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/array-crafted/zero_sum2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:24:59,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:24:59,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:24:59,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:24:59,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:24:59,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:24:59,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:24:59,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:24:59,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:24:59,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:24:59,372 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:24:59,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:24:59,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:24:59,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:24:59,375 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:24:59,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:24:59,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:24:59,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:24:59,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:24:59,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:24:59,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:24:59,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:24:59,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:24:59,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:24:59,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:24:59,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:24:59,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:24:59,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:24:59,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:24:59,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:24:59,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:24:59,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:24:59,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:24:59,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:24:59,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:24:59,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:24:59,411 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 [2019-08-09 16:24:59,429 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:24:59,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:24:59,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:24:59,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:24:59,432 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:24:59,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:24:59,432 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:24:59,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:24:59,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:24:59,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:24:59,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:24:59,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:24:59,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:24:59,435 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:24:59,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:24:59,436 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:24:59,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:24:59,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:24:59,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:24:59,436 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:24:59,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:24:59,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:24:59,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:24:59,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:24:59,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:24:59,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:24:59,438 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:24:59,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:24:59,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:24:59,470 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:24:59,485 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:24:59,488 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:24:59,489 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:24:59,490 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:24:59,491 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-crafted/zero_sum2.c [2019-08-09 16:24:59,569 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4f51093f/f4065c95c37e48edaacf0f0fbd8ff0f1/FLAG93ab3311f [2019-08-09 16:25:00,020 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:25:00,021 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-crafted/zero_sum2.c [2019-08-09 16:25:00,029 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4f51093f/f4065c95c37e48edaacf0f0fbd8ff0f1/FLAG93ab3311f [2019-08-09 16:25:00,414 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4f51093f/f4065c95c37e48edaacf0f0fbd8ff0f1 [2019-08-09 16:25:00,425 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:25:00,427 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:25:00,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:25:00,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:25:00,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:25:00,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:25:00" (1/1) ... [2019-08-09 16:25:00,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e1cb7d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:00, skipping insertion in model container [2019-08-09 16:25:00,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:25:00" (1/1) ... [2019-08-09 16:25:00,444 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:25:00,463 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:25:00,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:25:00,676 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:25:00,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:25:00,721 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:25:00,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:00 WrapperNode [2019-08-09 16:25:00,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:25:00,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:25:00,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:25:00,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:25:00,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:00" (1/1) ... [2019-08-09 16:25:00,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:00" (1/1) ... [2019-08-09 16:25:00,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:00" (1/1) ... [2019-08-09 16:25:00,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:00" (1/1) ... [2019-08-09 16:25:00,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:00" (1/1) ... [2019-08-09 16:25:00,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:00" (1/1) ... [2019-08-09 16:25:00,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:00" (1/1) ... [2019-08-09 16:25:00,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:25:00,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:25:00,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:25:00,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:25:00,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:00" (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 [2019-08-09 16:25:00,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:25:00,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:25:00,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-09 16:25:00,920 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:25:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:25:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-09 16:25:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-09 16:25:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2019-08-09 16:25:00,921 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:25:00,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-09 16:25:00,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-09 16:25:00,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-09 16:25:00,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-09 16:25:00,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:25:00,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:25:01,195 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:25:01,195 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-08-09 16:25:01,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:25:01 BoogieIcfgContainer [2019-08-09 16:25:01,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:25:01,200 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:25:01,200 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:25:01,201 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:25:01,202 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:25:01" (1/1) ... [2019-08-09 16:25:01,688 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:25:01,697 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:25:01,701 INFO L168 Benchmark]: Toolchain (without parser) took 1272.56 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 88.1 MB in the beginning and 132.2 MB in the end (delta: -44.2 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:25:01,702 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-09 16:25:01,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.48 ms. Allocated memory is still 132.1 MB. Free memory was 87.9 MB in the beginning and 77.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-09 16:25:01,707 INFO L168 Benchmark]: Boogie Preprocessor took 132.53 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 77.6 MB in the beginning and 174.5 MB in the end (delta: -96.9 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-08-09 16:25:01,710 INFO L168 Benchmark]: RCFGBuilder took 340.64 ms. Allocated memory is still 198.7 MB. Free memory was 174.5 MB in the beginning and 158.3 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:25:01,712 INFO L168 Benchmark]: Symbolic Interpretation took 496.94 ms. Allocated memory is still 198.7 MB. Free memory was 158.3 MB in the beginning and 132.2 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:25:01,723 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 282#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 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 0.47 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 295.48 ms. Allocated memory is still 132.1 MB. Free memory was 87.9 MB in the beginning and 77.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.53 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 77.6 MB in the beginning and 174.5 MB in the end (delta: -96.9 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 340.64 ms. Allocated memory is still 198.7 MB. Free memory was 174.5 MB in the beginning and 158.3 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 496.94 ms. Allocated memory is still 198.7 MB. Free memory was 158.3 MB in the beginning and 132.2 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...