/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 SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/transmitter.02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 14:38:19,287 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 14:38:19,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 14:38:19,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 14:38:19,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 14:38:19,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 14:38:19,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 14:38:19,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 14:38:19,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 14:38:19,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 14:38:19,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 14:38:19,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 14:38:19,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 14:38:19,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 14:38:19,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 14:38:19,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 14:38:19,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 14:38:19,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 14:38:19,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 14:38:19,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 14:38:19,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 14:38:19,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 14:38:19,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 14:38:19,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 14:38:19,358 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 14:38:19,358 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 14:38:19,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 14:38:19,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 14:38:19,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 14:38:19,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 14:38:19,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 14:38:19,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 14:38:19,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 14:38:19,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 14:38:19,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 14:38:19,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 14:38:19,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 14:38:19,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 14:38:19,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 14:38:19,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 14:38:19,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 14:38:19,374 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 [2020-07-21 14:38:19,399 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 14:38:19,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 14:38:19,402 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 14:38:19,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 14:38:19,402 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 14:38:19,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 14:38:19,403 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 14:38:19,403 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 14:38:19,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 14:38:19,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 14:38:19,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 14:38:19,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 14:38:19,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 14:38:19,407 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 14:38:19,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 14:38:19,408 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 14:38:19,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 14:38:19,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 14:38:19,410 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 14:38:19,410 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 14:38:19,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 14:38:19,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 14:38:19,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 14:38:19,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 14:38:19,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 14:38:19,411 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 14:38:19,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:19,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 14:38:19,412 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 14:38:19,412 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 -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 14:38:19,733 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 14:38:19,747 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 14:38:19,751 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 14:38:19,752 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 14:38:19,753 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 14:38:19,753 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.02.cil.c [2020-07-21 14:38:19,830 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3213b76e7/5df261a1be7e49179f0de78d29ec0361/FLAGa37d9e122 [2020-07-21 14:38:20,308 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 14:38:20,309 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.02.cil.c [2020-07-21 14:38:20,318 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3213b76e7/5df261a1be7e49179f0de78d29ec0361/FLAGa37d9e122 [2020-07-21 14:38:20,681 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3213b76e7/5df261a1be7e49179f0de78d29ec0361 [2020-07-21 14:38:20,692 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 14:38:20,695 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 14:38:20,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 14:38:20,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 14:38:20,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 14:38:20,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:38:20" (1/1) ... [2020-07-21 14:38:20,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb5debc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:38:20, skipping insertion in model container [2020-07-21 14:38:20,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:38:20" (1/1) ... [2020-07-21 14:38:20,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 14:38:20,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 14:38:21,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 14:38:21,010 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 14:38:21,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 14:38:21,168 INFO L208 MainTranslator]: Completed translation [2020-07-21 14:38:21,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:38:21 WrapperNode [2020-07-21 14:38:21,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 14:38:21,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 14:38:21,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 14:38:21,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 14:38:21,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:38:21" (1/1) ... [2020-07-21 14:38:21,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:38:21" (1/1) ... [2020-07-21 14:38:21,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:38:21" (1/1) ... [2020-07-21 14:38:21,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:38:21" (1/1) ... [2020-07-21 14:38:21,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:38:21" (1/1) ... [2020-07-21 14:38:21,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:38:21" (1/1) ... [2020-07-21 14:38:21,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:38:21" (1/1) ... [2020-07-21 14:38:21,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 14:38:21,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 14:38:21,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 14:38:21,218 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 14:38:21,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:38:21" (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 [2020-07-21 14:38:21,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 14:38:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 14:38:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-07-21 14:38:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-07-21 14:38:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-07-21 14:38:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-07-21 14:38:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-07-21 14:38:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-07-21 14:38:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-07-21 14:38:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-07-21 14:38:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-07-21 14:38:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-07-21 14:38:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-07-21 14:38:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-07-21 14:38:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-07-21 14:38:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-07-21 14:38:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-07-21 14:38:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-07-21 14:38:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-07-21 14:38:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-07-21 14:38:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-07-21 14:38:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-07-21 14:38:21,282 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 14:38:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 14:38:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 14:38:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-07-21 14:38:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-07-21 14:38:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-07-21 14:38:21,282 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-07-21 14:38:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-07-21 14:38:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-07-21 14:38:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-07-21 14:38:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-07-21 14:38:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-07-21 14:38:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-07-21 14:38:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-07-21 14:38:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-07-21 14:38:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-07-21 14:38:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-07-21 14:38:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-07-21 14:38:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-07-21 14:38:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-07-21 14:38:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-07-21 14:38:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-07-21 14:38:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-07-21 14:38:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 14:38:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 14:38:21,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 14:38:21,799 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 14:38:21,800 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-21 14:38:21,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:38:21 BoogieIcfgContainer [2020-07-21 14:38:21,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 14:38:21,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 14:38:21,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 14:38:21,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 14:38:21,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:38:20" (1/3) ... [2020-07-21 14:38:21,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b8fb430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:38:21, skipping insertion in model container [2020-07-21 14:38:21,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:38:21" (2/3) ... [2020-07-21 