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/heapseparator/speedup-poc03-14.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:06:11,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:06:11,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:06:11,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:06:11,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:06:11,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:06:11,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:06:11,517 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:06:11,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:06:11,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:06:11,522 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:06:11,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:06:11,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:06:11,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:06:11,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:06:11,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:06:11,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:06:11,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:06:11,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:06:11,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:06:11,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:06:11,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:06:11,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:06:11,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:06:11,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:06:11,555 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:06:11,555 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:06:11,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:06:11,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:06:11,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:06:11,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:06:11,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:06:11,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:06:11,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:06:11,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:06:11,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:06:11,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:06:11,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:06:11,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:06:11,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:06:11,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:06:11,598 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:06:11,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:06:11,614 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:06:11,615 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:06:11,616 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:06:11,617 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc03-14.bpl [2019-08-05 18:06:11,617 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc03-14.bpl' [2019-08-05 18:06:11,660 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:06:11,662 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:06:11,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:06:11,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:06:11,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:06:11,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc03-14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:06:11" (1/1) ... [2019-08-05 18:06:11,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc03-14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:06:11" (1/1) ... [2019-08-05 18:06:11,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc03-14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:06:11" (1/1) ... [2019-08-05 18:06:11,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc03-14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:06:11" (1/1) ... [2019-08-05 18:06:11,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc03-14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:06:11" (1/1) ... [2019-08-05 18:06:11,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc03-14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:06:11" (1/1) ... [2019-08-05 18:06:11,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc03-14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:06:11" (1/1) ... [2019-08-05 18:06:11,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:06:11,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:06:11,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:06:11,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:06:11,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc03-14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:06:11" (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 18:06:11,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 18:06:11,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 18:06:11,788 