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.p+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:01:58,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:01:58,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:01:58,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:01:58,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:01:58,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:01:58,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:01:58,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:01:58,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:01:58,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:01:58,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:01:58,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:01:58,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:01:58,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:01:58,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:01:58,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:01:58,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:01:58,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:01:58,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:01:58,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:01:58,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:01:58,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:01:58,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:01:58,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:01:58,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:01:58,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:01:58,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:01:58,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:01:58,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:01:58,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:01:58,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:01:58,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:01:58,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:01:58,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:01:58,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:01:58,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:01:58,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:01:58,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:01:58,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:01:58,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:01:58,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:01:58,511 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 17:01:58,525 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:01:58,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:01:58,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:01:58,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:01:58,527 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:01:58,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:01:58,528 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:01:58,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:01:58,528 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:01:58,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:01:58,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:01:58,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:01:58,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:01:58,529 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:01:58,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:01:58,530 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:01:58,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:01:58,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:01:58,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:01:58,530 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:01:58,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:01:58,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:01:58,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:01:58,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:01:58,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:01:58,532 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:01:58,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:01:58,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:01:58,532 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 17:01:58,563 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:01:58,575 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:01:58,579 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:01:58,580 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:01:58,580 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:01:58,581 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2019-09-25 17:01:58,639 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fe166552/dcd99bd1de4c4e8c9dbb54474d7e4dff/FLAGdb59b74b7 [2019-09-25 17:01:59,181 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:01:59,182 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i.p+nlh-reducer.c [2019-09-25 17:01:59,199 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fe166552/dcd99bd1de4c4e8c9dbb54474d7e4dff/FLAGdb59b74b7 [2019-09-25 17:01:59,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fe166552/dcd99bd1de4c4e8c9dbb54474d7e4dff [2019-09-25 17:01:59,481 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:01:59,483 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:01:59,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:01:59,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:01:59,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:01:59,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:01:59" (1/1) ... [2019-09-25 17:01:59,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b5abeba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:01:59, skipping insertion