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_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-05 17:19:58,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 17:19:58,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 17:19:58,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 17:19:58,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 17:19:58,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 17:19:58,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 17:19:58,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 17:19:58,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 17:19:58,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 17:19:58,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 17:19:58,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 17:19:58,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 17:19:58,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 17:19:58,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 17:19:58,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 17:19:58,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 17:19:58,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 17:19:58,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 17:19:58,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 17:19:58,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 17:19:58,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 17:19:58,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 17:19:58,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 17:19:58,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-05 17:19:58,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-05 17:19:58,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-05 17:19:58,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-05 17:19:58,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-05 17:19:58,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-05 17:19:58,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 17:19:58,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 17:19:58,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 17:19:58,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 17:19:58,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 17:19:58,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 17:19:58,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 17:19:58,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 17:19:58,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 17:19:58,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 17:19:58,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 17:19:58,061 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 17:19:58,077 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 17:19:58,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 17:19:58,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 17:19:58,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 17:19:58,081 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 17:19:58,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 17:19:58,082 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 17:19:58,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 17:19:58,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 17:19:58,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 17:19:58,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 17:19:58,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 17:19:58,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 17:19:58,083 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 17:19:58,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 17:19:58,085 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 17:19:58,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 17:19:58,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 17:19:58,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 17:19:58,085 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 17:19:58,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 17:19:58,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 17:19:58,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 17:19:58,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 17:19:58,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 17:19:58,087 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 17:19:58,087 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 17:19:58,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 17:19:58,087 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 17:19:58,145 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 17:19:58,156 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 17:19:58,159 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 17:19:58,160 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 17:19:58,161 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 17:19:58,162 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem05_label18.c [2019-09-05 17:19:58,224 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1821f5212/b8c8540a3f7b41ff8d9d023a799eb85a/FLAGb188ae56a [2019-09-05 17:19:59,402 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 17:19:59,405 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem05_label18.c [2019-09-05 17:19:59,468 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1821f5212/b8c8540a3f7b41ff8d9d023a799eb85a/FLAGb188ae56a [2019-09-05 17:19:59,622 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1821f5212/b8c8540a3f7b41ff8d9d023a799eb85a [2019-09-05 17:19:59,634 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 17:19:59,636 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 17:19:59,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 17:19:59,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 17:19:59,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 17:19:59,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 05:19:59" (1/1) ... [2019-09-05 17:19:59,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c157ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:19:59, skipping insertion in model container [2019-09-05 17:19:59,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 05:19:59" (1/1) ... [2019-09-05 17:19:59,656 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 17:19:59,864 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 17:20:01,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 17:20:01,929 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 17:20:03,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 17:20:03,283 INFO L192 MainTranslator]: Completed translation [2019-09-05 17:20:03,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:20:03 WrapperNode [2019-09-05 17:20:03,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 17:20:03,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 17:20:03,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 17:20:03,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 17:20:03,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:20:03" (1/1) ... [2019-09-05 17:20:03,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:20:03" (1/1) ... [2019-09-05 17:20:03,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:20:03" (1/1) ... [2019-09-05 17:20:03,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:20:03" (1/1) ... [2019-09-05 17:20:03,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:20:03" (1/1) ... [2019-09-05 17:20:03,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:20:03" (1/1) ... [2019-09-05 17:20:03,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:20:03" (1/1) ... [2019-09-05 17:20:03,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 17:20:03,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 17:20:03,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 17:20:03,741 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 17:20:03,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:20:03" (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 17:20:03,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 17:20:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 17:20:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-05 17:20:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-05 17:20:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-09-05 17:20:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-09-05 17:20:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-09-05 17:20:03,811 