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/abstractInterpretation/regression/non_taipan/loop-nested-assume-unsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b03553c [2019-08-05 18:16:17,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 18:16:17,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 18:16:17,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 18:16:17,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 18:16:17,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 18:16:17,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 18:16:17,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 18:16:17,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 18:16:17,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 18:16:17,669 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 18:16:17,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 18:16:17,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 18:16:17,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 18:16:17,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 18:16:17,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 18:16:17,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 18:16:17,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 18:16:17,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 18:16:17,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 18:16:17,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 18:16:17,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 18:16:17,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 18:16:17,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 18:16:17,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 18:16:17,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 18:16:17,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 18:16:17,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 18:16:17,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 18:16:17,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 18:16:17,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 18:16:17,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 18:16:17,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 18:16:17,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 18:16:17,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 18:16:17,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 18:16:17,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 18:16:17,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 18:16:17,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 18:16:17,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 18:16:17,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 18:16:17,724 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 18:16:17,737 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 18:16:17,741 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 18:16:17,742 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 18:16:17,743 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 18:16:17,744 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/non_taipan/loop-nested-assume-unsafe.bpl [2019-08-05 18:16:17,744 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/non_taipan/loop-nested-assume-unsafe.bpl' [2019-08-05 18:16:17,776 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 18:16:17,778 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 18:16:17,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 18:16:17,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 18:16:17,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 18:16:17,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:17" (1/1) ... [2019-08-05 18:16:17,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:17" (1/1) ... [2019-08-05 18:16:17,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:17" (1/1) ... [2019-08-05 18:16:17,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:17" (1/1) ... [2019-08-05 18:16:17,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:17" (1/1) ... [2019-08-05 18:16:17,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:17" (1/1) ... [2019-08-05 18:16:17,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:17" (1/1) ... [2019-08-05 18:16:17,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 18:16:17,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 18:16:17,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 18:16:17,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 18:16:17,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 06:16:17" (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 18:16:17,910 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 18:16:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 18:16:17,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 18:16:17,911 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-05 18:16:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 18:16:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 18:16:18,181 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 18:16:18,182 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 18:16:18,183 INFO L202 PluginConnector]: Adding new model loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:16:18 BoogieIcfgContainer [2019-08-05 18:16:18,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 18:16:18,184 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 18:16:18,184 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 18:16:18,184 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 18:16:18,185 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "loop-nested-assume-unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 06:16:18" (1/1) ... [2019-08-05 18:16:18,197 INFO L148 IcfgInterpreter]: Started Sifa with 2 locations of interest [2019-08-05 18:16:18,200 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 18:16:18,207 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 18:16:18,215 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 18:16:18,217 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 18:16:18,356 INFO L185 IcfgInterpreter]: Interpreting procedure foo with input of size 23 [2019-08-05 18:16:18,358 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 18:16:18,358 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 18:16:18,361 INFO L179 IcfgInterpreter]: Location fooErr0ASSERT_VIOLATIONASSERT has predicate 41#(and (exists ((v_ULTIMATE.start_i_BEFORE_CALL_1 Int)) (and (or (and foo_j (<= v_ULTIMATE.start_i_BEFORE_CALL_1 1000000)) (and (not (<= v_ULTIMATE.start_i_BEFORE_CALL_1 1000000)) (not foo_j))) (exists ((v_foo_j_AFTER_CALL_3 Bool)) (and (or (and (not v_foo_j_AFTER_CALL_3) (not (<= v_ULTIMATE.start_i_BEFORE_CALL_1 1000001))) (and (<= v_ULTIMATE.start_i_BEFORE_CALL_1 1000001) v_foo_j_AFTER_CALL_3)) v_foo_j_AFTER_CALL_3)) (not (= v_ULTIMATE.start_i_BEFORE_CALL_1 1000000)))) (not foo_j)) [2019-08-05 18:16:18,362 INFO L179 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 37#(and (= 1000000 ULTIMATE.start_i) (or (= 0 ULTIMATE.start_i) (and (not (= 1000001 ULTIMATE.start_i)) (exists ((v_foo_j_AFTER_CALL_4 Bool)) (and (or (and (not (<= ULTIMATE.start_i 1000001)) (not v_foo_j_AFTER_CALL_4)) (and (<= ULTIMATE.start_i 1000001) v_foo_j_AFTER_CALL_4)) v_foo_j_AFTER_CALL_4)) (exists ((v_foo_j_AFTER_CALL_3 Bool)) (and (or (and (not v_foo_j_AFTER_CALL_3) (not (<= ULTIMATE.start_i 1000002))) (and (<= ULTIMATE.start_i 1000002) v_foo_j_AFTER_CALL_3)) v_foo_j_AFTER_CALL_3))))) [2019-08-05 18:16:18,363 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-05 18:16:18,371 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 18:16:18,374 INFO L168 Benchmark]: Toolchain (without parser) took 595.36 ms. Allocated memory is still 139.5 MB. Free memory was 106.7 MB in the beginning and 88.1 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:18,376 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 18:16:18,377 INFO L168 Benchmark]: Boogie Preprocessor took 49.31 ms. Allocated memory is still 139.5 MB. Free memory was 106.7 MB in the beginning and 104.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:18,378 INFO L168 Benchmark]: RCFGBuilder took 354.98 ms. Allocated memory is still 139.5 MB. Free memory was 104.5 MB in the beginning and 94.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:18,379 INFO L168 Benchmark]: Symbolic Interpretation took 187.47 ms. Allocated memory is still 139.5 MB. Free memory was 94.4 MB in the beginning and 88.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. [2019-08-05 18:16:18,383 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 20]: 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: 15]: 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 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.31 ms. Allocated memory is still 139.5 MB. Free memory was 106.7 MB in the beginning and 104.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 354.98 ms. Allocated memory is still 139.5 MB. Free memory was 104.5 MB in the beginning and 94.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 187.47 ms. Allocated memory is still 139.5 MB. Free memory was 94.4 MB in the beginning and 88.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...