in model container [2019-09-25 17:01:59,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:01:59" (1/1) ... [2019-09-25 17:01:59,499 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:01:59,584 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:02:00,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:02:00,226 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:02:00,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:02:00,497 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:02:00,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:00 WrapperNode [2019-09-25 17:02:00,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:02:00,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:02:00,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:02:00,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:02:00,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:00" (1/1) ... [2019-09-25 17:02:00,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:00" (1/1) ... [2019-09-25 17:02:00,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:00" (1/1) ... [2019-09-25 17:02:00,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:00" (1/1) ... [2019-09-25 17:02:00,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:00" (1/1) ... [2019-09-25 17:02:00,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:00" (1/1) ... [2019-09-25 17:02:00,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:00" (1/1) ... [2019-09-25 17:02:00,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:02:00,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:02:00,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:02:00,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:02:00,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:00" (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 17:02:00,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:02:00,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:02:00,741 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:02:00,742 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:02:00,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-25 17:02:00,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-25 17:02:00,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:02:00,743 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:02:00,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:02:00,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:02:02,506 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:02:02,506 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-25 17:02:02,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:02:02 BoogieIcfgContainer [2019-09-25 17:02:02,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:02:02,511 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:02:02,511 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:02:02,514 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:02:02,516 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 17:02:02,517 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 17:02:02,555 INFO L162 IcfgInterpreter]: Started Sifa with 16 locations of interest [2019-09-25 17:02:02,556 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:02:02,579 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:02:02,590 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:02:02,592 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:02:02,722 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 20 for LOIs [2019-09-25 17:02:07,545 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:02:07,546 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:02:07,555 INFO L193 IcfgInterpreter]: Reachable states at location mainErr4ASSERT_VIOLATIONERROR_FUNCTION satisfy 7436#(and (= main_~__tmp_5~0 main_~__VERIFIER_assert__cond~4) (= main_~__tmp_5~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~main__tagbuf_len~0 main_~main__t~0) (= main_~__VERIFIER_assert__cond~4 0)) [2019-09-25 17:02:07,555 INFO L193 IcfgInterpreter]: Reachable states at location mainErr15ASSERT_VIOLATIONERROR_FUNCTION satisfy 2821#(and (= main_~__tmp_134~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (= main_~__VERIFIER_assert__cond~133 main_~__tmp_134~0) (not (= main_~__VERIFIER_assert__cond~132 0)) (= main_~__VERIFIER_assert__cond~133 0)) [2019-09-25 17:02:07,555 INFO L193 IcfgInterpreter]: Reachable states at location mainErr5ASSERT_VIOLATIONERROR_FUNCTION satisfy 7418#(and (= main_~__tmp_5~0 main_~__VERIFIER_assert__cond~4) (= main_~__tmp_6~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (= main_~__VERIFIER_assert__cond~5 0) (= 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) (= main_~main__tagbuf_len~0 main_~main__t~0)) [2019-09-25 17:02:07,556 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2805#(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 17:02:07,556 INFO L193 IcfgInterpreter]: Reachable states at location mainErr14ASSERT_VIOLATIONERROR_FUNCTION satisfy 2814#(= main_~__VERIFIER_assert__cond~132 0) [2019-09-25 17:02:07,557 INFO L193 IcfgInterpreter]: Reachable states at location mainErr11ASSERT_VIOLATIONERROR_FUNCTION satisfy 5958#(and (= main_~__VERIFIER_assert__cond~10 main_~__tmp_11~0) (= main_~__VERIFIER_assert__cond~11 main_~__tmp_12~0) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_12~0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_11~0) (not (= main_~__VERIFIER_assert__cond~10 0)) (= main_~__VERIFIER_assert__cond~11 0)) [2019-09-25 17:02:07,558 INFO L193 IcfgInterpreter]: Reachable states at location mainErr7ASSERT_VIOLATIONERROR_FUNCTION satisfy 6722#(and (= main_~__tmp_8~0 main_~__VERIFIER_assert__cond~7) (= main_~__tmp_7~0 main_~__VERIFIER_assert__cond~6) (not (= 0 main_~main____CPAchecker_TMP_4~0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (= main_~__tmp_8~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (= main_~__tmp_7~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~7 