/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_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -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 [2020-07-20 18:23:09,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 18:23:09,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 18:23:09,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 18:23:09,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 18:23:09,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 18:23:09,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 18:23:09,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 18:23:09,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 18:23:09,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 18:23:09,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 18:23:09,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 18:23:09,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 18:23:09,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 18:23:09,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 18:23:09,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 18:23:09,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 18:23:09,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 18:23:09,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 18:23:09,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 18:23:09,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 18:23:09,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 18:23:09,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 18:23:09,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 18:23:09,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 18:23:09,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 18:23:09,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 18:23:09,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 18:23:09,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 18:23:09,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 18:23:09,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 18:23:09,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 18:23:09,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 18:23:09,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 18:23:09,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 18:23:09,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 18:23:09,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 18:23:09,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 18:23:09,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 18:23:09,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 18:23:09,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 18:23:09,636 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 18:23:09,651 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 18:23:09,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 18:23:09,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 18:23:09,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 18:23:09,653 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 18:23:09,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 18:23:09,653 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 18:23:09,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 18:23:09,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 18:23:09,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 18:23:09,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 18:23:09,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 18:23:09,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 18:23:09,655 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 18:23:09,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 18:23:09,655 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 18:23:09,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 18:23:09,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 18:23:09,656 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 18:23:09,656 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 18:23:09,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 18:23:09,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 18:23:09,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 18:23:09,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 18:23:09,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 18:23:09,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 18:23:09,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:23:09,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 18:23:09,658 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 18:23:09,658 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_VARIABLES 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 -> 4 [2020-07-20 18:23:10,013 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 18:23:10,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 18:23:10,033 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 18:23:10,035 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 18:23:10,035 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 18:23:10,036 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.02.cil.c [2020-07-20 18:23:10,115 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e669c667b/c33a4f10e00c4a2e937c3136026198c1/FLAG5337436db [2020-07-20 18:23:10,540 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 18:23:10,541 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.02.cil.c [2020-07-20 18:23:10,552 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e669c667b/c33a4f10e00c4a2e937c3136026198c1/FLAG5337436db [2020-07-20 18:23:10,873 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e669c667b/c33a4f10e00c4a2e937c3136026198c1 [2020-07-20 18:23:10,884 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 18:23:10,888 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 18:23:10,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 18:23:10,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 18:23:10,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 18:23:10,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 06:23:10" (1/1) ... [2020-07-20 18:23:10,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d46e611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:23:10, skipping insertion in model container [2020-07-20 18:23:10,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 06:23:10" (1/1) ... [2020-07-20 18:23:10,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 18:23:10,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 18:23:11,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 18:23:11,307 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 18:23:11,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 18:23:11,372 INFO L208 MainTranslator]: Completed translation [2020-07-20 18:23:11,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:23:11 WrapperNode [2020-07-20 18:23:11,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 18:23:11,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 18:23:11,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 18:23:11,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 18:23:11,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:23:11" (1/1) ... [2020-07-20 18:23:11,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:23:11" (1/1) ... [2020-07-20 18:23:11,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:23:11" (1/1) ... [2020-07-20 18:23:11,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:23:11" (1/1) ... [2020-07-20 18:23:11,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:23:11" (1/1) ... [2020-07-20 18:23:11,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:23:11" (1/1) ... [2020-07-20 18:23:11,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:23:11" (1/1) ... [2020-07-20 18:23:11,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 18:23:11,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 18:23:11,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 18:23:11,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 18:23:11,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:23:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 18:23:11,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 18:23:11,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 18:23:11,587 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-07-20 18:23:11,587 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-07-20 18:23:11,588 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-07-20 18:23:11,588 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-07-20 18:23:11,588 