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/reducercommutativity/sum20-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 19:08:34,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 19:08:34,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 19:08:34,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-10 19:08:34,965 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 [2019-09-10 19:08:34,995 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 19:08:34,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 19:08:34,996 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 19:08:34,996 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 19:08:34,997 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 19:08:34,997 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 19:08:34,997 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 19:08:34,998 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 19:08:34,998 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 19:08:34,998 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 19:08:34,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 19:08:34,999 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 19:08:34,999 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 19:08:35,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 19:08:35,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 19:08:35,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 19:08:35,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 19:08:35,001 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 19:08:35,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 19:08:35,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 19:08:35,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 19:08:35,001 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 19:08:35,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 19:08:35,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 19:08:35,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 19:08:35,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 19:08:35,003 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 19:08:35,003 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 19:08:35,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 19:08:35,003 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 19:08:35,034 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 19:08:35,049 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 19:08:35,053 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 19:08:35,054 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 19:08:35,055 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 19:08:35,056 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sum20-2.i [2019-09-10 19:08:35,137 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f65debba3/dbcf6417a1834c4cb9141c8f66cfd8a6/FLAG5555aa157 [2019-09-10 19:08:35,624 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 19:08:35,625 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/sum20-2.i [2019-09-10 19:08:35,632 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f65debba3/dbcf6417a1834c4cb9141c8f66cfd8a6/FLAG5555aa157 [2019-09-10 19:08:35,973 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f65debba3/dbcf6417a1834c4cb9141c8f66cfd8a6 [2019-09-10 19:08:35,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 19:08:35,992 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 19:08:35,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 19:08:35,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 19:08:35,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 19:08:35,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 07:08:35" (1/1) ... [2019-09-10 19:08:36,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62d268b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:08:35, skipping insertion in model container [2019-09-10 19:08:36,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 07:08:35" (1/1) ... [2019-09-10 19:08:36,010 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 19:08:36,029 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 19:08:36,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 19:08:36,241 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 19:08:36,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 19:08:36,285 INFO L192 MainTranslator]: Completed translation [2019-09-10 19:08:36,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:08:36 WrapperNode [2019-09-10 19:08:36,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 19:08:36,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 19:08:36,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 19:08:36,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 19:08:36,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:08:36" (1/1) ... [2019-09-10 19:08:36,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:08:36" (1/1) ... [2019-09-10 19:08:36,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:08:36" (1/1) ... [2019-09-10 19:08:36,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:08:36" (1/1) ... [2019-09-10 19:08:36,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:08:36" (1/1) ... [2019-09-10 19:08:36,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:08:36" (1/1) ... [2019-09-10 19:08:36,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:08:36" (1/1) ... [2019-09-10 19:08:36,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 19:08:36,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 19:08:36,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 19:08:36,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 19:08:36,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:08:36" (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 [2019-09-10 19:08:36,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 19:08:36,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 19:08:36,507 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2019-09-10 19:08:36,507 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 19:08:36,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 19:08:36,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 19:08:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2019-09-10 19:08:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 19:08:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 19:08:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 19:08:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 19:08:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 19:08:36,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 19:08:36,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 19:08:36,775 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 19:08:36,776 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-10 19:08:36,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 07:08:36 BoogieIcfgContainer [2019-09-10 19:08:36,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 19:08:36,778 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-10 19:08:36,778 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-10 19:08:36,779 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-10 19:08:36,780 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 07:08:36" (1/1) ... [2019-09-10 19:08:36,813 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 19:08:36,915 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 19:08:36,922 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 31 variables. [2019-09-10 19:08:36,922 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-10 19:08:36,926 INFO L168 Benchmark]: Toolchain (without parser) took 933.94 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 88.2 MB in the beginning and 153.8 MB in the end (delta: -65.7 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-09-10 19:08:36,927 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 132.1 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 19:08:36,929 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.51 ms. Allocated memory is still 132.1 MB. Free memory was 88.0 MB in the beginning and 77.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-09-10 19:08:36,930 INFO L168 Benchmark]: Boogie Preprocessor took 151.72 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 77.9 MB in the beginning and 174.9 MB in the end (delta: -97.0 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-10 19:08:36,931 INFO L168 Benchmark]: RCFGBuilder took 338.38 ms. Allocated memory is still 199.2 MB. Free memory was 174.9 MB in the beginning and 158.9 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-10 19:08:36,933 INFO L168 Benchmark]: Abstract Interpretation took 144.09 ms. Allocated memory is still 199.2 MB. Free memory was 158.9 MB in the beginning and 153.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-09-10 19:08:36,939 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 132.1 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 293.51 ms. Allocated memory is still 132.1 MB. Free memory was 88.0 MB in the beginning and 77.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 151.72 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 77.9 MB in the beginning and 174.9 MB in the end (delta: -97.0 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 338.38 ms. Allocated memory is still 199.2 MB. Free memory was 174.9 MB in the beginning and 158.9 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 144.09 ms. Allocated memory is still 199.2 MB. Free memory was 158.9 MB in the beginning and 153.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 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: 39]: 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...