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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/eca-rers2012/Problem04_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:54:29,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:54:29,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:54:29,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 00:54:29,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 00:54:29,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 00:54:29,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 00:54:29,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 00:54:29,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 00:54:29,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 00:54:29,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 00:54:29,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 00:54:29,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 00:54:29,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 00:54:29,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 00:54:29,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 00:54:29,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 00:54:29,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 00:54:29,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 00:54:29,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 00:54:29,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 00:54:29,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 00:54:29,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 00:54:29,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 00:54:29,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 00:54:29,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 00:54:29,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 00:54:29,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 00:54:29,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 00:54:29,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 00:54:29,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 00:54:29,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 00:54:29,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 00:54:29,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 00:54:29,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 00:54:29,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 00:54:29,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 00:54:29,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 00:54:29,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:54:29,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:54:29,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:54:29,738 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 [2019-10-14 00:54:29,757 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:54:29,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:54:29,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:54:29,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:54:29,760 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:54:29,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:54:29,761 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:54:29,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:54:29,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:54:29,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:54:29,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:54:29,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:54:29,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:54:29,763 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:54:29,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:54:29,764 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:54:29,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:54:29,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:54:29,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:54:29,764 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:54:29,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:54:29,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:54:29,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:54:29,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:54:29,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:54:29,766 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:54:29,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:54:29,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:54:29,766 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-14 00:54:30,055 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:54:30,068 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:54:30,072 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:54:30,073 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:54:30,074 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:54:30,074 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label21.c [2019-10-14 00:54:30,148 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c91ee7ab/3f14cf106bcd4d68923086345c7e9714/FLAGac44d44a5 [2019-10-14 00:54:31,114 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:54:31,115 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label21.c [2019-10-14 00:54:31,164 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c91ee7ab/3f14cf106bcd4d68923086345c7e9714/FLAGac44d44a5 [2019-10-14 00:54:31,523 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c91ee7ab/3f14cf106bcd4d68923086345c7e9714 [2019-10-14 00:54:31,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:54:31,536 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:54:31,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:54:31,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:54:31,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:54:31,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:54:31" (1/1) ... [2019-10-14 00:54:31,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f36b3cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:31, skipping