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/overflow_1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 02:24:09,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 02:24:09,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 02:24:09,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 02:24:09,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 02:24:09,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 02:24:09,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 02:24:09,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 02:24:09,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 02:24:09,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 02:24:09,807 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 02:24:09,808 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 02:24:09,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 02:24:09,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 02:24:09,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 02:24:09,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 02:24:09,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 02:24:09,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 02:24:09,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 02:24:09,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 02:24:09,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 02:24:09,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 02:24:09,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 02:24:09,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 02:24:09,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 02:24:09,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 02:24:09,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 02:24:09,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 02:24:09,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 02:24:09,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 02:24:09,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 02:24:09,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 02:24:09,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 02:24:09,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 02:24:09,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 02:24:09,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 02:24:09,842 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 02:24:09,868 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 02:24:09,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 02:24:09,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 02:24:09,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 02:24:09,871 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 02:24:09,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 02:24:09,871 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 02:24:09,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 02:24:09,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 02:24:09,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 02:24:09,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 02:24:09,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 02:24:09,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 02:24:09,873 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 02:24:09,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 02:24:09,874 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 02:24:09,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 02:24:09,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 02:24:09,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 02:24:09,875 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 02:24:09,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 02:24:09,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 02:24:09,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 02:24:09,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 02:24:09,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 02:24:09,876 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 02:24:09,876 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 02:24:09,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 02:24:09,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 02:24:09,921 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 02:24:09,936 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 02:24:09,940 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 02:24:09,941 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 02:24:09,942 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 02:24:09,942 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/overflow_1-1.c [2019-08-10 02:24:10,015 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b7a604b2/0a3bc3fe047d4d4b9c1efeba235e8e86/FLAGc84e4f1dc [2019-08-10 02:24:10,423 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 02:24:10,426 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/overflow_1-1.c [2019-08-10 02:24:10,431 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b7a604b2/0a3bc3fe047d4d4b9c1efeba235e8e86/FLAGc84e4f1dc [2019-08-10 02:24:10,831 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b7a604b2/0a3bc3fe047d4d4b9c1efeba235e8e86 [2019-08-10 02:24:10,843 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 02:24:10,845 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 02:24:10,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 02:24:10,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 02:24:10,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 02:24:10,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:24:10" (1/1) ... [2019-08-10 02:24:10,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41add423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:10, skipping insertion in model container [2019-08-10 02:24:10,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:24:10" (1/1) ... [2019-08-10 02:24:10,860 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 02:24:10,873 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 02:24:11,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:24:11,005 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 02:24:11,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:24:11,032 INFO L192 MainTranslator]: Completed translation [2019-08-10 02:24:11,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:11 WrapperNode [2019-08-10 02:24:11,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 02:24:11,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 02:24:11,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 02:24:11,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 02:24:11,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:11" (1/1) ... [2019-08-10 02:24:11,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:11" (1/1) ... [2019-08-10 02:24:11,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:11" (1/1) ... [2019-08-10 02:24:11,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:11" (1/1) ... [2019-08-10 02:24:11,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:11" (1/1) ... [2019-08-10 02:24:11,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:11" (1/1) ... [2019-08-10 02:24:11,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:11" (1/1) ... [2019-08-10 02:24:11,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 02:24:11,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 02:24:11,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 02:24:11,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 02:24:11,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:11" (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 02:24:11,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 02:24:11,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 02:24:11,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-10 02:24:11,191 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 02:24:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 02:24:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-10 02:24:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 02:24:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 02:24:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 02:24:11,330 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 02:24:11,330 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-10 02:24:11,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:24:11 BoogieIcfgContainer [2019-08-10 02:24:11,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 02:24:11,333 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 02:24:11,333 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 02:24:11,333 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 02:24:11,334 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:24:11" (1/1) ... [2019-08-10 02:24:11,470 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 02:24:11,477 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 02:24:11,480 INFO L168 Benchmark]: Toolchain (without parser) took 634.35 ms. Allocated memory was 140.5 MB in the beginning and 199.8 MB in the end (delta: 59.2 MB). Free memory was 88.4 MB in the beginning and 160.5 MB in the end (delta: -72.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-10 02:24:11,482 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-10 02:24:11,483 INFO L168 Benchmark]: CACSL2BoogieTranslator took 187.17 ms. Allocated memory is still 140.5 MB. Free memory was 88.2 MB in the beginning and 79.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-10 02:24:11,484 INFO L168 Benchmark]: Boogie Preprocessor took 103.08 ms. Allocated memory was 140.5 MB in the beginning and 199.8 MB in the end (delta: 59.2 MB). Free memory was 79.1 MB in the beginning and 178.3 MB in the end (delta: -99.2 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-08-10 02:24:11,485 INFO L168 Benchmark]: RCFGBuilder took 195.47 ms. Allocated memory is still 199.8 MB. Free memory was 177.7 MB in the beginning and 167.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-08-10 02:24:11,486 INFO L168 Benchmark]: Symbolic Interpretation took 145.07 ms. Allocated memory is still 199.8 MB. Free memory was 167.7 MB in the beginning and 160.5 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. [2019-08-10 02:24:11,491 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: Interpreter reached this location of interest. Location might be reachable. Predicate is 34#(and (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) (= 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 0.40 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 187.17 ms. Allocated memory is still 140.5 MB. Free memory was 88.2 MB in the beginning and 79.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.08 ms. Allocated memory was 140.5 MB in the beginning and 199.8 MB in the end (delta: 59.2 MB). Free memory was 79.1 MB in the beginning and 178.3 MB in the end (delta: -99.2 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 195.47 ms. Allocated memory is still 199.8 MB. Free memory was 177.7 MB in the beginning and 167.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 145.07 ms. Allocated memory is still 199.8 MB. Free memory was 167.7 MB in the beginning and 160.5 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...