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.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 15:37:43,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 15:37:43,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 15:37:43,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 15:37:43,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 15:37:43,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 15:37:43,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 15:37:43,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 15:37:43,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 15:37:43,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 15:37:43,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 15:37:43,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 15:37:43,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 15:37:43,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 15:37:43,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 15:37:43,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 15:37:43,894 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 15:37:43,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 15:37:43,897 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 15:37:43,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 15:37:43,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 15:37:43,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 15:37:43,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 15:37:43,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 15:37:43,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 15:37:43,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 15:37:43,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 15:37:43,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 15:37:43,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 15:37:43,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 15:37:43,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 15:37:43,918 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 15:37:43,919 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 15:37:43,919 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 15:37:43,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 15:37:43,922 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 15:37:43,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 15:37:43,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 15:37:43,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 15:37:43,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 15:37:43,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 15:37:43,926 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 [2019-09-25 15:37:43,960 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 15:37:43,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 15:37:43,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 15:37:43,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 15:37:43,962 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 15:37:43,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 15:37:43,963 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 15:37:43,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 15:37:43,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 15:37:43,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 15:37:43,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 15:37:43,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 15:37:43,969 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 15:37:43,969 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 15:37:43,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 15:37:43,970 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 15:37:43,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 15:37:43,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 15:37:43,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 15:37:43,970 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 15:37:43,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 15:37:43,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 15:37:43,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 15:37:43,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 15:37:43,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 15:37:43,972 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 15:37:43,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 15:37:43,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 15:37:43,972 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-25 15:37:44,019 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 15:37:44,032 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 15:37:44,035 