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/eca-rers2012/Problem04_label50.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:55:17,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:55:17,552 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:55:17,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 00:55:17,571 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 00:55:17,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 00:55:17,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 00:55:17,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 00:55:17,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 00:55:17,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 00:55:17,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 00:55:17,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 00:55:17,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 00:55:17,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 00:55:17,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 00:55:17,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 00:55:17,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 00:55:17,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 00:55:17,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 00:55:17,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 00:55:17,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 00:55:17,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 00:55:17,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 00:55:17,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 00:55:17,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 00:55:17,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 00:55:17,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 00:55:17,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 00:55:17,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 00:55:17,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 00:55:17,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 00:55:17,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 00:55:17,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 00:55:17,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 00:55:17,630 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 00:55:17,630 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 00:55:17,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 00:55:17,631 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 00:55:17,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:55:17,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:55:17,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:55:17,634 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 [2019-10-14 00:55:17,659 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:55:17,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:55:17,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:55:17,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:55:17,661 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:55:17,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:55:17,662 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:55:17,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:55:17,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:55:17,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:55:17,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:55:17,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:55:17,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:55:17,663 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:55:17,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:55:17,663 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:55:17,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:55:17,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:55:17,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:55:17,664 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:55:17,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:55:17,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:55:17,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:55:17,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:55:17,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:55:17,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:55:17,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:55:17,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:55:17,666 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 [2019-10-14 00:55:17,962 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:55:17,976 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:55:17,979 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:55:17,981 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:55:17,981 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:55:17,982 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label50.c [2019-10-14 00:55:18,046 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e11c7fc7/ed73bf858606437a89e0e679dd00d6ce/FLAG666e59d70 [2019-10-14 00:55:18,874 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:55:18,875 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label50.c [2019-10-14 00:55:18,908 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e11c7fc7/ed73bf858606437a89e0e679dd00d6ce/FLAG666e59d70 [2019-10-14 00:55:19,402 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e11c7fc7/ed73bf858606437a89e0e679dd00d6ce [2019-10-14 00:55:19,413 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:55:19,415 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:55:19,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:55:19,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:55:19,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:55:19,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:55:19" (1/1) ... [2019-10-14 