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.02.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:52:51,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:52:51,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:52:51,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:52:51,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:52:51,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:52:51,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:52:51,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:52:51,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:52:51,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:52:51,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:52:51,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:52:51,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:52:51,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:52:51,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:52:51,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:52:51,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:52:51,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:52:51,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:52:51,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:52:51,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:52:51,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:52:51,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:52:51,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:52:51,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 04:52:51,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 04:52:51,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 04:52:51,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 04:52:51,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 04:52:51,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 04:52:51,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 04:52:51,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 04:52:51,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 04:52:51,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 04:52:51,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 04:52:51,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 04:52:51,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 04:52:51,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 04:52:51,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:52:51,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:52:51,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:52:51,221 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 04:52:51,254 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:52:51,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:52:51,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:52:51,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:52:51,256 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:52:51,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:52:51,256 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:52:51,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:52:51,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:52:51,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:52:51,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:52:51,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:52:51,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:52:51,261 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:52:51,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:52:51,261 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:52:51,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:52:51,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:52:51,262 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:52:51,262 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:52:51,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:52:51,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:52:51,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:52:51,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:52:51,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:52:51,263 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:52:51,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:52:51,263 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:52:51,263 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 04:52:51,536 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:52:51,550 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:52:51,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:52:51,555 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:52:51,555 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:52:51,556 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2019-10-15 04:52:51,632 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5dbe3bb3/b439694135084c9f8e6d900a6531f6b6/FLAG27d0c1733 [2019-10-15 04:52:52,131 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:52:52,132 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2019-10-15 04:52:52,148 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5dbe3bb3/b439694135084c9f8e6d900a6531f6b6/FLAG27d0c1733 [2019-10-15 04:52:52,476 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5dbe3bb3/b439694135084c9f8e6d900a6531f6b6 [2019-10-15 04:52:52,488 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:52:52,490 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:52:52,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:52:52,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:52:52,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:52:52,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:52:52" (1/1) ... [2019-10-15 04:52:52,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4563917c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:52:52, skipping insertion in model container [2019-10-15 04:52:52,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:52:52" (1/1) ... [2019-10-15 04:52:52,509 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:52:52,548 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:52:52,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:52:52,795 