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-efa34d5 [2019-09-18 11:19:48,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 11:19:48,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 11:19:48,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 11:19:48,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 11:19:48,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 11:19:48,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 11:19:48,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 11:19:48,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 11:19:48,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 11:19:48,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 11:19:48,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 11:19:48,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 11:19:48,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 11:19:48,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 11:19:48,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 11:19:48,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 11:19:48,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 11:19:48,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 11:19:48,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 11:19:48,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 11:19:48,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 11:19:48,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 11:19:48,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 11:19:48,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 11:19:48,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 11:19:48,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 11:19:48,185 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 11:19:48,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 11:19:48,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 11:19:48,188 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 11:19:48,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 11:19:48,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 11:19:48,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 11:19:48,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 11:19:48,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 11:19:48,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 11:19:48,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 11:19:48,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 11:19:48,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 11:19:48,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 11:19:48,201 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 [2019-09-18 11:19:48,227 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 11:19:48,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 11:19:48,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 11:19:48,229 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 11:19:48,229 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 11:19:48,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 11:19:48,230 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 11:19:48,230 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 11:19:48,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 11:19:48,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 11:19:48,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 11:19:48,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 11:19:48,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 11:19:48,231 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 11:19:48,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 11:19:48,232 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 11:19:48,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 11:19:48,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 11:19:48,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 11:19:48,232 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 11:19:48,233 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 11:19:48,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 11:19:48,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 11:19:48,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 11:19:48,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 11:19:48,234 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 11:19:48,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 11:19:48,234 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 11:19:48,234 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 [2019-09-18 11:19:48,275 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 11:19:48,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 11:19:48,296 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 11:19:48,298 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 11:19:48,298 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 11:19:48,299 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-09-18 11:19:48,374 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f084c2af/8b92fc2ebeff48f9a3b53fa9f366e883/FLAG113a835f3 [2019-09-18 11:19:48,886 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 11:19:48,887 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i.v+lhb-reducer.c [2019-09-18 11:19:48,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f084c2af/8b92fc2ebeff48f9a3b53fa9f366e883/FLAG113a835f3 [2019-09-18 11:19:49,297 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f084c2af/8b92fc2ebeff48f9a3b53fa9f366e883 [2019-09-18 11:19:49,307 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 11:19:49,308 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 11:19:49,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 11:19:49,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 11:19:49,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 11:19:49,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:19:49" (1/1) ... [2019-09-18 11:19:49,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d97e356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:49, skipping insertion in model container [2019-09-18 11:19:49,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:19:49" (1/1) ... [2019-09-18 11:19:49,326 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 11:19:49,354 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 11:19:49,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:19:49,629 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 11:19:49,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:19:49,676 INFO L192 MainTranslator]: Completed translation [2019-09-18 11:19:49,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:49 WrapperNode [2019-09-18 11:19:49,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 11:19:49,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 11:19:49,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 11:19:49,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 11:19:49,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:49" (1/1) ... [2019-09-18 11:19:49,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:49" (1/1) ... [2019-09-18 11:19:49,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:49" (1/1) ... [2019-09-18 11:19:49,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:49" (1/1) ... [2019-09-18 11:19:49,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:49" (1/1) ... [2019-09-18 11:19:49,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:49" (1/1) ... [2019-09-18 