14:38:21,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b8fb430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:38:21, skipping insertion in model container [2020-07-21 14:38:21,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:38:21" (3/3) ... [2020-07-21 14:38:21,814 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.02.cil.c [2020-07-21 14:38:21,822 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 14:38:21,830 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 14:38:21,842 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 14:38:21,867 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 14:38:21,868 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 14:38:21,868 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 14:38:21,868 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 14:38:21,868 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 14:38:21,869 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 14:38:21,869 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 14:38:21,869 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 14:38:21,893 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-07-21 14:38:21,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-07-21 14:38:21,905 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:38:21,907 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:38:21,907 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:38:21,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:38:21,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1996614335, now seen corresponding path program 1 times [2020-07-21 14:38:21,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:38:21,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [572351644] [2020-07-21 14:38:21,924 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 [2020-07-21 14:38:22,101 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 14:38:22,102 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:38:22,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 14:38:22,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:38:22,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 14:38:22,184 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 14:38:22,185 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [572351644] [2020-07-21 14:38:22,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 14:38:22,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 14:38:22,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134100257] [2020-07-21 14:38:22,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 14:38:22,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:38:22,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 14:38:22,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 14:38:22,213 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 3 states. [2020-07-21 14:38:22,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:38:22,290 INFO L93 Difference]: Finished difference Result 320 states and 454 transitions. [2020-07-21 14:38:22,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 14:38:22,308 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-07-21 14:38:22,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:38:22,322 INFO L225 Difference]: With dead ends: 320 [2020-07-21 14:38:22,323 INFO L226 Difference]: Without dead ends: 160 [2020-07-21 14:38:22,328 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 14:38:22,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-21 14:38:22,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2020-07-21 14:38:22,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-07-21 14:38:22,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 212 transitions. [2020-07-21 14:38:22,393 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 212 transitions. Word has length 90 [2020-07-21 14:38:22,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:38:22,395 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 212 transitions. [2020-07-21 14:38:22,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 14:38:22,396 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 212 transitions. [2020-07-21 14:38:22,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-07-21 14:38:22,400 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:38:22,400 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:38:22,615 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:22,616 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:38:22,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:38:22,618 INFO L82 PathProgramCache]: Analyzing trace with hash -387310403, now seen corresponding path program 1 times [2020-07-21 14:38:22,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:38:22,619 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1860278778] [2020-07-21 14:38:22,619 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 [2020-07-21 14:38:22,736 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 14:38:22,737 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:38:22,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 14:38:22,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:38:22,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 14:38:22,770 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 14:38:22,771 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1860278778] [2020-07-21 14:38:22,771 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 14:38:22,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 14:38:22,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934825256] [2020-07-21 14:38:22,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 14:38:22,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:38:22,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 14:38:22,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 14:38:22,774 INFO L87 Difference]: Start difference. First operand 160 states and 212 transitions. Second operand 3 states. [2020-07-21 14:38:22,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:38:22,843 INFO L93 Difference]: Finished difference Result 432 states and 593 transitions. [2020-07-21 14:38:22,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 14:38:22,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-07-21 14:38:22,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:38:22,850 INFO L225 Difference]: With dead ends: 432 [2020-07-21 14:38:22,850 INFO L226 Difference]: Without dead ends: 294 [2020-07-21 14:38:22,853 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 14:38:22,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2020-07-21 14:38:22,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 288. [2020-07-21 14:38:22,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-07-21 14:38:22,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 396 transitions. [2020-07-21 14:38:22,898 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 396 transitions. Word has length 90 [2020-07-21 14:38:22,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:38:22,899 INFO L479 AbstractCegarLoop]: Abstraction has 288 states and 396 transitions. [2020-07-21 14:38:22,899 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 14:38:22,899 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 396 transitions. [2020-07-21 14:38:22,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-21 14:38:22,902 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:38:22,903 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:38:23,115 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:23,116 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:38:23,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:38:23,117 INFO L82 PathProgramCache]: Analyzing trace with hash 16326453, now seen corresponding path program 1 times [2020-07-21 14:38:23,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:38:23,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [277547061] [2020-07-21 14:38:23,119 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 [2020-07-21 14:38:23,204 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 14:38:23,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:38:23,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 14:38:23,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:38:23,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 14:38:23,236 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 14:38:23,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [277547061] [2020-07-21 14:38:23,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 14:38:23,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 14:38:23,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629942890] [2020-07-21 14:38:23,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 14:38:23,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:38:23,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 14:38:23,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 14:38:23,239 INFO L87 Difference]: Start difference. First operand 288 states and 396 transitions. Second operand 3 states. [2020-07-21 14:38:23,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:38:23,277 INFO L93 Difference]: Finished difference Result 548 states and 754 transitions. [2020-07-21 14:38:23,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 14:38:23,278 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2020-07-21 14:38:23,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:38:23,282 INFO L225 Difference]: With dead ends: 548 [2020-07-21 14:38:23,282 INFO L226 Difference]: Without dead ends: 281 [2020-07-21 14:38:23,286 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 14:38:23,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-07-21 14:38:23,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2020-07-21 14:38:23,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-07-21 14:38:23,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 383 transitions. [2020-07-21 14:38:23,323 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 383 transitions. Word has length 91 [2020-07-21 14:38:23,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:38:23,323 INFO L479 AbstractCegarLoop]: Abstraction has 281 states and 383 transitions. [2020-07-21 14:38:23,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 14:38:23,324 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 383 transitions. [2020-07-21 14:38:23,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-21 14:38:23,326 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:38:23,326 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:38:23,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:23,545 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:38:23,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:38:23,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1717777997, now seen corresponding path program 1 times [2020-07-21 14:38:23,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:38:23,546 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1345945345] [2020-07-21 14:38:23,546 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 [2020-07-21 14:38:23,667 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:38:23,668 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:38:23,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 14:38:23,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:38:23,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 14:38:23,732 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 14:38:23,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1345945345] [2020-07-21 14:38:23,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 14:38:23,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 14:38:23,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851407753] [2020-07-21 14:38:23,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 14:38:23,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:38:23,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 14:38:23,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 14:38:23,735 INFO L87 Difference]: Start difference. First operand 281 states and 383 transitions. Second operand 5 states. [2020-07-21 14:38:24,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:38:24,420 