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 --sifa.max.parallel.explicit.values 2 --sifa.sizelimitfluid.max.disjunctions 4 -i ../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:02:00,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:02:00,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:02:00,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:02:00,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:02:00,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:02:00,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:02:00,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:02:00,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:02:00,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:02:00,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:02:00,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:02:00,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:02:00,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:02:00,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:02:00,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:02:00,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:02:00,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:02:00,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:02:00,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:02:00,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:02:00,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:02:00,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:02:00,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:02:00,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:02:00,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:02:00,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:02:00,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:02:00,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:02:00,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:02:00,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:02:00,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:02:00,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:02:00,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:02:00,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:02:00,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:02:00,158 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:02:00,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:02:00,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:02:00,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:02:00,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:02:00,161 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 17:02:00,180 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:02:00,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:02:00,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:02:00,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:02:00,182 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:02:00,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:02:00,183 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:02:00,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:02:00,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:02:00,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:02:00,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:02:00,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:02:00,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:02:00,187 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:02:00,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:02:00,188 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:02:00,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:02:00,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:02:00,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:02:00,189 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:02:00,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:02:00,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:02:00,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:02:00,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:02:00,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:02:00,191 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:02:00,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:02:00,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:02:00,191 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 4 [2019-09-25 17:02:00,229 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:02:00,248 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:02:00,253 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:02:00,255 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:02:00,255 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:02:00,256 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+nlh-reducer.c [2019-09-25 17:02:00,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a609bf95/8db0b7334ee04f5692bf96f5f25b5f68/FLAG0b475091f [2019-09-25 17:02:00,901 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:02:00,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.v+nlh-reducer.c [2019-09-25 17:02:00,918 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a609bf95/8db0b7334ee04f5692bf96f5f25b5f68/FLAG0b475091f [2019-09-25 17:02:01,193 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a609bf95/8db0b7334ee04f5692bf96f5f25b5f68 [2019-09-25 17:02:01,204 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:02:01,206 