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-07-20 18:23:11,588 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-07-20 18:23:11,588 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-07-20 18:23:11,588 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-07-20 18:23:11,588 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-07-20 18:23:11,589 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-07-20 18:23:11,589 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-07-20 18:23:11,589 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-07-20 18:23:11,589 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-07-20 18:23:11,590 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-07-20 18:23:11,590 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-07-20 18:23:11,590 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-07-20 18:23:11,590 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-07-20 18:23:11,591 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-07-20 18:23:11,591 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-07-20 18:23:11,591 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-07-20 18:23:11,592 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 18:23:11,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 18:23:11,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 18:23:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-07-20 18:23:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-07-20 18:23:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-07-20 18:23:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-07-20 18:23:11,595 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-07-20 18:23:11,595 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-07-20 18:23:11,595 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-07-20 18:23:11,595 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-07-20 18:23:11,595 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-07-20 18:23:11,595 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-07-20 18:23:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-07-20 18:23:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-07-20 18:23:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-07-20 18:23:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-07-20 18:23:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-07-20 18:23:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-07-20 18:23:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-07-20 18:23:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-07-20 18:23:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-07-20 18:23:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-07-20 18:23:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 18:23:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 18:23:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 18:23:12,156 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 18:23:12,157 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-20 18:23:12,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 06:23:12 BoogieIcfgContainer [2020-07-20 18:23:12,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 18:23:12,165 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 18:23:12,165 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 18:23:12,169 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 18:23:12,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 06:23:10" (1/3) ... [2020-07-20 18:23:12,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@433c7f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 06:23:12, skipping insertion in model container [2020-07-20 18:23:12,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 06:23:11" (2/3) ... [2020-07-20 18:23:12,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@433c7f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 06:23:12, skipping insertion in model container [2020-07-20 18:23:12,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 06:23:12" (3/3) ... [2020-07-20 18:23:12,174 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.02.cil.c [2020-07-20 18:23:12,186 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 18:23:12,195 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 18:23:12,211 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 18:23:12,240 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 18:23:12,241 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 18:23:12,241 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 18:23:12,241 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 18:23:12,242 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 18:23:12,242 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 18:23:12,242 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 18:23:12,242 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 18:23:12,269 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-07-20 18:23:12,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-07-20 18:23:12,282 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:23:12,283 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] [2020-07-20 18:23:12,284 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:23:12,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:23:12,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1996614335, now seen corresponding path program 1 times [2020-07-20 18:23:12,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:23:12,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [336010094] [2020-07-20 18:23:12,303 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 18:23:12,438 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 18:23:12,438 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:23:12,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 18:23:12,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:23:12,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:23:12,517 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 18:23:12,519 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [336010094] [2020-07-20 18:23:12,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 18:23:12,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 18:23:12,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640481013] [2020-07-20 18:23:12,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 18:23:12,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:23:12,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 18:23:12,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 18:23:12,546 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 3 states. [2020-07-20 18:23:12,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:23:12,626 INFO L93 Difference]: Finished difference Result 320 states and 454 transitions. [2020-07-20 18:23:12,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 18:23:12,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-07-20 18:23:12,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:23:12,644 INFO L225 Difference]: With dead ends: 320 [2020-07-20 18:23:12,645 INFO L226 Difference]: Without dead ends: 160 [2020-07-20 18:23:12,651 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 [2020-07-20 18:23:12,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-20 18:23:12,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2020-07-20 18:23:12,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-07-20 18:23:12,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 212 transitions. [2020-07-20 18:23:12,738 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 212 transitions. Word has length 90 [2020-07-20 18:23:12,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:23:12,741 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 212 transitions. [2020-07-20 18:23:12,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 18:23:12,742 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 212 transitions. [2020-07-20 18:23:12,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-07-20 18:23:12,747 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:23:12,747 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] [2020-07-20 18:23:12,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:23:12,959 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:23:12,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:23:12,961 INFO L82 PathProgramCache]: Analyzing trace with hash -387310403, now seen corresponding path program 1 times [2020-07-20 18:23:12,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:23:12,962 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1696576360] [2020-07-20 