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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:43:05,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:43:05,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:43:05,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:43:05,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:43:05,850 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:43:05,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:43:05,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:43:05,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:43:05,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:43:05,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:43:05,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:43:05,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:43:05,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:43:05,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:43:05,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:43:05,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:43:05,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:43:05,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:43:05,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:43:05,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:43:05,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:43:05,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:43:05,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:43:05,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:43:05,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:43:05,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:43:05,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:43:05,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:43:05,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:43:05,878 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:43:05,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:43:05,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:43:05,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:43:05,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:43:05,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:43:05,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:43:05,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:43:05,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:43:05,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:43:05,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:43:05,889 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 15:43:05,911 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:43:05,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:43:05,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:43:05,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:43:05,913 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:43:05,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:43:05,913 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:43:05,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:43:05,914 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:43:05,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:43:05,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:43:05,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:43:05,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:43:05,915 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:43:05,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:43:05,915 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:43:05,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:43:05,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:43:05,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:43:05,916 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:43:05,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:43:05,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:43:05,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:43:05,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:43:05,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:43:05,917 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:43:05,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:43:05,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:43:05,918 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-20 15:43:05,950 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:43:05,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:43:05,970 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:43:05,973 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:43:05,974 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:43:05,975 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2019-09-20 15:43:06,057 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d136800de/6a1f688fd0134f3e979fcd1e3ae81704/FLAG8de446ffc [2019-09-20 15:43:06,663 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:43:06,666 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2019-09-20 15:43:06,686 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d136800de/6a1f688fd0134f3e979fcd1e3ae81704/FLAG8de446ffc [2019-09-20 15:43:06,921 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d136800de/6a1f688fd0134f3e979fcd1e3ae81704 [2019-09-20 15:43:06,931 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:43:06,932 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:43:06,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:43:06,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:43:06,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:43:06,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:43:06" (1/1) ... [2019-09-20 15:43:06,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65e04810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:06, skipping insertion in model container [2019-09-20 15:43:06,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:43:06" (1/1) ... [2019-09-20 15:43:06,949 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:43:07,036 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:43:07,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:43:07,628 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:43:07,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:43:07,847 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:43:07,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:07 WrapperNode [2019-09-20 15:43:07,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:43:07,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:43:07,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:43:07,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:43:07,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:07" (1/1) ... [2019-09-20 15:43:07,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:07" (1/1) ... [2019-09-20 15:43:07,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:07" (1/1) ... [2019-09-20 15:43:07,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:07" (1/1) ... [2019-09-20 15:43:07,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:07" (1/1) ... [2019-09-20 15:43:07,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:07" (1/1) ... [2019-09-20 15:43:07,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:07" (1/1) ... [2019-09-20 15:43:07,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:43:07,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:43:07,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:43:07,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:43:07,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:43:08,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:43:08,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:43:08,043 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:43:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:43:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 15:43:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 15:43:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:43:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:43:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:43:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:43:09,472 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:43:09,472 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 15:43:09,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:43:09 BoogieIcfgContainer [2019-09-20 15:43:09,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:43:09,475 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:43:09,476 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:43:09,476 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:43:09,479 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:43:09" (1/1) ... [2019-09-20 15:43:09,480 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:43:09,524 INFO L162 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-09-20 15:43:09,525 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:43:09,544 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:43:09,556 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:43:09,557 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:43:09,711 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 20 for LOIs [2019-09-20 15:43:11,588 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:11,611 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:11,682 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:11,699 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:11,749 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:11,766 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:11,815 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:11,827 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:11,876 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:11,892 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:11,941 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:11,956 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:12,009 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:12,021 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:12,065 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:12,077 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:12,121 