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/toy.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 12:55:38,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 12:55:38,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 12:55:38,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 12:55:38,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 12:55:38,821 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 12:55:38,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 12:55:38,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 12:55:38,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 12:55:38,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 12:55:38,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 12:55:38,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 12:55:38,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 12:55:38,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 12:55:38,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 12:55:38,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 12:55:38,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 12:55:38,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 12:55:38,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 12:55:38,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 12:55:38,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 12:55:38,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 12:55:38,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 12:55:38,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 12:55:38,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 12:55:38,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 12:55:38,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 12:55:38,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 12:55:38,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 12:55:38,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 12:55:38,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 12:55:38,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 12:55:38,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 12:55:38,851 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 12:55:38,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 12:55:38,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 12:55:38,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 12:55:38,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 12:55:38,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 12:55:38,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 12:55:38,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 12:55:38,856 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 12:55:38,883 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 12:55:38,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 12:55:38,884 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 12:55:38,884 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 12:55:38,885 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 12:55:38,886 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 12:55:38,886 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 12:55:38,886 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 12:55:38,886 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 12:55:38,886 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 12:55:38,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 12:55:38,889 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 12:55:38,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 12:55:38,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 12:55:38,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 12:55:38,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 12:55:38,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 12:55:38,890 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 12:55:38,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 12:55:38,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 12:55:38,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 12:55:38,891 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 12:55:38,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 12:55:38,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:55:38,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 12:55:38,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 12:55:38,893 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 12:55:38,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 12:55:38,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 12:55:38,893 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 12:55:38,925 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 12:55:38,938 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 12:55:38,942 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 12:55:38,943 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 12:55:38,944 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 12:55:38,944 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/toy.cil.c [2019-10-03 12:55:39,006 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72bff0af4/e61f5dd99ccd4593b448842d2f1c7cb8/FLAG1793f3d4e [2019-10-03 12:55:39,477 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 12:55:39,477 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/toy.cil.c [2019-10-03 12:55:39,493 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72bff0af4/e61f5dd99ccd4593b448842d2f1c7cb8/FLAG1793f3d4e [2019-10-03 12:55:39,845 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72bff0af4/e61f5dd99ccd4593b448842d2f1c7cb8 [2019-10-03 12:55:39,855 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 12:55:39,857 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 12:55:39,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 12:55:39,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 12:55:39,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 12:55:39,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:55:39" (1/1) ... [2019-10-03 12:55:39,866 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 12:55:39, skipping insertion in model container [2019-10-03 12:55:39,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:55:39" (1/1) ... [2019-10-03 12:55:39,874 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 12:55:39,919 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 12:55:40,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:55:40,191 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 12:55:40,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:55:40,355 INFO L192 MainTranslator]: Completed translation [2019-10-03 12:55:40,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:55:40 WrapperNode [2019-10-03 12:55:40,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 12:55:40,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 12:55:40,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 12:55:40,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 12:55:40,366 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 12:55:40,366 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 12:55:40,374 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 12:55:40,375 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 12:55:40,397 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 12:55:40,420 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 12:55:40,423 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 12:55:40,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 12:55:40,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 12:55:40,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 12:55:40,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 12:55:40,429 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 12:55:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 