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 IntervalDomain -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label07.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-05 16:06:02,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 16:06:02,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 16:06:02,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 16:06:02,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 16:06:02,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 16:06:02,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 16:06:02,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 16:06:02,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 16:06:02,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 16:06:02,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 16:06:02,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 16:06:02,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 16:06:02,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 16:06:02,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 16:06:02,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 16:06:02,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 16:06:02,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 16:06:02,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 16:06:02,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 16:06:02,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 16:06:02,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 16:06:02,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 16:06:02,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 16:06:02,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-05 16:06:02,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-05 16:06:02,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-05 16:06:02,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-05 16:06:02,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-05 16:06:02,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-05 16:06:02,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 16:06:02,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 16:06:02,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 16:06:02,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 16:06:02,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 16:06:02,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 16:06:02,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 16:06:02,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 16:06:02,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 16:06:02,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 16:06:02,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 16:06:02,152 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 [2019-09-05 16:06:02,167 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 16:06:02,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 16:06:02,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 16:06:02,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 16:06:02,169 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 16:06:02,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 16:06:02,169 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 16:06:02,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 16:06:02,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 16:06:02,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 16:06:02,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 16:06:02,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 16:06:02,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 16:06:02,171 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 16:06:02,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 16:06:02,171 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 16:06:02,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 16:06:02,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 16:06:02,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 16:06:02,172 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 16:06:02,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 16:06:02,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 16:06:02,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 16:06:02,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 16:06:02,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 16:06:02,173 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 16:06:02,173 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 16:06:02,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 16:06:02,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-05 16:06:02,209 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 16:06:02,221 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 16:06:02,225 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 16:06:02,227 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 16:06:02,227 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 16:06:02,228 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label07.c [2019-09-05 16:06:02,293 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c395cd64/d28a93d67310411a91259f38943f36fd/FLAG05ed114a6 [2019-09-05 16:06:02,917 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 16:06:02,918 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label07.c [2019-09-05 16:06:02,940 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c395cd64/d28a93d67310411a91259f38943f36fd/FLAG05ed114a6 [2019-09-05 16:06:03,155 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c395cd64/d28a93d67310411a91259f38943f36fd [2019-09-05 16:06:03,166 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 16:06:03,168 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 16:06:03,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 16:06:03,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 16:06:03,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 16:06:03,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 04:06:03" (1/1) ... [2019-09-05 16:06:03,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f94b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:06:03, skipping insertion in model container [2019-09-05 16:06:03,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 04:06:03" (1/1) ... [2019-09-05 16:06:03,184 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 16:06:03,236 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 16:06:03,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 16:06:03,782 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 16:06:03,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 16:06:03,967 INFO L192 MainTranslator]: Completed translation [2019-09-05 16:06:03,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:06:03 WrapperNode [2019-09-05 16:06:03,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 16:06:03,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 16:06:03,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 16:06:03,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 16:06:03,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:06:03" (1/1) ... [2019-09-05 16:06:03,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:06:03" (1/1) ... [2019-09-05 16:06:04,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:06:03" (1/1) ... [2019-09-05 16:06:04,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:06:03" (1/1) ... [2019-09-05 16:06:04,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:06:03" (1/1) ... [2019-09-05 16:06:04,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:06:03" (1/1) ... [2019-09-05 16:06:04,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:06:03" (1/1) ... [2019-09-05 16:06:04,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 