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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:23:13,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:23:13,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:23:13,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:23:13,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:23:13,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:23:13,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:23:13,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:23:13,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:23:13,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:23:13,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:23:13,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:23:13,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:23:13,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:23:13,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:23:13,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:23:13,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:23:13,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:23:13,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:23:13,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:23:13,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:23:13,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:23:13,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:23:13,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:23:13,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:23:13,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:23:13,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:23:13,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:23:13,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:23:13,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:23:13,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:23:13,468 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:23:13,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:23:13,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:23:13,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:23:13,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:23:13,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:23:13,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:23:13,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:23:13,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:23:13,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:23:13,477 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 19:23:13,499 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:23:13,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:23:13,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:23:13,502 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:23:13,502 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:23:13,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:23:13,503 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:23:13,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:23:13,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:23:13,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:23:13,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:23:13,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:23:13,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:23:13,505 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:23:13,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:23:13,506 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:23:13,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:23:13,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:23:13,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:23:13,506 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:23:13,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:23:13,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:23:13,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:23:13,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:23:13,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:23:13,508 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:23:13,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:23:13,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:23:13,508 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 -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 19:23:13,545 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:23:13,561 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:23:13,569 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:23:13,570 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:23:13,571 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:23:13,572 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-09-20 19:23:13,642 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67461cb55/d647801f46244a44922fbd7dfe9e72af/FLAG411e50346 [2019-09-20 19:23:14,091 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:23:14,092 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-09-20 19:23:14,098 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67461cb55/d647801f46244a44922fbd7dfe9e72af/FLAG411e50346 [2019-09-20 19:23:14,502 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67461cb55/d647801f46244a44922fbd7dfe9e72af [2019-09-20 19:23:14,515 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:23:14,516 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:23:14,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:23:14,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:23:14,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:23:14,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:23:14" (1/1) ... [2019-09-20 19:23:14,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@583b480a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:14, skipping insertion in model container [2019-09-20 19:23:14,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:23:14" (1/1) ... [2019-09-20 19:23:14,532 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:23:14,550 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:23:14,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:23:14,726 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:23:14,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:23:14,759 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:23:14,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:14 WrapperNode [2019-09-20 19:23:14,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:23:14,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:23:14,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:23:14,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:23:14,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:14" (1/1) ... [2019-09-20 19:23:14,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:14" (1/1) ... [2019-09-20 19:23:14,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:14" (1/1) ... [2019-09-20 19:23:14,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:14" (1/1) ... [2019-09-20 19:23:14,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:14" (1/1) ... [2019-09-20 19:23:14,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:14" (1/1) ... [2019-09-20 19:23:14,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:14" (1/1) ... [2019-09-20 19:23:14,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:23:14,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:23:14,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:23:14,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:23:14,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:23:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:23:14,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:23:14,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:23:14,944 