00:55:19,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47fbaaba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:55:19, skipping insertion in model container [2019-10-14 00:55:19,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:55:19" (1/1) ... [2019-10-14 00:55:19,433 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:55:19,603 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:55:21,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:55:21,145 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:55:21,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:55:21,880 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:55:21,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:55:21 WrapperNode [2019-10-14 00:55:21,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:55:21,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:55:21,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:55:21,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:55:21,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:55:21" (1/1) ... [2019-10-14 00:55:21,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:55:21" (1/1) ... [2019-10-14 00:55:21,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:55:21" (1/1) ... [2019-10-14 00:55:21,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:55:21" (1/1) ... [2019-10-14 00:55:22,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:55:21" (1/1) ... [2019-10-14 00:55:22,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:55:21" (1/1) ... [2019-10-14 00:55:22,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:55:21" (1/1) ... [2019-10-14 00:55:22,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:55:22,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:55:22,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:55:22,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:55:22,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:55:21" (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 [2019-10-14 00:55:22,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:55:22,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:55:22,255 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-14 00:55:22,255 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-10-14 00:55:22,255 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-10-14 00:55:22,255 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-10-14 00:55:22,256 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:55:22,257 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-14 00:55:22,257 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-10-14 00:55:22,257 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-10-14 00:55:22,258 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-10-14 00:55:22,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:55:22,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 00:55:22,259 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 00:55:22,259 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:55:22,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:55:22,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:55:27,723 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:55:27,724 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 00:55:27,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:55:27 BoogieIcfgContainer [2019-10-14 00:55:27,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:55:27,728 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 00:55:27,728 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 00:55:27,729 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 00:55:27,730 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:55:27" (1/1) ... [2019-10-14 00:55:27,731 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 [2019-10-14 00:55:27,784 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 00:55:27,785 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 00:55:27,805 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 00:55:27,817 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 00:55:27,819 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 00:55:28,164 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 103 for LOIs [2019-10-14 00:55:31,435 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 61 [2019-10-14 00:55:31,681 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 10035 conjuctions. This might take some time... [2019-10-14 00:55:31,817 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 61 [2019-10-14 00:55:32,010 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 10035 conjuctions. This might take some time... [2019-10-14 00:55:32,147 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 61 [2019-10-14 00:55:32,332 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 10035 conjuctions. This might take some time... [2019-10-14 00:55:39,412 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 90 for LOIs [2019-10-14 00:55:42,390 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output2 with input of size 76 for LOIs [2019-10-14 00:55:44,670 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output3 with input of size 105 for LOIs [2019-10-14 00:55:46,948 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output4 with input of size 109 for LOIs [2019-10-14 00:55:47,742 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 61 [2019-10-14 00:55:47,955 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 10035 conjuctions. This might take some time... [2019-10-14 00:55:48,104 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 61 [2019-10-14 00:55:48,311 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 10035 conjuctions. This might take some time... [2019-10-14 00:55:48,481 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-14 