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:12,132 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:12,177 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:12,189 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:12,719 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:12,729 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:12,806 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:12,817 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:12,907 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:12,917 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:13,375 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:13,393 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:13,860 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:13,869 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:13,941 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:13,956 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:14,020 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:14,029 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:14,378 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:14,390 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 15:43:18,223 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2019-09-20 15:43:30,050 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:43:30,050 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:43:30,053 INFO L193 IcfgInterpreter]: Reachable states at location mainErr5ASSERT_VIOLATIONERROR_FUNCTION satisfy 14649#(and (= main_~__tmp_5~0 main_~__VERIFIER_assert__cond~4) (= main_~__tmp_6~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (= main_~__VERIFIER_assert__cond~5 0) (or (and (= main_~__tmp_4~0 main_~__VERIFIER_assert__cond~3) (not (= main_~__VERIFIER_assert__cond~3 0)) (or (and (= main_~__tmp_3~0 1) (<= 0 main_~main____CPAchecker_TMP_2~0)) (and (= main_~__tmp_3~0 0) (not (<= 0 main_~main____CPAchecker_TMP_2~0)))) (= main_~main____CPAchecker_TMP_0~0 ~__tmp_2609_0~0) (= (+ main_~main____CPAchecker_TMP_2~0 1) main_~main__t~0) (not (= main_~__VERIFIER_assert__cond~2 0)) (or (and (<= main_~main____CPAchecker_TMP_2~0 main_~main__tagbuf_len~0) (= main_~__tmp_4~0 1)) (and (not (<= main_~main____CPAchecker_TMP_2~0 main_~main__tagbuf_len~0)) (= main_~__tmp_4~0 0))) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)) (and (= main_~__VERIFIER_assert__cond~10 main_~__tmp_11~0) (= main_~__VERIFIER_assert__cond~11 main_~__tmp_12~0) (or (and (= 1 main_~__tmp_12~0) (<= main_~main__t~0 (+ main_~main__tagbuf_len~0 1))) (and (= 0 main_~__tmp_12~0) (not (<= main_~main__t~0 (+ main_~main__tagbuf_len~0 1))))) (= main_~main__t~0 (+ main_~main____CPAchecker_TMP_7~0 1)) (or (and (= 1 main_~__tmp_11~0) (<= 1 main_~main__t~0)) (and (not (<= 1 main_~main__t~0)) (= 0 main_~__tmp_11~0))) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= main_~__VERIFIER_assert__cond~11 0)))) (not (= main_~__VERIFIER_assert__cond~4 0)) (= main_~__tmp_5~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__tmp_6~0 main_~__VERIFIER_assert__cond~5) (= main_~main__tagbuf_len~0 main_~main__t~0)) [2019-09-20 15:43:30,053 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 4484#(and (or (and (= |old(~__tmp_3904_1~0)| 0) (= |old(~__return_2598~0)| 0) (= |old(~__tmp_2609_0~0)| 0) (= |old(~__tmp_3904_0~0)| 0) (= ~__return_main~0 0)) (and (= main_~__tmp_1~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= main_~main__tagbuf_len~0 main_~main__t~0))) (= main_~__VERIFIER_assert__cond~0 0)) [2019-09-20 15:43:30,054 INFO L193 IcfgInterpreter]: Reachable states at location mainErr3ASSERT_VIOLATIONERROR_FUNCTION satisfy 14665#(and (= main_~__tmp_4~0 main_~__VERIFIER_assert__cond~3) (= main_~main____CPAchecker_TMP_0~0 ~__tmp_2609_0~0) (not (= main_~__VERIFIER_assert__cond~2 0)) (= main_~__tmp_4~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (= main_~__tmp_3~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~3 0) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)) [2019-09-20 15:43:30,054 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 4491#(= main_~__VERIFIER_assert__cond~1 0) [2019-09-20 15:43:30,054 INFO L193 IcfgInterpreter]: Reachable states at location mainErr15ASSERT_VIOLATIONERROR_FUNCTION satisfy 4507#(or (and (= main_~__tmp_134~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (= main_~__VERIFIER_assert__cond~133 main_~__tmp_134~0) (not (= main_~__VERIFIER_assert__cond~132 0)) (= main_~__VERIFIER_assert__cond~133 0)) (and (= main_~main____CPAchecker_TMP_0~60 0) (or (and (= 1 main_~__tmp_133~0) (<= 0 main_~main__t~0)) (and (= 0 main_~__tmp_133~0) (not (<= 0 main_~main__t~0)))) (or (and (<= main_~main__t~0 main_~main__tagbuf_len~0) (= 1 main_~__tmp_134~0)) (and (= 0 main_~__tmp_134~0) (not (<= main_~main__t~0 main_~main__tagbuf_len~0)))) (= main_~main____CPAchecker_TMP_1~59 ~__tmp_3904_1~0) (not (= main_~main__tagbuf_len~0 main_~main__t~0)) (<= 0 (+ main_~main____CPAchecker_TMP_0~60 2147483648)) (= main_~__VERIFIER_assert__cond~133 0) (= main_~main____CPAchecker_TMP_0~60 ~__tmp_3904_0~0) (= main_~main__t~0 (+ main_~main____CPAchecker_TMP_1~59 1)) (<= main_~main__t~0 (+ main_~main__tagbuf_len~0 1)) (= main_~__VERIFIER_assert__cond~133 main_~__tmp_134~0) (= main_~main____CPAchecker_TMP_0~59 ~__tmp_3904_0~0) (= main_~__VERIFIER_assert__cond~132 main_~__tmp_133~0) (not (= main_~__VERIFIER_assert__cond~132 0)) (= main_~main____CPAchecker_TMP_1~58 ~__tmp_3904_1~0) (<= main_~main____CPAchecker_TMP_0~60 2147483647))) [2019-09-20 15:43:30,054 INFO L193 IcfgInterpreter]: Reachable states at location mainErr6ASSERT_VIOLATIONERROR_FUNCTION satisfy 14638#(and (= main_~__tmp_7~0 main_~__VERIFIER_assert__cond~6) (not (= 0 main_~main____CPAchecker_TMP_4~0)) (= main_~__tmp_7~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~6 0)) [2019-09-20 15:43:30,055 INFO L193 IcfgInterpreter]: Reachable states at location mainErr7ASSERT_VIOLATIONERROR_FUNCTION satisfy 13904#(and (not (= main_~__VERIFIER_assert__cond~6 0)) (= main_~__tmp_8~0 main_~__VERIFIER_assert__cond~7) (= main_~__tmp_7~0 main_~__VERIFIER_assert__cond~6) (not (= 0 main_~main____CPAchecker_TMP_4~0)) (= main_~__tmp_8~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (= main_~__tmp_7~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~7 0)) [2019-09-20 15:43:30,055 INFO L193 IcfgInterpreter]: Reachable states at location mainErr8ASSERT_VIOLATIONERROR_FUNCTION satisfy 11206#(and (not (= main_~__VERIFIER_assert__cond~6 0)) (= main_~__tmp_8~0 main_~__VERIFIER_assert__cond~7) (= main_~__tmp_7~0 main_~__VERIFIER_assert__cond~6) (not (= 0 main_~main____CPAchecker_TMP_4~0)) (or (and (not (<= 0 main_~main____CPAchecker_TMP_5~0)) (= main_~__tmp_7~0 0)) (and (<= 0 main_~main____CPAchecker_TMP_5~0) (= main_~__tmp_7~0 1))) (= main_~__tmp_9~0 (ite (<= 0 main_~main__t~0) 1 0)) (= (+ main_~main____CPAchecker_TMP_5~0 1) main_~main__t~0) (or (and (not (<= main_~main____CPAchecker_TMP_5~0 main_~main__tagbuf_len~0)) (= main_~__tmp_8~0 0)) (and (<= main_~main____CPAchecker_TMP_5~0 main_~main__tagbuf_len~0) (= main_~__tmp_8~0 1))) (= main_~__VERIFIER_assert__cond~8 0) (= main_~__tmp_9~0 main_~__VERIFIER_assert__cond~8) (= main_~main__tagbuf_len~0 main_~main__t~0) (not (= main_~__VERIFIER_assert__cond~7 0))) [2019-09-20 15:43:30,055 INFO L193 IcfgInterpreter]: Reachable states at location mainErr4ASSERT_VIOLATIONERROR_FUNCTION satisfy 14659#(and (= main_~__tmp_5~0 main_~__VERIFIER_assert__cond~4) (or (and (= main_~__tmp_4~0 main_~__VERIFIER_assert__cond~3) (not (= main_~__VERIFIER_assert__cond~3 0)) (or (and (= main_~__tmp_3~0 1) (<= 0 main_~main____CPAchecker_TMP_2~0)) (and (= main_~__tmp_3~0 0) (not (<= 0 main_~main____CPAchecker_TMP_2~0)))) (= main_~main____CPAchecker_TMP_0~0 ~__tmp_2609_0~0) (= (+ main_~main____CPAchecker_TMP_2~0 1) main_~main__t~0) (not (= main_~__VERIFIER_assert__cond~2 0)) (or (and (<= main_~main____CPAchecker_TMP_2~0 main_~main__tagbuf_len~0) (= main_~__tmp_4~0 1)) (and (not (<= main_~main____CPAchecker_TMP_2~0 main_~main__tagbuf_len~0)) (= main_~__tmp_4~0 0))) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)) (and (= main_~__VERIFIER_assert__cond~10 main_~__tmp_11~0) (= main_~__VERIFIER_assert__cond~11 main_~__tmp_12~0) (or (and (= 1 main_~__tmp_12~0) (<= main_~main__t~0 (+ main_~main__tagbuf_len~0 1))) (and (= 0 main_~__tmp_12~0) (not (<= main_~main__t~0 (+ main_~main__tagbuf_len~0 1))))) (= main_~main__t~0 (+ main_~main____CPAchecker_TMP_7~0 1)) (or (and (= 1 main_~__tmp_11~0) (<= 1 main_~main__t~0)) (and (not (<= 1 main_~main__t~0)) (= 0 main_~__tmp_11~0))) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= main_~__VERIFIER_assert__cond~11 0)))) (= main_~__tmp_5~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~main__tagbuf_len~0 main_~main__t~0) (= main_~__VERIFIER_assert__cond~4 0)) [2019-09-20 15:43:30,055 INFO L193 IcfgInterpreter]: Reachable states at location mainErr11ASSERT_VIOLATIONERROR_FUNCTION satisfy 11949#(and (= main_~__VERIFIER_assert__cond~10 main_~__tmp_11~0) (= main_~__VERIFIER_assert__cond~11 main_~__tmp_12~0) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_12~0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_11~0) (not (= main_~__VERIFIER_assert__cond~10 0)) (= main_~__VERIFIER_assert__cond~11 0)) [2019-09-20 15:43:30,056 INFO L193 IcfgInterpreter]: Reachable states at location mainErr12ASSERT_VIOLATIONERROR_FUNCTION satisfy 14577#(and (not (= 0 main_~main____CPAchecker_TMP_6~0)) (= main_~main____CPAchecker_TMP_3~0 0) (= main_~__VERIFIER_assert__cond~12 0) (= main_~__VERIFIER_assert__cond~12 main_~__tmp_13~0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_13~0)) [2019-09-20 15:43:30,056 INFO L193 IcfgInterpreter]: Reachable states at location mainErr13ASSERT_VIOLATIONERROR_FUNCTION satisfy 13208#(and (not (= 0 main_~main____CPAchecker_TMP_6~0)) (= main_~__VERIFIER_assert__cond~13 main_~__tmp_14~0) (= main_~main____CPAchecker_TMP_3~0 0) (not (= main_~__VERIFIER_assert__cond~12 0)) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_14~0) (= main_~__VERIFIER_assert__cond~13 0) (= main_~__VERIFIER_assert__cond~12 main_~__tmp_13~0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_13~0)) [2019-09-20 15:43:30,056 