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 15:37:44,037 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 15:37:44,037 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 15:37:44,038 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+sep-reducer.c [2019-09-25 15:37:44,102 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fb4dca9f/6ee7975c5ffa4f3abd07111e0cee20b1/FLAG2aef5eba3 [2019-09-25 15:37:44,706 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 15:37:44,707 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+sep-reducer.c [2019-09-25 15:37:44,741 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fb4dca9f/6ee7975c5ffa4f3abd07111e0cee20b1/FLAG2aef5eba3 [2019-09-25 15:37:44,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fb4dca9f/6ee7975c5ffa4f3abd07111e0cee20b1 [2019-09-25 15:37:44,937 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 15:37:44,938 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 15:37:44,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 15:37:44,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 15:37:44,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 15:37:44,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:37:44" (1/1) ... [2019-09-25 15:37:44,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c806856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:44, skipping insertion in model container [2019-09-25 15:37:44,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:37:44" (1/1) ... [2019-09-25 15:37:44,956 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 15:37:45,065 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 15:37:46,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:37:46,053 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 15:37:46,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:37:46,367 INFO L192 MainTranslator]: Completed translation [2019-09-25 15:37:46,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:46 WrapperNode [2019-09-25 15:37:46,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 15:37:46,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 15:37:46,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 15:37:46,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 15:37:46,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:46" (1/1) ... [2019-09-25 15:37:46,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:46" (1/1) ... [2019-09-25 15:37:46,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:46" (1/1) ... [2019-09-25 15:37:46,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:46" (1/1) ... [2019-09-25 15:37:46,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:46" (1/1) ... [2019-09-25 15:37:46,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:46" (1/1) ... [2019-09-25 15:37:46,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:46" (1/1) ... [2019-09-25 15:37:46,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 15:37:46,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 15:37:46,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 15:37:46,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 15:37:46,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:46" (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 [2019-09-25 15:37:46,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 15:37:46,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 15:37:46,705 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 15:37:46,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 15:37:46,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-25 15:37:46,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-25 15:37:46,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 15:37:46,709 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 15:37:46,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 15:37:46,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 15:37:49,280 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 15:37:49,281 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-25 15:37:49,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:37:49 BoogieIcfgContainer [2019-09-25 15:37:49,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 15:37:49,284 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 15:37:49,284 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 15:37:49,286 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 15:37:49,288 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:37:49" (1/1) ... [2019-09-25 15:37:49,289 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ 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 [2019-09-25 15:37:49,326 INFO L162 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-09-25 15:37:49,327 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 15:37:49,354 