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:02:01,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:02:01,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:02:01,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:02:01,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:02:01" (1/1) ... [2019-09-25 17:02:01,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e9bc88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:01, skipping insertion in model container [2019-09-25 17:02:01,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:02:01" (1/1) ... [2019-09-25 17:02:01,221 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:02:01,249 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:02:01,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:02:01,506 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:02:01,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:02:01,648 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:02:01,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:01 WrapperNode [2019-09-25 17:02:01,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:02:01,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:02:01,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:02:01,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:02:01,663 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:01" (1/1) ... [2019-09-25 17:02:01,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:01" (1/1) ... [2019-09-25 17:02:01,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:01" (1/1) ... [2019-09-25 17:02:01,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:01" (1/1) ... [2019-09-25 17:02:01,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:01" (1/1) ... [2019-09-25 17:02:01,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:01" (1/1) ... [2019-09-25 17:02:01,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:01" (1/1) ... [2019-09-25 17:02:01,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:02:01,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:02:01,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:02:01,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:02:01,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:01" (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 17:02:01,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:02:01,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:02:01,749 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:02:01,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:02:01,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-25 17:02:01,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-25 17:02:01,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:02:01,750 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:02:01,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:02:01,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:02:02,181 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:02:02,182 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-25 17:02:02,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:02:02 BoogieIcfgContainer [2019-09-25 17:02:02,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:02:02,184 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:02:02,184 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:02:02,184 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:02:02,185 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:02:02" (1/1) ... [2019-09-25 17:02:02,186 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=4 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:02:02,209 INFO L162 IcfgInterpreter]: Started Sifa with 17 locations of interest [2019-09-25 17:02:02,210 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:02:02,218 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:02:02,228 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:02:02,229 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:02:02,337 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 16 for LOIs [2019-09-25 17:02:05,525 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:02:05,525 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:02:05,529 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 4403#(= main_~__VERIFIER_assert__cond~2 0) [2019-09-25 17:02:05,529 INFO L193 IcfgInterpreter]: Reachable states at location mainErr6ASSERT_VIOLATIONERROR_FUNCTION satisfy 2380#(= main_~__VERIFIER_assert__cond~6 0) [2019-09-25 17:02:05,529 INFO L193 IcfgInterpreter]: Reachable states at location mainErr16ASSERT_VIOLATIONERROR_FUNCTION satisfy 93#(and (= 0 main_~main____CPAchecker_TMP_0~1) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_17~0) (not (= main_~__VERIFIER_assert__cond~16 0)) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_18~0) (= main_~__VERIFIER_assert__cond~17 0) (<= 0 (+ main_~main____CPAchecker_TMP_0~1 2147483648)) (= main_~__VERIFIER_assert__cond~16 main_~__tmp_17~0) (= main_~__VERIFIER_assert__cond~17 main_~__tmp_18~0) (<= main_~main____CPAchecker_TMP_0~1 2147483647) (not (= main_~main__tagbuf_len~0 main_~main__t~0))) [2019-09-25 17:02:05,530 INFO L193 IcfgInterpreter]: Reachable states at location mainErr14ASSERT_VIOLATIONERROR_FUNCTION satisfy 82#(and (not (= main_~__VERIFIER_assert__cond~14 0)) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_15~0) (= main_~__VERIFIER_assert__cond~15 0) (= main_~__VERIFIER_assert__cond~15 main_~__tmp_16~0) (= 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 