0)) [2019-09-25 17:02:07,558 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 7447#(and (= main_~__VERIFIER_assert__cond~2 0) (= main_~main____CPAchecker_TMP_0~0 ~__tmp_2609_0~0) (= main_~__tmp_3~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)) [2019-09-25 17:02:07,559 INFO L193 IcfgInterpreter]: Reachable states at location mainErr13ASSERT_VIOLATIONERROR_FUNCTION satisfy 6455#(and (<= main_~main____CPAchecker_TMP_6~0 2147483647) (not (= 0 main_~main____CPAchecker_TMP_6~0)) (= main_~__VERIFIER_assert__cond~13 main_~__tmp_14~0) (not (= main_~__VERIFIER_assert__cond~12 0)) (= 0 main_~main____CPAchecker_TMP_3~0) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_14~0) (= main_~__VERIFIER_assert__cond~13 0) (= main_~__VERIFIER_assert__cond~12 main_~__tmp_13~0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_13~0) (<= 0 (+ main_~main____CPAchecker_TMP_6~0 2147483648))) [2019-09-25 17:02:07,559 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 2799#(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 17:02:07,559 INFO L193 IcfgInterpreter]: Reachable states at location mainErr3ASSERT_VIOLATIONERROR_FUNCTION satisfy 7442#(and (= main_~__tmp_4~0 main_~__VERIFIER_assert__cond~3) (= main_~main____CPAchecker_TMP_0~0 ~__tmp_2609_0~0) (not (= main_~__VERIFIER_assert__cond~2 0)) (= main_~__tmp_4~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (= main_~__tmp_3~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~3 0) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)) [2019-09-25 17:02:07,559 INFO L193 IcfgInterpreter]: Reachable states at location mainErr6ASSERT_VIOLATIONERROR_FUNCTION satisfy 6991#(and (= main_~__tmp_7~0 main_~__VERIFIER_assert__cond~6) (not (= 0 main_~main____CPAchecker_TMP_4~0)) (= main_~__tmp_7~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~6 0)) [2019-09-25 17:02:07,560 INFO L193 IcfgInterpreter]: Reachable states at location mainErr9ASSERT_VIOLATIONERROR_FUNCTION satisfy 5338#(and (= main_~__tmp_9~0 (ite (<= 0 main_~main__t~0) 1 0)) (not (= main_~__VERIFIER_assert__cond~8 0)) (= main_~__VERIFIER_assert__cond~9 0) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_10~0) (= main_~__VERIFIER_assert__cond~9 main_~__tmp_10~0) (= main_~__tmp_9~0 main_~__VERIFIER_assert__cond~8) (= main_~main__tagbuf_len~0 main_~main__t~0)) [2019-09-25 17:02:07,560 INFO L193 IcfgInterpreter]: Reachable states at location mainErr8ASSERT_VIOLATIONERROR_FUNCTION satisfy 5687#(= main_~__VERIFIER_assert__cond~8 0) [2019-09-25 17:02:07,560 INFO L193 IcfgInterpreter]: Reachable states at location mainErr10ASSERT_VIOLATIONERROR_FUNCTION satisfy 6250#(= main_~__VERIFIER_assert__cond~10 0) [2019-09-25 17:02:07,560 INFO L193 IcfgInterpreter]: Reachable states at location mainErr12ASSERT_VIOLATIONERROR_FUNCTION satisfy 6920#(and (<= main_~main____CPAchecker_TMP_6~0 2147483647) (not (= 0 main_~main____CPAchecker_TMP_6~0)) (= main_~__VERIFIER_assert__cond~12 0) (= 0 main_~main____CPAchecker_TMP_3~0) (= main_~__VERIFIER_assert__cond~12 main_~__tmp_13~0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_13~0) (<= 0 (+ main_~main____CPAchecker_TMP_6~0 2147483648))) [2019-09-25 17:02:07,617 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:02:07,617 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:02:07,621 INFO L168 Benchmark]: Toolchain (without parser) took 8136.72 ms. Allocated memory was 137.9 MB in the beginning and 471.3 MB in the end (delta: 333.4 MB). Free memory was 84.2 MB in the beginning and 120.7 MB in the end (delta: -36.5 MB). Peak memory consumption was 296.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:02:07,622 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:02:07,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1014.47 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 84.0 MB in the beginning and 157.2 MB in the end (delta: -73.2 MB). Peak memory consumption was 32.7 MB. Max. memory is 7.1 GB. [2019-09-25 17:02:07,625 INFO L168 Benchmark]: Boogie Preprocessor took 156.41 ms. Allocated memory is still 200.8 MB. Free memory was 157.2 MB in the beginning and 152.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:02:07,628 INFO L168 Benchmark]: RCFGBuilder took 1855.02 ms. Allocated memory was 200.8 MB in the beginning and 220.7 MB in the end (delta: 19.9 MB). Free memory was 152.2 MB in the beginning and 102.3 MB in the end (delta: 50.0 MB). Peak memory consumption was 87.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:02:07,629 INFO L168 Benchmark]: Sifa took 5107.06 ms. Allocated memory was 220.7 MB in the beginning and 471.3 MB in the end (delta: 250.6 MB). Free memory was 102.3 MB in the beginning and 120.7 MB in the end (delta: -18.4 MB). Peak memory consumption was 232.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:02:07,638 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 137.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1014.47 ms. Allocated memory was 137.9 MB in the beginning and 200.8 MB in the end (delta: 62.9 MB). Free memory was 84.0 MB in the beginning and 157.2 MB in the end (delta: -73.2 MB). Peak memory consumption was 32.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 156.41 ms. Allocated memory is still 200.8 MB. Free memory was 157.2 MB in the beginning and 152.