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_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 13:24:05,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 13:24:05,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 13:24:05,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 13:24:05,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 13:24:05,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 13:24:05,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 13:24:05,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 13:24:05,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 13:24:05,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 13:24:05,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 13:24:05,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 13:24:05,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 13:24:05,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 13:24:05,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 13:24:05,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 13:24:05,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 13:24:05,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 13:24:05,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 13:24:05,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 13:24:05,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 13:24:05,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 13:24:05,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 13:24:05,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 13:24:05,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 13:24:05,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 13:24:05,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 13:24:05,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 13:24:05,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 13:24:05,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 13:24:05,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 13:24:05,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 13:24:05,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 13:24:05,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 13:24:05,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 13:24:05,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 13:24:05,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 13:24:05,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 13:24:05,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 13:24:05,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 13:24:05,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 13:24:05,105 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 13:24:05,120 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 13:24:05,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 13:24:05,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-03 13:24:05,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-03 13:24:05,122 INFO L138 SettingsManager]: * Use SBE=true [2019-10-03 13:24:05,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 13:24:05,123 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 13:24:05,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-03 13:24:05,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 13:24:05,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 13:24:05,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 13:24:05,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 13:24:05,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 13:24:05,124 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 13:24:05,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 13:24:05,124 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-03 13:24:05,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 13:24:05,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 13:24:05,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 13:24:05,125 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-03 13:24:05,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-03 13:24:05,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 13:24:05,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 13:24:05,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 13:24:05,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-03 13:24:05,127 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-03 13:24:05,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 13:24:05,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-03 13:24:05,128 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 13:24:05,178 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 13:24:05,191 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 13:24:05,194 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 13:24:05,196 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 13:24:05,197 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 13:24:05,197 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label21.c [2019-10-03 13:24:05,260 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55ca6e277/87d674be9552430a9f4072aeb044642a/FLAG4b8aa2056 [2019-10-03 13:24:06,052 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 13:24:06,053 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label21.c [2019-10-03 13:24:06,090 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55ca6e277/87d674be9552430a9f4072aeb044642a/FLAG4b8aa2056 [2019-10-03 13:24:06,120 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55ca6e277/87d674be9552430a9f4072aeb044642a [2019-10-03 13:24:06,134 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 13:24:06,136 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 13:24:06,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 13:24:06,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 13:24:06,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 13:24:06,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:24:06" (1/1) ... [2019-10-03 13:24:06,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@335d4cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:24:06, skipping insertion in model container [2019-10-03 13:24:06,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:24:06" (1/1) ... [2019-10-03 13:24:06,159 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 13:24:06,347 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 13:24:07,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 13:24:07,966 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 13:24:08,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 13:24:08,751 INFO L192 MainTranslator]: Completed translation [2019-10-03 13:24:08,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:24:08 WrapperNode [2019-10-03 13:24:08,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 13:24:08,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 13:24:08,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 13:24:08,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 13:24:08,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:24:08" (1/1) ... [2019-10-03 13:24:08,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:24:08" (1/1) ... [2019-10-03 13:24:08,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:24:08" (1/1) ... [2019-10-03 13:24:08,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:24:08" (1/1) ... [2019-10-03 13:24:08,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:24:08" (1/1) ... [2019-10-03 13:24:08,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:24:08" (1/1) ... [2019-10-03 13:24:09,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:24:08" (1/1) ... [2019-10-03 13:24:09,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 13:24:09,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 13:24:09,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 13:24:09,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 13:24:09,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:24:08" (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 13:24:09,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 13:24:09,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 13:24:09,124 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-03 13:24:09,124 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-10-03 13:24:09,125 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-10-03 13:24:09,125 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-10-03 13:24:09,125 