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 15:37:49,363 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 15:37:49,365 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 15:37:49,531 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 44 for LOIs [2019-09-25 15:37:50,493 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-25 15:37:50,798 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:50,835 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:50,932 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:50,955 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,032 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,057 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,113 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,174 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,222 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,237 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,286 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,302 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,350 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,367 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,417 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,432 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,479 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,494 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,543 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,565 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,613 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,628 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,691 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,709 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,762 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,778 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,830 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,855 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,895 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,911 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,957 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:51,973 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,007 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,022 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,071 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,127 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,140 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,727 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-25 15:37:52,773 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 15:37:52,773 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 15:37:52,775 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 3930#(or (and (= |old(~__tmp_218_0~0)| 0) (= |old(~__tmp_179_2~0)| 0) (= |old(~__tmp_109_0~0)| 0) (= |old(~__tmp_109_1~0)| 0) (= main_~__VERIFIER_assert__cond~1 0) (= |old(~__tmp_148_0~0)| 0) (= |old(~__tmp_2390_1~0)| 0) (= ~__return_main~0 0) (= |old(~__return_2583~0)| 0) (= |old(~__tmp_2390_0~0)| 0) (= |old(~__tmp_179_0~0)| 0) (= |old(~__tmp_179_1~0)| 0)) (and (= main_~__tmp_1~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~1 0) (= main_~__tmp_2~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1) (not (= main_~__VERIFIER_assert__cond~0 0)) (= main_~main__tagbuf_len~0 main_~main__t~0))) [2019-09-25 15:37:52,776 INFO L193 IcfgInterpreter]: Reachable states at location mainErr5ASSERT_VIOLATIONERROR_FUNCTION satisfy 3716#(and (= main_~__VERIFIER_assert__cond~273 0) (not (= main_~main____CPAchecker_TMP_0~60 0)) (= main_~__VERIFIER_assert__cond~272 main_~__tmp_273~0) (= main_~__tmp_274~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (= main_~__VERIFIER_assert__cond~273 main_~__tmp_274~0) (= main_~__tmp_273~0 (ite (<= 0 main_~main__t~0) 1 0)) (not (= main_~__VERIFIER_assert__cond~272 0))) [2019-09-25 15:37:52,776 INFO L193 IcfgInterpreter]: Reachable states at location mainErr9ASSERT_VIOLATIONERROR_FUNCTION satisfy 3626#(and (not (= main_~__VERIFIER_assert__cond~276 0)) (<= main_~main____CPAchecker_TMP_4~3 2147483647) (= main_~__VERIFIER_assert__cond~277 0) (= main_~__VERIFIER_assert__cond~277 main_~__tmp_278~0) (<= 0 (+ main_~main____CPAchecker_TMP_4~3 2147483648)) (= main_~__tmp_278~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (not (= 0 main_~main____CPAchecker_TMP_3~3)) (= main_~__tmp_277~0 (ite (<= 0 main_~main__t~0) 1 0)) (not (= 0 main_~main____CPAchecker_TMP_4~3)) (= main_~__VERIFIER_assert__cond~276 main_~__tmp_277~0)) [2019-09-25 15:37:52,776 INFO L193 IcfgInterpreter]: Reachable states at location mainErr8ASSERT_VIOLATIONERROR_FUNCTION satisfy 3459#(and (<= main_~main____CPAchecker_TMP_4~3 2147483647) (<= 0 (+ main_~main____CPAchecker_TMP_4~3 2147483648)) (= main_~__VERIFIER_assert__cond~276 0) (not (= 0 main_~main____CPAchecker_TMP_3~3)) (= main_~__tmp_277~0 (ite (<= 0 main_~main__t~0) 1 0)) (not (= 0 main_~main____CPAchecker_TMP_4~3)) (= main_~__VERIFIER_assert__cond~276 main_~__tmp_277~0)) [2019-09-25 15:37:52,777 INFO L193 IcfgInterpreter]: Reachable states at location mainErr13ASSERT_VIOLATIONERROR_FUNCTION satisfy 3712#(and (= main_~__tmp_282~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (not (= main_~__VERIFIER_assert__cond~280 0)) (= main_~__VERIFIER_assert__cond~281 main_~__tmp_282~0) (= main_~__VERIFIER_assert__cond~281 0)) [2019-09-25 15:37:52,777 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 3814#(= main_~__VERIFIER_assert__cond~270 0) [2019-09-25 15:37:52,777 INFO L193 IcfgInterpreter]: Reachable states at location mainErr12ASSERT_VIOLATIONERROR_FUNCTION satisfy 3692#(= main_~__VERIFIER_assert__cond~280 0) [2019-09-25 15:37:52,778 INFO L193 IcfgInterpreter]: Reachable states at location mainErr7ASSERT_VIOLATIONERROR_FUNCTION satisfy 3673#(= main_~__VERIFIER_assert__cond~275 0) [2019-09-25 15:37:52,778 INFO L193 IcfgInterpreter]: Reachable states at location mainErr11ASSERT_VIOLATIONERROR_FUNCTION satisfy 3479#(or (and (= main_~__tmp_278~0 0) (= main_~__VERIFIER_assert__cond~279 0)) (and (= main_~__VERIFIER_assert__cond~279 0) (= main_~__tmp_278~0 1))) [2019-09-25 15:37:52,778 INFO L193 IcfgInterpreter]: Reachable states at location mainErr4ASSERT_VIOLATIONERROR_FUNCTION satisfy 3296#(and (= main_~__VERIFIER_assert__cond~272 0) (not (= main_~main____CPAchecker_TMP_0~60 0)) (= main_~__VERIFIER_assert__cond~272 main_~__tmp_273~0) (= main_~__tmp_273~0 (ite (<= 0 main_~main__t~0) 1 0))) [2019-09-25 15:37:52,778 INFO L193 IcfgInterpreter]: Reachable states at location mainErr14ASSERT_VIOLATIONERROR_FUNCTION satisfy 3622#(and (<= main_~main____CPAchecker_TMP_6~3 2147483647) (= main_~__VERIFIER_assert__cond~282 main_~__tmp_283~0) (= main_~__tmp_283~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~282 0) (<= 0 (+ main_~main____CPAchecker_TMP_6~3 2147483648)) (= 0 main_~main____CPAchecker_TMP_3~3) (not (= 0 main_~main____CPAchecker_TMP_6~3))) [2019-09-25 15:37:52,779 INFO L193 IcfgInterpreter]: Reachable states at location mainErr10ASSERT_VIOLATIONERROR_FUNCTION satisfy 3470#(or (and (= main_~__VERIFIER_assert__cond~278 0) (= main_~__tmp_278~0 1)) (and (= main_~__tmp_278~0 0) (= main_~__VERIFIER_assert__cond~278 0))) [2019-09-25 15:37:52,779 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 3923#(or (and (= |old(~__tmp_218_0~0)| 0) (= |old(~__tmp_179_2~0)| 0) (= |old(~__tmp_109_0~0)| 0) (= |old(~__tmp_109_1~0)| 0) (= main_~__VERIFIER_assert__cond~0 0) (= |old(~__tmp_148_0~0)| 0) (= |old(~__tmp_2390_1~0)| 0) (= ~__return_main~0 0) (= |old(~__return_2583~0)| 0) (= |old(~__tmp_2390_0~0)| 0) (= |old(~__tmp_179_0~0)| 0) (= |old(~__tmp_179_1~0)| 0)) (and (= main_~__tmp_1~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= main_~main__tagbuf_len~0 main_~main__t~0))) [2019-09-25 15:37:52,779 INFO L193 IcfgInterpreter]: Reachable states at location mainErr3ASSERT_VIOLATIONERROR_FUNCTION satisfy 3801#(and (= main_~__tmp_272~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (= main_~__VERIFIER_assert__cond~271 0) (not (= main_~__VERIFIER_assert__cond~270 0)) (= main_~__VERIFIER_assert__cond~271 main_~__tmp_272~0)) [2019-09-25 15:37:52,780 INFO L193 IcfgInterpreter]: Reachable states at location mainErr6ASSERT_VIOLATIONERROR_FUNCTION satisfy 3656#(= main_~__VERIFIER_assert__cond~274 0) [2019-09-25 15:37:52,780 INFO L193 IcfgInterpreter]: Reachable states at location mainErr15ASSERT_VIOLATIONERROR_FUNCTION satisfy 3616#(and (= main_~__VERIFIER_assert__cond~283 0) (<= main_~main____CPAchecker_TMP_6~3 2147483647) (= main_~__VERIFIER_assert__cond~282 main_~__tmp_283~0) (= main_~__tmp_283~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~283 main_~__tmp_284~0) (<= 0 (+ main_~main____CPAchecker_TMP_6~3 2147483648)) (= 0 main_~main____CPAchecker_TMP_3~3) (not (= 0 main_~main____CPAchecker_TMP_6~3)) (= main_~__tmp_284~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (not (= main_~__VERIFIER_assert__cond~282 0))) [2019-09-25 15:37:52,814 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 15:37:52,814 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 15:37:52,816 INFO L168 Benchmark]: Toolchain (without parser) took 7877.53 ms. Allocated memory was 130.0 MB in the beginning and 450.4 MB in the end (delta: 320.3 MB). Free memory was 82.7 MB in the beginning and 316.9 MB in the end (delta: -234.2 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB. [2019-09-25 15:37:52,818 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 130.0 MB. Free memory was 104.2 