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/Problem02_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:58:59,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:58:59,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:58:59,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:58:59,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:58:59,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:58:59,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:58:59,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:58:59,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:58:59,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:58:59,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:58:59,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:58:59,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:58:59,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:58:59,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:58:59,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:58:59,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:58:59,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:58:59,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:58:59,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:58:59,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:58:59,755 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:58:59,758 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:58:59,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:58:59,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 04:58:59,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 04:58:59,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 04:58:59,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 04:58:59,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 04:58:59,765 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 04:58:59,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 04:58:59,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 04:58:59,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 04:58:59,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 04:58:59,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 04:58:59,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 04:58:59,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 04:58:59,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 04:58:59,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:58:59,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:58:59,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:58:59,774 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 [2019-10-15 04:58:59,807 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:58:59,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:58:59,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:58:59,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:58:59,812 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:58:59,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:58:59,813 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:58:59,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:58:59,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:58:59,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:58:59,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:58:59,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:58:59,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:58:59,815 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:58:59,815 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:58:59,816 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:58:59,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:58:59,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:58:59,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:58:59,817 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:58:59,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:58:59,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:58:59,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:58:59,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:58:59,818 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:58:59,819 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:58:59,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:58:59,819 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:58:59,819 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 [2019-10-15 04:59:00,121 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:59:00,134 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:59:00,138 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:59:00,140 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:59:00,140 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:59:00,141 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label41.c [2019-10-15 04:59:00,220 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d26ec7d49/9833703b208b45d4953d17195e30ac71/FLAG52d79f225 [2019-10-15 04:59:00,789 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:59:00,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label41.c [2019-10-15 04:59:00,804 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d26ec7d49/9833703b208b45d4953d17195e30ac71/FLAG52d79f225 [2019-10-15 04:59:01,099 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d26ec7d49/9833703b208b45d4953d17195e30ac71 [2019-10-15 04:59:01,110 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:59:01,112 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:59:01,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:59:01,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:59:01,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:59:01,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:59:01" (1/1) ... [2019-10-15 04:59:01,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40686fd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:01, skipping insertion in model container [2019-10-15 04:59:01,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:59:01" (1/1) ... [2019-10-15 04:59:01,134 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:59:01,197 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:59:01,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:59:01,721 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:59:01,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:59:01,840 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:59:01,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:01 WrapperNode [2019-10-15 04:59:01,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:59:01,845 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:59:01,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:59:01,845 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:59:01,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:01" (1/1) ... [2019-10-15 04:59:01,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:01" (1/1) ... [2019-10-15 04:59:01,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:01" (1/1) ... [2019-10-15 04:59:01,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:01" (1/1) ... [2019-10-15 04:59:01,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:01" (1/1) ... [2019-10-15 04:59:01,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:01" (1/1) ... [2019-10-15 04:59:01,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:01" (1/1) ... [2019-10-15 