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.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loops/heavy-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 06:34:37,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 06:34:37,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 06:34:38,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 06:34:38,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 06:34:38,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 06:34:38,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 06:34:38,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 06:34:38,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 06:34:38,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 06:34:38,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 06:34:38,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 06:34:38,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 06:34:38,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 06:34:38,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 06:34:38,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 06:34:38,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 06:34:38,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 06:34:38,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 06:34:38,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 06:34:38,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 06:34:38,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 06:34:38,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 06:34:38,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 06:34:38,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 06:34:38,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 06:34:38,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 06:34:38,059 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 06:34:38,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 06:34:38,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 06:34:38,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 06:34:38,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 06:34:38,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 06:34:38,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 06:34:38,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 06:34:38,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 06:34:38,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 06:34:38,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 06:34:38,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 06:34:38,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 06:34:38,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 06:34:38,067 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 [2019-10-15 06:34:38,080 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 06:34:38,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 06:34:38,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 06:34:38,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 06:34:38,082 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 06:34:38,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 06:34:38,082 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 06:34:38,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 06:34:38,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 06:34:38,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 06:34:38,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 06:34:38,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 06:34:38,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 06:34:38,084 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 06:34:38,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 06:34:38,084 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 06:34:38,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 06:34:38,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 06:34:38,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 06:34:38,085 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 06:34:38,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 06:34:38,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 06:34:38,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 06:34:38,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 06:34:38,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 06:34:38,086 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 06:34:38,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 06:34:38,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 06:34:38,087 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 06:34:38,383 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 06:34:38,400 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 06:34:38,403 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 06:34:38,405 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 06:34:38,405 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 06:34:38,406 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/heavy-2.c [2019-10-15 06:34:38,476 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43a115169/086bbd78f7fe4eeeabf7c95e8d4927f1/FLAGafd2f6542 [2019-10-15 06:34:38,938 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 06:34:38,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/heavy-2.c [2019-10-15 06:34:38,946 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43a115169/086bbd78f7fe4eeeabf7c95e8d4927f1/FLAGafd2f6542 [2019-10-15 06:34:39,315 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43a115169/086bbd78f7fe4eeeabf7c95e8d4927f1 [2019-10-15 06:34:39,325 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 06:34:39,327 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 06:34:39,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 06:34:39,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 06:34:39,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 06:34:39,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:34:39" (1/1) ... [2019-10-15 06:34:39,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a4be3b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:39, skipping insertion in model container [2019-10-15 06:34:39,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:34:39" (1/1) ... [2019-10-15 06:34:39,345 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 06:34:39,365 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 06:34:39,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:34:39,626 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 06:34:39,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:34:39,786 INFO L192 MainTranslator]: Completed translation [2019-10-15 06:34:39,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:39 WrapperNode [2019-10-15 06:34:39,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 06:34:39,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 06:34:39,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 06:34:39,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 06:34:39,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:39" (1/1) ... [2019-10-15 06:34:39,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:39" (1/1) ... [2019-10-15 06:34:39,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:39" (1/1) ... [2019-10-15 06:34:39,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:39" (1/1) ... [2019-10-15 06:34:39,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:39" (1/1) ... [2019-10-15 06:34:39,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:39" (1/1) ... [2019-10-15 06:34:39,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:39" (1/1) ... [2019-10-15 06:34:39,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 06:34:39,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 06:34:39,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 06:34:39,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 06:34:39,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:34:39" (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 [2019-10-15 06:34:39,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 06:34:39,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 06:34:39,890 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 06:34:39,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 06:34:39,890 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 06:34:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 06:34:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 06:34:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 06:34:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 06:34:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 06:34:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 06:34:39,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 06:34:40,190 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 06:34:40,191 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-15 06:34:40,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:34:40 BoogieIcfgContainer [2019-10-15 06:34:40,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 06:34:40,193 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 06:34:40,193 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 06:34:40,194 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 06:34:40,195 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:34:40" (1/1) ... [2019-10-15 06:34:40,196 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-15 06:34:40,221 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 06:34:40,221 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 06:34:40,229 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 06:34:40,237 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 06:34:40,239 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 06:34:40,544 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2019-10-15 06:34:40,893 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2019-10-15 06:34:41,648 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:41,682 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:41,719 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:41,844 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:41,883 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:41,925 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:42,033 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:42,062 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:42,090 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:42,119 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:42,147 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:42,254 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:42,284 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:42,313 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:42,345 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:42,372 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:42,399 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:42,427 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:42,456 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:42,483 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:42,511 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:42,536 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:42,561 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:42,589 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:42,629 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:42,650 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:42,671 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:42,742 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:43,052 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2019-10-15 06:34:43,347 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:43,361 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:43,509 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:43,524 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:43,606 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:43,619 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:43,650 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:43,663 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:43,722 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:43,792 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:43,817 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:43,833 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:43,965 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:44,086 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:44,112 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:44,179 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-15 06:34:44,309 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 06:34:44,325 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 06:34:44,325 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 06:34:44,329 INFO L168 Benchmark]: Toolchain (without parser) took 5001.35 ms. Allocated memory was 143.7 MB in the beginning and 294.1 MB in the end (delta: 150.5 MB). Free memory was 100.0 MB in the beginning and 265.2 MB in the end (delta: -165.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 06:34:44,332 INFO L168 Benchmark]: CDTParser took 1.21 ms. Allocated memory is still 143.7 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 06:34:44,333 INFO L168 Benchmark]: CACSL2BoogieTranslator took 459.38 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 99.8 MB in the beginning and 162.1 MB in the end (delta: -62.3 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:44,335 INFO L168 Benchmark]: Boogie Preprocessor took 45.07 ms. Allocated memory is still 200.8 MB. Free memory was 162.1 MB in the beginning and 159.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:44,341 INFO L168 Benchmark]: RCFGBuilder took 357.67 ms. Allocated memory is still 200.8 MB. Free memory was 159.9 MB in the beginning and 142.9 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:44,342 INFO L168 Benchmark]: Sifa took 4133.04 ms. Allocated memory was 200.8 MB in the beginning and 294.1 MB in the end (delta: 93.3 MB). Free memory was 142.9 MB in the beginning and 265.2 MB in the end (delta: -122.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 06:34:44,344 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.21 ms. Allocated memory is still 143.7 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 459.38 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 99.8 MB in the beginning and 162.1 MB in the end (delta: -62.3 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.07 ms. Allocated memory is still 200.8 MB. Free memory was 162.1 MB in the beginning and 159.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 357.67 ms. Allocated memory is still 200.8 MB. Free memory was 159.9 MB in the beginning and 142.9 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. * Sifa took 4133.04 ms. Allocated memory was 200.8 MB in the beginning and 294.1 MB in the end (delta: 93.3 MB). Free memory was 142.9 MB in the beginning and 265.2 MB in the end (delta: -122.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 4088, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 47, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 33, TOOLS_POST_TIME[ms]: 3081, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 28, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 3, TOOLS_QUANTIFIERELIM_APPLICATIONS: 36, TOOLS_QUANTIFIERELIM_TIME[ms]: 3080, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1643, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 55, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 18, DOMAIN_JOIN_TIME[ms]: 825, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 7, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 33, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 5, DOMAIN_ISBOTTOM_TIME[ms]: 15, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3694, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3693, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 239, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 239, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 23, DAG_COMPRESSION_PROCESSED_NODES: 95, DAG_COMPRESSION_RETAINED_NODES: 39 - UnprovableResult [Line: 19]: 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 255#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...