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 15:37:52,819 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1428.73 ms. Allocated memory was 130.0 MB in the beginning and 198.7 MB in the end (delta: 68.7 MB). Free memory was 82.5 MB in the beginning and 132.4 MB in the end (delta: -49.9 MB). Peak memory consumption was 41.3 MB. Max. memory is 7.1 GB. [2019-09-25 15:37:52,820 INFO L168 Benchmark]: Boogie Preprocessor took 227.43 ms. Allocated memory is still 198.7 MB. Free memory was 132.4 MB in the beginning and 124.2 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-09-25 15:37:52,821 INFO L168 Benchmark]: RCFGBuilder took 2686.81 ms. Allocated memory was 198.7 MB in the beginning and 279.4 MB in the end (delta: 80.7 MB). Free memory was 124.2 MB in the beginning and 137.2 MB in the end (delta: -13.1 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. [2019-09-25 15:37:52,822 INFO L168 Benchmark]: Sifa took 3530.24 ms. Allocated memory was 279.4 MB in the beginning and 450.4 MB in the end (delta: 170.9 MB). Free memory was 137.2 MB in the beginning and 316.9 MB in the end (delta: -179.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-25 15:37:52,826 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 130.0 MB. Free memory was 104.2 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1428.73 ms. Allocated memory was 130.0 MB in the beginning and 198.7 MB in the end (delta: 68.7 MB). Free memory was 82.5 MB in the beginning and 132.4 MB in the end (delta: -49.9 MB). Peak memory consumption was 41.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 227.43 ms. Allocated memory is still 198.7 MB. Free memory was 132.4 MB in the beginning and 124.2 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2686.81 ms. Allocated memory was 198.7 MB in the beginning and 279.4 MB in the end (delta: 80.7 MB). Free memory was 124.2 MB in the beginning and 137.2 MB in the end (delta: -13.1 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. * Sifa took 3530.24 ms. Allocated memory was 279.4 MB in the beginning and 450.4 MB in the end (delta: 170.9 MB). Free memory was 137.2 MB in the beginning and 316.9 MB in the end (delta: -179.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 3454, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 731, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 714, TOOLS_POST_TIME[ms]: 331, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 34, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 3, TOOLS_QUANTIFIERELIM_APPLICATIONS: 717, TOOLS_QUANTIFIERELIM_TIME[ms]: 216, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 20, FLUID_QUERY_TIME[ms]: 30, FLUID_QUERIES: 740, FLUID_YES_ANSWERS: 40, DOMAIN_JOIN_APPLICATIONS: 172, DOMAIN_JOIN_TIME[ms]: 1375, DOMAIN_ALPHA_APPLICATIONS: 40, DOMAIN_ALPHA_TIME[ms]: 361, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 29, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 24, DOMAIN_ISBOTTOM_APPLICATIONS: 146, DOMAIN_ISBOTTOM_TIME[ms]: 330, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 267, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 266, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 88, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 88, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 121, REGEX_TO_DAG_TIME[ms]: 27, DAG_COMPRESSION_TIME[ms]: 610, DAG_COMPRESSION_PROCESSED_NODES: 55406, DAG_COMPRESSION_RETAINED_NODES: 2241 - UnprovableResult [Line: 48]: 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 3930#(or (and (= |old(~__tmp_218_0~0)| 0) (= |old(~__tmp_179_2~0)| 0) (= |old(~__tmp_109_0~0)| 0) (= |old(~__tmp_109_1~0)| 0) (= main_~__VERIFIER_assert__cond~1 0) (= |old(~__tmp_148_0~0)| 0) (= |old(~__tmp_2390_1~0)| 0) (= ~__return_main~0 0) (= |old(~__return_2583~0)| 0) (= |old(~__tmp_2390_0~0)| 0) (= |old(~__tmp_179_0~0)| 0) (= |old(~__tmp_179_1~0)| 0)) (and (= main_~__tmp_1~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~1 0) (= main_~__tmp_2~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1) (not (= main_~__VERIFIER_assert__cond~0 0)) (= main_~main__tagbuf_len~0 main_~main__t~0))). Possible FailurePath: - UnprovableResult [Line: 4721]: 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 3716#(and (= main_~__VERIFIER_assert__cond~273 0) (not (= main_~main____CPAchecker_TMP_0~60 0)) (= main_~__VERIFIER_assert__cond~272 main_~__tmp_273~0) (= main_~__tmp_274~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (= main_~__VERIFIER_assert__cond~273 main_~__tmp_274~0) (= main_~__tmp_273~0 (ite (<= 0 main_~main__t~0) 1 0)) (not (= main_~__VERIFIER_assert__cond~272 0))). Possible FailurePath: - UnprovableResult [Line: 4790]: 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 3626#(and (not (= main_~__VERIFIER_assert__cond~276 