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/ldv-regression/test24-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 02:01:37,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 02:01:37,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 02:01:37,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 02:01:37,021 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 02:01:37,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 02:01:37,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 02:01:37,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 02:01:37,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 02:01:37,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 02:01:37,029 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 02:01:37,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 02:01:37,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 02:01:37,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 02:01:37,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 02:01:37,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 02:01:37,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 02:01:37,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 02:01:37,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 02:01:37,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 02:01:37,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 02:01:37,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 02:01:37,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 02:01:37,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 02:01:37,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 02:01:37,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 02:01:37,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 02:01:37,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 02:01:37,055 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 [2019-08-10 02:01:37,070 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 02:01:37,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 02:01:37,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 02:01:37,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 02:01:37,072 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 02:01:37,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 02:01:37,072 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 02:01:37,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 02:01:37,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 02:01:37,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 02:01:37,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 02:01:37,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 02:01:37,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 02:01:37,074 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 02:01:37,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 02:01:37,074 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 02:01:37,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 02:01:37,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 02:01:37,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 02:01:37,075 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 02:01:37,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 02:01:37,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 02:01:37,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 02:01:37,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 02:01:37,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 02:01:37,076 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 02:01:37,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 02:01:37,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 02:01:37,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 02:01:37,116 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 02:01:37,131 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 02:01:37,134 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 02:01:37,135 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 02:01:37,136 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 02:01:37,137 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test24-2.c [2019-08-10 02:01:37,197 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c50ce4390/0247f757ec7743dc9164b222abfbf939/FLAG3c007fd26 [2019-08-10 02:01:37,654 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 02:01:37,657 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test24-2.c [2019-08-10 02:01:37,663 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c50ce4390/0247f757ec7743dc9164b222abfbf939/FLAG3c007fd26 [2019-08-10 02:01:38,028 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c50ce4390/0247f757ec7743dc9164b222abfbf939 [2019-08-10 02:01:38,037 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 02:01:38,038 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 02:01:38,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 02:01:38,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 02:01:38,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 02:01:38,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:01:38" (1/1) ... [2019-08-10 02:01:38,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ffe21ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:38, skipping insertion in model container [2019-08-10 02:01:38,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:01:38" (1/1) ... [2019-08-10 02:01:38,057 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 02:01:38,073 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 02:01:38,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:01:38,275 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 02:01:38,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:01:38,308 INFO L192 MainTranslator]: Completed translation [2019-08-10 02:01:38,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:38 WrapperNode [2019-08-10 02:01:38,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 02:01:38,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 02:01:38,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 02:01:38,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 02:01:38,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:38" (1/1) ... [2019-08-10 02:01:38,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:38" (1/1) ... [2019-08-10 02:01:38,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:38" (1/1) ... [2019-08-10 02:01:38,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:38" (1/1) ... [2019-08-10 02:01:38,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:38" (1/1) ... [2019-08-10 02:01:38,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:38" (1/1) ... [2019-08-10 02:01:38,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:38" (1/1) ... [2019-08-10 02:01:38,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 02:01:38,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 02:01:38,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 02:01:38,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 02:01:38,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:38" (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 [2019-08-10 02:01:38,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 02:01:38,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 02:01:38,518 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-10 02:01:38,519 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 02:01:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 02:01:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-10 02:01:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 02:01:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-10 02:01:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 02:01:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-10 02:01:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-10 02:01:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-10 02:01:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 02:01:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 02:01:38,787 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 02:01:38,787 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-10 02:01:38,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:01:38 BoogieIcfgContainer [2019-08-10 02:01:38,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 02:01:38,789 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 02:01:38,789 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 02:01:38,790 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 02:01:38,791 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:01:38" (1/1) ... [2019-08-10 02:01:39,320 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 33 [2019-08-10 02:01:39,511 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 02:01:39,519 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 02:01:39,522 INFO L168 Benchmark]: Toolchain (without parser) took 1482.41 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 89.0 MB in the beginning and 113.7 MB in the end (delta: -24.8 MB). Peak memory consumption was 41.8 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:39,524 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-10 02:01:39,527 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.72 ms. Allocated memory is still 133.2 MB. Free memory was 88.8 MB in the beginning and 78.5 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:39,529 INFO L168 Benchmark]: Boogie Preprocessor took 145.70 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 78.5 MB in the beginning and 175.5 MB in the end (delta: -97.0 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:39,530 INFO L168 Benchmark]: RCFGBuilder took 333.35 ms. Allocated memory is still 199.8 MB. Free memory was 175.5 MB in the beginning and 161.1 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:39,531 INFO L168 Benchmark]: Symbolic Interpretation took 730.11 ms. Allocated memory is still 199.8 MB. Free memory was 161.1 MB in the beginning and 113.7 MB in the end (delta: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:39,535 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 37]: 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 72#(exists ((v_main_~i~0_11 Int)) (and (<= (select (select |#memory_int| main_~pa~0.base) main_~pa~0.offset) main_~i~0) (= main_~i~0 (+ (select (select |#memory_int| main_~ad2~0.base) (+ (* 8 v_main_~i~0_11) main_~ad2~0.offset)) 10)) (not (< main_~j~0 20)) (= |main_~#ad1~0.offset| main_~ad2~0.offset) (not (= main_~i~0 (select (select |#memory_int| |main_~#ad1~0.base|) (+ (* 8 main_~i~0) |main_~#ad1~0.offset|)))) (= v_main_~i~0_11 (select (select |#memory_int| |main_~#ad1~0.base|) (+ (* 8 v_main_~i~0_11) |main_~#ad1~0.offset|))) (= main_~pa~0.base |main_~#ad1~0.base|) (= (+ (* 8 v_main_~i~0_11) |main_~#ad1~0.offset|) main_~pa~0.offset) (= |main_~#ad1~0.base| main_~ad2~0.base) (< v_main_~i~0_11 10) (<= 0 v_main_~i~0_11))). 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 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 269.72 ms. Allocated memory is still 133.2 MB. Free memory was 88.8 MB in the beginning and 78.5 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 145.70 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 78.5 MB in the beginning and 175.5 MB in the end (delta: -97.0 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 333.35 ms. Allocated memory is still 199.8 MB. Free memory was 175.5 MB in the beginning and 161.1 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 730.11 ms. Allocated memory is still 199.8 MB. Free memory was 161.1 MB in the beginning and 113.7 MB in the end (delta: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...