/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/transmitter.01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 12:26:00,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 12:26:00,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 12:26:00,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 12:26:00,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 12:26:00,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 12:26:00,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 12:26:00,483 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 12:26:00,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 12:26:00,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 12:26:00,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 12:26:00,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 12:26:00,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 12:26:00,495 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 12:26:00,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 12:26:00,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 12:26:00,500 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 12:26:00,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 12:26:00,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 12:26:00,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 12:26:00,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 12:26:00,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 12:26:00,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 12:26:00,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 12:26:00,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 12:26:00,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 12:26:00,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 12:26:00,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 12:26:00,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 12:26:00,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-07-20 12:26:00,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 12:26:00,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 12:26:00,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 12:26:00,535 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 12:26:00,563 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 12:26:00,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 12:26:00,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 12:26:00,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 12:26:00,565 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 12:26:00,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 12:26:00,566 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 12:26:00,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 12:26:00,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 12:26:00,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 12:26:00,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 12:26:00,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 12:26:00,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 12:26:00,567 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 12:26:00,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 12:26:00,567 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 12:26:00,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 12:26:00,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 12:26:00,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 12:26:00,568 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 12:26:00,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 12:26:00,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 12:26:00,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 12:26:00,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 12:26:00,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 12:26:00,569 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 12:26:00,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:26:00,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 12:26:00,570 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 12:26:00,570 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 -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-20 12:26:00,862 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 12:26:00,877 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 12:26:00,881 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 12:26:00,883 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 12:26:00,883 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 12:26:00,884 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.01.cil.c [2020-07-20 12:26:00,960 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e5b60b7c/c70f555c7d1843149d9ee49d81fdcf33/FLAG1e282383b [2020-07-20 12:26:01,474 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 12:26:01,475 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.01.cil.c [2020-07-20 12:26:01,484 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e5b60b7c/c70f555c7d1843149d9ee49d81fdcf33/FLAG1e282383b [2020-07-20 12:26:01,803 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e5b60b7c/c70f555c7d1843149d9ee49d81fdcf33 [2020-07-20 12:26:01,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 12:26:01,815 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 12:26:01,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 12:26:01,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 12:26:01,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 12:26:01,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:26:01" (1/1) ... [2020-07-20 12:26:01,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b27b408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:26:01, skipping insertion in model container [2020-07-20 12:26:01,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:26:01" (1/1) ... [2020-07-20 12:26:01,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 12:26:01,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 12:26:02,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 12:26:02,076 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 12:26:02,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 12:26:02,242 INFO L208 MainTranslator]: Completed translation [2020-07-20 12:26:02,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:26:02 WrapperNode [2020-07-20 12:26:02,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 12:26:02,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 12:26:02,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 12:26:02,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 12:26:02,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:26:02" (1/1) ... [2020-07-20 12:26:02,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:26:02" (1/1) ... [2020-07-20 12:26:02,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:26:02" (1/1) ... [2020-07-20 12:26:02,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:26:02" (1/1) ... [2020-07-20 12:26:02,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:26:02" (1/1) ... [2020-07-20 12:26:02,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:26:02" (1/1) ... [2020-07-20 12:26:02,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:26:02" (1/1) ... [2020-07-20 12:26:02,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 12:26:02,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 12:26:02,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 12:26:02,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 12:26:02,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:26:02" (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 [2020-07-20 12:26:02,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 12:26:02,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 