18:23:12,964 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 18:23:13,190 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 18:23:13,190 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:23:13,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 18:23:13,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:23:13,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:23:13,321 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 18:23:13,321 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1696576360] [2020-07-20 18:23:13,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 18:23:13,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 18:23:13,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436465709] [2020-07-20 18:23:13,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 18:23:13,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:23:13,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 18:23:13,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 18:23:13,325 INFO L87 Difference]: Start difference. First operand 160 states and 212 transitions. Second operand 5 states. [2020-07-20 18:23:14,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:23:14,136 INFO L93 Difference]: Finished difference Result 455 states and 631 transitions. [2020-07-20 18:23:14,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 18:23:14,137 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 90 [2020-07-20 18:23:14,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:23:14,142 INFO L225 Difference]: With dead ends: 455 [2020-07-20 18:23:14,143 INFO L226 Difference]: Without dead ends: 315 [2020-07-20 18:23:14,146 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 18:23:14,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-07-20 18:23:14,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 288. [2020-07-20 18:23:14,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-07-20 18:23:14,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 383 transitions. [2020-07-20 18:23:14,225 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 383 transitions. Word has length 90 [2020-07-20 18:23:14,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:23:14,225 INFO L479 AbstractCegarLoop]: Abstraction has 288 states and 383 transitions. [2020-07-20 18:23:14,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 18:23:14,226 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 383 transitions. [2020-07-20 18:23:14,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-07-20 18:23:14,230 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:23:14,230 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] [2020-07-20 18:23:14,446 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:23:14,447 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:23:14,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:23:14,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1952833149, now seen corresponding path program 1 times [2020-07-20 18:23:14,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:23:14,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1099757339] [2020-07-20 18:23:14,450 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 18:23:14,538 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 18:23:14,538 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:23:14,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 18:23:14,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:23:14,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:23:14,607 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 18:23:14,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1099757339] [2020-07-20 18:23:14,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 18:23:14,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 18:23:14,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116531067] [2020-07-20 18:23:14,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 18:23:14,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:23:14,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 18:23:14,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 18:23:14,612 INFO L87 Difference]: Start difference. First operand 288 states and 383 transitions. Second operand 5 states. [2020-07-20 18:23:15,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:23:15,056 INFO L93 Difference]: Finished difference Result 556 states and 751 transitions. [2020-07-20 18:23:15,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 18:23:15,056 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 90 [2020-07-20 18:23:15,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:23:15,065 INFO L225 Difference]: With dead ends: 556 [2020-07-20 18:23:15,065 INFO L226 Difference]: Without dead ends: 288 [2020-07-20 18:23:15,071 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 18:23:15,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-07-20 18:23:15,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2020-07-20 18:23:15,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-07-20 18:23:15,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 377 transitions. [2020-07-20 18:23:15,136 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 377 transitions. Word has length 90 [2020-07-20 18:23:15,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:23:15,139 INFO L479 AbstractCegarLoop]: Abstraction has 288 states and 377 transitions. [2020-07-20 18:23:15,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 18:23:15,139 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 377 transitions. [2020-07-20 18:23:15,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-07-20 18:23:15,147 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:23:15,148 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] [2020-07-20 18:23:15,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:23:15,362 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:23:15,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:23:15,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1150873539, now seen corresponding path program 1 times [2020-07-20 18:23:15,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:23:15,363 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1188054205] [2020-07-20 18:23:15,363 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 18:23:15,436 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 18:23:15,436 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:23:15,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 18:23:15,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:23:15,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:23:15,496 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 18:23:15,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1188054205] [2020-07-20 18:23:15,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 18:23:15,497 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 18:23:15,497 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489147821] [2020-07-20 18:23:15,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 18:23:15,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:23:15,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 18:23:15,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 18:23:15,498 INFO L87 Difference]: Start difference. First operand 288 states and 377 transitions. Second operand 5 states. [2020-07-20 18:23:15,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:23:15,869 INFO L93 Difference]: Finished difference Result 556 states and 739 transitions. [2020-07-20 18:23:15,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 18:23:15,870 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 90 [2020-07-20 18:23:15,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:23:15,873 INFO L225 Difference]: With dead ends: 556 [2020-07-20 18:23:15,873 INFO L226 Difference]: Without dead ends: 288 [2020-07-20 18:23:15,875 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 18:23:15,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-07-20 18:23:15,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2020-07-20 18:23:15,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-07-20 18:23:15,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 371 transitions. [2020-07-20 18:23:15,898 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 371 transitions. Word has length 90 [2020-07-20 18:23:15,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:23:15,899 INFO L479 AbstractCegarLoop]: Abstraction has 288 states and 371 transitions. [2020-07-20 18:23:15,899 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 18:23:15,899 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 371 transitions. [2020-07-20 18:23:15,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-07-20 18:23:15,901 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:23:15,901 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] [2020-07-20 18:23:16,114 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:23:16,115 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:23:16,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:23:16,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1418466941, now seen corresponding path program 1 times [2020-07-20 18:23:16,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:23:16,117 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [381361693] [2020-07-20 18:23:16,118 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 18:23:16,187 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 18:23:16,187 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:23:16,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 18:23:16,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:23:16,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:23:16,226 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 18:23:16,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [381361693] [2020-07-20 18:23:16,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 18:23:16,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 18:23:16,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984656906] [2020-07-20 18:23:16,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 18:23:16,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:23:16,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 18:23:16,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 18:23:16,229 INFO L87 Difference]: Start difference. First operand 288 states and 371 transitions. Second operand 5 states. [2020-07-20 18:23:16,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:23:16,731 INFO L93 Difference]: Finished difference Result 699 states and 960 transitions. [2020-07-20 18:23:16,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 18:23:16,733 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 90 [2020-07-20 18:23:16,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:23:16,738 INFO L225 Difference]: With dead ends: 699 [2020-07-20 18:23:16,739 INFO L226 Difference]: Without dead ends: 431 [2020-07-20 18:23:16,746 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 18:23:16,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2020-07-20 18:23:16,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 360. [2020-07-20 18:23:16,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-07-20 18:23:16,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 450 transitions. [2020-07-20 18:23:16,796 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 450 transitions. Word has length 90 [2020-07-20 18:23:16,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:23:16,799 INFO L479 AbstractCegarLoop]: Abstraction has 360 states and 450 transitions. [2020-07-20 18:23:16,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 18:23:16,799 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 450 transitions. [2020-07-20 18:23:16,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-07-20 18:23:16,803 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:23:16,803 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] [2020-07-20 18:23:17,013 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:23:17,014 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:23:17,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:23:17,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1504622653, now seen corresponding path program 1 times [2020-07-20 18:23:17,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:23:17,016 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2051204576] [2020-07-20 18:23:17,016 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 18:23:17,092 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 18:23:17,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:23:17,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 18:23:17,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:23:17,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:23:17,137 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 18:23:17,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2051204576] [2020-07-20 18:23:17,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 18:23:17,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 18:23:17,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560521266] [2020-07-20 18:23:17,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 18:23:17,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:23:17,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 18:23:17,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 18:23:17,140 INFO L87 Difference]: Start difference. First operand 360 states and 450 transitions. Second operand 5 states. [2020-07-20 18:23:17,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:23:17,633 INFO L93 Difference]: Finished difference Result 875 states and 1156 transitions. [2020-07-20 18:23:17,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 18:23:17,634 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 90 [2020-07-20 18:23:17,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:23:17,640 INFO L225 Difference]: With dead ends: 875 [2020-07-20 18:23:17,641 INFO L226 Difference]: Without dead ends: 535 [2020-07-20 18:23:17,648 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 18:23:17,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2020-07-20 18:23:17,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 426. [2020-07-20 18:23:17,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-07-20 18:23:17,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 519 transitions. [2020-07-20 18:23:17,725 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 519 transitions. Word has length 90 [2020-07-20 18:23:17,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:23:17,726 INFO L479 AbstractCegarLoop]: Abstraction has 426 states and 519 transitions. [2020-07-20 18:23:17,726 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 18:23:17,726 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 519 transitions. [2020-07-20 18:23:17,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-07-20 18:23:17,728 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:23:17,728 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] [2020-07-20 18:23:17,940 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:23:17,941 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:23:17,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:23:17,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1566662267, now seen corresponding path program 1 times [2020-07-20 18:23:17,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:23:17,943 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [561783769] [2020-07-20 18:23:17,943 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 18:23:18,020 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 18:23:18,021 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:23:18,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 18:23:18,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:23:18,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:23:18,058 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 18:23:18,058 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [561783769] [2020-07-20 18:23:18,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 18:23:18,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 18:23:18,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285467442] [2020-07-20 18:23:18,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 18:23:18,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:23:18,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 18:23:18,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 18:23:18,060 INFO L87 Difference]: Start difference. First operand 426 states and 519 transitions. Second operand 6 states. [2020-07-20 18:23:18,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:23:18,126 INFO L93 Difference]: Finished difference Result 870 states and 1085 transitions. [2020-07-20 18:23:18,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 18:23:18,127 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2020-07-20 18:23:18,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:23:18,131 INFO L225 