/usr/bin/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.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 06:54:36,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 06:54:36,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 06:54:36,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-07 06:54:36,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 06:54:36,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 06:54:36,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 06:54:36,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 06:54:36,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 06:54:36,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 06:54:36,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 06:54:36,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 06:54:36,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 06:54:36,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 06:54:36,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 06:54:36,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 06:54:36,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 06:54:36,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 06:54:36,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 06:54:36,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 06:54:36,222 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 [2019-11-07 06:54:36,235 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 06:54:36,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 06:54:36,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 06:54:36,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 06:54:36,237 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 06:54:36,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 06:54:36,238 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 06:54:36,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 06:54:36,238 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 06:54:36,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 06:54:36,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 06:54:36,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 06:54:36,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 06:54:36,239 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 06:54:36,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 06:54:36,240 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 06:54:36,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 06:54:36,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 06:54:36,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 06:54:36,240 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 06:54:36,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 06:54:36,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 06:54:36,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 06:54:36,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 06:54:36,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 06:54:36,241 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 06:54:36,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 06:54:36,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 06:54:36,242 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-11-07 06:54:36,517 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 06:54:36,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 06:54:36,533 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 06:54:36,534 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 06:54:36,535 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 06:54:36,535 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_union.i [2019-11-07 06:54:36,610 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/759592e26/1bc2ac6afafb482fab8179c95f6f48f5/FLAG9f19a348d [2019-11-07 06:54:37,076 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 06:54:37,078 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_union.i [2019-11-07 06:54:37,084 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/759592e26/1bc2ac6afafb482fab8179c95f6f48f5/FLAG9f19a348d [2019-11-07 06:54:37,438 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/759592e26/1bc2ac6afafb482fab8179c95f6f48f5 [2019-11-07 06:54:37,449 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 06:54:37,450 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 06:54:37,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 06:54:37,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 06:54:37,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 06:54:37,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:54:37" (1/1) ... [2019-11-07 06:54:37,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76874dbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:37, skipping insertion in model container [2019-11-07 06:54:37,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:54:37" (1/1) ... [2019-11-07 06:54:37,467 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 06:54:37,486 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 06:54:37,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:54:37,674 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 06:54:37,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:54:37,717 INFO L192 MainTranslator]: Completed translation [2019-11-07 06:54:37,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:37 WrapperNode [2019-11-07 06:54:37,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 06:54:37,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 06:54:37,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 06:54:37,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 06:54:37,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:37" (1/1) ... [2019-11-07 06:54:37,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:37" (1/1) ... [2019-11-07 06:54:37,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:37" (1/1) ... [2019-11-07 06:54:37,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:37" (1/1) ... [2019-11-07 06:54:37,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:37" (1/1) ... [2019-11-07 06:54:37,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:37" (1/1) ... [2019-11-07 06:54:37,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:37" (1/1) ... [2019-11-07 06:54:37,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 06:54:37,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 06:54:37,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 06:54:37,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 06:54:37,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:37" (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 [2019-11-07 06:54:37,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 06:54:37,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 06:54:37,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-11-07 06:54:37,899 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 06:54:37,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 06:54:37,899 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-11-07 06:54:37,899 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 06:54:37,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 06:54:37,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 06:54:37,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 06:54:37,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 06:54:37,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 06:54:37,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 06:54:38,092 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 06:54:38,092 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 06:54:38,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:54:38 BoogieIcfgContainer [2019-11-07 06:54:38,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 06:54:38,094 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 06:54:38,095 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 06:54:38,095 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 06:54:38,096 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:54:38" (1/1) ... [2019-11-07 06:54:38,140 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 06:54:38,221 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 06:54:38,226 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 15 root evaluator evaluations with a maximum evaluation depth of 0. Performed 15 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 16 variables. [2019-11-07 06:54:38,226 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 06:54:38,229 INFO L168 Benchmark]: Toolchain (without parser) took 777.85 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 102.0 MB in the beginning and 163.6 MB in the end (delta: -61.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 06:54:38,230 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 06:54:38,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.53 ms. Allocated memory is still 144.2 MB. Free memory was 101.6 MB in the beginning and 92.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-11-07 06:54:38,233 INFO L168 Benchmark]: Boogie Preprocessor took 122.72 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 92.1 MB in the beginning and 180.4 MB in the end (delta: -88.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-11-07 06:54:38,235 INFO L168 Benchmark]: RCFGBuilder took 252.47 ms. Allocated memory is still 201.9 MB. Free memory was 180.4 MB in the beginning and 168.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-11-07 06:54:38,236 INFO L168 Benchmark]: Abstract Interpretation took 131.96 ms. Allocated memory is still 201.9 MB. Free memory was 168.3 MB in the beginning and 163.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-11-07 06:54:38,242 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 266.53 ms. Allocated memory is still 144.2 MB. Free memory was 101.6 MB in the beginning and 92.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.72 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 92.1 MB in the beginning and 180.4 MB in the end (delta: -88.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 252.47 ms. Allocated memory is still 201.9 MB. Free memory was 180.4 MB in the beginning and 168.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 131.96 ms. Allocated memory is still 201.9 MB. Free memory was 168.3 MB in the beginning and 163.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 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: 6]: 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...