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/token_ring.01.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:51:00,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:51:00,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:51:00,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:51:00,354 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:51:00,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:51:00,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:51:00,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:51:00,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:51:00,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:51:00,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:51:00,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:51:00,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:51:00,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:51:00,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:51:00,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:51:00,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:51:00,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:51:00,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:51:00,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:51:00,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:51:00,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:51:00,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:51:00,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:51:00,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:51:00,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:51:00,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:51:00,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:51:00,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:51:00,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:51:00,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:51:00,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:51:00,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:51:00,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:51:00,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:51:00,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:51:00,407 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 13:51:00,422 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:51:00,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:51:00,422 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:51:00,422 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:51:00,423 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:51:00,423 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:51:00,424 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:51:00,424 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:51:00,424 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:51:00,424 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:51:00,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:51:00,425 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:51:00,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:51:00,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:51:00,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:51:00,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:51:00,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:51:00,426 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:51:00,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:51:00,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:51:00,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:51:00,427 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:51:00,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:51:00,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:51:00,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:51:00,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:51:00,428 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:51:00,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:51:00,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:51:00,429 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:51:00,458 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:51:00,471 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:51:00,475 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:51:00,476 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:51:00,476 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:51:00,477 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2019-09-20 13:51:00,540 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/133b19ac7/6a284b73db8d43fba3cb4115da9c50ed/FLAG3cb6657f2 [2019-09-20 13:51:01,045 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:51:01,045 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2019-09-20 13:51:01,062 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/133b19ac7/6a284b73db8d43fba3cb4115da9c50ed/FLAG3cb6657f2 [2019-09-20 13:51:01,388 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/133b19ac7/6a284b73db8d43fba3cb4115da9c50ed [2019-09-20 13:51:01,397 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:51:01,399 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:51:01,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:51:01,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:51:01,404 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:51:01,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:51:01" (1/1) ... [2019-09-20 13:51:01,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e770697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:51:01, skipping insertion in model container [2019-09-20 13:51:01,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:51:01" (1/1) ... [2019-09-20 13:51:01,416 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:51:01,446 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:51:01,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:51:01,698 