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_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 13:23:53,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 13:23:53,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 13:23:53,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 13:23:53,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 13:23:53,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 13:23:53,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 13:23:53,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 13:23:53,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 13:23:53,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 13:23:53,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 13:23:53,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 13:23:53,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 13:23:53,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 13:23:53,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 13:23:53,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 13:23:53,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 13:23:53,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 13:23:53,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 13:23:53,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 13:23:53,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 13:23:53,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 13:23:53,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 13:23:53,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 13:23:53,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 13:23:53,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 13:23:53,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 13:23:53,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 13:23:53,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 13:23:53,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 13:23:53,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 13:23:53,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 13:23:53,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 13:23:53,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 13:23:53,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 13:23:53,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 13:23:53,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 13:23:53,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 13:23:53,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 13:23:53,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 13:23:53,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 13:23:53,984 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 13:23:54,001 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 13:23:54,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 13:23:54,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-03 13:23:54,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-03 13:23:54,003 INFO L138 SettingsManager]: * Use SBE=true [2019-10-03 13:23:54,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 13:23:54,004 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 13:23:54,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-03 13:23:54,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 13:23:54,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 13:23:54,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 13:23:54,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 13:23:54,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 13:23:54,006 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 13:23:54,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 13:23:54,007 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-03 13:23:54,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 13:23:54,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 13:23:54,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 13:23:54,008 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-03 13:23:54,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-03 13:23:54,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 13:23:54,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 13:23:54,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 13:23:54,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-03 13:23:54,010 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-03 13:23:54,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 13:23:54,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-03 13:23:54,011 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 13:23:54,043 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 13:23:54,056 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 13:23:54,059 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 13:23:54,061 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 13:23:54,061 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 13:23:54,062 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label03.c [2019-10-03 13:23:54,123 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f5ff9832/5acfce3053bb41a185b6766e754b5da9/FLAG6dd302935 [2019-10-03 13:23:54,944 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 13:23:54,947 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label03.c [2019-10-03 13:23:54,984 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f5ff9832/5acfce3053bb41a185b6766e754b5da9/FLAG6dd302935 [2019-10-03 13:23:55,476 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f5ff9832/5acfce3053bb41a185b6766e754b5da9 [2019-10-03 13:23:55,488 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 13:23:55,489 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 13:23:55,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 13:23:55,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 13:23:55,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 