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.02.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:31:09,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:31:09,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:31:09,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:31:09,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:31:09,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:31:09,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:31:09,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:31:09,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:31:09,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:31:09,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:31:09,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:31:09,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:31:09,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:31:09,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:31:09,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:31:09,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:31:09,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:31:09,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:31:09,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:31:09,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:31:09,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:31:09,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:31:09,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:31:09,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-16 17:31:09,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:31:09,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:31:09,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:31:09,138 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:31:09,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:31:09,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:31:09,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:31:09,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:31:09,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:31:09,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:31:09,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:31:09,146 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 [2019-09-16 17:31:09,172 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:31:09,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:31:09,173 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:31:09,173 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:31:09,174 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:31:09,174 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:31:09,174 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:31:09,175 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:31:09,175 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:31:09,175 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:31:09,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:31:09,177 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:31:09,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:31:09,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:31:09,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:31:09,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:31:09,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:31:09,179 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:31:09,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:31:09,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:31:09,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:31:09,180 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:31:09,180 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:31:09,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:31:09,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:31:09,181 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:31:09,181 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:31:09,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:31:09,181 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:31:09,181 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:31:09,226 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:31:09,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:31:09,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:31:09,243 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:31:09,244 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:31:09,245 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2019-09-16 17:31:09,309 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76e409ef0/b156f600509240ebb5fd74d1c21e41ba/FLAGc6b58ff75 [2019-09-16 17:31:09,829 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:31:09,829 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2019-09-16 17:31:09,839 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76e409ef0/b156f600509240ebb5fd74d1c21e41ba/FLAGc6b58ff75 [2019-09-16 17:31:10,142 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76e409ef0/b156f600509240ebb5fd74d1c21e41ba [2019-09-16 17:31:10,151 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:31:10,152 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:31:10,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:31:10,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:31:10,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:31:10,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:31:10" (1/1) ... [2019-09-16 17:31:10,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c18ef85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:31:10, skipping insertion in model container [2019-09-16 17:31:10,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:31:10" (1/1) ... [2019-09-16 17:31:10,171 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:31:10,221 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:31:10,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:31:10,495 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:31:10,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:31:10,658 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:31:10,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:31:10 WrapperNode [2019-09-16 17:31:10,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:31:10,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:31:10,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:31:10,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:31:10,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:31:10" (1/1) ... [2019-09-16 17:31:10,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:31:10" (1/1) ... [2019-09-16 17:31:10,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:31:10" (1/1) ... [2019-09-16 17:31:10,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:31:10" (1/1) ... [2019-09-16 17:31:10,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:31:10" (1/1) ... [2019-09-16 17:31:10,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:31:10" (1/1) ... [2019-09-16 17:31:10,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:31:10" (1/1) ... [2019-09-16 17:31:10,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:31:10,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:31:10,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:31:10,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:31:10,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:31:10" (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 [2019-09-16 17:31:10,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:31:10,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:31:10,796 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-16 17:31:10,796 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-16 17:31:10,796 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-16 17:31:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-16 17:31:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-16 17:31:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-16 17:31:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-16 17:31:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-16 17:31:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-16 17:31:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-16 17:31:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-16 17:31:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-16 17:31:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-16 17:31:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-16 17:31:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-16 17:31:10,799 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-16 17:31:10,799 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-16 17:31:10,799 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-16 17:31:10,799 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-16 17:31:10,799 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-16 17:31:10,799 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:31:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:31:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-16 17:31:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-16 17:31:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-16 17:31:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-16 17:31:10,800 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-16 17:31:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:31:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-16 17:31:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-16 17:31:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-16 17:31:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-16 17:31:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-16 17:31:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-16 17:31:10,802 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-16 17:31:10,802 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-16 17:31:10,802 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-16 17:31:10,802 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-16 17:31:10,802 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-16 17:31:10,802 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-16 17:31:10,803 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-16 17:31:10,803 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-16 17:31:10,803 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-16 17:31:10,803 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:31:10,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:31:10,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:31:11,447 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:31:11,447 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 17:31:11,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:31:11 BoogieIcfgContainer [2019-09-16 17:31:11,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:31:11,450 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-16 17:31:11,450 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-16 17:31:11,450 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-16 17:31:11,451 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:31:11" (1/1) ... [2019-09-16 17:31:11,482 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:31:21,806 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-16 17:31:21,874 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. [2019-09-16 17:31:21,874 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-16 17:31:21,886 INFO L168 Benchmark]: Toolchain (without parser) took 11728.69 ms. Allocated memory was 129.5 MB in the beginning and 691.0 MB in the end (delta: 561.5 MB). Free memory was 84.9 MB in the beginning and 521.1 MB in the end (delta: -436.3 MB). Peak memory consumption was 125.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:31:21,887 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 129.5 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:31:21,891 INFO L168 Benchmark]: CACSL2BoogieTranslator took 505.34 ms. Allocated memory was 129.5 MB in the beginning and 197.1 MB in the end (delta: 67.6 MB). Free memory was 84.7 MB in the beginning and 171.3 MB in the end (delta: -86.6 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2019-09-16 17:31:21,893 INFO L168 Benchmark]: Boogie Preprocessor took 79.87 ms. Allocated memory is still 197.1 MB. Free memory was 171.3 MB in the beginning and 168.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-09-16 17:31:21,894 INFO L168 Benchmark]: RCFGBuilder took 709.37 ms. Allocated memory is still 197.1 MB. Free memory was 168.6 MB in the beginning and 130.9 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 7.1 GB. [2019-09-16 17:31:21,898 INFO L168 Benchmark]: Abstract Interpretation took 10429.45 ms. Allocated memory was 197.1 MB in the beginning and 691.0 MB in the end (delta: 493.9 MB). Free memory was 130.3 MB in the beginning and 521.1 MB in the end (delta: -390.9 MB). Peak memory consumption was 103.0 MB. Max. memory is 7.1 GB. [2019-09-16 17:31:21,907 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 129.5 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 505.34 ms. Allocated memory was 129.5 MB in the beginning and 197.1 MB in the end (delta: 67.6 MB). Free memory was 84.7 MB in the beginning and 171.3 MB in the end (delta: -86.6 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 79.87 ms. Allocated memory is still 197.1 MB. Free memory was 171.3 MB in the beginning and 168.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 709.37 ms. Allocated memory is still 197.1 MB. Free memory was 168.6 MB in the beginning and 130.9 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 10429.45 ms. Allocated memory was 197.1 MB in the beginning and 691.0 MB in the end (delta: 493.9 MB). Free memory was 130.3 MB in the beginning and 521.1 MB in the end (delta: -390.9 MB). Peak memory consumption was 103.0 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...