17:02:05,530 INFO L193 IcfgInterpreter]: Reachable states at location mainErr7ASSERT_VIOLATIONERROR_FUNCTION satisfy 1840#(= main_~__VERIFIER_assert__cond~7 0) [2019-09-25 17:02:05,531 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 17:02:05,531 INFO L193 IcfgInterpreter]: Reachable states at location mainErr3ASSERT_VIOLATIONERROR_FUNCTION satisfy 3390#(and (= main_~__tmp_4~0 main_~__VERIFIER_assert__cond~3) (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_~main__tagbuf_len~0 main_~main__t~0) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)) [2019-09-25 17:02:05,532 INFO L193 IcfgInterpreter]: Reachable states at location mainErr8ASSERT_VIOLATIONERROR_FUNCTION satisfy 4199#(and (= main_~__tmp_9~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~8 0) (= main_~__tmp_9~0 main_~__VERIFIER_assert__cond~8)) [2019-09-25 17:02:05,532 INFO L193 IcfgInterpreter]: Reachable states at location mainErr9ASSERT_VIOLATIONERROR_FUNCTION satisfy 3801#(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)) [2019-09-25 17:02:05,533 INFO L193 IcfgInterpreter]: Reachable states at location mainErr5ASSERT_VIOLATIONERROR_FUNCTION satisfy 2646#(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)) (= main_~__VERIFIER_assert__cond~5 0) (= main_~__tmp_5~0 (ite (<= 0 main_~main__t~0) 1 0)) (not (= main_~__VERIFIER_assert__cond~4 0)) (= main_~__tmp_6~0 main_~__VERIFIER_assert__cond~5)) [2019-09-25 17:02:05,533 INFO L193 IcfgInterpreter]: Reachable states at location mainErr15ASSERT_VIOLATIONERROR_FUNCTION satisfy 88#(and (= 0 main_~main____CPAchecker_TMP_0~1) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_17~0) (= main_~__VERIFIER_assert__cond~16 0) (<= 0 (+ main_~main____CPAchecker_TMP_0~1 2147483648)) (= main_~__VERIFIER_assert__cond~16 main_~__tmp_17~0) (<= main_~main____CPAchecker_TMP_0~1 2147483647) (not (= main_~main__tagbuf_len~0 main_~main__t~0))) [2019-09-25 17:02:05,533 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 289#(= main_~__VERIFIER_assert__cond~1 0) [2019-09-25 17:02:05,533 INFO L193 IcfgInterpreter]: Reachable states at location mainErr4ASSERT_VIOLATIONERROR_FUNCTION satisfy 3179#(and (not (= 0 main_~main____CPAchecker_TMP_4~0)) (= main_~__tmp_5~0 main_~__VERIFIER_assert__cond~4) (= main_~__tmp_5~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~4 0)) [2019-09-25 17:02:05,534 INFO L193 IcfgInterpreter]: Reachable states at location mainErr11ASSERT_VIOLATIONERROR_FUNCTION satisfy 3999#(and (<= main_~main____CPAchecker_TMP_6~0 2147483647) (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) (= (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) (= 0 main_~main____CPAchecker_TMP_3~0) (<= 0 (+ main_~main____CPAchecker_TMP_6~0 2147483648))) [2019-09-25 17:02:05,534 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 273#(= main_~__VERIFIER_assert__cond~0 0) [2019-09-25 17:02:05,534 INFO L193 IcfgInterpreter]: Reachable states at location mainErr10ASSERT_VIOLATIONERROR_FUNCTION satisfy 4396#(and (<= main_~main____CPAchecker_TMP_6~0 2147483647) (not (= 0 main_~main____CPAchecker_TMP_6~0)) (= main_~__VERIFIER_assert__cond~10 main_~__tmp_11~0) (= main_~__VERIFIER_assert__cond~10 0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_11~0) (= 0 main_~main____CPAchecker_TMP_3~0) (<= 0 (+ main_~main____CPAchecker_TMP_6~0 2147483648))) [2019-09-25 17:02:05,535 INFO L193 IcfgInterpreter]: Reachable states at location mainErr13ASSERT_VIOLATIONERROR_FUNCTION satisfy 77#(and (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_15~0) (= main_~__VERIFIER_assert__cond~14 0) (= main_~__VERIFIER_assert__cond~14 main_~__tmp_15~0) (= main_~main__tagbuf_len~0 main_~main__t~0)) [2019-09-25 17:02:05,569 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:02:05,569 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:02:05,573 INFO L168 Benchmark]: Toolchain (without parser) took 4366.11 ms. Allocated memory was 137.4 MB in the beginning and 337.1 MB in the end (delta: 199.8 MB). Free memory was 85.2 MB in the beginning and 263.0 MB in the end (delta: -177.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:02:05,573 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:02:05,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 442.66 ms. Allocated memory was 137.4 MB in the beginning and 198.7 MB in the end (delta: 61.3 MB). Free memory was 85.0 MB in the beginning and 176.3 MB in the end (delta: -91.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:02:05,578 INFO L168 Benchmark]: Boogie Preprocessor took 45.49 ms. Allocated memory is still 198.7 MB. Free memory was 176.3 MB in the beginning and 174.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:02:05,579 INFO L168 Benchmark]: RCFGBuilder took 487.76 ms. Allocated memory is still 198.7 MB. Free memory was 174.3 MB in the beginning and 149.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:02:05,583 INFO L168 Benchmark]: Sifa took 3386.15 ms. Allocated memory was 198.7 MB in the beginning and 337.1 MB in the end (delta: 138.4 MB). Free memory was 149.1 MB in the beginning and 263.0 MB in the end (delta: -113.8 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-09-25 17:02:05,592 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 137.4 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 442.66 ms. Allocated memory was 137.4 MB in the beginning and 198.7 MB in the end (delta: 61.3 MB). Free memory was 85.0 MB in the beginning and 176.3 MB in the end (delta: -91.