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.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 15:37:44,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 15:37:44,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 15:37:44,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 15:37:44,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 15:37:44,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 15:37:44,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 15:37:44,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 15:37:44,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 15:37:44,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 15:37:44,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 15:37:44,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 15:37:44,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 15:37:44,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 15:37:44,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 15:37:44,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 15:37:44,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 15:37:44,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 15:37:44,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 15:37:44,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 15:37:44,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 15:37:44,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 15:37:44,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 15:37:44,360 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 15:37:44,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 15:37:44,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 15:37:44,363 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 15:37:44,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 15:37:44,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 15:37:44,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 15:37:44,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 15:37:44,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 15:37:44,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 15:37:44,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 15:37:44,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 15:37:44,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 15:37:44,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 15:37:44,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 15:37:44,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 15:37:44,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 15:37:44,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 15:37:44,373 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 15:37:44,395 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 15:37:44,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 15:37:44,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 15:37:44,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 15:37:44,398 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 15:37:44,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 15:37:44,399 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 15:37:44,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 15:37:44,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 15:37:44,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 15:37:44,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 15:37:44,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 15:37:44,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 15:37:44,401 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 15:37:44,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 15:37:44,401 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 15:37:44,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 15:37:44,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 15:37:44,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 15:37:44,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 15:37:44,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 15:37:44,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 15:37:44,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 15:37:44,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 15:37:44,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 15:37:44,404 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 15:37:44,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 15:37:44,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 15:37:44,404 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 15:37:44,444 