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 0.1.24-55cd5f5 [2019-08-14 20:14:52,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:14:52,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:14:52,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:14:52,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:14:52,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:14:52,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:14:52,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:14:52,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:14:52,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:14:52,955 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:14:52,956 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:14:52,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:14:52,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:14:52,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:14:52,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:14:52,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:14:52,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:14:52,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:14:52,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:14:52,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:14:52,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:14:52,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:14:52,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:14:52,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 20:14:52,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 20:14:52,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 20:14:52,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 20:14:52,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 20:14:52,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 20:14:52,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 20:14:52,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 20:14:52,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 20:14:52,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:14:52,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:14:52,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:14:52,984 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 20:14:53,000 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:14:53,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:14:53,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:14:53,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:14:53,002 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:14:53,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:14:53,002 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:14:53,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:14:53,002 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:14:53,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:14:53,003 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:14:53,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:14:53,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:14:53,003 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:14:53,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:14:53,004 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:14:53,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:14:53,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:14:53,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:14:53,005 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:14:53,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:14:53,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:14:53,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:14:53,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:14:53,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:14:53,006 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:14:53,006 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:14:53,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:14:53,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:14:53,036 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:14:53,049 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:14:53,052 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:14:53,054 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:14:53,054 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:14:53,055 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test24-2.c [2019-08-14 20:14:53,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80d1d4a1f/3142c7a9c8f34a4aa111e0901fdfe504/FLAG997ad6711 [2019-08-14 20:14:53,559 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:14:53,562 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test24-2.c [2019-08-14 20:14:53,568 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80d1d4a1f/3142c7a9c8f34a4aa111e0901fdfe504/FLAG997ad6711 [2019-08-14 20:14:53,935 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80d1d4a1f/3142c7a9c8f34a4aa111e0901fdfe504 [2019-08-14 20:14:53,944 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:14:53,945 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:14:53,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:14:53,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:14:53,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:14:53,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:14:53" (1/1) ... [2019-08-14 20:14:53,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6055acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:53, skipping insertion in model container [2019-08-14 20:14:53,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:14:53" (1/1) ... [2019-08-14 20:14:53,962 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:14:53,984 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:14:54,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:14:54,200 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:14:54,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:14:54,234 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:14:54,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:54 WrapperNode [2019-08-14 20:14:54,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:14:54,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:14:54,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:14:54,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:14:54,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:54" (1/1) ... [2019-08-14 20:14:54,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:54" (1/1) ... [2019-08-14 20:14:54,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:54" (1/1) ... [2019-08-14 20:14:54,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:54" (1/1) ... [2019-08-14 20:14:54,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:54" (1/1) ... [2019-08-14 20:14:54,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:54" (1/1) ... [2019-08-14 20:14:54,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:54" (1/1) ... [2019-08-14 20:14:54,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:14:54,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:14:54,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:14:54,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:14:54,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:54" (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 20:14:54,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:14:54,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:14:54,428 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-14 20:14:54,428 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:14:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:14:54,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 20:14:54,429 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-14 20:14:54,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 20:14:54,430 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:14:54,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-14 20:14:54,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 20:14:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 20:14:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:14:54,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:14:54,720 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:14:54,721 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-14 20:14:54,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:14:54 BoogieIcfgContainer [2019-08-14 20:14:54,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:14:54,723 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:14:54,723 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:14:54,723 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:14:54,724 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:14:54" (1/1) ... [2019-08-14 20:14:55,233 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 33 [2019-08-14 20:14:55,403 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 20:14:55,406 INFO L168 Benchmark]: Toolchain (without parser) took 1459.23 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 84.7 MB in the beginning and 109.7 MB in the end (delta: -25.0 MB). Peak memory consumption was 43.2 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:55,407 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 130.5 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 20:14:55,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.57 ms. Allocated memory is still 130.5 MB. Free memory was 84.5 MB in the beginning and 74.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:55,411 INFO L168 Benchmark]: Boogie Preprocessor took 131.50 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 74.3 MB in the beginning and 174.1 MB in the end (delta: -99.8 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:55,412 INFO L168 Benchmark]: RCFGBuilder took 355.33 ms. Allocated memory is still 198.7 MB. Free memory was 174.1 MB in the beginning and 159.8 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:55,413 INFO L168 Benchmark]: Symbolic Interpretation took 680.15 ms. Allocated memory is still 198.7 MB. Free memory was 159.1 MB in the beginning and 109.7 MB in the end (delta: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:55,422 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: Over-approximation of reachable states at this location 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 0.24 ms. Allocated memory is still 130.5 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 288.57 ms. Allocated memory is still 130.5 MB. Free memory was 84.5 MB in the beginning and 74.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.50 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 74.3 MB in the beginning and 174.1 MB in the end (delta: -99.8 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 355.33 ms. Allocated memory is still 198.7 MB. Free memory was 174.1 MB in the beginning and 159.8 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 680.15 ms. Allocated memory is still 198.7 MB. Free memory was 159.1 MB in the beginning and 109.7 MB in the end (delta: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...