java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/ldv-regression/test_union_cast-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:37:14,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:37:14,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:37:14,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 00:37:14,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 00:37:14,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 00:37:14,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 00:37:14,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 00:37:14,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 00:37:14,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 00:37:14,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 00:37:14,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 00:37:14,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 00:37:14,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 00:37:14,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 00:37:14,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 00:37:14,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 00:37:14,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 00:37:14,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 00:37:15,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 00:37:15,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 00:37:15,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 00:37:15,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 00:37:15,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 00:37:15,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 00:37:15,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:37:15,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:37:15,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:37:15,032 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 [2019-10-14 00:37:15,055 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:37:15,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:37:15,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:37:15,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:37:15,059 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:37:15,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:37:15,060 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:37:15,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:37:15,060 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:37:15,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:37:15,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:37:15,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:37:15,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:37:15,062 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:37:15,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:37:15,063 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:37:15,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:37:15,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:37:15,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:37:15,064 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:37:15,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:37:15,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:37:15,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:37:15,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:37:15,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:37:15,065 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:37:15,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:37:15,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:37:15,066 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-14 00:37:15,364 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:37:15,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:37:15,381 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:37:15,383 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:37:15,383 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:37:15,384 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_union_cast-1.i [2019-10-14 00:37:15,445 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71e9f810f/bce01262a5d1448b929585e3d85217e6/FLAGcfd1d017c [2019-10-14 00:37:15,882 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:37:15,882 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_union_cast-1.i [2019-10-14 00:37:15,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71e9f810f/bce01262a5d1448b929585e3d85217e6/FLAGcfd1d017c [2019-10-14 00:37:16,292 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71e9f810f/bce01262a5d1448b929585e3d85217e6 [2019-10-14 00:37:16,303 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:37:16,304 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:37:16,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:37:16,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:37:16,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:37:16,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:37:16" (1/1) ... [2019-10-14 00:37:16,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ba53ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:16, skipping insertion in model container [2019-10-14 00:37:16,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:37:16" (1/1) ... [2019-10-14 00:37:16,321 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:37:16,342 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:37:16,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:37:16,543 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:37:16,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:37:16,586 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:37:16,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:16 WrapperNode [2019-10-14 00:37:16,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:37:16,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:37:16,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:37:16,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:37:16,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:16" (1/1) ... [2019-10-14 00:37:16,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:16" (1/1) ... [2019-10-14 00:37:16,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:16" (1/1) ... [2019-10-14 00:37:16,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:16" (1/1) ... [2019-10-14 00:37:16,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:16" (1/1) ... [2019-10-14 00:37:16,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:16" (1/1) ... [2019-10-14 00:37:16,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:16" (1/1) ... [2019-10-14 00:37:16,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:37:16,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:37:16,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:37:16,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:37:16,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:16" (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 [2019-10-14 00:37:16,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:37:16,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:37:16,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-14 00:37:16,762 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:37:16,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:37:16,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-14 00:37:16,763 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 00:37:16,763 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2019-10-14 00:37:16,763 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2019-10-14 00:37:16,763 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:37:16,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 00:37:16,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-10-14 00:37:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 00:37:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 00:37:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 00:37:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:37:16,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:37:16,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-10-14 00:37:17,034 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:37:17,034 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 00:37:17,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:37:17 BoogieIcfgContainer [2019-10-14 00:37:17,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:37:17,036 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-14 00:37:17,036 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-14 00:37:17,037 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-14 00:37:17,037 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:37:17" (1/1) ... [2019-10-14 00:37:17,063 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-14 00:37:17,126 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-14 00:37:17,132 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 20 root evaluator evaluations with a maximum evaluation depth of 0. Performed 20 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 20 variables. [2019-10-14 00:37:17,132 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-14 00:37:17,135 INFO L168 Benchmark]: Toolchain (without parser) took 829.68 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 104.4 MB in the beginning and 163.6 MB in the end (delta: -59.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-14 00:37:17,136 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-14 00:37:17,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.24 ms. Allocated memory is still 146.3 MB. Free memory was 104.2 MB in the beginning and 94.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-10-14 00:37:17,138 INFO L168 Benchmark]: Boogie Preprocessor took 117.74 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 94.2 MB in the beginning and 183.0 MB in the end (delta: -88.8 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-10-14 00:37:17,139 INFO L168 Benchmark]: RCFGBuilder took 330.59 ms. Allocated memory is still 204.5 MB. Free memory was 183.0 MB in the beginning and 168.8 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-10-14 00:37:17,140 INFO L168 Benchmark]: Abstract Interpretation took 95.98 ms. Allocated memory is still 204.5 MB. Free memory was 168.8 MB in the beginning and 163.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-10-14 00:37:17,145 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 281.24 ms. Allocated memory is still 146.3 MB. Free memory was 104.2 MB in the beginning and 94.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.74 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 94.2 MB in the beginning and 183.0 MB in the end (delta: -88.8 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 330.59 ms. Allocated memory is still 204.5 MB. Free memory was 183.0 MB in the beginning and 168.8 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 95.98 ms. Allocated memory is still 204.5 MB. Free memory was 168.8 MB in the beginning and 163.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location RESULT: Ultimate proved your program to be correct! Received shutdown request...