insertion in model container [2019-10-14 00:54:31,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:54:31" (1/1) ... [2019-10-14 00:54:31,560 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:54:31,712 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:54:33,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:54:33,347 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:54:34,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:54:34,128 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:54:34,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:34 WrapperNode [2019-10-14 00:54:34,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:54:34,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:54:34,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:54:34,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:54:34,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:34" (1/1) ... [2019-10-14 00:54:34,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:34" (1/1) ... [2019-10-14 00:54:34,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:34" (1/1) ... [2019-10-14 00:54:34,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:34" (1/1) ... [2019-10-14 00:54:34,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:34" (1/1) ... [2019-10-14 00:54:34,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:34" (1/1) ... [2019-10-14 00:54:34,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:34" (1/1) ... [2019-10-14 00:54:34,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:54:34,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:54:34,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:54:34,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:54:34,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:34" (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 [2019-10-14 00:54:34,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:54:34,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:54:34,519 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-14 00:54:34,519 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-10-14 00:54:34,519 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-10-14 00:54:34,519 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-10-14 00:54:34,520 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:54:34,522 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-14 00:54:34,522 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-10-14 00:54:34,522 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-10-14 00:54:34,522 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-10-14 00:54:34,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:54:34,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 00:54:34,524 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 00:54:34,524 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:54:34,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:54:34,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:54:40,014 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:54:40,014 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 00:54:40,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:54:40 BoogieIcfgContainer [2019-10-14 00:54:40,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:54:40,017 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 00:54:40,017 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 00:54:40,018 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 00:54:40,019 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:54:40" (1/1) ... [2019-10-14 00:54:40,020 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-14 00:54:40,050 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 00:54:40,051 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 00:54:40,075 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 00:54:40,086 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 00:54:40,088 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 00:54:40,271 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-10-14 00:54:40,453 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 103 for LOIs [2019-10-14 00:54:44,319 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 41 [2019-10-14 00:54:44,619 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13184 conjuctions. This might take some time... [2019-10-14 00:54:44,881 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 41 [2019-10-14 00:54:45,180 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13184 conjuctions. This might take some time... [2019-10-14 00:54:45,444 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 41 [2019-10-14 00:54:45,650 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13184 conjuctions. This might take some time... [2019-10-14 00:54:45,917 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 19 [2019-10-14 00:54:45,936 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 20 [2019-10-14 00:54:52,747 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 90 for LOIs [2019-10-14 00:54:55,092 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output2 with input of size 76 for LOIs [2019-10-14 00:54:58,071 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output3 with input of size 105 for LOIs [2019-10-14 00:55:00,637 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output4 with input of size 109 for LOIs [2019-10-14 00:55:01,609 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 41 [2019-10-14 00:55:02,587 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12504 conjuctions. This might take some time... [2019-10-14 00:55:03,019 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 41 [2019-10-14 00:55:03,312 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12504 conjuctions. This might take some time... [2019-10-14 00:55:03,770 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-14 00:55:03,770 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-14 