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_label54.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-05 17:11:40,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 17:11:40,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 17:11:40,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 17:11:40,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 17:11:40,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 17:11:40,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 17:11:40,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 17:11:40,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 17:11:40,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 17:11:40,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 17:11:40,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 17:11:40,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 17:11:40,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 17:11:40,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 17:11:40,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 17:11:40,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 17:11:40,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 17:11:40,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 17:11:40,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 17:11:40,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 17:11:40,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 17:11:40,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 17:11:40,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 17:11:40,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-05 17:11:40,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-05 17:11:40,092 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-05 17:11:40,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-05 17:11:40,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-05 17:11:40,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-05 17:11:40,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 17:11:40,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 17:11:40,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 17:11:40,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 17:11:40,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 17:11:40,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 17:11:40,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 17:11:40,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 17:11:40,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 17:11:40,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 17:11:40,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 17:11:40,102 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 17:11:40,118 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 17:11:40,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 17:11:40,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 17:11:40,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 17:11:40,120 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 17:11:40,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 17:11:40,120 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 17:11:40,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 17:11:40,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 17:11:40,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 17:11:40,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 17:11:40,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 17:11:40,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 17:11:40,122 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 17:11:40,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 17:11:40,122 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 17:11:40,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 17:11:40,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 17:11:40,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 17:11:40,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 17:11:40,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 17:11:40,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 17:11:40,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 17:11:40,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 17:11:40,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 17:11:40,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 17:11:40,125 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 17:11:40,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 17:11:40,125 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 17:11:40,156 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 17:11:40,168 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 17:11:40,172 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 17:11:40,174 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 17:11:40,174 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 17:11:40,175 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label54.c [2019-09-05 17:11:40,248 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f11ba01b8/a73ccf5c57974be2b7c5ba1649368afe/FLAG9300828f7 [2019-09-05 17:11:41,003 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 17:11:41,006 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label54.c [2019-09-05 17:11:41,050 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f11ba01b8/a73ccf5c57974be2b7c5ba1649368afe/FLAG9300828f7 [2019-09-05 17:11:41,551 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f11ba01b8/a73ccf5c57974be2b7c5ba1649368afe [2019-09-05 17:11:41,563 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 17:11:41,565 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 17:11:41,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 17:11:41,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 17:11:41,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 17:11:41,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 05:11:41" (1/1) ... [2019-09-05 17:11:41,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a396a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:11:41, skipping insertion in model container [2019-09-05 17:11:41,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 05:11:41" (1/1) ... [2019-09-05 17:11:41,579 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 17:11:41,724 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 17:11:43,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 17:11:43,610 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 17:11:44,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 17:11:44,351 INFO L192 MainTranslator]: Completed translation [2019-09-05 17:11:44,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:11:44 WrapperNode [2019-09-05 17:11:44,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 17:11:44,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 17:11:44,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 17:11:44,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 17:11:44,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:11:44" (1/1) ... [2019-09-05 17:11:44,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:11:44" (1/1) ... [2019-09-05 17:11:44,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:11:44" (1/1) ... [2019-09-05 17:11:44,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:11:44" (1/1) ... [2019-09-05 17:11:44,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:11:44" (1/1) ... [2019-09-05 17:11:44,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:11:44" (1/1) ... [2019-09-05 17:11:44,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:11:44" (1/1) ... [2019-09-05 17:11:44,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 17:11:44,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 17:11:44,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 17:11:44,671 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 