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/ldv-regression/test_union_cast-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:15:25,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:15:25,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:15:25,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:15:25,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:15:25,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:15:25,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:15:25,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:15:25,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:15:25,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:15:25,115 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:15:25,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:15:25,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:15:25,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:15:25,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:15:25,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:15:25,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:15:25,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:15:25,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:15:25,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:15:25,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:15:25,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:15:25,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:15:25,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:15:25,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 20:15:25,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 20:15:25,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 20:15:25,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 20:15:25,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 20:15:25,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 20:15:25,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 20:15:25,163 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 20:15:25,163 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 20:15:25,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:15:25,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:15:25,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:15:25,167 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 [2019-08-14 20:15:25,191 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:15:25,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:15:25,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:15:25,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:15:25,194 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:15:25,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:15:25,194 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:15:25,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:15:25,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:15:25,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:15:25,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:15:25,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:15:25,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:15:25,197 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:15:25,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:15:25,197 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:15:25,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:15:25,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:15:25,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:15:25,198 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:15:25,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:15:25,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:15:25,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:15:25,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:15:25,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:15:25,199 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:15:25,200 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:15:25,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:15:25,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:15:25,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:15:25,272 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:15:25,275 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:15:25,277 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:15:25,277 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:15:25,278 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_union_cast-2.i [2019-08-14 20:15:25,341 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b65b842ef/3669f47c45ea46888f3a337ee137f962/FLAGd834bf185 [2019-08-14 20:15:25,794 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:15:25,797 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_union_cast-2.i [2019-08-14 20:15:25,804 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b65b842ef/3669f47c45ea46888f3a337ee137f962/FLAGd834bf185 [2019-08-14 20:15:26,165 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b65b842ef/3669f47c45ea46888f3a337ee137f962 [2019-08-14 20:15:26,175 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:15:26,177 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:15:26,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:15:26,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:15:26,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:15:26,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:15:26" (1/1) ... [2019-08-14 20:15:26,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d26993b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:15:26, skipping insertion in model container [2019-08-14 20:15:26,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:15:26" (1/1) ... [2019-08-14 20:15:26,193 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:15:26,209 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:15:26,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:15:26,372 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:15:26,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:15:26,406 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:15:26,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:15:26 WrapperNode [2019-08-14 20:15:26,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:15:26,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:15:26,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:15:26,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:15:26,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:15:26" (1/1) ... [2019-08-14 20:15:26,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:15:26" (1/1) ... [2019-08-14 20:15:26,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:15:26" (1/1) ... [2019-08-14 20:15:26,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:15:26" (1/1) ... [2019-08-14 20:15:26,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:15:26" (1/1) ... [2019-08-14 20:15:26,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:15:26" (1/1) ... [2019-08-14 20:15:26,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:15:26" (1/1) ... [2019-08-14 20:15:26,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:15:26,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:15:26,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:15:26,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:15:26,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:15:26" (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 [2019-08-14 20:15:26,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:15:26,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:15:26,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-14 20:15:26,578 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:15:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:15:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-14 20:15:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-08-14 20:15:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2019-08-14 20:15:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2019-08-14 20:15:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:15:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-14 20:15:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-14 20:15:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 20:15:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 20:15:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 20:15:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:15:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:15:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-14 20:15:26,761 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:15:26,762 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-14 20:15:26,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:15:26 BoogieIcfgContainer [2019-08-14 20:15:26,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:15:26,764 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:15:26,764 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:15:26,764 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:15:26,765 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:15:26" (1/1) ... [2019-08-14 20:15:27,139 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:15:27,420 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 20:15:27,423 INFO L168 Benchmark]: Toolchain (without parser) took 1244.82 ms. Allocated memory was 135.3 MB in the beginning and 200.3 MB in the end (delta: 65.0 MB). Free memory was 86.7 MB in the beginning and 122.5 MB in the end (delta: -35.8 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. [2019-08-14 20:15:27,426 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 135.3 MB. Free memory is still 104.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 20:15:27,427 INFO L168 Benchmark]: CACSL2BoogieTranslator took 229.69 ms. Allocated memory is still 135.3 MB. Free memory was 86.3 MB in the beginning and 76.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-14 20:15:27,430 INFO L168 Benchmark]: Boogie Preprocessor took 120.62 ms. Allocated memory was 135.3 MB in the beginning and 200.3 MB in the end (delta: 65.0 MB). Free memory was 76.6 MB in the beginning and 177.7 MB in the end (delta: -101.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-08-14 20:15:27,432 INFO L168 Benchmark]: RCFGBuilder took 234.71 ms. Allocated memory is still 200.3 MB. Free memory was 177.7 MB in the beginning and 164.7 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2019-08-14 20:15:27,434 INFO L168 Benchmark]: Symbolic Interpretation took 655.81 ms. Allocated memory is still 200.3 MB. Free memory was 164.7 MB in the beginning and 122.5 MB in the end (delta: 42.2 MB). Peak memory consumption was 42.2 MB. Max. memory is 7.1 GB. [2019-08-14 20:15:27,444 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 4]: 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 0.39 ms. Allocated memory is still 135.3 MB. Free memory is still 104.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 229.69 ms. Allocated memory is still 135.3 MB. Free memory was 86.3 MB in the beginning and 76.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.62 ms. Allocated memory was 135.3 MB in the beginning and 200.3 MB in the end (delta: 65.0 MB). Free memory was 76.6 MB in the beginning and 177.7 MB in the end (delta: -101.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 234.71 ms. Allocated memory is still 200.3 MB. Free memory was 177.7 MB in the beginning and 164.7 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 655.81 ms. Allocated memory is still 200.3 MB. Free memory was 164.7 MB in the beginning and 122.5 MB in the end (delta: 42.2 MB). Peak memory consumption was 42.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...