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 18:06:11,788 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 18:06:11,788 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-05 18:06:12,520 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 18:06:12,521 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 18:06:12,522 INFO L202 PluginConnector]: Adding new model speedup-poc03-14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:06:12 BoogieIcfgContainer [2019-08-05 18:06:12,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:06:12,523 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:06:12,523 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:06:12,523 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:06:12,524 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "speedup-poc03-14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:06:12" (1/1) ... [2019-08-05 18:06:12,536 INFO L148 IcfgInterpreter]: Started Sifa with 14 locations of interest [2019-08-05 18:06:12,539 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:06:12,547 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 18:06:12,555 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:06:12,556 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 18:06:12,607 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 7 [2019-08-05 18:06:12,718 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:06:12,718 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:06:12,721 INFO L179 IcfgInterpreter]: Location mainErr6ASSERT_VIOLATIONASSERT has predicate 71#(and (<= 0 (select |#memory_int| main_p1)) (<= (select |#memory_int| main_p6) 0) (<= 0 (select |#memory_int| main_p5)) (not (<= 0 (select |#memory_int| main_p7))) (<= 0 (select |#memory_int| main_p3)) (<= (select |#memory_int| main_p2) 0) (<= (select |#memory_int| main_p4) 0)) [2019-08-05 18:06:12,722 INFO L179 IcfgInterpreter]: Location mainErr10ASSERT_VIOLATIONASSERT has predicate 59#(and (<= 0 (select |#memory_int| main_p1)) (<= (select |#memory_int| main_p6) 0) (not (<= 0 (select |#memory_int| main_p11))) (<= 0 (select |#memory_int| main_p9)) (<= (select |#memory_int| main_p8) 0) (<= 0 (select |#memory_int| main_p5)) (<= 0 (select |#memory_int| main_p7)) (<= 0 (select |#memory_int| main_p3)) (<= (select |#memory_int| main_p2) 0) (<= (select |#memory_int| main_p10) 0) (<= (select |#memory_int| main_p4) 0)) [2019-08-05 18:06:12,722 INFO L179 IcfgInterpreter]: Location mainErr3ASSERT_VIOLATIONASSERT has predicate 80#(and (not (<= (select |#memory_int| main_p4) 0)) (<= 0 (select |#memory_int| main_p1)) (<= 0 (select |#memory_int| main_p3)) (<= (select |#memory_int| main_p2) 0)) [2019-08-05 18:06:12,722 INFO L179 IcfgInterpreter]: Location mainErr8ASSERT_VIOLATIONASSERT has predicate 65#(and (<= 0 (select |#memory_int| main_p1)) (<= (select |#memory_int| main_p6) 0) (<= (select |#memory_int| main_p8) 0) (<= 0 (select |#memory_int| main_p5)) (not (<= 0 (select |#memory_int| main_p9))) (<= 0 (select |#memory_int| main_p7)) (<= 0 (select |#memory_int| main_p3)) (<= (select |#memory_int| main_p2) 0) (<= (select |#memory_int| main_p4) 0)) [2019-08-05 18:06:12,723 INFO L179 IcfgInterpreter]: Location mainErr9ASSERT_VIOLATIONASSERT has predicate 62#(and (<= 0 (select |#memory_int| main_p1)) (<= (select |#memory_int| main_p6) 0) (<= 0 (select |#memory_int| main_p9)) (<= (select |#memory_int| main_p8) 0) (<= 0 (select |#memory_int| main_p5)) (<= 0 (select |#memory_int| main_p7)) (<= 0 (select |#memory_int| main_p3)) (<= (select |#memory_int| main_p2) 0) (not (<= (select |#memory_int| main_p10) 0)) (<= (select |#memory_int| main_p4) 0)) [2019-08-05 18:06:12,723 INFO L179 IcfgInterpreter]: Location mainErr12ASSERT_VIOLATIONASSERT has predicate 53#(and (<= 0 (select |#memory_int| main_p1)) (<= (select |#memory_int| main_p6) 0) (<= (select |#memory_int| main_p8) 0) (not (<= 0 (select |#memory_int| main_p13))) (<= 0 (select |#memory_int| main_p9)) (<= (select |#memory_int| main_p12) 0) (<= 0 (select |#memory_int| main_p11)) (<= 0 (select |#memory_int| main_p5)) (<= 0 (select |#memory_int| main_p7)) (<= 0 (select |#memory_int| main_p3)) (<= (select |#memory_int| main_p2) 0) (<= (select |#memory_int| main_p10) 0) (<= (select |#memory_int| main_p4) 0)) [2019-08-05 18:06:12,724 INFO L179 IcfgInterpreter]: Location mainErr4ASSERT_VIOLATIONASSERT has predicate 77#(and (<= 0 (select |#memory_int| main_p1)) (not (<= 0 (select |#memory_int| main_p5))) (<= 0 (select |#memory_int| main_p3)) (<= (select |#memory_int| main_p2) 0) (<= (select |#memory_int| main_p4) 0)) [2019-08-05 18:06:12,724 INFO L179 IcfgInterpreter]: Location mainErr5ASSERT_VIOLATIONASSERT has predicate 74#(and (<= 0 (select |#memory_int| main_p1)) (not (<= (select |#memory_int| main_p6) 0)) (<= 0 (select |#memory_int| main_p5)) (<= 0 (select |#memory_int| main_p3)) (<= (select |#memory_int| main_p2) 0) (<= (select |#memory_int| main_p4) 0)) [2019-08-05 18:06:12,725 INFO L179 IcfgInterpreter]: Location mainErr13ASSERT_VIOLATIONASSERT