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_label09.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-05 17:13:11,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 17:13:11,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 17:13:11,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 17:13:11,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 17:13:11,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 17:13:11,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 17:13:11,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 17:13:11,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 17:13:11,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 17:13:11,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 17:13:11,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 17:13:11,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 17:13:11,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 17:13:11,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 17:13:11,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 17:13:11,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 17:13:11,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 17:13:11,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 17:13:11,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 17:13:11,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 17:13:11,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 17:13:11,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 17:13:11,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 17:13:11,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-05 17:13:11,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-05 17:13:11,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-05 17:13:11,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-05 17:13:11,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-05 17:13:11,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-05 17:13:11,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 17:13:11,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 17:13:11,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 17:13:11,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 17:13:11,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 17:13:11,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 17:13:11,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 17:13:11,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 17:13:11,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 17:13:11,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 17:13:11,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 17:13:11,757 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 17:13:11,771 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 17:13:11,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 17:13:11,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 17:13:11,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 17:13:11,773 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 17:13:11,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 17:13:11,774 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 17:13:11,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 17:13:11,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 17:13:11,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 17:13:11,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 17:13:11,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 17:13:11,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 17:13:11,775 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 17:13:11,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 17:13:11,776 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 17:13:11,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 17:13:11,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 17:13:11,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 17:13:11,776 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 17:13:11,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 17:13:11,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 17:13:11,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 17:13:11,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 17:13:11,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 17:13:11,778 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 17:13:11,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 17:13:11,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 17:13:11,778 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 17:13:11,808 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 17:13:11,820 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 17:13:11,824 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 17:13:11,825 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 17:13:11,826 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 17:13:11,827 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem05_label09.c [2019-09-05 17:13:11,888 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/285a4e300/d6a31bfc253042eca1f31d21541b385b/FLAG662f09ebc [2019-09-05 17:13:12,821 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 17:13:12,822 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem05_label09.c [2019-09-05 17:13:12,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/285a4e300/d6a31bfc253042eca1f31d21541b385b/FLAG662f09ebc [2019-09-05 17:13:13,175 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/285a4e300/d6a31bfc253042eca1f31d21541b385b [2019-09-05 17:13:13,188 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 17:13:13,190 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 17:13:13,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 17:13:13,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 17:13:13,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 17:13:13,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 05:13:13" (1/1) ... [2019-09-05 17:13:13,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72d2eccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:13:13, skipping insertion in model container [2019-09-05 17:13:13,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 05:13:13" (1/1) ... [2019-09-05 17:13:13,207 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 17:13:13,477 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 17:13:16,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 17:13:16,069 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 17:13:17,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 17:13:17,559 INFO L192 MainTranslator]: Completed translation [2019-09-05 17:13:17,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:13:17 WrapperNode [2019-09-05 17:13:17,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 17:13:17,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 17:13:17,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 17:13:17,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 17:13:17,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:13:17" (1/1) ... [2019-09-05 17:13:17,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:13:17" (1/1) ... [2019-09-05 17:13:17,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:13:17" (1/1) ... [2019-09-05 17:13:17,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:13:17" (1/1) ... [2019-09-05 17:13:17,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:13:17" (1/1) ... [2019-09-05 17:13:17,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:13:17" (1/1) ... [2019-09-05 17:13:17,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:13:17" (1/1) ... [2019-09-05 17:13:18,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 17:13:18,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 17:13:18,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 17:13:18,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 17:13:18,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 05:13:17" (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 17:13:18,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 17:13:18,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 17:13:18,070 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-05 17:13:18,071 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-05 17:13:18,071 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-09-05 17:13:18,071 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-09-05 17:13:18,071 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2019-09-05 17:13:18,071 