12:26:02,351 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-07-20 12:26:02,351 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-07-20 12:26:02,351 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-07-20 12:26:02,352 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-07-20 12:26:02,352 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-07-20 12:26:02,352 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-07-20 12:26:02,352 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-07-20 12:26:02,353 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-07-20 12:26:02,353 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-07-20 12:26:02,353 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-07-20 12:26:02,353 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-07-20 12:26:02,353 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-07-20 12:26:02,353 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-07-20 12:26:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-07-20 12:26:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-07-20 12:26:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-07-20 12:26:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-07-20 12:26:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-07-20 12:26:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 12:26:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 12:26:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 12:26:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-07-20 12:26:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-07-20 12:26:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-07-20 12:26:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-07-20 12:26:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-07-20 12:26:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-07-20 12:26:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-07-20 12:26:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-07-20 12:26:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-07-20 12:26:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-07-20 12:26:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-07-20 12:26:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-07-20 12:26:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-07-20 12:26:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-07-20 12:26:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-07-20 12:26:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-07-20 12:26:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-07-20 12:26:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-07-20 12:26:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 12:26:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 12:26:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 12:26:02,852 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 12:26:02,853 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 12:26:02,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:26:02 BoogieIcfgContainer [2020-07-20 12:26:02,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 12:26:02,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 12:26:02,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 12:26:02,863 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 12:26:02,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:26:01" (1/3) ... [2020-07-20 12:26:02,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21ed514d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:26:02, skipping insertion in model container [2020-07-20 12:26:02,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:26:02" (2/3) ... [2020-07-20 12:26:02,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21ed514d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:26:02, skipping insertion in model container [2020-07-20 12:26:02,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:26:02" (3/3) ... [2020-07-20 12:26:02,868 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.01.cil.c [2020-07-20 12:26:02,878 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 12:26:02,886 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 12:26:02,902 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 12:26:02,929 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 12:26:02,930 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 12:26:02,930 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 12:26:02,930 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 12:26:02,931 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 12:26:02,931 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 12:26:02,931 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 12:26:02,931 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 12:26:02,957 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2020-07-20 12:26:02,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-07-20 12:26:02,968 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:26:02,970 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] [2020-07-20 12:26:02,970 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:26:02,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:26:02,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1024647557, now seen corresponding path program 1 times [2020-07-20 12:26:02,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:26:02,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [16569008] [2020-07-20 12:26:02,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:26:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:26:03,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 12:26:03,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:26:03,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 12:26:03,327 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 12:26:03,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [16569008] [2020-07-20 12:26:03,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 12:26:03,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 12:26:03,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646302433] [2020-07-20 12:26:03,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 12:26:03,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:26:03,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 12:26:03,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 12:26:03,355 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 3 states. [2020-07-20 12:26:03,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:26:03,457 INFO L93 Difference]: Finished difference Result 366 states and 516 transitions. [2020-07-20 12:26:03,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 12:26:03,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-07-20 12:26:03,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:26:03,478 INFO L225 Difference]: With dead ends: 366 [2020-07-20 12:26:03,478 INFO L226 Difference]: Without dead ends: 234 [2020-07-20 12:26:03,484 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 12:26:03,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-07-20 12:26:03,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 226. [2020-07-20 12:26:03,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-07-20 12:26:03,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 302 transitions. [2020-07-20 12:26:03,575 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 302 transitions. Word has length 75 [2020-07-20 12:26:03,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:26:03,576 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 302 transitions. [2020-07-20 12:26:03,576 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 12:26:03,576 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 302 