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:52:52,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:52:52,956 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:52:52,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:52:52 WrapperNode [2019-10-15 04:52:52,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:52:52,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:52:52,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:52:52,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:52:52,971 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 04:52:52,971 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 04:52:52,979 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 04:52:52,980 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 04:52:52,994 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 04:52:53,007 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 04:52:53,009 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 04:52:53,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:52:53,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:52:53,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:52:53,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:52:53,016 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 04:52:53,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:52:53,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:52:53,081 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-10-15 04:52:53,081 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-10-15 04:52:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-10-15 04:52:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-10-15 04:52:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-10-15 04:52:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-10-15 04:52:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-10-15 04:52:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-10-15 04:52:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-10-15 04:52:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-10-15 04:52:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-10-15 04:52:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-10-15 04:52:53,083 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-10-15 04:52:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-10-15 04:52:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-10-15 04:52:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-10-15 04:52:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-10-15 04:52:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-10-15 04:52:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-10-15 04:52:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-10-15 04:52:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:52:53,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:52:53,085 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-10-15 04:52:53,085 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-10-15 04:52:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-10-15 04:52:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-10-15 04:52:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-10-15 04:52:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:52:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-10-15 04:52:53,086 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-10-15 04:52:53,087 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-10-15 04:52:53,087 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-10-15 04:52:53,087 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-10-15 04:52:53,087 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-10-15 04:52:53,087 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-10-15 04:52:53,087 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-10-15 04:52:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-10-15 04:52:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-10-15 04:52:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-10-15 04:52:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-10-15 04:52:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-10-15 04:52:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-10-15 04:52:53,088 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-10-15 04:52:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:52:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:52:53,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:52:53,673 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:52:53,674 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 04:52:53,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:52:53 BoogieIcfgContainer [2019-10-15 04:52:53,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:52:53,676 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:52:53,676 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:52:53,677 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:52:53,677 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:52:53" (1/1) ... [2019-10-15 04:52:53,712 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:53:02,958 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:53:03,031 INFO L272 AbstractInterpreter]: Visited 253 different actions 29680 times. Merged at 108 different actions 9104 times. Widened at 4 different actions 21 times. Performed 123518 root evaluator evaluations with a maximum evaluation depth of 5. Performed 123518 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 1873 fixpoints after 45 different actions. Largest state had 42 variables. [2019-10-15 04:53:03,031 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:53:03,036 INFO L168 Benchmark]: Toolchain (without parser) took 10543.56 ms. Allocated memory was 145.8 MB in the beginning and 556.3 MB in the end (delta: 410.5 MB). Free memory was 102.3 MB in the beginning and 282.3 MB in the end (delta: -180.0 MB). Peak memory consumption was 230.5 MB. Max. memory is 7.1 GB. [2019-10-15 04:53:03,037 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 04:53:03,039 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.80 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 102.1 MB in the beginning and 179.2 MB in the end (delta: -77.1 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-10-15 04:53:03,041 INFO L168 Benchmark]: Boogie Preprocessor took 56.65 ms. Allocated memory is still 202.9 MB. Free memory was 179.2 MB in the beginning and 176.