/usr/bin/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/loop-invgen/apache-get-tag.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:09:56,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:09:56,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:09:56,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:09:56,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:09:56,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:09:56,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:09:56,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:09:56,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:09:56,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:09:56,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:09:56,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:09:56,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:09:56,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:09:56,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:09:56,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:09:56,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:09:56,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:09:56,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:09:56,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:09:56,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:09:56,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:09:56,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:09:56,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:09:56,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:09:56,857 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:09:56,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:09:56,859 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:09:56,860 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:09:56,862 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:09:56,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:09:56,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:09:56,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:09:56,864 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:09:56,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:09:56,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:09:56,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:09:56,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:09:56,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:09:56,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:09:56,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:09:56,870 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 [2019-11-07 10:09:56,904 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:09:56,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:09:56,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:09:56,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:09:56,910 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:09:56,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:09:56,910 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:09:56,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:09:56,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:09:56,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:09:56,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:09:56,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:09:56,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:09:56,914 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:09:56,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:09:56,914 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:09:56,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:09:56,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:09:56,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:09:56,916 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:09:56,917 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:09:56,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:09:56,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:09:56,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:09:56,918 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:09:56,918 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:09:56,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:09:56,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:09:56,918 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 [2019-11-07 10:09:57,252 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:09:57,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:09:57,278 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:09:57,280 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:09:57,280 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:09:57,281 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2019-11-07 10:09:57,355 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f17f710d1/0595ba1c21f04f2d96c58dbadccc13b2/FLAG6ca520270 [2019-11-07 10:09:57,809 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:09:57,810 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2019-11-07 10:09:57,818 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f17f710d1/0595ba1c21f04f2d96c58dbadccc13b2/FLAG6ca520270 [2019-11-07 10:09:58,187 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f17f710d1/0595ba1c21f04f2d96c58dbadccc13b2 [2019-11-07 10:09:58,198 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:09:58,200 