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/toy2.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:48:33,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:48:33,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:48:33,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:48:33,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:48:33,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:48:33,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:48:33,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:48:33,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:48:33,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:48:33,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:48:33,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:48:33,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:48:33,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:48:33,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:48:33,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:48:33,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:48:33,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:48:33,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:48:33,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:48:33,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:48:33,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:48:33,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:48:33,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:48:33,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:48:33,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:48:33,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:48:33,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:48:33,576 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:48:33,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:48:33,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:48:33,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:48:33,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:48:33,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:48:33,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:48:33,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:48:33,581 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 [2019-09-11 16:48:33,595 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:48:33,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:48:33,595 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:48:33,596 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:48:33,596 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:48:33,596 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:48:33,597 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:48:33,597 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:48:33,597 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:48:33,597 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:48:33,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:48:33,598 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:48:33,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:48:33,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:48:33,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:48:33,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:48:33,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:48:33,599 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:48:33,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:48:33,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:48:33,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:48:33,600 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:48:33,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:48:33,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:48:33,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:48:33,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:48:33,601 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:48:33,601 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:48:33,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:48:33,601 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:48:33,636 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:48:33,648 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:48:33,651 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:48:33,652 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:48:33,655 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:48:33,656 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/toy2.cil.c [2019-09-11 16:48:33,713 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c383cbf2a/79fa8e48b9cf4321aecc3c246ac5e205/FLAG072351341 [2019-09-11 16:48:34,173 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:48:34,174 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/toy2.cil.c [2019-09-11 16:48:34,186 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c383cbf2a/79fa8e48b9cf4321aecc3c246ac5e205/FLAG072351341 [2019-09-11 16:48:34,555 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c383cbf2a/79fa8e48b9cf4321aecc3c246ac5e205 [2019-09-11 16:48:34,565 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:48:34,566 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:48:34,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:48:34,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:48:34,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:48:34,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:48:34" (1/1) ... [2019-09-11 16:48:34,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36c883f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:48:34, skipping insertion in model container [2019-09-11 16:48:34,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:48:34" (1/1) ... [2019-09-11 16:48:34,582 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:48:34,640 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:48:34,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:48:34,886 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:48:35,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:48:35,075 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:48:35,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:48:35 WrapperNode [2019-09-11 16:48:35,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:48:35,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:48:35,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:48:35,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:48:35,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:48:35" (1/1) ... [2019-09-11 16:48:35,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:48:35" (1/1) ... [2019-09-11 16:48:35,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:48:35" (1/1) ... [2019-09-11 16:48:35,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:48:35" (1/1) ... [2019-09-11 16:48:35,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:48:35" (1/1) ... [2019-09-11 16:48:35,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:48:35" (1/1) ... [2019-09-11 16:48:35,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:48:35" (1/1) ... [2019-09-11 16:48:35,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:48:35,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:48:35,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:48:35,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:48:35,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:48:35" (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 [2019-09-11 16:48:35,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:48:35,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:48:35,195 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-11 16:48:35,196 INFO L138 BoogieDeclarations]: Found implementation of procedure write_loop [2019-09-11 16:48:35,196 INFO L138 BoogieDeclarations]: Found implementation of procedure compute1 [2019-09-11 16:48:35,196 