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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-regression/volatile_alias.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 12:35:27,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 12:35:27,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 12:35:27,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 12:35:27,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 12:35:27,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 12:35:27,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 12:35:27,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 12:35:27,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 12:35:27,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 12:35:27,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 12:35:27,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 12:35:27,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 12:35:27,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 12:35:27,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 12:35:27,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 12:35:27,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 12:35:27,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 12:35:27,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 12:35:27,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 12:35:27,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 12:35:27,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 12:35:27,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 12:35:27,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 12:35:27,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-03 12:35:27,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 12:35:27,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 12:35:27,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 12:35:27,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 12:35:27,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 12:35:27,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 12:35:27,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 12:35:27,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 12:35:27,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 12:35:27,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 12:35:27,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 12:35:27,243 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 12:35:27,257 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 12:35:27,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 12:35:27,258 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 12:35:27,258 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 12:35:27,259 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 12:35:27,259 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 12:35:27,259 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 12:35:27,259 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 12:35:27,259 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 12:35:27,260 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 12:35:27,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 12:35:27,260 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 12:35:27,261 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 12:35:27,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 12:35:27,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 12:35:27,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 12:35:27,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 12:35:27,262 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 12:35:27,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 12:35:27,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 12:35:27,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 12:35:27,262 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 12:35:27,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 12:35:27,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:35:27,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 12:35:27,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 12:35:27,263 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 12:35:27,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 12:35:27,264 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 12:35:27,264 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 12:35:27,299 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 12:35:27,311 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 12:35:27,314 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 12:35:27,315 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 12:35:27,316 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 12:35:27,322 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/volatile_alias.i [2019-10-03 12:35:27,385 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1934c672e/4266e7f0ef6b4dd0b5d7b28e2512e1ec/FLAGb3143e714 [2019-10-03 12:35:27,823 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 12:35:27,824 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/volatile_alias.i [2019-10-03 12:35:27,830 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1934c672e/4266e7f0ef6b4dd0b5d7b28e2512e1ec/FLAGb3143e714 [2019-10-03 12:35:28,234 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1934c672e/4266e7f0ef6b4dd0b5d7b28e2512e1ec [2019-10-03 12:35:28,246 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 12:35:28,248 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 12:35:28,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 12:35:28,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 12:35:28,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 12:35:28,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:35:28" (1/1) ... [2019-10-03 12:35:28,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@395d78e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:35:28, skipping insertion in model container [2019-10-03 12:35:28,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:35:28" (1/1) ... [2019-10-03 12:35:28,271 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 12:35:28,285 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 12:35:28,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:35:28,489 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 12:35:28,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:35:28,519 INFO L192 MainTranslator]: Completed translation [2019-10-03 12:35:28,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:35:28 WrapperNode [2019-10-03 12:35:28,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 12:35:28,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 12:35:28,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 12:35:28,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 12:35:28,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:35:28" (1/1) ... [2019-10-03 12:35:28,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:35:28" (1/1) ... [2019-10-03 12:35:28,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:35:28" (1/1) ... [2019-10-03 12:35:28,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:35:28" (1/1) ... [2019-10-03 12:35:28,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:35:28" (1/1) ... [2019-10-03 12:35:28,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:35:28" (1/1) ... [2019-10-03 12:35:28,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:35:28" (1/1) ... [2019-10-03 12:35:28,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 12:35:28,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 12:35:28,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 12:35:28,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 12:35:28,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:35:28" (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 [2019-10-03 12:35:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 12:35:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 12:35:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 12:35:28,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 12:35:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 12:35:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 12:35:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 12:35:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 12:35:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 12:35:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 12:35:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 12:35:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 12:35:28,877 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 12:35:28,879 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-03 12:35:28,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:35:28 BoogieIcfgContainer [2019-10-03 12:35:28,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 12:35:28,881 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 12:35:28,881 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 12:35:28,882 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 12:35:28,885 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:35:28" (1/1) ... [2019-10-03 12:35:28,924 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 12:35:29,027 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 12:35:29,034 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 19 variables. [2019-10-03 12:35:29,035 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 12:35:29,037 INFO L168 Benchmark]: Toolchain (without parser) took 789.18 ms. Allocated memory was 134.2 MB in the beginning and 199.2 MB in the end (delta: 65.0 MB). Free memory was 87.4 MB in the beginning and 159.2 MB in the end (delta: -71.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 12:35:29,038 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 134.2 MB. Free memory is still 105.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 12:35:29,040 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.06 ms. Allocated memory is still 134.2 MB. Free memory was 87.4 MB in the beginning and 78.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-10-03 12:35:29,041 INFO L168 Benchmark]: Boogie Preprocessor took 125.88 ms. Allocated memory was 134.2 MB in the beginning and 199.2 MB in the end (delta: 65.0 MB). Free memory was 78.0 MB in the beginning and 176.6 MB in the end (delta: -98.6 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2019-10-03 12:35:29,042 INFO L168 Benchmark]: RCFGBuilder took 234.08 ms. Allocated memory is still 199.2 MB. Free memory was 176.6 MB in the beginning and 164.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-10-03 12:35:29,044 INFO L168 Benchmark]: Abstract Interpretation took 153.69 ms. Allocated memory is still 199.2 MB. Free memory was 164.5 MB in the beginning and 159.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-10-03 12:35:29,049 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 134.2 MB. Free memory is still 105.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 271.06 ms. Allocated memory is still 134.2 MB. Free memory was 87.4 MB in the beginning and 78.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.88 ms. Allocated memory was 134.2 MB in the beginning and 199.2 MB in the end (delta: 65.0 MB). Free memory was 78.0 MB in the beginning and 176.6 MB in the end (delta: -98.6 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 234.08 ms. Allocated memory is still 199.2 MB. Free memory was 176.6 MB in the beginning and 164.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 153.69 ms. Allocated memory is still 199.2 MB. Free memory was 164.5 MB in the beginning and 159.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 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: 13]: 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...