16:06:04,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 16:06:04,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 16:06:04,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 16:06:04,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 04:06:03" (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 [2019-09-05 16:06:04,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 16:06:04,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 16:06:04,210 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-05 16:06:04,210 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 16:06:04,211 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-05 16:06:04,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 16:06:04,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 16:06:04,212 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-05 16:06:04,212 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 16:06:04,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 16:06:04,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 16:06:05,873 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 16:06:05,874 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 16:06:05,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 04:06:05 BoogieIcfgContainer [2019-09-05 16:06:05,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 16:06:05,876 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 16:06:05,876 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 16:06:05,877 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 16:06:05,878 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 04:06:05" (1/1) ... [2019-09-05 16:06:05,878 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-05 16:06:05,915 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 16:06:05,915 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 16:06:05,938 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 16:06:05,954 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 16:06:05,956 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 16:06:06,054 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 76 for LOIs [2019-09-05 16:06:16,448 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 74 for LOIs [2019-09-05 16:06:21,812 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 16:06:21,813 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 16:06:21,815 INFO L193 IcfgInterpreter]: Reachable states at location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 6644#(and (<= 21 ~u~0) (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 1 |calculate_output_#in~input|) (<= 6 ~f~0) (<= |calculate_output_#in~input| 6) (<= 1 ~a~0) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 1 ~a19~0) (<= 11 ~a28~0) (<= ~a28~0 11) (<= ~a17~0 7) (<= ~a19~0 1) (<= ~w~0 23) (<= 7 ~a17~0) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a11~0) (<= 1 ~a25~0) (<= 1 ~a21~0) (<= ~d~0 4) (<= |old(~a19~0)| 1) (<= |old(~a17~0)| 8) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= ~a21~0 1) (<= ~a25~0 1) (<= calculate_output_~input 6) (<= 0 |old(~a25~0)|) (<= ~f~0 6) (<= 7 |old(~a28~0)|) (<= ~a11~0 1) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 0 |old(~a11~0)|) (<= 24 ~x~0) (<= ~e~0 5)) [2019-09-05 16:06:21,827 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 16:06:21,827 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 16:06:21,830 INFO L168 Benchmark]: Toolchain (without parser) took 18661.51 ms. Allocated memory was 136.8 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 82.8 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. [2019-09-05 16:06:21,831 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.8 MB. Free memory was 102.9 MB in the beginning and 102.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 16:06:21,832 INFO L168 Benchmark]: CACSL2BoogieTranslator took 798.82 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 82.5 MB in the beginning and 164.8 MB in the end (delta: -82.3 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB. [2019-09-05 16:06:21,833 INFO L168 Benchmark]: Boogie Preprocessor took 145.99 ms. Allocated memory is still 200.8 MB. Free memory was 164.8 MB in the beginning and 159.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-09-05 16:06:21,834 INFO L168 Benchmark]: RCFGBuilder took 1760.07 ms. Allocated memory was 200.8 MB in the beginning and 218.6 MB in the end (delta: 17.8 MB). Free memory was 159.4 MB in the beginning and 177.8 MB in the end (delta: -18.4 MB). Peak memory consumption was 95.9 MB. Max. memory is 7.1 GB. [2019-09-05 16:06:21,835 INFO L168 Benchmark]: Sifa took 15951.52 ms. Allocated memory was 218.6 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 177.8 MB in the beginning and 1.2 GB in the end (delta: -986.5 MB). Peak memory consumption was 45.8 MB. Max. memory is 7.1 GB. [2019-09-05 16:06:21,839 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 136.8 MB. Free memory was 102.9 MB in the beginning and 102.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 798.82 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 82.5 MB in the beginning and 164.8 MB in the end (delta: -82.3 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 145.99 ms. Allocated memory is still 200.8 MB. Free memory was 164.8 MB in the beginning and 159.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1760.07 ms. Allocated memory was 200.8 MB in the beginning and 218.6 MB in the end (delta: 17.8 MB). Free memory was 159.4 MB in the beginning and 177.8 MB in the end (delta: -18.4 MB). Peak memory consumption was 95.9 MB. Max. memory is 7.1 GB. * Sifa took 15951.52 ms. Allocated memory was 218.6 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 177.8 MB in the beginning and 1.2 GB in the end (delta: -986.5 MB). Peak memory consumption was 45.8 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]: 15901, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 4861, DAG_INTERPRETER_EARLY_EXITS: 884, TOOLS_POST_APPLICATIONS: 4561, TOOLS_POST_TIME[ms]: 1233, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 56, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 12, TOOLS_QUANTIFIERELIM_TIME[ms]: 716, FLUID_QUERY_TIME[ms]: 78, FLUID_QUERIES: 4864, FLUID_YES_ANSWERS: 1395, DOMAIN_JOIN_APPLICATIONS: 674, DOMAIN_JOIN_TIME[ms]: 2327, DOMAIN_ALPHA_APPLICATIONS: 1395, DOMAIN_ALPHA_TIME[ms]: 8207, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 6, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 2310, DOMAIN_ISBOTTOM_TIME[ms]: 3163, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 10376, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10375, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10335, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 15, PATH_EXPR_TIME[ms]: 41, REGEX_TO_DAG_TIME[ms]: 11, DAG_COMPRESSION_TIME[ms]: 387, DAG_COMPRESSION_PROCESSED_NODES: 20165, DAG_COMPRESSION_RETAINED_NODES: 6732 - UnprovableResult [Line: 589]: 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 6644#(and (<= 21 ~u~0) (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 1 |calculate_output_#in~input|) (<= 6 ~f~0) (<= |calculate_output_#in~input| 6) (<= 1 ~a~0) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 1 ~a19~0) (<= 11 ~a28~0) (<= ~a28~0 11) (<= ~a17~0 7) (<= ~a19~0 1) (<= ~w~0 23) (<= 7 ~a17~0) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a11~0) (<= 1 ~a25~0) (<= 1 ~a21~0) (<= ~d~0 4) (<= |old(~a19~0)| 1) (<= |old(~a17~0)| 8) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= ~a21~0 1) (<= ~a25~0 1) (<= calculate_output_~input 6) (<= 0 |old(~a25~0)|) (<= ~f~0 6) (<= 7 |old(~a28~0)|) (<= ~a11~0 1) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 0 |old(~a11~0)|) (<= 24 ~x~0) (<= ~e~0 5)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...