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2019-09-05 17:13:18,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2019-09-05 17:13:18,072 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2019-09-05 17:13:18,073 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 17:13:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-05 17:13:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-05 17:13:18,074 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-09-05 17:13:18,074 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-09-05 17:13:18,074 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2019-09-05 17:13:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2019-09-05 17:13:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2019-09-05 17:13:18,076 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2019-09-05 17:13:18,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 17:13:18,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 17:13:18,076 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-05 17:13:18,076 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 17:13:18,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 17:13:18,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 17:13:26,419 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 17:13:26,419 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 17:13:26,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 05:13:26 BoogieIcfgContainer [2019-09-05 17:13:26,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 17:13:26,423 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 17:13:26,423 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 17:13:26,423 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 17:13:26,425 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 05:13:26" (1/1) ... [2019-09-05 17:13:26,425 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 17:13:26,450 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 17:13:26,450 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 17:13:26,471 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 17:13:26,481 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 17:13:26,483 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 17:13:26,575 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 63 for LOIs [2019-09-05 17:18:21,273 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 68 for LOIs [2019-09-05 17:18:33,390 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output2 with input of size 94 for LOIs [2019-09-05 17:18:48,327 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output3 with input of size 94 for LOIs [2019-09-05 17:19:02,915 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output4 with input of size 94 for LOIs [2019-09-05 17:19:17,167 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output5 with input of size 94 for LOIs [2019-09-05 17:19:32,646 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output6 with input of size 94 for LOIs [2019-09-05 17:19:47,438 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output7 with input of size 94 for LOIs [2019-09-05 17:20:01,738 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output8 with input of size 94 for LOIs [2019-09-05 17:20:12,551 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 17:20:12,552 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 17:20:12,554 INFO L193 IcfgInterpreter]: Reachable states at location calculate_output8Err0ASSERT_VIOLATIONERROR_FUNCTION satisfy 48627#(and (<= 9 ~a2~0) (<= ~b~0 2) (<= 1 ~a27~0) (<= |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) (<= 4 ~a12~0) (<= 1 ~a15~0) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 calculate_output8_~input) (<= 1 ~a25~0) (<= ~d~0 4) (<= ~a2~0 9) (<= ~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) (<= ~a12~0 4) (<= calculate_output8_~input 6) (<= 1 |calculate_output8_#in~input|) (<= |old(~a9~0)| 18) (<= ~a15~0 1) (<= ~e~0 5)) [2019-09-05 17:20:12,571 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 17:20:12,572 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 17:20:12,574 INFO L168 Benchmark]: Toolchain (without parser) took 419383.88 ms. Allocated memory was 173.5 MB in the beginning and 3.6 GB in the end (delta: 3.4 GB). Free memory was 138.8 MB in the beginning and 1.1 GB in the end (delta: -925.8 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2019-09-05 17:20:12,575 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 17:20:12,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4367.51 ms. Allocated memory was 173.5 MB in the beginning and 292.6 MB in the end (delta: 119.0 MB). Free memory was 138.8 MB in the beginning and 185.0 MB in the end (delta: -46.3 MB). Peak memory consumption was 217.1 MB. Max. memory is 7.1 GB. [2019-09-05 17:20:12,577 INFO L168 Benchmark]: Boogie Preprocessor took 445.97 ms. Allocated memory is still 292.6 MB. Free memory was 185.0 MB in the beginning and 125.5 MB in the end (delta: 59.5 MB). Peak memory consumption was 59.5 MB. Max. memory is 7.1 GB. [2019-09-05 17:20:12,578 INFO L168 Benchmark]: RCFGBuilder took 8415.99 ms. Allocated memory was 292.6 MB in the beginning and 648.0 MB in the end (delta: 355.5 MB). Free memory was 125.5 MB in the beginning and 289.1 MB in the end (delta: -163.6 MB). Peak memory consumption was 293.7 MB. Max. memory is 7.1 GB. [2019-09-05 17:20:12,579 INFO L168 Benchmark]: Sifa took 406149.06 ms. Allocated memory was 648.0 MB in the beginning and 3.6 GB in the end (delta: 3.0 GB). Free memory was 288.9 MB in the beginning and 1.1 GB in the end (delta: -775.7 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2019-09-05 17:20:12,583 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 4367.51 ms. Allocated memory was 173.5 MB in the beginning and 292.6 MB in the end (delta: 119.0 MB). Free memory was 138.8 MB in the beginning and 185.0 MB in the end (delta: -46.3 MB). Peak memory consumption was 217.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 445.97 ms. Allocated memory is still 292.6 MB. Free memory was 185.0 MB in the beginning and 125.5 MB in the end (delta: 59.5 MB). Peak memory consumption was 59.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8415.99 ms. Allocated memory was 292.6 MB in the beginning and 648.0 MB in the end (delta: 355.5 MB). Free memory was 125.5 MB in the beginning and 289.1 MB in the end (delta: -163.6 MB). Peak memory consumption was 293.7 MB. Max. memory is 7.1 GB. * Sifa took 406149.06 ms. Allocated memory was 648.0 MB in the beginning and 3.6 GB in the end (delta: 3.0 GB). Free memory was 288.9 MB in the beginning and 1.1 GB in the end (delta: -775.7 MB). Peak memory consumption was 2.2 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]: 406105, ICFG_INTERPRETER_ENTERED_PROCEDURES: 10, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 25169, DAG_INTERPRETER_EARLY_EXITS: 1357, TOOLS_POST_APPLICATIONS: 23794, TOOLS_POST_TIME[ms]: 16757, TOOLS_POST_CALL_APPLICATIONS: 42, TOOLS_POST_CALL_TIME[ms]: 271, TOOLS_POST_RETURN_APPLICATIONS: 33, TOOLS_POST_RETURN_TIME[ms]: 187, TOOLS_QUANTIFIERELIM_TIME[ms]: 12822, FLUID_QUERY_TIME[ms]: 229, FLUID_QUERIES: 25173, FLUID_YES_ANSWERS: 16663, DOMAIN_JOIN_APPLICATIONS: 8090, DOMAIN_JOIN_TIME[ms]: 14787, DOMAIN_ALPHA_APPLICATIONS: 16663, DOMAIN_ALPHA_TIME[ms]: 341251, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 3, DOMAIN_ISSUBSETEQ_APPLICATIONS: 52, DOMAIN_ISSUBSETEQ_TIME[ms]: 153, DOMAIN_ISBOTTOM_APPLICATIONS: 10606, DOMAIN_ISBOTTOM_TIME[ms]: 30064, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 294686, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 294685, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 33, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 294653, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 13, PATH_EXPR_TIME[ms]: 122, REGEX_TO_DAG_TIME[ms]: 27, DAG_COMPRESSION_TIME[ms]: 860, DAG_COMPRESSION_PROCESSED_NODES: 96802, DAG_COMPRESSION_RETAINED_NODES: 11125 - UnprovableResult [Line: 11060]: 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 48627#(and (<= 9 ~a2~0) (<= ~b~0 2) (<= 1 ~a27~0) (<= |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) (<= 4 ~a12~0) (<= 1 ~a15~0) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 calculate_output8_~input) (<= 1 ~a25~0) (<= ~d~0 4) (<= ~a2~0 9) (<= ~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) (<= ~a12~0 4) (<= calculate_output8_~input 6) (<= 1 |calculate_output8_#in~input|) (<= |old(~a9~0)| 18) (<= ~a15~0 1) (<= ~e~0 5)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...