00:55:48,481 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-14 00:55:48,483 INFO L193 IcfgInterpreter]: Reachable states at location calculate_output4Err0ASSERT_VIOLATIONERROR_FUNCTION satisfy 63957#(and (<= 1 ~a3~0) (<= ~x~0 24) (<= 6 ~f~0) (<= 1 ~a~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 17 ~a28~0) (= 16 ~a4~0) (<= ~a~0 1) (<= ~d~0 4) (<= 1 calculate_output4_~input) (<= calculate_output4_~input 6) (<= 25 ~y~0) (= ~a26~0 17) (<= 16 ~a4~0) (<= ~a25~0 1) (<= ~f~0 6) (<= 1 |calculate_output4_#in~input|) (<= 20 ~a14~0) (= 1 ~a3~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 24 ~x~0) (<= ~b~0 2) (<= 21 ~u~0) (<= ~a26~0 17) (<= |calculate_output4_#in~input| 6) (= ~a14~0 20) (not (= 1 ~a7~0)) (= ~a25~0 1) (<= 23 ~w~0) (= ~a28~0 17) (<= ~w~0 23) (<= ~a28~0 17) (<= 17 ~a26~0) (<= ~a4~0 16) (<= 5 ~e~0) (= 1 ~a1~0) (<= 1 ~a25~0) (<= ~a3~0 1) (<= ~y~0 25) (<= 22 ~v~0) (<= 1 ~a1~0) (<= 2 ~b~0) (<= ~a14~0 20) (<= 4 ~d~0) (<= ~a1~0 1) (<= ~e~0 5)) [2019-10-14 00:55:48,503 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-14 00:55:48,503 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-14 00:55:48,506 INFO L168 Benchmark]: Toolchain (without parser) took 29090.22 ms. Allocated memory was 138.4 MB in the beginning and 1.0 GB in the end (delta: 899.7 MB). Free memory was 86.9 MB in the beginning and 385.2 MB in the end (delta: -298.3 MB). Peak memory consumption was 601.4 MB. Max. memory is 7.1 GB. [2019-10-14 00:55:48,507 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 00:55:48,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2465.41 ms. Allocated memory was 138.4 MB in the beginning and 255.9 MB in the end (delta: 117.4 MB). Free memory was 86.5 MB in the beginning and 177.4 MB in the end (delta: -90.9 MB). Peak memory consumption was 118.5 MB. Max. memory is 7.1 GB. [2019-10-14 00:55:48,509 INFO L168 Benchmark]: Boogie Preprocessor took 290.08 ms. Allocated memory is still 255.9 MB. Free memory was 177.4 MB in the beginning and 148.6 MB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. [2019-10-14 00:55:48,510 INFO L168 Benchmark]: RCFGBuilder took 5555.20 ms. Allocated memory was 255.9 MB in the beginning and 400.0 MB in the end (delta: 144.2 MB). Free memory was 148.6 MB in the beginning and 316.5 MB in the end (delta: -167.9 MB). Peak memory consumption was 246.7 MB. Max. memory is 7.1 GB. [2019-10-14 00:55:48,511 INFO L168 Benchmark]: Sifa took 20774.96 ms. Allocated memory was 400.0 MB in the beginning and 1.0 GB in the end (delta: 638.1 MB). Free memory was 316.5 MB in the beginning and 385.2 MB in the end (delta: -68.7 MB). Peak memory consumption was 569.3 MB. Max. memory is 7.1 GB. [2019-10-14 00:55:48,516 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2465.41 ms. Allocated memory was 138.4 MB in the beginning and 255.9 MB in the end (delta: 117.4 MB). Free memory was 86.5 MB in the beginning and 177.4 MB in the end (delta: -90.9 MB). Peak memory consumption was 118.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 290.08 ms. Allocated memory is still 255.9 MB. Free memory was 177.4 MB in the beginning and 148.6 MB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5555.20 ms. Allocated memory was 255.9 MB in the beginning and 400.0 MB in the end (delta: 144.2 MB). Free memory was 148.6 MB in the beginning and 316.5 MB in the end (delta: -167.9 MB). Peak memory consumption was 246.7 MB. Max. memory is 7.1 GB. * Sifa took 20774.96 ms. Allocated memory was 400.0 MB in the beginning and 1.0 GB in the end (delta: 638.1 MB). Free memory was 316.5 MB in the beginning and 385.2 MB in the end (delta: -68.7 MB). Peak memory consumption was 569.3 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]: 20699, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 2293, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 2281, TOOLS_POST_TIME[ms]: 866, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME[ms]: 75, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 37, TOOLS_QUANTIFIERELIM_APPLICATIONS: 2298, TOOLS_QUANTIFIERELIM_TIME[ms]: 607, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 24, FLUID_QUERY_TIME[ms]: 43, FLUID_QUERIES: 2295, FLUID_YES_ANSWERS: 1574, DOMAIN_JOIN_APPLICATIONS: 759, DOMAIN_JOIN_TIME[ms]: 5703, DOMAIN_ALPHA_APPLICATIONS: 1574, DOMAIN_ALPHA_TIME[ms]: 12278, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 84, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 751, DOMAIN_ISBOTTOM_TIME[ms]: 901, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 11227, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11226, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11080, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11079, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 13, PATH_EXPR_TIME[ms]: 86, REGEX_TO_DAG_TIME[ms]: 14, DAG_COMPRESSION_TIME[ms]: 313, DAG_COMPRESSION_PROCESSED_NODES: 37548, DAG_COMPRESSION_RETAINED_NODES: 1561 - UnprovableResult [Line: 4805]: 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 63957#(and (<= 1 ~a3~0) (<= ~x~0 24) (<= 6 ~f~0) (<= 1 ~a~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 17 ~a28~0) (= 16 ~a4~0) (<= ~a~0 1) (<= ~d~0 4) (<= 1 calculate_output4_~input) (<= calculate_output4_~input 6) (<= 25 ~y~0) (= ~a26~0 17) (<= 16 ~a4~0) (<= ~a25~0 1) (<= ~f~0 6) (<= 1 |calculate_output4_#in~input|) (<= 20 ~a14~0) (= 1 ~a3~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 24 ~x~0) (<= ~b~0 2) (<= 21 ~u~0) (<= ~a26~0 17) (<= |calculate_output4_#in~input| 6) (= ~a14~0 20) (not (= 1 ~a7~0)) (= ~a25~0 1) (<= 23 ~w~0) (= ~a28~0 17) (<= ~w~0 23) (<= ~a28~0 17) (<= 17 ~a26~0) (<= ~a4~0 16) (<= 5 ~e~0) (= 1 ~a1~0) (<= 1 ~a25~0) (<= ~a3~0 1) (<= ~y~0 25) (<= 22 ~v~0) (<= 1 ~a1~0) (<= 2 ~b~0) (<= ~a14~0 20) (<= 4 ~d~0) (<= ~a1~0 1) (<= ~e~0 5)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...