219 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2019-09-20 19:22:08,559 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2019-09-20 19:22:08,759 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2019-09-20 19:22:08,938 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2019-09-20 19:22:09,121 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2019-09-20 19:22:09,383 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 43 [2019-09-20 19:22:09,494 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-09-20 19:22:09,888 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2019-09-20 19:22:10,101 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-09-20 19:22:10,317 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-20 19:22:10,736 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 71 [2019-09-20 19:22:10,898 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 19:22:11,116 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-09-20 19:22:11,475 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-20 19:22:11,595 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-20 19:22:11,976 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-20 19:22:12,173 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 19:22:12,504 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2019-09-20 19:22:12,669 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 19:22:12,999 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-20 19:22:13,156 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 19:22:14,125 WARN L191 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 99 [2019-09-20 19:22:14,356 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 19:22:17,279 WARN L191 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2019-09-20 19:22:17,479 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 19:22:18,249 WARN L191 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2019-09-20 19:22:18,529 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-09-20 19:22:18,891 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 43 [2019-09-20 19:22:18,996 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-09-20 19:22:19,362 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2019-09-20 19:22:19,580 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-09-20 19:22:19,782 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-20 19:22:20,139 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 71 [2019-09-20 19:22:20,261 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 19:22:20,467 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-09-20 19:22:20,777 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-20 19:22:20,886 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-20 19:22:21,274 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 85 [2019-09-20 19:22:21,457 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 19:22:21,733 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2019-09-20 19:22:21,845 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 19:22:24,200 WARN L191 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-20 19:22:24,348 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 19:22:24,975 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 99 [2019-09-20 19:22:27,334 WARN L191 SmtUtils]: Spent 2.36 s on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 19:22:28,191 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2019-09-20 19:22:28,354 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 19:22:29,013 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2019-09-20 19:22:29,293 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-09-20 19:22:29,635 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 43 [2019-09-20 19:22:30,054 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2019-09-20 19:22:30,264 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-09-20 19:22:30,477 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-20 19:22:30,895 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 47 [2019-09-20 19:22:31,324 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2019-09-20 19:22:31,542 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2019-09-20 19:22:31,770 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-09-20 19:22:32,169 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 56 for LOIs [2019-09-20 19:22:32,209 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 19:22:32,209 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 19:22:32,210 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 423#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 19:22:32,221 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 19:22:32,221 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 19:22:32,223 INFO L168 Benchmark]: Toolchain (without parser) took 25761.63 ms. Allocated memory was 133.2 MB in the beginning and 350.2 MB in the end (delta: 217.1 MB). Free memory was 89.3 MB in the beginning and 135.2 MB in the end (delta: -45.9 MB). Peak memory consumption was 171.2 MB. Max. memory is 7.1 GB. [2019-09-20 19:22:32,223 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 19:22:32,224 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.25 ms. Allocated memory is still 133.2 MB. Free memory was 89.1 MB in the beginning and 79.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-09-20 19:22:32,225 INFO L168 Benchmark]: Boogie Preprocessor took 146.33 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 79.0 MB in the beginning and 176.2 MB in the end (delta: -97.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-09-20 19:22:32,226 INFO L168 Benchmark]: RCFGBuilder took 388.22 ms. Allocated memory is still 200.3 MB. Free memory was 176.2 MB in the beginning and 159.4 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2019-09-20 19:22:32,227 INFO L168 Benchmark]: Sifa took 24950.62 ms. Allocated memory was 200.3 MB in the beginning and 350.2 MB in the end (delta: 149.9 MB). Free memory was 159.4 MB in the beginning and 135.2 MB in the end (delta: 24.2 MB). Peak memory consumption was 174.1 MB. Max. memory is 7.1 GB. [2019-09-20 19:22:32,231 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 133.2 MB. Free memory was 107.4 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 272.25 ms. Allocated memory is still 133.2 MB. Free memory was 89.1 MB in the beginning and 79.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 146.33 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 79.0 MB in the beginning and 176.2 MB in the end (delta: -97.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 388.22 ms. Allocated memory is still 200.3 MB. Free memory was 176.2 MB in the beginning and 159.4 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. * Sifa took 24950.62 ms. Allocated memory was 200.3 MB in the beginning and 350.2 MB in the end (delta: 149.9 MB). Free memory was 159.4 MB in the beginning and 135.2 MB in the end (delta: 24.2 MB). Peak memory consumption was 174.1 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]: 24918, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 278, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 270, TOOLS_POST_TIME[ms]: 385, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 59, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 12, TOOLS_QUANTIFIERELIM_APPLICATIONS: 276, TOOLS_QUANTIFIERELIM_TIME[ms]: 354, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 100, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 296, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 52, DOMAIN_JOIN_TIME[ms]: 17872, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 5, DOMAIN_WIDEN_APPLICATIONS: 14, DOMAIN_WIDEN_TIME[ms]: 6299, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 50, DOMAIN_ISBOTTOM_APPLICATIONS: 25, DOMAIN_ISBOTTOM_TIME[ms]: 101, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 22092, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 22092, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 2, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 24592, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 24591, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 36, DAG_COMPRESSION_PROCESSED_NODES: 257, DAG_COMPRESSION_RETAINED_NODES: 111 - 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 423#(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...