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/loop-acceleration/array_1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:41:35,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:41:35,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:41:35,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:41:35,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:41:35,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:41:35,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:41:35,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:41:35,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:41:35,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:41:35,064 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:41:35,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:41:35,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:41:35,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:41:35,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:41:35,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:41:35,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:41:35,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:41:35,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:41:35,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:41:35,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:41:35,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:41:35,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:41:35,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:41:35,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 20:41:35,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 20:41:35,101 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 20:41:35,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 20:41:35,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 20:41:35,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 20:41:35,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 20:41:35,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 20:41:35,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 20:41:35,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:41:35,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:41:35,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:41:35,108 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 20:41:35,143 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:41:35,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:41:35,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:41:35,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:41:35,145 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:41:35,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:41:35,149 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:41:35,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:41:35,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:41:35,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:41:35,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:41:35,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:41:35,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:41:35,150 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:41:35,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:41:35,151 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:41:35,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:41:35,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:41:35,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:41:35,152 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:41:35,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:41:35,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:41:35,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:41:35,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:41:35,154 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:41:35,154 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:41:35,154 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:41:35,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:41:35,155 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:41:35,201 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:41:35,217 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:41:35,221 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:41:35,222 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:41:35,222 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:41:35,223 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/array_1-2.c [2019-08-14 20:41:35,282 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/189b8d5e5/3994a37742774124b18e38b5a4059a76/FLAGce8ad663a [2019-08-14 20:41:35,697 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:41:35,698 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/array_1-2.c [2019-08-14 20:41:35,703 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/189b8d5e5/3994a37742774124b18e38b5a4059a76/FLAGce8ad663a [2019-08-14 20:41:36,120 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/189b8d5e5/3994a37742774124b18e38b5a4059a76 [2019-08-14 20:41:36,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:41:36,133 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:41:36,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:41:36,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:41:36,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:41:36,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:41:36" (1/1) ... [2019-08-14 20:41:36,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27e94c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:36, skipping insertion in model container [2019-08-14 20:41:36,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:41:36" (1/1) ... [2019-08-14 20:41:36,148 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:41:36,168 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:41:36,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:41:36,367 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:41:36,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:41:36,408 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:41:36,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:36 WrapperNode [2019-08-14 20:41:36,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:41:36,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:41:36,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:41:36,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:41:36,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:36" (1/1) ... [2019-08-14 20:41:36,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:36" (1/1) ... [2019-08-14 20:41:36,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:36" (1/1) ... [2019-08-14 20:41:36,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:36" (1/1) ... [2019-08-14 20:41:36,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:36" (1/1) ... [2019-08-14 20:41:36,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:36" (1/1) ... [2019-08-14 20:41:36,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:36" (1/1) ... [2019-08-14 20:41:36,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:41:36,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:41:36,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:41:36,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:41:36,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:41:36" (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 20:41:36,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:41:36,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:41:36,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-14 20:41:36,570 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:41:36,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:41:36,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-14 20:41:36,570 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:41:36,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-14 20:41:36,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 20:41:36,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 20:41:36,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 20:41:36,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:41:36,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:41:36,747 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:41:36,748 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 20:41:36,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:41:36 BoogieIcfgContainer [2019-08-14 20:41:36,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:41:36,749 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:41:36,750 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:41:36,750 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:41:36,751 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:41:36" (1/1) ... [2019-08-14 20:41:37,060 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 20:41:37,062 INFO L168 Benchmark]: Toolchain (without parser) took 929.17 ms. Allocated memory was 130.5 MB in the beginning and 197.1 MB in the end (delta: 66.6 MB). Free memory was 85.2 MB in the beginning and 148.5 MB in the end (delta: -63.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-08-14 20:41:37,063 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 130.5 MB. Free memory was 103.5 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 20:41:37,064 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.37 ms. Allocated memory is still 130.5 MB. Free memory was 85.0 MB in the beginning and 75.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-14 20:41:37,067 INFO L168 Benchmark]: Boogie Preprocessor took 113.16 ms. Allocated memory was 130.5 MB in the beginning and 197.1 MB in the end (delta: 66.6 MB). Free memory was 75.4 MB in the beginning and 173.4 MB in the end (delta: -98.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-08-14 20:41:37,067 INFO L168 Benchmark]: RCFGBuilder took 226.20 ms. Allocated memory is still 197.1 MB. Free memory was 172.7 MB in the beginning and 160.5 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-08-14 20:41:37,068 INFO L168 Benchmark]: Symbolic Interpretation took 310.65 ms. Allocated memory is still 197.1 MB. Free memory was 160.5 MB in the beginning and 148.5 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-08-14 20:41:37,073 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 (exists ((|v_main_~#A~0.base_BEFORE_CALL_1| Int) (v_prenex_2 Int) (v_prenex_1 Int) (|v_main_~#A~0.offset_BEFORE_CALL_1| Int)) (or (and (= (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_1|) (+ |v_main_~#A~0.offset_BEFORE_CALL_1| 4092)) 1023) (= |__VERIFIER_assert_#in~cond| 1)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= (select (select |#memory_int| v_prenex_1) (+ v_prenex_2 4092)) 1023))))) (= 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 0.41 ms. Allocated memory is still 130.5 MB. Free memory was 103.5 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 275.37 ms. Allocated memory is still 130.5 MB. Free memory was 85.0 MB in the beginning and 75.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.16 ms. Allocated memory was 130.5 MB in the beginning and 197.1 MB in the end (delta: 66.6 MB). Free memory was 75.4 MB in the beginning and 173.4 MB in the end (delta: -98.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 226.20 ms. Allocated memory is still 197.1 MB. Free memory was 172.7 MB in the beginning and 160.5 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 310.65 ms. Allocated memory is still 197.1 MB. Free memory was 160.5 MB in the beginning and 148.5 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...