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/Problem01_label12.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 13:07:20,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 13:07:20,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 13:07:20,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 13:07:20,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 13:07:20,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 13:07:20,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 13:07:20,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 13:07:20,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 13:07:20,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 13:07:20,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 13:07:20,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 13:07:20,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 13:07:20,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 13:07:20,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 13:07:20,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 13:07:20,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 13:07:20,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 13:07:20,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 13:07:20,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 13:07:20,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 13:07:20,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 13:07:20,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 13:07:20,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 13:07:20,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 13:07:20,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 13:07:20,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 13:07:20,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 13:07:20,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 13:07:20,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 13:07:20,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 13:07:20,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 13:07:20,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 13:07:20,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 13:07:20,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 13:07:20,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 13:07:20,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 13:07:20,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 13:07:20,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 13:07:20,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 13:07:20,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 13:07:20,225 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 [2019-10-03 13:07:20,239 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 13:07:20,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 13:07:20,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-03 13:07:20,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-03 13:07:20,241 INFO L138 SettingsManager]: * Use SBE=true [2019-10-03 13:07:20,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 13:07:20,242 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 13:07:20,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-03 13:07:20,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 13:07:20,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 13:07:20,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 13:07:20,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 13:07:20,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 13:07:20,243 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 13:07:20,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 13:07:20,244 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-03 13:07:20,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 13:07:20,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 13:07:20,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 13:07:20,245 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-03 13:07:20,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-03 13:07:20,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 13:07:20,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 13:07:20,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 13:07:20,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-03 13:07:20,246 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-03 13:07:20,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 13:07:20,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-03 13:07:20,247 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 [2019-10-03 13:07:20,282 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 13:07:20,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 13:07:20,302 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 13:07:20,304 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 13:07:20,304 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 13:07:20,305 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label12.c [2019-10-03 13:07:20,375 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7e9aa149/6bea333bd5dc4d3bb329c0d4a9b62814/FLAG424422a81 [2019-10-03 13:07:20,964 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 13:07:20,965 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label12.c [2019-10-03 13:07:20,980 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7e9aa149/6bea333bd5dc4d3bb329c0d4a9b62814/FLAG424422a81 [2019-10-03 13:07:21,198 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7e9aa149/6bea333bd5dc4d3bb329c0d4a9b62814 [2019-10-03 13:07:21,208 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 13:07:21,209 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 13:07:21,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 13:07:21,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 13:07:21,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 13:07:21,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:07:21" (1/1) ... [2019-10-03 13:07:21,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e429d64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:07:21, skipping insertion in model container [2019-10-03 13:07:21,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:07:21" (1/1) ... [2019-10-03 13:07:21,226 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 13:07:21,282 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 13:07:21,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 13:07:21,695 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 13:07:21,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 13:07:21,945 INFO L192 MainTranslator]: Completed translation [2019-10-03 13:07:21,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:07:21 WrapperNode [2019-10-03 13:07:21,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 13:07:21,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 13:07:21,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 13:07:21,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 13:07:21,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:07:21" (1/1) ... [2019-10-03 13:07:21,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:07:21" (1/1) ... [2019-10-03 13:07:21,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:07:21" (1/1) ... [2019-10-03 13:07:21,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:07:21" (1/1) ... [2019-10-03 13:07:22,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:07:21" (1/1) ... [2019-10-03 13:07:22,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:07:21" (1/1) ... [2019-10-03 13:07:22,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:07:21" (1/1) ... [2019-10-03 13:07:22,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 13:07:22,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 13:07:22,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 13:07:22,077 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 13:07:22,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:07:21" (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 [2019-10-03 13:07:22,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 13:07:22,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 13:07:22,141 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-03 13:07:22,141 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 13:07:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-03 13:07:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 13:07:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 13:07:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-03 