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1855.02 ms. Allocated memory was 200.8 MB in the beginning and 220.7 MB in the end (delta: 19.9 MB). Free memory was 152.2 MB in the beginning and 102.3 MB in the end (delta: 50.0 MB). Peak memory consumption was 87.9 MB. Max. memory is 7.1 GB. * Sifa took 5107.06 ms. Allocated memory was 220.7 MB in the beginning and 471.3 MB in the end (delta: 250.6 MB). Free memory was 102.3 MB in the beginning and 120.7 MB in the end (delta: -18.4 MB). Peak memory consumption was 232.2 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]: 5005, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1937, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 1823, TOOLS_POST_TIME[ms]: 640, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 22, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1826, TOOLS_QUANTIFIERELIM_TIME[ms]: 415, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 38, FLUID_QUERIES: 2018, FLUID_YES_ANSWERS: 89, DOMAIN_JOIN_APPLICATIONS: 1496, DOMAIN_JOIN_TIME[ms]: 1854, DOMAIN_ALPHA_APPLICATIONS: 89, DOMAIN_ALPHA_TIME[ms]: 163, DOMAIN_WIDEN_APPLICATIONS: 35, DOMAIN_WIDEN_TIME[ms]: 91, DOMAIN_ISSUBSETEQ_APPLICATIONS: 81, DOMAIN_ISSUBSETEQ_TIME[ms]: 108, DOMAIN_ISBOTTOM_APPLICATIONS: 376, DOMAIN_ISBOTTOM_TIME[ms]: 638, LOOP_SUMMARIZER_APPLICATIONS: 46, LOOP_SUMMARIZER_CACHE_MISSES: 46, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1359, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1357, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 81, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 62, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 61, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 52, REGEX_TO_DAG_TIME[ms]: 32, DAG_COMPRESSION_TIME[ms]: 1074, DAG_COMPRESSION_PROCESSED_NODES: 82769, DAG_COMPRESSION_RETAINED_NODES: 1412 - UnprovableResult [Line: 100]: 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 7436#(and (= main_~__tmp_5~0 main_~__VERIFIER_assert__cond~4) (= main_~__tmp_5~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~main__tagbuf_len~0 main_~main__t~0) (= main_~__VERIFIER_assert__cond~4 0)). Possible FailurePath: - UnprovableResult [Line: 2611]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 2821#(and (= main_~__tmp_134~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (= main_~__VERIFIER_assert__cond~133 main_~__tmp_134~0) (not (= main_~__VERIFIER_assert__cond~132 0)) (= main_~__VERIFIER_assert__cond~133 0)). Possible FailurePath: - PositiveResult [Line: 112]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 30]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 2805#(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: 2599]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 2814#(= main_~__VERIFIER_assert__cond~132 0). Possible FailurePath: - UnprovableResult [Line: 214]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 5958#(and (= main_~__VERIFIER_assert__cond~10 main_~__tmp_11~0) (= main_~__VERIFIER_assert__cond~11 main_~__tmp_12~0) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_12~0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_11~0) (not (= main_~__VERIFIER_assert__cond~10 0)) (= main_~__VERIFIER_assert__cond~11 0)). Possible FailurePath: - UnprovableResult [Line: 152]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 6722#(and (= main_~__tmp_8~0 main_~__VERIFIER_assert__cond~7) (= main_~__tmp_7~0 main_~__VERIFIER_assert__cond~6) (not (= 0 main_~main____CPAchecker_TMP_4~0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (= main_~__tmp_8~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (= main_~__tmp_7~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~7 0)). Possible FailurePath: - UnprovableResult [Line: 71]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 7447#(and (= main_~__VERIFIER_assert__cond~2 0) (= main_~main____CPAchecker_TMP_0~0 ~__tmp_2609_0~0) (= main_~__tmp_3~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)). Possible FailurePath: - UnprovableResult [Line: 262]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 6455#(and (<= main_~main____CPAchecker_TMP_6~0 2147483647) (not (= 0 main_~main____CPAchecker_TMP_6~0)) (= main_~__VERIFIER_assert__cond~13 main_~__tmp_14~0) (not (= main_~__VERIFIER_assert__cond~12 0)) (= 0 main_~main____CPAchecker_TMP_3~0) (= (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0) main_~__tmp_14~0) (= main_~__VERIFIER_assert__cond~13 0) (= main_~__VERIFIER_assert__cond~12 main_~__tmp_13~0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_13~0) (<= 0 (+ main_~main____CPAchecker_TMP_6~0 2147483648))). Possible FailurePath: - PositiveResult [Line: 42]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 83]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 7442#(and (= main_~__tmp_4~0 main_~__VERIFIER_assert__cond~3) (= main_~main____CPAchecker_TMP_0~0 ~__tmp_2609_0~0) (not (= main_~__VERIFIER_assert__cond~2 0)) (= main_~__tmp_4~0 (ite (<= main_~main__t~0 main_~main__tagbuf_len~0) 1 0)) (= main_~__tmp_3~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~3 0) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)). Possible FailurePath: - UnprovableResult [Line: 140]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 6991#(and (= main_~__tmp_7~0 main_~__VERIFIER_assert__cond~6) (not (= 0 main_~main____CPAchecker_TMP_4~0)) (= main_~__tmp_7~0 (ite (<= 0 main_~main__t~0) 1 0)) (= main_~__VERIFIER_assert__cond~6 0)). Possible FailurePath: - PositiveResult [Line: 180]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 168]: 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 5687#(= main_~__VERIFIER_assert__cond~8 0). Possible FailurePath: - UnprovableResult [Line: 202]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 6250#(= main_~__VERIFIER_assert__cond~10 0). Possible FailurePath: - UnprovableResult [Line: 250]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 6920#(and (<= main_~main____CPAchecker_TMP_6~0 2147483647) (not (= 0 main_~main____CPAchecker_TMP_6~0)) (= main_~__VERIFIER_assert__cond~12 0) (= 0 main_~main____CPAchecker_TMP_3~0) (= main_~__VERIFIER_assert__cond~12 main_~__tmp_13~0) (= (ite (<= 0 main_~main__t~0) 1 0) main_~__tmp_13~0) (<= 0 (+ main_~main____CPAchecker_TMP_6~0 2147483648))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...