transitions. [2020-07-20 12:26:03,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-07-20 12:26:03,582 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:26:03,582 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] [2020-07-20 12:26:03,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:26:03,796 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:26:03,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:26:03,797 INFO L82 PathProgramCache]: Analyzing trace with hash 106614370, now seen corresponding path program 1 times [2020-07-20 12:26:03,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:26:03,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [20826080] [2020-07-20 12:26:03,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:26:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:26:03,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 12:26:03,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:26:03,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 12:26:03,958 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 12:26:03,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [20826080] [2020-07-20 12:26:03,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 12:26:03,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 12:26:03,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729459407] [2020-07-20 12:26:03,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 12:26:03,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:26:03,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 12:26:03,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 12:26:03,963 INFO L87 Difference]: Start difference. First operand 226 states and 302 transitions. Second operand 3 states. [2020-07-20 12:26:04,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:26:04,039 INFO L93 Difference]: Finished difference Result 622 states and 856 transitions. [2020-07-20 12:26:04,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 12:26:04,040 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2020-07-20 12:26:04,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:26:04,050 INFO L225 Difference]: With dead ends: 622 [2020-07-20 12:26:04,050 INFO L226 Difference]: Without dead ends: 421 [2020-07-20 12:26:04,058 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 12:26:04,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-07-20 12:26:04,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 415. [2020-07-20 12:26:04,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2020-07-20 12:26:04,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 556 transitions. [2020-07-20 12:26:04,123 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 556 transitions. Word has length 76 [2020-07-20 12:26:04,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:26:04,124 INFO L479 AbstractCegarLoop]: Abstraction has 415 states and 556 transitions. [2020-07-20 12:26:04,124 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 12:26:04,124 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 556 transitions. [2020-07-20 12:26:04,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-07-20 12:26:04,128 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:26:04,128 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] [2020-07-20 12:26:04,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:26:04,344 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:26:04,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:26:04,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1201390399, now seen corresponding path program 1 times [2020-07-20 12:26:04,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:26:04,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [736735461] [2020-07-20 12:26:04,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:26:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:26:04,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 12:26:04,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:26:04,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 12:26:04,515 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 12:26:04,515 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [736735461] [2020-07-20 12:26:04,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 12:26:04,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 12:26:04,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868344818] [2020-07-20 12:26:04,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 12:26:04,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:26:04,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 12:26:04,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 12:26:04,519 INFO L87 Difference]: Start difference. First operand 415 states and 556 transitions. Second operand 3 states. [2020-07-20 12:26:04,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:26:04,633 INFO L93 Difference]: Finished difference Result 1178 states and 1628 transitions. [2020-07-20 12:26:04,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 12:26:04,633 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2020-07-20 12:26:04,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:26:04,641 INFO L225 Difference]: With dead ends: 1178 [2020-07-20 12:26:04,642 INFO L226 Difference]: Without dead ends: 788 [2020-07-20 12:26:04,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 12:26:04,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2020-07-20 12:26:04,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 780. [2020-07-20 12:26:04,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 780 states. [2020-07-20 12:26:04,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1055 transitions. [2020-07-20 12:26:04,728 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1055 transitions. Word has length 76 [2020-07-20 12:26:04,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:26:04,728 INFO L479 AbstractCegarLoop]: Abstraction has 780 states and 1055 transitions. [2020-07-20 12:26:04,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 12:26:04,729 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1055 transitions. [2020-07-20 12:26:04,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-07-20 12:26:04,735 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:26:04,735 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 12:26:04,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:26:04,950 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:26:04,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:26:04,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1503303426, now seen corresponding path program 1 times [2020-07-20 12:26:04,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:26:04,952 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1823017414] [2020-07-20 12:26:04,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:26:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:26:05,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 12:26:05,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:26:05,077 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 12:26:05,078 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 12:26:05,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1823017414] [2020-07-20 12:26:05,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 12:26:05,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 12:26:05,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791555002] [2020-07-20 12:26:05,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 12:26:05,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:26:05,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 12:26:05,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 12:26:05,081 INFO L87 