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/loops/trex04.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 02:23:10,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 02:23:10,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 02:23:10,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 02:23:10,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 02:23:10,300 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 02:23:10,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 02:23:10,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 02:23:10,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 02:23:10,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 02:23:10,306 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 02:23:10,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 02:23:10,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 02:23:10,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 02:23:10,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 02:23:10,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 02:23:10,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 02:23:10,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 02:23:10,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 02:23:10,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 02:23:10,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 02:23:10,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 02:23:10,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 02:23:10,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 02:23:10,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 02:23:10,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 02:23:10,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 02:23:10,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 02:23:10,348 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 02:23:10,361 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 02:23:10,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 02:23:10,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 02:23:10,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 02:23:10,363 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 02:23:10,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 02:23:10,364 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 02:23:10,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 02:23:10,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 02:23:10,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 02:23:10,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 02:23:10,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 02:23:10,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 02:23:10,365 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 02:23:10,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 02:23:10,366 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 02:23:10,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 02:23:10,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 02:23:10,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 02:23:10,366 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 02:23:10,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 02:23:10,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 02:23:10,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 02:23:10,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 02:23:10,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 02:23:10,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 02:23:10,368 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 02:23:10,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 02:23:10,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 02:23:10,397 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 02:23:10,411 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 02:23:10,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 02:23:10,416 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 02:23:10,416 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 02:23:10,417 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex04.c [2019-08-10 02:23:10,480 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8566f0fe/3918bd93da3c48b79139e85561681762/FLAG2396c71b0 [2019-08-10 02:23:10,934 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 02:23:10,937 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex04.c [2019-08-10 02:23:10,944 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8566f0fe/3918bd93da3c48b79139e85561681762/FLAG2396c71b0 [2019-08-10 02:23:11,287 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8566f0fe/3918bd93da3c48b79139e85561681762 [2019-08-10 02:23:11,300 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 02:23:11,302 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 02:23:11,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 02:23:11,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 02:23:11,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 02:23:11,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:23:11" (1/1) ... [2019-08-10 02:23:11,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d6568a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:23:11, skipping insertion in model container [2019-08-10 02:23:11,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:23:11" (1/1) ... [2019-08-10 02:23:11,320 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 02:23:11,339 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 02:23:11,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:23:11,539 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 02:23:11,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:23:11,576 INFO L192 MainTranslator]: Completed translation [2019-08-10 02:23:11,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:23:11 WrapperNode [2019-08-10 02:23:11,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 02:23:11,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 02:23:11,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 02:23:11,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 02:23:11,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:23:11" (1/1) ... [2019-08-10 02:23:11,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:23:11" (1/1) ... [2019-08-10 02:23:11,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:23:11" (1/1) ... [2019-08-10 02:23:11,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:23:11" (1/1) ... [2019-08-10 02:23:11,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:23:11" (1/1) ... [2019-08-10 02:23:11,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:23:11" (1/1) ... [2019-08-10 02:23:11,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:23:11" (1/1) ... [2019-08-10 02:23:11,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 02:23:11,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 02:23:11,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 02:23:11,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 02:23:11,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:23:11" (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 02:23:11,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 02:23:11,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 02:23:11,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-10 02:23:11,755 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-10 02:23:11,756 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 02:23:11,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 02:23:11,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 02:23:11,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-10 02:23:11,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-10 02:23:11,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-10 02:23:11,757 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-10 02:23:11,757 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 02:23:11,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 02:23:11,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 02:23:12,037 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 02:23:12,038 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-10 02:23:12,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:23:12 BoogieIcfgContainer [2019-08-10 02:23:12,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 02:23:12,046 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 02:23:12,046 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 02:23:12,046 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 02:23:12,048 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:23:12" (1/1) ... [2019-08-10 02:23:12,237 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 02:23:12,245 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 02:23:12,248 INFO L168 Benchmark]: Toolchain (without parser) took 944.88 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 83.8 MB in the beginning and 152.5 MB in the end (delta: -68.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-10 02:23:12,249 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 102.7 MB in the beginning and 102.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-10 02:23:12,250 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.64 ms. Allocated memory is still 137.9 MB. Free memory was 83.6 MB in the beginning and 74.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-10 02:23:12,251 INFO L168 Benchmark]: Boogie Preprocessor took 124.28 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 74.1 MB in the beginning and 175.4 MB in the end (delta: -101.4 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-08-10 02:23:12,252 INFO L168 Benchmark]: RCFGBuilder took 342.80 ms. Allocated memory is still 198.2 MB. Free memory was 175.4 MB in the beginning and 161.7 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2019-08-10 02:23:12,253 INFO L168 Benchmark]: Symbolic Interpretation took 199.01 ms. Allocated memory is still 198.2 MB. Free memory was 161.7 MB in the beginning and 152.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-10 02:23:12,258 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 66#(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 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 102.7 MB in the beginning and 102.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 274.64 ms. Allocated memory is still 137.9 MB. Free memory was 83.6 MB in the beginning and 74.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.28 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 74.1 MB in the beginning and 175.4 MB in the end (delta: -101.4 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 342.80 ms. Allocated memory is still 198.2 MB. Free memory was 175.4 MB in the beginning and 161.7 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 199.01 ms. Allocated memory is still 198.2 MB. Free memory was 161.7 MB in the beginning and 152.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...