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/toy1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 12:55:39,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 12:55:39,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 12:55:39,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 12:55:39,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 12:55:39,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 12:55:39,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 12:55:39,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 12:55:39,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 12:55:39,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 12:55:39,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 12:55:39,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 12:55:39,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 12:55:39,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 12:55:39,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 12:55:39,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 12:55:39,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 12:55:39,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 12:55:39,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 12:55:39,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 12:55:39,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 12:55:39,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 12:55:39,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 12:55:39,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 12:55:39,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-03 12:55:39,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 12:55:39,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 12:55:39,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 12:55:39,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 12:55:39,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 12:55:39,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 12:55:39,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 12:55:39,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 12:55:39,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 12:55:39,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 12:55:39,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 12:55:39,417 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 12:55:39,431 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 12:55:39,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 12:55:39,431 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 12:55:39,432 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 12:55:39,432 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 12:55:39,433 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 12:55:39,433 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 12:55:39,433 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 12:55:39,433 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 12:55:39,433 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 12:55:39,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 12:55:39,434 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 12:55:39,434 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 12:55:39,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 12:55:39,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 12:55:39,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 12:55:39,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 12:55:39,435 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 12:55:39,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 12:55:39,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 12:55:39,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 12:55:39,436 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 12:55:39,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 12:55:39,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:55:39,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 12:55:39,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 12:55:39,437 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 12:55:39,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 12:55:39,438 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 12:55:39,438 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 12:55:39,466 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 12:55:39,479 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 12:55:39,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 12:55:39,484 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 12:55:39,484 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 12:55:39,485 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/toy1.cil.c [2019-10-03 12:55:39,544 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f13bb497/cf07c461a6d94e3d9fb6d9f30a30da80/FLAG11843672a [2019-10-03 12:55:39,988 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 12:55:39,989 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/toy1.cil.c [2019-10-03 12:55:40,006 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f13bb497/cf07c461a6d94e3d9fb6d9f30a30da80/FLAG11843672a [2019-10-03 12:55:40,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f13bb497/cf07c461a6d94e3d9fb6d9f30a30da80 [2019-10-03 12:55:40,363 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 12:55:40,364 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 12:55:40,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 12:55:40,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 12:55:40,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 