Difference]: Start difference. First operand 780 states and 1055 transitions. Second operand 3 states. [2020-07-20 12:26:05,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:26:05,199 INFO L93 Difference]: Finished difference Result 2245 states and 3186 transitions. [2020-07-20 12:26:05,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 12:26:05,200 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2020-07-20 12:26:05,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:26:05,214 INFO L225 Difference]: With dead ends: 2245 [2020-07-20 12:26:05,214 INFO L226 Difference]: Without dead ends: 1492 [2020-07-20 12:26:05,219 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 12:26:05,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1492 states. [2020-07-20 12:26:05,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1492 to 1492. [2020-07-20 12:26:05,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1492 states. [2020-07-20 12:26:05,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 2086 transitions. [2020-07-20 12:26:05,321 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 2086 transitions. Word has length 95 [2020-07-20 12:26:05,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:26:05,322 INFO L479 AbstractCegarLoop]: Abstraction has 1492 states and 2086 transitions. [2020-07-20 12:26:05,322 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 12:26:05,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 2086 transitions. [2020-07-20 12:26:05,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-07-20 12:26:05,331 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:26:05,331 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-20 12:26:05,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:26:05,544 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:26:05,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:26:05,545 INFO L82 PathProgramCache]: Analyzing trace with hash 301276929, now seen corresponding path program 1 times [2020-07-20 12:26:05,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:26:05,546 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1901794827] [2020-07-20 12:26:05,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:26:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:26:05,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 12:26:05,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:26:05,709 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-07-20 12:26:05,710 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 12:26:05,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1901794827] [2020-07-20 12:26:05,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 12:26:05,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 12:26:05,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308947805] [2020-07-20 12:26:05,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 12:26:05,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:26:05,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 12:26:05,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 12:26:05,713 INFO L87 Difference]: Start difference. First operand 1492 states and 2086 transitions. Second operand 3 states. [2020-07-20 12:26:05,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:26:05,809 INFO L93 Difference]: Finished difference Result 2874 states and 3952 transitions. [2020-07-20 12:26:05,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 12:26:05,809 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2020-07-20 12:26:05,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:26:05,822 INFO L225 Difference]: With dead ends: 2874 [2020-07-20 12:26:05,841 INFO L226 Difference]: Without dead ends: 1671 [2020-07-20 12:26:05,847 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 160 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 12:26:05,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2020-07-20 12:26:05,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1668. [2020-07-20 12:26:05,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1668 states. [2020-07-20 12:26:05,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1668 states and 2176 transitions. [2020-07-20 12:26:05,935 INFO L78 Accepts]: Start accepts. Automaton has 1668 states and 2176 transitions. Word has length 163 [2020-07-20 12:26:05,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:26:05,936 INFO L479 AbstractCegarLoop]: Abstraction has 1668 states and 2176 transitions. [2020-07-20 12:26:05,936 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 12:26:05,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2176 transitions. [2020-07-20 12:26:05,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-07-20 12:26:05,940 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:26:05,940 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 12:26:06,155 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:26:06,156 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:26:06,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:26:06,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1914892441, now seen corresponding path program 1 times [2020-07-20 12:26:06,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:26:06,157 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [614754779] [2020-07-20 12:26:06,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:26:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:26:06,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 12:26:06,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:26:06,315 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-07-20 12:26:06,315 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 12:26:06,316 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [614754779] [2020-07-20 12:26:06,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 12:26:06,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 12:26:06,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038509978] [2020-07-20 12:26:06,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 12:26:06,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:26:06,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 12:26:06,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 12:26:06,318 INFO L87 Difference]: Start difference. First operand 1668 states and 2176 transitions. Second operand 5 states. [2020-07-20 12:26:07,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:26:07,125 INFO L93 Difference]: Finished difference Result 5178 states and 7041 transitions. [2020-07-20 12:26:07,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 12:26:07,126 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2020-07-20 12:26:07,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:26:07,158 INFO L225 Difference]: With dead ends: 5178 [2020-07-20 12:26:07,158 INFO L226 Difference]: Without dead ends: 3539 [2020-07-20 12:26:07,167 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 12:26:07,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3539 states. [2020-07-20 12:26:07,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3539 to 3184. [2020-07-20 12:26:07,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3184 states. [2020-07-20 12:26:07,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 4100 transitions. [2020-07-20 12:26:07,382 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 4100 transitions. Word has length 129 [2020-07-20 12:26:07,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:26:07,383 INFO L479 AbstractCegarLoop]: Abstraction has 3184 states and 4100 transitions. [2020-07-20 12:26:07,383 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 12:26:07,383 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 4100 transitions. [2020-07-20 