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 0.1.24-55cd5f5 [2019-08-14 20:40:57,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:40:57,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:40:57,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:40:57,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:40:57,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:40:57,502 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:40:57,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:40:57,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:40:57,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:40:57,511 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:40:57,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:40:57,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:40:57,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:40:57,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:40:57,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:40:57,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:40:57,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:40:57,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:40:57,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:40:57,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:40:57,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:40:57,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:40:57,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:40:57,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 20:40:57,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 20:40:57,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 20:40:57,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 20:40:57,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 20:40:57,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 20:40:57,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 20:40:57,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 20:40:57,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 20:40:57,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:40:57,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:40:57,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:40:57,539 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 [2019-08-14 20:40:57,563 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:40:57,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:40:57,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:40:57,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:40:57,565 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:40:57,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:40:57,566 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:40:57,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:40:57,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:40:57,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:40:57,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:40:57,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:40:57,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:40:57,569 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:40:57,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:40:57,570 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:40:57,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:40:57,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:40:57,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:40:57,571 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:40:57,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:40:57,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:40:57,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:40:57,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:40:57,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:40:57,574 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:40:57,574 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:40:57,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:40:57,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:40:57,607 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:40:57,620 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:40:57,625 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:40:57,627 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:40:57,627 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:40:57,628 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum01_bug02_sum01_bug02_base.case.i [2019-08-14 20:40:57,690 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86384233f/b211c1f84ddb4db6921fddb6e088b592/FLAG51e8db2dc [2019-08-14 20:40:58,092 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:40:58,094 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum01_bug02_sum01_bug02_base.case.i [2019-08-14 20:40:58,100 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86384233f/b211c1f84ddb4db6921fddb6e088b592/FLAG51e8db2dc [2019-08-14 20:40:58,496 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86384233f/b211c1f84ddb4db6921fddb6e088b592 [2019-08-14 20:40:58,505 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:40:58,506 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:40:58,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:40:58,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:40:58,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:40:58,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:40:58" (1/1) ... [2019-08-14 20:40:58,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fc8ad3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:40:58, skipping insertion in model container [2019-08-14 20:40:58,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:40:58" (1/1) ... [2019-08-14 20:40:58,528 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:40:58,544 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:40:58,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:40:58,740 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:40:58,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:40:58,772 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:40:58,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:40:58 WrapperNode [2019-08-14 20:40:58,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:40:58,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:40:58,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:40:58,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:40:58,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:40:58" (1/1) ... [2019-08-14 20:40:58,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:40:58" (1/1) ... [2019-08-14 20:40:58,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:40:58" (1/1) ... [2019-08-14 20:40:58,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:40:58" (1/1) ... [2019-08-14 20:40:58,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:40:58" (1/1) ... [2019-08-14 20:40:58,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:40:58" (1/1) ... [2019-08-14 20:40:58,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:40:58" (1/1) ... [2019-08-14 20:40:58,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:40:58,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:40:58,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:40:58,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:40:58,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:40:58" (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 [2019-08-14 20:40:58,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:40:58,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:40:58,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-14 20:40:58,960 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:40:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:40:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-14 20:40:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-14 20:40:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:40:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:40:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:40:59,113 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:40:59,114 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 20:40:59,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:40:59 BoogieIcfgContainer [2019-08-14 20:40:59,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:40:59,116 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:40:59,116 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:40:59,116 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:40:59,117 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:40:59" (1/1) ... [2019-08-14 20:40:59,449 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 20:40:59,452 INFO L168 Benchmark]: Toolchain (without parser) took 943.95 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 86.1 MB in the beginning and 154.7 MB in the end (delta: -68.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 20:40:59,453 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 20:40:59,454 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.15 ms. Allocated memory is still 139.5 MB. Free memory was 85.9 MB in the beginning and 76.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-14 20:40:59,455 INFO L168 Benchmark]: Boogie Preprocessor took 125.64 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 76.3 MB in the beginning and 177.3 MB in the end (delta: -101.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-08-14 20:40:59,456 INFO L168 Benchmark]: RCFGBuilder took 215.39 ms. Allocated memory is still 199.8 MB. Free memory was 177.3 MB in the beginning and 166.9 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-08-14 20:40:59,457 INFO L168 Benchmark]: Symbolic Interpretation took 333.15 ms. Allocated memory is still 199.8 MB. Free memory was 166.9 MB in the beginning and 154.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-08-14 20:40:59,462 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 47#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 261.15 ms. Allocated memory is still 139.5 MB. Free memory was 85.9 MB in the beginning and 76.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.64 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 76.3 MB in the beginning and 177.3 MB in the end (delta: -101.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 215.39 ms. Allocated memory is still 199.8 MB. Free memory was 177.3 MB in the beginning and 166.9 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 333.15 ms. Allocated memory is still 199.8 MB. Free memory was 166.9 MB in the beginning and 154.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...