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-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 12:55:24,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 12:55:24,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 12:55:24,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 12:55:24,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 12:55:24,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 12:55:24,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 12:55:24,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 12:55:24,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 12:55:24,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 12:55:24,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 12:55:24,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 12:55:24,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 12:55:24,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 12:55:24,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 12:55:24,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 12:55:24,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 12:55:24,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 12:55:24,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 12:55:24,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 12:55:24,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 12:55:24,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 12:55:24,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 12:55:24,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 12:55:24,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-03 12:55:24,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 12:55:24,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 12:55:24,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 12:55:24,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 12:55:24,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 12:55:24,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 12:55:24,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 12:55:24,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-10-03 12:55:24,758 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 12:55:24,773 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 12:55:24,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 12:55:24,773 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 12:55:24,773 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 12:55:24,774 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 12:55:24,774 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 12:55:24,774 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 12:55:24,775 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 12:55:24,775 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 12:55:24,775 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 12:55:24,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 12:55:24,776 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 12:55:24,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 12:55:24,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 12:55:24,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 12:55:24,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 12:55:24,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 12:55:24,777 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 12:55:24,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 12:55:24,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 12:55:24,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 12:55:24,778 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 12:55:24,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 12:55:24,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:55:24,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 12:55:24,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 12:55:24,779 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 12:55:24,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 12:55:24,780 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 12:55:24,780 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 12:55:24,807 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 12:55:24,819 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 12:55:24,823 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 12:55:24,824 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 12:55:24,825 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 12:55:24,825 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-10-03 12:55:24,885 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8ec0bb15/1fcb4e19372949369580d3045e167930/FLAG86400cc98 [2019-10-03 12:55:25,275 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 12:55:25,276 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2019-10-03 12:55:25,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8ec0bb15/1fcb4e19372949369580d3045e167930/FLAG86400cc98 [2019-10-03 12:55:25,695 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8ec0bb15/1fcb4e19372949369580d3045e167930 [2019-10-03 12:55:25,704 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 12:55:25,705 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 12:55:25,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 12:55:25,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 12:55:25,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 12:55:25,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:55:25" (1/1) ... [2019-10-03 12:55:25,714 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 03.10 12:55:25, skipping insertion in model container [2019-10-03 12:55:25,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:55:25" (1/1) ... [2019-10-03 12:55:25,722 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 12:55:25,773 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 12:55:26,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:55:26,214 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 12:55:26,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:55:26,319 INFO L192 MainTranslator]: Completed translation [2019-10-03 