12:26:07,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-07-20 12:26:07,390 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:26:07,390 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 12:26:07,603 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:26:07,604 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:26:07,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:26:07,604 INFO L82 PathProgramCache]: Analyzing trace with hash -58272937, now seen corresponding path program 1 times [2020-07-20 12:26:07,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:26:07,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1368288234] [2020-07-20 12:26:07,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:26:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:26:07,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 12:26:07,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:26:07,781 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-07-20 12:26:07,781 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 12:26:07,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1368288234] [2020-07-20 12:26:07,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 12:26:07,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 12:26:07,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652011381] [2020-07-20 12:26:07,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 12:26:07,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:26:07,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 12:26:07,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 12:26:07,784 INFO L87 Difference]: Start difference. First operand 3184 states and 4100 transitions. Second operand 5 states. [2020-07-20 12:26:08,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:26:08,176 INFO L93 Difference]: Finished difference Result 6339 states and 8283 transitions. [2020-07-20 12:26:08,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 12:26:08,177 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2020-07-20 12:26:08,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:26:08,196 INFO L225 Difference]: With dead ends: 6339 [2020-07-20 12:26:08,196 INFO L226 Difference]: Without dead ends: 3184 [2020-07-20 12:26:08,206 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 12:26:08,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3184 states. [2020-07-20 12:26:08,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3184 to 3184. [2020-07-20 12:26:08,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3184 states. [2020-07-20 12:26:08,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 4004 transitions. [2020-07-20 12:26:08,428 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 4004 transitions. Word has length 129 [2020-07-20 12:26:08,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:26:08,429 INFO L479 AbstractCegarLoop]: Abstraction has 3184 states and 4004 transitions. [2020-07-20 12:26:08,429 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 12:26:08,429 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 4004 transitions. [2020-07-20 12:26:08,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-07-20 12:26:08,434 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:26:08,434 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 12:26:08,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:26:08,649 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:26:08,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:26:08,649 INFO L82 PathProgramCache]: Analyzing trace with hash -232748707, now seen corresponding path program 1 times [2020-07-20 12:26:08,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:26:08,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1243009500] [2020-07-20 12:26:08,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:26:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:26:08,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 12:26:08,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:26:08,751 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-07-20 12:26:08,752 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 12:26:08,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1243009500] [2020-07-20 12:26:08,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 12:26:08,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 12:26:08,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065596750] [2020-07-20 12:26:08,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 12:26:08,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:26:08,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 12:26:08,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 12:26:08,754 INFO L87 Difference]: Start difference. First operand 3184 states and 4004 transitions. Second operand 3 states. [2020-07-20 12:26:08,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:26:08,863 INFO L93 Difference]: Finished difference Result 5685 states and 7150 transitions. [2020-07-20 12:26:08,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 12:26:08,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2020-07-20 12:26:08,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:26:08,878 INFO L225 Difference]: With dead ends: 5685 [2020-07-20 12:26:08,878 INFO L226 Difference]: Without dead ends: 2525 [2020-07-20 12:26:08,889 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 12:26:08,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2525 states. [2020-07-20 12:26:09,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2525 to 2525. [2020-07-20 12:26:09,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2525 states. [2020-07-20 12:26:09,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2525 states to 2525 states and 3177 transitions. [2020-07-20 12:26:09,064 INFO L78 Accepts]: Start accepts. Automaton has 2525 states and 3177 transitions. Word has length 129 [2020-07-20 12:26:09,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:26:09,064 INFO L479 AbstractCegarLoop]: Abstraction has 2525 states and 3177 transitions. [2020-07-20 12:26:09,065 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 12:26:09,065 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 3177 transitions. [2020-07-20 12:26:09,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-07-20 12:26:09,069 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:26:09,070 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 12:26:09,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:26:09,286 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:26:09,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:26:09,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1959893669, now seen corresponding path program 1 times [2020-07-20 12:26:09,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:26:09,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1378991728] [2020-07-20 12:26:09,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:26:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:26:09,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 12:26:09,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:26:09,494 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-20 12:26:09,494 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 12:26:09,494 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1378991728] [2020-07-20 12:26:09,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 12:26:09,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 12:26:09,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474108565] [2020-07-20 12:26:09,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 12:26:09,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:26:09,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 