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+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 06:33:49,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 06:33:49,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 06:33:49,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 06:33:49,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 06:33:49,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 06:33:49,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 06:33:49,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 06:33:49,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 06:33:49,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 06:33:49,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 06:33:49,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 06:33:49,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 06:33:49,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 06:33:49,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 06:33:49,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 06:33:49,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 06:33:49,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 06:33:49,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 06:33:49,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 06:33:49,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 06:33:49,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 06:33:49,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 06:33:49,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 06:33:49,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 06:33:49,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 06:33:49,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 06:33:49,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 06:33:49,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 06:33:49,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 06:33:49,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 06:33:49,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 06:33:49,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 06:33:49,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 06:33:49,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 06:33:49,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 06:33:49,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 06:33:49,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 06:33:49,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 06:33:49,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 06:33:49,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 06:33:49,236 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 06:33:49,255 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 06:33:49,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 06:33:49,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 06:33:49,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 06:33:49,258 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 06:33:49,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 06:33:49,258 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 06:33:49,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 06:33:49,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 06:33:49,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 06:33:49,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 06:33:49,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 06:33:49,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 06:33:49,261 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 06:33:49,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 06:33:49,261 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 06:33:49,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 06:33:49,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 06:33:49,262 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 06:33:49,262 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 06:33:49,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 06:33:49,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 06:33:49,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 06:33:49,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 