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 15:37:44,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 15:37:44,465 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 15:37:44,467 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 15:37:44,467 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 15:37:44,468 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+nlh-reducer.c [2019-09-25 15:37:44,543 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91d38f28d/c58b8db0b46a40aa9fd343cda77080da/FLAG4c5ad6035 [2019-09-25 15:37:44,986 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 15:37:44,987 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+nlh-reducer.c [2019-09-25 15:37:44,995 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91d38f28d/c58b8db0b46a40aa9fd343cda77080da/FLAG4c5ad6035 [2019-09-25 15:37:45,398 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91d38f28d/c58b8db0b46a40aa9fd343cda77080da [2019-09-25 15:37:45,407 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 15:37:45,408 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 15:37:45,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 15:37:45,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 15:37:45,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 15:37:45,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:37:45" (1/1) ... [2019-09-25 15:37:45,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a266f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:45, skipping insertion in model container [2019-09-25 15:37:45,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:37:45" (1/1) ... [2019-09-25 15:37:45,423 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 15:37:45,456 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 15:37:45,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:37:45,754 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 15:37:45,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:37:45,895 INFO L192 MainTranslator]: Completed translation [2019-09-25 15:37:45,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:45 WrapperNode [2019-09-25 15:37:45,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 15:37:45,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 15:37:45,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 15:37:45,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 15:37:45,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:45" (1/1) ... [2019-09-25 15:37:45,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:45" (1/1) ... [2019-09-25 15:37:45,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:45" (1/1) ... [2019-09-25 15:37:45,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:45" (1/1) ... [2019-09-25 15:37:45,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:45" (1/1) ... [2019-09-25 15:37:45,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:45" (1/1) ... [2019-09-25 15:37:45,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:45" (1/1) ... [2019-09-25 15:37:45,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 15:37:45,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 15:37:45,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 15:37:45,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 15:37:45,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:37:45" (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 15:37:45,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 15:37:45,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 15:37:45,990 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 15:37:45,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 15:37:45,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-25 15:37:45,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-25 15:37:45,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 15:37:45,991 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 15:37:45,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 15:37:45,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 15:37:46,416 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 15:37:46,416 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-25 15:37:46,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:37:46 BoogieIcfgContainer [2019-09-25 15:37:46,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 15:37:46,418 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 15:37:46,418 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 15:37:46,419 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 15:37:46,420 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:37:46" (1/1) ... [2019-09-25 