/usr/bin/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-fb55353 [2019-11-07 10:10:50,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:10:50,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:10:50,323 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:10:50,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:10:50,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:10:50,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:10:50,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:10:50,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:10:50,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:10:50,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:10:50,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:10:50,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:10:50,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:10:50,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:10:50,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:10:50,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:10:50,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:10:50,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:10:50,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:10:50,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:10:50,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:10:50,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:10:50,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:10:50,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:10:50,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:10:50,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:10:50,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:10:50,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:10:50,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:10:50,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:10:50,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:10:50,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:10:50,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:10:50,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:10:50,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:10:50,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:10:50,387 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:10:50,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:10:50,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:10:50,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:10:50,390 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 [2019-11-07 10:10:50,403 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:10:50,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:10:50,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:10:50,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:10:50,405 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:10:50,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:10:50,406 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:10:50,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:10:50,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:10:50,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:10:50,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:10:50,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:10:50,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:10:50,407 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:10:50,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:10:50,407 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:10:50,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:10:50,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:10:50,408 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:10:50,408 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:10:50,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:10:50,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:10:50,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:10:50,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:10:50,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:10:50,412 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:10:50,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:10:50,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:10:50,412 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 [2019-11-07 10:10:50,729 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:10:50,753 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:10:50,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:10:50,759 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:10:50,759 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:10:50,760 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/heavy-2.c [2019-11-07 10:10:50,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/770b05e99/2aa866f0af13457eadf8008a0d6acf84/FLAGc466a6ab7 [2019-11-07 10:10:51,274 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:10:51,275 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/heavy-2.c [2019-11-07 10:10:51,281 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/770b05e99/2aa866f0af13457eadf8008a0d6acf84/FLAGc466a6ab7 [2019-11-07 10:10:51,298 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/770b05e99/2aa866f0af13457eadf8008a0d6acf84 [2019-11-07 10:10:51,308 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:10:51,309 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:10:51,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:10:51,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:10:51,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:10:51,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:10:51" (1/1) ... [2019-11-07 10:10:51,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ab51af6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:51, skipping insertion in model container [2019-11-07 10:10:51,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:10:51" (1/1) ... [2019-11-07 10:10:51,326 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:10:51,342 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:10:51,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:10:51,584 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:10:51,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:10:51,733 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:10:51,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:51 WrapperNode [2019-11-07 10:10:51,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:10:51,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:10:51,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:10:51,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:10:51,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:51" (1/1) ... [2019-11-07 10:10:51,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:51" (1/1) ... [2019-11-07 10:10:51,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:51" (1/1) ... [2019-11-07 10:10:51,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:51" (1/1) ... [2019-11-07 10:10:51,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:51" (1/1) ... [2019-11-07 10:10:51,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:51" (1/1) ... [2019-11-07 10:10:51,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:51" (1/1) ... [2019-11-07 10:10:51,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:10:51,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:10:51,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:10:51,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:10:51,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:51" (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 [2019-11-07 10:10:51,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:10:51,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:10:51,830 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:10:51,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:10:51,831 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:10:51,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:10:51,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:10:51,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:10:51,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 10:10:51,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-07 10:10:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:10:51,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:10:52,157 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:10:52,158 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-11-07 10:10:52,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:10:52 BoogieIcfgContainer [2019-11-07 10:10:52,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:10:52,160 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:10:52,160 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:10:52,160 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:10:52,161 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:10:52" (1/1) ... [2019-11-07 10:10:52,162 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 [2019-11-07 10:10:52,187 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:10:52,187 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:10:52,195 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:10:52,203 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:10:52,205 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:10:52,411 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2019-11-07 10:10:52,740 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2019-11-07 10:10:53,387 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:53,425 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:53,558 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:53,596 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:53,633 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:53,663 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:53,693 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:53,723 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:53,756 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:53,789 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:53,820 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:53,939 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:53,966 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:53,991 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:54,017 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:54,042 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:54,066 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:54,091 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:54,116 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:54,196 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:54,220 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:54,244 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:54,269 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:54,294 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:54,317 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:54,340 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:54,367 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:54,389 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:54,733 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2019-11-07 10:10:55,059 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:55,074 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:55,223 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:55,236 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:55,325 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:55,340 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:55,385 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:55,398 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:55,506 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:55,517 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:55,540 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:55,551 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:55,789 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:55,801 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:55,825 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:55,884 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:10:55,949 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:10:55,963 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:10:55,963 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:10:55,965 INFO L168 Benchmark]: Toolchain (without parser) took 4655.24 ms. Allocated memory was 135.8 MB in the beginning and 291.0 MB in the end (delta: 155.2 MB). Free memory was 100.2 MB in the beginning and 152.2 MB in the end (delta: -52.0 MB). Peak memory consumption was 103.2 MB. Max. memory is 7.1 GB. [2019-11-07 10:10:55,965 INFO L168 Benchmark]: CDTParser took 1.27 ms. Allocated memory is still 135.8 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 10:10:55,966 INFO L168 Benchmark]: CACSL2BoogieTranslator took 423.58 ms. Allocated memory was 135.8 MB in the beginning and 200.3 MB in the end (delta: 64.5 MB). Free memory was 99.8 MB in the beginning and 161.8 MB in the end (delta: -62.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-11-07 10:10:55,967 INFO L168 Benchmark]: Boogie Preprocessor took 40.85 ms. Allocated memory is still 200.3 MB. Free memory was 161.8 MB in the beginning and 159.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-11-07 10:10:55,968 INFO L168 Benchmark]: RCFGBuilder took 383.80 ms. Allocated memory is still 200.3 MB. Free memory was 159.6 MB in the beginning and 142.2 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2019-11-07 10:10:55,969 INFO L168 Benchmark]: Sifa took 3803.15 ms. Allocated memory was 200.3 MB in the beginning and 291.0 MB in the end (delta: 90.7 MB). Free memory was 142.2 MB in the beginning and 152.2 MB in the end (delta: -10.1 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:10:55,972 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27 ms. Allocated memory is still 135.8 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 423.58 ms. Allocated memory was 135.8 MB in the beginning and 200.3 MB in the end (delta: 64.5 MB). Free memory was 99.8 MB in the beginning and 161.8 MB in the end (delta: -62.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.85 ms. Allocated memory is still 200.3 MB. Free memory was 161.8 MB in the beginning and 159.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 383.80 ms. Allocated memory is still 200.3 MB. Free memory was 159.6 MB in the beginning and 142.2 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. * Sifa took 3803.15 ms. Allocated memory was 200.3 MB in the beginning and 291.0 MB in the end (delta: 90.7 MB). Free memory was 142.2 MB in the beginning and 152.2 MB in the end (delta: -10.1 MB). Peak memory consumption was 80.6 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]: 3763, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 5, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 28, TOOLS_POST_TIME[ms]: 3036, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 17, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 3, TOOLS_QUANTIFIERELIM_APPLICATIONS: 31, TOOLS_QUANTIFIERELIM_TIME[ms]: 3027, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1635, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 57, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 559, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 3, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 47, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 5, DOMAIN_ISBOTTOM_TIME[ms]: 18, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3506, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3506, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 157, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 156, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 14, DAG_COMPRESSION_PROCESSED_NODES: 97, DAG_COMPRESSION_RETAINED_NODES: 35 - 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 131#(and (not (< (mod main_~i~0 4294967296) 1048576)) (not (= 1 (mod main_~a~0 4294967296)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...