13:07:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 13:07:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 13:07:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 13:07:23,992 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 13:07:23,992 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 13:07:23,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:07:23 BoogieIcfgContainer [2019-10-03 13:07:23,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 13:07:23,995 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-03 13:07:23,995 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-03 13:07:23,996 INFO L275 PluginConnector]: Sifa initialized [2019-10-03 13:07:23,997 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:07:23" (1/1) ... [2019-10-03 13:07:23,998 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 [2019-10-03 13:07:24,024 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-03 13:07:24,024 INFO L169 IcfgInterpreter]: Building call graph [2019-10-03 13:07:24,033 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-03 13:07:24,043 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-03 13:07:24,044 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-03 13:07:24,235 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-10-03 13:07:24,435 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 94 for LOIs [2019-10-03 13:07:25,096 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 50 [2019-10-03 13:07:26,860 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 56026 conjuctions. This might take some time... [2019-10-03 13:07:31,405 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 50 [2019-10-03 13:07:32,212 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 56026 conjuctions. This might take some time... [2019-10-03 13:07:36,541 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 50 [2019-10-03 13:07:37,182 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 56026 conjuctions. This might take some time... [2019-10-03 13:07:41,793 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-10-03 13:07:41,815 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-10-03 13:07:42,978 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-10-03 13:07:43,080 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-10-03 13:07:43,171 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 124 for LOIs [2019-10-03 13:07:43,960 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 85 [2019-10-03 13:07:44,466 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 85 [2019-10-03 13:07:48,472 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 50 [2019-10-03 13:07:54,384 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 227520 conjuctions. This might take some time... [2019-10-03 13:09:57,757 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 50 [2019-10-03 13:10:03,040 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 227520 conjuctions. This might take some time... [2019-10-03 13:11:55,948 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-03 13:11:55,949 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-03 13:11:55,951 INFO L193 IcfgInterpreter]: Reachable states at location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 11110#(and (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 6 ~f~0) (<= 1 ~a7~0) (<= 1 ~a~0) (= ~a21~0 1) (<= 5 ~a16~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= ~a17~0 1) (<= ~a20~0 1) (<= ~a~0 1) (<= ~d~0 4) (<= 25 ~y~0) (<= ~a16~0 5) (<= ~a21~0 1) (<= 1 ~a17~0) (<= ~a8~0 14) (<= calculate_output_~input 6) (<= ~f~0 6) (<= ~v~0 22) (= ~a8~0 14) (<= ~u~0 21) (<= 26 ~z~0) (= ~a12~0 8) (<= 24 ~x~0) (= ~a16~0 5) (<= 1 ~a20~0) (<= ~b~0 2) (<= 21 ~u~0) (<= 1 |calculate_output_#in~input|) (<= ~a7~0 1) (<= ~a12~0 8) (<= |calculate_output_#in~input| 6) (<= 23 ~w~0) (<= 14 ~a8~0) (<= ~w~0 23) (<= 5 ~e~0) (<= 1 ~a21~0) (<= ~y~0 25) (<= 22 ~v~0) (= ~a17~0 1) (<= 8 ~a12~0) (= ~a7~0 1) (<= 2 ~b~0) (<= 4 ~d~0) (= ~a20~0 1) (<= ~e~0 5)) [2019-10-03 13:11:55,974 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-03 13:11:55,975 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-03 13:11:55,977 INFO L168 Benchmark]: Toolchain (without parser) took 274767.14 ms. Allocated memory was 132.1 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 86.6 MB in the beginning and 628.0 MB in the end (delta: -541.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2019-10-03 13:11:55,978 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 13:11:55,979 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.59 ms. Allocated memory was 132.1 MB in the beginning and 203.9 MB in the end (delta: 71.8 MB). Free memory was 86.4 MB in the beginning and 169.4 MB in the end (delta: -83.0 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. [2019-10-03 13:11:55,980 INFO L168 Benchmark]: Boogie Preprocessor took 130.04 ms. Allocated memory is still 203.9 MB. Free memory was 169.4 MB in the beginning and 164.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-10-03 13:11:55,981 INFO L168 Benchmark]: RCFGBuilder took 1918.08 ms. Allocated memory was 203.9 MB in the beginning and 226.0 MB in the end (delta: 22.0 MB). Free memory was 164.5 MB in the beginning and 76.4 MB in the end (delta: 88.0 MB). Peak memory consumption was 110.1 MB. Max. memory is 7.1 GB. [2019-10-03 13:11:55,982 INFO L168 Benchmark]: Sifa took 271979.73 ms. Allocated memory was 226.0 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 76.4 MB in the beginning and 628.0 MB in the end (delta: -551.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-10-03 13:11:55,986 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 735.59 ms. Allocated memory was 132.1 MB in the beginning and 203.9 MB in the end (delta: 71.8 MB). Free memory was 86.4 MB in the beginning and 169.4 MB in the end (delta: -83.0 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.04 ms. Allocated memory is still 203.9 MB. Free memory was 169.4 MB in the beginning and 164.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1918.08 ms. Allocated memory was 203.9 MB in the beginning and 226.0 MB in the end (delta: 22.0 MB). Free memory was 164.5 MB in the beginning and 76.4 MB in the end (delta: 88.0 MB). Peak memory consumption was 110.1 MB. Max. memory is 7.1 GB. * Sifa took 271979.73 ms. Allocated memory was 226.0 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 76.4 MB in the beginning and 628.0 MB in the end (delta: -551.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 271927, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 223, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 217, TOOLS_POST_TIME[ms]: 202, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 58, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 18, TOOLS_QUANTIFIERELIM_APPLICATIONS: 225, TOOLS_QUANTIFIERELIM_TIME[ms]: 206, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 27, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 225, FLUID_YES_ANSWERS: 133, DOMAIN_JOIN_APPLICATIONS: 72, DOMAIN_JOIN_TIME[ms]: 1174, DOMAIN_ALPHA_APPLICATIONS: 133, DOMAIN_ALPHA_TIME[ms]: 270109, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 86, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 67, DOMAIN_ISBOTTOM_TIME[ms]: 109, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 18715, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 18715, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 18522, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 18522, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 47, DAG_COMPRESSION_PROCESSED_NODES: 1256, DAG_COMPRESSION_RETAINED_NODES: 166 - UnprovableResult [Line: 536]: 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 11110#(and (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 6 ~f~0) (<= 1 ~a7~0) (<= 1 ~a~0) (= ~a21~0 1) (<= 5 ~a16~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= ~a17~0 1) (<= ~a20~0 1) (<= ~a~0 1) (<= ~d~0 4) (<= 25 ~y~0) (<= ~a16~0 5) (<= ~a21~0 1) (<= 1 ~a17~0) (<= ~a8~0 14) (<= calculate_output_~input 6) (<= ~f~0 6) (<= ~v~0 22) (= ~a8~0 14) (<= ~u~0 21) (<= 26 ~z~0) (= ~a12~0 8) (<= 24 ~x~0) (= ~a16~0 5) (<= 1 ~a20~0) (<= ~b~0 2) (<= 21 ~u~0) (<= 1 |calculate_output_#in~input|) (<= ~a7~0 1) (<= ~a12~0 8) (<= |calculate_output_#in~input| 6) (<= 23 ~w~0) (<= 14 ~a8~0) (<= ~w~0 23) (<= 5 ~e~0) (<= 1 ~a21~0) (<= ~y~0 25) (<= 22 ~v~0) (= ~a17~0 1) (<= 8 ~a12~0) (= ~a7~0 1) (<= 2 ~b~0) (<= 4 ~d~0) (= ~a20~0 1) (<= ~e~0 5)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...