06:33:49,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 06:33:49,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 06:33:49,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 06:33:49,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 06:33:49,265 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 06:33:49,611 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 06:33:49,634 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 06:33:49,638 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 06:33:49,639 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 06:33:49,640 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 06:33:49,641 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+nlh-reducer.c [2019-10-15 06:33:49,714 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/217263ce6/2581bbc0287646da8c7db001de797d5d/FLAGd2f23afbe [2019-10-15 06:33:50,213 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 06:33:50,214 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+nlh-reducer.c [2019-10-15 06:33:50,229 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/217263ce6/2581bbc0287646da8c7db001de797d5d/FLAGd2f23afbe [2019-10-15 06:33:50,592 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/217263ce6/2581bbc0287646da8c7db001de797d5d [2019-10-15 06:33:50,602 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 06:33:50,603 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 06:33:50,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 06:33:50,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 06:33:50,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 06:33:50,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:33:50" (1/1) ... [2019-10-15 06:33:50,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6509102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:50, skipping insertion in model container [2019-10-15 06:33:50,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:33:50" (1/1) ... [2019-10-15 06:33:50,629 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 06:33:50,686 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 06:33:50,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:33:50,933 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 06:33:50,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 06:33:51,076 INFO L192 MainTranslator]: Completed translation [2019-10-15 06:33:51,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:51 WrapperNode [2019-10-15 06:33:51,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 06:33:51,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 06:33:51,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 06:33:51,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 06:33:51,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:51" (1/1) ... [2019-10-15 06:33:51,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:51" (1/1) ... [2019-10-15 06:33:51,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:51" (1/1) ... [2019-10-15 06:33:51,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:51" (1/1) ... [2019-10-15 06:33:51,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:51" (1/1) ... [2019-10-15 06:33:51,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:51" (1/1) ... [2019-10-15 06:33:51,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:51" (1/1) ... [2019-10-15 06:33:51,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 06:33:51,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 06:33:51,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 06:33:51,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 06:33:51,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:33:51" (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 06:33:51,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 06:33:51,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 06:33:51,195 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 06:33:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 06:33:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 06:33:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 06:33:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 06:33:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 06:33:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 