java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/Sifa.xml -i ../../../trunk/examples/programs/quantifier/ArrayQuantifierEliminationBug04-simplified01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:04:23,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:04:23,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:04:23,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:04:23,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:04:23,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:04:23,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:04:23,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:04:23,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:04:23,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:04:23,120 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:04:23,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:04:23,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:04:23,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:04:23,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:04:23,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:04:23,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:04:23,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:04:23,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:04:23,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:04:23,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:04:23,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:04:23,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:04:23,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:04:23,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:04:23,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:04:23,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:04:23,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:04:23,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:04:23,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:04:23,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:04:23,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:04:23,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:04:23,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:04:23,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:04:23,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:04:23,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:04:23,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:04:23,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:04:23,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:04:23,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:04:23,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:04:23,197 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:04:23,201 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:04:23,203 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:04:23,203 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:04:23,204 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/ArrayQuantifierEliminationBug04-simplified01.bpl [2019-08-05 12:04:23,205 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/ArrayQuantifierEliminationBug04-simplified01.bpl' [2019-08-05 12:04:23,258 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:04:23,260 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 12:04:23,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:04:23,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:04:23,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:04:23,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug04-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:04:23" (1/1) ... [2019-08-05 12:04:23,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug04-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:04:23" (1/1) ... [2019-08-05 12:04:23,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug04-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:04:23" (1/1) ... [2019-08-05 12:04:23,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug04-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:04:23" (1/1) ... [2019-08-05 12:04:23,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug04-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:04:23" (1/1) ... [2019-08-05 12:04:23,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug04-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:04:23" (1/1) ... [2019-08-05 12:04:23,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArrayQuantifierEliminationBug04-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:04:23" (1/1) ... [2019-08-05 12:04:23,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:04:23,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:04:23,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:04:23,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:04:23,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArrayQuantifierEliminationBug04-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:04:23" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-05 12:04:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-05 