00:55:03,772 INFO L193 IcfgInterpreter]: Reachable states at location calculate_output4Err0ASSERT_VIOLATIONERROR_FUNCTION satisfy 64088#(and (<= 1 ~a3~0) (= ~a28~0 16) (<= ~x~0 24) (<= ~a26~0 18) (<= 6 ~f~0) (<= 1 ~a~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (= 16 ~a4~0) (<= ~a~0 1) (<= ~d~0 4) (<= 1 calculate_output4_~input) (<= calculate_output4_~input 6) (<= 25 ~y~0) (<= 16 ~a4~0) (<= ~a25~0 1) (<= ~f~0 6) (<= 1 |calculate_output4_#in~input|) (= 1 ~a3~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 24 ~x~0) (<= 18 ~a14~0) (<= ~a14~0 18) (= ~a14~0 18) (<= ~b~0 2) (<= 21 ~u~0) (<= |calculate_output4_#in~input| 6) (= ~a26~0 18) (not (= 1 ~a7~0)) (= ~a25~0 1) (<= 23 ~w~0) (<= ~w~0 23) (<= ~a4~0 16) (<= ~a28~0 16) (<= 5 ~e~0) (<= 16 ~a28~0) (= 1 ~a1~0) (<= 1 ~a25~0) (<= ~a3~0 1) (<= ~y~0 25) (<= 22 ~v~0) (<= 1 ~a1~0) (<= 2 ~b~0) (<= 4 ~d~0) (<= 18 ~a26~0) (<= ~a1~0 1) (<= ~e~0 5)) [2019-10-14 00:55:03,785 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-14 00:55:03,786 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-14 00:55:03,788 INFO L168 Benchmark]: Toolchain (without parser) took 32251.59 ms. Allocated memory was 137.4 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 86.9 MB in the beginning and 578.1 MB in the end (delta: -491.2 MB). Peak memory consumption was 567.8 MB. Max. memory is 7.1 GB. [2019-10-14 00:55:03,789 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 137.4 MB. Free memory is still 120.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-14 00:55:03,792 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2588.68 ms. Allocated memory was 137.4 MB in the beginning and 256.4 MB in the end (delta: 119.0 MB). Free memory was 86.5 MB in the beginning and 172.3 MB in the end (delta: -85.8 MB). Peak memory consumption was 117.8 MB. Max. memory is 7.1 GB. [2019-10-14 00:55:03,793 INFO L168 Benchmark]: Boogie Preprocessor took 307.66 ms. Allocated memory is still 256.4 MB. Free memory was 172.3 MB in the beginning and 143.4 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. [2019-10-14 00:55:03,794 INFO L168 Benchmark]: RCFGBuilder took 5578.14 ms. Allocated memory was 256.4 MB in the beginning and 407.4 MB in the end (delta: 151.0 MB). Free memory was 143.4 MB in the beginning and 94.9 MB in the end (delta: 48.5 MB). Peak memory consumption was 218.9 MB. Max. memory is 7.1 GB. [2019-10-14 00:55:03,801 INFO L168 Benchmark]: Sifa took 23768.67 ms. Allocated memory was 407.4 MB in the beginning and 1.2 GB in the end (delta: 789.1 MB). Free memory was 94.9 MB in the beginning and 578.1 MB in the end (delta: -483.2 MB). Peak memory consumption was 305.9 MB. Max. memory is 7.1 GB. [2019-10-14 00:55:03,812 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 137.4 MB. Free memory is still 120.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2588.68 ms. Allocated memory was 137.4 MB in the beginning and 256.4 MB in the end (delta: 119.0 MB). Free memory was 86.5 MB in the beginning and 172.3 MB in the end (delta: -85.8 MB). Peak memory consumption was 117.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 307.66 ms. Allocated memory is still 256.4 MB. Free memory was 172.3 MB in the beginning and 143.4 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5578.14 ms. Allocated memory was 256.4 MB in the beginning and 407.4 MB in the end (delta: 151.0 MB). Free memory was 143.4 MB in the beginning and 94.9 MB in the end (delta: 48.5 MB). Peak memory consumption was 218.9 MB. Max. memory is 7.1 GB. * Sifa took 23768.67 ms. Allocated memory was 407.4 MB in the beginning and 1.2 GB in the end (delta: 789.1 MB). Free memory was 94.9 MB in the beginning and 578.1 MB in the end (delta: -483.2 MB). Peak memory consumption was 305.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 23721, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 2293, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 2281, TOOLS_POST_TIME[ms]: 866, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME[ms]: 71, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 24, TOOLS_QUANTIFIERELIM_APPLICATIONS: 2298, TOOLS_QUANTIFIERELIM_TIME[ms]: 603, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 20, FLUID_QUERY_TIME[ms]: 44, FLUID_QUERIES: 2295, FLUID_YES_ANSWERS: 1574, DOMAIN_JOIN_APPLICATIONS: 759, DOMAIN_JOIN_TIME[ms]: 5557, DOMAIN_ALPHA_APPLICATIONS: 1574, DOMAIN_ALPHA_TIME[ms]: 15285, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 38, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 4, DOMAIN_ISBOTTOM_APPLICATIONS: 751, DOMAIN_ISBOTTOM_TIME[ms]: 998, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 12271, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12270, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12355, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12355, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 11, PATH_EXPR_TIME[ms]: 122, REGEX_TO_DAG_TIME[ms]: 17, DAG_COMPRESSION_TIME[ms]: 343, DAG_COMPRESSION_PROCESSED_NODES: 37545, DAG_COMPRESSION_RETAINED_NODES: 1561 - UnprovableResult [Line: 4745]: 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 64088#(and (<= 1 ~a3~0) (= ~a28~0 16) (<= ~x~0 24) (<= ~a26~0 18) (<= 6 ~f~0) (<= 1 ~a~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (= 16 ~a4~0) (<= ~a~0 1) (<= ~d~0 4) (<= 1 calculate_output4_~input) (<= calculate_output4_~input 6) (<= 25 ~y~0) (<= 16 ~a4~0) (<= ~a25~0 1) (<= ~f~0 6) (<= 1 |calculate_output4_#in~input|) (= 1 ~a3~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 24 ~x~0) (<= 18 ~a14~0) (<= ~a14~0 18) (= ~a14~0 18) (<= ~b~0 2) (<= 21 ~u~0) (<= |calculate_output4_#in~input| 6) (= ~a26~0 18) (not (= 1 ~a7~0)) (= ~a25~0 1) (<= 23 ~w~0) (<= ~w~0 23) (<= ~a4~0 16) (<= ~a28~0 16) (<= 5 ~e~0) (<= 16 ~a28~0) (= 1 ~a1~0) (<= 1 ~a25~0) (<= ~a3~0 1) (<= ~y~0 25) (<= 22 ~v~0) (<= 1 ~a1~0) (<= 2 ~b~0) (<= 4 ~d~0) (<= 18 ~a26~0) (<= ~a1~0 1) (<= ~e~0 5)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces