/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/systemc/transmitter.01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 14:06:53,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 14:06:53,017 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 14:06:53,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 14:06:53,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 14:06:53,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 14:06:53,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 14:06:53,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 14:06:53,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 14:06:53,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 14:06:53,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 14:06:53,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 14:06:53,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 14:06:53,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 14:06:53,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 14:06:53,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 14:06:53,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 14:06:53,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 14:06:53,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 14:06:53,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 14:06:53,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 14:06:53,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 14:06:53,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 14:06:53,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 14:06:53,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 14:06:53,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 14:06:53,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 14:06:53,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 14:06:53,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 14:06:53,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 14:06:53,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 14:06:53,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 14:06:53,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 14:06:53,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 14:06:53,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 14:06:53,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 14:06:53,063 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 14:06:53,072 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 14:06:53,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 14:06:53,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 14:06:53,073 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 14:06:53,073 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 14:06:53,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 14:06:53,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 14:06:53,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 14:06:53,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 14:06:53,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 14:06:53,075 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 14:06:53,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 14:06:53,075 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 14:06:53,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 14:06:53,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 14:06:53,076 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 14:06:53,076 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 14:06:53,076 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 14:06:53,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 14:06:53,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 14:06:53,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 14:06:53,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 14:06:53,077 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 14:06:53,362 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 14:06:53,375 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 14:06:53,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 14:06:53,380 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 14:06:53,380 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 14:06:53,381 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.01.cil.c [2020-07-07 14:06:53,450 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1220cae4/79d29308bd2744ddb6c7b6c229186ec8/FLAGfe02b30d2 [2020-07-07 14:06:53,908 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 14:06:53,909 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.01.cil.c [2020-07-07 14:06:53,917 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1220cae4/79d29308bd2744ddb6c7b6c229186ec8/FLAGfe02b30d2 [2020-07-07 14:06:54,269 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1220cae4/79d29308bd2744ddb6c7b6c229186ec8 [2020-07-07 14:06:54,280 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 14:06:54,282 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 14:06:54,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 14:06:54,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 14:06:54,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 14:06:54,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 02:06:54" (1/1) ... [2020-07-07 14:06:54,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fdaa858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:06:54, skipping insertion in model container [2020-07-07 14:06:54,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 02:06:54" (1/1) ... [2020-07-07 14:06:54,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 14:06:54,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 14:06:54,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 14:06:54,547 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 14:06:54,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 14:06:54,704 INFO L208 MainTranslator]: Completed translation [2020-07-07 14:06:54,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:06:54 WrapperNode [2020-07-07 14:06:54,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 14:06:54,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 14:06:54,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 14:06:54,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 14:06:54,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:06:54" (1/1) ... [2020-07-07 14:06:54,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:06:54" (1/1) ... [2020-07-07 14:06:54,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:06:54" (1/1) ... [2020-07-07 14:06:54,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:06:54" (1/1) ... [2020-07-07 14:06:54,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:06:54" (1/1) ... [2020-07-07 14:06:54,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:06:54" (1/1) ... [2020-07-07 14:06:54,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:06:54" (1/1) ... [2020-07-07 14:06:54,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 14:06:54,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 