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/Problem04_label02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-05 17:04:47,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 17:04:47,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 17:04:47,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 17:04:47,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 17:04:47,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 17:04:47,299 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 17:04:47,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 17:04:47,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 17:04:47,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 17:04:47,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 17:04:47,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 17:04:47,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 17:04:47,307 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 17:04:47,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 17:04:47,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 17:04:47,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 17:04:47,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 17:04:47,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 17:04:47,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 17:04:47,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 17:04:47,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 17:04:47,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 17:04:47,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 17:04:47,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-05 17:04:47,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-05 17:04:47,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-05 17:04:47,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-05 17:04:47,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-05 17:04:47,325 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-05 17:04:47,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 17:04:47,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 17:04:47,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 17:04:47,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 17:04:47,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 17:04:47,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 17:04:47,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 17:04:47,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 17:04:47,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 17:04:47,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 17:04:47,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 17:04:47,333 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 17:04:47,348 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 17:04:47,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 17:04:47,350 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 17:04:47,350 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 17:04:47,350 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 17:04:47,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 17:04:47,351 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 17:04:47,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 17:04:47,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 17:04:47,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 17:04:47,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 17:04:47,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 17:04:47,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 17:04:47,352 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 17:04:47,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 17:04:47,352 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 17:04:47,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 17:04:47,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 17:04:47,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 17:04:47,353 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 17:04:47,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 17:04:47,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 17:04:47,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 17:04:47,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 17:04:47,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 17:04:47,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 17:04:47,355 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 17:04:47,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 17:04:47,355 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 17:04:47,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 17:04:47,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 17:04:47,402 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 17:04:47,404 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 17:04:47,404 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 17:04:47,405 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label02.c [2019-09-05 17:04:47,469 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e3fb50a9/cf4e667e8e334d60967c4179271a02b8/FLAG448791005 [2019-09-05 17:04:48,213 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 17:04:48,215 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label02.c [2019-09-05 17:04:48,251 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e3fb50a9/cf4e667e8e334d60967c4179271a02b8/FLAG448791005 [2019-09-05 17:04:48,308 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e3fb50a9/cf4e667e8e334d60967c4179271a02b8 [2019-09-05 