04:59:01,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:59:01,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:59:01,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:59:01,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:59:01,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:59:01" (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 [2019-10-15 04:59:02,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:59:02,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:59:02,034 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 04:59:02,034 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:59:02,034 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 04:59:02,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:59:02,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:59:02,035 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 04:59:02,035 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:59:02,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:59:02,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:59:04,036 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:59:04,037 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 04:59:04,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:59:04 BoogieIcfgContainer [2019-10-15 04:59:04,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:59:04,040 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 04:59:04,040 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 04:59:04,040 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 04:59:04,043 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:59:04" (1/1) ... [2019-10-15 04:59:04,044 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 [2019-10-15 04:59:04,080 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 04:59:04,080 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 04:59:04,097 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 04:59:04,107 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 04:59:04,109 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 04:59:04,452 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 87 for LOIs [2019-10-15 04:59:04,986 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2019-10-15 04:59:05,003 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2019-10-15 04:59:05,020 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2019-10-15 04:59:05,113 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 20 [2019-10-15 04:59:05,127 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 51 [2019-10-15 04:59:06,379 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 78 for LOIs [2019-10-15 04:59:07,076 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2019-10-15 04:59:07,096 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2019-10-15 04:59:07,158 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 04:59:07,175 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 04:59:07,175 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 04:59:07,180 INFO L168 Benchmark]: Toolchain (without parser) took 6065.04 ms. Allocated memory was 147.3 MB in the beginning and 320.9 MB in the end (delta: 173.5 MB). Free memory was 103.8 MB in the beginning and 108.7 MB in the end (delta: -5.0 MB). Peak memory consumption was 168.6 MB. Max. memory is 7.1 GB. [2019-10-15 04:59:07,181 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 147.3 MB. Free memory is still 123.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 04:59:07,183 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.17 ms. Allocated memory was 147.3 MB in the beginning and 205.5 MB in the end (delta: 58.2 MB). Free memory was 103.3 MB in the beginning and 168.4 MB in the end (delta: -65.1 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-10-15 04:59:07,184 INFO L168 Benchmark]: Boogie Preprocessor took 124.53 ms. Allocated memory is still 205.5 MB. Free memory was 168.4 MB in the beginning and 163.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:59:07,186 INFO L168 Benchmark]: RCFGBuilder took 2069.83 ms. Allocated memory was 205.5 MB in the beginning and 246.9 MB in the end (delta: 41.4 MB). Free memory was 163.5 MB in the beginning and 183.1 MB in the end (delta: -19.6 MB). Peak memory consumption was 108.0 MB. Max. memory is 7.1 GB. [2019-10-15 04:59:07,192 INFO L168 Benchmark]: Sifa took 3135.55 ms. Allocated memory was 246.9 MB in the beginning and 320.9 MB in the end (delta: 73.9 MB). Free memory was 183.1 MB in the beginning and 108.7 MB in the end (delta: 74.4 MB). Peak memory consumption was 148.3 MB. Max. memory is 7.1 GB. [2019-10-15 04:59:07,202 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 147.3 MB. Free memory is still 123.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 727.17 ms. Allocated memory was 147.3 MB in the beginning and 205.5 MB in the end (delta: 58.2 MB). Free memory was 103.3 MB in the beginning and 168.4 MB in the end (delta: -65.1 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.53 ms. Allocated memory is still 205.5 MB. Free memory was 168.4 MB in the beginning and 163.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2069.83 ms. Allocated memory was 205.5 MB in the beginning and 246.9 MB in the end (delta: 41.4 MB). Free memory was 163.5 MB in the beginning and 183.1 MB in the end (delta: -19.6 MB). Peak memory consumption was 108.0 MB. Max. memory is 7.1 GB. * Sifa took 3135.55 ms. Allocated memory was 246.9 MB in the beginning and 320.9 MB in the end (delta: 73.9 MB). Free memory was 183.1 MB in the beginning and 108.7 MB in the end (delta: 74.4 MB). Peak memory consumption was 148.3 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]: 3079, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 250, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 244, TOOLS_POST_TIME[ms]: 168, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 41, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 26, TOOLS_QUANTIFIERELIM_APPLICATIONS: 252, TOOLS_QUANTIFIERELIM_TIME[ms]: 166, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 17, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 252, FLUID_YES_ANSWERS: 114, DOMAIN_JOIN_APPLICATIONS: 81, DOMAIN_JOIN_TIME[ms]: 1329, DOMAIN_ALPHA_APPLICATIONS: 114, DOMAIN_ALPHA_TIME[ms]: 1130, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 43, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 76, DOMAIN_ISBOTTOM_TIME[ms]: 134, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1908, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1907, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1900, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1900, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 63, DAG_COMPRESSION_PROCESSED_NODES: 1344, DAG_COMPRESSION_RETAINED_NODES: 187 - UnprovableResult [Line: 442]: 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 3059#(and (<= 21 ~u~0) (<= 1 calculate_output_~input) (<= ~x~0 24) (<= 1 |calculate_output_#in~input|) (<= 6 ~f~0) (<= |calculate_output_#in~input| 6) (<= 1 ~a~0) (= ~a25~0 1) (= ~a21~0 1) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 1 ~a19~0) (<= 8 ~a28~0) (= ~a28~0 8) (<= ~a19~0 1) (= ~a19~0 1) (<= ~a28~0 8) (= ~a11~0 1) (<= ~w~0 23) (<= ~a17~0 8) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 ~a11~0) (<= 1 ~a21~0) (<= 1 ~a25~0) (<= ~d~0 4) (<= 8 ~a17~0) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= ~a21~0 1) (<= calculate_output_~input 6) (<= ~a25~0 1) (<= ~f~0 6) (<= ~a11~0 1) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (= ~a17~0 8) (<= 24 ~x~0) (<= ~e~0 5)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...