14:06:54,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 14:06:54,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 14:06:54,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:06:54" (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 [2020-07-07 14:06:54,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 14:06:54,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 14:06:54,812 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-07-07 14:06:54,812 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-07-07 14:06:54,812 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-07-07 14:06:54,812 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-07-07 14:06:54,812 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-07-07 14:06:54,812 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-07-07 14:06:54,812 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-07-07 14:06:54,813 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-07-07 14:06:54,813 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-07-07 14:06:54,813 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-07-07 14:06:54,813 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-07-07 14:06:54,813 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-07-07 14:06:54,813 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-07-07 14:06:54,814 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-07-07 14:06:54,814 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-07-07 14:06:54,814 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-07-07 14:06:54,814 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-07-07 14:06:54,814 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-07-07 14:06:54,814 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 14:06:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 14:06:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 14:06:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-07-07 14:06:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-07-07 14:06:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-07-07 14:06:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-07-07 14:06:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-07-07 14:06:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-07-07 14:06:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-07-07 14:06:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-07-07 14:06:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-07-07 14:06:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-07-07 14:06:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-07-07 14:06:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-07-07 14:06:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-07-07 14:06:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-07-07 14:06:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-07-07 14:06:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-07-07 14:06:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-07-07 14:06:54,818 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-07-07 14:06:54,818 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 14:06:54,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 14:06:54,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 14:06:55,325 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 14:06:55,325 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 14:06:55,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 02:06:55 BoogieIcfgContainer [2020-07-07 14:06:55,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 14:06:55,336 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 14:06:55,336 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 14:06:55,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 14:06:55,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 02:06:54" (1/3) ... [2020-07-07 14:06:55,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cbe30e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 02:06:55, skipping insertion in model container [2020-07-07 14:06:55,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:06:54" (2/3) ... [2020-07-07 14:06:55,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cbe30e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 02:06:55, skipping insertion in model container [2020-07-07 14:06:55,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 02:06:55" (3/3) ... [2020-07-07 14:06:55,346 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.01.cil.c [2020-07-07 14:06:55,356 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 14:06:55,365 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 14:06:55,378 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 14:06:55,399 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 14:06:55,399 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 14:06:55,400 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 14:06:55,400 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 14:06:55,400 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 14:06:55,400 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 14:06:55,400 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 14:06:55,400 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 14:06:55,420 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states. [2020-07-07 14:06:55,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-07 14:06:55,437 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:06:55,439 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] [2020-07-07 14:06:55,439 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:06:55,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:06:55,446 INFO L82 PathProgramCache]: Analyzing trace with hash 486796623, now seen corresponding path program 1 times [2020-07-07 14:06:55,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:06:55,453 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1807677608] [2020-07-07 14:06:55,453 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:06:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:55,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 14:06:55,937 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:06:55,939 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1807677608] [2020-07-07 14:06:55,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:06:55,942 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 14:06:55,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319757963] [2020-07-07 14:06:55,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 14:06:55,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:06:55,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 14:06:55,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-07 14:06:55,967 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 7 states. [2020-07-07 14:06:58,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:06:58,005 INFO L93 Difference]: Finished difference Result 708 states and 984 transitions. [2020-07-07 14:06:58,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 