has predicate 50#(and (<= 0 (select |#memory_int| main_p1)) (<= (select |#memory_int| main_p6) 0) (not (<= (select |#memory_int| main_p14) 0)) (<= (select |#memory_int| main_p8) 0) (<= 0 (select |#memory_int| main_p9)) (<= (select |#memory_int| main_p12) 0) (<= 0 (select |#memory_int| main_p11)) (<= 0 (select |#memory_int| main_p5)) (<= 0 (select |#memory_int| main_p7)) (<= 0 (select |#memory_int| main_p13)) (<= 0 (select |#memory_int| main_p3)) (<= (select |#memory_int| main_p2) 0) (<= (select |#memory_int| main_p10) 0) (<= (select |#memory_int| main_p4) 0)) [2019-08-05 18:06:12,725 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONASSERT has predicate 89#(not (<= 0 (select |#memory_int| main_p1))) [2019-08-05 18:06:12,725 INFO L179 IcfgInterpreter]: Location mainErr11ASSERT_VIOLATIONASSERT has predicate 56#(and (not (<= (select |#memory_int| main_p12) 0)) (<= 0 (select |#memory_int| main_p1)) (<= (select |#memory_int| main_p6) 0) (<= 0 (select |#memory_int| main_p9)) (<= 0 (select |#memory_int| main_p11)) (<= (select |#memory_int| main_p8) 0) (<= 0 (select |#memory_int| main_p5)) (<= 0 (select |#memory_int| main_p7)) (<= 0 (select |#memory_int| main_p3)) (<= (select |#memory_int| main_p2) 0) (<= (select |#memory_int| main_p10) 0) (<= (select |#memory_int| main_p4) 0)) [2019-08-05 18:06:12,726 INFO L179 IcfgInterpreter]: Location mainErr2ASSERT_VIOLATIONASSERT has predicate 83#(and (<= 0 (select |#memory_int| main_p1)) (not (<= 0 (select |#memory_int| main_p3))) (<= (select |#memory_int| main_p2) 0)) [2019-08-05 18:06:12,726 INFO L179 IcfgInterpreter]: Location mainErr7ASSERT_VIOLATIONASSERT has predicate 68#(and (<= 0 (select |#memory_int| main_p1)) (<= (select |#memory_int| main_p6) 0) (not (<= (select |#memory_int| main_p8) 0)) (<= 0 (select |#memory_int| main_p5)) (<= 0 (select |#memory_int| main_p7)) (<= 0 (select |#memory_int| main_p3)) (<= (select |#memory_int| main_p2) 0) (<= (select |#memory_int| main_p4) 0)) [2019-08-05 18:06:12,727 INFO L179 IcfgInterpreter]: Location mainErr1ASSERT_VIOLATIONASSERT has predicate 86#(and (<= 0 (select |#memory_int| main_p1)) (not (<= (select |#memory_int| main_p2) 0))) [2019-08-05 18:06:12,729 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:06:12,737 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:06:12,741 INFO L168 Benchmark]: Toolchain (without parser) took 1077.73 ms. Allocated memory is still 137.4 MB. Free memory was 105.5 MB in the beginning and 74.9 MB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. [2019-08-05 18:06:12,742 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-05 18:06:12,743 INFO L168 Benchmark]: Boogie Preprocessor took 53.93 ms. Allocated memory is still 137.4 MB. Free memory was 105.5 MB in the beginning and 103.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-05 18:06:12,744 INFO L168 Benchmark]: RCFGBuilder took 805.73 ms. Allocated memory is still 137.4 MB. Free memory was 103.1 MB in the beginning and 84.7 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2019-08-05 18:06:12,745 INFO L168 Benchmark]: Symbolic Interpretation took 214.65 ms. Allocated memory is still 137.4 MB. Free memory was 84.7 MB in the beginning and 74.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-08-05 18:06:12,749 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 86]: 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: - UnprovableResult [Line: 90]: 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: - UnprovableResult [Line: 83]: 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: - UnprovableResult [Line: 88]: 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: - UnprovableResult [Line: 89]: 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: - UnprovableResult [Line: 92]: 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: - UnprovableResult [Line: 84]: 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: - UnprovableResult [Line: 85]: 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: - UnprovableResult [Line: 93]: 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: - UnprovableResult [Line: 80]: 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: - UnprovableResult [Line: 91]: 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: - UnprovableResult [Line: 82]: 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: - UnprovableResult [Line: 87]: 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: - UnprovableResult [Line: 81]: 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 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.93 ms. Allocated memory is still 137.4 MB. Free memory was 105.5 MB in the beginning and 103.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 805.73 ms. Allocated memory is still 137.4 MB. Free memory was 103.1 MB in the beginning and 84.7 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 214.65 ms. Allocated memory is still 137.4 MB. Free memory was 84.7 MB in the beginning and 74.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...