15:37:46,420 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 15:37:46,443 INFO L162 IcfgInterpreter]: Started Sifa with 17 locations of interest [2019-09-25 15:37:46,443 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 15:37:46,451 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 15:37:46,460 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 15:37:46,461 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 15:37:46,575 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 16 for LOIs [2019-09-25 15:37:51,178 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 15:37:51,178 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 15:37:51,181 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 3881#(and (= |old(~__tmp_247_0~0)| 0) (= |old(~__return_305~0)| 0) (= main_~__VERIFIER_assert__cond~0 0) (= |old(~__tmp_383_0~0)| 0) (= ~__return_main~0 0)) [2019-09-25 15:37:51,181 INFO L193 IcfgInterpreter]: Reachable states at location mainErr10ASSERT_VIOLATIONERROR_FUNCTION satisfy 3872#(and (not (= 0 main_~main____CPAchecker_TMP_6~0)) (= main_~__VERIFIER_assert__cond~10 main_~__tmp_11~0) (= main_~__VERIFIER_assert__cond~10 0) (= |old(~__tmp_247_0~0)| 0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_11~0) (= |old(~__return_305~0)| 0) (= |old(~__tmp_383_0~0)| 0) (= main_~main____CPAchecker_TMP_3~0 0) (= ~__return_main~0 0)) [2019-09-25 15:37:51,182 INFO L193 IcfgInterpreter]: Reachable states at location mainErr8ASSERT_VIOLATIONERROR_FUNCTION satisfy 3763#(and (= |old(~__tmp_247_0~0)| 0) (= main_~__tmp_9~0 (ite (<= 0 main_~main__t~0) 1 0)) (= |old(~__return_305~0)| 0) (= main_~__VERIFIER_assert__cond~8 0) (= |old(~__tmp_383_0~0)| 0) (= ~__return_main~0 0) (= main_~__tmp_9~0 main_~__VERIFIER_assert__cond~8)) [2019-09-25 15:37:51,185 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 648#(and (= |old(~__tmp_247_0~0)| 0) (= |old(~__return_305~0)| 0) (= main_~__VERIFIER_assert__cond~1 0) (= |old(~__tmp_383_0~0)| 0) (= ~__return_main~0 0)) [2019-09-25 15:37:51,186 INFO L193 IcfgInterpreter]: Reachable states at location mainErr9ASSERT_VIOLATIONERROR_FUNCTION satisfy 3542#(and (= |old(~__tmp_247_0~0)| 0) (= main_~__tmp_9~0 (ite (<= 0 main_~main__t~0) 1 0)) (= |old(~__return_305~0)| 0) (not (= main_~__VERIFIER_assert__cond~8 0)) (= main_~__VERIFIER_assert__cond~9 0) (= |old(~__tmp_383_0~0)| 0) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_10~0) (= ~__return_main~0 0) (= main_~__VERIFIER_assert__cond~9 main_~__tmp_10~0) (= main_~__tmp_9~0 main_~__VERIFIER_assert__cond~8)) [2019-09-25 15:37:51,187 INFO L193 IcfgInterpreter]: Reachable states at location mainErr16ASSERT_VIOLATIONERROR_FUNCTION satisfy 70#(and (= 0 main_~main____CPAchecker_TMP_0~1) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_17~0) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_18~0) (= main_~__VERIFIER_assert__cond~16 main_~__tmp_17~0) (= main_~__VERIFIER_assert__cond~17 main_~__tmp_18~0) (not (= main_~main__tagbuf_len~0 main_~main__t~0)) (not (= main_~__VERIFIER_assert__cond~16 0)) (= |old(~__tmp_247_0~0)| 0) (= main_~__VERIFIER_assert__cond~17 0) (<= 0 (+ main_~main____CPAchecker_TMP_0~1 2147483648)) (= |old(~__return_305~0)| 0) (= |old(~__tmp_383_0~0)| 0) (<= main_~main____CPAchecker_TMP_0~1 2147483647) (= ~__return_main~0 0)) [2019-09-25 15:37:51,187 INFO L193 IcfgInterpreter]: Reachable states at location mainErr6ASSERT_VIOLATIONERROR_FUNCTION satisfy 2432#(and (= |old(~__tmp_247_0~0)| 0) (= |old(~__return_305~0)| 0) (= |old(~__tmp_383_0~0)| 0) (= ~__return_main~0 0) (= main_~__VERIFIER_assert__cond~6 0)) [2019-09-25 15:37:51,187 INFO L193 IcfgInterpreter]: Reachable states at location mainErr7ASSERT_VIOLATIONERROR_FUNCTION satisfy 2061#(and (= |old(~__tmp_247_0~0)| 0) (= |old(~__return_305~0)| 0) (= |old(~__tmp_383_0~0)| 0) (= main_~__VERIFIER_assert__cond~7 0) (= ~__return_main~0 0)) [2019-09-25 15:37:51,188 INFO L193 IcfgInterpreter]: Reachable states at location mainErr11ASSERT_VIOLATIONERROR_FUNCTION satisfy 3652#(and (not (= 0 main_~main____CPAchecker_TMP_6~0)) (= 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) (= |old(~__tmp_247_0~0)| 0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_11~0) (= |old(~__return_305~0)| 0) (not (= main_~__VERIFIER_assert__cond~10 0)) (= |old(~__tmp_383_0~0)| 0) (= main_~main____CPAchecker_TMP_3~0 0) (= main_~__VERIFIER_assert__cond~11 0) (= ~__return_main~0 0)) [2019-09-25 15:37:51,188 INFO L193 IcfgInterpreter]: Reachable states at location mainErr3ASSERT_VIOLATIONERROR_FUNCTION satisfy 3307#(and (= main_~__tmp_4~0 