06:33:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 06:33:51,616 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 06:33:51,617 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 06:33:51,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:33:51 BoogieIcfgContainer [2019-10-15 06:33:51,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 06:33:51,619 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 06:33:51,619 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 06:33:51,620 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 06:33:51,621 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:33:51" (1/1) ... [2019-10-15 06:33:51,622 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 06:33:51,653 INFO L162 IcfgInterpreter]: Started Sifa with 17 locations of interest [2019-10-15 06:33:51,653 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 06:33:51,662 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 06:33:51,672 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 06:33:51,673 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 06:33:51,833 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 24 for LOIs [2019-10-15 06:34:10,392 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-15 06:34:10,434 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-15 06:34:10,434 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-15 06:34:10,438 INFO L168 Benchmark]: Toolchain (without parser) took 19833.40 ms. Allocated memory was 143.1 MB in the beginning and 652.7 MB in the end (delta: 509.6 MB). Free memory was 101.5 MB in the beginning and 519.4 MB in the end (delta: -418.0 MB). Peak memory consumption was 91.7 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:10,439 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 143.1 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-15 06:34:10,443 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.94 ms. Allocated memory was 143.1 MB in the beginning and 200.3 MB in the end (delta: 57.1 MB). Free memory was 101.3 MB in the beginning and 178.8 MB in the end (delta: -77.6 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:10,444 INFO L168 Benchmark]: Boogie Preprocessor took 55.40 ms. Allocated memory is still 200.3 MB. Free memory was 178.8 MB in the beginning and 176.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:10,445 INFO L168 Benchmark]: RCFGBuilder took 484.87 ms. Allocated memory is still 200.3 MB. Free memory was 176.7 MB in the beginning and 152.3 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:10,446 INFO L168 Benchmark]: Sifa took 18815.48 ms. Allocated memory was 200.3 MB in the beginning and 652.7 MB in the end (delta: 452.5 MB). Free memory was 152.3 MB in the beginning and 519.4 MB in the end (delta: -367.1 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. [2019-10-15 06:34:10,450 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 143.1 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 472.94 ms. Allocated memory was 143.1 MB in the beginning and 200.3 MB in the end (delta: 57.1 MB). Free memory was 101.3 MB in the beginning and 178.8 MB in the end (delta: -77.6 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.40 ms. Allocated memory is still 200.3 MB. Free memory was 178.8 MB in the beginning and 176.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 484.87 ms. Allocated memory is still 200.3 MB. Free memory was 176.7 MB in the beginning and 152.3 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Sifa took 18815.48 ms. Allocated memory was 200.3 MB in the beginning and 652.7 MB in the end (delta: 452.5 MB). Free memory was 152.3 MB in the beginning and 519.4 MB in the end (delta: -367.1 MB). Peak memory consumption was 85.4 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]: 18740, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1105, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 1005, TOOLS_POST_TIME[ms]: 899, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 26, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1008, TOOLS_QUANTIFIERELIM_TIME[ms]: 660, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 41, FLUID_QUERIES: 1176, FLUID_YES_ANSWERS: 25, DOMAIN_JOIN_APPLICATIONS: 284, DOMAIN_JOIN_TIME[ms]: 