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_sum4.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:25:00,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:25:00,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:25:00,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:25:00,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:25:00,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:25:00,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:25:00,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:25:00,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:25:00,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:25:00,678 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:25:00,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:25:00,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:25:00,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:25:00,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:25:00,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:25:00,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:25:00,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:25:00,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:25:00,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:25:00,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:25:00,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:25:00,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:25:00,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:25:00,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:25:00,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:25:00,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:25:00,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:25:00,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:25:00,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:25:00,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:25:00,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:25:00,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:25:00,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:25:00,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:25:00,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:25:00,705 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 16:25:00,720 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:25:00,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:25:00,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:25:00,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:25:00,722 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:25:00,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:25:00,723 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:25:00,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:25:00,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:25:00,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:25:00,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:25:00,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:25:00,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:25:00,724 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:25:00,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:25:00,724 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:25:00,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:25:00,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:25:00,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:25:00,725 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:25:00,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:25:00,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:25:00,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:25:00,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:25:00,726 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:25:00,726 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:25:00,727 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:25:00,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:25:00,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:25:00,766 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:25:00,785 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:25:00,789 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:25:00,790 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:25:00,791 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:25:00,791 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-crafted/zero_sum4.c [2019-08-09 16:25:00,869 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f2a2eb42/060d82ae34b44146bf4680a4b5326a19/FLAG7ea14c062 [2019-08-09 16:25:01,283 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:25:01,284 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-crafted/zero_sum4.c [2019-08-09 16:25:01,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f2a2eb42/060d82ae34b44146bf4680a4b5326a19/FLAG7ea14c062 [2019-08-09 16:25:01,710 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f2a2eb42/060d82ae34b44146bf4680a4b5326a19 [2019-08-09 16:25:01,719 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:25:01,721 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:25:01,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:25:01,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:25:01,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:25:01,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:25:01" (1/1) ... [2019-08-09 16:25:01,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc56dcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:01, skipping insertion in model container [2019-08-09 16:25:01,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:25:01" (1/1) ... [2019-08-09 16:25:01,739 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:25:01,762 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:25:01,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:25:01,927 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:25:01,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:25:01,978 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:25:01,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:01 WrapperNode [2019-08-09 16:25:01,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:25:01,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:25:01,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:25:01,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:25:02,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:01" (1/1) ... [2019-08-09 16:25:02,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:01" (1/1) ... [2019-08-09 16:25:02,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:01" (1/1) ... [2019-08-09 16:25:02,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:01" (1/1) ... [2019-08-09 16:25:02,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:01" (1/1) ... [2019-08-09 16:25:02,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:01" (1/1) ... [2019-08-09 16:25:02,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:01" (1/1) ... [2019-08-09 16:25:02,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:25:02,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:25:02,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:25:02,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:25:02,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:25:01" (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 16:25:02,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:25:02,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:25:02,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-09 16:25:02,216 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:25:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:25:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-09 16:25:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-09 16:25:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2019-08-09 16:25:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:25:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-09 16:25:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-09 16:25:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-09 16:25:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-09 16:25:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:25:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:25:02,686 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:25:02,686 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-08-09 16:25:02,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:25:02 BoogieIcfgContainer [2019-08-09 16:25:02,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:25:02,688 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:25:02,692 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:25:02,693 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:25:02,696 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:25:02" (1/1) ... [2019-08-09 16:25:03,586 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:25:03,594 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:25:03,597 INFO L168 Benchmark]: Toolchain (without parser) took 1875.33 ms. Allocated memory was 131.6 MB in the beginning and 197.7 MB in the end (delta: 66.1 MB). Free memory was 85.8 MB in the beginning and 101.1 MB in the end (delta: -15.3 MB). Peak memory consumption was 50.7 MB. Max. memory is 7.1 GB. [2019-08-09 16:25:03,598 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:25:03,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.84 ms. Allocated memory is still 131.6 MB. Free memory was 85.4 MB in the beginning and 74.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-08-09 16:25:03,601 INFO L168 Benchmark]: Boogie Preprocessor took 142.68 ms. Allocated memory was 131.6 MB in the beginning and 197.7 MB in the end (delta: 66.1 MB). Free memory was 74.9 MB in the beginning and 173.2 MB in the end (delta: -98.3 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:25:03,602 INFO L168 Benchmark]: RCFGBuilder took 565.21 ms. Allocated memory is still 197.7 MB. Free memory was 173.2 MB in the beginning and 154.1 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2019-08-09 16:25:03,603 INFO L168 Benchmark]: Symbolic Interpretation took 906.49 ms. Allocated memory is still 197.7 MB. Free memory was 154.1 MB in the beginning and 101.1 MB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2019-08-09 16:25:03,607 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 998#(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 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 256.84 ms. Allocated memory is still 131.6 MB. Free memory was 85.4 MB in the beginning and 74.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.68 ms. Allocated memory was 131.6 MB in the beginning and 197.7 MB in the end (delta: 66.1 MB). Free memory was 74.9 MB in the beginning and 173.2 MB in the end (delta: -98.3 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 565.21 ms. Allocated memory is still 197.7 MB. Free memory was 173.2 MB in the beginning and 154.1 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 906.49 ms. Allocated memory is still 197.7 MB. Free memory was 154.1 MB in the beginning and 101.1 MB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...