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:09:58,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:09:58,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:09:58,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:09:58,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:09:58" (1/1) ... [2019-11-07 10:09:58,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19fb3d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:58, skipping insertion in model container [2019-11-07 10:09:58,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:09:58" (1/1) ... [2019-11-07 10:09:58,216 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:09:58,255 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:09:58,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:09:58,555 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:09:58,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:09:58,699 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:09:58,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:58 WrapperNode [2019-11-07 10:09:58,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:09:58,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:09:58,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:09:58,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:09:58,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:58" (1/1) ... [2019-11-07 10:09:58,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:58" (1/1) ... [2019-11-07 10:09:58,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:58" (1/1) ... [2019-11-07 10:09:58,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:58" (1/1) ... [2019-11-07 10:09:58,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:58" (1/1) ... [2019-11-07 10:09:58,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:58" (1/1) ... [2019-11-07 10:09:58,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:58" (1/1) ... [2019-11-07 10:09:58,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:09:58,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:09:58,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:09:58,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:09:58,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:09:58" (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 [2019-11-07 10:09:58,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:09:58,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:09:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:09:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:09:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 10:09:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 10:09:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:09:58,843 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:09:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:09:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:09:59,331 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:09:59,331 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 10:09:59,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:09:59 BoogieIcfgContainer [2019-11-07 10:09:59,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:09:59,333 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:09:59,333 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:09:59,333 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:09:59,335 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:09:59" (1/1) ... [2019-11-07 10:09:59,335 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 [2019-11-07 10:09:59,357 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2019-11-07 10:09:59,357 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:09:59,365 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:09:59,373 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:09:59,375 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:09:59,427 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 16 for LOIs [2019-11-07 10:09:59,745 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-11-07 10:10:01,075 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:10:01,124 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:10:01,125 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:10:01,127 INFO L168 Benchmark]: Toolchain (without parser) took 2927.22 ms. Allocated memory was 145.8 MB in the beginning and 245.9 MB in the end (delta: 100.1 MB). Free memory was 103.7 MB in the beginning and 173.4 MB in the end (delta: -69.7 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. [2019-11-07 10:10:01,129 INFO L168 Benchmark]: CDTParser took 1.17 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-07 10:10:01,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 499.60 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 103.3 MB in the beginning and 181.9 MB in the end (delta: -78.7 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-11-07 10:10:01,131 INFO L168 Benchmark]: Boogie Preprocessor took 72.57 ms. Allocated memory is still 202.9 MB. Free memory was 181.9 MB in the beginning and 179.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-11-07 10:10:01,134 INFO L168 Benchmark]: RCFGBuilder took 559.15 ms. Allocated memory is still 202.9 MB. Free memory was 179.2 MB in the beginning and 153.9 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2019-11-07 10:10:01,138 INFO L168 Benchmark]: Sifa took 1791.96 ms. Allocated memory was 202.9 MB in the beginning and 245.9 MB in the end (delta: 43.0 MB). Free memory was 153.9 MB in the beginning and 173.4 MB in the end (delta: -19.4 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:10:01,144 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.17 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 499.60 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 103.3 MB in the beginning and 181.9 MB in the end (delta: -78.7 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 72.57 ms. Allocated memory is still 202.9 MB. Free memory was 181.9 MB in the beginning and 179.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 559.15 ms. Allocated memory is still 202.9 MB. Free memory was 179.2 MB in the beginning and 153.9 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Sifa took 1791.96 ms. Allocated memory was 202.9 MB in the beginning and 245.9 MB in the end (delta: 43.0 MB). Free memory was 153.9 MB in the beginning and 173.4 MB in the end (delta: -19.4 MB). Peak memory consumption was 23.6 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]: 1721, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 27, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 102, TOOLS_POST_TIME[ms]: 105, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 20, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 105, TOOLS_QUANTIFIERELIM_TIME[ms]: 78, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 131, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 11, DOMAIN_JOIN_TIME[ms]: 987, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 348, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 12, DOMAIN_ISBOTTOM_APPLICATIONS: 27, DOMAIN_ISBOTTOM_TIME[ms]: 112, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 597, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 597, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 3, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 53, DAG_COMPRESSION_PROCESSED_NODES: 1553, DAG_COMPRESSION_RETAINED_NODES: 157 - PositiveResult [Line: 137]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 149]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 47]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 171]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 109]: 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 212#(and (<= 0 main_~main__tagbuf_len~0) (<= 0 ~__tmp_383_0~0) (<= 0 (+ main_~main____CPAchecker_TMP_4~0 2147483648)) (<= 0 (+ main_~main____CPAchecker_TMP_0~0 2147483648)) (<= main_~main__tagbuf_len~0 2147483646) (<= main_~main____CPAchecker_TMP_4~0 2147483647) (<= 0 ~__return_main~0) (<= 0 |old(~__return_305~0)|) (<= 0 (+ main_~main____CPAchecker_TMP_3~0 2147483648)) (<= main_~__VERIFIER_assert__cond~4 1) (<= ~__return_main~0 0) (<= main_~main__t~0 2147483647) (<= 1 main_~main__t~0) (<= 0 |old(~__tmp_259_0~0)|) (<= 0 main_~main____CPAchecker_TMP_2~0) (<= main_~main____CPAchecker_TMP_3~0 2147483647) (<= 0 ~__return_305~0) (<= ~__tmp_259_0~0 2147483647) (= main_~__VERIFIER_assert__cond~4 0) (<= |old(~__tmp_259_0~0)| 0) (<= |old(~__tmp_383_0~0)| 0) (<= main_~main____CPAchecker_TMP_0~0 2147483647) (<= ~__tmp_383_0~0 0) (<= main_~__tmp_5~0 1) (<= ~__return_305~0 0) (<= 0 (+ ~__tmp_259_0~0 2147483648)) (<= 0 |old(~__tmp_383_0~0)|) (<= 0 main_~__tmp_5~0) (<= main_~main____CPAchecker_TMP_2~0 2147483646) (<= |old(~__return_305~0)| 0) (= |old(~__return_305~0)| 0) (= |old(~__tmp_383_0~0)| 0) (= ~__return_main~0 0) (<= 0 main_~__VERIFIER_assert__cond~4) (= |old(~__tmp_259_0~0)| 0)). Possible FailurePath: - UnprovableResult [Line: 121]: 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 235#(and (<= 0 main_~main__tagbuf_len~0) (<= 0 ~__tmp_383_0~0) (<= 0 (+ main_~main____CPAchecker_TMP_4~0 2147483648)) (<= 0 (+ main_~main____CPAchecker_TMP_0~0 2147483648)) (<= main_~main__tagbuf_len~0 2147483646) (<= main_~main____CPAchecker_TMP_4~0 2147483647) (<= main_~__VERIFIER_assert__cond~5 1) (<= 0 ~__return_main~0) (<= 0 |old(~__return_305~0)|) (<= 0 main_~__VERIFIER_assert__cond~5) (<= 0 (+ main_~main____CPAchecker_TMP_3~0 2147483648)) (<= main_~__VERIFIER_assert__cond~4 1) (<= ~__return_main~0 0) (<= main_~main__t~0 2147483647) (<= 1 main_~main__t~0) (<= 0 |old(~__tmp_259_0~0)|) (<= 0 main_~main____CPAchecker_TMP_2~0) (= main_~__VERIFIER_assert__cond~5 0) (<= main_~main____CPAchecker_TMP_3~0 2147483647) (<= 0 main_~__tmp_6~0) (<= main_~__tmp_6~0 1) (<= 0 ~__return_305~0) (<= ~__tmp_259_0~0 2147483647) (<= |old(~__tmp_259_0~0)| 0) (<= |old(~__tmp_383_0~0)| 0) (<= main_~main____CPAchecker_TMP_0~0 2147483647) (<= ~__tmp_383_0~0 0) (<= main_~__tmp_5~0 1) (<= ~__return_305~0 0) (<= 0 (+ ~__tmp_259_0~0 2147483648)) (<= 0 |old(~__tmp_383_0~0)|) (<= 0 main_~__tmp_5~0) (<= main_~main____CPAchecker_TMP_2~0 2147483646) (<= |old(~__return_305~0)| 0) (= |old(~__return_305~0)| 0) (= |old(~__tmp_383_0~0)| 0) (= ~__return_main~0 0) (<= 0 main_~__VERIFIER_assert__cond~4) (= |old(~__tmp_259_0~0)| 0)). Possible FailurePath: - PositiveResult [Line: 219]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 79]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 361]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 67]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 183]: 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 169#(and (<= 0 main_~main__tagbuf_len~0) (<= 0 ~__tmp_383_0~0) (<= 0 (+ main_~main____CPAchecker_TMP_0~0 2147483648)) (<= main_~main__tagbuf_len~0 2147483646) (<= 0 ~__return_main~0) (<= 0 |old(~__return_305~0)|) (<= 0 (+ main_~main____CPAchecker_TMP_3~0 2147483648)) (= main_~__VERIFIER_assert__cond~9 main_~__tmp_10~0) (<= main_~main__t~0 2147483647) (<= ~__return_main~0 0) (<= 1 main_~main__t~0) (<= 0 |old(~__tmp_259_0~0)|) (<= 0 main_~main____CPAchecker_TMP_2~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (<= main_~main____CPAchecker_TMP_3~0 