14574, DOMAIN_ALPHA_APPLICATIONS: 25, DOMAIN_ALPHA_TIME[ms]: 1283, DOMAIN_WIDEN_APPLICATIONS: 28, DOMAIN_WIDEN_TIME[ms]: 961, DOMAIN_ISSUBSETEQ_APPLICATIONS: 71, DOMAIN_ISSUBSETEQ_TIME[ms]: 289, DOMAIN_ISBOTTOM_APPLICATIONS: 117, DOMAIN_ISBOTTOM_TIME[ms]: 404, LOOP_SUMMARIZER_APPLICATIONS: 43, LOOP_SUMMARIZER_CACHE_MISSES: 43, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 10093, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10092, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 71, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 98, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 97, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 13, REGEX_TO_DAG_TIME[ms]: 11, DAG_COMPRESSION_TIME[ms]: 92, DAG_COMPRESSION_PROCESSED_NODES: 2751, DAG_COMPRESSION_RETAINED_NODES: 408 - PositiveResult [Line: 110]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 232]: 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 5221#(and (and (= main_~__VERIFIER_assert__cond~11 main_~__tmp_12~0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_11~0) (not (= 0 main_~main____CPAchecker_TMP_6~0)) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_12~0) (not (= main_~__VERIFIER_assert__cond~10 0)) (= main_~__VERIFIER_assert__cond~11 0) (= main_~__VERIFIER_assert__cond~10 main_~__tmp_11~0) (= |old(~__tmp_247_0~0)| 0) (= |old(~__return_305~0)| 0) (= main_~main____CPAchecker_TMP_3~0 0) (= |old(~__tmp_383_0~0)| 0) (= ~__return_main~0 0)) (or (and (<= 0 main_~__VERIFIER_assert__cond~11) (<= 0 ~__tmp_383_0~0) (<= 0 (+ main_~main____CPAchecker_TMP_0~0 2147483648)) (<= 1 main_~__tmp_1~0) (<= ~__tmp_247_0~0 2147483647) (<= 0 ~__return_main~0) (<= 0 main_~__tmp_12~0) (<= ~__return_main~0 0) (<= main_~main__t~0 2147483647) (<= main_~main____CPAchecker_TMP_4~0 0) (<= main_~main____CPAchecker_TMP_7~0 2147483646) (<= main_~__tmp_12~0 0) (<= 1 main_~__tmp_9~0) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 main_~main____CPAchecker_TMP_2~0) (<= main_~__VERIFIER_assert__cond~8 1) (<= |old(~__tmp_383_0~0)| 0) (<= main_~main____CPAchecker_TMP_0~0 2147483647) (<= 1 main_~__tmp_2~0) (<= ~__tmp_383_0~0 0) (<= main_~__VERIFIER_assert__cond~9 1) (<= 1 main_~__VERIFIER_assert__cond~1) (<= |old(~__tmp_247_0~0)| 0) (<= main_~__tmp_11~0 1) (<= 2 main_~main__t~0) (<= main_~__VERIFIER_assert__cond~11 0) (<= 0 main_~main____CPAchecker_TMP_3~0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= main_~__tmp_9~0 1) (<= 0 (+ ~__tmp_247_0~0 2147483648)) (<= main_~__VERIFIER_assert__cond~10 1) (<= main_~main__tagbuf_len~0 2147483646) (<= main_~__tmp_10~0 1) (<= 1 main_~__tmp_10~0) (<= 0 main_~__VERIFIER_assert__cond~10) (<= 1 main_~main__tagbuf_len~0) (<= 0 |old(~__return_305~0)|) (<= main_~__VERIFIER_assert__cond~1 1) (<= 0 (+ main_~main____CPAchecker_TMP_6~0 2147483648)) (<= main_~main____CPAchecker_TMP_6~0 2147483647) (<= 0 |old(~__tmp_247_0~0)|) (<= 1 main_~main____CPAchecker_TMP_7~0) (<= 0 ~__return_305~0) (<= main_~main____CPAchecker_TMP_3~0 0) (<= ~__return_305~0 0) (<= 1 main_~__VERIFIER_assert__cond~8) (<= 0 |old(~__tmp_383_0~0)|) (<= main_~__tmp_1~0 1) (<= |old(~__return_305~0)| 0) (<= main_~__tmp_2~0 1) (<= 0 main_~main____CPAchecker_TMP_4~0) (<= main_~main____CPAchecker_TMP_2~0 0) (<= 1 main_~__VERIFIER_assert__cond~9) (<= 0 main_~__tmp_11~0)) (and (<= 0 main_~__VERIFIER_assert__cond~11) (<= 0 main_~main__tagbuf_len~0) (<= 0 ~__tmp_383_0~0) (<= 0 (+ ~__tmp_247_0~0 2147483648)) (<= 0 (+ main_~main____CPAchecker_TMP_0~0 2147483648)) (<= main_~__VERIFIER_assert__cond~10 1) (<= main_~main__tagbuf_len~0 2147483646) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= 0 main_~__tmp_12~0) (<= ~__tmp_247_0~0 2147483647) (<= 0 main_~__VERIFIER_assert__cond~10) (<= 0 |old(~__return_305~0)|) (<= main_~__VERIFIER_assert__cond~1 1) (<= ~__return_main~0 0) (<= main_~main__t~0 2147483647) (<= 0 (+ main_~main____CPAchecker_TMP_6~0 2147483648)) (<= 1 main_~main__t~0) (<= main_~main____CPAchecker_TMP_6~0 2147483647) (<= main_~__tmp_12~0 0) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 main_~main____CPAchecker_TMP_2~0) (<= 0 |old(~__tmp_247_0~0)|) (<= 0 ~__return_305~0) (<= |old(~__tmp_383_0~0)| 0) (<= main_~main____CPAchecker_TMP_0~0 2147483647) (<= 1 main_~__tmp_2~0) (<= ~__tmp_383_0~0 