11:19:49,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:49" (1/1) ... [2019-09-18 11:19:49,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 11:19:49,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 11:19:49,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 11:19:49,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 11:19:49,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:19:49" (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 [2019-09-18 11:19:49,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 11:19:49,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 11:19:49,857 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 11:19:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 11:19:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-18 11:19:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-18 11:19:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 11:19:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 11:19:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 11:19:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 11:19:50,105 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 11:19:50,106 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-18 11:19:50,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:19:50 BoogieIcfgContainer [2019-09-18 11:19:50,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 11:19:50,108 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 11:19:50,108 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 11:19:50,109 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 11:19:50,118 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:19:50" (1/1) ... [2019-09-18 11:19:50,119 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 [2019-09-18 11:19:50,152 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-09-18 11:19:50,153 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 11:19:50,165 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 11:19:50,175 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 11:19:50,177 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 11:19:50,268 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 8 for LOIs [2019-09-18 11:19:50,532 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 32 [2019-09-18 11:19:50,801 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 32 [2019-09-18 11:19:51,030 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2019-09-18 11:19:51,279 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2019-09-18 11:19:51,618 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2019-09-18 11:19:51,863 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2019-09-18 11:19:52,202 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 42 [2019-09-18 11:19:52,700 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 42 [2019-09-18 11:19:52,987 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2019-09-18 11:19:53,371 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2019-09-18 11:19:53,964 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2019-09-18 11:19:54,072 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2019-09-18 11:19:54,330 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-09-18 11:19:54,748 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 39 [2019-09-18 11:19:54,848 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 11:19:54,848 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 11:19:54,850 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 184#(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)) [2019-09-18 11:19:54,851 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 36#false [2019-09-18 11:19:54,851 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 173#(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)) [2019-09-18 11:19:54,865 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 11:19:54,865 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 11:19:54,867 INFO L168 Benchmark]: Toolchain (without parser) took 5559.00 ms. Allocated memory was 140.5 MB in the beginning and 299.4 MB in the end (delta: 158.9 MB). Free memory was 87.2 MB in the beginning and 132.6 MB in the end (delta: -45.4 MB). Peak memory consumption was 113.5 MB. Max. memory is 7.1 GB. [2019-09-18 11:19:54,868 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 11:19:54,869 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.52 ms. Allocated memory is still 140.5 MB. Free memory was 87.0 MB in the beginning and 77.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-18 11:19:54,870 INFO L168 Benchmark]: Boogie Preprocessor took 119.12 ms. Allocated memory was 140.5 MB in the beginning and 198.7 MB in the end (delta: 58.2 MB). Free memory was 77.2 MB in the beginning and 175.8 MB in the end (delta: -98.6 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-09-18 11:19:54,871 INFO L168 Benchmark]: RCFGBuilder took 310.87 ms. Allocated memory is still 198.7 MB. Free memory was 175.8 MB in the beginning and 161.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2019-09-18 11:19:54,872 INFO L168 Benchmark]: Sifa took 4757.17 ms. Allocated memory was 198.7 MB in the beginning and 299.4 MB in the end (delta: 100.7 MB). Free memory was 161.4 MB in the beginning and 132.6 MB in the end (delta: 28.8 MB). Peak memory consumption was 129.4 MB. Max. memory is 7.1 GB. [2019-09-18 11:19:54,876 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 368.52 ms. Allocated memory is still 140.5 MB. Free memory was 87.0 MB in the beginning and 77.2 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.12 ms. Allocated memory was 140.5 MB in the beginning and 198.7 MB in the end (delta: 58.2 MB). Free memory was 77.2 MB in the beginning and 175.8 MB in the end (delta: -98.6 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 310.87 ms. Allocated memory is still 198.7 MB. Free memory was 175.8 MB in the beginning and 161.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * Sifa took 4757.17 ms. Allocated memory was 198.7 MB in the beginning and 299.4 MB in the end (delta: 100.7 MB). Free memory was 161.4 MB in the beginning and 132.6 MB in the end (delta: 28.8 MB). Peak memory consumption was 129.4 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]: 4699, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 140, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 126, TOOLS_POST_TIME[ms]: 136, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 18, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 129, TOOLS_QUANTIFIERELIM_TIME[ms]: 103, 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]: 3285, 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]: 9, DOMAIN_ISBOTTOM_APPLICATIONS: 8, DOMAIN_ISBOTTOM_TIME[ms]: 20, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4255, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4254, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 41, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 41, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 36, DAG_COMPRESSION_PROCESSED_NODES: 332, DAG_COMPRESSION_RETAINED_NODES: 96 - 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 184#(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: - PositiveResult [Line: 30]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - 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 173#(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...