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/while_infinite_loop_1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 07:20:33,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 07:20:33,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 07:20:33,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 07:20:33,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 07:20:33,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 07:20:33,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 07:20:33,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 07:20:33,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 07:20:33,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 07:20:33,235 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 07:20:33,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 07:20:33,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 07:20:33,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 07:20:33,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 07:20:33,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 07:20:33,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 07:20:33,241 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 07:20:33,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 07:20:33,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 07:20:33,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 07:20:33,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 07:20:33,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 07:20:33,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 07:20:33,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 07:20:33,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 07:20:33,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 07:20:33,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 07:20:33,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 07:20:33,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 07:20:33,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 07:20:33,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 07:20:33,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 07:20:33,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 07:20:33,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 07:20:33,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 07:20:33,259 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 [2019-08-18 07:20:33,273 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 07:20:33,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 07:20:33,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 07:20:33,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 07:20:33,275 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 07:20:33,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 07:20:33,276 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 07:20:33,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 07:20:33,276 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 07:20:33,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 07:20:33,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 07:20:33,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 07:20:33,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 07:20:33,277 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 07:20:33,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 07:20:33,277 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 07:20:33,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 07:20:33,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 07:20:33,278 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 07:20:33,278 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 07:20:33,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 07:20:33,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:20:33,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 07:20:33,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 07:20:33,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 07:20:33,279 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 07:20:33,280 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 07:20:33,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 07:20:33,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 07:20:33,308 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 07:20:33,323 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 07:20:33,327 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 07:20:33,328 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 07:20:33,328 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 07:20:33,329 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/while_infinite_loop_1.c [2019-08-18 07:20:33,385 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c81c7f46/5ceb451c38cc43078fb7cf06ad61165d/FLAG42bf8a15e [2019-08-18 07:20:33,812 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 07:20:33,813 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/while_infinite_loop_1.c [2019-08-18 07:20:33,819 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c81c7f46/5ceb451c38cc43078fb7cf06ad61165d/FLAG42bf8a15e [2019-08-18 07:20:34,178 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c81c7f46/5ceb451c38cc43078fb7cf06ad61165d [2019-08-18 07:20:34,187 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 07:20:34,188 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 07:20:34,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 07:20:34,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 07:20:34,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 07:20:34,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:20:34" (1/1) ... [2019-08-18 07:20:34,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d1dfda8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:34, skipping insertion in model container [2019-08-18 07:20:34,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:20:34" (1/1) ... [2019-08-18 07:20:34,207 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 07:20:34,223 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 07:20:34,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:20:34,426 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 07:20:34,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:20:34,450 INFO L192 MainTranslator]: Completed translation [2019-08-18 07:20:34,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:34 WrapperNode [2019-08-18 07:20:34,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 07:20:34,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 07:20:34,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 07:20:34,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 07:20:34,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:34" (1/1) ... [2019-08-18 07:20:34,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:34" (1/1) ... [2019-08-18 07:20:34,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:34" (1/1) ... [2019-08-18 07:20:34,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:34" (1/1) ... [2019-08-18 07:20:34,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:34" (1/1) ... [2019-08-18 07:20:34,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:34" (1/1) ... [2019-08-18 07:20:34,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:34" (1/1) ... [2019-08-18 07:20:34,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 07:20:34,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 07:20:34,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 07:20:34,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 07:20:34,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:34" (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 [2019-08-18 07:20:34,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 07:20:34,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 07:20:34,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-18 07:20:34,619 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 07:20:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 07:20:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-18 07:20:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 07:20:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 07:20:34,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 07:20:34,736 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 07:20:34,736 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-18 07:20:34,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:20:34 BoogieIcfgContainer [2019-08-18 07:20:34,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 07:20:34,738 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 07:20:34,738 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 07:20:34,738 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 07:20:34,739 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:20:34" (1/1) ... [2019-08-18 07:20:34,750 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 07:20:34,753 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 07:20:34,759 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 07:20:34,768 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 07:20:34,769 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 07:20:34,810 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-18 07:20:34,850 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:20:34,859 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:20:34,862 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 3 [2019-08-18 07:20:34,863 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 07:20:34,863 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 07:20:34,866 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 38#(and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-18 07:20:34,870 INFO L88 terpretationObserver]: ✔ All locations of interest are guaranteed to be unreachable. [2019-08-18 07:20:34,871 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 07:20:34,874 INFO L168 Benchmark]: Toolchain (without parser) took 684.55 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 87.2 MB in the beginning and 158.8 MB in the end (delta: -71.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-18 07:20:34,875 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 131.1 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 07:20:34,876 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.89 ms. Allocated memory is still 131.1 MB. Free memory was 86.9 MB in the beginning and 77.9 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-18 07:20:34,877 INFO L168 Benchmark]: Boogie Preprocessor took 115.14 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 77.9 MB in the beginning and 175.5 MB in the end (delta: -97.6 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-18 07:20:34,878 INFO L168 Benchmark]: RCFGBuilder took 170.62 ms. Allocated memory is still 198.7 MB. Free memory was 175.5 MB in the beginning and 165.2 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-08-18 07:20:34,879 INFO L168 Benchmark]: Symbolic Interpretation took 133.02 ms. Allocated memory is still 198.7 MB. Free memory was 165.2 MB in the beginning and 158.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. [2019-08-18 07:20:34,883 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 131.1 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 259.89 ms. Allocated memory is still 131.1 MB. Free memory was 86.9 MB in the beginning and 77.9 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.14 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 77.9 MB in the beginning and 175.5 MB in the end (delta: -97.6 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 170.62 ms. Allocated memory is still 198.7 MB. Free memory was 175.5 MB in the beginning and 165.2 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 133.02 ms. Allocated memory is still 198.7 MB. Free memory was 165.2 MB in the beginning and 158.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...