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/Problem05_label07.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-05 17:13:08,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 17:13:08,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 17:13:08,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 17:13:08,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 17:13:08,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 17:13:08,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 17:13:08,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 17:13:08,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 17:13:08,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 17:13:08,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 17:13:08,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 17:13:08,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 17:13:08,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 17:13:08,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 17:13:08,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 17:13:08,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 17:13:08,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 17:13:08,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 17:13:08,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 17:13:08,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 17:13:08,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 17:13:08,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 17:13:08,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 17:13:08,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-05 17:13:08,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-05 17:13:08,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-05 17:13:08,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-05 17:13:08,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-05 17:13:08,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-05 17:13:08,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 17:13:08,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 17:13:08,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 17:13:08,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 17:13:08,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 17:13:08,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 17:13:08,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 17:13:08,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 17:13:08,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 17:13:08,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 17:13:08,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 17:13:08,863 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 17:13:08,893 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 17:13:08,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 17:13:08,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 17:13:08,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 17:13:08,896 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 17:13:08,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 17:13:08,896 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 17:13:08,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 17:13:08,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 17:13:08,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 17:13:08,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 17:13:08,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 17:13:08,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 17:13:08,899 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 17:13:08,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 17:13:08,899 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 17:13:08,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 17:13:08,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 17:13:08,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 17:13:08,900 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 17:13:08,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 17:13:08,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 17:13:08,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 17:13:08,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 17:13:08,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 17:13:08,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 17:13:08,902 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 17:13:08,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 17:13:08,902 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 17:13:08,951 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 17:13:08,967 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 17:13:08,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 17:13:08,973 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 17:13:08,973 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 17:13:08,974 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem05_label07.c [2019-09-05 17:13:09,062 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad0db992e/8778760204d2444e981c8490a8886b9e/FLAG0b4200950 [2019-09-05 17:13:10,073 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 17:13:10,074 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem05_label07.c [2019-09-05 17:13:10,122 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad0db992e/8778760204d2444e981c8490a8886b9e/FLAG0b4200950 [2019-09-05 17:13:10,415 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad0db992e/8778760204d2444e981c8490a8886b9e [2019-09-05 17:13:10,427 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 17:13:10,428 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 17:13:10,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 17:13:10,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 