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:51:01,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:51:01,894 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:51:01,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:51:01 WrapperNode [2019-09-20 13:51:01,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:51:01,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:51:01,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:51:01,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:51:01,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:51:01" (1/1) ... [2019-09-20 13:51:01,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:51:01" (1/1) ... [2019-09-20 13:51:01,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:51:01" (1/1) ... [2019-09-20 13:51:01,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:51:01" (1/1) ... [2019-09-20 13:51:01,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:51:01" (1/1) ... [2019-09-20 13:51:01,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:51:01" (1/1) ... [2019-09-20 13:51:01,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:51:01" (1/1) ... [2019-09-20 13:51:01,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:51:01,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:51:01,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:51:01,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:51:01,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:51:01" (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 13:51:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:51:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:51:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 13:51:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-20 13:51:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-20 13:51:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-20 13:51:02,009 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-20 13:51:02,009 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 13:51:02,009 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 13:51:02,009 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 13:51:02,009 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 13:51:02,009 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 13:51:02,009 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 13:51:02,010 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 13:51:02,010 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-20 13:51:02,010 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 13:51:02,010 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 13:51:02,010 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 13:51:02,011 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 13:51:02,011 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 13:51:02,011 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:51:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:51:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 13:51:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-20 13:51:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-20 13:51:02,012 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-20 13:51:02,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:51:02,012 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-20 13:51:02,012 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-20 13:51:02,012 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 13:51:02,013 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 13:51:02,013 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 13:51:02,013 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 13:51:02,013 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 13:51:02,013 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 13:51:02,013 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 13:51:02,013 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 13:51:02,014 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 13:51:02,014 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 13:51:02,014 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 13:51:02,014 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 13:51:02,014 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:51:02,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:51:02,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:51:02,544 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:51:02,546 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 13:51:02,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:51:02 BoogieIcfgContainer [2019-09-20 13:51:02,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:51:02,549 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:51:02,549 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:51:02,550 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:51:02,551 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:51:02" (1/1) ... [2019-09-20 13:51:02,580 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:51:09,720 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:51:09,863 INFO L272 AbstractInterpreter]: Visited 205 different actions 27816 times. Merged at 89 different actions 9596 times. Widened at 5 different actions 43 times. Performed 88111 root evaluator evaluations with a maximum evaluation depth of 5. Performed 88111 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 2074 fixpoints after 36 different actions. Largest state had 30 variables. [2019-09-20 13:51:09,863 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:51:09,875 INFO L168 Benchmark]: Toolchain (without parser) took 8474.73 ms. Allocated memory was 137.4 MB in the beginning and 563.1 MB in the end (delta: 425.7 MB). Free memory was 84.3 MB in the beginning and 481.3 MB in the end (delta: -397.1 MB). Peak memory consumption was 366.