12:55:40,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:55:40" (1/1) ... [2019-10-03 12:55:40,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d4f7f74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:55:40, skipping insertion in model container [2019-10-03 12:55:40,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:55:40" (1/1) ... [2019-10-03 12:55:40,381 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 12:55:40,424 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 12:55:40,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:55:40,654 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 12:55:40,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:55:40,822 INFO L192 MainTranslator]: Completed translation [2019-10-03 12:55:40,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:55:40 WrapperNode [2019-10-03 12:55:40,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 12:55:40,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 12:55:40,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 12:55:40,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 12:55:40,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:55:40" (1/1) ... [2019-10-03 12:55:40,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:55:40" (1/1) ... [2019-10-03 12:55:40,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:55:40" (1/1) ... [2019-10-03 12:55:40,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:55:40" (1/1) ... [2019-10-03 12:55:40,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:55:40" (1/1) ... [2019-10-03 12:55:40,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:55:40" (1/1) ... [2019-10-03 12:55:40,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:55:40" (1/1) ... [2019-10-03 12:55:40,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 12:55:40,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 12:55:40,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 12:55:40,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 12:55:40,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:55:40" (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 12:55:40,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 12:55:40,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 12:55:40,948 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-10-03 12:55:40,948 INFO L138 BoogieDeclarations]: Found implementation of procedure write_loop [2019-10-03 12:55:40,948 INFO L138 BoogieDeclarations]: Found implementation of procedure compute1 [2019-10-03 12:55:40,948 INFO L138 BoogieDeclarations]: Found implementation of procedure compute2 [2019-10-03 12:55:40,949 INFO L138 BoogieDeclarations]: Found implementation of procedure write_back [2019-10-03 12:55:40,949 INFO L138 BoogieDeclarations]: Found implementation of procedure read [2019-10-03 12:55:40,949 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-10-03 12:55:40,949 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-10-03 12:55:40,949 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 12:55:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 12:55:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 12:55:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-10-03 12:55:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure write_loop [2019-10-03 12:55:40,951 INFO L130 BoogieDeclarations]: Found specification of procedure compute1 [2019-10-03 12:55:40,951 INFO L130 BoogieDeclarations]: Found specification of procedure compute2 [2019-10-03 12:55:40,951 INFO L130 BoogieDeclarations]: Found specification of procedure write_back [2019-10-03 12:55:40,952 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-10-03 12:55:40,952 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-10-03 12:55:40,953 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-10-03 12:55:40,953 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 12:55:40,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 12:55:40,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 12:55:41,600 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 12:55:41,601 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-03 12:55:41,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:55:41 BoogieIcfgContainer [2019-10-03 12:55:41,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 12:55:41,603 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 12:55:41,603 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 12:55:41,604 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 12:55:41,604 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:55:41" (1/1) ... [2019-10-03 12:55:41,636 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 12:56:31,299 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-03 12:56:31,331 INFO L272 AbstractInterpreter]: Visited 254 different actions 149482 times. Merged at 134 different actions 45071 times. Widened at 7 different actions 335 times. Performed 730132 root evaluator evaluations with a maximum evaluation depth of 4. Performed 730132 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 27926 fixpoints after 86 different actions. Largest state had 68 variables. [2019-10-03 12:56:31,331 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 12:56:31,334 INFO L168 Benchmark]: Toolchain (without parser) took 50968.44 ms. Allocated memory was 138.4 MB in the beginning and 2.5 GB in the end (delta: 2.3 GB). Free memory was 85.3 MB in the beginning and 1.0 GB in the end (delta: -963.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2019-10-03 12:56:31,335 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 12:56:31,336 INFO L168 Benchmark]: CACSL2BoogieTranslator took 457.64 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 85.1 MB in the beginning and 173.4 MB in the end (delta: -88.