12:26:09,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 12:26:09,497 INFO L87 Difference]: Start difference. First operand 2525 states and 3177 transitions. Second operand 5 states. [2020-07-20 12:26:10,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:26:10,013 INFO L93 Difference]: Finished difference Result 5444 states and 6956 transitions. [2020-07-20 12:26:10,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 12:26:10,013 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2020-07-20 12:26:10,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:26:10,031 INFO L225 Difference]: With dead ends: 5444 [2020-07-20 12:26:10,031 INFO L226 Difference]: Without dead ends: 2941 [2020-07-20 12:26:10,040 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 12:26:10,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2941 states. [2020-07-20 12:26:10,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2941 to 2629. [2020-07-20 12:26:10,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2629 states. [2020-07-20 12:26:10,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 2629 states and 3205 transitions. [2020-07-20 12:26:10,271 INFO L78 Accepts]: Start accepts. Automaton has 2629 states and 3205 transitions. Word has length 129 [2020-07-20 12:26:10,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:26:10,272 INFO L479 AbstractCegarLoop]: Abstraction has 2629 states and 3205 transitions. [2020-07-20 12:26:10,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 12:26:10,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 3205 transitions. [2020-07-20 12:26:10,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-07-20 12:26:10,275 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:26:10,275 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 12:26:10,489 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:26:10,490 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:26:10,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:26:10,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1120860007, now seen corresponding path program 1 times [2020-07-20 12:26:10,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:26:10,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1091804329] [2020-07-20 12:26:10,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:26:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:26:10,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 12:26:10,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:26:10,623 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-20 12:26:10,624 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 12:26:10,624 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1091804329] [2020-07-20 12:26:10,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 12:26:10,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 12:26:10,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842342841] [2020-07-20 12:26:10,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 12:26:10,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:26:10,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 12:26:10,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 12:26:10,626 INFO L87 Difference]: Start difference. First operand 2629 states and 3205 transitions. Second operand 6 states. [2020-07-20 12:26:10,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:26:10,773 INFO L93 Difference]: Finished difference Result 5334 states and 6680 transitions. [2020-07-20 12:26:10,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 12:26:10,774 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2020-07-20 12:26:10,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:26:10,790 INFO L225 Difference]: With dead ends: 5334 [2020-07-20 12:26:10,791 INFO L226 Difference]: Without dead ends: 2729 [2020-07-20 12:26:10,800 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 12:26:10,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2729 states. [2020-07-20 12:26:10,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2729 to 2709. [2020-07-20 12:26:10,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2709 states. [2020-07-20 12:26:10,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2709 states to 2709 states and 3267 transitions. [2020-07-20 12:26:10,943 INFO L78 Accepts]: Start accepts. Automaton has 2709 states and 3267 transitions. Word has length 129 [2020-07-20 12:26:10,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:26:10,943 INFO L479 AbstractCegarLoop]: Abstraction has 2709 states and 3267 transitions. [2020-07-20 12:26:10,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 12:26:10,943 INFO L276 IsEmpty]: Start isEmpty. Operand 2709 states and 3267 transitions. [2020-07-20 12:26:10,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-07-20 12:26:10,946 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:26:10,946 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 12:26:11,159 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:26:11,160 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:26:11,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:26:11,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1942329383, now seen corresponding path program 1 times [2020-07-20 12:26:11,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:26:11,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [497758152] [2020-07-20 12:26:11,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:26:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:26:11,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 12:26:11,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:26:11,295 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-20 12:26:11,295 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 12:26:11,296 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [497758152] [2020-07-20 12:26:11,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 12:26:11,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 12:26:11,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656773856] [2020-07-20 12:26:11,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 12:26:11,297 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:26:11,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 12:26:11,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 12:26:11,298 INFO L87 Difference]: Start difference. First operand 2709 states and 3267 transitions. Second operand 6 states. [2020-07-20 12:26:11,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:26:11,488 INFO L93 Difference]: Finished difference Result 4625 states and 5657 transitions. [2020-07-20 12:26:11,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 12:26:11,489 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2020-07-20 12:26:11,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:26:11,500 INFO L225 Difference]: With dead ends: 4625 [2020-07-20 12:26:11,500 INFO L226 Difference]: Without dead ends: 1936 [2020-07-20 12:26:11,509 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 12:26:11,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1936 states. [2020-07-20 12:26:11,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1936 to 1936. [2020-07-20 12:26:11,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1936 states. [2020-07-20 12:26:11,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 1936 states and 2287 transitions. [2020-07-20 12:26:11,603 INFO L78 Accepts]: Start accepts. Automaton has 1936 states and 2287 transitions. Word has length 129 [2020-07-20 12:26:11,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:26:11,604 INFO L479 AbstractCegarLoop]: Abstraction has 1936 states and 2287 transitions. [2020-07-20 12:26:11,604 