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2019-09-05 17:20:03,812 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2019-09-05 17:20:03,812 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2019-09-05 17:20:03,812 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 17:20:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-05 17:20:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-05 17:20:03,812 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-09-05 17:20:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-09-05 17:20:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-09-05 17:20:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2019-09-05 17:20:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2019-09-05 17:20:03,813 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2019-09-05 17:20:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 17:20:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 17:20:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-05 17:20:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 17:20:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 17:20:03,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 17:20:11,812 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 17:20:11,813 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 17:20:11,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 05:20:11 BoogieIcfgContainer [2019-09-05 17:20:11,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 17:20:11,816 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 17:20:11,816 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 17:20:11,817 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 17:20:11,818 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 05:20:11" (1/1) ... [2019-09-05 17:20:11,818 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 17:20:11,845 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 17:20:11,845 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 17:20:11,878 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 17:20:11,891 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 17:20:11,893 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 17:20:11,987 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 63 for LOIs [2019-09-05 17:25:07,408 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 68 for LOIs [2019-09-05 17:25:19,750 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output2 with input of size 94 for LOIs [2019-09-05 17:25:34,841 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output3 with input of size 94 for LOIs [2019-09-05 17:25:49,554 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output4 with input of size 94 for LOIs [2019-09-05 17:26:03,792 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output5 with input of size 94 for LOIs [2019-09-05 17:26:19,136 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output6 with input of size 94 for LOIs [2019-09-05 17:26:33,893 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output7 with input of size 94 for LOIs [2019-09-05 17:26:48,429 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output8 with input of size 94 for LOIs [2019-09-05 17:26:54,611 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 17:26:54,611 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 17:26:54,614 INFO L193 IcfgInterpreter]: Reachable states at location calculate_output8Err0ASSERT_VIOLATIONERROR_FUNCTION satisfy 47156#(and (<= ~b~0 2) (<= 1 ~a27~0) (<= 5 ~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) (<= 1 ~a15~0) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 calculate_output8_~input) (<= 1 ~a25~0) (<= ~d~0 4) (<= ~a20~0 5) (<= 1 ~a16~0) (<= 13 ~a2~0) (<= 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|) (<= ~a12~0 5) (<= |old(~a9~0)| 18) (<= ~a15~0 1) (<= ~e~0 5) (<= ~a2~0 13)) [2019-09-05 17:26:54,630 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 17:26:54,631 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 17:26:54,634 INFO L168 Benchmark]: Toolchain (without parser) took 414996.41 ms. Allocated memory was 173.5 MB in the beginning and 3.6 GB in the end (delta: 3.4 GB). Free memory was 138.9 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2019-09-05 17:26:54,635 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 131.1 MB. Free memory was 104.1 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 17:26:54,636 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3644.26 ms. Allocated memory was 173.5 MB in the beginning and 291.5 MB in the end (delta: 118.0 MB). Free memory was 138.2 MB in the beginning and 173.8 MB in the end (delta: -35.6 MB). Peak memory consumption was 215.1 MB. Max. memory is 7.1 GB. [2019-09-05 17:26:54,636 INFO L168 Benchmark]: Boogie Preprocessor took 456.43 ms. Allocated memory is still 291.5 MB. Free memory was 173.8 MB in the beginning and 114.4 MB in the end (delta: 59.4 MB). Peak memory consumption was 59.4 MB. Max. memory is 7.1 GB. [2019-09-05 17:26:54,638 INFO L168 Benchmark]: RCFGBuilder took 8074.73 ms. Allocated memory was 291.5 MB in the beginning and 662.7 MB in the end (delta: 371.2 MB). Free memory was 114.4 MB in the beginning and 327.1 MB in the end (delta: -212.8 MB). Peak memory consumption was 286.7 MB. Max. memory is 7.1 GB. [2019-09-05 17:26:54,639 INFO L168 Benchmark]: Sifa took 402814.39 ms. Allocated memory was 662.7 MB in the beginning and 3.6 GB in the end (delta: 2.9 GB). Free memory was 327.1 MB in the beginning and 1.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2019-09-05 17:26:54,643 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 131.1 MB. Free memory was 104.1 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3644.26 ms. Allocated memory was 173.5 MB in the beginning and 291.5 MB in the end (delta: 118.0 MB). Free memory was 138.2 MB in the beginning and 173.8 MB in the end (delta: -35.6 MB). Peak memory consumption was 215.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 456.43 ms. Allocated memory is still 291.5 MB. Free memory was 173.8 MB in the beginning and 114.4 MB in the end (delta: 59.4 MB). Peak memory consumption was 59.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8074.73 ms. Allocated memory was 291.5 MB in the beginning and 662.7 MB in the end (delta: 371.2 MB). Free memory was 114.4 MB in the beginning and 327.1 MB in the end (delta: -212.8 MB). Peak memory consumption was 286.7 MB. Max. memory is 7.1 GB. * Sifa took 402814.39 ms. Allocated memory was 662.7 MB in the beginning and 3.6 GB in the end (delta: 2.9 GB). Free memory was 327.1 MB in the beginning and 1.5 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.8 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]: 402770, ICFG_INTERPRETER_ENTERED_PROCEDURES: 10, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 23984, DAG_INTERPRETER_EARLY_EXITS: 1262, TOOLS_POST_APPLICATIONS: 22777, TOOLS_POST_TIME[ms]: 16146, TOOLS_POST_CALL_APPLICATIONS: 42, TOOLS_POST_CALL_TIME[ms]: 275, TOOLS_POST_RETURN_APPLICATIONS: 33, TOOLS_POST_RETURN_TIME[ms]: 188, TOOLS_QUANTIFIERELIM_TIME[ms]: 12554, FLUID_QUERY_TIME[ms]: 192, FLUID_QUERIES: 23988, FLUID_YES_ANSWERS: 16439, DOMAIN_JOIN_APPLICATIONS: 7860, DOMAIN_JOIN_TIME[ms]: 13303, DOMAIN_ALPHA_APPLICATIONS: 16439, DOMAIN_ALPHA_TIME[ms]: 341664, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 3, DOMAIN_ISSUBSETEQ_APPLICATIONS: 52, DOMAIN_ISSUBSETEQ_TIME[ms]: 161, DOMAIN_ISBOTTOM_APPLICATIONS: 10206, DOMAIN_ISBOTTOM_TIME[ms]: 28620, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 295409, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 295408, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 33, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 295368, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 15, PATH_EXPR_TIME[ms]: 121, REGEX_TO_DAG_TIME[ms]: 30, DAG_COMPRESSION_TIME[ms]: 892, DAG_COMPRESSION_PROCESSED_NODES: 92009, DAG_COMPRESSION_RETAINED_NODES: 9004 - UnprovableResult [Line: 10970]: 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 47156#(and (<= ~b~0 2) (<= 1 ~a27~0) (<= 5 ~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) (<= 1 ~a15~0) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 calculate_output8_~input) (<= 1 ~a25~0) (<= ~d~0 4) (<= ~a20~0 5) (<= 1 ~a16~0) (<= 13 ~a2~0) (<= 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|) (<= ~a12~0 5) (<= |old(~a9~0)| 18) (<= ~a15~0 1) (<= ~e~0 5) (<= ~a2~0 13)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...