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 14670#(and (= main_~__VERIFIER_assert__cond~2 0) (= main_~main____CPAchecker_TMP_0~0 ~__tmp_2609_0~0) (= main_~__tmp_3~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)) [2019-09-20 15:43:30,056 INFO L193 IcfgInterpreter]: Reachable states at location mainErr10ASSERT_VIOLATIONERROR_FUNCTION satisfy 12534#(= main_~__VERIFIER_assert__cond~10 0) [2019-09-20 15:43:30,057 INFO L193 IcfgInterpreter]: Reachable states at location mainErr9ASSERT_VIOLATIONERROR_FUNCTION satisfy 14819#(and (= main_~__tmp_9~0 (ite (<= 0 main_~main__t~0) 1 0)) (not (= main_~__VERIFIER_assert__cond~8 0)) (= main_~__VERIFIER_assert__cond~9 0) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_10~0) (= main_~__VERIFIER_assert__cond~9 main_~__tmp_10~0) (= main_~__tmp_9~0 main_~__VERIFIER_assert__cond~8) (= main_~main__tagbuf_len~0 main_~main__t~0)) [2019-09-20 15:43:30,057 INFO L193 IcfgInterpreter]: Reachable states at location mainErr14ASSERT_VIOLATIONERROR_FUNCTION satisfy 4500#(= main_~__VERIFIER_assert__cond~132 0) [2019-09-20 15:43:30,098 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:43:30,098 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:43:30,100 INFO L168 Benchmark]: Toolchain (without parser) took 23167.66 ms. Allocated memory was 136.8 MB in the beginning and 881.9 MB in the end (delta: 745.0 MB). Free memory was 86.6 MB in the beginning and 493.9 MB in the end (delta: -407.3 MB). Peak memory consumption was 337.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:43:30,101 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:43:30,102 INFO L168 Benchmark]: CACSL2BoogieTranslator took 914.59 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 86.4 MB in the beginning and 155.9 MB in the end (delta: -69.6 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:43:30,103 INFO L168 Benchmark]: Boogie Preprocessor took 122.97 ms. Allocated memory is still 201.3 MB. Free memory was 155.9 MB in the beginning and 150.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:43:30,104 INFO L168 Benchmark]: RCFGBuilder took 1503.76 ms. Allocated memory was 201.3 MB in the beginning and 227.0 MB in the end (delta: 25.7 MB). Free memory was 150.7 MB in the beginning and 97.1 MB in the end (delta: 53.6 MB). Peak memory consumption was 79.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:43:30,105 INFO L168 Benchmark]: Sifa took 20622.77 ms. Allocated memory was 227.0 MB in the beginning and 881.9 MB in the end (delta: 654.8 MB). Free memory was 97.1 MB in the beginning and 493.9 MB in the end (delta: -396.7 MB). Peak memory consumption was 258.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:43:30,112 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 914.59 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 86.4 MB in the beginning and 155.9 MB in the end (delta: -69.6 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.97 ms. Allocated memory is still 201.3 MB. Free memory was 155.9 MB in the beginning and 150.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1503.76 ms. Allocated memory was 201.3 MB in the beginning and 227.0 MB in the end (delta: 25.7 MB). Free memory was 150.7 MB in the beginning and 97.1 MB in the end (delta: 53.6 MB). Peak memory consumption was 79.5 MB. Max. memory is 7.1 GB. * Sifa took 20622.77 ms. Allocated memory was 227.0 MB in the beginning and 881.9 MB in the end (delta: 654.8 MB). Free memory was 97.1 MB in the beginning and 493.9 MB in the end (delta: -396.7 MB). Peak memory consumption was 258.1 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]: 20533, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 3226, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 3001, TOOLS_POST_TIME[ms]: 2192, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 25, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 3, TOOLS_QUANTIFIERELIM_APPLICATIONS: 3004, TOOLS_QUANTIFIERELIM_TIME[ms]: 1692, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 58, FLUID_QUERIES: 3410, FLUID_YES_ANSWERS: 64, DOMAIN_JOIN_APPLICATIONS: 1923, DOMAIN_JOIN_TIME[ms]: 10434, DOMAIN_ALPHA_APPLICATIONS: 64, DOMAIN_ALPHA_TIME[ms]: 1299, DOMAIN_WIDEN_APPLICATIONS: 107, DOMAIN_WIDEN_TIME[ms]: 3344, DOMAIN_ISSUBSETEQ_APPLICATIONS: 184, DOMAIN_ISSUBSETEQ_TIME[ms]: 536, DOMAIN_ISBOTTOM_APPLICATIONS: 517, DOMAIN_ISBOTTOM_TIME[ms]: 964, LOOP_SUMMARIZER_APPLICATIONS: 77, LOOP_SUMMARIZER_CACHE_MISSES: 77, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 15767, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 15765, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 184, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 78, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 78, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 11, PATH_EXPR_TIME[ms]: 50, REGEX_TO_DAG_TIME[ms]: 67, DAG_COMPRESSION_TIME[ms]: 1243, DAG_COMPRESSION_PROCESSED_NODES: 87919, DAG_COMPRESSION_RETAINED_NODES: 1419 - PositiveResult [Line: 112]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 30]: 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 4484#(and (or (and (= |old(~__tmp_3904_1~0)| 