INFO L93 Difference]: Finished difference Result 835 states and 1202 transitions. [2020-07-21 14:38:24,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 14:38:24,421 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2020-07-21 14:38:24,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:38:24,426 INFO L225 Difference]: With dead ends: 835 [2020-07-21 14:38:24,426 INFO L226 Difference]: Without dead ends: 574 [2020-07-21 14:38:24,428 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-21 14:38:24,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2020-07-21 14:38:24,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 523. [2020-07-21 14:38:24,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2020-07-21 14:38:24,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 714 transitions. [2020-07-21 14:38:24,479 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 714 transitions. Word has length 91 [2020-07-21 14:38:24,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:38:24,480 INFO L479 AbstractCegarLoop]: Abstraction has 523 states and 714 transitions. [2020-07-21 14:38:24,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 14:38:24,480 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 714 transitions. [2020-07-21 14:38:24,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-21 14:38:24,482 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:38:24,482 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:38:24,696 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:24,697 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:38:24,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:38:24,698 INFO L82 PathProgramCache]: Analyzing trace with hash 2107195379, now seen corresponding path program 1 times [2020-07-21 14:38:24,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:38:24,699 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [243205356] [2020-07-21 14:38:24,700 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 [2020-07-21 14:38:24,788 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:38:24,788 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:38:24,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 14:38:24,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:38:24,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 14:38:24,829 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 14:38:24,830 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [243205356] [2020-07-21 14:38:24,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 14:38:24,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 14:38:24,830 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65976123] [2020-07-21 14:38:24,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 14:38:24,831 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:38:24,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 14:38:24,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 14:38:24,832 INFO L87 Difference]: Start difference. First operand 523 states and 714 transitions. Second operand 5 states. [2020-07-21 14:38:25,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:38:25,211 INFO L93 Difference]: Finished difference Result 1026 states and 1421 transitions. [2020-07-21 14:38:25,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 14:38:25,211 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2020-07-21 14:38:25,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:38:25,216 INFO L225 Difference]: With dead ends: 1026 [2020-07-21 14:38:25,216 INFO L226 Difference]: Without dead ends: 523 [2020-07-21 14:38:25,220 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 14:38:25,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2020-07-21 14:38:25,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 523. [2020-07-21 14:38:25,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2020-07-21 14:38:25,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 702 transitions. [2020-07-21 14:38:25,278 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 702 transitions. Word has length 91 [2020-07-21 14:38:25,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:38:25,279 INFO L479 AbstractCegarLoop]: Abstraction has 523 states and 702 transitions. [2020-07-21 14:38:25,279 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 14:38:25,279 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 702 transitions. [2020-07-21 14:38:25,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-21 14:38:25,281 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:38:25,281 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:38:25,482 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:25,483 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:38:25,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:38:25,484 INFO L82 PathProgramCache]: Analyzing trace with hash 381568563, now seen corresponding path program 1 times [2020-07-21 14:38:25,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:38:25,485 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1291214558] [2020-07-21 14:38:25,486 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 [2020-07-21 14:38:25,581 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:38:25,581 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:38:25,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 14:38:25,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:38:25,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 14:38:25,624 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 14:38:25,624 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1291214558] [2020-07-21 14:38:25,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 14:38:25,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 14:38:25,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373948226] [2020-07-21 14:38:25,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 14:38:25,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:38:25,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 14:38:25,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 14:38:25,626 INFO L87 Difference]: Start difference. First operand 523 states and 702 transitions. Second operand 5 states. [2020-07-21 14:38:25,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:38:25,953 INFO L93 Difference]: Finished difference Result 1026 states and 1397 transitions. [2020-07-21 14:38:25,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 14:38:25,954 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2020-07-21 14:38:25,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:38:25,958 INFO L225 Difference]: With dead ends: 1026 [2020-07-21 14:38:25,958 INFO L226 Difference]: Without dead ends: 523 [2020-07-21 14:38:25,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 14:38:25,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2020-07-21 14:38:26,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 523. [2020-07-21 14:38:26,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2020-07-21 14:38:26,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 690 transitions. [2020-07-21 14:38:26,025 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 690 transitions. Word has length 91 [2020-07-21 14:38:26,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:38:26,026 INFO L479 AbstractCegarLoop]: Abstraction has 523 states and 690 transitions. [2020-07-21 14:38:26,026 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 14:38:26,026 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 690 transitions. [2020-07-21 14:38:26,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-21 14:38:26,028 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:38:26,028 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:38:26,243 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:26,244 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:38:26,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:38:26,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1573255181, now seen corresponding path program 1 times [2020-07-21 14:38:26,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:38:26,246 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [385545690] [2020-07-21 14:38:26,247 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 [2020-07-21 14:38:26,359 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:38:26,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:38:26,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 14:38:26,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:38:26,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 14:38:26,402 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 14:38:26,402 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [385545690] [2020-07-21 14:38:26,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 14:38:26,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 14:38:26,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019243227] [2020-07-21 14:38:26,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 14:38:26,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:38:26,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 14:38:26,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 14:38:26,405 INFO L87 Difference]: Start difference. First operand 523 states and 690 transitions. Second operand 5 states. [2020-07-21 14:38:26,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:38:26,904 INFO L93 Difference]: Finished difference Result 1306 states and 1859 transitions. [2020-07-21 14:38:26,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 14:38:26,904 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2020-07-21 14:38:26,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:38:26,911 INFO L225 Difference]: With dead ends: 1306 [2020-07-21 14:38:26,911 INFO L226 Difference]: Without dead ends: 803 [2020-07-21 14:38:26,914 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 14:38:26,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2020-07-21 14:38:26,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 669. [2020-07-21 14:38:26,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2020-07-21 14:38:26,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 850 transitions. [2020-07-21 14:38:26,968 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 850 transitions. Word has length 91 [2020-07-21 14:38:26,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:38:26,968 INFO L479 AbstractCegarLoop]: Abstraction has 669 states and 850 transitions. [2020-07-21 14:38:26,968 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 14:38:26,968 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 850 transitions. [2020-07-21 14:38:26,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-21 14:38:26,969 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:38:26,972 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:38:27,186 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:27,187 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:38:27,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:38:27,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1097571891, now seen corresponding path program 1 times [2020-07-21 14:38:27,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:38:27,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [178990407] [2020-07-21 14:38:27,190 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 [2020-07-21 14:38:27,281 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:38:27,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:38:27,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 14:38:27,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:38:27,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 14:38:27,329 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 14:38:27,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [178990407] [2020-07-21 14:38:27,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 14:38:27,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 14:38:27,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124533756] [2020-07-21 14:38:27,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 14:38:27,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:38:27,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 