Difference]: With dead ends: 870 [2020-07-20 18:23:18,131 INFO L226 Difference]: Without dead ends: 465 [2020-07-20 18:23:18,134 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 18:23:18,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-07-20 18:23:18,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 441. [2020-07-20 18:23:18,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-07-20 18:23:18,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 531 transitions. [2020-07-20 18:23:18,179 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 531 transitions. Word has length 90 [2020-07-20 18:23:18,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:23:18,180 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 531 transitions. [2020-07-20 18:23:18,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 18:23:18,180 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 531 transitions. [2020-07-20 18:23:18,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-07-20 18:23:18,182 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:23:18,182 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] [2020-07-20 18:23:18,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:23:18,396 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:23:18,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:23:18,396 INFO L82 PathProgramCache]: Analyzing trace with hash -461923843, now seen corresponding path program 1 times [2020-07-20 18:23:18,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:23:18,397 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [309175848] [2020-07-20 18:23:18,398 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 18:23:18,470 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 18:23:18,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:23:18,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 18:23:18,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:23:18,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:23:18,504 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 18:23:18,505 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [309175848] [2020-07-20 18:23:18,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 18:23:18,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 18:23:18,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059749763] [2020-07-20 18:23:18,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 18:23:18,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:23:18,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 18:23:18,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 18:23:18,507 INFO L87 Difference]: Start difference. First operand 441 states and 531 transitions. Second operand 6 states. [2020-07-20 18:23:18,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:23:18,554 INFO L93 Difference]: Finished difference Result 881 states and 1080 transitions. [2020-07-20 18:23:18,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 18:23:18,555 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2020-07-20 18:23:18,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:23:18,558 INFO L225 Difference]: With dead ends: 881 [2020-07-20 18:23:18,558 INFO L226 Difference]: Without dead ends: 461 [2020-07-20 18:23:18,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 18:23:18,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2020-07-20 18:23:18,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 451. [2020-07-20 18:23:18,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2020-07-20 18:23:18,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 537 transitions. [2020-07-20 18:23:18,589 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 537 transitions. Word has length 90 [2020-07-20 18:23:18,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:23:18,590 INFO L479 AbstractCegarLoop]: Abstraction has 451 states and 537 transitions. [2020-07-20 18:23:18,590 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 18:23:18,590 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 537 transitions. [2020-07-20 18:23:18,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-07-20 18:23:18,591 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:23:18,592 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] [2020-07-20 18:23:18,804 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:23:18,805 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:23:18,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:23:18,806 INFO L82 PathProgramCache]: Analyzing trace with hash -213777349, now seen corresponding path program 1 times [2020-07-20 18:23:18,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:23:18,806 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [481479061] [2020-07-20 18:23:18,807 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 18:23:18,876 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 18:23:18,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:23:18,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 18:23:18,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:23:18,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:23:18,907 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 18:23:18,907 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [481479061] [2020-07-20 18:23:18,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 18:23:18,908 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 18:23:18,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593154818] [2020-07-20 18:23:18,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 18:23:18,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:23:18,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 18:23:18,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 18:23:18,909 INFO L87 Difference]: Start difference. First operand 451 states and 537 transitions. Second operand 6 states. [2020-07-20 18:23:18,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:23:18,972 INFO L93 Difference]: Finished difference Result 895 states and 1082 transitions. [2020-07-20 18:23:18,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 18:23:18,972 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2020-07-20 18:23:18,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:23:18,975 INFO L225 Difference]: With dead ends: 895 [2020-07-20 18:23:18,976 INFO L226 Difference]: Without dead ends: 465 [2020-07-20 18:23:18,977 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 18:23:18,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-07-20 18:23:19,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 461. [2020-07-20 18:23:19,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2020-07-20 18:23:19,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 543 transitions. [2020-07-20 18:23:19,003 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 543 transitions. Word has length 90 [2020-07-20 18:23:19,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:23:19,004 INFO L479 AbstractCegarLoop]: Abstraction has 461 states and 543 transitions. [2020-07-20 18:23:19,004 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 18:23:19,004 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 543 transitions. [2020-07-20 18:23:19,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-07-20 18:23:19,005 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:23:19,005 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] [2020-07-20 18:23:19,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:23:19,219 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:23:19,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:23:19,220 INFO L82 PathProgramCache]: Analyzing trace with hash -286163907, now seen corresponding path program 1 times [2020-07-20 18:23:19,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:23:19,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [714149564] [2020-07-20 18:23:19,221 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 18:23:19,293 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 18:23:19,293 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:23:19,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 18:23:19,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:23:19,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:23:19,312 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 18:23:19,313 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [714149564] [2020-07-20 18:23:19,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 18:23:19,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 18:23:19,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077746570] [2020-07-20 