0) (= |old(~__return_2598~0)| 0) (= |old(~__tmp_2609_0~0)| 0) (= |old(~__tmp_3904_0~0)| 0) (= ~__return_main~0 0)) (and (= main_~__tmp_1~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= main_~main__tagbuf_len~0 main_~main__t~0))) (= main_~__VERIFIER_assert__cond~0 0)). Possible FailurePath: - UnprovableResult [Line: 83]: 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 14665#(and (= main_~__tmp_4~0 main_~__VERIFIER_assert__cond~3) (= main_~main____CPAchecker_TMP_0~0 ~__tmp_2609_0~0) (not (= main_~__VERIFIER_assert__cond~2 0)) (= main_~__tmp_4~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (= main_~__tmp_3~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~3 0) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)). Possible FailurePath: - UnprovableResult [Line: 42]: 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 4491#(= main_~__VERIFIER_assert__cond~1 0). Possible FailurePath: - UnprovableResult [Line: 2611]: 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 4507#(or (and (= main_~__tmp_134~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (= main_~__VERIFIER_assert__cond~133 main_~__tmp_134~0) (not (= main_~__VERIFIER_assert__cond~132 0)) (= main_~__VERIFIER_assert__cond~133 0)) (and (= main_~main____CPAchecker_TMP_0~60 0) (or (and (= 1 main_~__tmp_133~0) (<= 0 main_~main__t~0)) (and (= 0 main_~__tmp_133~0) (not (<= 0 main_~main__t~0)))) (or (and (<= main_~main__t~0 main_~main__tagbuf_len~0) (= 1 main_~__tmp_134~0)) (and (= 0 main_~__tmp_134~0) (not (<= main_~main__t~0 main_~main__tagbuf_len~0)))) (= main_~main____CPAchecker_TMP_1~59 ~__tmp_3904_1~0) (not (= main_~main__tagbuf_len~0 main_~main__t~0)) (<= 0 (+ main_~main____CPAchecker_TMP_0~60 2147483648)) (= main_~__VERIFIER_assert__cond~133 0) (= main_~main____CPAchecker_TMP_0~60 ~__tmp_3904_0~0) (= main_~main__t~0 (+ main_~main____CPAchecker_TMP_1~59 1)) (<= main_~main__t~0 (+ main_~main__tagbuf_len~0 1)) (= main_~__VERIFIER_assert__cond~133 main_~__tmp_134~0) (= main_~main____CPAchecker_TMP_0~59 ~__tmp_3904_0~0) (= main_~__VERIFIER_assert__cond~132 main_~__tmp_133~0) (not (= main_~__VERIFIER_assert__cond~132 0)) (= main_~main____CPAchecker_TMP_1~58 ~__tmp_3904_1~0) (<= main_~main____CPAchecker_TMP_0~60 2147483647))). Possible FailurePath: - UnprovableResult [Line: 140]: 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 14638#(and (= main_~__tmp_7~0 main_~__VERIFIER_assert__cond~6) (not (= 0 main_~main____CPAchecker_TMP_4~0)) (= main_~__tmp_7~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~6 0)). Possible FailurePath: - UnprovableResult [Line: 152]: 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 13904#(and (not (= main_~__VERIFIER_assert__cond~6 0)) (= main_~__tmp_8~0 main_~__VERIFIER_assert__cond~7) (= main_~__tmp_7~0 main_~__VERIFIER_assert__cond~6) (not (= 0 main_~main____CPAchecker_TMP_4~0)) (= main_~__tmp_8~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (= main_~__tmp_7~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~7 0)). Possible FailurePath: - PositiveResult [Line: 168]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 100]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 214]: 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 11949#(and (= main_~__VERIFIER_assert__cond~10 main_~__tmp_11~0) (= main_~__VERIFIER_assert__cond~11 main_~__tmp_12~0) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_12~0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_11~0) (not (= main_~__VERIFIER_assert__cond~10 0)) (= main_~__VERIFIER_assert__cond~11 0)). Possible FailurePath: - UnprovableResult [Line: 250]: 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 14577#(and (not (= 0 main_~main____CPAchecker_TMP_6~0)) (= main_~main____CPAchecker_TMP_3~0 0) (= main_~__VERIFIER_assert__cond~12 0) (= main_~__VERIFIER_assert__cond~12 main_~__tmp_13~0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_13~0)). Possible FailurePath: - UnprovableResult [Line: 262]: 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 13208#(and (not (= 0 main_~main____CPAchecker_TMP_6~0)) (= main_~__VERIFIER_assert__cond~13 main_~__tmp_14~0) (= main_~main____CPAchecker_TMP_3~0 0) (not (= main_~__VERIFIER_assert__cond~12 0)) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_14~0) (= main_~__VERIFIER_assert__cond~13 0) (= main_~__VERIFIER_assert__cond~12 main_~__tmp_13~0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_13~0)). Possible FailurePath: - UnprovableResult [Line: 71]: 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 14670#(and (= main_~__VERIFIER_assert__cond~2 0) (= main_~main____CPAchecker_TMP_0~0 ~__tmp_2609_0~0) (= main_~__tmp_3~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)). Possible FailurePath: - UnprovableResult [Line: 202]: 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 12534#(= main_~__VERIFIER_assert__cond~10 0). Possible FailurePath: - PositiveResult [Line: 180]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 2599]: 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 4500#(= main_~__VERIFIER_assert__cond~132 0). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...