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-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:52:48,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:52:48,455 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:52:48,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:52:48,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:52:48,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:52:48,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:52:48,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:52:48,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:52:48,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:52:48,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:52:48,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:52:48,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:52:48,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:52:48,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:52:48,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:52:48,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:52:48,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:52:48,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:52:48,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:52:48,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:52:48,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:52:48,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:52:48,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:52:48,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:52:48,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 04:52:48,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 04:52:48,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 04:52:48,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 04:52:48,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 04:52:48,499 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 04:52:48,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 04:52:48,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 04:52:48,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:52:48,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:52:48,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:52:48,505 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 04:52:48,532 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:52:48,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:52:48,534 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:52:48,534 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:52:48,535 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:52:48,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:52:48,535 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:52:48,535 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:52:48,535 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:52:48,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:52:48,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:52:48,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:52:48,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:52:48,537 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:52:48,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:52:48,538 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:52:48,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:52:48,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:52:48,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:52:48,539 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:52:48,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:52:48,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:52:48,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:52:48,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:52:48,540 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:52:48,540 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:52:48,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:52:48,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:52:48,541 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 04:52:48,830 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:52:48,840 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:52:48,844 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:52:48,846 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:52:48,846 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:52:48,848 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2019-10-15 04:52:48,921 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bcf82968/3ecf22c9adf845b982f169f5006b842d/FLAG3da766f3e [2019-10-15 04:52:49,443 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:52:49,446 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2019-10-15 04:52:49,457 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bcf82968/3ecf22c9adf845b982f169f5006b842d/FLAG3da766f3e [2019-10-15 04:52:49,846 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bcf82968/3ecf22c9adf845b982f169f5006b842d [2019-10-15 04:52:49,857 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:52:49,859 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:52:49,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:52:49,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:52:49,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:52:49,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:52:49" (1/1) ... [2019-10-15 04:52:49,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bf600bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:52:49, skipping insertion in model container [2019-10-15 04:52:49,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:52:49" (1/1) ... [2019-10-15 04:52:49,879 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:52:49,932 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:52:50,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:52:50,196 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:52:50,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:52:50,339 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:52:50,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:52:50 WrapperNode [2019-10-15 04:52:50,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:52:50,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:52:50,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:52:50,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:52:50,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:52:50" (1/1) ... [2019-10-15 04:52:50,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:52:50" (1/1) ... [2019-10-15 04:52:50,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:52:50" (1/1) ... [2019-10-15 04:52:50,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:52:50" (1/1) ... [2019-10-15 04:52:50,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:52:50" (1/1) ... [2019-10-15 04:52:50,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:52:50" (1/1) ... [2019-10-15 04:52:50,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:52:50" (1/1) ... [2019-10-15 04:52:50,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:52:50,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:52:50,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:52:50,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:52:50,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:52:50" (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 04:52:50,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:52:50,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:52:50,447 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-10-15 04:52:50,448 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-10-15 04:52:50,448 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-10-15 04:52:50,448 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-10-15 04:52:50,448 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-10-15 04:52:50,448 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-10-15 04:52:50,448 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-10-15 04:52:50,448 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-10-15 04:52:50,449 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-10-15 04:52:50,449 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-10-15 04:52:50,449 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-10-15 04:52:50,449 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-10-15 04:52:50,450 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-10-15 04:52:50,450 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-10-15 04:52:50,451 