18:23:19,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 18:23:19,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:23:19,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 18:23:19,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 18:23:19,315 INFO L87 Difference]: Start difference. First operand 461 states and 543 transitions. Second operand 3 states. [2020-07-20 18:23:19,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:23:19,375 INFO L93 Difference]: Finished difference Result 1263 states and 1512 transitions. [2020-07-20 18:23:19,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 18:23:19,375 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-07-20 18:23:19,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:23:19,382 INFO L225 Difference]: With dead ends: 1263 [2020-07-20 18:23:19,382 INFO L226 Difference]: Without dead ends: 824 [2020-07-20 18:23:19,384 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 [2020-07-20 18:23:19,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2020-07-20 18:23:19,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 789. [2020-07-20 18:23:19,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-07-20 18:23:19,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 943 transitions. [2020-07-20 18:23:19,434 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 943 transitions. Word has length 90 [2020-07-20 18:23:19,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:23:19,436 INFO L479 AbstractCegarLoop]: Abstraction has 789 states and 943 transitions. [2020-07-20 18:23:19,436 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 18:23:19,436 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 943 transitions. [2020-07-20 18:23:19,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-20 18:23:19,437 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:23:19,438 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] [2020-07-20 18:23:19,650 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:23:19,651 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:23:19,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:23:19,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1417763379, now seen corresponding path program 1 times [2020-07-20 18:23:19,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:23:19,653 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [209487385] [2020-07-20 18:23:19,653 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 18:23:19,730 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 18:23:19,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:23:19,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 18:23:19,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:23:19,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:23:19,761 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 18:23:19,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [209487385] [2020-07-20 18:23:19,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 18:23:19,761 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 18:23:19,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630717383] [2020-07-20 18:23:19,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 18:23:19,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:23:19,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 18:23:19,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 18:23:19,763 INFO L87 Difference]: Start difference. First operand 789 states and 943 transitions. Second operand 3 states. [2020-07-20 18:23:19,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:23:19,847 INFO L93 Difference]: Finished difference Result 2270 states and 2772 transitions. [2020-07-20 18:23:19,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 18:23:19,848 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2020-07-20 18:23:19,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:23:19,859 INFO L225 Difference]: With dead ends: 2270 [2020-07-20 18:23:19,859 INFO L226 Difference]: Without dead ends: 1508 [2020-07-20 18:23:19,863 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 [2020-07-20 18:23:19,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1508 states. [2020-07-20 18:23:19,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1508 to 1500. [2020-07-20 18:23:19,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1500 states. [2020-07-20 18:23:19,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 1789 transitions. [2020-07-20 18:23:19,964 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 1789 transitions. Word has length 91 [2020-07-20 18:23:19,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:23:19,965 INFO L479 AbstractCegarLoop]: Abstraction has 1500 states and 1789 transitions. [2020-07-20 18:23:19,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 18:23:19,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 1789 transitions. [2020-07-20 18:23:19,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-20 18:23:19,968 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:23:19,968 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] [2020-07-20 18:23:20,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:23:20,182 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:23:20,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:23:20,182 INFO L82 PathProgramCache]: Analyzing trace with hash 36587625, now seen corresponding path program 1 times [2020-07-20 18:23:20,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:23:20,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1458674672] [2020-07-20 18:23:20,183 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 18:23:20,241 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 18:23:20,242 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:23:20,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 18:23:20,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:23:20,263 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:23:20,263 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 18:23:20,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1458674672] [2020-07-20 18:23:20,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 18:23:20,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 18:23:20,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451617998] [2020-07-20 18:23:20,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 18:23:20,264 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:23:20,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 18:23:20,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 18:23:20,265 INFO L87 Difference]: Start difference. First operand 1500 states and 1789 transitions. Second operand 3 states. [2020-07-20 18:23:20,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:23:20,407 INFO L93 Difference]: Finished difference Result 4401 states and 5318 transitions. [2020-07-20 18:23:20,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 18:23:20,407 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-07-20 18:23:20,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:23:20,421 INFO L225 Difference]: With dead ends: 4401 [2020-07-20 18:23:20,421 INFO L226 Difference]: Without dead ends: 2225 [2020-07-20 18:23:20,429 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 [2020-07-20 18:23:20,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2225 states. [2020-07-20 18:23:20,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2225 to 2225. [2020-07-20 18:23:20,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2225 states. [2020-07-20 18:23:20,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 2225 states and 2678 transitions. [2020-07-20 18:23:20,597 INFO L78 Accepts]: Start accepts. Automaton has 2225 states and 2678 transitions. Word has length 111 [2020-07-20 18:23:20,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:23:20,598 INFO L479 AbstractCegarLoop]: Abstraction has 2225 states and 2678 transitions. [2020-07-20 18:23:20,598 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 18:23:20,598 INFO L276 IsEmpty]: Start isEmpty. Operand 2225 states and 2678 transitions. [2020-07-20 18:23:20,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-07-20 18:23:20,603 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:23:20,603 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 18:23:20,816 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:23:20,817 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:23:20,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:23:20,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1178118941, now