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-10-15 04:53:03,043 INFO L168 Benchmark]: RCFGBuilder took 661.46 ms. Allocated memory is still 202.9 MB. Free memory was 176.6 MB in the beginning and 138.4 MB in the end (delta: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:53:03,045 INFO L168 Benchmark]: Abstract Interpretation took 9355.51 ms. Allocated memory was 202.9 MB in the beginning and 556.3 MB in the end (delta: 353.4 MB). Free memory was 138.4 MB in the beginning and 282.3 MB in the end (delta: -143.9 MB). Peak memory consumption was 209.5 MB. Max. memory is 7.1 GB. [2019-10-15 04:53:03,059 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 465.80 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 102.1 MB in the beginning and 179.2 MB in the end (delta: -77.1 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.65 ms. Allocated memory is still 202.9 MB. Free memory was 179.2 MB in the beginning and 176.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 661.46 ms. Allocated memory is still 202.9 MB. Free memory was 176.6 MB in the beginning and 138.4 MB in the end (delta: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 9355.51 ms. Allocated memory was 202.9 MB in the beginning and 556.3 MB in the end (delta: 353.4 MB). Free memory was 138.4 MB in the beginning and 282.3 MB in the end (delta: -143.9 MB). Peak memory consumption was 209.5 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 t2_pc = 0; [L17] int m_st ; [L18] int t1_st ; [L19] int t2_st ; [L20] int m_i ; [L21] int t1_i ; [L22] int t2_i ; [L23] int M_E = 2; [L24] int T1_E = 2; [L25] int T2_E = 2; [L26] int E_M = 2; [L27] int E_1 = 2; [L28] int E_2 = 2; [L33] int token ; [L35] int local ; [L600] int __retres1 ; [L604] CALL init_model() [L514] m_i = 1 [L515] t1_i = 1 [L516] t2_i = 1 [L604] RET init_model() [L605] CALL start_simulation() [L541] int kernel_st ; [L542] int tmp ; [L543] int tmp___0 ; [L547] kernel_st = 0 [L548] FCALL update_channels() [L549] CALL init_threads() [L233] COND TRUE m_i == 1 [L234] m_st = 0 [L238] COND TRUE t1_i == 1 [L239] t1_st = 0 [L243] COND TRUE t2_i == 1 [L244] t2_st = 0 [L549] RET init_threads() [L550] CALL fire_delta_events() [L346] COND FALSE !(M_E == 0) [L351] COND FALSE !(T1_E == 0) [L356] COND FALSE !(T2_E == 0) [L361] COND FALSE !(E_M == 0) [L366] COND FALSE !(E_1 == 0) [L371] COND FALSE !(E_2 == 0) [L550] RET fire_delta_events() [L551] CALL activate_threads() [L419] int tmp ; [L420] int tmp___0 ; [L421] int tmp___1 ; [L425] CALL, EXPR is_master_triggered() [L165] int __retres1 ; [L168] COND FALSE !(m_pc == 1) [L178] __retres1 = 0 [L180] return (__retres1); [L425] RET, EXPR is_master_triggered() [L425] tmp = is_master_triggered() [L427] COND FALSE !(\read(tmp)) [L433] CALL, EXPR is_transmit1_triggered() [L184] int __retres1 ; [L187] COND FALSE !(t1_pc == 1) [L197] __retres1 = 0 [L199] return (__retres1); [L433] RET, EXPR is_transmit1_triggered() [L433] tmp___0 = is_transmit1_triggered() [L435] COND FALSE !(\read(tmp___0)) [L441] CALL, EXPR is_transmit2_triggered() [L203] int __retres1 ; [L206] COND FALSE !(t2_pc == 1) [L216] __retres1 = 0 [L218] return (__retres1); [L441] RET, EXPR is_transmit2_triggered() [L441] tmp___1 = is_transmit2_triggered() [L443] COND FALSE !(\read(tmp___1)) [L551] RET activate_threads() [L552] CALL reset_delta_events() [L384] COND FALSE !(M_E == 1) [L389] COND FALSE !(T1_E == 1) [L394] COND FALSE !(T2_E == 1) [L399] COND FALSE !(E_M == 1) [L404] COND FALSE !(E_1 == 1) [L409] COND FALSE !(E_2 == 1) [L552] RET reset_delta_events() [L555] COND TRUE 1 [L558] kernel_st = 1 [L559] CALL eval() [L279] int tmp ; [L283] COND TRUE 1 [L286] CALL, EXPR exists_runnable_thread() [L253] int __retres1 ; [L256] COND TRUE m_st == 0 [L257] __retres1 = 1 [L274] return (__retres1); [L286] RET, EXPR exists_runnable_thread() [L286] tmp = exists_runnable_thread() [L288] COND TRUE \read(tmp) [L293] COND TRUE m_st == 0 [L294] int tmp_ndt_1; [L295] tmp_ndt_1 = __VERIFIER_nondet_int() [L296] COND TRUE \read(tmp_ndt_1) [L298] m_st = 1 [L299] CALL master() [L38] int tmp_var = __VERIFIER_nondet_int(); [L40] COND TRUE m_pc == 0 [L51] COND TRUE 1 [L54] token = __VERIFIER_nondet_int() [L55] local = token [L56] E_1 = 1 [L57] CALL immediate_notify() [L457] CALL activate_threads() [L419] int tmp ; [L420] int tmp___0 ; [L421] int tmp___1 ; [L425] CALL, EXPR is_master_triggered() [L165] int __retres1 ; [L168] COND FALSE !(m_pc == 1) [L178] __retres1 = 0 [L180] return (__retres1); [L425] RET, EXPR is_master_triggered() [L425] tmp = is_master_triggered() [L427] COND FALSE !(\read(tmp)) [L433] CALL, EXPR is_transmit1_triggered() [L184] int __retres1 ; [L187] COND FALSE !(t1_pc == 1) [L197] __retres1 = 0 [L199] return (__retres1); [L433] RET, EXPR is_transmit1_triggered() [L433] tmp___0 = is_transmit1_triggered() [L435] COND FALSE !(\read(tmp___0)) [L441] CALL, EXPR is_transmit2_triggered() [L203] int __retres1 ; [L206] COND FALSE !(t2_pc == 1) [L216] __retres1 = 0 [L218] return (__retres1); [L441] RET, EXPR is_transmit2_triggered() [L441] tmp___1 = is_transmit2_triggered() [L443] COND FALSE !(\read(tmp___1)) [L457] RET activate_threads() [L57] RET immediate_notify() [L58] E_1 = 2 [L59] m_pc = 1 [L60] m_st = 2 [L299] RET master() [L307] COND FALSE !(t1_st == 0) [L321] COND FALSE !(t2_st == 0) [L283] COND TRUE 1 [L286] CALL, EXPR exists_runnable_thread() [L253] int __retres1 ; [L256] COND TRUE m_st == 0 [L257] __retres1 = 1 [L274] return (__retres1); [L286] RET, EXPR exists_runnable_thread() [L286] tmp = exists_runnable_thread() [L288] COND TRUE \read(tmp) [L293] COND TRUE m_st == 0 [L294] int tmp_ndt_1; [L295] tmp_ndt_1 = __VERIFIER_nondet_int() [L296] COND TRUE \read(tmp_ndt_1) [L298] m_st = 1 [L299] CALL master() [L38] int tmp_var = __VERIFIER_nondet_int(); [L40] COND FALSE !(m_pc == 0) [L43] COND TRUE m_pc == 1 [L65] COND TRUE token != local + 2 [L67] CALL error() [L10] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...