main_~__VERIFIER_assert__cond~3) (= |old(~__tmp_247_0~0)| 0) (= |old(~__return_305~0)| 0) (not (= main_~__VERIFIER_assert__cond~2 0)) (= main_~__tmp_4~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (= |old(~__tmp_383_0~0)| 0) (= main_~__tmp_3~0 (ite (<= 0 main_~main__t~0) 1 0)) (= ~__return_main~0 0) (= main_~__VERIFIER_assert__cond~3 0) (= main_~main__tagbuf_len~0 main_~main__t~0) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)) [2019-09-25 15:37:51,189 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 3430#(and (= main_~__VERIFIER_assert__cond~2 0) (= |old(~__tmp_247_0~0)| 0) (= |old(~__return_305~0)| 0) (= |old(~__tmp_383_0~0)| 0) (= ~__return_main~0 0)) [2019-09-25 15:37:51,189 INFO L193 IcfgInterpreter]: Reachable states at location mainErr13ASSERT_VIOLATIONERROR_FUNCTION satisfy 59#(and (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_15~0) (= |old(~__tmp_247_0~0)| 0) (= |old(~__return_305~0)| 0) (= |old(~__tmp_383_0~0)| 0) (= main_~__VERIFIER_assert__cond~14 0) (= ~__return_main~0 0) (= main_~__VERIFIER_assert__cond~14 main_~__tmp_15~0) (= main_~main__tagbuf_len~0 main_~main__t~0)) [2019-09-25 15:37:51,189 INFO L193 IcfgInterpreter]: Reachable states at location mainErr4ASSERT_VIOLATIONERROR_FUNCTION satisfy 3184#(and (not (= 0 main_~main____CPAchecker_TMP_4~0)) (= main_~__tmp_5~0 main_~__VERIFIER_assert__cond~4) (= |old(~__tmp_247_0~0)| 0) (= |old(~__return_305~0)| 0) (= main_~__tmp_5~0 (ite (<= 0 main_~main__t~0) 1 0)) (= |old(~__tmp_383_0~0)| 0) (= ~__return_main~0 0) (= main_~__VERIFIER_assert__cond~4 0)) [2019-09-25 15:37:51,190 INFO L193 IcfgInterpreter]: Reachable states at location mainErr14ASSERT_VIOLATIONERROR_FUNCTION satisfy 55#(and (not (= main_~__VERIFIER_assert__cond~14 0)) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_15~0) (= |old(~__tmp_247_0~0)| 0) (= main_~__VERIFIER_assert__cond~15 0) (= main_~__VERIFIER_assert__cond~15 main_~__tmp_16~0) (= |old(~__return_305~0)| 0) (= |old(~__tmp_383_0~0)| 0) (= ~__return_main~0 0) (= main_~__VERIFIER_assert__cond~14 main_~__tmp_15~0) (= main_~main__tagbuf_len~0 main_~main__t~0) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_16~0)) [2019-09-25 15:37:51,190 INFO L193 IcfgInterpreter]: Reachable states at location mainErr12ASSERT_VIOLATIONERROR_FUNCTION satisfy 17#(and (= 0 main_~main__t~0) (= main_~__VERIFIER_assert__cond~13 main_~__tmp_14~0) (<= 0 main_~main__tagbuf_len~0) (<= 0 (+ main_~main____CPAchecker_TMP_0~0 2147483648)) (<= main_~main__tagbuf_len~0 2147483646) (<= 0 (+ main_~main__tagbuf_len~0 2147483649)) (= |old(~__tmp_383_0~0)| ~__tmp_383_0~0) (not (= main_~__VERIFIER_assert__cond~12 0)) (= |old(~__return_305~0)| ~__return_305~0) (= |old(~__tmp_247_0~0)| ~__tmp_247_0~0) (not (= main_~main__tagbuf_len~0 main_~main__t~0)) (= main_~__VERIFIER_assert__cond~13 0) (= 0 main_~main____CPAchecker_TMP_0~0) (= main_~__VERIFIER_assert__cond~12 main_~__tmp_13~0) (= |old(~__tmp_247_0~0)| 0) (= |old(~__return_305~0)| 0) (= |old(~__tmp_383_0~0)| 0) (= ~__return_main~0 0) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_14~0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_13~0) (<= main_~main____CPAchecker_TMP_0~0 2147483647)) [2019-09-25 15:37:51,190 INFO L193 IcfgInterpreter]: Reachable states at location mainErr5ASSERT_VIOLATIONERROR_FUNCTION satisfy 2811#(and (not (= 0 main_~main____CPAchecker_TMP_4~0)) (= 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)) (= |old(~__tmp_247_0~0)| 0) (= main_~__VERIFIER_assert__cond~5 0) (= |old(~__return_305~0)| 0) (= main_~__tmp_5~0 (ite (<= 0 main_~main__t~0) 1 0)) (= |old(~__tmp_383_0~0)| 0) (not (= main_~__VERIFIER_assert__cond~4 0)) (= ~__return_main~0 0) (= main_~__tmp_6~0 main_~__VERIFIER_assert__cond~5)) [2019-09-25 15:37:51,191 INFO L193 IcfgInterpreter]: Reachable states at location mainErr15ASSERT_VIOLATIONERROR_FUNCTION satisfy 65#(and (= 0 main_~main____CPAchecker_TMP_0~1) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_17~0) (= |old(~__tmp_247_0~0)| 0) (= main_~__VERIFIER_assert__cond~16 0) (<= 0 (+ main_~main____CPAchecker_TMP_0~1 2147483648)) (= |old(~__return_305~0)| 0) (= main_~__VERIFIER_assert__cond~16 main_~__tmp_17~0) (= |old(~__tmp_383_0~0)| 0) (<= main_~main____CPAchecker_TMP_0~1 2147483647) (= ~__return_main~0 0) (not (= main_~main__tagbuf_len~0 main_~main__t~0))) [2019-09-25 15:37:51,219 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 15:37:51,220 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 15:37:51,222 INFO L168 Benchmark]: Toolchain (without parser) took 5812.96 ms. Allocated memory was 129.5 MB in the beginning and 421.0 MB in the end (delta: 291.5 MB). Free memory was 84.9 MB in the beginning and 359.2 MB in the end (delta: -274.3 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2019-09-25 15:37:51,223 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 129.5 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-25 15:37:51,224 INFO L168 Benchmark]: CACSL2BoogieTranslator took 486.86 ms. Allocated memory was 129.5 MB in the beginning and 195.6 MB in the end (delta: 66.1 MB). Free memory was 84.7 MB in the beginning and 170.8 MB in the end (delta: -86.