13:23:55,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:23:55" (1/1) ... [2019-10-03 13:23:55,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35da1448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:55, skipping insertion in model container [2019-10-03 13:23:55,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:23:55" (1/1) ... [2019-10-03 13:23:55,506 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 13:23:55,660 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 13:23:57,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 13:23:57,245 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 13:23:57,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 13:23:57,952 INFO L192 MainTranslator]: Completed translation [2019-10-03 13:23:57,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:57 WrapperNode [2019-10-03 13:23:57,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 13:23:57,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 13:23:57,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 13:23:57,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 13:23:57,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:57" (1/1) ... [2019-10-03 13:23:57,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:57" (1/1) ... [2019-10-03 13:23:58,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:57" (1/1) ... [2019-10-03 13:23:58,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:57" (1/1) ... [2019-10-03 13:23:58,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:57" (1/1) ... [2019-10-03 13:23:58,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:57" (1/1) ... [2019-10-03 13:23:58,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:57" (1/1) ... [2019-10-03 13:23:58,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 13:23:58,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 13:23:58,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 13:23:58,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 13:23:58,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:23:57" (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 13:23:58,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 13:23:58,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 13:23:58,352 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-03 13:23:58,352 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-10-03 13:23:58,353 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-10-03 13:23:58,353 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-10-03 13:23:58,354 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 13:23:58,356 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-03 13:23:58,356 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-10-03 13:23:58,356 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-10-03 13:23:58,357 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-10-03 13:23:58,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 13:23:58,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 13:23:58,359 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-03 13:23:58,359 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 13:23:58,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 13:23:58,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 13:24:04,080 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 13:24:04,081 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 13:24:04,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:24:04 BoogieIcfgContainer [2019-10-03 13:24:04,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 13:24:04,085 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-03 13:24:04,086 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-03 13:24:04,086 INFO L275 PluginConnector]: Sifa initialized [2019-10-03 13:24:04,088 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:24:04" (1/1) ... [2019-10-03 13:24:04,090 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 13:24:04,133 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-03 13:24:04,137 INFO L169 IcfgInterpreter]: Building call graph [2019-10-03 13:24:04,158 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-03 13:24:04,170 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-03 13:24:04,172 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-03 13:24:04,363 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-10-03 13:24:04,513 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 103 for LOIs [2019-10-03 13:24:08,794 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 30 [2019-10-03 13:24:08,883 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7517 conjuctions. This might take some time... [2019-10-03 13:24:09,043 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 30 [2019-10-03 13:24:09,131 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7517 conjuctions. This might take some time... [2019-10-03 13:24:09,242 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 30 [2019-10-03 13:24:09,318 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7517 conjuctions. This might take some time... [2019-10-03 13:24:09,526 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 24 [2019-10-03 13:24:09,579 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 31 [2019-10-03 13:24:17,031 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 90 for LOIs [2019-10-03 13:24:20,368 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output2 with input of size 76 for LOIs [2019-10-03 13:24:23,822 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output3 with input of size 105 for LOIs [2019-10-03 13:24:26,533 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output4 with input of size 109 for LOIs [2019-10-03 13:24:27,598 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 30 [2019-10-03 13:24:27,708 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7517 conjuctions. This might take some