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2019-10-03 12:56:31,338 INFO L168 Benchmark]: Boogie Preprocessor took 51.55 ms. Allocated memory is still 198.7 MB. Free memory was 173.4 MB in the beginning and 170.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-10-03 12:56:31,339 INFO L168 Benchmark]: RCFGBuilder took 727.95 ms. Allocated memory is still 198.7 MB. Free memory was 170.9 MB in the beginning and 127.2 MB in the end (delta: 43.7 MB). Peak memory consumption was 43.7 MB. Max. memory is 7.1 GB. [2019-10-03 12:56:31,340 INFO L168 Benchmark]: Abstract Interpretation took 49727.91 ms. Allocated memory was 198.7 MB in the beginning and 2.5 GB in the end (delta: 2.3 GB). Free memory was 127.2 MB in the beginning and 1.0 GB in the end (delta: -921.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2019-10-03 12:56:31,344 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 138.4 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 457.64 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 85.1 MB in the beginning and 173.4 MB in the end (delta: -88.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.55 ms. Allocated memory is still 198.7 MB. Free memory was 173.4 MB in the beginning and 170.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 727.95 ms. Allocated memory is still 198.7 MB. Free memory was 170.9 MB in the beginning and 127.2 MB in the end (delta: 43.7 MB). Peak memory consumption was 43.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 49727.91 ms. Allocated memory was 198.7 MB in the beginning and 2.5 GB in the end (delta: 2.3 GB). Free memory was 127.2 MB in the beginning and 1.0 GB in the end (delta: -921.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 13]: 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: [L18] int c ; [L19] int c_t ; [L20] int c_req_up ; [L21] int p_in ; [L22] int p_out ; [L23] int wl_st ; [L24] int c1_st ; [L25] int c2_st ; [L26] int wb_st ; [L27] int r_st ; [L28] int wl_i ; [L29] int c1_i ; [L30] int c2_i ; [L31] int wb_i ; [L32] int r_i ; [L33] int wl_pc ; [L34] int c1_pc ; [L35] int c2_pc ; [L36] int wb_pc ; [L37] int e_e ; [L38] int e_f ; [L39] int e_g ; [L40] int e_c ; [L41] int e_p_in ; [L42] int e_wl ; [L48] int d ; [L49] int data ; [L50] int processed ; [L51] static int t_b ; [L691] int __retres1 ; [L695] e_wl = 2 [L696] e_c = e_wl [L697] e_g = e_c [L698] e_f = e_g [L699] e_e = e_f [L700] wl_pc = 0 [L701] c1_pc = 0 [L702] c2_pc = 0 [L703] wb_pc = 0 [L704] wb_i = 1 [L705] c2_i = wb_i [L706] c1_i = c2_i [L707] wl_i = c1_i [L708] r_i = 0 [L709] c_req_up = 0 [L710] d = 0 [L711] c = 0 [L712] CALL start_simulation() [L402] int kernel_st ; [L405] kernel_st = 0 [L406] COND FALSE !((int )c_req_up == 1) [L417] COND TRUE (int )wl_i == 1 [L418] wl_st = 0 [L422] COND TRUE (int )c1_i == 1 [L423] c1_st = 0 [L427] COND TRUE (int )c2_i == 1 [L428] c2_st = 0 [L432] COND TRUE (int )wb_i == 1 [L433] wb_st = 0 [L437] COND FALSE !((int )r_i == 1) [L440] r_st = 2 [L442] COND FALSE !((int )e_f == 0) [L447] COND FALSE !((int )e_g == 0) [L452] COND FALSE !((int )e_e == 0) [L457] COND FALSE !((int )e_c == 0) [L462] COND FALSE !((int )e_wl == 0) [L467] COND FALSE !((int )wl_pc == 1) [L475] COND FALSE !((int )wl_pc == 2) [L485] COND FALSE !((int )c1_pc == 1) [L494] COND FALSE !((int )c2_pc == 1) [L503] COND FALSE !((int )wb_pc == 1) [L512] COND FALSE !((int )e_c == 1) [L517] COND FALSE !((int )e_e == 1) [L522] COND FALSE !((int )e_f == 1) [L527] COND FALSE !((int )e_g == 1) [L532] COND FALSE !((int )e_c == 1) [L537] COND FALSE !((int )e_wl == 1) [L543] COND TRUE 1 [L546] kernel_st = 1 [L547] CALL eval() [L288] int tmp ; [L289] int tmp___0 ; [L290] int tmp___1 ; [L291] int tmp___2 ; [L292] int tmp___3 ; [L296] COND TRUE 1 [L298] COND TRUE (int )wl_st == 0 [L319] COND TRUE (int )wl_st == 0 [L321] tmp = __VERIFIER_nondet_int() [L323] COND FALSE !(\read(tmp)) [L334] COND TRUE (int )c1_st == 0 [L336] tmp___0 = __VERIFIER_nondet_int() [L338] COND FALSE !(\read(tmp___0)) [L349] COND TRUE (int )c2_st == 0 [L351] tmp___1 = __VERIFIER_nondet_int() [L353] COND TRUE \read(tmp___1) [L355] c2_st = 1 [L356] CALL compute2() [L184] COND TRUE (int )c2_pc == 0 [L195] COND TRUE 1 [L197] c2_st = 2 [L198] c2_pc = 1 [L356] RET compute2() [L364] COND TRUE (int )wb_st == 0 [L366] tmp___2 = __VERIFIER_nondet_int() [L368] COND FALSE !(\read(tmp___2)) [L379] COND FALSE !((int )r_st == 0) [L296] COND TRUE 1 [L298] COND TRUE (int )wl_st == 0 [L319] COND TRUE (int )wl_st == 0 [L321] tmp = __VERIFIER_nondet_int() [L323] COND TRUE \read(tmp) [L325] wl_st = 1 [L326] CALL write_loop() [L53] int t ; [L56] COND FALSE !((int )wl_pc == 0) [L59] COND FALSE !((int )wl_pc == 2) [L62] COND TRUE (int )wl_pc == 1 [L77] COND TRUE 1 [L79] t = d [L80] data = d [L81] processed = 0 [L82] e_f = 1 [L83] COND FALSE !((int )c1_pc == 1) [L92] COND FALSE !((int )c2_pc == 1) [L101] e_f = 2 [L102] wl_st = 2 [L103] wl_pc = 2 [L104] t_b = t [L326] RET write_loop() [L334] COND FALSE !((int )c1_st == 0) [L349] COND FALSE !((int )c2_st == 0) [L364] COND FALSE !((int )wb_st == 0) [L379] COND FALSE !((int )r_st == 0) [L296] COND TRUE 1 [L298] COND TRUE (int )wl_st == 0 [L319] COND TRUE (int )wl_st == 0 [L321] tmp = __VERIFIER_nondet_int() [L323] COND TRUE \read(tmp) [L325] wl_st = 1 [L326] CALL write_loop() [L53] int t ; [L56] COND FALSE !((int )wl_pc == 0) [L59] COND TRUE (int )wl_pc == 2 [L108] t = t_b [L109] COND FALSE !(d == t + 1) [L112] COND FALSE !(d == t + 2) [L116] CALL error() [L13] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...