12:55:26,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:55:26 WrapperNode [2019-10-03 12:55:26,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 12:55:26,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 12:55:26,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 12:55:26,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 12:55:26,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:55:26" (1/1) ... [2019-10-03 12:55:26,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:55:26" (1/1) ... [2019-10-03 12:55:26,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:55:26" (1/1) ... [2019-10-03 12:55:26,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:55:26" (1/1) ... [2019-10-03 12:55:26,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:55:26" (1/1) ... [2019-10-03 12:55:26,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:55:26" (1/1) ... [2019-10-03 12:55:26,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:55:26" (1/1) ... [2019-10-03 12:55:26,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 12:55:26,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 12:55:26,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 12:55:26,399 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 12:55:26,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:55:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:55:26,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 12:55:26,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 12:55:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-10-03 12:55:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-10-03 12:55:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-10-03 12:55:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-10-03 12:55:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-10-03 12:55:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-10-03 12:55:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-10-03 12:55:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-10-03 12:55:26,472 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-10-03 12:55:26,472 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-10-03 12:55:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-10-03 12:55:26,474 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-10-03 12:55:26,474 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-10-03 12:55:26,475 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-10-03 12:55:26,476 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-10-03 12:55:26,476 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-10-03 12:55:26,476 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-10-03 12:55:26,476 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-10-03 12:55:26,476 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-10-03 12:55:26,477 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-10-03 12:55:26,477 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 12:55:26,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 12:55:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-10-03 12:55:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-10-03 12:55:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-10-03 12:55:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-10-03 12:55:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-10-03 12:55:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 12:55:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-10-03 12:55:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-10-03 12:55:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-10-03 12:55:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-10-03 12:55:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-10-03 12:55:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-10-03 12:55:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-10-03 12:55:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-10-03 12:55:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-10-03 12:55:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-10-03 12:55:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-10-03 12:55:26,481 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-10-03 12:55:26,481 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-10-03 12:55:26,481 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-10-03 12:55:26,481 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-10-03 12:55:26,481 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 12:55:26,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 12:55:26,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 12:55:27,106 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 12:55:27,106 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-03 12:55:27,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:55:27 BoogieIcfgContainer [2019-10-03 12:55:27,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 12:55:27,108 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 12:55:27,108 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 12:55:27,109 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 12:55:27,109 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:55:27" (1/1) ... [2019-10-03 12:55:27,144 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 12:55:41,359 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-03 12:55:41,393 INFO L272 AbstractInterpreter]: Visited 241 different actions 53455 times. Merged at 105 different actions 18316 times. Widened at 5 different actions 40 times. Performed 214147 root evaluator evaluations with a maximum evaluation depth of 5. Performed 214147 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 3283 fixpoints after 46 different actions. Largest state had 42 variables. [2019-10-03 12:55:41,393 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 12:55:41,395 INFO L168 Benchmark]: Toolchain (without parser) took 15689.49 ms. Allocated memory was 131.1 MB in the beginning and 928.5 MB in the end (delta: 797.4 MB). Free memory was 86.3 MB in the beginning and 232.1 MB in the end (delta: -145.8 MB). Peak memory consumption was 651.7 MB. Max. memory is 7.1 GB. [2019-10-03 12:55:41,396 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.1 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 12:55:41,397 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.01 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 86.1 MB in the beginning and 172.0 MB in the end (delta: -85.9 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-10-03 12:55:41,398 INFO L168 Benchmark]: Boogie Preprocessor took 76.55 ms. Allocated memory is still 198.2 MB. Free memory was 172.0 MB in the beginning and 169.