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-10-15 04:52:50,451 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-10-15 04:52:50,451 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-10-15 04:52:50,451 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-10-15 04:52:50,451 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:52:50,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:52:50,452 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-10-15 04:52:50,452 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-10-15 04:52:50,452 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-10-15 04:52:50,452 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-10-15 04:52:50,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:52:50,454 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-10-15 04:52:50,454 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-10-15 04:52:50,454 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-10-15 04:52:50,454 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-10-15 04:52:50,454 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-10-15 04:52:50,454 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-10-15 04:52:50,454 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-10-15 04:52:50,454 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-10-15 04:52:50,454 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-10-15 04:52:50,455 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-10-15 04:52:50,455 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-10-15 04:52:50,455 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-10-15 04:52:50,455 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-10-15 04:52:50,455 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-10-15 04:52:50,455 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:52:50,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:52:50,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:52:50,991 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:52:50,992 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 04:52:50,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:52:50 BoogieIcfgContainer [2019-10-15 04:52:50,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:52:50,995 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:52:50,995 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:52:50,995 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:52:50,996 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:52:50" (1/1) ... [2019-10-15 04:52:51,025 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:52:56,532 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:52:56,591 INFO L272 AbstractInterpreter]: Visited 193 different actions 18538 times. Merged at 85 different actions 6142 times. Widened at 5 different actions 32 times. Performed 63799 root evaluator evaluations with a maximum evaluation depth of 5. Performed 63799 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 1278 fixpoints after 35 different actions. Largest state had 30 variables. [2019-10-15 04:52:56,591 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:52:56,595 INFO L168 Benchmark]: Toolchain (without parser) took 6734.59 ms. Allocated memory was 137.9 MB in the beginning and 366.5 MB in the end (delta: 228.6 MB). Free memory was 103.0 MB in the beginning and 130.7 MB in the end (delta: -27.7 MB). Peak memory consumption was 200.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:52:56,597 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 04:52:56,598 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.21 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 102.5 MB in the beginning and 178.2 MB in the end (delta: -75.7 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-10-15 04:52:56,599 INFO L168 Benchmark]: Boogie Preprocessor took 44.29 ms. Allocated memory is still 201.3 MB. Free memory was 178.2 MB in the beginning and 176.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-10-15 04:52:56,602 INFO L168 Benchmark]: RCFGBuilder took 608.97 ms. Allocated memory is still 201.3 MB. Free memory was 176.1 MB in the beginning and 145.5 MB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. [2019-10-15 04:52:56,603 INFO L168 Benchmark]: Abstract Interpretation took 5597.04 ms. Allocated memory was 201.3 MB in the beginning and 366.5 MB in the end (delta: 165.2 MB). Free memory was 145.5 MB in the beginning and 130.7 MB in the end (delta: 14.8 MB). Peak memory consumption was 180.0 MB. Max. memory is 7.1 GB. [2019-10-15 04:52:56,613 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 476.21 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 102.5 MB in the beginning and 178.2 MB in the end (delta: -75.7 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.29 ms. Allocated memory is still 201.3 MB. Free memory was 178.2 MB in the beginning and 176.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 608.97 ms. Allocated memory is still 201.3 MB. Free memory was 176.1 MB in the beginning and 145.5 MB in the end (delta: 30.6 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 5597.04 ms. Allocated memory was 201.3 MB in the beginning and 366.5 MB in the end (delta: 165.2 MB). Free memory was 145.5 MB in the beginning and 130.7 MB in the end (delta: 14.8 MB). Peak memory consumption was 180.0 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 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 ; [L463] int __retres1 ; [L467] CALL init_model() [L378] m_i = 1 [L379] t1_i = 1 [L467] RET init_model() [L468] CALL start_simulation() [L404] int kernel_st ; [L405] int tmp ; [L406] int tmp___0 ; [L410] kernel_st = 0 [L411] FCALL update_channels() [L412] CALL init_threads() [L160] COND TRUE m_i == 1 [L161] m_st = 0 [L165] COND TRUE t1_i == 1 [L166] t1_st = 0 [L412] RET init_threads() [L413] CALL fire_delta_events() [L249] COND FALSE !(M_E == 0) [L254] COND FALSE !(T1_E == 0) [L259] COND FALSE !(E_M == 0) [L264] COND FALSE !(E_1 == 0) [L413] RET fire_delta_events() [L414] CALL activate_threads() [L302] int tmp ; [L303] int tmp___0 ; [L307] CALL, EXPR is_master_triggered() [L111] int __retres1 ; [L114] COND FALSE !(m_pc == 1) [L124] __retres1 = 0 [L126] return (__retres1); [L307] RET, EXPR is_master_triggered() [L307] tmp = is_master_triggered() [L309] COND FALSE !(\read(tmp)) [L315] CALL, EXPR is_transmit1_triggered() [L130] int __retres1 ; [L133] COND FALSE !(t1_pc == 1) [L143] __retres1 = 0 [L145] return (__retres1); [L315] RET, EXPR is_transmit1_triggered() [L315] tmp___0 = is_transmit1_triggered() [L317] COND FALSE !(\read(tmp___0)) [L414] RET activate_threads() [L415] CALL reset_delta_events() [L277] COND FALSE !(M_E == 1) [L282] COND FALSE !(T1_E == 1) [L287] COND FALSE !(E_M == 1) [L292] COND FALSE !(E_1 == 1) [L415] RET reset_delta_events() [L418] COND TRUE 1 [L421] kernel_st = 1 [L422] CALL eval() [L196] int tmp ; [L200] COND TRUE 1 [L203] CALL, EXPR exists_runnable_thread() [L175] int __retres1 ; [L178] COND TRUE m_st == 0 [L179] __retres1 = 1 [L191] return (__retres1); [L203] RET, EXPR exists_runnable_thread() [L203] tmp = exists_runnable_thread() [L205] COND TRUE \read(tmp) [L210] COND TRUE m_st == 0 [L211] int tmp_ndt_1; [L212] tmp_ndt_1 = __VERIFIER_nondet_int() [L213] COND TRUE \read(tmp_ndt_1) [L215] m_st = 1 [L216] CALL master() [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() [L331] CALL activate_threads() [L302] int tmp ; [L303] int tmp___0 ; [L307] CALL, EXPR is_master_triggered() [L111] int __retres1 ; [L114] COND FALSE !(m_pc == 1) [L124] __retres1 = 0 [L126] return (__retres1); [L307] RET, EXPR is_master_triggered() [L307] tmp = is_master_triggered() [L309] COND FALSE !(\read(tmp)) [L315] CALL, EXPR is_transmit1_triggered() [L130] int __retres1 ; [L133] COND FALSE !(t1_pc == 1) [L143] __retres1 = 0 [L145] return (__retres1); [L315] RET, EXPR is_transmit1_triggered() [L315] tmp___0 = is_transmit1_triggered() [L317] COND FALSE !(\read(tmp___0)) [L331] RET activate_threads() [L51] RET immediate_notify() [L52] E_1 = 2 [L53] m_pc = 1 [L54] m_st = 2 [L216] RET master() [L224] COND FALSE !(t1_st == 0) [L200] COND TRUE 1 [L203] CALL, EXPR exists_runnable_thread() [L175] int __retres1 ; [L178] COND TRUE m_st == 0 [L179] __retres1 = 1 [L191] return (__retres1); [L203] RET, EXPR exists_runnable_thread() [L203] tmp = exists_runnable_thread() [L205] COND TRUE \read(tmp) [L210] COND TRUE m_st == 0 [L211] int tmp_ndt_1; [L212] tmp_ndt_1 = __VERIFIER_nondet_int() [L213] COND TRUE \read(tmp_ndt_1) [L215] m_st = 1 [L216] CALL master() [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...