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.49 ms. Allocated memory is still 198.7 MB. Free memory was 176.3 MB in the beginning and 174.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 487.76 ms. Allocated memory is still 198.7 MB. Free memory was 174.3 MB in the beginning and 149.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Sifa took 3386.15 ms. Allocated memory was 198.7 MB in the beginning and 337.1 MB in the end (delta: 138.4 MB). Free memory was 149.1 MB in the beginning and 263.0 MB in the end (delta: -113.8 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 3325, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1773, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 1620, TOOLS_POST_TIME[ms]: 711, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 21, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1623, TOOLS_QUANTIFIERELIM_TIME[ms]: 489, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 36, FLUID_QUERIES: 1896, FLUID_YES_ANSWERS: 47, DOMAIN_JOIN_APPLICATIONS: 407, DOMAIN_JOIN_TIME[ms]: 1704, DOMAIN_ALPHA_APPLICATIONS: 47, DOMAIN_ALPHA_TIME[ms]: 109, DOMAIN_WIDEN_APPLICATIONS: 62, DOMAIN_WIDEN_TIME[ms]: 65, DOMAIN_ISSUBSETEQ_APPLICATIONS: 123, DOMAIN_ISSUBSETEQ_TIME[ms]: 154, DOMAIN_ISBOTTOM_APPLICATIONS: 178, DOMAIN_ISBOTTOM_TIME[ms]: 270, LOOP_SUMMARIZER_APPLICATIONS: 61, LOOP_SUMMARIZER_CACHE_MISSES: 61, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2379, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2377, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 123, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 54, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 54, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 80, DAG_COMPRESSION_PROCESSED_NODES: 2787, DAG_COMPRESSION_RETAINED_NODES: 410 - 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 4403#(= main_~__VERIFIER_assert__cond~2 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 2380#(= main_~__VERIFIER_assert__cond~6 0). Possible FailurePath: - UnprovableResult [Line: 346]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 93#(and (= 0 main_~main____CPAchecker_TMP_0~1) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_17~0) (not (= main_~__VERIFIER_assert__cond~16 0)) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_18~0) (= main_~__VERIFIER_assert__cond~17 0) (<= 0 (+ main_~main____CPAchecker_TMP_0~1 2147483648)) (= main_~__VERIFIER_assert__cond~16 main_~__tmp_17~0) (= main_~__VERIFIER_assert__cond~17 main_~__tmp_18~0) (<= main_~main____CPAchecker_TMP_0~1 2147483647) (not (= main_~main__tagbuf_len~0 main_~main__t~0))). Possible FailurePath: - PositiveResult [Line: 305]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 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 1840#(= main_~__VERIFIER_assert__cond~7 0). Possible FailurePath: - PositiveResult [Line: 274]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 80]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - 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 4199#(and (= main_~__tmp_9~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~8 0) (= main_~__tmp_9~0 main_~__VERIFIER_assert__cond~8)). 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 3801#(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)). Possible FailurePath: - UnprovableResult [Line: 122]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 2646#(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)) (= main_~__VERIFIER_assert__cond~5 0) (= main_~__tmp_5~0 (ite (<= 0 main_~main__t~0) 1 0)) (not (= main_~__VERIFIER_assert__cond~4 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 88#(and (= 0 main_~main____CPAchecker_TMP_0~1) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_17~0) (= main_~__VERIFIER_assert__cond~16 0) (<= 0 (+ main_~main____CPAchecker_TMP_0~1 2147483648)) (= main_~__VERIFIER_assert__cond~16 main_~__tmp_17~0) (<= main_~main____CPAchecker_TMP_0~1 2147483647) (not (= main_~main__tagbuf_len~0 main_~main__t~0))). Possible FailurePath: - UnprovableResult [Line: 51]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 289#(= main_~__VERIFIER_assert__cond~1 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 3179#(and (not (= 0 main_~main____CPAchecker_TMP_4~0)) (= main_~__tmp_5~0 main_~__VERIFIER_assert__cond~4) (= main_~__tmp_5~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~4 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 3999#(and (<= main_~main____CPAchecker_TMP_6~0 2147483647) (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) (= (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) (= 0 main_~main____CPAchecker_TMP_3~0) (<= 0 (+ main_~main____CPAchecker_TMP_6~0 2147483648))). Possible FailurePath: - 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 273#(= main_~__VERIFIER_assert__cond~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 4396#(and (<= main_~main____CPAchecker_TMP_6~0 2147483647) (not (= 0 main_~main____CPAchecker_TMP_6~0)) (= main_~__VERIFIER_assert__cond~10 main_~__tmp_11~0) (= main_~__VERIFIER_assert__cond~10 0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_11~0) (= 0 main_~main____CPAchecker_TMP_3~0) (<= 0 (+ main_~main____CPAchecker_TMP_6~0 2147483648))). 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 77#(and (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_15~0) (= main_~__VERIFIER_assert__cond~14 0) (= main_~__VERIFIER_assert__cond~14 main_~__tmp_15~0) (= 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...