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 13:24:09,128 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-03 13:24:09,128 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-10-03 13:24:09,128 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-10-03 13:24:09,128 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-10-03 13:24:09,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 13:24:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 13:24:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-03 13:24:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 13:24:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 13:24:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 13:24:14,661 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 13:24:14,661 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 13:24:14,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:24:14 BoogieIcfgContainer [2019-10-03 13:24:14,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 13:24:14,664 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-03 13:24:14,664 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-03 13:24:14,665 INFO L275 PluginConnector]: Sifa initialized [2019-10-03 13:24:14,666 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:24:14" (1/1) ... [2019-10-03 13:24:14,667 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 13:24:14,696 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-03 13:24:14,697 INFO L169 IcfgInterpreter]: Building call graph [2019-10-03 13:24:14,714 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-03 13:24:14,725 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-03 13:24:14,727 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-03 13:24:14,917 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-10-03 13:24:15,056 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 103 for LOIs [2019-10-03 13:24:18,897 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 41 [2019-10-03 13:24:19,051 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8519 conjuctions. This might take some time... [2019-10-03 13:24:19,168 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 41 [2019-10-03 13:24:19,311 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8519 conjuctions. This might take some time... [2019-10-03 13:24:19,388 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 41 [2019-10-03 13:24:19,478 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8519 conjuctions. This might take some time... [2019-10-03 13:24:19,600 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 19 [2019-10-03 13:24:19,630 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 20 [2019-10-03 13:24:27,245 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 90 for LOIs [2019-10-03 13:24:31,075 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output2 with input of size 76 for LOIs [2019-10-03 13:24:34,376 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output3 with input of size 105 for LOIs [2019-10-03 13:24:36,886 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output4 with input of size 109 for LOIs [2019-10-03 13:24:37,865 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 41 [2019-10-03 13:24:38,065 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8519 conjuctions. This might take some time... [2019-10-03 13:24:38,421 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 41 [2019-10-03 13:24:38,655 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8519 conjuctions. This might take some time... [2019-10-03 13:24:39,035 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-03 13:24:39,036 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-03 13:24:39,038 INFO L193 IcfgInterpreter]: Reachable states at location calculate_output4Err0ASSERT_VIOLATIONERROR_FUNCTION satisfy 64102#(and (<= 1 ~a3~0) (= ~a28~0 16) (<= ~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) (<= 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) (<= ~a28~0 16) (<= 5 ~e~0) (<= 16 ~a28~0) (= 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) (<= ~a1~0 1) (<= ~e~0 5)) [2019-10-03 13:24:39,053 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-03 13:24:39,054 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-03 13:24:39,056 INFO L168 Benchmark]: Toolchain (without parser) took 32919.57 ms. Allocated memory was 137.9 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 70.2 MB in the beginning and 871.2 MB in the end (delta: -800.9 MB). Peak memory consumption was 213.6 MB. Max. memory is 7.1 GB. [2019-10-03 13:24:39,057 INFO L168 Benchmark]: CDTParser took 0.21 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 13:24:39,058 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2612.01 ms. Allocated memory was 137.9 MB in the beginning and 278.4 MB in the end (delta: 140.5 MB). Free memory was 70.0 MB in the beginning and 192.4 MB in the end (delta: -122.3 MB). Peak memory consumption was 104.3 MB. Max. memory is 7.1 GB. [2019-10-03 13:24:39,059 INFO L168 Benchmark]: Boogie Preprocessor took 289.60 ms. Allocated memory is still 278.4 MB. Free memory was 192.4 MB in the beginning and 163.2 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. [2019-10-03 13:24:39,060 INFO L168 Benchmark]: RCFGBuilder took 5620.77 ms. Allocated memory was 278.4 MB in the beginning and 489.2 MB in the end (delta: 210.8 MB). Free memory was 163.2 MB in the beginning and 363.8 MB in the end (delta: -200.6 MB). Peak memory consumption was 245.1 MB. Max. memory is 7.1 GB. [2019-10-03 13:24:39,061 INFO L168 Benchmark]: Sifa took 24389.72 ms. Allocated memory was 489.2 MB in the beginning and 1.2 GB in the end (delta: 663.2 MB). Free memory was 363.8 MB in the beginning and 871.2 MB in the end (delta: -507.4 MB). Peak memory consumption was 155.8 MB. Max. memory is 7.1 GB. [2019-10-03 13:24:39,066 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 2612.01 ms. Allocated memory was 137.9 MB in the beginning and 278.4 MB in the end (delta: 140.5 MB). Free memory was 70.0 MB in the beginning and 192.4 MB in the end (delta: -122.3 MB). Peak memory consumption was 104.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 289.60 ms. Allocated memory is still 278.4 MB. Free memory was 192.4 MB in the beginning and 163.2 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5620.77 ms. Allocated memory was 278.4 MB in the beginning and 489.2 MB in the end (delta: 210.8 MB). Free memory was 163.2 MB in the beginning and 363.8 MB in the end (delta: -200.6 MB). Peak memory consumption was 245.1 MB. Max. memory is 7.1 GB. * Sifa took 24389.72 ms. Allocated memory was 489.2 MB in the beginning and 1.2 GB in the end (delta: 663.2 MB). Free memory was 363.8 MB in the beginning and 871.2 MB in the end (delta: -507.4 MB). Peak memory consumption was 155.8 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]: 24342, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 2293, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 2281, TOOLS_POST_TIME[ms]: 951, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME[ms]: 62, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 25, TOOLS_QUANTIFIERELIM_APPLICATIONS: 2298, TOOLS_QUANTIFIERELIM_TIME[ms]: 643, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 21, FLUID_QUERY_TIME[ms]: 49, FLUID_QUERIES: 2295, FLUID_YES_ANSWERS: 1574, DOMAIN_JOIN_APPLICATIONS: 759, DOMAIN_JOIN_TIME[ms]: 6121, DOMAIN_ALPHA_APPLICATIONS: 1574, DOMAIN_ALPHA_TIME[ms]: 15017, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 80, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 751, DOMAIN_ISBOTTOM_TIME[ms]: 1355, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 12175, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12175, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12048, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12047, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 12, PATH_EXPR_TIME[ms]: 78, REGEX_TO_DAG_TIME[ms]: 16, DAG_COMPRESSION_TIME[ms]: 285, DAG_COMPRESSION_PROCESSED_NODES: 37545, DAG_COMPRESSION_RETAINED_NODES: 1561 - UnprovableResult [Line: 4745]: 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 64102#(and (<= 1 ~a3~0) (= ~a28~0 16) (<= ~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) (<= 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) (<= ~a28~0 16) (<= 5 ~e~0) (<= 16 ~a28~0) (= 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) (<= ~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...