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/phases_2-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 02:24:15,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 02:24:15,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 02:24:15,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 02:24:15,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 02:24:15,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 02:24:15,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 02:24:15,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 02:24:15,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 02:24:15,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 02:24:15,242 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 02:24:15,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 02:24:15,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 02:24:15,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 02:24:15,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 02:24:15,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 02:24:15,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 02:24:15,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 02:24:15,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 02:24:15,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 02:24:15,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 02:24:15,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 02:24:15,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 02:24:15,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 02:24:15,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 02:24:15,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 02:24:15,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 02:24:15,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 02:24:15,268 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 02:24:15,285 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 02:24:15,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 02:24:15,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 02:24:15,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 02:24:15,287 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 02:24:15,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 02:24:15,287 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 02:24:15,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 02:24:15,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 02:24:15,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 02:24:15,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 02:24:15,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 02:24:15,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 02:24:15,288 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 02:24:15,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 02:24:15,289 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 02:24:15,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 02:24:15,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 02:24:15,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 02:24:15,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 02:24:15,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 02:24:15,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 02:24:15,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 02:24:15,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 02:24:15,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 02:24:15,291 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 02:24:15,291 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 02:24:15,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 02:24:15,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 02:24:15,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 02:24:15,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 02:24:15,345 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 02:24:15,346 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 02:24:15,347 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 02:24:15,347 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/phases_2-2.c [2019-08-10 02:24:15,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b7403d89/d53ac100e9da42ad89f4da83a76de329/FLAGef34f3412 [2019-08-10 02:24:15,860 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 02:24:15,861 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/phases_2-2.c [2019-08-10 02:24:15,870 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b7403d89/d53ac100e9da42ad89f4da83a76de329/FLAGef34f3412 [2019-08-10 02:24:16,255 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b7403d89/d53ac100e9da42ad89f4da83a76de329 [2019-08-10 02:24:16,263 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 02:24:16,265 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 02:24:16,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 02:24:16,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 02:24:16,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 02:24:16,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:24:16" (1/1) ... [2019-08-10 02:24:16,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7629ad76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:16, skipping insertion in model container [2019-08-10 02:24:16,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:24:16" (1/1) ... [2019-08-10 02:24:16,283 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 02:24:16,297 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 02:24:16,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:24:16,495 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 02:24:16,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:24:16,523 INFO L192 MainTranslator]: Completed translation [2019-08-10 02:24:16,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:16 WrapperNode [2019-08-10 02:24:16,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 02:24:16,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 02:24:16,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 02:24:16,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 02:24:16,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:16" (1/1) ... [2019-08-10 02:24:16,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:16" (1/1) ... [2019-08-10 02:24:16,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:16" (1/1) ... [2019-08-10 02:24:16,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:16" (1/1) ... [2019-08-10 02:24:16,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:16" (1/1) ... [2019-08-10 02:24:16,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:16" (1/1) ... [2019-08-10 02:24:16,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:16" (1/1) ... [2019-08-10 02:24:16,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 02:24:16,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 02:24:16,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 02:24:16,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 02:24:16,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:24:16" (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 [2019-08-10 02:24:16,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 02:24:16,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 02:24:16,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-10 02:24:16,686 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 02:24:16,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 02:24:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 02:24:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-10 02:24:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-10 02:24:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 02:24:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 02:24:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 02:24:16,870 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 02:24:16,870 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-10 02:24:16,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:24:16 BoogieIcfgContainer [2019-08-10 02:24:16,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 02:24:16,876 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 02:24:16,876 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 02:24:16,879 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 02:24:16,884 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:24:16" (1/1) ... [2019-08-10 02:24:17,082 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 02:24:17,091 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 02:24:17,095 INFO L168 Benchmark]: Toolchain (without parser) took 828.62 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 87.8 MB in the beginning and 159.6 MB in the end (delta: -71.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-10 02:24:17,097 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-10 02:24:17,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.41 ms. Allocated memory is still 141.0 MB. Free memory was 87.5 MB in the beginning and 77.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-10 02:24:17,100 INFO L168 Benchmark]: Boogie Preprocessor took 113.47 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 77.8 MB in the beginning and 178.4 MB in the end (delta: -100.5 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-08-10 02:24:17,102 INFO L168 Benchmark]: RCFGBuilder took 237.14 ms. Allocated memory is still 200.8 MB. Free memory was 178.4 MB in the beginning and 167.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-08-10 02:24:17,105 INFO L168 Benchmark]: Symbolic Interpretation took 215.91 ms. Allocated memory is still 200.8 MB. Free memory was 167.5 MB in the beginning and 159.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. [2019-08-10 02:24:17,114 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 7]: 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 37#(and (= |__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 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 258.41 ms. Allocated memory is still 141.0 MB. Free memory was 87.5 MB in the beginning and 77.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.47 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 77.8 MB in the beginning and 178.4 MB in the end (delta: -100.5 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 237.14 ms. Allocated memory is still 200.8 MB. Free memory was 178.4 MB in the beginning and 167.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 215.91 ms. Allocated memory is still 200.8 MB. Free memory was 167.5 MB in the beginning and 159.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...