/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/transmitter.16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-89f541c [2020-08-28 01:48:53,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-28 01:48:53,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-28 01:48:53,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-28 01:48:53,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-28 01:48:53,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-28 01:48:53,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-28 01:48:53,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-28 01:48:53,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-28 01:48:53,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-28 01:48:53,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-28 01:48:53,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-28 01:48:53,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-28 01:48:53,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-28 01:48:53,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-28 01:48:53,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-28 01:48:53,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-28 01:48:53,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-28 01:48:53,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-28 01:48:53,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-28 01:48:53,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-28 01:48:53,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-28 01:48:53,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-28 01:48:53,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-28 01:48:53,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-28 01:48:53,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-28 01:48:53,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-28 01:48:53,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-28 01:48:53,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-28 01:48:53,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-28 01:48:53,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-28 01:48:53,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-28 01:48:53,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-28 01:48:53,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-28 01:48:53,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-28 01:48:53,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-28 01:48:53,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-28 01:48:53,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-28 01:48:53,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-28 01:48:53,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-28 01:48:53,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-28 01:48:53,497 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-28 01:48:53,543 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-28 01:48:53,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-28 01:48:53,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-28 01:48:53,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-28 01:48:53,546 INFO L138 SettingsManager]: * Use SBE=true [2020-08-28 01:48:53,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-28 01:48:53,547 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-28 01:48:53,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-28 01:48:53,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-28 01:48:53,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-28 01:48:53,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-28 01:48:53,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-28 01:48:53,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-28 01:48:53,549 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-28 01:48:53,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-28 01:48:53,550 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-28 01:48:53,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-28 01:48:53,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-28 01:48:53,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-28 01:48:53,550 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-28 01:48:53,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-28 01:48:53,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-28 01:48:53,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-28 01:48:53,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-28 01:48:53,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-28 01:48:53,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-28 01:48:53,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-28 01:48:53,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-28 01:48:53,552 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-28 01:48:53,552 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; [2020-08-28 01:48:54,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-28 01:48:54,037 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-28 01:48:54,044 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-28 01:48:54,046 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-28 01:48:54,047 INFO L275 PluginConnector]: CDTParser initialized [2020-08-28 01:48:54,048 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.16.cil.c [2020-08-28 01:48:54,145 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/26445e8eb/2839849ac6544ebe9d5b0ef158dd7565/FLAGfea789027 [2020-08-28 01:48:54,763 INFO L306 CDTParser]: Found 1 translation units. [2020-08-28 01:48:54,764 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.16.cil.c [2020-08-28 01:48:54,783 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/26445e8eb/2839849ac6544ebe9d5b0ef158dd7565/FLAGfea789027 [2020-08-28 01:48:55,041 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/26445e8eb/2839849ac6544ebe9d5b0ef158dd7565 [2020-08-28 01:48:55,055 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-28 01:48:55,058 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-28 01:48:55,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-28 01:48:55,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-28 01:48:55,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-28 01:48:55,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 01:48:55" (1/1) ... [2020-08-28 01:48:55,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee4d01a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 01:48:55, skipping insertion in model container [2020-08-28 01:48:55,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 01:48:55" (1/1) ... [2020-08-28 01:48:55,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-28 01:48:55,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-28 01:48:55,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 01:48:55,664 INFO L203 MainTranslator]: Completed pre-run [2020-08-28 01:48:55,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 01:48:55,892 INFO L208 MainTranslator]: Completed translation [2020-08-28 01:48:55,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 01:48:55 WrapperNode [2020-08-28 01:48:55,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-28 01:48:55,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-28 01:48:55,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-28 01:48:55,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-28 01:48:55,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 01:48:55" (1/1) ... [2020-08-28 01:48:55,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 01:48:55" (1/1) ... [2020-08-28 01:48:55,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 01:48:55" (1/1) ... [2020-08-28 01:48:55,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 01:48:55" (1/1) ... [2020-08-28 01:48:55,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 01:48:55" (1/1) ... [2020-08-28 01:48:56,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 01:48:55" (1/1) ... [2020-08-28 01:48:56,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 01:48:55" (1/1) ... [2020-08-28 01:48:56,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-28 01:48:56,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-28 01:48:56,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-28 01:48:56,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-28 01:48:56,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 01:48:55" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-28 01:48:56,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-28 01:48:56,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-28 01:48:56,113 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-08-28 01:48:56,113 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-08-28 01:48:56,113 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-08-28 01:48:56,114 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-08-28 01:48:56,114 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-08-28 01:48:56,114 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-08-28 01:48:56,114 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-08-28 01:48:56,114 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-08-28 01:48:56,115 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-08-28 01:48:56,115 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-08-28 01:48:56,115 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-08-28 01:48:56,115 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-08-28 01:48:56,115 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2020-08-28 01:48:56,117 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit12 [2020-08-28 01:48:56,117 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit13 [2020-08-28 01:48:56,117 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit14 [2020-08-28 01:48:56,117 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-08-28 01:48:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-08-28 01:48:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-08-28 01:48:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-08-28 01:48:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-08-28 01:48:56,121 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-08-28 01:48:56,121 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-08-28 01:48:56,121 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-08-28 01:48:56,121 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-08-28 01:48:56,121 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-08-28 