14:38:27,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 14:38:27,331 INFO L87 Difference]: Start difference. First operand 669 states and 850 transitions. Second operand 5 states. [2020-07-21 14:38:27,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:38:27,901 INFO L93 Difference]: Finished difference Result 1630 states and 2230 transitions. [2020-07-21 14:38:27,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 14:38:27,902 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2020-07-21 14:38:27,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:38:27,913 INFO L225 Difference]: With dead ends: 1630 [2020-07-21 14:38:27,914 INFO L226 Difference]: Without dead ends: 981 [2020-07-21 14:38:27,920 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-21 14:38:27,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2020-07-21 14:38:27,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 735. [2020-07-21 14:38:27,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2020-07-21 14:38:27,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 907 transitions. [2020-07-21 14:38:27,993 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 907 transitions. Word has length 91 [2020-07-21 14:38:27,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:38:27,996 INFO L479 AbstractCegarLoop]: Abstraction has 735 states and 907 transitions. [2020-07-21 14:38:27,996 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 14:38:27,996 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 907 transitions. [2020-07-21 14:38:27,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-21 14:38:27,997 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:38:27,998 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:38:28,212 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:28,213 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:38:28,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:38:28,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1274167371, now seen corresponding path program 1 times [2020-07-21 14:38:28,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:38:28,214 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [608534404] [2020-07-21 14:38:28,214 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 [2020-07-21 14:38:28,315 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:38:28,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:38:28,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 14:38:28,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:38:28,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 14:38:28,366 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 14:38:28,367 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [608534404] [2020-07-21 14:38:28,367 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 14:38:28,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 14:38:28,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563383505] [2020-07-21 14:38:28,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 14:38:28,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:38:28,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 14:38:28,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 14:38:28,370 INFO L87 Difference]: Start difference. First operand 735 states and 907 transitions. Second operand 3 states. [2020-07-21 14:38:28,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:38:28,472 INFO L93 Difference]: Finished difference Result 2141 states and 2709 transitions. [2020-07-21 14:38:28,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 14:38:28,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2020-07-21 14:38:28,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:38:28,483 INFO L225 Difference]: With dead ends: 2141 [2020-07-21 14:38:28,483 INFO L226 Difference]: Without dead ends: 1427 [2020-07-21 14:38:28,486 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 14:38:28,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1427 states. [2020-07-21 14:38:28,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1427 to 1419. [2020-07-21 14:38:28,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1419 states. [2020-07-21 14:38:28,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1419 states and 1753 transitions. [2020-07-21 14:38:28,577 INFO L78 Accepts]: Start accepts. Automaton has 1419 states and 1753 transitions. Word has length 91 [2020-07-21 14:38:28,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:38:28,578 INFO L479 AbstractCegarLoop]: Abstraction has 1419 states and 1753 transitions. [2020-07-21 14:38:28,578 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 14:38:28,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1753 transitions. [2020-07-21 14:38:28,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-21 14:38:28,582 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:38:28,583 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:38:28,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:28,797 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:38:28,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:38:28,798 INFO L82 PathProgramCache]: Analyzing trace with hash -498935573, now seen corresponding path program 1 times [2020-07-21 14:38:28,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:38:28,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [525189441] [2020-07-21 14:38:28,799 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 [2020-07-21 14:38:28,868 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 14:38:28,869 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:38:28,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 14:38:28,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:38:28,888 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 14:38:28,888 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 14:38:28,889 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [525189441] [2020-07-21 14:38:28,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 14:38:28,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 14:38:28,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737195115] [2020-07-21 14:38:28,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 14:38:28,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:38:28,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 14:38:28,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 14:38:28,891 INFO L87 Difference]: Start difference. First operand 1419 states and 1753 transitions. Second operand 3 states. [2020-07-21 14:38:29,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:38:29,096 INFO L93 Difference]: Finished difference Result 4167 states and 5302 transitions. [2020-07-21 14:38:29,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 14:38:29,096 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-07-21 14:38:29,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:38:29,127 INFO L225 Difference]: With dead ends: 4167 [2020-07-21 14:38:29,128 INFO L226 Difference]: Without dead ends: 2770 [2020-07-21 14:38:29,137 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 14:38:29,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2770 states. [2020-07-21 14:38:29,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2770 to 2770. [2020-07-21 14:38:29,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2770 states. [2020-07-21 14:38:29,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2770 states and 3508 transitions. [2020-07-21 14:38:29,326 INFO L78 Accepts]: Start accepts. Automaton has 2770 states and 3508 transitions. Word has length 111 [2020-07-21 14:38:29,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:38:29,327 INFO L479 AbstractCegarLoop]: Abstraction has 2770 states and 3508 transitions. [2020-07-21 14:38:29,327 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 14:38:29,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 3508 transitions. [2020-07-21 14:38:29,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-21 14:38:29,332 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:38:29,332 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:38:29,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:29,546 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:38:29,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:38:29,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1684603705, now seen corresponding path program 1 times [2020-07-21 14:38:29,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:38:29,547 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2082455130] [2020-07-21 14:38:29,547 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 [2020-07-21 14:38:29,627 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 14:38:29,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:38:29,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 14:38:29,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:38:29,660 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 14:38:29,661 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 14:38:29,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2082455130] [2020-07-21 14:38:29,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 14:38:29,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 14:38:29,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903332106] [2020-07-21 14:38:29,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 14:38:29,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:38:29,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 14:38:29,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 14:38:29,663 INFO L87 Difference]: Start difference. First operand 2770 states and 3508 transitions. Second operand 3 states. [2020-07-21 14:38:29,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:38:29,845 INFO L93 Difference]: Finished difference Result 4161 states and 5440 transitions. [2020-07-21 14:38:29,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 14:38:29,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2020-07-21 14:38:29,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:38:29,864 INFO L225 Difference]: With dead ends: 4161 [2020-07-21 14:38:29,864 INFO L226 Difference]: Without dead ends: 2770 [2020-07-21 14:38:29,872 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 14:38:29,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2770 states. [2020-07-21 14:38:30,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2770 to 2761. [2020-07-21 14:38:30,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2761 states. [2020-07-21 14:38:30,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 2761 states and 3459 transitions. [2020-07-21 14:38:30,056 INFO L78 Accepts]: Start accepts. Automaton has 2761 states and 3459 transitions. Word has length 154 [2020-07-21 14:38:30,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:38:30,057 INFO L479 AbstractCegarLoop]: Abstraction has 2761 states and 3459 transitions. [2020-07-21 14:38:30,057 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 14:38:30,057 INFO L276 IsEmpty]: Start isEmpty. Operand 2761 states and 3459 transitions. [2020-07-21 14:38:30,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-07-21 14:38:30,062 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:38:30,063 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:38:30,275 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:30,276 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:38:30,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:38:30,276 INFO L82 PathProgramCache]: Analyzing trace with hash 51909053, now seen corresponding path program 1 times [2020-07-21 14:38:30,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:38:30,277 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [512408344] [2020-07-21 14:38:30,277 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 [2020-07-21 14:38:30,367 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 14:38:30,367 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:38:30,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 14:38:30,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:38:30,401 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-07-21 