14:06:58,007 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 102 [2020-07-07 14:06:58,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:06:58,028 INFO L225 Difference]: With dead ends: 708 [2020-07-07 14:06:58,028 INFO L226 Difference]: Without dead ends: 516 [2020-07-07 14:06:58,035 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2020-07-07 14:06:58,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2020-07-07 14:06:58,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 347. [2020-07-07 14:06:58,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2020-07-07 14:06:58,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 433 transitions. [2020-07-07 14:06:58,171 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 433 transitions. Word has length 102 [2020-07-07 14:06:58,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:06:58,172 INFO L479 AbstractCegarLoop]: Abstraction has 347 states and 433 transitions. [2020-07-07 14:06:58,173 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 14:06:58,173 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 433 transitions. [2020-07-07 14:06:58,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-07 14:06:58,178 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:06:58,178 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] [2020-07-07 14:06:58,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 14:06:58,179 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:06:58,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:06:58,179 INFO L82 PathProgramCache]: Analyzing trace with hash -2043764254, now seen corresponding path program 1 times [2020-07-07 14:06:58,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:06:58,180 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1520606945] [2020-07-07 14:06:58,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:06:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:58,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:58,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 14:06:58,387 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:06:58,387 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1520606945] [2020-07-07 14:06:58,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:06:58,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 14:06:58,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362101813] [2020-07-07 14:06:58,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 14:06:58,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:06:58,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 14:06:58,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 14:06:58,394 INFO L87 Difference]: Start difference. First operand 347 states and 433 transitions. Second operand 8 states. [2020-07-07 14:06:59,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:06:59,403 INFO L93 Difference]: Finished difference Result 815 states and 1061 transitions. [2020-07-07 14:06:59,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-07 14:06:59,404 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2020-07-07 14:06:59,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:06:59,414 INFO L225 Difference]: With dead ends: 815 [2020-07-07 14:06:59,415 INFO L226 Difference]: Without dead ends: 503 [2020-07-07 14:06:59,420 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-07-07 14:06:59,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2020-07-07 14:06:59,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 338. [2020-07-07 14:06:59,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-07-07 14:06:59,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 418 transitions. [2020-07-07 14:06:59,533 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 418 transitions. Word has length 103 [2020-07-07 14:06:59,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:06:59,535 INFO L479 AbstractCegarLoop]: Abstraction has 338 states and 418 transitions. [2020-07-07 14:06:59,535 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 14:06:59,536 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 418 transitions. [2020-07-07 14:06:59,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-07 14:06:59,545 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:06:59,546 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] [2020-07-07 14:06:59,546 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 14:06:59,546 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:06:59,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:06:59,547 INFO L82 PathProgramCache]: Analyzing trace with hash -891577735, now seen corresponding path program 1 times [2020-07-07 14:06:59,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:06:59,548 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [378304835] [2020-07-07 14:06:59,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:06:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:59,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:06:59,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 14:06:59,738 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:06:59,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [378304835] [2020-07-07 14:06:59,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:06:59,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 14:06:59,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855399681] [2020-07-07 14:06:59,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 14:06:59,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:06:59,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 14:06:59,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-07 14:06:59,741 INFO L87 Difference]: Start difference. First operand 338 states and 418 transitions. Second operand 7 states. [2020-07-07 14:07:01,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:07:01,131 INFO L93 Difference]: Finished difference Result 1254 states and 1740 transitions. [2020-07-07 14:07:01,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 14:07:01,132 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 107 [2020-07-07 14:07:01,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:07:01,140 INFO L225 Difference]: With dead ends: 1254 [2020-07-07 14:07:01,141 INFO L226 Difference]: Without dead ends: 951 [2020-07-07 14:07:01,144 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2020-07-07 14:07:01,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2020-07-07 14:07:01,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 685. [2020-07-07 14:07:01,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2020-07-07 14:07:01,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 880 transitions. [2020-07-07 14:07:01,301 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 880 transitions. Word has length 107 [2020-07-07 14:07:01,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:07:01,302 INFO L479 AbstractCegarLoop]: Abstraction has 685 states and 880 transitions. [2020-07-07 14:07:01,302 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 