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/systemc/pc_sfifo_1.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:50:58,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:50:58,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:50:58,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:50:58,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:50:58,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:50:58,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:50:58,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:50:58,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:50:58,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:50:58,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:50:58,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:50:58,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:50:58,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:50:58,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:50:58,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:50:58,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:50:58,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:50:58,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:50:58,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:50:58,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:50:58,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:50:58,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:50:58,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:50:58,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:50:58,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:50:58,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:50:58,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:50:58,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:50:58,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:50:58,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:50:58,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:50:58,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:50:58,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:50:58,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:50:58,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:50:58,498 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 [2019-09-20 13:50:58,523 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:50:58,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:50:58,524 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:50:58,525 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:50:58,525 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:50:58,526 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:50:58,526 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:50:58,526 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:50:58,526 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:50:58,527 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:50:58,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:50:58,529 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:50:58,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:50:58,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:50:58,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:50:58,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:50:58,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:50:58,530 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:50:58,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:50:58,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:50:58,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:50:58,531 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:50:58,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:50:58,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:50:58,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:50:58,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:50:58,533 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:50:58,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:50:58,533 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:50:58,533 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:50:58,598 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:50:58,611 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:50:58,614 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:50:58,616 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:50:58,616 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:50:58,617 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c [2019-09-20 13:50:58,693 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/548fad957/0643bbd933df43309b05de80c074a325/FLAG200e35a5e [2019-09-20 13:50:59,148 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:50:59,149 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c [2019-09-20 13:50:59,165 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/548fad957/0643bbd933df43309b05de80c074a325/FLAG200e35a5e [2019-09-20 13:50:59,512 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/548fad957/0643bbd933df43309b05de80c074a325 [2019-09-20 13:50:59,520 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:50:59,521 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:50:59,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:50:59,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:50:59,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:50:59,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:50:59" (1/1) ... [2019-09-20 13:50:59,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@195205d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:59, skipping insertion in model container [2019-09-20 13:50:59,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:50:59" (1/1) ... [2019-09-20 13:50:59,536 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:50:59,563 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:50:59,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:50:59,766 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:50:59,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:50:59,905 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:50:59,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:59 WrapperNode [2019-09-20 13:50:59,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:50:59,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:50:59,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:50:59,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:50:59,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:59" (1/1) ... [2019-09-20 13:50:59,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:59" (1/1) ... [2019-09-20 13:50:59,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:59" (1/1) ... [2019-09-20 13:50:59,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:59" (1/1) ... [2019-09-20 13:50:59,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:59" (1/1) ... [2019-09-20 13:50:59,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:59" (1/1) ... [2019-09-20 13:50:59,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:59" (1/1) ... [2019-09-20 13:50:59,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:50:59,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:50:59,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:50:59,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:50:59,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:50:59" (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 [2019-09-20 13:51:00,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:51:00,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:51:00,007 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 13:51:00,007 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-20 13:51:00,007 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-20 13:51:00,008 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-20 13:51:00,008 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-20 13:51:00,008 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-20 13:51:00,008 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 13:51:00,008 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 13:51:00,008 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 13:51:00,008 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 13:51:00,009 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 13:51:00,009 