14:38:30,402 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 14:38:30,402 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [512408344] [2020-07-21 14:38:30,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 14:38:30,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 14:38:30,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594427776] [2020-07-21 14:38:30,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 14:38:30,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:38:30,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 14:38:30,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 14:38:30,404 INFO L87 Difference]: Start difference. First operand 2761 states and 3459 transitions. Second operand 3 states. [2020-07-21 14:38:30,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:38:30,708 INFO L93 Difference]: Finished difference Result 7709 states and 10115 transitions. [2020-07-21 14:38:30,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 14:38:30,709 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-07-21 14:38:30,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:38:30,752 INFO L225 Difference]: With dead ends: 7709 [2020-07-21 14:38:30,752 INFO L226 Difference]: Without dead ends: 4975 [2020-07-21 14:38:30,773 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 14:38:30,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4975 states. [2020-07-21 14:38:31,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4975 to 4705. [2020-07-21 14:38:31,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4705 states. [2020-07-21 14:38:31,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4705 states to 4705 states and 6143 transitions. [2020-07-21 14:38:31,265 INFO L78 Accepts]: Start accepts. Automaton has 4705 states and 6143 transitions. Word has length 155 [2020-07-21 14:38:31,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:38:31,266 INFO L479 AbstractCegarLoop]: Abstraction has 4705 states and 6143 transitions. [2020-07-21 14:38:31,266 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 14:38:31,266 INFO L276 IsEmpty]: Start isEmpty. Operand 4705 states and 6143 transitions. [2020-07-21 14:38:31,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-07-21 14:38:31,273 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:38:31,273 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:38:31,487 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:31,488 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:38:31,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:38:31,488 INFO L82 PathProgramCache]: Analyzing trace with hash -1239740628, now seen corresponding path program 1 times [2020-07-21 14:38:31,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:38:31,489 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2014607469] [2020-07-21 14:38:31,489 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:31,599 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:38:31,600 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:38:31,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 14:38:31,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:38:31,651 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 29 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-21 14:38:31,652 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 14:38:31,864 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-07-21 14:38:31,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2014607469] [2020-07-21 14:38:31,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 14:38:31,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2020-07-21 14:38:31,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757592816] [2020-07-21 14:38:31,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 14:38:31,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:38:31,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 14:38:31,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 14:38:31,866 INFO L87 Difference]: Start difference. First operand 4705 states and 6143 transitions. Second operand 5 states. [2020-07-21 14:38:32,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:38:32,841 INFO L93 Difference]: Finished difference Result 13457 states and 18806 transitions. [2020-07-21 14:38:32,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 14:38:32,842 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-07-21 14:38:32,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:38:32,905 INFO L225 Difference]: With dead ends: 13457 [2020-07-21 14:38:32,905 INFO L226 Difference]: Without dead ends: 8777 [2020-07-21 14:38:32,930 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 302 SyntacticMatches, 5 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 14:38:32,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8777 states. [2020-07-21 14:38:33,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8777 to 7833. [2020-07-21 14:38:33,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7833 states. [2020-07-21 14:38:33,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7833 states to 7833 states and 10981 transitions. [2020-07-21 14:38:33,594 INFO L78 Accepts]: Start accepts. Automaton has 7833 states and 10981 transitions. Word has length 156 [2020-07-21 14:38:33,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:38:33,594 INFO L479 AbstractCegarLoop]: Abstraction has 7833 states and 10981 transitions. [2020-07-21 14:38:33,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 14:38:33,595 INFO L276 IsEmpty]: Start isEmpty. Operand 7833 states and 10981 transitions. [2020-07-21 14:38:33,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-21 14:38:33,607 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:38:33,607 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:38:33,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:33,822 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:38:33,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:38:33,823 INFO L82 PathProgramCache]: Analyzing trace with hash 2088155021, now seen corresponding path program 1 times [2020-07-21 14:38:33,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:38:33,823 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1354078765] [2020-07-21 14:38:33,824 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:33,903 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 14:38:33,903 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:38:33,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 14:38:33,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:38:33,959 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-07-21 14:38:33,959 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 14:38:33,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1354078765] [2020-07-21 14:38:33,960 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 14:38:33,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 14:38:33,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479312953] [2020-07-21 14:38:33,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 14:38:33,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:38:33,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 14:38:33,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 14:38:33,962 INFO L87 Difference]: Start difference. First operand 7833 states and 10981 transitions. Second operand 6 states. [2020-07-21 14:38:34,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:38:34,622 INFO L93 Difference]: Finished difference Result 16141 states and 24247 transitions. [2020-07-21 14:38:34,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 14:38:34,623 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2020-07-21 14:38:34,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:38:34,682 INFO L225 Difference]: With dead ends: 16141 [2020-07-21 14:38:34,683 INFO L226 Difference]: Without dead ends: 8333 [2020-07-21 14:38:34,736 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 14:38:34,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8333 states. [2020-07-21 14:38:35,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8333 to 8181. [2020-07-21 14:38:35,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8181 states. [2020-07-21 14:38:35,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8181 states to 8181 states and 11333 transitions. [2020-07-21 14:38:35,357 INFO L78 Accepts]: Start accepts. Automaton has 8181 states and 11333 transitions. Word has length 157 [2020-07-21 14:38:35,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:38:35,357 INFO L479 AbstractCegarLoop]: Abstraction has 8181 states and 11333 transitions. [2020-07-21 14:38:35,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 14:38:35,358 INFO L276 IsEmpty]: Start isEmpty. Operand 8181 states and 11333 transitions. [2020-07-21 14:38:35,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-21 14:38:35,367 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:38:35,367 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:38:35,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:35,583 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:38:35,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:38:35,584 INFO L82 PathProgramCache]: Analyzing trace with hash -783679991, now seen corresponding path program 1 times [2020-07-21 14:38:35,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:38:35,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [43141324] [2020-07-21 14:38:35,585 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:35,689 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:38:35,689 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:38:35,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 14:38:35,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:38:35,730 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-07-21 14:38:35,730 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 14:38:35,730 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [43141324] [2020-07-21 14:38:35,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 14:38:35,731 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 14:38:35,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425005273] [2020-07-21 14:38:35,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 14:38:35,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:38:35,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 14:38:35,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 14:38:35,732 INFO L87 Difference]: Start difference. First operand 8181 states and 11333 transitions. Second operand 6 states. [2020-07-21 14:38:36,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:38:36,303 INFO L93 Difference]: Finished difference Result 16457 states and 24165 transitions. [2020-07-21 14:38:36,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 14:38:36,303 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2020-07-21 14:38:36,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:38:36,352 INFO L225 Difference]: With dead ends: 16457 [2020-07-21 14:38:36,353 INFO L226 Difference]: Without dead ends: 8301 [2020-07-21 14:38:36,384 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 14:38:36,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8301 states. [2020-07-21 14:38:37,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8301 to 8301. [2020-07-21 14:38:37,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8301 states. [2020-07-21 14:38:37,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8301 states to 8301 states and 11249 transitions. [2020-07-21 14:38:37,508 INFO L78 Accepts]: Start accepts. Automaton has 8301 states and 11249 transitions. Word has length 157 [2020-07-21 14:38:37,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:38:37,509 INFO L479 AbstractCegarLoop]: Abstraction has 8301 states and 11249 transitions. [2020-07-21 14:38:37,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 14:38:37,509 INFO L276 IsEmpty]: Start isEmpty. Operand 8301 states and 11249 transitions. [2020-07-21 14:38:37,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-21 14:38:37,517 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:38:37,518 