17:11:44,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:11:44" (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 17:11:44,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 17:11:44,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 17:11:44,759 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-05 17:11:44,759 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-05 17:11:44,759 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-09-05 17:11:44,761 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-09-05 17:11:44,761 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 17:11:44,762 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-05 17:11:44,762 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-05 17:11:44,762 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-09-05 17:11:44,762 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-09-05 17:11:44,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 17:11:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 17:11:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-05 17:11:44,765 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 17:11:44,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 17:11:44,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 17:11:49,464 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 17:11:49,464 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 17:11:49,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 05:11:49 BoogieIcfgContainer [2019-09-05 17:11:49,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 17:11:49,467 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 17:11:49,467 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 17:11:49,468 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 17:11:49,469 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 05:11:49" (1/1) ... [2019-09-05 17:11:49,469 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 17:11:49,495 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 17:11:49,495 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 17:11:49,515 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 17:11:49,529 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 17:11:49,531 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 17:11:49,686 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 89 for LOIs [2019-09-05 17:12:47,341 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 80 for LOIs [2019-09-05 17:12:50,192 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output2 with input of size 87 for LOIs [2019-09-05 17:12:53,151 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output3 with input of size 87 for LOIs [2019-09-05 17:12:57,156 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output4 with input of size 87 for LOIs [2019-09-05 17:12:58,906 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 17:12:58,907 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 17:12:58,909 INFO L193 IcfgInterpreter]: Reachable states at location calculate_output4Err0ASSERT_VIOLATIONERROR_FUNCTION satisfy 19253#(and (<= 21 ~u~0) (<= ~b~0 2) (<= 1 ~a3~0) (<= ~x~0 24) (<= ~a26~0 18) (<= ~a4~0 17) (<= |calculate_output4_#in~input| 6) (<= 6 ~f~0) (<= ~a7~0 1) (<= 1 ~a7~0) (<= 1 ~a~0) (<= 23 ~w~0) (<= ~z~0 26) (<= 3 ~c~0) (<= ~c~0 3) (<= |old(~a7~0)| 1) (<= 17 ~a4~0) (<= ~w~0 23) (<= 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)|) (<= 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) (<= 18 ~a26~0) (<= ~a1~0 1) (<= 18 ~a14~0) (<= 24 ~x~0) (<= ~e~0 5) (<= ~a14~0 18)) [2019-09-05 17:12:58,922 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 17:12:58,922 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 17:12:58,925 INFO L168 Benchmark]: Toolchain (without parser) took 77359.13 ms. Allocated memory was 139.5 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 72.0 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 939.1 MB. Max. memory is 7.1 GB. [2019-09-05 17:12:58,926 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 17:12:58,927 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2786.86 ms. Allocated memory was 139.5 MB in the beginning and 272.1 MB in the end (delta: 132.6 MB). Free memory was 71.8 MB in the beginning and 205.2 MB in the end (delta: -133.4 MB). Peak memory consumption was 107.6 MB. Max. memory is 7.1 GB. [2019-09-05 17:12:58,928 INFO L168 Benchmark]: Boogie Preprocessor took 316.71 ms. Allocated memory is still 272.1 MB. Free memory was 205.2 MB in the beginning and 174.6 MB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. [2019-09-05 17:12:58,929 INFO L168 Benchmark]: RCFGBuilder took 4796.48 ms. Allocated memory was 272.1 MB in the beginning and 368.1 MB in the end (delta: 95.9 MB). Free memory was 174.6 MB in the beginning and 73.7 MB in the end (delta: 100.8 MB). Peak memory consumption was 215.2 MB. Max. memory is 7.1 GB. [2019-09-05 17:12:58,930 INFO L168 Benchmark]: Sifa took 69455.31 ms. Allocated memory was 368.1 MB in the beginning and 2.8 GB in the end (delta: 2.4 GB). Free memory was 73.7 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 712.2 MB. Max. memory is 7.1 GB. [2019-09-05 17:12:58,934 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2786.86 ms. Allocated memory was 139.5 MB in the beginning and 272.1 MB in the end (delta: 132.6 MB). Free memory was 71.8 MB in the beginning and 205.2 MB in the end (delta: -133.4 MB). Peak memory consumption was 107.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 316.71 ms. Allocated memory is still 272.1 MB. Free memory was 205.2 MB in the beginning and 174.6 MB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4796.48 ms. Allocated memory was 272.1 MB in the beginning and 368.1 MB in the end (delta: 95.9 MB). Free memory was 174.6 MB in the beginning and 73.7 MB in the end (delta: 100.8 MB). Peak memory consumption was 215.2 MB. Max. memory is 7.1 GB. * Sifa took 69455.31 ms. Allocated memory was 368.1 MB in the beginning and 2.8 GB in the end (delta: 2.4 GB). Free memory was 73.7 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 712.2 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]: 69415, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 9537, DAG_INTERPRETER_EARLY_EXITS: 326, TOOLS_POST_APPLICATIONS: 9174, TOOLS_POST_TIME[ms]: 5911, TOOLS_POST_CALL_APPLICATIONS: 22, TOOLS_POST_CALL_TIME[ms]: 135, TOOLS_POST_RETURN_APPLICATIONS: 17, TOOLS_POST_RETURN_TIME[ms]: 89, TOOLS_QUANTIFIERELIM_TIME[ms]: 4683, FLUID_QUERY_TIME[ms]: 116, FLUID_QUERIES: 9541, FLUID_YES_ANSWERS: 6588, DOMAIN_JOIN_APPLICATIONS: 3447, DOMAIN_JOIN_TIME[ms]: 3341, DOMAIN_ALPHA_APPLICATIONS: 6588, DOMAIN_ALPHA_TIME[ms]: 50909, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 6, DOMAIN_ISSUBSETEQ_APPLICATIONS: 28, DOMAIN_ISSUBSETEQ_TIME[ms]: 53, DOMAIN_ISBOTTOM_APPLICATIONS: 4055, DOMAIN_ISBOTTOM_TIME[ms]: 7647, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 57638, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 57637, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 17, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 57610, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 15, PATH_EXPR_TIME[ms]: 154, REGEX_TO_DAG_TIME[ms]: 17, DAG_COMPRESSION_TIME[ms]: 433, DAG_COMPRESSION_PROCESSED_NODES: 44486, DAG_COMPRESSION_RETAINED_NODES: 3863 - UnprovableResult [Line: 4769]: 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 19253#(and (<= 21 ~u~0) (<= ~b~0 2) (<= 1 ~a3~0) (<= ~x~0 24) (<= ~a26~0 18) (<= ~a4~0 17) (<= |calculate_output4_#in~input| 6) (<= 6 ~f~0) (<= ~a7~0 1) (<= 1 ~a7~0) (<= 1 ~a~0) (<= 23 ~w~0) (<= ~z~0 26) (<= 3 ~c~0) (<= ~c~0 3) (<= |old(~a7~0)| 1) (<= 17 ~a4~0) (<= ~w~0 23) (<= 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)|) (<= 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) (<= 18 ~a26~0) (<= ~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...