0) (<= main_~main____CPAchecker_TMP_3~0 0) (<= ~__return_305~0 0) (<= 0 |old(~__tmp_383_0~0)|) (<= main_~main____CPAchecker_TMP_2~0 2147483646) (<= 1 main_~__VERIFIER_assert__cond~1) (<= main_~__tmp_1~0 1) (<= |old(~__return_305~0)| 0) (<= |old(~__tmp_247_0~0)| 0) (<= main_~__tmp_2~0 1) (<= main_~__tmp_11~0 1) (<= main_~__VERIFIER_assert__cond~11 0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 0 main_~main____CPAchecker_TMP_3~0) (<= 0 main_~__tmp_11~0)))). Possible FailurePath: - UnprovableResult [Line: 122]: 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 3880#(and (not (= 0 main_~main____CPAchecker_TMP_4~0)) (<= 0 main_~main__tagbuf_len~0) (= main_~__tmp_6~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (<= 0 ~__tmp_383_0~0) (<= 0 (+ main_~main____CPAchecker_TMP_4~0 2147483648)) (<= 0 (+ ~__tmp_247_0~0 2147483648)) (<= 0 (+ main_~main____CPAchecker_TMP_0~0 2147483648)) (<= main_~main__tagbuf_len~0 2147483646) (<= main_~main____CPAchecker_TMP_4~0 2147483647) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__tmp_247_0~0 2147483647) (= main_~__tmp_5~0 (ite (<= 0 main_~main__t~0) 1 0)) (<= 0 |old(~__return_305~0)|) (<= 0 main_~__VERIFIER_assert__cond~5) (<= main_~__VERIFIER_assert__cond~1 1) (<= 0 (+ main_~main____CPAchecker_TMP_3~0 2147483648)) (<= ~__return_main~0 0) (<= main_~__VERIFIER_assert__cond~4 1) (<= 1 main_~main__t~0) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 main_~main____CPAchecker_TMP_2~0) (<= 0 |old(~__tmp_247_0~0)|) (= main_~__VERIFIER_assert__cond~5 0) (<= main_~main____CPAchecker_TMP_3~0 2147483647) (not (= main_~__VERIFIER_assert__cond~4 0)) (<= 0 main_~__tmp_6~0) (<= 0 ~__return_305~0) (<= |old(~__tmp_383_0~0)| 0) (<= main_~main____CPAchecker_TMP_0~0 2147483647) (<= 1 main_~__tmp_2~0) (<= ~__tmp_383_0~0 0) (= main_~__tmp_5~0 main_~__VERIFIER_assert__cond~4) (<= main_~__tmp_5~0 1) (<= ~__return_305~0 0) (<= 0 |old(~__tmp_383_0~0)|) (= main_~__tmp_6~0 main_~__VERIFIER_assert__cond~5) (<= 0 main_~__tmp_5~0) (<= main_~__tmp_6~0 0) (<= main_~main____CPAchecker_TMP_2~0 2147483646) (<= main_~__VERIFIER_assert__cond~5 0) (<= 1 main_~__VERIFIER_assert__cond~1) (<= main_~__tmp_1~0 1) (<= |old(~__return_305~0)| 0) (<= |old(~__tmp_247_0~0)| 0) (<= main_~__tmp_2~0 1) (<= 0 main_~__VERIFIER_assert__cond~4) (<= 1 main_~__VERIFIER_assert__cond~0)). Possible FailurePath: - PositiveResult [Line: 274]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 80]: 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 4363#(and (<= 0 ~__tmp_383_0~0) (<= 0 (+ ~__tmp_247_0~0 2147483648)) (<= 0 main_~__VERIFIER_assert__cond~3) (<= 0 (+ main_~main____CPAchecker_TMP_0~0 2147483648)) (<= main_~main__t~0 2147483646) (<= main_~main__tagbuf_len~0 2147483646) (<= 0 main_~__tmp_4~0) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__tmp_247_0~0 2147483647) (<= 1 main_~main__tagbuf_len~0) (<= 0 |old(~__return_305~0)|) (<= main_~__tmp_4~0 0) (<= main_~__VERIFIER_assert__cond~1 1) (<= ~__return_main~0 0) (<= 1 main_~main__t~0) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 main_~main____CPAchecker_TMP_2~0) (<= 0 |old(~__tmp_247_0~0)|) (<= 0 main_~__VERIFIER_assert__cond~2) (<= 0 main_~__tmp_3~0) (<= 0 ~__return_305~0) (= main_~__VERIFIER_assert__cond~3 0) (<= |old(~__tmp_383_0~0)| 0) (<= main_~main____CPAchecker_TMP_0~0 2147483647) (<= 1 main_~__tmp_2~0) (<= ~__tmp_383_0~0 0) (<= ~__return_305~0 0) (<= main_~__VERIFIER_assert__cond~3 0) (<= 0 |old(~__tmp_383_0~0)|) (<= main_~main____CPAchecker_TMP_2~0 2147483646) (<= main_~__tmp_3~0 1) (<= 1 main_~__VERIFIER_assert__cond~1) (<= main_~__tmp_1~0 1) (<= |old(~__return_305~0)| 0) (<= |old(~__tmp_247_0~0)| 0) (<= main_~__tmp_2~0 1) (<= main_~__VERIFIER_assert__cond~2 1) (<= 1 main_~__VERIFIER_assert__cond~0)). Possible FailurePath: - PositiveResult [Line: 293]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 138]: 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 2994#(and (<= 0 ~__tmp_383_0~0) (<= 0 (+ main_~main____CPAchecker_TMP_4~0 2147483648)) (<= 0 (+ main_~main____CPAchecker_TMP_0~0 2147483648)) (<= main_~main__t~0 2147483646) (<= 0 main_~__VERIFIER_assert__cond~6) (<= main_~__VERIFIER_assert__cond~5 1) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__tmp_247_0~0 2147483647) (<= ~__return_main~0 