0)) (<= main_~main____CPAchecker_TMP_4~3 2147483647) (= main_~__VERIFIER_assert__cond~277 0) (= main_~__VERIFIER_assert__cond~277 main_~__tmp_278~0) (<= 0 (+ main_~main____CPAchecker_TMP_4~3 2147483648)) (= main_~__tmp_278~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (not (= 0 main_~main____CPAchecker_TMP_3~3)) (= main_~__tmp_277~0 (ite (<= 0 main_~main__t~0) 1 0)) (not (= 0 main_~main____CPAchecker_TMP_4~3)) (= main_~__VERIFIER_assert__cond~276 main_~__tmp_277~0)). Possible FailurePath: - UnprovableResult [Line: 4778]: 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 3459#(and (<= main_~main____CPAchecker_TMP_4~3 2147483647) (<= 0 (+ main_~main____CPAchecker_TMP_4~3 2147483648)) (= main_~__VERIFIER_assert__cond~276 0) (not (= 0 main_~main____CPAchecker_TMP_3~3)) (= main_~__tmp_277~0 (ite (<= 0 main_~main__t~0) 1 0)) (not (= 0 main_~main____CPAchecker_TMP_4~3)) (= main_~__VERIFIER_assert__cond~276 main_~__tmp_277~0)). Possible FailurePath: - UnprovableResult [Line: 4861]: 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 3712#(and (= main_~__tmp_282~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (not (= main_~__VERIFIER_assert__cond~280 0)) (= main_~__VERIFIER_assert__cond~281 main_~__tmp_282~0) (= main_~__VERIFIER_assert__cond~281 0)). Possible FailurePath: - UnprovableResult [Line: 4673]: 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 3814#(= main_~__VERIFIER_assert__cond~270 0). Possible FailurePath: - UnprovableResult [Line: 4849]: 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 3692#(= main_~__VERIFIER_assert__cond~280 0). Possible FailurePath: - UnprovableResult [Line: 4750]: 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 3673#(= main_~__VERIFIER_assert__cond~275 0). Possible FailurePath: - UnprovableResult [Line: 4818]: 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 3479#(or (and (= main_~__tmp_278~0 0) (= main_~__VERIFIER_assert__cond~279 0)) (and (= main_~__VERIFIER_assert__cond~279 0) (= main_~__tmp_278~0 1))). Possible FailurePath: - UnprovableResult [Line: 4709]: 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 3296#(and (= main_~__VERIFIER_assert__cond~272 0) (not (= main_~main____CPAchecker_TMP_0~60 0)) (= main_~__VERIFIER_assert__cond~272 main_~__tmp_273~0) (= main_~__tmp_273~0 (ite (<= 0 main_~main__t~0) 1 0))). Possible FailurePath: - UnprovableResult [Line: 4888]: 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 3622#(and (<= main_~main____CPAchecker_TMP_6~3 2147483647) (= main_~__VERIFIER_assert__cond~282 main_~__tmp_283~0) (= main_~__tmp_283~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~282 0) (<= 0 (+ main_~main____CPAchecker_TMP_6~3 2147483648)) (= 0 main_~main____CPAchecker_TMP_3~3) (not (= 0 main_~main____CPAchecker_TMP_6~3))). Possible FailurePath: - UnprovableResult [Line: 4806]: 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 3470#(or (and (= main_~__VERIFIER_assert__cond~278 0) (= main_~__tmp_278~0 1)) (and (= main_~__tmp_278~0 0) (= main_~__VERIFIER_assert__cond~278 0))). Possible FailurePath: - UnprovableResult [Line: 36]: 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 3923#(or (and (= |old(~__tmp_218_0~0)| 0) (= |old(~__tmp_179_2~0)| 0) (= |old(~__tmp_109_0~0)| 0) (= |old(~__tmp_109_1~0)| 0) (= main_~__VERIFIER_assert__cond~0 0) (= |old(~__tmp_148_0~0)| 0) (= |old(~__tmp_2390_1~0)| 0) (= ~__return_main~0 0) (= |old(~__return_2583~0)| 0) (= |old(~__tmp_2390_0~0)| 0) (= |old(~__tmp_179_0~0)| 0) (= |old(~__tmp_179_1~0)| 0)) (and (= main_~__tmp_1~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= main_~main__tagbuf_len~0 main_~main__t~0))). Possible FailurePath: - UnprovableResult [Line: 4685]: 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 3801#(and (= main_~__tmp_272~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (= main_~__VERIFIER_assert__cond~271 0) (not (= main_~__VERIFIER_assert__cond~270 0)) (= main_~__VERIFIER_assert__cond~271 main_~__tmp_272~0)). Possible FailurePath: - UnprovableResult [Line: 4738]: 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 3656#(= main_~__VERIFIER_assert__cond~274 0). Possible FailurePath: - UnprovableResult [Line: 4900]: 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 3616#(and (= main_~__VERIFIER_assert__cond~283 0) (<= main_~main____CPAchecker_TMP_6~3 2147483647) (= main_~__VERIFIER_assert__cond~282 main_~__tmp_283~0) (= main_~__tmp_283~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~283 main_~__tmp_284~0) (<= 0 (+ main_~main____CPAchecker_TMP_6~3 2147483648)) (= 0 main_~main____CPAchecker_TMP_3~3) (not (= 0 main_~main____CPAchecker_TMP_6~3)) (= main_~__tmp_284~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (not (= main_~__VERIFIER_assert__cond~282 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...