01:48:56,121 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-08-28 01:48:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2020-08-28 01:48:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit12_triggered [2020-08-28 01:48:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit13_triggered [2020-08-28 01:48:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit14_triggered [2020-08-28 01:48:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-08-28 01:48:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-08-28 01:48:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-08-28 01:48:56,126 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-08-28 01:48:56,126 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-08-28 01:48:56,126 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-08-28 01:48:56,126 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-08-28 01:48:56,127 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-08-28 01:48:56,127 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-08-28 01:48:56,127 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-08-28 01:48:56,127 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-08-28 01:48:56,127 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-08-28 01:48:56,127 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-08-28 01:48:56,128 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-28 01:48:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-28 01:48:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-28 01:48:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-08-28 01:48:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-08-28 01:48:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-08-28 01:48:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-08-28 01:48:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-08-28 01:48:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-08-28 01:48:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-08-28 01:48:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-08-28 01:48:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-08-28 01:48:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-08-28 01:48:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-08-28 01:48:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-08-28 01:48:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2020-08-28 01:48:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit12_triggered [2020-08-28 01:48:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit13_triggered [2020-08-28 01:48:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit14_triggered [2020-08-28 01:48:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-08-28 01:48:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-08-28 01:48:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-08-28 01:48:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-08-28 01:48:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-08-28 01:48:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-08-28 01:48:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-08-28 01:48:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-08-28 01:48:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-08-28 01:48:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-08-28 01:48:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-08-28 01:48:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-08-28 01:48:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2020-08-28 01:48:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure transmit12 [2020-08-28 01:48:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure transmit13 [2020-08-28 01:48:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure transmit14 [2020-08-28 01:48:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-08-28 01:48:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-08-28 01:48:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-08-28 01:48:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-08-28 01:48:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-08-28 01:48:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-08-28 01:48:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-08-28 01:48:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-08-28 01:48:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-08-28 01:48:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-08-28 01:48:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-08-28 01:48:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-08-28 01:48:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-28 01:48:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-28 01:48:56,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-28 01:48:57,427 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-28 01:48:57,427 INFO L295 CfgBuilder]: Removed 18 assume(true) statements. [2020-08-28 01:48:57,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 01:48:57 BoogieIcfgContainer [2020-08-28 01:48:57,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-28 01:48:57,438 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-28 01:48:57,438 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-28 01:48:57,442 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-28 01:48:57,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.08 01:48:55" (1/3) ... [2020-08-28 01:48:57,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea4e2df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 01:48:57, skipping insertion in model container [2020-08-28 01:48:57,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 01:48:55" (2/3) ... [2020-08-28 01:48:57,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea4e2df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 01:48:57, skipping insertion in model container [2020-08-28 01:48:57,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 01:48:57" (3/3) ... [2020-08-28 01:48:57,447 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.16.cil.c [2020-08-28 01:48:57,461 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-28 01:48:57,473 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-28 01:48:57,496 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-28 01:48:57,531 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-28 01:48:57,531 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-28 01:48:57,531 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-28 01:48:57,532 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-28 01:48:57,532 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-28 01:48:57,532 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-28 01:48:57,532 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-28 01:48:57,532 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-28 01:48:57,568 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states. [2020-08-28 01:48:57,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-08-28 01:48:57,589 INFO L414 BasicCegarLoop]: Found error trace [2020-08-28 01:48:57,591 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-28 01:48:57,591 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-28 01:48:57,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-28 01:48:57,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1383974208, now seen corresponding path program 1 times [2020-08-28 01:48:57,612 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-28 01:48:57,613 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1525881195] [2020-08-28 01:48:57,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-28 01:48:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-28 01:48:58,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-28 01:48:58,027 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Proof production must be enabled (you can do this via setOption). at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:211) at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:170) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-08-28 01:48:58,034 INFO L168 Benchmark]: Toolchain (without parser) took 2975.56 ms. Allocated memory was 139.5 MB in the beginning and 237.0 MB in the end (delta: 97.5 MB). Free memory was 101.4 MB in the beginning and 125.9 MB in the end (delta: -24.5 MB). Peak memory consumption was 73.0 MB. Max. memory is 7.1 GB. [2020-08-28 01:48:58,036 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-28 01:48:58,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 838.33 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 101.2 MB in the beginning and 172.5 MB in the end (delta: -71.3 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. [2020-08-28 01:48:58,038 INFO L168 Benchmark]: Boogie Preprocessor took 120.30 ms. Allocated memory is still 203.4 MB. Free memory was 172.5 MB in the beginning and 167.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-08-28 01:48:58,039 INFO L168 Benchmark]: RCFGBuilder took 1418.47 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 167.6 MB in the beginning and 173.0 MB in the end (delta: -5.4 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2020-08-28 01:48:58,040 INFO L168 Benchmark]: TraceAbstraction took 592.61 ms. Allocated memory is still 237.0 MB. Free memory was 173.0 MB in the beginning and 125.9 MB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 7.1 GB. [2020-08-28 01:48:58,044 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 838.33 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 101.2 MB in the beginning and 172.5 MB in the end (delta: -71.3 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.30 ms. Allocated memory is still 203.4 MB. Free memory was 172.5 MB in the beginning and 167.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1418.47 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 167.6 MB in the beginning and 173.0 MB in the end (delta: -5.4 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 592.61 ms. Allocated memory is still 237.0 MB. Free memory was 173.0 MB in the beginning and 125.9 MB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Proof production must be enabled (you can do this via setOption). de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Proof production must be enabled (you can do this via setOption).: de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:211) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...