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_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-05 17:08:48,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 17:08:48,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 17:08:48,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 17:08:48,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 17:08:48,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 17:08:48,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 17:08:48,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 17:08:48,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 17:08:48,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 17:08:48,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 17:08:48,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 17:08:48,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 17:08:48,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 17:08:48,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 17:08:48,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 17:08:48,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 17:08:48,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 17:08:48,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 17:08:48,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 17:08:48,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 17:08:48,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 17:08:48,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 17:08:48,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 17:08:48,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-05 17:08:48,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 17:08:48,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 17:08:48,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 17:08:48,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 17:08:48,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 17:08:48,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 17:08:48,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 17:08:48,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 17:08:48,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 17:08:48,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 17:08:48,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 17:08:48,947 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 17:08:48,962 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 17:08:48,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 17:08:48,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 17:08:48,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 17:08:48,963 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 17:08:48,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 17:08:48,964 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 17:08:48,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 17:08:48,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 17:08:48,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 17:08:48,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 17:08:48,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 17:08:48,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 17:08:48,965 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 17:08:48,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 17:08:48,966 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 17:08:48,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 17:08:48,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 17:08:48,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 17:08:48,966 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 17:08:48,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 17:08:48,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 17:08:48,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 17:08:48,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 17:08:48,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 17:08:48,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 17:08:48,968 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 17:08:48,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 17:08:48,968 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 17:08:48,998 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 17:08:49,012 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 17:08:49,017 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 17:08:49,020 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 17:08:49,021 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 17:08:49,022 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label30.c [2019-09-05 17:08:49,079 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0655349b/466f53cc94684298872c63fcd33385d5/FLAG0ba6e30e7 [2019-09-05 17:08:49,853 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 17:08:49,855 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label30.c [2019-09-05 17:08:49,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0655349b/466f53cc94684298872c63fcd33385d5/FLAG0ba6e30e7 [2019-09-05 17:08:50,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0655349b/466f53cc94684298872c63fcd33385d5 [2019-09-05 17:08:50,364 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 17:08:50,366 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 17:08:50,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 17:08:50,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 17:08:50,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 17:08:50,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 05:08:50" (1/1) ... [2019-09-05 17:08:50,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b575677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:08:50, skipping insertion in model container [2019-09-05 17:08:50,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 05:08:50" (1/1) ... [2019-09-05 17:08:50,386 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 17:08:50,559 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 17:08:52,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 17:08:52,120 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 17:08:52,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 17:08:52,957 INFO L192 MainTranslator]: Completed translation [2019-09-05 17:08:52,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:08:52 WrapperNode [2019-09-05 17:08:52,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 17:08:52,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 17:08:52,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 17:08:52,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 17:08:52,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:08:52" (1/1) ... [2019-09-05 17:08:52,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:08:52" (1/1) ... [2019-09-05 17:08:53,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:08:52" (1/1) ... [2019-09-05 17:08:53,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:08:52" (1/1) ... [2019-09-05 17:08:53,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:08:52" (1/1) ... [2019-09-05 17:08:53,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:08:52" (1/1) ... [2019-09-05 17:08:53,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:08:52" (1/1) ... [2019-09-05 17:08:53,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 17:08:53,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 17:08:53,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 17:08:53,234 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 17:08:53,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:08:52" (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 17:08:53,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 17:08:53,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 17:08:53,304 