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-09-25 15:37:51,225 INFO L168 Benchmark]: Boogie Preprocessor took 36.08 ms. Allocated memory is still 195.6 MB. Free memory was 170.8 MB in the beginning and 168.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-09-25 15:37:51,226 INFO L168 Benchmark]: RCFGBuilder took 484.99 ms. Allocated memory is still 195.6 MB. Free memory was 168.8 MB in the beginning and 144.5 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2019-09-25 15:37:51,227 INFO L168 Benchmark]: Sifa took 4801.70 ms. Allocated memory was 195.6 MB in the beginning and 421.0 MB in the end (delta: 225.4 MB). Free memory was 143.8 MB in the beginning and 359.2 MB in the end (delta: -215.4 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-09-25 15:37:51,231 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 129.5 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 486.86 ms. Allocated memory was 129.5 MB in the beginning and 195.6 MB in the end (delta: 66.1 MB). Free memory was 84.7 MB in the beginning and 170.8 MB in the end (delta: -86.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 36.08 ms. Allocated memory is still 195.6 MB. Free memory was 170.8 MB in the beginning and 168.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 484.99 ms. Allocated memory is still 195.6 MB. Free memory was 168.8 MB in the beginning and 144.5 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Sifa took 4801.70 ms. Allocated memory was 195.6 MB in the beginning and 421.0 MB in the end (delta: 225.4 MB). Free memory was 143.8 MB in the beginning and 359.2 MB in the end (delta: -215.4 MB). Peak memory consumption was 10.0 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]: 4748, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1143, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 1038, TOOLS_POST_TIME[ms]: 540, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 23, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1041, TOOLS_QUANTIFIERELIM_TIME[ms]: 375, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13, FLUID_QUERY_TIME[ms]: 24, FLUID_QUERIES: 1217, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 294, DOMAIN_JOIN_TIME[ms]: 3304, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 29, DOMAIN_WIDEN_TIME[ms]: 258, DOMAIN_ISSUBSETEQ_APPLICATIONS: 74, DOMAIN_ISSUBSETEQ_TIME[ms]: 127, DOMAIN_ISBOTTOM_APPLICATIONS: 118, DOMAIN_ISBOTTOM_TIME[ms]: 231, LOOP_SUMMARIZER_APPLICATIONS: 45, LOOP_SUMMARIZER_CACHE_MISSES: 45, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2436, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2435, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 74, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 59, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 59, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 10, DAG_COMPRESSION_TIME[ms]: 81, DAG_COMPRESSION_PROCESSED_NODES: 2801, DAG_COMPRESSION_RETAINED_NODES: 410 - 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 3881#(and (= |old(~__tmp_247_0~0)| 0) (= |old(~__return_305~0)| 0) (= main_~__VERIFIER_assert__cond~0 0) (= |old(~__tmp_383_0~0)| 0) (= ~__return_main~0 0)). Possible FailurePath: - UnprovableResult [Line: 220]: 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 3872#(and (not (= 0 main_~main____CPAchecker_TMP_6~0)) (= main_~__VERIFIER_assert__cond~10 main_~__tmp_11~0) (= main_~__VERIFIER_assert__cond~10 0) (= |old(~__tmp_247_0~0)| 0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_11~0) (= |old(~__return_305~0)| 0) (= |old(~__tmp_383_0~0)| 0) (= main_~main____CPAchecker_TMP_3~0 0) (= ~__return_main~0 0)). Possible FailurePath: - UnprovableResult [Line: 172]: 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 3763#(and (= |old(~__tmp_247_0~0)| 0) (= main_~__tmp_9~0 (ite (<= 0 main_~main__t~0) 1 0)) (= |old(~__return_305~0)| 0) (= main_~__VERIFIER_assert__cond~8 0) (= |old(~__tmp_383_0~0)| 0) (= ~__return_main~0 0) (= main_~__tmp_9~0 main_~__VERIFIER_assert__cond~8)). 