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:23:14,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:23:14,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 19:23:14,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 19:23:14,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:23:14,945 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:23:14,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:23:14,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:23:15,203 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:23:15,204 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 19:23:15,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:23:15 BoogieIcfgContainer [2019-09-20 19:23:15,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:23:15,206 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:23:15,206 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:23:15,206 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:23:15,216 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:23:15" (1/1) ... [2019-09-20 19:23:15,217 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 19:23:15,246 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-09-20 19:23:15,247 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:23:15,255 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:23:15,264 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:23:15,265 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:23:15,346 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 8 for LOIs [2019-09-20 19:23:15,633 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 32 [2019-09-20 19:23:15,897 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 32 [2019-09-20 19:23:16,115 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2019-09-20 19:23:16,342 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2019-09-20 19:23:16,690 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2019-09-20 19:23:16,989 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2019-09-20 19:23:17,331 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 42 [2019-09-20 19:23:17,787 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 42 [2019-09-20 19:23:18,064 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-20 19:23:18,445 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2019-09-20 19:23:19,017 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2019-09-20 19:23:19,125 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2019-09-20 19:23:19,374 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-09-20 19:23:19,769 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 39 [2019-09-20 19:23:19,874 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 19:23:19,874 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 19:23:19,877 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 184#false [2019-09-20 19:23:19,877 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 180#(and (and (= main_~__tmp_2~0 (ite (< 0 (+ main_~main__i~0 1)) 1 0)) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1) (and (= main_~__tmp_3~0 1) (<= (+ main_~main__i~0 1) main_~main__nlen~0)) (< main_~main__j~0 8) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)) (= main_~__VERIFIER_assert__cond~1 0)) [2019-09-20 19:23:19,878 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 169#(and (= main_~__VERIFIER_assert__cond~2 0) (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_3~0) (= main_~__tmp_2~0 1) (< main_~main__j~0 8) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)) [2019-09-20 19:23:19,889 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 19:23:19,890 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 19:23:19,891 INFO L168 Benchmark]: Toolchain (without parser) took 5375.00 ms. Allocated memory was 134.7 MB in the beginning and 291.5 MB in the end (delta: 156.8 MB). Free memory was 90.9 MB in the beginning and 92.8 MB in the end (delta: -1.9 MB). Peak memory consumption was 154.9 MB. Max. memory is 7.1 GB. [2019-09-20 19:23:19,892 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 19:23:19,893 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.72 ms. Allocated memory is still 134.7 MB. Free memory was 90.7 MB in the beginning and 81.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-20 19:23:19,894 INFO L168 Benchmark]: Boogie Preprocessor took 122.66 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 81.1 MB in the beginning and 177.4 MB in the end (delta: -96.3 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-09-20 19:23:19,895 INFO L168 Benchmark]: RCFGBuilder took 321.83 ms. Allocated memory is still 201.3 MB. Free memory was 177.4 MB in the beginning and 162.7 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2019-09-20 19:23:19,896 INFO L168 Benchmark]: Sifa took 4684.03 ms. Allocated memory was 201.3 MB in the beginning and 291.5 MB in the end (delta: 90.2 MB). Free memory was 162.7 MB in the beginning and 92.8 MB in the end (delta: 69.8 MB). Peak memory consumption was 160.0 MB. Max. memory is 7.1 GB. [2019-09-20 19:23:19,900 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 134.7 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 242.72 ms. Allocated memory is still 134.7 MB. Free memory was 90.7 MB in the beginning and 81.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.66 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 81.1 MB in the beginning and 177.4 MB in the end (delta: -96.3 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 321.83 ms. Allocated memory is still 201.3 MB. Free memory was 177.4 MB in the beginning and 162.7 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. * Sifa took 4684.03 ms. Allocated memory was 201.3 MB in the beginning and 291.5 MB in the end (delta: 90.2 MB). Free memory was 162.7 MB in the beginning and 92.8 MB in the end (delta: 69.8 MB). Peak memory consumption was 160.0 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]: 4631, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 140, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 126, TOOLS_POST_TIME[ms]: 122, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 19, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 129, TOOLS_QUANTIFIERELIM_TIME[ms]: 96, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 146, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 21, DOMAIN_JOIN_TIME[ms]: 3233, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 1112, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 8, DOMAIN_ISBOTTOM_TIME[ms]: 18, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4207, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4206, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 32, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 31, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 31, DAG_COMPRESSION_PROCESSED_NODES: 332, DAG_COMPRESSION_RETAINED_NODES: 96 - PositiveResult [Line: 30]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 43]: 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 180#(and (and (= main_~__tmp_2~0 (ite (< 0 (+ main_~main__i~0 1)) 1 0)) (= main_~__tmp_2~0 main_~__VERIFIER_assert__cond~1) (and (= main_~__tmp_3~0 1) (<= (+ main_~main__i~0 1) main_~main__nlen~0)) (< main_~main__j~0 8) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)) (= main_~__VERIFIER_assert__cond~1 0)). Possible FailurePath: - UnprovableResult [Line: 59]: 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 169#(and (= main_~__VERIFIER_assert__cond~2 0) (= (ite (<= (+ main_~main__i~0 1) main_~main__nlen~0) 1 0) main_~__tmp_3~0) (= main_~__tmp_2~0 1) (< main_~main__j~0 8) (= main_~__tmp_3~0 main_~__VERIFIER_assert__cond~2)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...