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/Problem01_label08.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-05 15:56:44,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 15:56:44,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 15:56:44,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 15:56:44,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 15:56:44,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 15:56:44,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 15:56:44,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 15:56:44,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 15:56:44,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 15:56:44,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 15:56:44,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 15:56:44,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 15:56:44,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 15:56:44,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 15:56:44,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 15:56:44,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 15:56:44,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 15:56:44,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 15:56:44,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 15:56:44,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 15:56:44,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 15:56:44,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 15:56:44,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 15:56:44,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-05 15:56:44,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 15:56:44,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 15:56:44,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 15:56:44,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 15:56:44,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 15:56:44,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 15:56:44,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 15:56:44,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 15:56:44,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 15:56:44,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 15:56:44,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 15:56:44,671 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 15:56:44,695 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 15:56:44,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 15:56:44,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 15:56:44,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 15:56:44,697 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 15:56:44,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 15:56:44,698 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 15:56:44,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 15:56:44,698 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 15:56:44,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 15:56:44,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 15:56:44,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 15:56:44,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 15:56:44,700 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 15:56:44,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 15:56:44,701 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 15:56:44,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 15:56:44,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 15:56:44,701 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 15:56:44,701 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 15:56:44,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 15:56:44,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 15:56:44,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 15:56:44,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 15:56:44,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 15:56:44,703 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 15:56:44,703 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 15:56:44,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 15:56:44,703 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 15:56:44,755 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 15:56:44,767 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 15:56:44,771 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 15:56:44,772 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 15:56:44,773 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 15:56:44,773 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label08.c [2019-09-05 15:56:44,836 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4901f32f/85b368bc48734de584ff9a84c41b2bdd/FLAGd0e333867 [2019-09-05 15:56:45,423 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 15:56:45,424 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label08.c [2019-09-05 15:56:45,445 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4901f32f/85b368bc48734de584ff9a84c41b2bdd/FLAGd0e333867 [2019-09-05 15:56:45,656 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4901f32f/85b368bc48734de584ff9a84c41b2bdd [2019-09-05 15:56:45,666 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 15:56:45,668 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 15:56:45,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 15:56:45,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 15:56:45,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 15:56:45,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 03:56:45" (1/1) ... [2019-09-05 15:56:45,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@423bca40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:56:45, skipping insertion in model container [2019-09-05 15:56:45,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 03:56:45" (1/1) ... [2019-09-05 15:56:45,684 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 15:56:45,732 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 15:56:46,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 15:56:46,298 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 15:56:46,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 15:56:46,468 INFO L192 MainTranslator]: Completed translation [2019-09-05 15:56:46,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:56:46 WrapperNode [2019-09-05 15:56:46,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 15:56:46,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 15:56:46,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 15:56:46,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 15:56:46,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:56:46" (1/1) ... [2019-09-05 15:56:46,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:56:46" (1/1) ... [2019-09-05 15:56:46,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:56:46" (1/1) ... [2019-09-05 15:56:46,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:56:46" (1/1) ... [2019-09-05 15:56:46,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:56:46" (1/1) ... [2019-09-05 15:56:46,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:56:46" (1/1) ... [2019-09-05 15:56:46,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:56:46" (1/1) ... [2019-09-05 15:56:46,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 15:56:46,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 15:56:46,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 15:56:46,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 