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:38:37,731 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:37,732 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:38:37,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:38:37,733 INFO L82 PathProgramCache]: Analyzing trace with hash -436061171, now seen corresponding path program 1 times [2020-07-21 14:38:37,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:38:37,733 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [96089305] [2020-07-21 14:38:37,734 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:37,832 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:38:37,832 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:38:37,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 14:38:37,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:38:37,875 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-07-21 14:38:37,875 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 14:38:37,876 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [96089305] [2020-07-21 14:38:37,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 14:38:37,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 14:38:37,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843511891] [2020-07-21 14:38:37,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 14:38:37,879 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:38:37,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 14:38:37,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 14:38:37,879 INFO L87 Difference]: Start difference. First operand 8301 states and 11249 transitions. Second operand 6 states. [2020-07-21 14:38:38,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:38:38,163 INFO L93 Difference]: Finished difference Result 14098 states and 19652 transitions. [2020-07-21 14:38:38,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 14:38:38,163 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2020-07-21 14:38:38,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:38:38,188 INFO L225 Difference]: With dead ends: 14098 [2020-07-21 14:38:38,189 INFO L226 Difference]: Without dead ends: 5818 [2020-07-21 14:38:38,214 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 14:38:38,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5818 states. [2020-07-21 14:38:38,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5818 to 5818. [2020-07-21 14:38:38,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5818 states. [2020-07-21 14:38:38,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5818 states to 5818 states and 7555 transitions. [2020-07-21 14:38:38,643 INFO L78 Accepts]: Start accepts. Automaton has 5818 states and 7555 transitions. Word has length 157 [2020-07-21 14:38:38,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:38:38,644 INFO L479 AbstractCegarLoop]: Abstraction has 5818 states and 7555 transitions. [2020-07-21 14:38:38,644 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 14:38:38,644 INFO L276 IsEmpty]: Start isEmpty. Operand 5818 states and 7555 transitions. [2020-07-21 14:38:38,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-07-21 14:38:38,649 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:38:38,649 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:38:38,863 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:38,864 INFO L427 AbstractCegarLoop]: === Iteration 17 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:38:38,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:38:38,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1814766840, now seen corresponding path program 1 times [2020-07-21 14:38:38,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:38:38,865 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [498113697] [2020-07-21 14:38:38,866 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:38,945 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 14:38:38,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:38:38,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 14:38:38,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:38:38,980 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 14:38:38,980 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 14:38:38,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [498113697] [2020-07-21 14:38:38,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 14:38:38,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 14:38:38,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529447334] [2020-07-21 14:38:38,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 14:38:38,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:38:38,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 14:38:38,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 14:38:38,989 INFO L87 Difference]: Start difference. First operand 5818 states and 7555 transitions. Second operand 3 states. [2020-07-21 14:38:39,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:38:39,321 INFO L93 Difference]: Finished difference Result 10568 states and 14143 transitions. [2020-07-21 14:38:39,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 14:38:39,322 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2020-07-21 14:38:39,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:38:39,355 INFO L225 Difference]: With dead ends: 10568 [2020-07-21 14:38:39,355 INFO L226 Difference]: Without dead ends: 5824 [2020-07-21 14:38:39,377 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 14:38:39,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5824 states. [2020-07-21 14:38:39,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5824 to 5818. [2020-07-21 14:38:39,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5818 states. [2020-07-21 14:38:39,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5818 states to 5818 states and 7381 transitions. [2020-07-21 14:38:39,815 INFO L78 Accepts]: Start accepts. Automaton has 5818 states and 7381 transitions. Word has length 162 [2020-07-21 14:38:39,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:38:39,816 INFO L479 AbstractCegarLoop]: Abstraction has 5818 states and 7381 transitions. [2020-07-21 14:38:39,816 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 14:38:39,816 INFO L276 IsEmpty]: Start isEmpty. Operand 5818 states and 7381 transitions. [2020-07-21 14:38:39,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-07-21 14:38:39,826 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:38:39,826 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:38:40,039 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:40,040 INFO L427 AbstractCegarLoop]: === Iteration 18 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:38:40,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:38:40,041 INFO L82 PathProgramCache]: Analyzing trace with hash 754503995, now seen corresponding path program 1 times [2020-07-21 14:38:40,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:38:40,041 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1138646413] [2020-07-21 14:38:40,041 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:40,244 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 14:38:40,245 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:38:40,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 14:38:40,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:38:40,289 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-21 14:38:40,290 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 14:38:40,290 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1138646413] [2020-07-21 14:38:40,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 14:38:40,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 14:38:40,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704261572] [2020-07-21 14:38:40,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 14:38:40,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:38:40,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 14:38:40,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 14:38:40,292 INFO L87 Difference]: Start difference. First operand 5818 states and 7381 transitions. Second operand 3 states. [2020-07-21 14:38:40,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:38:40,507 INFO L93 Difference]: Finished difference Result 11673 states and 15257 transitions. [2020-07-21 14:38:40,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 14:38:40,508 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2020-07-21 14:38:40,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:38:40,521 INFO L225 Difference]: With dead ends: 11673 [2020-07-21 14:38:40,521 INFO L226 Difference]: Without dead ends: 2980 [2020-07-21 14:38:40,542 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 14:38:40,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2980 states. [2020-07-21 14:38:40,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2980 to 2770. [2020-07-21 14:38:40,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2770 states. [2020-07-21 14:38:40,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2770 states and 3272 transitions. [2020-07-21 14:38:40,733 INFO L78 Accepts]: Start accepts. Automaton has 2770 states and 3272 transitions. Word has length 206 [2020-07-21 14:38:40,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:38:40,734 INFO L479 AbstractCegarLoop]: Abstraction has 2770 states and 3272 transitions. [2020-07-21 14:38:40,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 14:38:40,734 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 3272 transitions. [2020-07-21 14:38:40,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-07-21 14:38:40,739 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:38:40,739 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:38:40,939 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:40,940 INFO L427 AbstractCegarLoop]: === Iteration 19 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:38:40,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:38:40,940 INFO L82 PathProgramCache]: Analyzing trace with hash -2107522944, now seen corresponding path program 1 times [2020-07-21 14:38:40,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:38:40,940 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [934079748] [2020-07-21 14:38:40,941 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:41,068 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:38:41,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 14:38:41,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 14:38:41,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 14:38:41,115 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-07-21 14:38:41,115 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 14:38:41,115 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [934079748] [2020-07-21 14:38:41,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 14:38:41,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 14:38:41,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168040257] [2020-07-21 14:38:41,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 14:38:41,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 14:38:41,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 14:38:41,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 14:38:41,120 INFO L87 Difference]: Start difference. First operand 2770 states and 3272 transitions. Second operand 3 states. [2020-07-21 14:38:41,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 14:38:41,223 INFO L93 Difference]: Finished difference Result 4946 states and 5924 transitions. [2020-07-21 14:38:41,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 14:38:41,224 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2020-07-21 14:38:41,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 14:38:41,234 INFO L225 Difference]: With dead ends: 4946 [2020-07-21 14:38:41,235 INFO L226 Difference]: Without dead ends: 2770 [2020-07-21 14:38:41,239 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 14:38:41,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2770 states. [2020-07-21 14:38:41,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2770 to 2770. [2020-07-21 