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 -i ../../../trunk/examples/svcomp/loops/sum01_bug02_sum01_bug02_base.case.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-01cf0bf [2019-08-22 00:06:40,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 00:06:40,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 00:06:40,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 00:06:40,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 00:06:40,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 00:06:40,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 00:06:40,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 00:06:40,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 00:06:40,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 00:06:40,586 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 00:06:40,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 00:06:40,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 00:06:40,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 00:06:40,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 00:06:40,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 00:06:40,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 00:06:40,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 00:06:40,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 00:06:40,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 00:06:40,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 00:06:40,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 00:06:40,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 00:06:40,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 00:06:40,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 00:06:40,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 00:06:40,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 00:06:40,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 00:06:40,633 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 [2019-08-22 00:06:40,652 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 00:06:40,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 00:06:40,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 00:06:40,654 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 00:06:40,654 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 00:06:40,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 00:06:40,655 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 00:06:40,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 00:06:40,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 00:06:40,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 00:06:40,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 00:06:40,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 00:06:40,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 00:06:40,656 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 00:06:40,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 00:06:40,657 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 00:06:40,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 00:06:40,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 00:06:40,657 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 00:06:40,657 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 00:06:40,658 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 00:06:40,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 00:06:40,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 00:06:40,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 00:06:40,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 00:06:40,659 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 00:06:40,659 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 00:06:40,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 00:06:40,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 00:06:40,704 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 00:06:40,717 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 00:06:40,721 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 00:06:40,723 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 00:06:40,723 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 00:06:40,724 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum01_bug02_sum01_bug02_base.case.i [2019-08-22 00:06:40,798 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8fa3b317/4ce596a333a7441ca73ae60443b9a694/FLAG2bbaca512 [2019-08-22 00:06:41,243 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 00:06:41,243 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum01_bug02_sum01_bug02_base.case.i [2019-08-22 00:06:41,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8fa3b317/4ce596a333a7441ca73ae60443b9a694/FLAG2bbaca512 [2019-08-22 00:06:41,689 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8fa3b317/4ce596a333a7441ca73ae60443b9a694 [2019-08-22 00:06:41,698 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 00:06:41,699 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 00:06:41,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 00:06:41,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 00:06:41,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 00:06:41,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 12:06:41" (1/1) ... [2019-08-22 00:06:41,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10d98d49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:06:41, skipping insertion in model container [2019-08-22 00:06:41,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 12:06:41" (1/1) ... [2019-08-22 00:06:41,715 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 00:06:41,731 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 00:06:41,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 00:06:41,922 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 00:06:41,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 00:06:41,948 INFO L192 MainTranslator]: Completed translation [2019-08-22 00:06:41,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:06:41 WrapperNode [2019-08-22 00:06:41,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 00:06:41,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 00:06:41,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 00:06:41,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 00:06:42,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:06:41" (1/1) ... [2019-08-22 00:06:42,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:06:41" (1/1) ... [2019-08-22 00:06:42,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:06:41" (1/1) ... [2019-08-22 00:06:42,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:06:41" (1/1) ... [2019-08-22 00:06:42,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:06:41" (1/1) ... [2019-08-22 00:06:42,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:06:41" (1/1) ... [2019-08-22 00:06:42,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:06:41" (1/1) ... [2019-08-22 00:06:42,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 00:06:42,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 00:06:42,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 00:06:42,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 00:06:42,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:06:41" (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 [2019-08-22 00:06:42,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 00:06:42,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 00:06:42,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-22 00:06:42,109 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 00:06:42,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 00:06:42,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 00:06:42,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-22 00:06:42,109 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 00:06:42,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 00:06:42,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 00:06:42,278 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 00:06:42,279 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-22 00:06:42,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:06:42 BoogieIcfgContainer [2019-08-22 00:06:42,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 00:06:42,281 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 00:06:42,281 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 00:06:42,281 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 00:06:42,282 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:06:42" (1/1) ... [2019-08-22 00:06:42,294 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 00:06:42,297 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 00:06:42,303 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 00:06:42,311 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 00:06:42,313 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 00:06:42,406 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-22 00:06:42,492 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 [2019-08-22 00:06:42,499 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 00:06:42,499 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 00:06:42,502 INFO L179 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 28#(or (and (<= __VERIFIER_assert_~cond 0) (<= |__VERIFIER_assert_#in~cond| 0) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|)) (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond))) [2019-08-22 00:06:42,511 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 00:06:42,511 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 00:06:42,514 INFO L168 Benchmark]: Toolchain (without parser) took 813.97 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 89.1 MB in the beginning and 157.1 MB in the end (delta: -68.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-22 00:06:42,515 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-22 00:06:42,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.87 ms. Allocated memory is still 133.7 MB. Free memory was 88.7 MB in the beginning and 79.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-22 00:06:42,518 INFO L168 Benchmark]: Boogie Preprocessor took 112.17 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 79.6 MB in the beginning and 176.4 MB in the end (delta: -96.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-08-22 00:06:42,519 INFO L168 Benchmark]: RCFGBuilder took 217.91 ms. Allocated memory is still 199.8 MB. Free memory was 176.4 MB in the beginning and 164.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-08-22 00:06:42,520 INFO L168 Benchmark]: Symbolic Interpretation took 230.80 ms. Allocated memory is still 199.8 MB. Free memory was 164.7 MB in the beginning and 157.1 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. [2019-08-22 00:06:42,526 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 5]: 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 28#(or (and (<= __VERIFIER_assert_~cond 0) (<= |__VERIFIER_assert_#in~cond| 0) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|)) (and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 249.87 ms. Allocated memory is still 133.7 MB. Free memory was 88.7 MB in the beginning and 79.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.17 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 79.6 MB in the beginning and 176.4 MB in the end (delta: -96.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 217.91 ms. Allocated memory is still 199.8 MB. Free memory was 176.4 MB in the beginning and 164.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 230.80 ms. Allocated memory is still 199.8 MB. Free memory was 164.7 MB in the beginning and 157.1 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...