17:04:48,319 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 17:04:48,321 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 17:04:48,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 17:04:48,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 17:04:48,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 17:04:48,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 05:04:48" (1/1) ... [2019-09-05 17:04:48,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@335c662c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:04:48, skipping insertion in model container [2019-09-05 17:04:48,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 05:04:48" (1/1) ... [2019-09-05 17:04:48,338 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 17:04:48,499 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 17:04:49,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 17:04:49,985 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 17:04:50,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 17:04:50,782 INFO L192 MainTranslator]: Completed translation [2019-09-05 17:04:50,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:04:50 WrapperNode [2019-09-05 17:04:50,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 17:04:50,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 17:04:50,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 17:04:50,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 17:04:50,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:04:50" (1/1) ... [2019-09-05 17:04:50,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:04:50" (1/1) ... [2019-09-05 17:04:50,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:04:50" (1/1) ... [2019-09-05 17:04:50,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:04:50" (1/1) ... [2019-09-05 17:04:50,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:04:50" (1/1) ... [2019-09-05 17:04:51,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:04:50" (1/1) ... [2019-09-05 17:04:51,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:04:50" (1/1) ... [2019-09-05 17:04:51,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 17:04:51,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 17:04:51,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 17:04:51,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 17:04:51,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:04:50" (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 17:04:51,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 17:04:51,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 17:04:51,140 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-05 17:04:51,140 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-05 17:04:51,140 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-09-05 17:04:51,141 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-09-05 17:04:51,141 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 17:04:51,141 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-05 17:04:51,141 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-05 17:04:51,141 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-09-05 17:04:51,142 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-09-05 17:04:51,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 17:04:51,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 17:04:51,143 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-05 17:04:51,144 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 17:04:51,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 17:04:51,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 17:04:55,771 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 17:04:55,772 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 17:04:55,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 05:04:55 BoogieIcfgContainer [2019-09-05 17:04:55,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 17:04:55,775 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 17:04:55,775 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 17:04:55,775 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 17:04:55,776 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 05:04:55" (1/1) ... [2019-09-05 17:04:55,777 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 17:04:55,803 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 17:04:55,803 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 17:04:55,827 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 17:04:55,843 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 17:04:55,845 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 17:04:55,959 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 89 for LOIs [2019-09-05 17:05:56,389 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 80 for LOIs [2019-09-05 17:05:59,052 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output2 with input of size 87 for LOIs [2019-09-05 17:06:01,903 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output3 with input of size 87 for LOIs [2019-09-05 17:06:05,685 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output4 with input of size 87 for LOIs [2019-09-05 17:06:07,395 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 17:06:07,395 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 17:06:07,398 INFO L193 IcfgInterpreter]: Reachable states at location calculate_output4Err0ASSERT_VIOLATIONERROR_FUNCTION satisfy 19245#(and (<= 21 ~u~0) (<= ~b~0 2) (<= 1 ~a3~0) (<= ~x~0 24) (<= ~a26~0 17) (<= |calculate_output4_#in~input| 6) (<= 6 ~f~0) (<= ~a7~0 1) (<= 1 ~a~0) (<= 23 ~w~0) (<= ~z~0 26) (<= 3 ~c~0) (<= ~c~0 3) (<= |old(~a7~0)| 1) (<= ~w~0 23) (<= 17 ~a26~0) (<= ~a4~0 16) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a25~0) (<= ~d~0 4) (<= 15 ~a28~0) (<= ~a3~0 1) (<= ~a28~0 15) (<= 1 calculate_output4_~input) (<= calculate_output4_~input 6) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= 15 |old(~a28~0)|) (<= 16 ~a4~0) (<= 1 ~a1~0) (<= ~a25~0 1) (<= 2 ~b~0) (<= ~f~0 6) (<= 1 |calculate_output4_#in~input|) (<= ~v~0 22) (<= 4 ~d~0) (<= ~u~0 21) (<= 26 ~z~0) (<= |old(~a3~0)| 1) (<= ~a1~0 1) (<= 18 ~a14~0) (<= 24 ~x~0) (<= ~e~0 5) (<= ~a14~0 18)) [2019-09-05 17:06:07,418 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 17:06:07,418 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 17:06:07,421 INFO L168 Benchmark]: Toolchain (without parser) took 79098.75 ms. Allocated memory was 135.8 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 67.9 MB in the beginning and 827.4 MB in the end (delta: -759.5 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2019-09-05 17:06:07,422 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 135.8 MB. Free memory was 101.8 MB in the beginning and 101.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 17:06:07,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2460.28 ms. Allocated memory was 135.8 MB in the beginning and 294.1 MB in the end (delta: 158.3 MB). Free memory was 67.5 MB in the beginning and 207.7 MB in the end (delta: -140.2 MB). Peak memory consumption was 107.2 MB. Max. memory is 7.1 GB. [2019-09-05 17:06:07,424 INFO L168 Benchmark]: Boogie Preprocessor took 276.97 ms. Allocated memory is still 294.1 MB. Free memory was 207.7 MB in the beginning and 178.3 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. [2019-09-05 17:06:07,425 INFO L168 Benchmark]: RCFGBuilder took 4713.29 ms. Allocated memory was 294.1 MB in the beginning and 408.4 MB in the end (delta: 114.3 MB). Free memory was 178.3 MB in the beginning and 183.7 MB in the end (delta: -5.4 MB). Peak memory consumption was 238.2 MB. Max. memory is 7.1 GB. [2019-09-05 17:06:07,426 INFO L168 Benchmark]: Sifa took 71643.36 ms. Allocated memory was 408.4 MB in the beginning and 2.7 GB in the end (delta: 2.3 GB). Free memory was 183.7 MB in the beginning and 827.4 MB in the end (delta: -643.7 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-09-05 17:06:07,430 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 135.8 MB. Free memory was 101.8 MB in the beginning and 101.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2460.28 ms. Allocated memory was 135.8 MB in the beginning and 294.1 MB in the end (delta: 158.3 MB). Free memory was 67.5 MB in the beginning and 207.7 MB in the end (delta: -140.2 MB). Peak memory consumption was 107.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 276.97 ms. Allocated memory is still 294.1 MB. Free memory was 207.7 MB in the beginning and 178.3 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4713.29 ms. Allocated memory was 294.1 MB in the beginning and 408.4 MB in the end (delta: 114.3 MB). Free memory was 178.3 MB in the beginning and 183.7 MB in the end (delta: -5.4 MB). Peak memory consumption was 238.2 MB. Max. memory is 7.1 GB. * Sifa took 71643.36 ms. Allocated memory was 408.4 MB in the beginning and 2.7 GB in the end (delta: 2.3 GB). Free memory was 183.7 MB in the beginning and 827.4 MB in the end (delta: -643.7 MB). Peak memory consumption was 1.7 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]: 71595, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 9529, DAG_INTERPRETER_EARLY_EXITS: 326, TOOLS_POST_APPLICATIONS: 9168, TOOLS_POST_TIME[ms]: 6169, TOOLS_POST_CALL_APPLICATIONS: 22, TOOLS_POST_CALL_TIME[ms]: 111, TOOLS_POST_RETURN_APPLICATIONS: 17, TOOLS_POST_RETURN_TIME[ms]: 84, TOOLS_QUANTIFIERELIM_TIME[ms]: 4913, FLUID_QUERY_TIME[ms]: 117, FLUID_QUERIES: 9533, FLUID_YES_ANSWERS: 6588, DOMAIN_JOIN_APPLICATIONS: 3445, DOMAIN_JOIN_TIME[ms]: 3321, DOMAIN_ALPHA_APPLICATIONS: 6588, DOMAIN_ALPHA_TIME[ms]: 52227, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 7, DOMAIN_ISSUBSETEQ_APPLICATIONS: 28, DOMAIN_ISSUBSETEQ_TIME[ms]: 88, DOMAIN_ISBOTTOM_APPLICATIONS: 4053, DOMAIN_ISBOTTOM_TIME[ms]: 8161, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 60406, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 60405, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 17, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 60354, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 12, PATH_EXPR_TIME[ms]: 140, REGEX_TO_DAG_TIME[ms]: 19, DAG_COMPRESSION_TIME[ms]: 508, DAG_COMPRESSION_PROCESSED_NODES: 44478, DAG_COMPRESSION_RETAINED_NODES: 3855 - UnprovableResult [Line: 4763]: 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 19245#(and (<= 21 ~u~0) (<= ~b~0 2) (<= 1 ~a3~0) (<= ~x~0 24) (<= ~a26~0 17) (<= |calculate_output4_#in~input| 6) (<= 6 ~f~0) (<= ~a7~0 1) (<= 1 ~a~0) (<= 23 ~w~0) (<= ~z~0 26) (<= 3 ~c~0) (<= ~c~0 3) (<= |old(~a7~0)| 1) (<= ~w~0 23) (<= 17 ~a26~0) (<= ~a4~0 16) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a25~0) (<= ~d~0 4) (<= 15 ~a28~0) (<= ~a3~0 1) (<= ~a28~0 15) (<= 1 calculate_output4_~input) (<= calculate_output4_~input 6) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= 15 |old(~a28~0)|) (<= 16 ~a4~0) (<= 1 ~a1~0) (<= ~a25~0 1) (<= 2 ~b~0) (<= ~f~0 6) (<= 1 |calculate_output4_#in~input|) (<= ~v~0 22) (<= 4 ~d~0) (<= ~u~0 21) (<= 26 ~z~0) (<= |old(~a3~0)| 1) (<= ~a1~0 1) (<= 18 ~a14~0) (<= 24 ~x~0) (<= ~e~0 5) (<= ~a14~0 18)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...