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-05 17:08:53,304 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-05 17:08:53,304 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-09-05 17:08:53,304 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-09-05 17:08:53,305 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 17:08:53,305 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-05 17:08:53,305 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-05 17:08:53,305 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-09-05 17:08:53,305 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-09-05 17:08:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 17:08:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 17:08:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-05 17:08:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 17:08:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 17:08:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 17:08:58,231 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 17:08:58,236 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 17:08:58,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 05:08:58 BoogieIcfgContainer [2019-09-05 17:08:58,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 17:08:58,239 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 17:08:58,239 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 17:08:58,240 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 17:08:58,242 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 05:08:58" (1/1) ... [2019-09-05 17:08:58,243 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 17:08:58,288 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 17:08:58,288 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 17:08:58,311 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 17:08:58,321 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 17:08:58,322 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 17:08:58,452 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 89 for LOIs [2019-09-05 17:09:56,384 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 80 for LOIs [2019-09-05 17:09:59,224 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output2 with input of size 87 for LOIs [2019-09-05 17:10:02,267 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output3 with input of size 87 for LOIs [2019-09-05 17:10:06,310 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output4 with input of size 87 for LOIs [2019-09-05 17:10:07,698 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 17:10:07,699 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 17:10:07,701 INFO L193 IcfgInterpreter]: Reachable states at location calculate_output4Err0ASSERT_VIOLATIONERROR_FUNCTION satisfy 18744#(and (<= 21 ~u~0) (<= ~b~0 2) (<= 1 ~a3~0) (<= ~x~0 24) (<= ~a26~0 18) (<= |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) (<= ~w~0 23) (<= ~a4~0 16) (<= ~a28~0 16) (<= 16 ~a28~0) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a25~0) (<= ~d~0 4) (<= ~a3~0 1) (<= 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|) (<= ~a14~0 20) (<= 20 ~a14~0) (<= ~v~0 22) (<= 4 ~d~0) (<= ~u~0 21) (<= 26 ~z~0) (<= |old(~a3~0)| 1) (<= 18 ~a26~0) (<= ~a1~0 1) (<= 24 ~x~0) (<= ~e~0 5)) [2019-09-05 17:10:07,725 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 17:10:07,726 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 17:10:07,729 INFO L168 Benchmark]: Toolchain (without parser) took 77361.47 ms. Allocated memory was 141.6 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 73.8 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 827.0 MB. Max. memory is 7.1 GB. [2019-09-05 17:10:07,730 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.6 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 17:10:07,731 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2591.17 ms. Allocated memory was 141.6 MB in the beginning and 261.6 MB in the end (delta: 120.1 MB). Free memory was 73.5 MB in the beginning and 194.2 MB in the end (delta: -120.7 MB). Peak memory consumption was 107.2 MB. Max. memory is 7.1 GB. [2019-09-05 17:10:07,731 INFO L168 Benchmark]: Boogie Preprocessor took 274.31 ms. Allocated memory is still 261.6 MB. Free memory was 194.2 MB in the beginning and 163.6 MB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. [2019-09-05 17:10:07,732 INFO L168 Benchmark]: RCFGBuilder took 5004.94 ms. Allocated memory was 261.6 MB in the beginning and 410.0 MB in the end (delta: 148.4 MB). Free memory was 163.6 MB in the beginning and 255.9 MB in the end (delta: -92.4 MB). Peak memory consumption was 197.2 MB. Max. memory is 7.1 GB. [2019-09-05 17:10:07,733 INFO L168 Benchmark]: Sifa took 69486.59 ms. Allocated memory was 410.0 MB in the beginning and 2.8 GB in the end (delta: 2.4 GB). Free memory was 255.9 MB in the beginning and 1.9 GB in the end (delta: -1.6 GB). Peak memory consumption was 740.7 MB. Max. memory is 7.1 GB. [2019-09-05 17:10:07,737 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 141.6 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2591.17 ms. Allocated memory was 141.6 MB in the beginning and 261.6 MB in the end (delta: 120.1 MB). Free memory was 73.5 MB in the beginning and 194.2 MB in the end (delta: -120.7 MB). Peak memory consumption was 107.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 274.31 ms. Allocated memory is still 261.6 MB. Free memory was 194.2 MB in the beginning and 163.6 MB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5004.94 ms. Allocated memory was 261.6 MB in the beginning and 410.0 MB in the end (delta: 148.4 MB). Free memory was 163.6 MB in the beginning and 255.9 MB in the end (delta: -92.4 MB). Peak memory consumption was 197.2 MB. Max. memory is 7.1 GB. * Sifa took 69486.59 ms. Allocated memory was 410.0 MB in the beginning and 2.8 GB in the end (delta: 2.4 GB). Free memory was 255.9 MB in the beginning and 1.9 GB in the end (delta: -1.6 GB). Peak memory consumption was 740.7 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]: 69414, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 9087, DAG_INTERPRETER_EARLY_EXITS: 274, TOOLS_POST_APPLICATIONS: 8779, TOOLS_POST_TIME[ms]: 5442, TOOLS_POST_CALL_APPLICATIONS: 22, TOOLS_POST_CALL_TIME[ms]: 121, TOOLS_POST_RETURN_APPLICATIONS: 17, TOOLS_POST_RETURN_TIME[ms]: 72, TOOLS_QUANTIFIERELIM_TIME[ms]: 4301, FLUID_QUERY_TIME[ms]: 101, FLUID_QUERIES: 9091, FLUID_YES_ANSWERS: 6550, DOMAIN_JOIN_APPLICATIONS: 3371, DOMAIN_JOIN_TIME[ms]: 3117, DOMAIN_ALPHA_APPLICATIONS: 6550, DOMAIN_ALPHA_TIME[ms]: 52172, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 8, DOMAIN_ISSUBSETEQ_APPLICATIONS: 28, DOMAIN_ISSUBSETEQ_TIME[ms]: 72, DOMAIN_ISBOTTOM_APPLICATIONS: 3881, DOMAIN_ISBOTTOM_TIME[ms]: 7260, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 57913, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 57912, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 17, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 57875, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 10, PATH_EXPR_TIME[ms]: 105, REGEX_TO_DAG_TIME[ms]: 16, DAG_COMPRESSION_TIME[ms]: 373, DAG_COMPRESSION_PROCESSED_NODES: 42757, DAG_COMPRESSION_RETAINED_NODES: 3119 - UnprovableResult [Line: 4700]: 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 18744#(and (<= 21 ~u~0) (<= ~b~0 2) (<= 1 ~a3~0) (<= ~x~0 24) (<= ~a26~0 18) (<= |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) (<= ~w~0 23) (<= ~a4~0 16) (<= ~a28~0 16) (<= 16 ~a28~0) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a25~0) (<= ~d~0 4) (<= ~a3~0 1) (<= 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|) (<= ~a14~0 20) (<= 20 ~a14~0) (<= ~v~0 22) (<= 4 ~d~0) (<= ~u~0 21) (<= 26 ~z~0) (<= |old(~a3~0)| 1) (<= 18 ~a26~0) (<= ~a1~0 1) (<= 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...