2147483647) (<= 0 ~__return_305~0) (<= ~__tmp_259_0~0 2147483647) (<= |old(~__tmp_259_0~0)| 0) (<= main_~main____CPAchecker_TMP_0~0 2147483647) (<= |old(~__tmp_383_0~0)| 0) (<= ~__tmp_383_0~0 0) (<= ~__return_305~0 0) (<= 0 (+ ~__tmp_259_0~0 2147483648)) (<= 0 |old(~__tmp_383_0~0)|) (<= main_~main____CPAchecker_TMP_2~0 2147483646) (<= |old(~__return_305~0)| 0) (= main_~__tmp_9~0 (ite (<= 0 main_~main__t~0) 1 0)) (= |old(~__return_305~0)| 0) (= main_~__VERIFIER_assert__cond~9 0) (= |old(~__tmp_383_0~0)| 0) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_10~0) (= ~__return_main~0 0) (= main_~__tmp_9~0 main_~__VERIFIER_assert__cond~8) (= |old(~__tmp_259_0~0)| 0)). Possible FailurePath: - UnprovableResult [Line: 373]: 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 60#(and (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_19~0) (= main_~__VERIFIER_assert__cond~19 0) (= main_~__VERIFIER_assert__cond~19 main_~__tmp_20~0) (<= 0 main_~main__tagbuf_len~0) (<= 0 ~__tmp_383_0~0) (<= main_~__VERIFIER_assert__cond~13 1) (<= main_~main__tagbuf_len~0 2147483646) (<= 0 ~__return_main~0) (<= 0 |old(~__return_305~0)|) (not (= main_~main__tagbuf_len~0 main_~main__t~0)) (<= ~__return_main~0 0) (= main_~main____CPAchecker_TMP_0~0 ~__tmp_383_0~0) (<= 1 main_~main__t~0) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_20~0) (<= 0 |old(~__tmp_259_0~0)|) (<= 1 main_~__VERIFIER_assert__cond~13) (= main_~main__t~0 (+ main_~main____CPAchecker_TMP_1~0 1)) (not (= main_~__VERIFIER_assert__cond~18 0)) (<= 0 (+ main_~main____CPAchecker_TMP_0~1 2147483648)) (<= main_~__tmp_14~0 1) (<= main_~__tmp_13~0 1) (<= 0 ~__return_305~0) (<= |old(~__tmp_259_0~0)| 0) (<= |old(~__tmp_383_0~0)| 0) (<= 1 main_~__tmp_14~0) (<= ~__tmp_383_0~0 0) (= 0 main_~main____CPAchecker_TMP_0~1) (= main_~__VERIFIER_assert__cond~18 main_~__tmp_19~0) (<= ~__tmp_259_0~0 0) (<= main_~__VERIFIER_assert__cond~12 1) (<= ~__return_305~0 0) (<= 0 ~__tmp_259_0~0) (<= 0 |old(~__tmp_383_0~0)|) (<= |old(~__return_305~0)| 0) (= |old(~__return_305~0)| 0) (<= 1 main_~__VERIFIER_assert__cond~12) (= |old(~__tmp_383_0~0)| 0) (<= main_~main____CPAchecker_TMP_0~1 2147483647) (= ~__return_main~0 0) (= |old(~__tmp_259_0~0)| 0) (<= 1 main_~__tmp_13~0)). Possible FailurePath: - UnprovableResult [Line: 231]: 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 198#(and (<= 0 main_~main__tagbuf_len~0) (<= 0 ~__tmp_383_0~0) (<= 0 (+ main_~main____CPAchecker_TMP_0~0 2147483648)) (<= main_~main__tagbuf_len~0 2147483646) (<= 0 ~__return_main~0) (<= 0 |old(~__return_305~0)|) (<= ~__return_main~0 0) (<= main_~main__t~0 2147483647) (<= 0 (+ main_~main____CPAchecker_TMP_6~0 2147483648)) (<= 1 main_~main__t~0) (<= 0 |old(~__tmp_259_0~0)|) (<= main_~main____CPAchecker_TMP_6~0 2147483647) (= main_~__VERIFIER_assert__cond~11 main_~__tmp_12~0) (<= 0 main_~main____CPAchecker_TMP_2~0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_11~0) (<= 0 ~__return_305~0) (<= ~__tmp_259_0~0 2147483647) (<= |old(~__tmp_259_0~0)| 0) (<= |old(~__tmp_383_0~0)| 0) (<= main_~main____CPAchecker_TMP_0~0 2147483647) (not (= 0 main_~main____CPAchecker_TMP_6~0)) (<= ~__tmp_383_0~0 0) (= main_~__VERIFIER_assert__cond~10 main_~__tmp_11~0) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_12~0) (<= main_~main____CPAchecker_TMP_3~0 0) (<= ~__return_305~0 0) (not (= main_~__VERIFIER_assert__cond~10 0)) (<= 0 (+ ~__tmp_259_0~0 2147483648)) (<= 0 |old(~__tmp_383_0~0)|) (= main_~__VERIFIER_assert__cond~11 0) (<= main_~main____CPAchecker_TMP_2~0 2147483646) (<= |old(~__return_305~0)| 0) (= |old(~__return_305~0)| 0) (= |old(~__tmp_383_0~0)| 0) (= main_~main____CPAchecker_TMP_3~0 0) (= ~__return_main~0 0) (= |old(~__tmp_259_0~0)| 0) (<= 0 main_~main____CPAchecker_TMP_3~0)). Possible FailurePath: - UnprovableResult [Line: 340]: 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 68#(and (<= 0 main_~main__tagbuf_len~0) (<= 0 ~__tmp_383_0~0) (<= main_~__VERIFIER_assert__cond~13 1) (<= main_~main__tagbuf_len~0 2147483646) (<= 0 ~__return_main~0) (<= 0 |old(~__return_305~0)|) (not (= main_~main__tagbuf_len~0 main_~main__t~0)) (<= ~__return_main~0 0) (= main_~main____CPAchecker_TMP_0~0 ~__tmp_383_0~0) (<= 1 main_~main__t~0) (<= 0 |old(~__tmp_259_0~0)|) (<= 1 main_~__VERIFIER_assert__cond~13) (= main_~main__t~0 (+ main_~main____CPAchecker_TMP_1~0 1)) (not (= 0 main_~main____CPAchecker_TMP_0~1)) (<= 0 (+ main_~main____CPAchecker_TMP_0~1 2147483648)) (<= main_~__tmp_14~0 1) (<= main_~__tmp_13~0 1) (<= 0 ~__return_305~0) (<= |old(~__tmp_259_0~0)| 0) (<= |old(~__tmp_383_0~0)| 0) (<= 1 main_~__tmp_14~0) (<= ~__tmp_383_0~0 0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_17~0) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_18~0) (<= ~__tmp_259_0~0 0) (<= main_~__VERIFIER_assert__cond~12 1) (<= ~__return_305~0 0) (<= 0 ~__tmp_259_0~0) (= main_~__VERIFIER_assert__cond~16 main_~__tmp_17~0) (<= 0 |old(~__tmp_383_0~0)|) (= main_~__VERIFIER_assert__cond~17 main_~__tmp_18~0) (not (= main_~__VERIFIER_assert__cond~16 0)) (<= |old(~__return_305~0)| 0) (= main_~__VERIFIER_assert__cond~17 0) (= |old(~__return_305~0)| 0) (<= 1 main_~__VERIFIER_assert__cond~12) (= |old(~__tmp_383_0~0)| 0) (<= main_~main____CPAchecker_TMP_0~1 2147483647) (= ~__return_main~0 0) (= |old(~__tmp_259_0~0)| 0) (<= 1 main_~__tmp_13~0)). Possible FailurePath: - PositiveResult [Line: 273]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 292]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 304]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 328]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...