17:13:10,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 17:13:10,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 05:13:10" (1/1) ... [2019-09-05 17:13:10,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f95ed7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:13:10, skipping insertion in model container [2019-09-05 17:13:10,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 05:13:10" (1/1) ... [2019-09-05 17:13:10,444 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 17:13:10,683 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 17:13:13,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 17:13:13,145 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 17:13:14,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 17:13:14,441 INFO L192 MainTranslator]: Completed translation [2019-09-05 17:13:14,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:13:14 WrapperNode [2019-09-05 17:13:14,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 17:13:14,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 17:13:14,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 17:13:14,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 17:13:14,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:13:14" (1/1) ... [2019-09-05 17:13:14,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:13:14" (1/1) ... [2019-09-05 17:13:14,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:13:14" (1/1) ... [2019-09-05 17:13:14,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:13:14" (1/1) ... [2019-09-05 17:13:14,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:13:14" (1/1) ... [2019-09-05 17:13:14,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:13:14" (1/1) ... [2019-09-05 17:13:14,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:13:14" (1/1) ... [2019-09-05 17:13:14,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 17:13:14,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 17:13:14,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 17:13:14,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 17:13:14,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:13:14" (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 17:13:14,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 17:13:14,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 17:13:14,872 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-05 17:13:14,872 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-05 17:13:14,873 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-09-05 17:13:14,873 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-09-05 17:13:14,873 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-09-05 17:13:14,873 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2019-09-05 17:13:14,873 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2019-09-05 17:13:14,873 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2019-09-05 17:13:14,873 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 17:13:14,874 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-05 17:13:14,874 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-05 17:13:14,874 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-09-05 17:13:14,874 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-09-05 17:13:14,874 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-09-05 17:13:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2019-09-05 17:13:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2019-09-05 17:13:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2019-09-05 17:13:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 17:13:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 17:13:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-05 17:13:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 17:13:14,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 17:13:14,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 17:13:23,213 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 17:13:23,214 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 17:13:23,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 05:13:23 BoogieIcfgContainer [2019-09-05 17:13:23,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 17:13:23,217 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 17:13:23,218 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 17:13:23,218 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 17:13:23,219 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 05:13:23" (1/1) ... [2019-09-05 17:13:23,220 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 17:13:23,244 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 17:13:23,244 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 17:13:23,265 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 17:13:23,275 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 17:13:23,277 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 17:13:23,367 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 63 for LOIs [2019-09-05 17:18:05,816 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 68 for LOIs [2019-09-05 17:18:17,052 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output2 with input of size 94 for LOIs [2019-09-05 17:18:30,543 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output3 with input of size 94 for LOIs [2019-09-05 17:18:43,784 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output4 with input of size 94 for LOIs [2019-09-05 17:18:56,647 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output5 with input of size 94 for LOIs [2019-09-05 17:19:10,359 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output6 with input of size 94 for LOIs [2019-09-05 17:19:23,576 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output7 with input of size 94 for LOIs [2019-09-05 17:19:36,768 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output8 