INFO L138 BoogieDeclarations]: Found implementation of procedure compute2 [2019-09-11 16:48:35,196 INFO L138 BoogieDeclarations]: Found implementation of procedure write_back [2019-09-11 16:48:35,196 INFO L138 BoogieDeclarations]: Found implementation of procedure read [2019-09-11 16:48:35,196 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-11 16:48:35,196 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-11 16:48:35,196 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:48:35,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:48:35,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-11 16:48:35,197 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-11 16:48:35,197 INFO L130 BoogieDeclarations]: Found specification of procedure write_loop [2019-09-11 16:48:35,197 INFO L130 BoogieDeclarations]: Found specification of procedure compute1 [2019-09-11 16:48:35,197 INFO L130 BoogieDeclarations]: Found specification of procedure compute2 [2019-09-11 16:48:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure write_back [2019-09-11 16:48:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 16:48:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-11 16:48:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-11 16:48:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:48:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:48:35,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:48:35,922 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:48:35,923 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-11 16:48:35,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:48:35 BoogieIcfgContainer [2019-09-11 16:48:35,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:48:35,925 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:48:35,925 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:48:35,926 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:48:35,927 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:48:35" (1/1) ... [2019-09-11 16:48:35,958 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:49:02,157 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:49:02,192 INFO L272 AbstractInterpreter]: Visited 249 different actions 81044 times. Merged at 131 different actions 25188 times. Widened at 7 different actions 221 times. Performed 384259 root evaluator evaluations with a maximum evaluation depth of 4. Performed 384259 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 14900 fixpoints after 85 different actions. Largest state had 68 variables. [2019-09-11 16:49:02,192 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:49:02,195 INFO L168 Benchmark]: Toolchain (without parser) took 27627.60 ms. Allocated memory was 143.7 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 91.5 MB in the beginning and 592.6 MB in the end (delta: -501.1 MB). Peak memory consumption was 969.5 MB. Max. memory is 7.1 GB. [2019-09-11 16:49:02,196 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 143.7 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:49:02,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 508.56 ms. Allocated memory was 143.7 MB in the beginning and 201.9 MB in the end (delta: 58.2 MB). Free memory was 91.3 MB in the beginning and 177.1 MB in the end (delta: -85.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2019-09-11 16:49:02,198 INFO L168 Benchmark]: Boogie Preprocessor took 55.37 ms. Allocated memory is still 201.9 MB. Free memory was 177.1 MB in the beginning and 174.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-09-11 16:49:02,199 INFO L168 Benchmark]: RCFGBuilder took 792.54 ms. Allocated memory is still 201.9 MB. Free memory was 174.3 MB in the beginning and 132.8 MB in the end (delta: 41.5 MB). Peak memory consumption was 41.5 MB. Max. memory is 7.1 GB. [2019-09-11 16:49:02,200 INFO L168 Benchmark]: Abstract Interpretation took 26266.92 ms. Allocated memory was 201.9 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 132.2 MB in the beginning and 592.6 MB in the end (delta: -460.4 MB). Peak memory consumption was 952.1 MB. Max. memory is 7.1 GB. [2019-09-11 16:49:02,205 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 143.7 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 508.56 ms. Allocated memory was 143.7 MB in the beginning and 201.9 MB in the end (delta: 58.2 MB). Free memory was 91.3 MB in the beginning and 177.1 MB in the end (delta: -85.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.37 ms. Allocated memory is still 201.9 MB. Free memory was 177.1 MB in the beginning and 174.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 792.54 ms. Allocated memory is still 201.9 MB. Free memory was 174.3 MB in the beginning and 132.8 MB in the end (delta: 41.5 MB). Peak memory consumption was 41.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 26266.92 ms. Allocated memory was 201.9 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 132.2 MB in the beginning and 592.6 MB in the end (delta: -460.4 MB). Peak memory consumption was 952.1 MB. 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 ; [L679] int __retres1 ; [L683] e_wl = 2 [L684] e_c = e_wl [L685] e_g = e_c [L686] e_f = e_g [L687] e_e = e_f [L688] wl_pc = 0 [L689] c1_pc = 0 [L690] c2_pc = 0 [L691] wb_pc = 0 [L692] wb_i = 1 [L693] c2_i = wb_i [L694] c1_i = c2_i [L695] wl_i = c1_i [L696] r_i = 0 [L697] c_req_up = 0 [L698] d = 0 [L699] c = 0 [L700] CALL start_simulation() [L390] int kernel_st ; [L393] kernel_st = 0 [L394] COND FALSE !((int )c_req_up == 1) [L405] COND TRUE (int )wl_i == 1 [L406] wl_st = 0 [L410] COND TRUE (int )c1_i == 1 [L411] c1_st = 0 [L415] COND TRUE (int )c2_i == 1 [L416] c2_st = 0 [L420] COND TRUE (int )wb_i == 1 [L421] wb_st = 0 [L425] COND FALSE !((int )r_i == 1) [L428] r_st = 2 [L430] COND FALSE !((int )e_f == 0) [L435] COND FALSE !((int )e_g == 0) [L440] COND FALSE !((int )e_e == 0) [L445] COND FALSE !((int )e_c == 0) [L450] COND FALSE !((int )e_wl == 0) [L455] COND FALSE !((int )wl_pc == 1) [L463] COND FALSE !((int )wl_pc == 2) [L473] COND FALSE !((int )c1_pc == 1) [L482] COND FALSE !((int )c2_pc == 1) [L491] COND FALSE !((int )wb_pc == 1) [L500] COND FALSE !((int )e_c == 1) [L505] COND FALSE !((int )e_e == 1) [L510] COND FALSE !((int )e_f == 1) [L515] COND FALSE !((int )e_g == 1) [L520] COND FALSE !((int )e_c == 1) [L525] COND FALSE !((int )e_wl == 1) [L531] COND TRUE 1 [L534] kernel_st = 1 [L535] CALL eval() [L276] int tmp ; [L277] int tmp___0 ; [L278] int tmp___1 ; [L279] int tmp___2 ; [L280] int tmp___3 ; [L284] COND TRUE 1 [L286] COND TRUE (int )wl_st == 0 [L307] COND TRUE (int )wl_st == 0 [L309] tmp = __VERIFIER_nondet_int() [L311] COND FALSE !(\read(tmp)) [L322] COND TRUE (int )c1_st == 0 [L324] tmp___0 = __VERIFIER_nondet_int() [L326] COND FALSE !(\read(tmp___0)) [L337] COND TRUE (int )c2_st == 0 [L339] tmp___1 = __VERIFIER_nondet_int() [L341] COND TRUE \read(tmp___1) [L343] c2_st = 1 [L344] CALL compute2() [L172] COND TRUE (int )c2_pc == 0 [L183] COND TRUE 1 [L185] c2_st = 2 [L186] c2_pc = 1 [L344] RET compute2() [L352] COND TRUE (int )wb_st == 0 [L354] tmp___2 = __VERIFIER_nondet_int() [L356] COND FALSE !(\read(tmp___2)) [L367] COND FALSE !((int )r_st == 0) [L284] COND TRUE 1 [L286] COND TRUE (int )wl_st == 0 [L307] COND TRUE (int )wl_st == 0 [L309] tmp = __VERIFIER_nondet_int() [L311] COND TRUE \read(tmp) [L313] wl_st = 1 [L314] 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 [L314] RET write_loop() [L322] COND FALSE !((int )c1_st == 0) [L337] COND FALSE !((int )c2_st == 0) [L352] COND FALSE !((int )wb_st == 0) [L367] COND FALSE !((int )r_st == 0) [L284] COND TRUE 1 [L286] COND TRUE (int )wl_st == 0 [L307] COND TRUE (int )wl_st == 0 [L309] tmp = __VERIFIER_nondet_int() [L311] COND TRUE \read(tmp) [L313] wl_st = 1 [L314] 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) [L113] CALL error() [L13] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...