14:38:41,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2770 states. [2020-07-21 14:38:41,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2770 states and 3252 transitions. [2020-07-21 14:38:41,455 INFO L78 Accepts]: Start accepts. Automaton has 2770 states and 3252 transitions. Word has length 207 [2020-07-21 14:38:41,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 14:38:41,455 INFO L479 AbstractCegarLoop]: Abstraction has 2770 states and 3252 transitions. [2020-07-21 14:38:41,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 14:38:41,456 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 3252 transitions. [2020-07-21 14:38:41,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-07-21 14:38:41,459 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 14:38:41,460 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 14:38:41,672 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:41,673 INFO L427 AbstractCegarLoop]: === Iteration 20 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 14:38:41,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 14:38:41,673 INFO L82 PathProgramCache]: Analyzing trace with hash 89354437, now seen corresponding path program 1 times [2020-07-21 14:38:41,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 14:38:41,674 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [646325635] [2020-07-21 14:38:41,674 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:41,812 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 14:38:41,813 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2020-07-21 14:38:41,813 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-21 14:38:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-21 14:38:41,864 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-21 14:38:42,111 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-21 14:38:42,112 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-21 14:38:42,325 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 14:38:42,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 02:38:42 BoogieIcfgContainer [2020-07-21 14:38:42,539 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 14:38:42,542 INFO L168 Benchmark]: Toolchain (without parser) took 21847.76 ms. Allocated memory was 145.2 MB in the beginning and 958.9 MB in the end (delta: 813.7 MB). Free memory was 106.3 MB in the beginning and 678.8 MB in the end (delta: -572.5 MB). Peak memory consumption was 241.2 MB. Max. memory is 7.1 GB. [2020-07-21 14:38:42,543 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 145.2 MB. Free memory was 124.7 MB in the beginning and 124.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 14:38:42,544 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.02 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 105.9 MB in the beginning and 182.5 MB in the end (delta: -76.6 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2020-07-21 14:38:42,544 INFO L168 Benchmark]: Boogie Preprocessor took 45.46 ms. Allocated memory is still 203.9 MB. Free memory was 182.5 MB in the beginning and 179.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2020-07-21 14:38:42,547 INFO L168 Benchmark]: RCFGBuilder took 587.55 ms. Allocated memory is still 203.9 MB. Free memory was 179.9 MB in the beginning and 143.6 MB in the end (delta: 36.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. [2020-07-21 14:38:42,548 INFO L168 Benchmark]: TraceAbstraction took 20732.05 ms. Allocated memory was 203.9 MB in the beginning and 958.9 MB in the end (delta: 755.0 MB). Free memory was 142.9 MB in the beginning and 678.8 MB in the end (delta: -535.9 MB). Peak memory consumption was 219.1 MB. Max. memory is 7.1 GB. [2020-07-21 14:38:42,553 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 145.2 MB. Free memory was 124.7 MB in the beginning and 124.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 476.02 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 105.9 MB in the beginning and 182.5 MB in the end (delta: -76.6 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.46 ms. Allocated memory is still 203.9 MB. Free memory was 182.5 MB in the beginning and 179.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 587.55 ms. Allocated memory is still 203.9 MB. Free memory was 179.9 MB in the beginning and 143.6 MB in the end (delta: 36.4 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20732.05 ms. Allocated memory was 203.9 MB in the beginning and 958.9 MB in the end (delta: 755.0 MB). Free memory was 142.9 MB in the beginning and 678.8 MB in the end (delta: -535.9 MB). Peak memory consumption was 219.1 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 t2_pc = 0; [L18] int m_st ; [L19] int t1_st ; [L20] int t2_st ; [L21] int m_i ; [L22] int t1_i ; [L23] int t2_i ; [L24] int M_E = 2; [L25] int T1_E = 2; [L26] int T2_E = 2; [L27] int E_1 = 2; [L28] int E_2 = 2; VAL [\old(E_1)=15, \old(E_2)=4, \old(M_E)=6, \old(m_i)=3, \old(m_pc)=7, \old(m_st)=8, \old(T1_E)=14, \old(t1_i)=11, \old(t1_pc)=13, \old(t1_st)=12, \old(T2_E)=10, \old(t2_i)=9, \old(t2_pc)=16, \old(t2_st)=5, E_1=2, E_2=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, T2_E=2, t2_i=0, t2_pc=0, t2_st=0] [L563] int __retres1 ; VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=0, t2_pc=0, t2_st=0] [L567] CALL init_model() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=0, t2_pc=0, t2_st=0] [L477] m_i = 1 [L478] t1_i = 1 [L479] t2_i = 1 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L567] RET init_model() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L568] CALL start_simulation() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L504] int kernel_st ; [L505] int tmp ; [L506] int tmp___0 ; [L510] kernel_st = 0 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L511] FCALL update_channels() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L512] CALL init_threads() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L211] COND TRUE m_i == 1 [L212] m_st = 0 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L216] COND TRUE t1_i == 1 [L217] t1_st = 0 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L221] COND TRUE t2_i == 1 [L222] t2_st = 0 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L512] RET init_threads() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L513] CALL fire_delta_events() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L324] COND FALSE !(M_E == 0) VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L329] COND FALSE !(T1_E == 0) VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L334] COND FALSE !(T2_E == 0) VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L339] COND FALSE !(E_1 == 0) VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L344] COND FALSE !(E_2 == 0) VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L513] RET fire_delta_events() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L514] CALL activate_threads() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L387] int tmp ; [L388] int tmp___0 ; [L389] int tmp___1 ; VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L393] CALL, EXPR is_master_triggered() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L143] int __retres1 ; VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L146] COND FALSE !(m_pc == 1) VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L156] __retres1 = 0 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, __retres1=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L158] return (__retres1); VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \result=0, __retres1=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L393] RET, EXPR is_master_triggered() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L393] tmp = is_master_triggered() [L395] COND FALSE !(\read(tmp)) VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, tmp=0] [L401] CALL, EXPR is_transmit1_triggered() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L162] int __retres1 ; VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L165] COND FALSE !(t1_pc == 1) VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L175] __retres1 = 0 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, __retres1=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L177] return (__retres1); VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \result=0, __retres1=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L401] RET, EXPR is_transmit1_triggered() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, tmp=0] [L401] tmp___0 = is_transmit1_triggered() [L403] COND FALSE !(\read(tmp___0)) VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, tmp=0, tmp___0=0] [L409] CALL, EXPR is_transmit2_triggered() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L181] int __retres1 ; VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L184] COND FALSE !(t2_pc == 1) VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L194] __retres1 = 0 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, __retres1=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L196] return (__retres1); VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \result=0, __retres1=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L409] RET, EXPR is_transmit2_triggered() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, is_transmit2_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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, tmp=0, tmp___0=0] [L409] tmp___1 = is_transmit2_triggered() [L411] COND FALSE !(\read(tmp___1)) VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, tmp=0, tmp___0=0, tmp___1=0] [L514] RET activate_threads() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L515] CALL reset_delta_events() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L357] COND FALSE !(M_E == 1) VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L362] COND FALSE !(T1_E == 1) VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L367] COND FALSE !(T2_E == 1) VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L372] COND FALSE !(E_1 == 1) VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L377] COND FALSE !(E_2 == 1) VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L515] RET reset_delta_events() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L518] COND TRUE 1 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L521] kernel_st = 1 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L522] CALL eval() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L257] int tmp ; VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L261] COND TRUE 1 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L264] CALL, EXPR exists_runnable_thread() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L231] int __retres1 ; VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L234] COND TRUE m_st == 0 [L235] __retres1 = 1 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, __retres1=1, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L252] return (__retres1); VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \result=1, __retres1=1, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L264] RET, EXPR exists_runnable_thread() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L264] tmp = exists_runnable_thread() [L266] COND TRUE \read(tmp) VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, tmp=1] [L271] COND TRUE m_st == 0 [L272] int tmp_ndt_1; [L273] tmp_ndt_1 = __VERIFIER_nondet_int() [L274] COND FALSE !