12:04:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:04:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-05 12:04:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:04:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-05 12:04:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-05 12:04:23,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-05 12:04:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-05 12:04:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure ~free [2019-08-05 12:04:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure ~malloc [2019-08-05 12:04:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-05 12:04:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-05 12:04:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:04:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-05 12:04:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:04:23,893 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:04:23,893 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:04:23,897 INFO L202 PluginConnector]: Adding new model ArrayQuantifierEliminationBug04-simplified01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:04:23 BoogieIcfgContainer [2019-08-05 12:04:23,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:04:23,898 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 12:04:23,898 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 12:04:23,899 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 12:04:23,901 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "ArrayQuantifierEliminationBug04-simplified01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:04:23" (1/1) ... [2019-08-05 12:04:23,913 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 12:04:23,916 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 12:04:23,923 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 12:04:23,931 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 12:04:23,941 INFO L184 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 12:04:49,191 WARN L188 SmtUtils]: Spent 25.21 s on a formula simplification that was a NOOP. DAG size: 102 [2019-08-05 12:04:49,221 INFO L184 IcfgInterpreter]: Interpreting procedure main with input of size 120 [2019-08-05 12:04:49,369 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 23 [2019-08-05 12:06:09,362 WARN L188 SmtUtils]: Spent 1.33 m on a formula simplification. DAG size of input: 193 DAG size of output: 186 [2019-08-05 12:06:09,365 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 12:06:09,365 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 12:06:09,371 INFO L178 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 17#(and (= |main_#t~mem8| (select (select |#memory_int| |main_#t~mem7.base|) |main_#t~mem7.offset|)) (not (= 0 |~#a~1.base|)) (exists ((|v_#memory_$Pointer$.offset_34| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_20| (Array Int (Array Int Int)))) (and (= (store |v_#memory_$Pointer$.offset_34| |~#a~1.base| (store (select |v_#memory_$Pointer$.offset_34| |~#a~1.base|) |~#a~1.offset| (select (select |v_#memory_$Pointer$.offset_20| |~#a~1.base|) |~#a~1.offset|))) |v_#memory_$Pointer$.offset_20|) (= (store |v_#memory_$Pointer$.offset_20| |~#b~1.base| (store (select |v_#memory_$Pointer$.offset_20| |~#b~1.base|) |~#b~1.offset| (select (select |#memory_$Pointer$.offset| |~#b~1.base|) |~#b~1.offset|))) |#memory_$Pointer$.offset|) (exists ((|v_#memory_$Pointer$.offset_33| (Array Int (Array Int Int)))) (= |v_#memory_$Pointer$.offset_34| (store |v_#memory_$Pointer$.offset_33| ~pp1~1.base (store (select |v_#memory_$Pointer$.offset_33| ~pp1~1.base) ~pp1~1.offset (select (select |v_#memory_$Pointer$.offset_33| ~pp2~1.base) ~pp2~1.offset))))))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| |~#p1~1.base|) |~#p1~1.offset|)) (exists ((|v_#length_11| (Array Int Int))) (= (store (store (store |v_#length_11| |~#a~1.base| 4) |~#b~1.base| 4) |~#p1~1.base| 4) |#length|)) (exists ((|v_#memory_$Pointer$.base_34| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_20| (Array Int (Array Int Int)))) (and (= |#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_20| |~#b~1.base| (store (select |v_#memory_$Pointer$.base_20| |~#b~1.base|) |~#b~1.offset| (select (select |#memory_$Pointer$.base| |~#b~1.base|) |~#b~1.offset|)))) (exists ((|v_#memory_$Pointer$.base_33| (Array Int (Array Int Int)))) (= (store |v_#memory_$Pointer$.base_33| ~pp1~1.base (store (select |v_#memory_$Pointer$.base_33| ~pp1~1.base) ~pp1~1.offset (select (select |v_#memory_$Pointer$.base_33| ~pp2~1.base) ~pp2~1.offset))) |v_#memory_$Pointer$.base_34|)) (= |v_#memory_$Pointer$.base_20| (store |v_#memory_$Pointer$.base_34| |~#a~1.base| (store (select |v_#memory_$Pointer$.base_34| |~#a~1.base|) |~#a~1.offset| (select (select |v_#memory_$Pointer$.base_20| |~#a~1.base|) |~#a~1.offset|)))))) (not (= 8 |main_#t~mem8|)) (not (= |~#b~1.base| 0)) (= 0 |~#p1~1.offset|) (not (= |~#p1~1.base| 0)) (= |~#p1~1.base| ~pp1~1.base) (exists ((|v_#memory_$Pointer$.offset_23| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_31| (Array Int (Array Int Int)))) (and (= (store |v_#memory_$Pointer$.offset_31| |~#b~1.base| (store (select |v_#memory_$Pointer$.offset_31| |~#b~1.base|) |~#b~1.offset| (select (select |v_#memory_$Pointer$.offset_23| |~#b~1.base|) |~#b~1.offset|))) |v_#memory_$Pointer$.offset_23|) (= (store (store |v_#memory_$Pointer$.offset_23| |~#p1~1.base| (store (select |v_#memory_$Pointer$.offset_23| |~#p1~1.base|) |~#p1~1.offset| |#NULL.offset|)) |~#p2~1.base| (store (select (store |v_#memory_$Pointer$.offset_23| |~#p1~1.base| (store (select |v_#memory_$Pointer$.offset_23| |~#p1~1.base|) |~#p1~1.offset| |#NULL.offset|)) |~#p2~1.base|) |~#p2~1.offset| |#NULL.offset|)) |old(#memory_$Pointer$.offset)|))) (exists ((|v_#memory_int_22| (Array Int (Array Int Int))) (|v_#memory_int_30| (Array Int (Array Int Int)))) (and (= (store |v_#memory_int_22| |~#p2~1.base| (store (select |v_#memory_int_22| |~#p2~1.base|) |~#p2~1.offset| (select (select |old(#memory_int)| |~#p2~1.base|) |~#p2~1.offset|))) |old(#memory_int)|) (= (store (store |v_#memory_int_30| |~#b~1.base| (store (select |v_#memory_int_30| |~#b~1.base|) |~#b~1.offset| 0)) |~#p1~1.base| (store (select (store |v_#memory_int_30| |~#b~1.base| (store (select |v_#memory_int_30| |~#b~1.base|) |~#b~1.offset| 0)) |~#p1~1.base|) |~#p1~1.offset| (select (select |v_#memory_int_22| |~#p1~1.base|) |~#p1~1.offset|))) |v_#memory_int_22|))) (= |~#b~1.offset| 0) (= |~#a~1.offset| 0) (= ~pp2~1.offset |~#p2~1.offset|) (exists ((|v_#memory_$Pointer$.base_23| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_31| (Array Int (Array Int Int)))) (and (= |v_#memory_$Pointer$.base_23| (store |v_#memory_$Pointer$.base_31| |~#b~1.base| (store (select |v_#memory_$Pointer$.base_31| |~#b~1.base|) |~#b~1.offset| (select (select |v_#memory_$Pointer$.base_23| |~#b~1.base|) |~#b~1.offset|)))) (= |old(#memory_$Pointer$.base)| (store (store |v_#memory_$Pointer$.base_23| |~#p1~1.base| (store (select |v_#memory_$Pointer$.base_23| |~#p1~1.base|) |~#p1~1.offset| |#NULL.base|)) |~#p2~1.base| (store (select (store |v_#memory_$Pointer$.base_23| |~#p1~1.base| (store (select |v_#memory_$Pointer$.base_23| |~#p1~1.base|) |~#p1~1.offset| |#NULL.base|)) |~#p2~1.base|) |~#p2~1.offset| |#NULL.base|))))) (= |main_#t~mem7.offset| (select (select |#memory_$Pointer$.offset| |~#p1~1.base|) |~#p1~1.offset|)) (exists ((|v_#valid_13| (Array Int Bool))) (and (not (select (store (store |v_#valid_13| 0 false) |~#a~1.base| true) |~#b~1.base|)) (= |#valid| (store (store (store (store |v_#valid_13| 0 false) |~#a~1.base| true) |~#b~1.base| true) |~#p1~1.base| true)) (not (select (store (store (store |v_#valid_13| 0 false) |~#a~1.base| true) |~#b~1.base| true) |~#p1~1.base|)) (not (select (store |v_#valid_13| 0 false) |~#a~1.base|)))) (= ~pp1~1.offset |~#p1~1.offset|) (exists ((|v_#memory_int_33| (Array Int (Array Int Int)))) (= (store (store |v_#memory_int_33| |~#a~1.base| (store (select |v_#memory_int_33| |~#a~1.base|) |~#a~1.offset| |main_#t~ret4|)) |~#b~1.base| (store (select (store |v_#memory_int_33| |~#a~1.base| (store (select |v_#memory_int_33| |~#a~1.base|) |~#a~1.offset| |main_#t~ret4|)) |~#b~1.base|) |~#b~1.offset| 8)) |#memory_int|)) (= ~pp2~1.base |~#p2~1.base|)) [2019-08-05 12:06:09,379 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 12:06:09,382 INFO L168 Benchmark]: Toolchain (without parser) took 106120.86 ms. Allocated memory was 140.5 MB in the beginning and 177.2 MB in the end (delta: 36.7 MB). Free memory was 107.5 MB in the beginning and 134.9 MB in the end (delta: -27.4 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:06:09,385 INFO L168 Benchmark]: Boogie PL CUP Parser took 1.48 ms. Allocated memory is still 140.5 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 12:06:09,387 INFO L168 Benchmark]: Boogie Preprocessor took 45.97 ms. Allocated memory is still 140.5 MB. Free memory was 107.3 MB in the beginning and 105.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:06:09,388 INFO L168 Benchmark]: RCFGBuilder took 590.68 ms. Allocated memory is still 140.5 MB. Free memory was 105.1 MB in the beginning and 87.3 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:06:09,389 INFO L168 Benchmark]: Symbolic Interpretation took 105481.10 ms. Allocated memory was 140.5 MB in the beginning and 177.2 MB in the end (delta: 36.7 MB). Free memory was 87.3 MB in the beginning and 134.9 MB in the end (delta: -47.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:06:09,395 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 26]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 1.48 ms. Allocated memory is still 140.5 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.97 ms. Allocated memory is still 140.5 MB. Free memory was 107.3 MB in the beginning and 105.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 590.68 ms. Allocated memory is still 140.5 MB. Free memory was 105.1 MB in the beginning and 87.3 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 105481.10 ms. Allocated memory was 140.5 MB in the beginning and 177.2 MB in the end (delta: 36.7 MB). Free memory was 87.3 MB in the beginning and 134.9 MB in the end (delta: -47.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...