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 12:26:11,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2287 transitions. [2020-07-20 12:26:11,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-07-20 12:26:11,606 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:26:11,606 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 12:26:11,819 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:26:11,820 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:26:11,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:26:11,821 INFO L82 PathProgramCache]: Analyzing trace with hash 473506967, now seen corresponding path program 1 times [2020-07-20 12:26:11,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:26:11,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [561259231] [2020-07-20 12:26:11,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:26:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 12:26:11,895 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 12:26:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 12:26:11,927 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 12:26:12,022 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-20 12:26:12,022 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-20 12:26:12,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:26:12,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 12:26:12 BoogieIcfgContainer [2020-07-20 12:26:12,382 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 12:26:12,384 INFO L168 Benchmark]: Toolchain (without parser) took 10569.46 ms. Allocated memory was 138.9 MB in the beginning and 386.9 MB in the end (delta: 248.0 MB). Free memory was 103.5 MB in the beginning and 193.9 MB in the end (delta: -90.4 MB). Peak memory consumption was 157.6 MB. Max. memory is 7.1 GB. [2020-07-20 12:26:12,386 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-20 12:26:12,387 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.58 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 103.1 MB in the beginning and 181.8 MB in the end (delta: -78.7 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2020-07-20 12:26:12,389 INFO L168 Benchmark]: Boogie Preprocessor took 43.65 ms. Allocated memory is still 202.9 MB. Free memory was 181.8 MB in the beginning and 179.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2020-07-20 12:26:12,396 INFO L168 Benchmark]: RCFGBuilder took 570.82 ms. Allocated memory is still 202.9 MB. Free memory was 179.4 MB in the beginning and 149.4 MB in the end (delta: 30.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. [2020-07-20 12:26:12,397 INFO L168 Benchmark]: TraceAbstraction took 9521.98 ms. Allocated memory was 202.9 MB in the beginning and 386.9 MB in the end (delta: 184.0 MB). Free memory was 148.8 MB in the beginning and 193.9 MB in the end (delta: -45.1 MB). Peak memory consumption was 138.9 MB. Max. memory is 7.1 GB. [2020-07-20 12:26:12,402 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 427.58 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 103.1 MB in the beginning and 181.8 MB in the end (delta: -78.7 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.65 ms. Allocated memory is still 202.9 MB. Free memory was 181.8 MB in the beginning and 179.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 570.82 ms. Allocated memory is still 202.9 MB. Free memory was 179.4 MB in the beginning and 149.4 MB in the end (delta: 30.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9521.98 ms. Allocated memory was 202.9 MB in the beginning and 386.9 MB in the end (delta: 184.0 MB). Free memory was 148.8 MB in the beginning and 193.9 MB in the end (delta: -45.1 MB). Peak memory consumption was 138.9 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; VAL [\old(E_1)=8, \old(M_E)=11, \old(m_i)=9, \old(m_pc)=7, \old(m_st)=4, \old(T1_E)=10, \old(t1_i)=5, \old(t1_pc)=3, \old(t1_st)=6, E_1=2, M_E=2, m_i=0, m_pc=0, m_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0] [L439] int __retres1 ; VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=0, m_pc=0, m_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0] [L443] CALL init_model() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=0, m_pc=0, m_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0] [L354] m_i = 1 [L355] t1_i = 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L443] RET init_model() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L444] CALL start_simulation() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L380] int kernel_st ; [L381] int tmp ; [L382] int tmp___0 ; [L386] kernel_st = 0 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, kernel_st=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L387] FCALL update_channels() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, kernel_st=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L388] CALL init_threads() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L151] COND TRUE m_i == 1 [L152] m_st = 0 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L156] COND TRUE t1_i == 1 [L157] t1_st = 0 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L388] RET init_threads() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, kernel_st=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L389] CALL fire_delta_events() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L240] COND FALSE !(M_E == 0) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L245] COND FALSE !(T1_E == 0) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L250] COND FALSE !(E_1 == 0) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L389] RET fire_delta_events() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, kernel_st=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L390] CALL activate_threads() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L283] int tmp ; [L284] int tmp___0 ; VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L288] CALL, EXPR is_master_triggered() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L102] int __retres1 ; VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L105] COND FALSE !(m_pc == 1) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L115] __retres1 = 0 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, __retres1=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L117] return (__retres1); VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \result=0, __retres1=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L288] RET, EXPR is_master_triggered() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, is_master_triggered()=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L288] tmp = is_master_triggered() [L290] COND FALSE !(\read(tmp)) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, tmp=0] [L296] CALL, EXPR is_transmit1_triggered() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L121] int __retres1 ; VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L124] COND FALSE !(t1_pc == 1) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L134] __retres1 = 0 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, __retres1=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L136] return (__retres1); VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \result=0, __retres1=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L296] RET, EXPR is_transmit1_triggered() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, is_transmit1_triggered()=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, tmp=0] [L296] tmp___0 = is_transmit1_triggered() [L298] COND FALSE !(\read(tmp___0)) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, tmp=0, tmp___0=0] [L390] RET activate_threads() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, kernel_st=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L391] CALL reset_delta_events() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L263] COND FALSE !