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 13:51:00,009 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:51:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:51:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:51:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 13:51:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-20 13:51:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-20 13:51:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-20 13:51:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-20 13:51:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-20 13:51:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 13:51:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 13:51:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 13:51:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 13:51:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 13:51:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 13:51:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:51:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:51:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:51:00,444 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:51:00,445 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 13:51:00,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:51:00 BoogieIcfgContainer [2019-09-20 13:51:00,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:51:00,447 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:51:00,447 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:51:00,448 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:51:00,449 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:51:00" (1/1) ... [2019-09-20 13:51:00,479 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:51:15,904 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:51:15,941 INFO L272 AbstractInterpreter]: Visited 139 different actions 71306 times. Merged at 77 different actions 27355 times. Widened at 10 different actions 169 times. Performed 322458 root evaluator evaluations with a maximum evaluation depth of 4. Performed 322458 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 4796 fixpoints after 29 different actions. Largest state had 36 variables. [2019-09-20 13:51:15,941 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:51:15,944 INFO L168 Benchmark]: Toolchain (without parser) took 16421.52 ms. Allocated memory was 130.0 MB in the beginning and 1.1 GB in the end (delta: 988.3 MB). Free memory was 85.2 MB in the beginning and 740.7 MB in the end (delta: -655.5 MB). Peak memory consumption was 332.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:51:15,945 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 130.0 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:51:15,946 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.00 ms. Allocated memory was 130.0 MB in the beginning and 198.2 MB in the end (delta: 68.2 MB). Free memory was 85.0 MB in the beginning and 174.7 MB in the end (delta: -89.7 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:51:15,947 INFO L168 Benchmark]: Boogie Preprocessor took 41.12 ms. Allocated memory is still 198.2 MB. Free memory was 174.7 MB in the beginning and 172.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:51:15,948 INFO L168 Benchmark]: RCFGBuilder took 498.67 ms. Allocated memory is still 198.2 MB. Free memory was 172.3 MB in the beginning and 145.9 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:51:15,949 INFO L168 Benchmark]: Abstract Interpretation took 15494.06 ms. Allocated memory was 198.2 MB in the beginning and 1.1 GB in the end (delta: 920.1 MB). Free memory was 145.3 MB in the beginning and 740.7 MB in the end (delta: -595.4 MB). Peak memory consumption was 324.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:51:15,953 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 130.0 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 384.00 ms. Allocated memory was 130.0 MB in the beginning and 198.2 MB in the end (delta: 68.2 MB). Free memory was 85.0 MB in the beginning and 174.7 MB in the end (delta: -89.7 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.12 ms. Allocated memory is still 198.2 MB. Free memory was 174.7 MB in the beginning and 172.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 498.67 ms. Allocated memory is still 198.2 MB. Free memory was 172.3 MB in the beginning and 145.9 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 15494.06 ms. Allocated memory was 198.2 MB in the beginning and 1.1 GB in the end (delta: 920.1 MB). Free memory was 145.3 MB in the beginning and 740.7 MB in the end (delta: -595.4 MB). Peak memory consumption was 324.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 9]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L14] int q_buf_0 ; [L15] int q_free ; [L16] int q_read_ev ; [L17] int q_write_ev ; [L18] int p_num_write ; [L19] int p_last_write ; [L20] int p_dw_st ; [L21] int p_dw_pc ; [L22] int p_dw_i ; [L23] int c_num_read ; [L24] int c_last_read ; [L25] int c_dr_st ; [L26] int c_dr_pc ; [L27] int c_dr_i ; [L134] static int a_t ; [L350] int __retres1 ; [L354] CALL init_model() [L336] q_free = 1 [L337] q_write_ev = 2 [L338] q_read_ev = q_write_ev [L339] p_num_write = 0 [L340] p_dw_pc = 0 [L341] p_dw_i = 1 [L342] c_num_read = 0 [L343] c_dr_pc = 0 [L344] c_dr_i = 1 [L354] RET init_model() [L355] CALL start_simulation() [L304] int kernel_st ; [L305] int tmp ; [L309] kernel_st = 0 [L310] CALL init_threads() [L196] COND TRUE (int )p_dw_i == 1 [L197] p_dw_st = 0 [L201] COND TRUE (int )c_dr_i == 1 [L202] c_dr_st = 0 [L310] RET init_threads() [L313] COND TRUE 1 [L316] kernel_st = 1 [L317] CALL eval() [L231] int tmp ; [L232] int tmp___0 ; [L233] int tmp___1 ; [L237] COND TRUE 1 [L240] CALL, EXPR exists_runnable_thread() [L211] int __retres1 ; [L214] COND TRUE (int )p_dw_st == 0 [L215] __retres1 = 1 [L227] return (__retres1); [L240] RET, EXPR exists_runnable_thread() [L240] tmp___1 = exists_runnable_thread() [L242] COND TRUE \read(tmp___1) [L247] COND TRUE (int )p_dw_st == 0 [L249] tmp = __VERIFIER_nondet_int() [L251] COND TRUE \read(tmp) [L253] p_dw_st = 1 [L254] CALL do_write_p() [L96] COND TRUE (int )p_dw_pc == 0 [L107] COND TRUE 1 [L109] COND FALSE !((int )q_free == 0) [L119] q_buf_0 = __VERIFIER_nondet_int() [L120] p_last_write = q_buf_0 [L121] p_num_write += 1 [L122] q_free = 0 [L123] q_write_ev = 1 [L124] CALL immediate_notify_threads() [L67] int tmp ; [L68] int tmp___0 ; [L72] CALL, EXPR is_do_write_p_triggered() [L29] int __retres1 ; [L32] COND FALSE !((int )p_dw_pc == 1) [L42] __retres1 = 0 [L44] return (__retres1); [L72] RET, EXPR is_do_write_p_triggered() [L72] tmp = is_do_write_p_triggered() [L74] COND FALSE !(\read(tmp)) [L80] CALL, EXPR is_do_read_c_triggered() [L48] int __retres1 ; [L51] COND FALSE !((int )c_dr_pc == 1) [L61] __retres1 = 0 [L63] return (__retres1); [L80] RET, EXPR is_do_read_c_triggered() [L80] tmp___0 = is_do_read_c_triggered() [L82] COND FALSE !(\read(tmp___0)) [L124] RET immediate_notify_threads() [L125] q_write_ev = 2 [L107] COND TRUE 1 [L109] COND TRUE (int )q_free == 0 [L110] p_dw_st = 2 [L111] p_dw_pc = 1 [L254] RET do_write_p() [L262] COND TRUE (int )c_dr_st == 0 [L264] tmp___0 = __VERIFIER_nondet_int() [L266] COND TRUE \read(tmp___0) [L268] c_dr_st = 1 [L269] CALL do_read_c() [L136] int a ; [L139] COND TRUE (int )c_dr_pc == 0 [L150] COND TRUE 1 [L152] COND FALSE !((int )q_free == 1) [L164] a = q_buf_0 [L165] c_last_read = a [L166] c_num_read += 1 [L167] q_free = 1 [L168] q_read_ev = 1 [L169] CALL immediate_notify_threads() [L67] int tmp ; [L68] int tmp___0 ; [L72] CALL, EXPR is_do_write_p_triggered() [L29] int __retres1 ; [L32] COND TRUE (int )p_dw_pc == 1 [L33] COND TRUE (int )q_read_ev == 1 [L34] __retres1 = 1 [L44] return (__retres1); [L72] RET, EXPR is_do_write_p_triggered() [L72] tmp = is_do_write_p_triggered() [L74] COND TRUE \read(tmp) [L75] p_dw_st = 0 [L80] CALL, EXPR is_do_read_c_triggered() [L48] int __retres1 ; [L51] COND FALSE !((int )c_dr_pc == 1) [L61] __retres1 = 0 [L63] return (__retres1); [L80] RET, EXPR is_do_read_c_triggered() [L80] tmp___0 = is_do_read_c_triggered() [L82] COND FALSE !(\read(tmp___0)) [L169] RET immediate_notify_threads() [L170] q_read_ev = 2 [L172] COND FALSE !(p_last_write == c_last_read) [L182] CALL error() [L9] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...