with input of size 94 for LOIs [2019-09-05 17:19:44,362 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 17:19:44,363 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 17:19:44,365 INFO L193 IcfgInterpreter]: Reachable states at location calculate_output8Err0ASSERT_VIOLATIONERROR_FUNCTION satisfy 47757#(and (<= ~b~0 2) (<= 1 ~a27~0) (<= 3 ~a12~0) (<= |old(~a15~0)| 1) (<= 6 ~f~0) (<= 1 ~a~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~a9~0 16) (<= ~a16~0 1) (<= |calculate_output8_#in~input| 6) (<= 12 ~a2~0) (<= 1 ~a15~0) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 calculate_output8_~input) (<= 1 ~a25~0) (<= ~d~0 4) (<= ~a2~0 12) (<= ~a20~0 5) (<= 1 ~a16~0) (<= 5 ~a20~0) (<= 5 |old(~a20~0)|) (<= ~a25~0 1) (<= 2 ~b~0) (<= ~f~0 6) (<= 16 ~a9~0) (<= |old(~a25~0)| 1) (<= ~a27~0 1) (<= 4 ~d~0) (<= calculate_output8_~input 6) (<= 1 |calculate_output8_#in~input|) (<= |old(~a9~0)| 18) (<= ~a15~0 1) (<= ~a12~0 3) (<= ~e~0 5)) [2019-09-05 17:19:44,379 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 17:19:44,379 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 17:19:44,381 INFO L168 Benchmark]: Toolchain (without parser) took 393952.37 ms. Allocated memory was 172.0 MB in the beginning and 3.6 GB in the end (delta: 3.5 GB). Free memory was 137.3 MB in the beginning and 279.7 MB in the end (delta: -142.4 MB). Peak memory consumption was 3.3 GB. Max. memory is 7.1 GB. [2019-09-05 17:19:44,382 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-05 17:19:44,383 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4013.02 ms. Allocated memory was 172.0 MB in the beginning and 285.2 MB in the end (delta: 113.2 MB). Free memory was 136.6 MB in the beginning and 150.9 MB in the end (delta: -14.2 MB). Peak memory consumption was 200.4 MB. Max. memory is 7.1 GB. [2019-09-05 17:19:44,384 INFO L168 Benchmark]: Boogie Preprocessor took 360.78 ms. Allocated memory is still 285.2 MB. Free memory was 150.9 MB in the beginning and 90.7 MB in the end (delta: 60.2 MB). Peak memory consumption was 60.2 MB. Max. memory is 7.1 GB. [2019-09-05 17:19:44,385 INFO L168 Benchmark]: RCFGBuilder took 8412.97 ms. Allocated memory was 285.2 MB in the beginning and 656.4 MB in the end (delta: 371.2 MB). Free memory was 90.7 MB in the beginning and 181.8 MB in the end (delta: -91.1 MB). Peak memory consumption was 342.5 MB. Max. memory is 7.1 GB. [2019-09-05 17:19:44,386 INFO L168 Benchmark]: Sifa took 381161.58 ms. Allocated memory was 656.4 MB in the beginning and 3.6 GB in the end (delta: 3.0 GB). Free memory was 181.8 MB in the beginning and 279.7 MB in the end (delta: -97.9 MB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2019-09-05 17:19:44,390 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 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4013.02 ms. Allocated memory was 172.0 MB in the beginning and 285.2 MB in the end (delta: 113.2 MB). Free memory was 136.6 MB in the beginning and 150.9 MB in the end (delta: -14.2 MB). Peak memory consumption was 200.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 360.78 ms. Allocated memory is still 285.2 MB. Free memory was 150.9 MB in the beginning and 90.7 MB in the end (delta: 60.2 MB). Peak memory consumption was 60.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8412.97 ms. Allocated memory was 285.2 MB in the beginning and 656.4 MB in the end (delta: 371.2 MB). Free memory was 90.7 MB in the beginning and 181.8 MB in the end (delta: -91.1 MB). Peak memory consumption was 342.5 MB. Max. memory is 7.1 GB. * Sifa took 381161.58 ms. Allocated memory was 656.4 MB in the beginning and 3.6 GB in the end (delta: 3.0 GB). Free memory was 181.8 MB in the beginning and 279.7 MB in the end (delta: -97.9 MB). Peak memory consumption was 2.9 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]: 381122, ICFG_INTERPRETER_ENTERED_PROCEDURES: 10, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 24463, DAG_INTERPRETER_EARLY_EXITS: 1299, TOOLS_POST_APPLICATIONS: 23188, TOOLS_POST_TIME[ms]: 17211, TOOLS_POST_CALL_APPLICATIONS: 42, TOOLS_POST_CALL_TIME[ms]: 274, TOOLS_POST_RETURN_APPLICATIONS: 33, TOOLS_POST_RETURN_TIME[ms]: 171, TOOLS_QUANTIFIERELIM_TIME[ms]: 13402, FLUID_QUERY_TIME[ms]: 212, FLUID_QUERIES: 24467, FLUID_YES_ANSWERS: 16535, DOMAIN_JOIN_APPLICATIONS: 7954, DOMAIN_JOIN_TIME[ms]: 13441, DOMAIN_ALPHA_APPLICATIONS: 16535, DOMAIN_ALPHA_TIME[ms]: 316538, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 2, DOMAIN_ISSUBSETEQ_APPLICATIONS: 52, DOMAIN_ISSUBSETEQ_TIME[ms]: 153, DOMAIN_ISBOTTOM_APPLICATIONS: 10366, DOMAIN_ISBOTTOM_TIME[ms]: 30902, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 282438, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 282438, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 33, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 282419, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 12, PATH_EXPR_TIME[ms]: 129, REGEX_TO_DAG_TIME[ms]: 27, DAG_COMPRESSION_TIME[ms]: 817, DAG_COMPRESSION_PROCESSED_NODES: 93847, DAG_COMPRESSION_RETAINED_NODES: 9836 - UnprovableResult [Line: 11027]: 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 47757#(and (<= ~b~0 2) (<= 1 ~a27~0) (<= 3 ~a12~0) (<= |old(~a15~0)| 1) (<= 6 ~f~0) (<= 1 ~a~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~a9~0 16) (<= ~a16~0 1) (<= |calculate_output8_#in~input| 6) (<= 12 ~a2~0) (<= 1 ~a15~0) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 calculate_output8_~input) (<= 1 ~a25~0) (<= ~d~0 4) (<= ~a2~0 12) (<= ~a20~0 5) (<= 1 ~a16~0) (<= 5 ~a20~0) (<= 5 |old(~a20~0)|) (<= ~a25~0 1) (<= 2 ~b~0) (<= ~f~0 6) (<= 16 ~a9~0) (<= |old(~a25~0)| 1) (<= ~a27~0 1) (<= 4 ~d~0) (<= calculate_output8_~input 6) (<= 1 |calculate_output8_#in~input|) (<= |old(~a9~0)| 18) (<= ~a15~0 1) (<= ~a12~0 3) (<= ~e~0 5)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...