time... [2019-10-03 13:24:27,937 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 30 [2019-10-03 13:24:28,042 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7517 conjuctions. This might take some time... [2019-10-03 13:24:28,318 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-03 13:24:28,319 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-03 13:24:28,321 INFO L193 IcfgInterpreter]: Reachable states at location calculate_output4Err0ASSERT_VIOLATIONERROR_FUNCTION satisfy 64111#(and (<= 1 ~a3~0) (<= ~x~0 24) (<= ~a26~0 18) (<= 6 ~f~0) (<= 1 ~a~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (= 16 ~a4~0) (<= ~a~0 1) (<= ~d~0 4) (<= 15 ~a28~0) (<= ~a28~0 15) (<= 1 calculate_output4_~input) (<= calculate_output4_~input 6) (<= 25 ~y~0) (<= 16 ~a4~0) (<= ~a25~0 1) (<= ~f~0 6) (<= 1 |calculate_output4_#in~input|) (= 1 ~a3~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 24 ~x~0) (<= 18 ~a14~0) (<= ~a14~0 18) (= ~a14~0 18) (<= ~b~0 2) (<= 21 ~u~0) (<= |calculate_output4_#in~input| 6) (= ~a26~0 18) (not (= 1 ~a7~0)) (= ~a25~0 1) (<= 23 ~w~0) (<= ~w~0 23) (<= ~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) (<= 4 ~d~0) (<= 18 ~a26~0) (= ~a28~0 15) (<= ~a1~0 1) (<= ~e~0 5)) [2019-10-03 13:24:28,335 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-03 13:24:28,336 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-03 13:24:28,338 INFO L168 Benchmark]: Toolchain (without parser) took 32848.23 ms. Allocated memory was 137.9 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 69.6 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 37.9 MB. Max. memory is 7.1 GB. [2019-10-03 13:24:28,341 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 13:24:28,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2463.80 ms. Allocated memory was 137.9 MB in the beginning and 276.8 MB in the end (delta: 138.9 MB). Free memory was 69.4 MB in the beginning and 189.4 MB in the end (delta: -120.0 MB). Peak memory consumption was 104.0 MB. Max. memory is 7.1 GB. [2019-10-03 13:24:28,343 INFO L168 Benchmark]: Boogie Preprocessor took 316.92 ms. Allocated memory is still 276.8 MB. Free memory was 189.4 MB in the beginning and 160.7 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. [2019-10-03 13:24:28,345 INFO L168 Benchmark]: RCFGBuilder took 5813.94 ms. Allocated memory was 276.8 MB in the beginning and 473.4 MB in the end (delta: 196.6 MB). Free memory was 160.7 MB in the beginning and 333.9 MB in the end (delta: -173.2 MB). Peak memory consumption was 234.2 MB. Max. memory is 7.1 GB. [2019-10-03 13:24:28,352 INFO L168 Benchmark]: Sifa took 24250.19 ms. Allocated memory was 473.4 MB in the beginning and 1.2 GB in the end (delta: 713.6 MB). Free memory was 333.9 MB in the beginning and 1.1 GB in the end (delta: -746.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 13:24:28,363 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2463.80 ms. Allocated memory was 137.9 MB in the beginning and 276.8 MB in the end (delta: 138.9 MB). Free memory was 69.4 MB in the beginning and 189.4 MB in the end (delta: -120.0 MB). Peak memory consumption was 104.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 316.92 ms. Allocated memory is still 276.8 MB. Free memory was 189.4 MB in the beginning and 160.7 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5813.94 ms. Allocated memory was 276.8 MB in the beginning and 473.4 MB in the end (delta: 196.6 MB). Free memory was 160.7 MB in the beginning and 333.9 MB in the end (delta: -173.2 MB). Peak memory consumption was 234.2 MB. Max. memory is 7.1 GB. * Sifa took 24250.19 ms. Allocated memory was 473.4 MB in the beginning and 1.2 GB in the end (delta: 713.6 MB). Free memory was 333.9 MB in the beginning and 1.1 GB in the end (delta: -746.9 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]: 24188, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 2293, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 2281, TOOLS_POST_TIME[ms]: 874, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME[ms]: 80, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 25, TOOLS_QUANTIFIERELIM_APPLICATIONS: 2298, TOOLS_QUANTIFIERELIM_TIME[ms]: 574, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 23, FLUID_QUERY_TIME[ms]: 50, FLUID_QUERIES: 2295, FLUID_YES_ANSWERS: 1574, DOMAIN_JOIN_APPLICATIONS: 759, DOMAIN_JOIN_TIME[ms]: 6124, DOMAIN_ALPHA_APPLICATIONS: 1574, DOMAIN_ALPHA_TIME[ms]: 14743, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 78, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 751, DOMAIN_ISBOTTOM_TIME[ms]: 952, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 12493, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12492, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12413, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12412, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 10, PATH_EXPR_TIME[ms]: 142, REGEX_TO_DAG_TIME[ms]: 429, DAG_COMPRESSION_TIME[ms]: 357, DAG_COMPRESSION_PROCESSED_NODES: 37545, DAG_COMPRESSION_RETAINED_NODES: 1561 - UnprovableResult [Line: 4712]: 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 64111#(and (<= 1 ~a3~0) (<= ~x~0 24) (<= ~a26~0 18) (<= 6 ~f~0) (<= 1 ~a~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (= 16 ~a4~0) (<= ~a~0 1) (<= ~d~0 4) (<= 15 ~a28~0) (<= ~a28~0 15) (<= 1 calculate_output4_~input) (<= calculate_output4_~input 6) (<= 25 ~y~0) (<= 16 ~a4~0) (<= ~a25~0 1) (<= ~f~0 6) (<= 1 |calculate_output4_#in~input|) (= 1 ~a3~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 24 ~x~0) (<= 18 ~a14~0) (<= ~a14~0 18) (= ~a14~0 18) (<= ~b~0 2) (<= 21 ~u~0) (<= |calculate_output4_#in~input| 6) (= ~a26~0 18) (not (= 1 ~a7~0)) (= ~a25~0 1) (<= 23 ~w~0) (<= ~w~0 23) (<= ~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) (<= 4 ~d~0) (<= 18 ~a26~0) (= ~a28~0 15) (<= ~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...