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/simple_3-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 02:24:23,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 02:24:23,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 02:24:23,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 02:24:23,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 02:24:23,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 02:24:23,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 02:24:23,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 02:24:23,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 02:24:23,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 02:24:23,781 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 02:24:23,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 02:24:23,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 02:24:23,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 02:24:23,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 02:24:23,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 02:24:23,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 02:24:23,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 02:24:23,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 02:24:23,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 02:24:23,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 02:24:23,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 02:24:23,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 02:24:23,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 02:24:23,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 02:24:23,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 02:24:23,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 02:24:23,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 02:24:23,808 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 02:24:23,823 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 02:24:23,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 02:24:23,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 02:24:23,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 02:24:23,825 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 02:24:23,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 02:24:23,825 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 02:24:23,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 02:24:23,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 02:24:23,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 02:24:23,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 02:24:23,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 02:24:23,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 02:24:23,827 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 02:24:23,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 02:24:23,827 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 02:24:23,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 02:24:23,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 02:24:23,828 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 02:24:23,828 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 02:24:23,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 02:24:23,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 02:24:23,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 02:24:23,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 02:24:23,829 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 02:24:23,829 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 02:24:23,829 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 02:24:23,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 02:24:23,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 02:24:23,867 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 02:24:23,885 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 02:24:23,888 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 02:24:23,890 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 02:24:23,890 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 02:24:23,891 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_3-2.c [2019-08-10 02:24:23,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a3cee9b7/eef88e5100d748a58dde14ed8f8ca33c/FLAGffc365746 [2019-08-10 02:24:24,401 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 02:24:24,408 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_3-2.c [2019-08-10 02:24:24,415 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a3cee9b7/eef88e5100d748a58dde14ed8f8ca33c/FLAGffc365746 [2019-08-10 02:24:24,787 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a3cee9b7/eef88e5100d748a58dde14ed8f8ca33c [2019-08-10 02:24:24,799 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 02:24:24,801 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 02:24:24,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 02:24:24,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 02:24:24,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 02:24:24,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:24:24" (1/1) ... [2019-08-10 02:24:24,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12378ed2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:24, skipping insertion in model container [2019-08-10 02:24:24,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:24:24" (1/1) ... [2019-08-10 02:24:24,824 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 02:24:24,844 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 02:24:25,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:24:25,053 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 02:24:25,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:24:25,090 INFO L192 MainTranslator]: Completed translation [2019-08-10 02:24:25,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:25 WrapperNode [2019-08-10 02:24:25,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 02:24:25,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 02:24:25,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 02:24:25,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 02:24:25,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:25" (1/1) ... [2019-08-10 02:24:25,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:25" (1/1) ... [2019-08-10 02:24:25,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:25" (1/1) ... [2019-08-10 02:24:25,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:25" (1/1) ... [2019-08-10 02:24:25,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:25" (1/1) ... [2019-08-10 02:24:25,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:25" (1/1) ... [2019-08-10 02:24:25,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:25" (1/1) ... [2019-08-10 02:24:25,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 02:24:25,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 02:24:25,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 02:24:25,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 02:24:25,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:25" (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 02:24:25,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 02:24:25,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 02:24:25,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-10 02:24:25,260 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 02:24:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 02:24:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-08-10 02:24:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-10 02:24:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 02:24:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 02:24:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 02:24:25,425 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 02:24:25,425 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-10 02:24:25,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:24:25 BoogieIcfgContainer [2019-08-10 02:24:25,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 02:24:25,427 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 02:24:25,427 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 02:24:25,427 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 02:24:25,428 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:24:25" (1/1) ... [2019-08-10 02:24:27,611 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 02:24:27,618 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 02:24:27,622 INFO L168 Benchmark]: Toolchain (without parser) took 2819.33 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 87.0 MB in the beginning and 158.8 MB in the end (delta: -71.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-10 02:24:27,623 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-10 02:24:27,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.16 ms. Allocated memory is still 139.5 MB. Free memory was 86.8 MB in the beginning and 77.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-10 02:24:27,625 INFO L168 Benchmark]: Boogie Preprocessor took 115.66 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 77.7 MB in the beginning and 177.7 MB in the end (delta: -100.0 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-08-10 02:24:27,626 INFO L168 Benchmark]: RCFGBuilder took 218.19 ms. Allocated memory is still 199.8 MB. Free memory was 177.7 MB in the beginning and 167.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-08-10 02:24:27,627 INFO L168 Benchmark]: Symbolic Interpretation took 2191.62 ms. Allocated memory is still 199.8 MB. Free memory was 167.3 MB in the beginning and 158.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-08-10 02:24:27,631 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 6]: 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 34#(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 0.49 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 288.16 ms. Allocated memory is still 139.5 MB. Free memory was 86.8 MB in the beginning and 77.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.66 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 77.7 MB in the beginning and 177.7 MB in the end (delta: -100.0 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 218.19 ms. Allocated memory is still 199.8 MB. Free memory was 177.7 MB in the beginning and 167.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2191.62 ms. Allocated memory is still 199.8 MB. Free memory was 167.3 MB in the beginning and 158.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...