14:07:01,302 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 880 transitions. [2020-07-07 14:07:01,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-07-07 14:07:01,304 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:07:01,305 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 14:07:01,305 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 14:07:01,305 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:07:01,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:07:01,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1602138582, now seen corresponding path program 1 times [2020-07-07 14:07:01,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:07:01,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1829693225] [2020-07-07 14:07:01,307 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:07:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:01,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 14:07:01,521 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:07:01,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1829693225] [2020-07-07 14:07:01,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:07:01,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 14:07:01,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665104605] [2020-07-07 14:07:01,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 14:07:01,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:07:01,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 14:07:01,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-07 14:07:01,524 INFO L87 Difference]: Start difference. First operand 685 states and 880 transitions. Second operand 8 states. [2020-07-07 14:07:03,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:07:03,644 INFO L93 Difference]: Finished difference Result 2592 states and 3797 transitions. [2020-07-07 14:07:03,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-07 14:07:03,644 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 139 [2020-07-07 14:07:03,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:07:03,667 INFO L225 Difference]: With dead ends: 2592 [2020-07-07 14:07:03,668 INFO L226 Difference]: Without dead ends: 1943 [2020-07-07 14:07:03,675 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=148, Invalid=314, Unknown=0, NotChecked=0, Total=462 [2020-07-07 14:07:03,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1943 states. [2020-07-07 14:07:03,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1943 to 1454. [2020-07-07 14:07:03,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1454 states. [2020-07-07 14:07:03,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1454 states and 1985 transitions. [2020-07-07 14:07:03,890 INFO L78 Accepts]: Start accepts. Automaton has 1454 states and 1985 transitions. Word has length 139 [2020-07-07 14:07:03,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:07:03,892 INFO L479 AbstractCegarLoop]: Abstraction has 1454 states and 1985 transitions. [2020-07-07 14:07:03,892 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 14:07:03,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 1985 transitions. [2020-07-07 14:07:03,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-07-07 14:07:03,900 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:07:03,901 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 14:07:03,901 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 14:07:03,901 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:07:03,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:07:03,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1051815898, now seen corresponding path program 1 times [2020-07-07 14:07:03,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:07:03,906 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2118901067] [2020-07-07 14:07:03,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:07:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:04,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 14:07:04,169 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:07:04,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2118901067] [2020-07-07 14:07:04,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:07:04,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 14:07:04,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684286507] [2020-07-07 14:07:04,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 14:07:04,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:07:04,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 14:07:04,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-07 14:07:04,200 INFO L87 Difference]: Start difference. First operand 1454 states and 1985 transitions. Second operand 10 states. [2020-07-07 14:07:06,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:07:06,310 INFO L93 Difference]: Finished difference Result 3752 states and 5602 transitions. [2020-07-07 14:07:06,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-07-07 14:07:06,311 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 182 [2020-07-07 14:07:06,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:07:06,337 INFO L225 Difference]: With dead ends: 3752 [2020-07-07 14:07:06,338 INFO L226 Difference]: Without dead ends: 2339 [2020-07-07 14:07:06,356 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2020-07-07 14:07:06,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2339 states. [2020-07-07 14:07:06,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2339 to 1810. [2020-07-07 14:07:06,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1810 states. [2020-07-07 14:07:06,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1810 states to 1810 states and 2415 transitions. [2020-07-07 14:07:06,756 INFO L78 Accepts]: Start accepts. Automaton has 1810 states and 2415 transitions. Word has length 182 [2020-07-07 14:07:06,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:07:06,756 INFO L479 AbstractCegarLoop]: Abstraction has 1810 states and 2415 transitions. [2020-07-07 14:07:06,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 14:07:06,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 2415 transitions. [2020-07-07 14:07:06,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-07-07 14:07:06,763 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:07:06,764 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 14:07:06,764 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 14:07:06,764 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:07:06,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:07:06,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1421271293, now seen corresponding path program 1 times [2020-07-07 14:07:06,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:07:06,765 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1147193578] [2020-07-07 14:07:06,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:07:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 14:07:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 14:07:06,893 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:07:06,893 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-07 14:07:06,893 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 14:07:06,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 14:07:06,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 02:07:06 BoogieIcfgContainer [2020-07-07 14:07:06,938 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 14:07:06,942 INFO L168 Benchmark]: Toolchain (without parser) took 12657.80 ms. Allocated memory was 145.8 MB in the beginning and 457.7 MB in the end (delta: 312.0 MB). Free memory was 103.4 MB in the beginning and 343.0 MB in the end (delta: -239.6 MB). Peak memory consumption was 72.3 MB. Max. memory is 7.1 GB. [2020-07-07 14:07:06,943 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 145.