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-10-03 12:55:41,399 INFO L168 Benchmark]: RCFGBuilder took 709.47 ms. Allocated memory is still 198.2 MB. Free memory was 169.5 MB in the beginning and 132.4 MB in the end (delta: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. [2019-10-03 12:55:41,400 INFO L168 Benchmark]: Abstract Interpretation took 14284.76 ms. Allocated memory was 198.2 MB in the beginning and 928.5 MB in the end (delta: 730.3 MB). Free memory was 132.4 MB in the beginning and 232.1 MB in the end (delta: -99.7 MB). Peak memory consumption was 630.6 MB. Max. memory is 7.1 GB. [2019-10-03 12:55:41,405 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 131.1 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 615.01 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 86.1 MB in the beginning and 172.0 MB in the end (delta: -85.9 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 76.55 ms. Allocated memory is still 198.2 MB. Free memory was 172.0 MB in the beginning and 169.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 709.47 ms. Allocated memory is still 198.2 MB. Free memory was 169.5 MB in the beginning and 132.4 MB in the end (delta: 37.1 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 14284.76 ms. Allocated memory was 198.2 MB in the beginning and 928.5 MB in the end (delta: 730.3 MB). Free memory was 132.4 MB in the beginning and 232.1 MB in the end (delta: -99.7 MB). Peak memory consumption was 630.6 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 ; [L588] int __retres1 ; [L592] CALL init_model() [L502] m_i = 1 [L503] t1_i = 1 [L504] t2_i = 1 [L592] RET init_model() [L593] CALL start_simulation() [L529] int kernel_st ; [L530] int tmp ; [L531] int tmp___0 ; [L535] kernel_st = 0 [L536] FCALL update_channels() [L537] CALL init_threads() [L221] COND TRUE m_i == 1 [L222] m_st = 0 [L226] COND TRUE t1_i == 1 [L227] t1_st = 0 [L231] COND TRUE t2_i == 1 [L232] t2_st = 0 [L537] RET init_threads() [L538] CALL fire_delta_events() [L334] COND FALSE !(M_E == 0) [L339] COND FALSE !(T1_E == 0) [L344] COND FALSE !(T2_E == 0) [L349] COND FALSE !(E_M == 0) [L354] COND FALSE !(E_1 == 0) [L359] COND FALSE !(E_2 == 0) [L538] RET fire_delta_events() [L539] CALL activate_threads() [L407] int tmp ; [L408] int tmp___0 ; [L409] int tmp___1 ; [L413] CALL, EXPR is_master_triggered() [L153] int __retres1 ; [L156] COND FALSE !(m_pc == 1) [L166] __retres1 = 0 [L168] return (__retres1); [L413] RET, EXPR is_master_triggered() [L413] tmp = is_master_triggered() [L415] COND FALSE !(\read(tmp)) [L421] CALL, EXPR is_transmit1_triggered() [L172] int __retres1 ; [L175] COND FALSE !(t1_pc == 1) [L185] __retres1 = 0 [L187] return (__retres1); [L421] RET, EXPR is_transmit1_triggered() [L421] tmp___0 = is_transmit1_triggered() [L423] COND FALSE !(\read(tmp___0)) [L429] CALL, EXPR is_transmit2_triggered() [L191] int __retres1 ; [L194] COND FALSE !(t2_pc == 1) [L204] __retres1 = 0 [L206] return (__retres1); [L429] RET, EXPR is_transmit2_triggered() [L429] tmp___1 = is_transmit2_triggered() [L431] COND FALSE !(\read(tmp___1)) [L539] RET activate_threads() [L540] CALL reset_delta_events() [L372] COND FALSE !(M_E == 1) [L377] COND FALSE !(T1_E == 1) [L382] COND FALSE !(T2_E == 1) [L387] COND FALSE !(E_M == 1) [L392] COND FALSE !(E_1 == 1) [L397] COND FALSE !(E_2 == 1) [L540] RET reset_delta_events() [L543] COND TRUE 1 [L546] kernel_st = 1 [L547] CALL eval() [L267] int tmp ; [L271] COND TRUE 1 [L274] CALL, EXPR exists_runnable_thread() [L241] int __retres1 ; [L244] COND TRUE m_st == 0 [L245] __retres1 = 1 [L262] return (__retres1); [L274] RET, EXPR exists_runnable_thread() [L274] tmp = exists_runnable_thread() [L276] COND TRUE \read(tmp) [L281] COND TRUE m_st == 0 [L282] int tmp_ndt_1; [L283] tmp_ndt_1 = __VERIFIER_nondet_int() [L284] COND TRUE \read(tmp_ndt_1) [L286] m_st = 1 [L287] CALL master() [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() [L445] CALL activate_threads() [L407] int tmp ; [L408] int tmp___0 ; [L409] int tmp___1 ; [L413] CALL, EXPR is_master_triggered() [L153] int __retres1 ; [L156] COND FALSE !(m_pc == 1) [L166] __retres1 = 0 [L168] return (__retres1); [L413] RET, EXPR is_master_triggered() [L413] tmp = is_master_triggered() [L415] COND FALSE !(\read(tmp)) [L421] CALL, EXPR is_transmit1_triggered() [L172] int __retres1 ; [L175] COND FALSE !(t1_pc == 1) [L185] __retres1 = 0 [L187] return (__retres1); [L421] RET, EXPR is_transmit1_triggered() [L421] tmp___0 = is_transmit1_triggered() [L423] COND FALSE !(\read(tmp___0)) [L429] CALL, EXPR is_transmit2_triggered() [L191] int __retres1 ; [L194] COND FALSE !(t2_pc == 1) [L204] __retres1 = 0 [L206] return (__retres1); [L429] RET, EXPR is_transmit2_triggered() [L429] tmp___1 = is_transmit2_triggered() [L431] COND FALSE !(\read(tmp___1)) [L445] RET activate_threads() [L57] RET immediate_notify() [L58] E_1 = 2 [L59] m_pc = 1 [L60] m_st = 2 [L287] RET master() [L295] COND TRUE t1_st == 0 [L296] int tmp_ndt_2; [L297] tmp_ndt_2 = __VERIFIER_nondet_int() [L298] COND FALSE !(\read(tmp_ndt_2)) [L309] COND FALSE !(t2_st == 0) [L271] COND TRUE 1 [L274] CALL, EXPR exists_runnable_thread() [L241] int __retres1 ; [L244] COND TRUE m_st == 0 [L245] __retres1 = 1 [L262] return (__retres1); [L274] RET, EXPR exists_runnable_thread() [L274] tmp = exists_runnable_thread() [L276] COND TRUE \read(tmp) [L281] COND TRUE m_st == 0 [L282] int tmp_ndt_1; [L283] tmp_ndt_1 = __VERIFIER_nondet_int() [L284] COND TRUE \read(tmp_ndt_1) [L286] m_st = 1 [L287] CALL master() [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...