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:51:09,876 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 137.4 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:51:09,877 INFO L168 Benchmark]: CACSL2BoogieTranslator took 495.50 ms. Allocated memory was 137.4 MB in the beginning and 198.2 MB in the end (delta: 60.8 MB). Free memory was 84.1 MB in the beginning and 173.5 MB in the end (delta: -89.5 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:51:09,878 INFO L168 Benchmark]: Boogie Preprocessor took 44.26 ms. Allocated memory is still 198.2 MB. Free memory was 173.5 MB in the beginning and 171.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:51:09,878 INFO L168 Benchmark]: RCFGBuilder took 608.07 ms. Allocated memory is still 198.2 MB. Free memory was 171.6 MB in the beginning and 138.9 MB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:51:09,879 INFO L168 Benchmark]: Abstract Interpretation took 7314.55 ms. Allocated memory was 198.2 MB in the beginning and 563.1 MB in the end (delta: 364.9 MB). Free memory was 138.9 MB in the beginning and 481.3 MB in the end (delta: -342.5 MB). Peak memory consumption was 360.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:51:09,884 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 137.4 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 495.50 ms. Allocated memory was 137.4 MB in the beginning and 198.2 MB in the end (delta: 60.8 MB). Free memory was 84.1 MB in the beginning and 173.5 MB in the end (delta: -89.5 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.26 ms. Allocated memory is still 198.2 MB. Free memory was 173.5 MB in the beginning and 171.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 608.07 ms. Allocated memory is still 198.2 MB. Free memory was 171.6 MB in the beginning and 138.9 MB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 7314.55 ms. Allocated memory was 198.2 MB in the beginning and 563.1 MB in the end (delta: 364.9 MB). Free memory was 138.9 MB in the beginning and 481.3 MB in the end (delta: -342.5 MB). Peak memory consumption was 360.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 10]: 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 m_pc = 0; [L15] int t1_pc = 0; [L16] int m_st ; [L17] int t1_st ; [L18] int m_i ; [L19] int t1_i ; [L20] int M_E = 2; [L21] int T1_E = 2; [L22] int E_M = 2; [L23] int E_1 = 2; [L27] int token ; [L29] int local ; [L475] int __retres1 ; [L479] CALL init_model() [L390] m_i = 1 [L391] t1_i = 1 [L479] RET init_model() [L480] CALL start_simulation() [L416] int kernel_st ; [L417] int tmp ; [L418] int tmp___0 ; [L422] kernel_st = 0 [L423] FCALL update_channels() [L424] CALL init_threads() [L172] COND TRUE m_i == 1 [L173] m_st = 0 [L177] COND TRUE t1_i == 1 [L178] t1_st = 0 [L424] RET init_threads() [L425] CALL fire_delta_events() [L261] COND FALSE !(M_E == 0) [L266] COND FALSE !(T1_E == 0) [L271] COND FALSE !(E_M == 0) [L276] COND FALSE !(E_1 == 0) [L425] RET fire_delta_events() [L426] CALL activate_threads() [L314] int tmp ; [L315] int tmp___0 ; [L319] CALL, EXPR is_master_triggered() [L123] int __retres1 ; [L126] COND FALSE !(m_pc == 1) [L136] __retres1 = 0 [L138] return (__retres1); [L319] RET, EXPR is_master_triggered() [L319] tmp = is_master_triggered() [L321] COND FALSE !(\read(tmp)) [L327] CALL, EXPR is_transmit1_triggered() [L142] int __retres1 ; [L145] COND FALSE !(t1_pc == 1) [L155] __retres1 = 0 [L157] return (__retres1); [L327] RET, EXPR is_transmit1_triggered() [L327] tmp___0 = is_transmit1_triggered() [L329] COND FALSE !(\read(tmp___0)) [L426] RET activate_threads() [L427] CALL reset_delta_events() [L289] COND FALSE !(M_E == 1) [L294] COND FALSE !(T1_E == 1) [L299] COND FALSE !(E_M == 1) [L304] COND FALSE !(E_1 == 1) [L427] RET reset_delta_events() [L430] COND TRUE 1 [L433] kernel_st = 1 [L434] CALL eval() [L208] int tmp ; [L212] COND TRUE 1 [L215] CALL, EXPR exists_runnable_thread() [L187] int __retres1 ; [L190] COND TRUE m_st == 0 [L191] __retres1 = 1 [L203] return (__retres1); [L215] RET, EXPR exists_runnable_thread() [L215] tmp = exists_runnable_thread() [L217] COND TRUE \read(tmp) [L222] COND TRUE m_st == 0 [L223] int tmp_ndt_1; [L224] tmp_ndt_1 = __VERIFIER_nondet_int() [L225] COND TRUE \read(tmp_ndt_1) [L227] m_st = 1 [L228] CALL master() [L32] int tmp_var = __VERIFIER_nondet_int(); [L34] COND TRUE m_pc == 0 [L45] COND TRUE 1 [L48] token = __VERIFIER_nondet_int() [L49] local = token [L50] E_1 = 1 [L51] CALL immediate_notify() [L343] CALL activate_threads() [L314] int tmp ; [L315] int tmp___0 ; [L319] CALL, EXPR is_master_triggered() [L123] int __retres1 ; [L126] COND FALSE !(m_pc == 1) [L136] __retres1 = 0 [L138] return (__retres1); [L319] RET, EXPR is_master_triggered() [L319] tmp = is_master_triggered() [L321] COND FALSE !(\read(tmp)) [L327] CALL, EXPR is_transmit1_triggered() [L142] int __retres1 ; [L145] COND FALSE !(t1_pc == 1) [L155] __retres1 = 0 [L157] return (__retres1); [L327] RET, EXPR is_transmit1_triggered() [L327] tmp___0 = is_transmit1_triggered() [L329] COND FALSE !(\read(tmp___0)) [L343] RET activate_threads() [L51] RET immediate_notify() [L52] E_1 = 2 [L53] m_pc = 1 [L54] m_st = 2 [L228] RET master() [L236] COND FALSE !(t1_st == 0) [L212] COND TRUE 1 [L215] CALL, EXPR exists_runnable_thread() [L187] int __retres1 ; [L190] COND TRUE m_st == 0 [L191] __retres1 = 1 [L203] return (__retres1); [L215] RET, EXPR exists_runnable_thread() [L215] tmp = exists_runnable_thread() [L217] COND TRUE \read(tmp) [L222] COND TRUE m_st == 0 [L223] int tmp_ndt_1; [L224] tmp_ndt_1 = __VERIFIER_nondet_int() [L225] COND TRUE \read(tmp_ndt_1) [L227] m_st = 1 [L228] CALL master() [L32] int tmp_var = __VERIFIER_nondet_int(); [L34] COND FALSE !(m_pc == 0) [L37] COND TRUE m_pc == 1 [L59] COND TRUE token != local + 1 [L61] CALL error() [L10] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...