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-07-07 14:07:06,944 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.60 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 103.2 MB in the beginning and 181.1 MB in the end (delta: -77.9 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2020-07-07 14:07:06,949 INFO L168 Benchmark]: Boogie Preprocessor took 40.36 ms. Allocated memory is still 202.4 MB. Free memory was 181.1 MB in the beginning and 178.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2020-07-07 14:07:06,950 INFO L168 Benchmark]: RCFGBuilder took 587.96 ms. Allocated memory is still 202.4 MB. Free memory was 178.7 MB in the beginning and 144.8 MB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2020-07-07 14:07:06,951 INFO L168 Benchmark]: TraceAbstraction took 11601.93 ms. Allocated memory was 202.4 MB in the beginning and 457.7 MB in the end (delta: 255.3 MB). Free memory was 144.1 MB in the beginning and 343.0 MB in the end (delta: -198.9 MB). Peak memory consumption was 56.4 MB. Max. memory is 7.1 GB. [2020-07-07 14:07:06,963 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 145.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 422.60 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 103.2 MB in the beginning and 181.1 MB in the end (delta: -77.9 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.36 ms. Allocated memory is still 202.4 MB. Free memory was 181.1 MB in the beginning and 178.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 587.96 ms. Allocated memory is still 202.4 MB. Free memory was 178.7 MB in the beginning and 144.8 MB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11601.93 ms. Allocated memory was 202.4 MB in the beginning and 457.7 MB in the end (delta: 255.3 MB). Free memory was 144.1 MB in the beginning and 343.0 MB in the end (delta: -198.9 MB). Peak memory consumption was 56.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 11]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L15] int m_pc = 0; [L16] int t1_pc = 0; [L17] int m_st ; [L18] int t1_st ; [L19] int m_i ; [L20] int t1_i ; [L21] int M_E = 2; [L22] int T1_E = 2; [L23] int E_1 = 2; [L439] int __retres1 ; [L443] CALL init_model() [L354] m_i = 1 [L355] t1_i = 1 [L443] RET init_model() [L444] CALL start_simulation() [L380] int kernel_st ; [L381] int tmp ; [L382] int tmp___0 ; [L386] kernel_st = 0 [L387] FCALL update_channels() [L388] CALL init_threads() [L151] COND TRUE m_i == 1 [L152] m_st = 0 [L156] COND TRUE t1_i == 1 [L157] t1_st = 0 [L388] RET init_threads() [L389] CALL fire_delta_events() [L240] COND FALSE !(M_E == 0) [L245] COND FALSE !(T1_E == 0) [L250] COND FALSE !(E_1 == 0) [L389] RET fire_delta_events() [L390] CALL activate_threads() [L283] int tmp ; [L284] int tmp___0 ; [L288] CALL, EXPR is_master_triggered() [L102] int __retres1 ; [L105] COND FALSE !(m_pc == 1) [L115] __retres1 = 0 [L117] return (__retres1); [L288] RET, EXPR is_master_triggered() [L288] tmp = is_master_triggered() [L290] COND FALSE !(\read(tmp)) [L296] CALL, EXPR is_transmit1_triggered() [L121] int __retres1 ; [L124] COND FALSE !(t1_pc == 1) [L134] __retres1 = 0 [L136] return (__retres1); [L296] RET, EXPR is_transmit1_triggered() [L296] tmp___0 = is_transmit1_triggered() [L298] COND FALSE !(\read(tmp___0)) [L390] RET activate_threads() [L391] CALL reset_delta_events() [L263] COND FALSE !(M_E == 1) [L268] COND FALSE !(T1_E == 1) [L273] COND FALSE !(E_1 == 1) [L391] RET reset_delta_events() [L394] COND TRUE 1 [L397] kernel_st = 1 [L398] CALL eval() [L187] int tmp ; [L191] COND TRUE 1 [L194] CALL, EXPR exists_runnable_thread() [L166] int __retres1 ; [L169] COND TRUE m_st == 0 [L170] __retres1 = 1 [L182] return (__retres1); [L194] RET, EXPR exists_runnable_thread() [L194] tmp = exists_runnable_thread() [L196] COND TRUE \read(tmp) [L201] COND TRUE m_st == 0 [L202] int tmp_ndt_1; [L203] tmp_ndt_1 = __VERIFIER_nondet_int() [L204] COND FALSE !(\read(tmp_ndt_1)) [L215] COND TRUE t1_st == 0 [L216] int tmp_ndt_2; [L217] tmp_ndt_2 = __VERIFIER_nondet_int() [L218] COND TRUE \read(tmp_ndt_2) [L220] t1_st = 1 [L221] CALL transmit1() [L72] COND TRUE t1_pc == 0 [L83] COND TRUE 1 [L85] t1_pc = 1 [L86] t1_st = 2 [L221] RET transmit1() [L191] COND TRUE 1 [L194] CALL, EXPR exists_runnable_thread() [L166] int __retres1 ; [L169] COND TRUE m_st == 0 [L170] __retres1 = 1 [L182] return (__retres1); [L194] RET, EXPR exists_runnable_thread() [L194] tmp = exists_runnable_thread() [L196] COND TRUE \read(tmp) [L201] COND TRUE m_st == 0 [L202] int tmp_ndt_1; [L203] tmp_ndt_1 = __VERIFIER_nondet_int() [L204] COND TRUE \read(tmp_ndt_1) [L206] m_st = 1 [L207] CALL master() [L31] COND TRUE m_pc == 0 [L42] COND TRUE 1 [L45] E_1 = 1 [L46] CALL immediate_notify() [L312] CALL activate_threads() [L283] int tmp ; [L284] int tmp___0 ; [L288] CALL, EXPR is_master_triggered() [L102] int __retres1 ; [L105] COND FALSE !(m_pc == 1) [L115] __retres1 = 0 [L117] return (__retres1); [L288] RET, EXPR is_master_triggered() [L288] tmp = is_master_triggered() [L290] COND FALSE !(\read(tmp)) [L296] CALL, EXPR is_transmit1_triggered() [L121] int __retres1 ; [L124] COND TRUE t1_pc == 1 [L125] COND TRUE E_1 == 1 [L126] __retres1 = 1 [L136] return (__retres1); [L296] RET, EXPR is_transmit1_triggered() [L296] tmp___0 = is_transmit1_triggered() [L298] COND TRUE \read(tmp___0) [L299] t1_st = 0 [L312] RET activate_threads() [L46] RET immediate_notify() [L47] E_1 = 2 [L50] COND TRUE 1 [L52] m_pc = 1 [L53] m_st = 2 [L207] RET master() [L215] COND TRUE t1_st == 0 [L216] int tmp_ndt_2; [L217] tmp_ndt_2 = __VERIFIER_nondet_int() [L218] COND TRUE \read(tmp_ndt_2) [L220] t1_st = 1 [L221] CALL transmit1() [L72] COND FALSE !(t1_pc == 0) [L75] COND TRUE t1_pc == 1 [L91] CALL error() [L11] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 201 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.4s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1075 SDtfs, 5036 SDslu, 218 SDs, 0 SdLazy, 4063 SolverSat, 1867 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 249 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1810occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 1618 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...