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/sep.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:28:11,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:28:11,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:28:11,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:28:11,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:28:11,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:28:11,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:28:11,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:28:11,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:28:11,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:28:11,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:28:11,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:28:11,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:28:11,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:28:11,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:28:11,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:28:11,426 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:28:11,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:28:11,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:28:11,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:28:11,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:28:11,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:28:11,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:28:11,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:28:11,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-16 17:28:11,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:28:11,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:28:11,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:28:11,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:28:11,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:28:11,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:28:11,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:28:11,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:28:11,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:28:11,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:28:11,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:28:11,448 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 [2019-09-16 17:28:11,462 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:28:11,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:28:11,463 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:28:11,463 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:28:11,464 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:28:11,464 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:28:11,465 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:28:11,465 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:28:11,465 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:28:11,465 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:28:11,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:28:11,466 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:28:11,466 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:28:11,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:28:11,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:28:11,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:28:11,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:28:11,467 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:28:11,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:28:11,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:28:11,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:28:11,468 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:28:11,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:28:11,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:28:11,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:28:11,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:28:11,469 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:28:11,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:28:11,470 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:28:11,470 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:28:11,498 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:28:11,511 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:28:11,515 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:28:11,516 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:28:11,517 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:28:11,517 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sep.i [2019-09-16 17:28:11,579 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa06b9127/f3f4bae6b24e458d865a9b9adfe8c708/FLAG3eee7572c [2019-09-16 17:28:12,081 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:28:12,082 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/sep.i [2019-09-16 17:28:12,088 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa06b9127/f3f4bae6b24e458d865a9b9adfe8c708/FLAG3eee7572c [2019-09-16 17:28:12,507 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa06b9127/f3f4bae6b24e458d865a9b9adfe8c708 [2019-09-16 17:28:12,523 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:28:12,524 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:28:12,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:28:12,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:28:12,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:28:12,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:28:12" (1/1) ... [2019-09-16 17:28:12,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ad6ae1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:12, skipping insertion in model container [2019-09-16 17:28:12,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:28:12" (1/1) ... [2019-09-16 17:28:12,546 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:28:12,566 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:28:12,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:28:12,779 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:28:12,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:28:12,818 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:28:12,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:12 WrapperNode [2019-09-16 17:28:12,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:28:12,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:28:12,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:28:12,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:28:12,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:12" (1/1) ... [2019-09-16 17:28:12,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:12" (1/1) ... [2019-09-16 17:28:12,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:12" (1/1) ... [2019-09-16 17:28:12,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:12" (1/1) ... [2019-09-16 17:28:12,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:12" (1/1) ... [2019-09-16 17:28:12,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:12" (1/1) ... [2019-09-16 17:28:12,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:12" (1/1) ... [2019-09-16 17:28:12,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:28:12,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:28:12,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:28:12,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:28:12,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:12" (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 [2019-09-16 17:28:13,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:28:13,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:28:13,011 INFO L138 BoogieDeclarations]: Found implementation of procedure sep [2019-09-16 17:28:13,011 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:28:13,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:28:13,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:28:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure sep [2019-09-16 17:28:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:28:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:28:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 17:28:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:28:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:28:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:28:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:28:13,294 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:28:13,298 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-16 17:28:13,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:28:13 BoogieIcfgContainer [2019-09-16 17:28:13,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:28:13,300 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-16 17:28:13,300 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-16 17:28:13,301 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-16 17:28:13,301 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:28:13" (1/1) ... [2019-09-16 17:28:13,356 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:28:13,443 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-16 17:28:13,449 INFO L272 AbstractInterpreter]: Visited 12 different actions 12 times. Never merged. Never widened. Performed 23 root evaluator evaluations with a maximum evaluation depth of 3. Performed 23 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 31 variables. [2019-09-16 17:28:13,449 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-16 17:28:13,452 INFO L168 Benchmark]: Toolchain (without parser) took 926.44 ms. Allocated memory was 137.9 MB in the beginning and 198.7 MB in the end (delta: 60.8 MB). Free memory was 83.8 MB in the beginning and 153.4 MB in the end (delta: -69.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 17:28:13,453 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory is still 102.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 17:28:13,454 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.65 ms. Allocated memory is still 137.9 MB. Free memory was 83.8 MB in the beginning and 73.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:13,456 INFO L168 Benchmark]: Boogie Preprocessor took 137.72 ms. Allocated memory was 137.9 MB in the beginning and 198.7 MB in the end (delta: 60.8 MB). Free memory was 73.2 MB in the beginning and 175.9 MB in the end (delta: -102.8 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:13,457 INFO L168 Benchmark]: RCFGBuilder took 342.55 ms. Allocated memory is still 198.7 MB. Free memory was 175.9 MB in the beginning and 158.7 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:13,458 INFO L168 Benchmark]: Abstract Interpretation took 148.74 ms. Allocated memory is still 198.7 MB. Free memory was 158.7 MB in the beginning and 153.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:13,463 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory is still 102.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 293.65 ms. Allocated memory is still 137.9 MB. Free memory was 83.8 MB in the beginning and 73.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.72 ms. Allocated memory was 137.9 MB in the beginning and 198.7 MB in the end (delta: 60.8 MB). Free memory was 73.2 MB in the beginning and 175.9 MB in the end (delta: -102.8 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 342.55 ms. Allocated memory is still 198.7 MB. Free memory was 175.9 MB in the beginning and 158.7 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 148.74 ms. Allocated memory is still 198.7 MB. Free memory was 158.7 MB in the beginning and 153.4 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: 42]: 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...