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 648#(and (= |old(~__tmp_247_0~0)| 0) (= |old(~__return_305~0)| 0) (= main_~__VERIFIER_assert__cond~1 0) (= |old(~__tmp_383_0~0)| 0) (= ~__return_main~0 0)). 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 3542#(and (= |old(~__tmp_247_0~0)| 0) (= main_~__tmp_9~0 (ite (<= 0 main_~main__t~0) 1 0)) (= |old(~__return_305~0)| 0) (not (= main_~__VERIFIER_assert__cond~8 0)) (= main_~__VERIFIER_assert__cond~9 0) (= |old(~__tmp_383_0~0)| 0) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_10~0) (= ~__return_main~0 0) (= main_~__VERIFIER_assert__cond~9 main_~__tmp_10~0) (= main_~__tmp_9~0 main_~__VERIFIER_assert__cond~8)). 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 70#(and (= 0 main_~main____CPAchecker_TMP_0~1) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_17~0) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_18~0) (= main_~__VERIFIER_assert__cond~16 main_~__tmp_17~0) (= main_~__VERIFIER_assert__cond~17 main_~__tmp_18~0) (not (= main_~main__tagbuf_len~0 main_~main__t~0)) (not (= main_~__VERIFIER_assert__cond~16 0)) (= |old(~__tmp_247_0~0)| 0) (= main_~__VERIFIER_assert__cond~17 0) (<= 0 (+ main_~main____CPAchecker_TMP_0~1 2147483648)) (= |old(~__return_305~0)| 0) (= |old(~__tmp_383_0~0)| 0) (<= main_~main____CPAchecker_TMP_0~1 2147483647) (= ~__return_main~0 0)). Possible FailurePath: - 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 2432#(and (= |old(~__tmp_247_0~0)| 0) (= |old(~__return_305~0)| 0) (= |old(~__tmp_383_0~0)| 0) (= ~__return_main~0 0) (= main_~__VERIFIER_assert__cond~6 0)). Possible FailurePath: - 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 2061#(and (= |old(~__tmp_247_0~0)| 0) (= |old(~__return_305~0)| 0) (= |old(~__tmp_383_0~0)| 0) (= main_~__VERIFIER_assert__cond~7 0) (= ~__return_main~0 0)). Possible FailurePath: - 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 3652#(and (not (= 0 main_~main____CPAchecker_TMP_6~0)) (= 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) (= |old(~__tmp_247_0~0)| 0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_11~0) (= |old(~__return_305~0)| 0) (not (= main_~__VERIFIER_assert__cond~10 0)) (= |old(~__tmp_383_0~0)| 0) (= main_~main____CPAchecker_TMP_3~0 0) (= main_~__VERIFIER_assert__cond~11 0) (= ~__return_main~0 0)). Possible FailurePath: - PositiveResult [Line: 80]: 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 3430#(and (= main_~__VERIFIER_assert__cond~2 0) (= |old(~__tmp_247_0~0)| 0) (= |old(~__return_305~0)| 0) (= |old(~__tmp_383_0~0)| 0) (= ~__return_main~0 0)). Possible FailurePath: - UnprovableResult [Line: 293]: 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 59#(and (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_15~0) (= |old(~__tmp_247_0~0)| 0) (= |old(~__return_305~0)| 0) (= |old(~__tmp_383_0~0)| 0) (= main_~__VERIFIER_assert__cond~14 0) (= ~__return_main~0 0) (= main_~__VERIFIER_assert__cond~14 main_~__tmp_15~0) (= main_~main__tagbuf_len~0 main_~main__t~0)). Possible FailurePath: - UnprovableResult [Line: 110]: 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 3184#(and (not (= 0 main_~main____CPAchecker_TMP_4~0)) (= main_~__tmp_5~0 main_~__VERIFIER_assert__cond~4) (= |old(~__tmp_247_0~0)| 0) (= |old(~__return_305~0)| 0) (= main_~__tmp_5~0 (ite (<= 0 main_~main__t~0) 1 0)) (= |old(~__tmp_383_0~0)| 0) (= ~__return_main~0 0) (= main_~__VERIFIER_assert__cond~4 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 - PositiveResult [Line: 274]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - 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 2811#(and (not (= 0 main_~main____CPAchecker_TMP_4~0)) (= 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)) (= |old(~__tmp_247_0~0)| 0) (= main_~__VERIFIER_assert__cond~5 0) (= |old(~__return_305~0)| 0) (= main_~__tmp_5~0 (ite (<= 0 main_~main__t~0) 1 0)) (= |old(~__tmp_383_0~0)| 0) (not (= main_~__VERIFIER_assert__cond~4 0)) (= ~__return_main~0 0) (= main_~__tmp_6~0 main_~__VERIFIER_assert__cond~5)). Possible FailurePath: - UnprovableResult [Line: 334]: 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 65#(and (= 0 main_~main____CPAchecker_TMP_0~1) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_17~0) (= |old(~__tmp_247_0~0)| 0) (= main_~__VERIFIER_assert__cond~16 0) (<= 0 (+ main_~main____CPAchecker_TMP_0~1 2147483648)) (= |old(~__return_305~0)| 0) (= main_~__VERIFIER_assert__cond~16 main_~__tmp_17~0) (= |old(~__tmp_383_0~0)| 0) (<= main_~main____CPAchecker_TMP_0~1 2147483647) (= ~__return_main~0 0) (not (= main_~main__tagbuf_len~0 main_~main__t~0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...