12:55:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 12:55:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-10-03 12:55:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure write_loop [2019-10-03 12:55:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure compute1 [2019-10-03 12:55:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure compute2 [2019-10-03 12:55:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure write_back [2019-10-03 12:55:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure read [2019-10-03 12:55:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-10-03 12:55:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-10-03 12:55:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 12:55:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 12:55:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 12:55:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-10-03 12:55:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure write_loop [2019-10-03 12:55:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure compute1 [2019-10-03 12:55:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure compute2 [2019-10-03 12:55:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure write_back [2019-10-03 12:55:40,503 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-10-03 12:55:40,503 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-10-03 12:55:40,503 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-10-03 12:55:40,503 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 12:55:40,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 12:55:40,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 12:55:41,221 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 12:55:41,221 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-03 12:55:41,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:55:41 BoogieIcfgContainer [2019-10-03 12:55:41,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 12:55:41,224 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 12:55:41,224 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 12:55:41,224 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 12:55:41,225 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 12:55:41,259 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 12:56:13,212 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-03 12:56:13,239 INFO L272 AbstractInterpreter]: Visited 251 different actions 93693 times. Merged at 131 different actions 29164 times. Widened at 7 different actions 230 times. Performed 445254 root evaluator evaluations with a maximum evaluation depth of 4. Performed 445254 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 17114 fixpoints after 88 different actions. Largest state had 68 variables. [2019-10-03 12:56:13,239 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 12:56:13,241 INFO L168 Benchmark]: Toolchain (without parser) took 33383.56 ms. Allocated memory was 138.9 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 84.5 MB in the beginning and 433.3 MB in the end (delta: -348.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2019-10-03 12:56:13,242 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 12:56:13,244 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.37 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 84.3 MB in the beginning and 173.9 MB in the end (delta: -89.7 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2019-10-03 12:56:13,246 INFO L168 Benchmark]: Boogie Preprocessor took 71.65 ms. Allocated memory is still 198.7 MB. Free memory was 173.9 MB in the beginning and 171.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-10-03 12:56:13,247 INFO L168 Benchmark]: RCFGBuilder took 795.50 ms. Allocated memory is still 198.7 MB. Free memory was 170.8 MB in the beginning and 127.9 MB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 7.1 GB. [2019-10-03 12:56:13,248 INFO L168 Benchmark]: Abstract Interpretation took 32015.08 ms. Allocated memory was 198.7 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 127.9 MB in the beginning and 433.3 MB in the end (delta: -305.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2019-10-03 12:56:13,255 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 138.9 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 497.37 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 84.3 MB in the beginning and 173.9 MB in the end (delta: -89.7 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.65 ms. Allocated memory is still 198.7 MB. Free memory was 173.9 MB in the beginning and 171.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 795.50 ms. Allocated memory is still 198.7 MB. Free memory was 170.8 MB in the beginning and 127.9 MB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 32015.08 ms. Allocated memory was 198.7 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 127.9 MB in the beginning and 433.3 MB in the end (delta: -305.3 MB). Peak memory consumption was 1.3 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 ; [L683] int __retres1 ; [L687] e_wl = 2 [L688] e_c = e_wl [L689] e_g = e_c [L690] e_f = e_g [L691] e_e = e_f [L692] wl_pc = 0 [L693] c1_pc = 0 [L694] c2_pc = 0 [L695] wb_pc = 0 [L696] wb_i = 1 [L697] c2_i = wb_i [L698] c1_i = c2_i [L699] wl_i = c1_i [L700] r_i = 0 [L701] c_req_up = 0 [L702] d = 0 [L703] c = 0 [L704] CALL start_simulation() [L394] int kernel_st ; [L397] kernel_st = 0 [L398] COND FALSE !((int )c_req_up == 1) [L409] COND TRUE (int )wl_i == 1 [L410] wl_st = 0 [L414] COND TRUE (int )c1_i == 1 [L415] c1_st = 0 [L419] COND TRUE (int )c2_i == 1 [L420] c2_st = 0 [L424] COND TRUE (int )wb_i == 1 [L425] wb_st = 0 [L429] COND FALSE !((int )r_i == 1) [L432] r_st = 2 [L434] COND FALSE !((int )e_f == 0) [L439] COND FALSE !((int )e_g == 0) [L444] COND FALSE !((int )e_e == 0) [L449] COND FALSE !((int )e_c == 0) [L454] COND FALSE !((int )e_wl == 0) [L459] COND FALSE !((int )wl_pc == 1) [L467] COND FALSE !((int )wl_pc == 2) [L477] COND FALSE !((int )c1_pc == 1) [L486] COND FALSE !((int )c2_pc == 1) [L495] COND FALSE !((int )wb_pc == 1) [L504] COND FALSE !((int )e_c == 1) [L509] COND FALSE !((int )e_e == 1) [L514] COND FALSE !((int )e_f == 1) [L519] COND FALSE !((int )e_g == 1) [L524] COND FALSE !((int )e_c == 1) [L529] COND FALSE !((int )e_wl == 1) [L535] COND TRUE 1 [L538] kernel_st = 1 [L539] CALL eval() [L280] int tmp ; [L281] int tmp___0 ; [L282] int tmp___1 ; [L283] int tmp___2 ; [L284] int tmp___3 ; [L288] COND TRUE 1 [L290] COND TRUE (int )wl_st == 0 [L311] COND TRUE (int )wl_st == 0 [L313] tmp = __VERIFIER_nondet_int() [L315] COND FALSE !(\read(tmp)) [L326] COND TRUE (int )c1_st == 0 [L328] tmp___0 = __VERIFIER_nondet_int() [L330] COND FALSE !(\read(tmp___0)) [L341] COND TRUE (int )c2_st == 0 [L343] tmp___1 = __VERIFIER_nondet_int() [L345] COND TRUE \read(tmp___1) [L347] c2_st = 1 [L348] CALL compute2() [L176] COND TRUE (int )c2_pc == 0 [L187] COND TRUE 1 [L189] c2_st = 2 [L190] c2_pc = 1 [L348] RET compute2() [L356] COND TRUE (int )wb_st == 0 [L358] tmp___2 = __VERIFIER_nondet_int() [L360] COND FALSE !(\read(tmp___2)) [L371] COND FALSE !((int )r_st == 0) [L288] COND TRUE 1 [L290] COND TRUE (int )wl_st == 0 [L311] COND TRUE (int )wl_st == 0 [L313] tmp = __VERIFIER_nondet_int() [L315] COND TRUE \read(tmp) [L317] wl_st = 1 [L318] 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 [L318] RET write_loop() [L326] COND FALSE !((int )c1_st == 0) [L341] COND FALSE !((int )c2_st == 0) [L356] COND FALSE !((int )wb_st == 0) [L371] COND FALSE !((int )r_st == 0) [L288] COND TRUE 1 [L290] COND TRUE (int )wl_st == 0 [L311] COND TRUE (int )wl_st == 0 [L313] tmp = __VERIFIER_nondet_int() [L315] COND TRUE \read(tmp) [L317] wl_st = 1 [L318] 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...