(M_E == 1) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L268] COND FALSE !(T1_E == 1) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L273] COND FALSE !(E_1 == 1) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L391] RET reset_delta_events() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, kernel_st=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L394] COND TRUE 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, kernel_st=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L397] kernel_st = 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, kernel_st=1, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L398] CALL eval() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L187] int tmp ; VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L191] COND TRUE 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L194] CALL, EXPR exists_runnable_thread() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L166] int __retres1 ; VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L169] COND TRUE m_st == 0 [L170] __retres1 = 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, __retres1=1, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L182] return (__retres1); VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \result=1, __retres1=1, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L194] RET, EXPR exists_runnable_thread() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, exists_runnable_thread()=1, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L194] tmp = exists_runnable_thread() [L196] COND TRUE \read(tmp) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, tmp=1] [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)) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, tmp=1, tmp_ndt_1=0] [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 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1] [L221] CALL transmit1() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=1, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1] [L72] COND TRUE t1_pc == 0 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=1, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1] [L83] COND TRUE 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=1, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1] [L85] t1_pc = 1 [L86] t1_st = 2 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=1, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L221] RET transmit1() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1] [L191] COND TRUE 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1] [L194] CALL, EXPR exists_runnable_thread() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L166] int __retres1 ; VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L169] COND TRUE m_st == 0 [L170] __retres1 = 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, __retres1=1, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L182] return (__retres1); VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \result=1, __retres1=1, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L194] RET, EXPR exists_runnable_thread() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, exists_runnable_thread()=1, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1] [L194] tmp = exists_runnable_thread() [L196] COND TRUE \read(tmp) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1] [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 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, tmp=1, tmp_ndt_1=-1, tmp_ndt_2=1] [L207] CALL master() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L31] COND TRUE m_pc == 0 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L42] COND TRUE 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L45] E_1 = 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L46] CALL immediate_notify() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L312] CALL activate_threads() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L283] int tmp ; [L284] int tmp___0 ; VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L288] CALL, EXPR is_master_triggered() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L102] int __retres1 ; VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L105] COND FALSE !(m_pc == 1) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L115] __retres1 = 0 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, __retres1=0, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L117] return (__retres1); VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \result=0, __retres1=0, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L288] RET, EXPR is_master_triggered() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, is_master_triggered()=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L288] tmp = is_master_triggered() [L290] COND FALSE !(\read(tmp)) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, tmp=0] [L296] CALL, EXPR is_transmit1_triggered() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L121] int __retres1 ; VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L124] COND TRUE t1_pc == 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L125] COND TRUE E_1 == 1 [L126] __retres1 = 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, __retres1=1, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L136] return (__retres1); VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \result=1, __retres1=1, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L296] RET, EXPR is_transmit1_triggered() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, is_transmit1_triggered()=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, tmp=0] [L296] tmp___0 = is_transmit1_triggered() [L298] COND TRUE \read(tmp___0) [L299] t1_st = 0 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, tmp=0, tmp___0=1] [L312] RET activate_threads() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0] [L46] RET immediate_notify() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0] [L47] E_1 = 2 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0] [L50] COND TRUE 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0] [L52] m_pc = 1 [L53] m_st = 2 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=0] [L207] RET master() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, tmp=1, tmp_ndt_1=-1, tmp_ndt_2=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 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, tmp=1, tmp_ndt_1=-1, tmp_ndt_2=-1] [L221] CALL transmit1() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1] [L72] COND FALSE !(t1_pc == 0) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1] [L75] COND TRUE t1_pc == 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1] [L91] CALL error() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1] [L11] __VERIFIER_error() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 139 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 9.3s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2128 SDtfs, 1553 SDslu, 2214 SDs, 0 SdLazy, 804 SolverSat, 334 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1255 GetRequests, 1222 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3184occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 712 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1388 NumberOfCodeBlocks, 1388 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1248 ConstructedInterpolants, 0 QuantifiedInterpolants, 198680 SizeOfPredicates, 13 NumberOfNonLiveVariables, 4915 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 314/314 InterpolantCoveringCapability, 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...