seen corresponding path program 1 times [2020-07-20 18:23:20,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:23:20,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [397755843] [2020-07-20 18:23:20,818 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 18:23:20,914 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 18:23:20,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:23:20,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 18:23:20,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:23:20,968 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 18:23:20,968 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 18:23:20,969 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [397755843] [2020-07-20 18:23:20,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 18:23:20,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 18:23:20,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735633275] [2020-07-20 18:23:20,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 18:23:20,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:23:20,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 18:23:20,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 18:23:20,971 INFO L87 Difference]: Start difference. First operand 2225 states and 2678 transitions. Second operand 3 states. [2020-07-20 18:23:21,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:23:21,168 INFO L93 Difference]: Finished difference Result 5981 states and 7490 transitions. [2020-07-20 18:23:21,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 18:23:21,169 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-07-20 18:23:21,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:23:21,192 INFO L225 Difference]: With dead ends: 5981 [2020-07-20 18:23:21,192 INFO L226 Difference]: Without dead ends: 3785 [2020-07-20 18:23:21,202 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 [2020-07-20 18:23:21,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3785 states. [2020-07-20 18:23:21,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3785 to 3782. [2020-07-20 18:23:21,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3782 states. [2020-07-20 18:23:21,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3782 states to 3782 states and 4693 transitions. [2020-07-20 18:23:21,486 INFO L78 Accepts]: Start accepts. Automaton has 3782 states and 4693 transitions. Word has length 155 [2020-07-20 18:23:21,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:23:21,486 INFO L479 AbstractCegarLoop]: Abstraction has 3782 states and 4693 transitions. [2020-07-20 18:23:21,486 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 18:23:21,487 INFO L276 IsEmpty]: Start isEmpty. Operand 3782 states and 4693 transitions. [2020-07-20 18:23:21,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-07-20 18:23:21,491 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:23:21,492 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 18:23:21,705 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:23:21,706 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:23:21,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:23:21,706 INFO L82 PathProgramCache]: Analyzing trace with hash -390866386, now seen corresponding path program 1 times [2020-07-20 18:23:21,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:23:21,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1027484529] [2020-07-20 18:23:21,707 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 18:23:21,856 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 18:23:21,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:23:21,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 18:23:21,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:23:21,998 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 18:23:21,998 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 18:23:21,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1027484529] [2020-07-20 18:23:21,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 18:23:21,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 18:23:22,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088150675] [2020-07-20 18:23:22,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 18:23:22,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:23:22,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 18:23:22,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 18:23:22,002 INFO L87 Difference]: Start difference. First operand 3782 states and 4693 transitions. Second operand 3 states. [2020-07-20 18:23:22,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:23:22,346 INFO L93 Difference]: Finished difference Result 9597 states and 12699 transitions. [2020-07-20 18:23:22,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 18:23:22,347 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2020-07-20 18:23:22,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:23:22,385 INFO L225 Difference]: With dead ends: 9597 [2020-07-20 18:23:22,386 INFO L226 Difference]: Without dead ends: 5844 [2020-07-20 18:23:22,410 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 18:23:22,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5844 states. [2020-07-20 18:23:22,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5844 to 5828. [2020-07-20 18:23:22,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5828 states. [2020-07-20 18:23:22,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5828 states to 5828 states and 7364 transitions. [2020-07-20 18:23:22,830 INFO L78 Accepts]: Start accepts. Automaton has 5828 states and 7364 transitions. Word has length 156 [2020-07-20 18:23:22,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:23:22,831 INFO L479 AbstractCegarLoop]: Abstraction has 5828 states and 7364 transitions. [2020-07-20 18:23:22,831 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 18:23:22,831 INFO L276 IsEmpty]: Start isEmpty. Operand 5828 states and 7364 transitions. [2020-07-20 18:23:22,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-07-20 18:23:22,842 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:23:22,842 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, 1, 1] [2020-07-20 18:23:23,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:23:23,047 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:23:23,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:23:23,047 INFO L82 PathProgramCache]: Analyzing trace with hash 2010971608, now seen corresponding path program 1 times [2020-07-20 18:23:23,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:23:23,048 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [608318751] [2020-07-20 18:23:23,048 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 18:23:23,136 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 18:23:23,136 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:23:23,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 18:23:23,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:23:23,168 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-07-20 18:23:23,169 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 18:23:23,169 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [608318751] [2020-07-20 18:23:23,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 18:23:23,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 18:23:23,170 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814238686] [2020-07-20 18:23:23,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 18:23:23,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:23:23,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 18:23:23,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 18:23:23,171 INFO L87 Difference]: Start difference. First operand 5828 states and 7364 transitions. Second operand 3 states. [2020-07-20 18:23:23,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:23:23,434 INFO L93 Difference]: Finished difference Result 9597 states and 12052 transitions. [2020-07-20 18:23:23,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 18:23:23,434 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2020-07-20 18:23:23,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:23:23,465 INFO L225 Difference]: With dead ends: 9597 [2020-07-20 18:23:23,465 INFO L226 Difference]: Without dead ends: 4834 [2020-07-20 18:23:23,559 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 155 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 18:23:23,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4834 states. [2020-07-20 18:23:23,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4834 