15:56:46,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:56:46" (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 15:56:46,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 15:56:46,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 15:56:46,640 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-05 15:56:46,640 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 15:56:46,641 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-05 15:56:46,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 15:56:46,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 15:56:46,641 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-05 15:56:46,641 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 15:56:46,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 15:56:46,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 15:56:47,848 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 15:56:47,848 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 15:56:47,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 03:56:47 BoogieIcfgContainer [2019-09-05 15:56:47,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 15:56:47,851 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 15:56:47,851 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 15:56:47,851 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 15:56:47,852 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 03:56:47" (1/1) ... [2019-09-05 15:56:47,853 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 15:56:47,877 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 15:56:47,877 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 15:56:47,888 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 15:56:47,898 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 15:56:47,900 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 15:56:48,015 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 85 for LOIs [2019-09-05 15:58:05,843 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 91 for LOIs [2019-09-05 15:58:38,683 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 15:58:38,684 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 15:58:38,686 INFO L193 IcfgInterpreter]: Reachable states at location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 8319#(and (<= ~a8~0 13) (<= 21 ~u~0) (<= ~b~0 2) (<= |old(~a21~0)| 1) (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 1 |calculate_output_#in~input|) (<= 6 ~f~0) (<= ~a7~0 1) (<= |old(~a17~0)| 1) (<= ~a12~0 8) (<= 1 ~a7~0) (<= |calculate_output_#in~input| 6) (<= 1 ~a~0) (<= 23 ~w~0) (<= ~z~0 26) (<= 3 ~c~0) (<= ~c~0 3) (<= ~a17~0 1) (<= 4 ~a16~0) (<= ~w~0 23) (<= ~a20~0 1) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a21~0) (<= ~d~0 4) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= 8 ~a12~0) (<= ~a21~0 1) (<= |old(~a20~0)| 1) (<= ~a16~0 4) (<= calculate_output_~input 6) (<= 2 ~b~0) (<= ~f~0 6) (<= ~v~0 22) (<= 4 ~d~0) (<= |old(~a8~0)| 15) (<= ~u~0 21) (<= 26 ~z~0) (<= 0 |old(~a7~0)|) (<= 13 ~a8~0) (<= 24 ~x~0) (<= ~e~0 5)) [2019-09-05 15:58:38,703 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 15:58:38,703 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 15:58:38,706 INFO L168 Benchmark]: Toolchain (without parser) took 113036.80 ms. Allocated memory was 141.0 MB in the beginning and 2.9 GB in the end (delta: 2.8 GB). Free memory was 87.3 MB in the beginning and 364.4 MB in the end (delta: -277.1 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2019-09-05 15:58:38,706 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory is still 106.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-05 15:58:38,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 800.16 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 86.9 MB in the beginning and 170.4 MB in the end (delta: -83.5 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. [2019-09-05 15:58:38,708 INFO L168 Benchmark]: Boogie Preprocessor took 112.70 ms. Allocated memory is still 205.0 MB. Free memory was 170.4 MB in the beginning and 164.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-09-05 15:58:38,710 INFO L168 Benchmark]: RCFGBuilder took 1267.25 ms. Allocated memory was 205.0 MB in the beginning and 231.2 MB in the end (delta: 26.2 MB). Free memory was 164.7 MB in the beginning and 181.7 MB in the end (delta: -17.0 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. [2019-09-05 15:58:38,711 INFO L168 Benchmark]: Sifa took 110852.74 ms. Allocated memory was 231.2 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 181.7 MB in the beginning and 364.4 MB in the end (delta: -182.7 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2019-09-05 15:58:38,715 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 141.0 MB. Free memory is still 106.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 800.16 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 86.9 MB in the beginning and 170.4 MB in the end (delta: -83.5 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.70 ms. Allocated memory is still 205.0 MB. Free memory was 170.4 MB in the beginning and 164.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1267.25 ms. Allocated memory was 205.0 MB in the beginning and 231.2 MB in the end (delta: 26.2 MB). Free memory was 164.7 MB in the beginning and 181.7 MB in the end (delta: -17.0 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. * Sifa took 110852.74 ms. Allocated memory was 231.2 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 181.7 MB in the beginning and 364.4 MB in the end (delta: -182.7 MB). Peak memory consumption was 2.5 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]: 110809, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 5868, DAG_INTERPRETER_EARLY_EXITS: 1096, TOOLS_POST_APPLICATIONS: 5475, TOOLS_POST_TIME[ms]: 3071, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 63, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 26, TOOLS_QUANTIFIERELIM_TIME[ms]: 2349, FLUID_QUERY_TIME[ms]: 69, FLUID_QUERIES: 5871, FLUID_YES_ANSWERS: 2026, DOMAIN_JOIN_APPLICATIONS: 804, DOMAIN_JOIN_TIME[ms]: 6985, DOMAIN_ALPHA_APPLICATIONS: 2026, DOMAIN_ALPHA_TIME[ms]: 93832, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 3, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 2768, DOMAIN_ISBOTTOM_TIME[ms]: 5925, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 77814, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 77814, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 77772, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 31, REGEX_TO_DAG_TIME[ms]: 11, DAG_COMPRESSION_TIME[ms]: 458, DAG_COMPRESSION_PROCESSED_NODES: 19590, DAG_COMPRESSION_RETAINED_NODES: 5643 - UnprovableResult [Line: 515]: 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 8319#(and (<= ~a8~0 13) (<= 21 ~u~0) (<= ~b~0 2) (<= |old(~a21~0)| 1) (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 1 |calculate_output_#in~input|) (<= 6 ~f~0) (<= ~a7~0 1) (<= |old(~a17~0)| 1) (<= ~a12~0 8) (<= 1 ~a7~0) (<= |calculate_output_#in~input| 6) (<= 1 ~a~0) (<= 23 ~w~0) (<= ~z~0 26) (<= 3 ~c~0) (<= ~c~0 3) (<= ~a17~0 1) (<= 4 ~a16~0) (<= ~w~0 23) (<= ~a20~0 1) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a21~0) (<= ~d~0 4) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= 8 ~a12~0) (<= ~a21~0 1) (<= |old(~a20~0)| 1) (<= ~a16~0 4) (<= calculate_output_~input 6) (<= 2 ~b~0) (<= ~f~0 6) (<= ~v~0 22) (<= 4 ~d~0) (<= |old(~a8~0)| 15) (<= ~u~0 21) (<= 26 ~z~0) (<= 0 |old(~a7~0)|) (<= 13 ~a8~0) (<= 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...