(\read(tmp_ndt_1)) VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, tmp=1, tmp_ndt_1=0] [L285] COND TRUE t1_st == 0 [L286] int tmp_ndt_2; [L287] tmp_ndt_2 = __VERIFIER_nondet_int() [L288] COND TRUE \read(tmp_ndt_2) [L290] t1_st = 1 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1] [L291] CALL transmit1() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L78] COND TRUE t1_pc == 0 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L89] COND TRUE 1 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L91] t1_pc = 1 [L92] t1_st = 2 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0] [L291] RET transmit1() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=0, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1] [L299] COND TRUE t2_st == 0 [L300] int tmp_ndt_3; [L301] tmp_ndt_3 = __VERIFIER_nondet_int() [L302] COND TRUE \read(tmp_ndt_3) [L304] t2_st = 1 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=1, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1, tmp_ndt_3=1] [L305] CALL transmit2() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=1, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=1] [L113] COND TRUE t2_pc == 0 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=1, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=1] [L124] COND TRUE 1 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=1, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=0, t2_st=1] [L126] t2_pc = 1 [L127] t2_st = 2 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=1, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L305] RET transmit2() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1, tmp_ndt_3=1] [L261] COND TRUE 1 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1, tmp_ndt_3=1] [L264] CALL, EXPR exists_runnable_thread() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L231] int __retres1 ; VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L234] COND TRUE m_st == 0 [L235] __retres1 = 1 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, __retres1=1, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L252] return (__retres1); VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, \result=1, __retres1=1, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L264] RET, EXPR exists_runnable_thread() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1, tmp_ndt_3=1] [L264] tmp = exists_runnable_thread() [L266] COND TRUE \read(tmp) VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=1, tmp_ndt_3=1] [L271] COND TRUE m_st == 0 [L272] int tmp_ndt_1; [L273] tmp_ndt_1 = __VERIFIER_nondet_int() [L274] COND TRUE \read(tmp_ndt_1) [L276] m_st = 1 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=1, tmp_ndt_1=-1, tmp_ndt_2=1, tmp_ndt_3=1] [L277] CALL master() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L37] COND TRUE m_pc == 0 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L48] COND TRUE 1 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L51] E_1 = 1 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L52] CALL immediate_notify() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L425] CALL activate_threads() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L387] int tmp ; [L388] int tmp___0 ; [L389] int tmp___1 ; VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L393] CALL, EXPR is_master_triggered() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L143] int __retres1 ; VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L146] COND FALSE !(m_pc == 1) VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L156] __retres1 = 0 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, __retres1=0, E_1=1, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L158] return (__retres1); VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \result=0, __retres1=0, E_1=1, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L393] RET, EXPR is_master_triggered() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=2, 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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L393] tmp = is_master_triggered() [L395] COND FALSE !(\read(tmp)) VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=0] [L401] CALL, EXPR is_transmit1_triggered() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L162] int __retres1 ; VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L165] COND TRUE t1_pc == 1 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L166] COND TRUE E_1 == 1 [L167] __retres1 = 1 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, __retres1=1, E_1=1, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L177] return (__retres1); VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \result=1, __retres1=1, E_1=1, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L401] RET, EXPR is_transmit1_triggered() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=2, 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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=0] [L401] tmp___0 = is_transmit1_triggered() [L403] COND TRUE \read(tmp___0) [L404] t1_st = 0 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=0, tmp___0=1] [L409] CALL, EXPR is_transmit2_triggered() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L181] int __retres1 ; VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L184] COND TRUE t2_pc == 1 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L185] COND FALSE !(E_2 == 1) VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L194] __retres1 = 0 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, __retres1=0, E_1=1, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L196] return (__retres1); VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \result=0, __retres1=0, E_1=1, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L409] RET, EXPR is_transmit2_triggered() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=2, is_transmit2_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=0, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=0, tmp___0=1] [L409] tmp___1 = is_transmit2_triggered() [L411] COND FALSE !(\read(tmp___1)) VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=0, tmp___0=1, tmp___1=0] [L425] RET activate_threads() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L52] RET immediate_notify() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=1, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L53] E_1 = 2 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L56] COND TRUE 1 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L58] m_pc = 1 [L59] m_st = 2 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L277] RET master() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=1, tmp_ndt_1=-1, tmp_ndt_2=1, tmp_ndt_3=1] [L285] COND TRUE t1_st == 0 [L286] int tmp_ndt_2; [L287] tmp_ndt_2 = __VERIFIER_nondet_int() [L288] COND TRUE \read(tmp_ndt_2) [L290] t1_st = 1 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=1, tmp_ndt_1=-1, tmp_ndt_2=1, tmp_ndt_3=1] [L291] CALL transmit1() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L78] COND FALSE !(t1_pc == 0) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L81] COND TRUE t1_pc == 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L97] E_2 = 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L98] CALL immediate_notify() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L425] CALL activate_threads() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L387] int tmp ; [L388] int tmp___0 ; [L389] int tmp___1 ; VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L393] CALL, EXPR is_master_triggered() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L143] int __retres1 ; VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L146] COND TRUE m_pc == 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L147] COND FALSE !(M_E == 1) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L156] __retres1 = 0 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, __retres1=0, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L158] return (__retres1); VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \result=0, __retres1=0, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L393] RET, EXPR is_master_triggered() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, is_master_triggered()=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L393] tmp = is_master_triggered() [L395] COND FALSE !(\read(tmp)) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=0] [L401] CALL, EXPR is_transmit1_triggered() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L162] int __retres1 ; VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L165] COND TRUE t1_pc == 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L166] COND FALSE !(E_1 == 1) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L175] __retres1 = 0 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, __retres1=0, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L177] return (__retres1); VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \result=0, __retres1=0, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L401] RET, EXPR is_transmit1_triggered() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, is_transmit1_triggered()=0, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=0] [L401] tmp___0 = is_transmit1_triggered() [L403] COND FALSE !(\read(tmp___0)) VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=0, tmp___0=0] [L409] CALL, EXPR is_transmit2_triggered() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L181] int __retres1 ; VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L184] COND TRUE t2_pc == 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L185] COND TRUE E_2 == 1 [L186] __retres1 = 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, __retres1=1, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L196] return (__retres1); VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, \result=1, __retres1=1, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2] [L409] RET, EXPR is_transmit2_triggered() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, is_transmit2_triggered()=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=2, tmp=0, tmp___0=0] [L409] tmp___1 = is_transmit2_triggered() [L411] COND TRUE \read(tmp___1) [L412] t2_st = 0 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=0, tmp=0, tmp___0=0, tmp___1=1] [L425] RET activate_threads() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=0] [L98] RET immediate_notify() VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=1, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, T2_E=2, t2_i=1, t2_pc=1, t2_st=0] [L99] E_2 = 2 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=0] [L89] COND TRUE 1 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=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, T2_E=2, t2_i=1, t2_pc=1, t2_st=0] [L91] t1_pc = 1 [L92] t1_st = 2 VAL [\old(E_1)=2, \old(E_2)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=2, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=2, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=0] [L291] RET transmit1() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=0, tmp=1, tmp_ndt_1=-1, tmp_ndt_2=1, tmp_ndt_3=1] [L299] COND TRUE t2_st == 0 [L300] int tmp_ndt_3; [L301] tmp_ndt_3 = __VERIFIER_nondet_int() [L302] COND TRUE \read(tmp_ndt_3) [L304] t2_st = 1 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=0, \old(t2_st)=0, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1, tmp=1, tmp_ndt_1=-1, tmp_ndt_2=1, tmp_ndt_3=-1] [L305] CALL transmit2() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1] [L113] COND FALSE !(t2_pc == 0) VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1] [L116] COND TRUE t2_pc == 1 VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1] [L132] CALL error() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1] [L11] __VERIFIER_error() VAL [\old(E_1)=2, \old(E_2)=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, \old(T2_E)=2, \old(t2_i)=0, \old(t2_pc)=1, \old(t2_st)=1, E_1=2, E_2=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, T2_E=2, t2_i=1, t2_pc=1, t2_st=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 169 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 20.4s, OverallIterations: 20, TraceHistogramMax: 3, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4578 SDtfs, 3597 SDslu, 4363 SDs, 0 SdLazy, 1837 SolverSat, 685 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2586 GetRequests, 2530 SyntacticMatches, 5 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8301occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.0s AutomataMinimizationTime, 19 MinimizatonAttempts, 2036 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2647 NumberOfCodeBlocks, 2041 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 2575 ConstructedInterpolants, 0 QuantifiedInterpolants, 511699 SizeOfPredicates, 24 NumberOfNonLiveVariables, 9147 ConjunctsInSsa, 114 ConjunctsInUnsatCore, 20 InterpolantComputations, 19 PerfectInterpolantSequences, 590/619 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...