0) (<= 0 main_~__tmp_7~0) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 main_~main____CPAchecker_TMP_2~0) (<= 1 main_~__VERIFIER_assert__cond~4) (<= |old(~__tmp_383_0~0)| 0) (<= main_~main____CPAchecker_TMP_0~0 2147483647) (<= 1 main_~__tmp_2~0) (<= ~__tmp_383_0~0 0) (<= 1 main_~__VERIFIER_assert__cond~1) (<= |old(~__tmp_247_0~0)| 0) (<= main_~main____CPAchecker_TMP_5~0 2147483645) (<= 2 main_~main__t~0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= main_~__tmp_7~0 0) (<= 1 main_~__tmp_6~0) (<= 0 (+ ~__tmp_247_0~0 2147483648)) (<= main_~main__tagbuf_len~0 2147483646) (<= 1 main_~__tmp_5~0) (<= main_~main____CPAchecker_TMP_4~0 2147483647) (<= 0 |old(~__return_305~0)|) (<= main_~__VERIFIER_assert__cond~1 1) (<= 0 (+ main_~main____CPAchecker_TMP_3~0 2147483648)) (<= main_~__VERIFIER_assert__cond~4 1) (<= 0 |old(~__tmp_247_0~0)|) (<= main_~main____CPAchecker_TMP_3~0 2147483647) (<= main_~__tmp_6~0 1) (<= 0 ~__return_305~0) (<= main_~__VERIFIER_assert__cond~6 0) (<= main_~__tmp_5~0 1) (<= ~__return_305~0 0) (<= 0 |old(~__tmp_383_0~0)|) (<= 2 main_~main__tagbuf_len~0) (<= 1 main_~__VERIFIER_assert__cond~5) (= main_~__VERIFIER_assert__cond~6 0) (<= main_~main____CPAchecker_TMP_2~0 2147483646) (<= 1 main_~main____CPAchecker_TMP_5~0) (<= main_~__tmp_1~0 1) (<= |old(~__return_305~0)| 0) (<= main_~__tmp_2~0 1)). Possible FailurePath: - PositiveResult [Line: 220]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 150]: 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 2696#(and (<= 0 ~__tmp_383_0~0) (<= 0 (+ main_~main____CPAchecker_TMP_4~0 2147483648)) (<= 0 (+ main_~main____CPAchecker_TMP_0~0 2147483648)) (<= main_~main__t~0 2147483646) (<= 0 main_~__VERIFIER_assert__cond~6) (<= main_~__VERIFIER_assert__cond~5 1) (<= 1 main_~__tmp_1~0) (<= ~__tmp_247_0~0 2147483647) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= main_~__tmp_7~0 1) (<= 0 main_~__tmp_7~0) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 main_~main____CPAchecker_TMP_2~0) (<= |old(~__tmp_383_0~0)| 0) (<= main_~main____CPAchecker_TMP_0~0 2147483647) (<= 1 main_~__VERIFIER_assert__cond~4) (<= 1 main_~__tmp_2~0) (<= ~__tmp_383_0~0 0) (<= main_~__VERIFIER_assert__cond~6 1) (<= 1 main_~__VERIFIER_assert__cond~1) (<= main_~__VERIFIER_assert__cond~7 0) (<= |old(~__tmp_247_0~0)| 0) (<= main_~main____CPAchecker_TMP_5~0 2147483645) (<= 2 main_~main__t~0) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~__tmp_6~0) (<= 0 (+ ~__tmp_247_0~0 2147483648)) (<= main_~main__tagbuf_len~0 2147483646) (<= 1 main_~__tmp_5~0) (<= main_~main____CPAchecker_TMP_4~0 2147483647) (<= 0 main_~__VERIFIER_assert__cond~7) (<= 0 |old(~__return_305~0)|) (<= 0 (+ main_~main____CPAchecker_TMP_3~0 2147483648)) (<= main_~__VERIFIER_assert__cond~1 1) (or (and (= main_~__tmp_6~0 0) (= main_~__VERIFIER_assert__cond~7 0)) (and (= main_~__tmp_6~0 1) (= main_~__VERIFIER_assert__cond~7 0))) (<= 0 main_~__tmp_8~0) (<= main_~__VERIFIER_assert__cond~4 1) (<= 0 |old(~__tmp_247_0~0)|) (<= main_~main____CPAchecker_TMP_3~0 2147483647) (<= main_~__tmp_8~0 0) (<= main_~__tmp_6~0 1) (<= 0 ~__return_305~0) (<= main_~__tmp_5~0 1) (<= ~__return_305~0 0) (<= 0 |old(~__tmp_383_0~0)|) (<= 2 main_~main__tagbuf_len~0) (<= 1 main_~__VERIFIER_assert__cond~5) (<= main_~main____CPAchecker_TMP_2~0 2147483646) (<= 1 main_~main____CPAchecker_TMP_5~0) (<= main_~__tmp_1~0 1) (<= |old(~__return_305~0)| 0) (<= main_~__tmp_2~0 1)). Possible FailurePath: - UnprovableResult [Line: 184]: 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 4876#(and (<= main_~__tmp_9~0 1) (<= 0 main_~main__tagbuf_len~0) (<= 0 ~__tmp_383_0~0) (<= 0 (+ ~__tmp_247_0~0 2147483648)) (<= 0 (+ main_~main____CPAchecker_TMP_0~0 2147483648)) (<= main_~main__tagbuf_len~0 2147483646) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__tmp_247_0~0 2147483647) (<= 0 |old(~__return_305~0)|) (<= main_~__VERIFIER_assert__cond~1 1) (<= 0 (+ main_~main____CPAchecker_TMP_3~0 2147483648)) (= main_~__VERIFIER_assert__cond~9 main_~__tmp_10~0) (<= ~__return_main~0 0) (<= 1 main_~main__t~0) (<= 0 main_~__tmp_9~0) (<= 0 main_~__VERIFIER_assert__cond~9) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 main_~main____CPAchecker_TMP_2~0) (<= 0 |old(~__tmp_247_0~0)|) (not (= main_~__VERIFIER_assert__cond~8 0)) (<= main_~main____CPAchecker_TMP_3~0 2147483647) (<= main_~__VERIFIER_assert__cond~8 1) (<= 0 ~__return_305~0) (<= |old(~__tmp_383_0~0)| 0) (<= main_~main____CPAchecker_TMP_0~0 2147483647) (<= 1 main_~__tmp_2~0) (<= ~__tmp_383_0~0 0) (<= main_~__tmp_10~0 0) (<= ~__return_305~0 0) (<= 0 |old(~__tmp_383_0~0)|) (<= main_~main____CPAchecker_TMP_2~0 2147483646) (<= 0 main_~__tmp_10~0) (<= 1 main_~__VERIFIER_assert__cond~1) (<= main_~__tmp_1~0 1) (<= |old(~__return_305~0)| 0) (<= |old(~__tmp_247_0~0)| 0) (<= main_~__tmp_2~0 1) (<= 0 main_~__VERIFIER_assert__cond~8) (= main_~__tmp_9~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~9 0) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_10~0) (= main_~__tmp_9~0 main_~__VERIFIER_assert__cond~8) (<= 1 main_~__VERIFIER_assert__cond~0) (<= main_~__VERIFIER_assert__cond~9 0)). Possible FailurePath: - PositiveResult [Line: 172]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 334]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 39]: 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 755#(and (or (and (<= 0 main_~main__tagbuf_len~0) (<= 0 ~__tmp_383_0~0) (<= 0 (+ ~__tmp_247_0~0 2147483648)) (<= 0 (+ main_~main____CPAchecker_TMP_0~0 2147483648)) (<= main_~main__tagbuf_len~0 2147483646) (<= 0 ~__return_main~0) (<= ~__tmp_247_0~0 2147483647) (<= 0 |old(~__return_305~0)|) (<= ~__return_main~0 0) (<= 0 |old(~__tmp_247_0~0)|) (<= 0 main_~__VERIFIER_assert__cond~0) (<= main_~main__t~0 0) (<= main_~__tmp_1~0 0) (<= 0 main_~__tmp_1~0) (<= 0 ~__return_305~0) (<= main_~main____CPAchecker_TMP_0~0 2147483647) (<= 0 main_~main__t~0) (<= |old(~__tmp_383_0~0)| 0) (<= ~__tmp_383_0~0 0) (= main_~__VERIFIER_assert__cond~0 0) (= |old(~__tmp_247_0~0)| 0) (= |old(~__return_305~0)| 0) (= main_~__tmp_1~0 1) (= |old(~__tmp_383_0~0)| 0) (= ~__return_main~0 0)) (and (<= 0 main_~main__tagbuf_len~0) (<= 0 ~__tmp_383_0~0) (<= 0 (+ ~__tmp_247_0~0 2147483648)) (<= 0 (+ main_~main____CPAchecker_TMP_0~0 2147483648)) (<= main_~main__tagbuf_len~0 2147483646) (<= 0 ~__return_main~0) (<= ~__tmp_247_0~0 2147483647) (<= 0 |old(~__return_305~0)|) (= main_~__tmp_1~0 0) (<= ~__return_main~0 0) (<= 0 |old(~__tmp_247_0~0)|) (<= 0 main_~__VERIFIER_assert__cond~0) (<= main_~main__t~0 0) (<= main_~__tmp_1~0 0) (<= 0 main_~__tmp_1~0) (<= 0 ~__return_305~0) (<= main_~main____CPAchecker_TMP_0~0 2147483647) (<= 0 main_~main__t~0) (<= |old(~__tmp_383_0~0)| 0) (<= ~__tmp_383_0~0 0) (= main_~__VERIFIER_assert__cond~0 0) (= |old(~__tmp_247_0~0)| 0) (= |old(~__return_305~0)| 0) (= |old(~__tmp_383_0~0)| 0) (= ~__return_main~0 0))) (<= ~__return_305~0 0) (<= main_~__VERIFIER_assert__cond~0 0) (<= 0 |old(~__tmp_383_0~0)|) (<= |old(~__return_305~0)| 0) (<= |old(~__tmp_247_0~0)| 0)). Possible FailurePath: - UnprovableResult [Line: 51]: 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 770#(or (and (<= 0 main_~main__tagbuf_len~0) (<= 0 ~__tmp_383_0~0) (<= 0 (+ ~__tmp_247_0~0 2147483648)) (<= 0 (+ main_~main____CPAchecker_TMP_0~0 2147483648)) (<= main_~main__tagbuf_len~0 2147483646) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__tmp_247_0~0 2147483647) (<= 0 |old(~__return_305~0)|) (<= ~__return_main~0 0) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 main_~__VERIFIER_assert__cond~1) (<= 0 |old(~__tmp_247_0~0)|) (<= main_~main__t~0 0) (<= main_~__tmp_2~0 0) (<= 0 ~__return_305~0) (<= |old(~__tmp_383_0~0)| 0) (<= main_~main____CPAchecker_TMP_0~0 2147483647) (<= 0 main_~main__t~0) (<= 0 main_~__tmp_2~0) (<= ~__tmp_383_0~0 0) (<= ~__return_305~0 0) (= main_~__VERIFIER_assert__cond~1 0) (<= main_~__VERIFIER_assert__cond~1 0) (<= 0 |old(~__tmp_383_0~0)|) (<= main_~__tmp_1~0 1) (<= |old(~__return_305~0)| 0) (<= |old(~__tmp_247_0~0)| 0) (= |old(~__tmp_247_0~0)| 0) (= |old(~__return_305~0)| 0) (= |old(~__tmp_383_0~0)| 0) (= ~__return_main~0 0) (<= 1 main_~__VERIFIER_assert__cond~0)) (and (<= 0 main_~main____CPAchecker_TMP_1~0) (<= 0 main_~main__tagbuf_len~0) (<= 0 ~__tmp_383_0~0) (<= main_~__VERIFIER_assert__cond~13 1) (<= 0 (+ ~__tmp_247_0~0 2147483648)) (<= 0 (+ main_~main____CPAchecker_TMP_0~0 2147483648)) (<= main_~main__tagbuf_len~0 2147483646) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__tmp_247_0~0 2147483647) (<= 0 |old(~__return_305~0)|) (<= ~__return_main~0 0) (<= 1 main_~main__t~0) (<= 1 main_~__VERIFIER_assert__cond~13) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 main_~__VERIFIER_assert__cond~1) (<= 0 |old(~__tmp_247_0~0)|) (<= 0 (+ main_~main____CPAchecker_TMP_0~1 2147483648)) (<= main_~__tmp_14~0 1) (<= main_~__tmp_2~0 0) (<= main_~__tmp_13~0 1) (<= 0 ~__return_305~0) (<= |old(~__tmp_383_0~0)| 0) (<= main_~main____CPAchecker_TMP_0~0 2147483647) (<= 1 main_~__tmp_14~0) (<= 0 main_~__tmp_2~0) (<= ~__tmp_383_0~0 0) (<= main_~__VERIFIER_assert__cond~12 1) (<= ~__return_305~0 0) (= main_~__VERIFIER_assert__cond~1 0) (<= main_~__VERIFIER_assert__cond~1 0) (<= 0 |old(~__tmp_383_0~0)|) (= |old(~__tmp_247_0~0)| 0) (<= main_~__tmp_1~0 1) (<= |old(~__return_305~0)| 0) (<= |old(~__tmp_247_0~0)| 0) (= |old(~__return_305~0)| 0) (<= 1 main_~__VERIFIER_assert__cond~12) (= |old(~__tmp_383_0~0)| 0) (= ~__return_main~0 0) (<= main_~main____CPAchecker_TMP_0~1 2147483647) (<= 1 main_~__VERIFIER_assert__cond~0) (<= 1 main_~__tmp_13~0))). Possible FailurePath: - PositiveResult [Line: 305]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 68]: 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 4699#(and (<= 0 ~__tmp_383_0~0) (<= 0 (+ ~__tmp_247_0~0 2147483648)) (<= 0 (+ main_~main____CPAchecker_TMP_0~0 2147483648)) (<= main_~main__t~0 2147483646) (<= main_~main__tagbuf_len~0 2147483646) (<= main_~__VERIFIER_assert__cond~2 0) (<= 1 main_~__tmp_1~0) (<= 0 ~__return_main~0) (<= ~__tmp_247_0~0 2147483647) (<= 1 main_~main__tagbuf_len~0) (<= 0 |old(~__return_305~0)|) (<= main_~__VERIFIER_assert__cond~1 1) (<= ~__return_main~0 0) (<= 1 main_~main__t~0) (= main_~__VERIFIER_assert__cond~2 0) (<= main_~__VERIFIER_assert__cond~0 1) (<= 0 main_~main____CPAchecker_TMP_2~0) (<= 0 |old(~__tmp_247_0~0)|) (<= 0 main_~__VERIFIER_assert__cond~2) (<= 0 main_~__tmp_3~0) (<= 0 ~__return_305~0) (<= |old(~__tmp_383_0~0)| 0) (<= main_~main____CPAchecker_TMP_0~0 2147483647) (<= 1 main_~__tmp_2~0) (<= ~__tmp_383_0~0 0) (<= ~__return_305~0 0) (<= 0 |old(~__tmp_383_0~0)|) (<= main_~main____CPAchecker_TMP_2~0 2147483646) (<= 1 main_~__VERIFIER_assert__cond~1) (<= main_~__tmp_1~0 1) (<= |old(~__return_305~0)| 0) (<= |old(~__tmp_247_0~0)| 0) (<= main_~__tmp_2~0 1) (<= main_~__tmp_3~0 0) (<= 1 main_~__VERIFIER_assert__cond~0)). Possible FailurePath: - UnprovableResult [Line: 346]: 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 82#(and (<= main_~main____CPAchecker_TMP_0~1 0) (<= 0 ~__tmp_383_0~0) (<= 0 ~__return_main~0) (<= ~__return_main~0 0) (<= ~__tmp_247_0~0 0) (<= 1 main_~main__t~0) (<= 0 (+ main_~main____CPAchecker_TMP_0~1 2147483648)) (<= main_~__tmp_17~0 1) (<= main_~__tmp_14~0 1) (<= |old(~__tmp_383_0~0)| 0) (<= ~__tmp_383_0~0 0) (= 0 main_~main____CPAchecker_TMP_0~1) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_18~0) (<= main_~__VERIFIER_assert__cond~16 1) (<= 0 main_~__VERIFIER_assert__cond~17) (= main_~__VERIFIER_assert__cond~17 main_~__tmp_18~0) (<= main_~main____CPAchecker_TMP_0~0 0) (<= |old(~__tmp_247_0~0)| 0) (<= 0 main_~main____CPAchecker_TMP_0~0) (= main_~__VERIFIER_assert__cond~17 0) (<= 1 main_~__VERIFIER_assert__cond~12) (<= main_~main____CPAchecker_TMP_0~1 2147483647) (<= 0 main_~main____CPAchecker_TMP_1~0) (<= 0 main_~main__tagbuf_len~0) (<= main_~__VERIFIER_assert__cond~13 1) (<= main_~__tmp_18~0 0) (<= main_~main__tagbuf_len~0 2147483646) (<= 0 main_~__VERIFIER_assert__cond~16) (<= 0 |old(~__return_305~0)|) (not (= main_~main__tagbuf_len~0 main_~main__t~0)) (<= 0 main_~main____CPAchecker_TMP_0~1) (<= 1 main_~__VERIFIER_assert__cond~13) (<= 0 |old(~__tmp_247_0~0)|) (<= main_~__tmp_13~0 1) (<= 0 ~__return_305~0) (<= 1 main_~__tmp_14~0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_17~0) (<= 0 main_~__tmp_18~0) (<= main_~__VERIFIER_assert__cond~12 1) (<= ~__return_305~0 0) (= main_~__VERIFIER_assert__cond~16 main_~__tmp_17~0) (<= 0 |old(~__tmp_383_0~0)|) (<= main_~__VERIFIER_assert__cond~17 0) (not (= main_~__VERIFIER_assert__cond~16 0)) (= |old(~__tmp_247_0~0)| 0) (<= |old(~__return_305~0)| 0) (<= 0 main_~__tmp_17~0) (= |old(~__return_305~0)| 0) (= |old(~__tmp_383_0~0)| 0) (<= 0 ~__tmp_247_0~0) (= ~__return_main~0 0) (<= 1 main_~__tmp_13~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...