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-examples/sanfoundry_02_ground.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:23:15,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:23:15,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:23:15,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:23:15,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:23:15,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:23:15,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:23:15,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:23:15,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:23:15,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:23:15,730 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:23:15,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:23:15,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:23:15,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:23:15,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:23:15,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:23:15,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:23:15,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:23:15,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:23:15,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:23:15,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:23:15,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:23:15,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:23:15,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:23:15,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:23:15,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:23:15,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:23:15,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:23:15,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:23:15,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:23:15,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:23:15,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:23:15,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:23:15,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:23:15,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:23:15,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:23:15,764 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 16:23:15,796 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:23:15,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:23:15,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:23:15,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:23:15,798 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:23:15,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:23:15,798 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:23:15,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:23:15,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:23:15,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:23:15,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:23:15,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:23:15,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:23:15,800 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:23:15,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:23:15,800 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:23:15,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:23:15,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:23:15,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:23:15,801 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:23:15,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:23:15,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:23:15,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:23:15,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:23:15,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:23:15,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:23:15,803 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:23:15,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:23:15,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:23:15,833 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:23:15,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:23:15,850 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:23:15,852 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:23:15,852 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:23:15,853 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/sanfoundry_02_ground.i [2019-08-09 16:23:15,917 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1146cb38/dcc8629a192f495995baf2762e4b7328/FLAG371e052c4 [2019-08-09 16:23:16,386 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:23:16,389 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-examples/sanfoundry_02_ground.i [2019-08-09 16:23:16,395 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1146cb38/dcc8629a192f495995baf2762e4b7328/FLAG371e052c4 [2019-08-09 16:23:16,715 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1146cb38/dcc8629a192f495995baf2762e4b7328 [2019-08-09 16:23:16,727 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:23:16,728 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:23:16,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:23:16,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:23:16,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:23:16,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:23:16" (1/1) ... [2019-08-09 16:23:16,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47c9f9f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:23:16, skipping insertion in model container [2019-08-09 16:23:16,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:23:16" (1/1) ... [2019-08-09 16:23:16,745 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:23:16,763 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:23:16,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:23:16,946 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:23:16,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:23:16,991 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:23:16,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:23:16 WrapperNode [2019-08-09 16:23:16,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:23:16,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:23:16,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:23:16,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:23:17,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:23:16" (1/1) ... [2019-08-09 16:23:17,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:23:16" (1/1) ... [2019-08-09 16:23:17,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:23:16" (1/1) ... [2019-08-09 16:23:17,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:23:16" (1/1) ... [2019-08-09 16:23:17,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:23:16" (1/1) ... [2019-08-09 16:23:17,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:23:16" (1/1) ... [2019-08-09 16:23:17,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:23:16" (1/1) ... [2019-08-09 16:23:17,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:23:17,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:23:17,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:23:17,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:23:17,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:23:16" (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 16:23:17,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:23:17,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:23:17,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-09 16:23:17,189 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:23:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:23:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-09 16:23:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:23:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:23:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-09 16:23:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-09 16:23:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-09 16:23:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-09 16:23:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:23:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:23:17,526 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:23:17,527 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-09 16:23:17,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:23:17 BoogieIcfgContainer [2019-08-09 16:23:17,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:23:17,529 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:23:17,529 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:23:17,529 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:23:17,530 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:23:17" (1/1) ... [2019-08-09 16:23:18,154 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:23:18,164 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:23:18,168 INFO L168 Benchmark]: Toolchain (without parser) took 1437.36 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 85.5 MB in the beginning and 125.5 MB in the end (delta: -40.0 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:23:18,170 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:23:18,172 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.28 ms. Allocated memory is still 138.4 MB. Free memory was 85.3 MB in the beginning and 74.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:23:18,175 INFO L168 Benchmark]: Boogie Preprocessor took 132.81 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 74.7 MB in the beginning and 177.0 MB in the end (delta: -102.3 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-08-09 16:23:18,177 INFO L168 Benchmark]: RCFGBuilder took 403.56 ms. Allocated memory is still 199.8 MB. Free memory was 177.0 MB in the beginning and 159.6 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:23:18,178 INFO L168 Benchmark]: Symbolic Interpretation took 635.25 ms. Allocated memory is still 199.8 MB. Free memory was 159.6 MB in the beginning and 125.5 MB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. [2019-08-09 16:23:18,192 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 2]: 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 469#(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 138.4 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 262.28 ms. Allocated memory is still 138.4 MB. Free memory was 85.3 MB in the beginning and 74.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.81 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 74.7 MB in the beginning and 177.0 MB in the end (delta: -102.3 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 403.56 ms. Allocated memory is still 199.8 MB. Free memory was 177.0 MB in the beginning and 159.6 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 635.25 ms. Allocated memory is still 199.8 MB. Free memory was 159.6 MB in the beginning and 125.5 MB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...