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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/systemc/token_ring.01.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:52:50,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:52:50,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:52:50,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:52:50,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:52:50,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:52:50,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:52:50,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:52:50,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:52:50,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:52:50,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:52:50,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:52:50,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:52:50,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:52:50,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:52:50,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:52:50,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:52:50,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:52:50,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:52:50,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:52:50,356 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:52:50,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:52:50,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:52:50,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:52:50,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:52:50,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 04:52:50,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 04:52:50,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 04:52:50,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 04:52:50,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 04:52:50,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 04:52:50,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 04:52:50,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 04:52:50,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:52:50,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:52:50,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:52:50,374 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 04:52:50,397 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:52:50,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:52:50,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:52:50,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:52:50,399 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:52:50,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:52:50,399 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:52:50,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:52:50,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:52:50,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:52:50,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:52:50,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:52:50,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:52:50,401 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:52:50,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:52:50,401 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:52:50,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:52:50,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:52:50,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:52:50,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:52:50,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:52:50,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:52:50,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:52:50,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:52:50,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:52:50,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:52:50,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:52:50,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:52:50,404 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-15 04:52:50,689 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:52:50,705 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:52:50,709 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:52:50,711 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:52:50,711 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:52:50,712 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2019-10-15 04:52:50,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c67546f6e/8a59faaaade042b3aac1cad53ca066ee/FLAGced6cb01f [2019-10-15 04:52:51,204 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:52:51,204 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2019-10-15 04:52:51,214 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c67546f6e/8a59faaaade042b3aac1cad53ca066ee/FLAGced6cb01f [2019-10-15 04:52:51,564 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c67546f6e/8a59faaaade042b3aac1cad53ca066ee [2019-10-15 04:52:51,572 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:52:51,574 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:52:51,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:52:51,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:52:51,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:52:51,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:52:51" (1/1) ... [2019-10-15 04:52:51,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d6b04c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:52:51, skipping insertion in model container [2019-10-15 04:52:51,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:52:51" (1/1) ... [2019-10-15 04:52:51,592 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:52:51,651 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:52:51,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:52:51,935 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:52:51,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:52:52,092 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:52:52,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:52:52 WrapperNode [2019-10-15 04:52:52,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:52:52,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:52:52,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:52:52,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:52:52,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:52:52" (1/1) ... [2019-10-15 04:52:52,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:52:52" (1/1) ... [2019-10-15 04:52:52,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:52:52" (1/1) ... [2019-10-15 04:52:52,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:52:52" (1/1) ... [2019-10-15 04:52:52,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:52:52" (1/1) ... [2019-10-15 04:52:52,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:52:52" (1/1) ... [2019-10-15 04:52:52,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:52:52" (1/1) ... [2019-10-15 04:52:52,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:52:52,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:52:52,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:52:52,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:52:52,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:52:52" (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 [2019-10-15 04:52:52,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:52:52,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:52:52,196 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-10-15 04:52:52,196 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-10-15 04:52:52,196 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-10-15 04:52:52,197 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-10-15 04:52:52,197 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-10-15 04:52:52,197 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-10-15 04:52:52,197 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-10-15 04:52:52,197 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-10-15 04:52:52,197 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-10-15 04:52:52,198 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-10-15 04:52:52,198 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-10-15 04:52:52,198 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-10-15 04:52:52,198 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-10-15 04:52:52,198 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-10-15 04:52:52,199 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-10-15 04:52:52,199 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-10-15 04:52:52,199 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-10-15 04:52:52,199 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-10-15 04:52:52,199 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:52:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:52:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-10-15 04:52:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-10-15 04:52:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-10-15 04:52:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-10-15 04:52:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:52:52,201 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-10-15 04:52:52,201 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-10-15 04:52:52,201 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-10-15 04:52:52,201 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-10-15 04:52:52,201 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-10-15 04:52:52,201 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-10-15 04:52:52,201 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-10-15 04:52:52,202 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-10-15 04:52:52,202 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-10-15 04:52:52,202 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-10-15 04:52:52,202 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-10-15 04:52:52,202 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-10-15 04:52:52,202 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-10-15 04:52:52,203 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-10-15 04:52:52,203 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:52:52,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:52:52,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:52:52,733 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:52:52,733 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 04:52:52,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:52:52 BoogieIcfgContainer [2019-10-15 04:52:52,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:52:52,735 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:52:52,735 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:52:52,736 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:52:52,737 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:52:52" (1/1) ... [2019-10-15 04:52:52,771 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:52:59,364 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:52:59,430 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. [2019-10-15 04:52:59,430 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:52:59,435 INFO L168 Benchmark]: Toolchain (without parser) took 7858.54 ms. Allocated memory was 137.9 MB in the beginning and 444.1 MB in the end (delta: 306.2 MB). Free memory was 102.6 MB in the beginning and 201.4 MB in the end (delta: -98.8 MB). Peak memory consumption was 207.3 MB. Max. memory is 7.1 GB. [2019-10-15 04:52:59,436 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 04:52:59,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 518.19 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 102.2 MB in the beginning and 179.9 MB in the end (delta: -77.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-10-15 04:52:59,440 INFO L168 Benchmark]: Boogie Preprocessor took 45.85 ms. Allocated memory is still 202.4 MB. Free memory was 179.9 MB in the beginning and 177.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-10-15 04:52:59,444 INFO L168 Benchmark]: RCFGBuilder took 594.95 ms. Allocated memory is still 202.4 MB. Free memory was 177.5 MB in the beginning and 145.8 MB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. [2019-10-15 04:52:59,445 INFO L168 Benchmark]: Abstract Interpretation took 6695.12 ms. Allocated memory was 202.4 MB in the beginning and 444.1 MB in the end (delta: 241.7 MB). Free memory was 145.8 MB in the beginning and 201.4 MB in the end (delta: -55.6 MB). Peak memory consumption was 186.1 MB. Max. memory is 7.1 GB. [2019-10-15 04:52:59,459 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory is still 120.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 518.19 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 102.2 MB in the beginning and 179.9 MB in the end (delta: -77.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.85 ms. Allocated memory is still 202.4 MB. Free memory was 179.9 MB in the beginning and 177.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 594.95 ms. Allocated memory is still 202.4 MB. Free memory was 177.5 MB in the beginning and 145.8 MB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 6695.12 ms. Allocated memory was 202.4 MB in the beginning and 444.1 MB in the end (delta: 241.7 MB). Free memory was 145.8 MB in the beginning and 201.4 MB in the end (delta: -55.6 MB). Peak memory consumption was 186.1 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...