to 4818. [2020-07-20 18:23:23,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4818 states. [2020-07-20 18:23:23,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4818 states to 4818 states and 5919 transitions. [2020-07-20 18:23:23,879 INFO L78 Accepts]: Start accepts. Automaton has 4818 states and 5919 transitions. Word has length 158 [2020-07-20 18:23:23,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:23:23,880 INFO L479 AbstractCegarLoop]: Abstraction has 4818 states and 5919 transitions. [2020-07-20 18:23:23,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 18:23:23,880 INFO L276 IsEmpty]: Start isEmpty. Operand 4818 states and 5919 transitions. [2020-07-20 18:23:23,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-07-20 18:23:23,896 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:23:23,896 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] [2020-07-20 18:23:24,110 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:23:24,111 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:23:24,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:23:24,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1906477626, now seen corresponding path program 1 times [2020-07-20 18:23:24,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:23:24,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1868934736] [2020-07-20 18:23:24,113 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 18:23:24,288 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 18:23:24,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:23:24,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 815 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 18:23:24,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:23:24,335 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-20 18:23:24,335 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 18:23:24,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1868934736] [2020-07-20 18:23:24,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 18:23:24,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 18:23:24,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484585804] [2020-07-20 18:23:24,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 18:23:24,339 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:23:24,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 18:23:24,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 18:23:24,340 INFO L87 Difference]: Start difference. First operand 4818 states and 5919 transitions. Second operand 3 states. [2020-07-20 18:23:24,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:23:24,629 INFO L93 Difference]: Finished difference Result 7850 states and 9999 transitions. [2020-07-20 18:23:24,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 18:23:24,630 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2020-07-20 18:23:24,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:23:24,657 INFO L225 Difference]: With dead ends: 7850 [2020-07-20 18:23:24,657 INFO L226 Difference]: Without dead ends: 4818 [2020-07-20 18:23:24,671 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 [2020-07-20 18:23:24,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4818 states. [2020-07-20 18:23:24,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4818 to 4797. [2020-07-20 18:23:24,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4797 states. [2020-07-20 18:23:24,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4797 states to 4797 states and 5804 transitions. [2020-07-20 18:23:24,915 INFO L78 Accepts]: Start accepts. Automaton has 4797 states and 5804 transitions. Word has length 206 [2020-07-20 18:23:24,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:23:24,915 INFO L479 AbstractCegarLoop]: Abstraction has 4797 states and 5804 transitions. [2020-07-20 18:23:24,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 18:23:24,916 INFO L276 IsEmpty]: Start isEmpty. Operand 4797 states and 5804 transitions. [2020-07-20 18:23:24,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-07-20 18:23:24,924 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:23:24,924 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, 1] [2020-07-20 18:23:25,137 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:23:25,138 INFO L427 AbstractCegarLoop]: === Iteration 17 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:23:25,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:23:25,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1382123670, now seen corresponding path program 1 times [2020-07-20 18:23:25,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:23:25,138 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1098209804] [2020-07-20 18:23:25,138 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 18:23:25,262 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 18:23:25,263 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:23:25,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 18:23:25,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:23:25,297 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-20 18:23:25,298 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 18:23:25,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1098209804] [2020-07-20 18:23:25,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 18:23:25,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 18:23:25,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342968874] [2020-07-20 18:23:25,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 18:23:25,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:23:25,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 18:23:25,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 18:23:25,300 INFO L87 Difference]: Start difference. First operand 4797 states and 5804 transitions. Second operand 3 states. [2020-07-20 18:23:25,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:23:25,677 INFO L93 Difference]: Finished difference Result 10661 states and 13472 transitions. [2020-07-20 18:23:25,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 18:23:25,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2020-07-20 18:23:25,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:23:25,698 INFO L225 Difference]: With dead ends: 10661 [2020-07-20 18:23:25,698 INFO L226 Difference]: Without dead ends: 3443 [2020-07-20 18:23:25,719 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 [2020-07-20 18:23:25,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3443 states. [2020-07-20 18:23:25,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3443 to 3317. [2020-07-20 18:23:25,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3317 states. [2020-07-20 18:23:25,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3317 states to 3317 states and 3891 transitions. [2020-07-20 18:23:25,886 INFO L78 Accepts]: Start accepts. Automaton has 3317 states and 3891 transitions. Word has length 207 [2020-07-20 18:23:25,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:23:25,886 INFO L479 AbstractCegarLoop]: Abstraction has 3317 states and 3891 transitions. [2020-07-20 18:23:25,887 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 18:23:25,887 INFO L276 IsEmpty]: Start isEmpty. Operand 3317 states and 3891 transitions. [2020-07-20 18:23:25,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-07-20 18:23:25,894 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:23:25,895 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] [2020-07-20 18:23:26,108 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:23:26,109 INFO L427 AbstractCegarLoop]: === Iteration 18 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:23:26,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:23:26,110 INFO L82 PathProgramCache]: Analyzing trace with hash 576428163, now seen corresponding path program 1 times [2020-07-20 18:23:26,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:23:26,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1788668913] [2020-07-20 18:23:26,111 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 18:23:26,168 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 18:23:26,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 18:23:26,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 18:23:26,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 18:23:26,209 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2020-07-20 18:23:26,210 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 18:23:26,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1788668913] [2020-07-20 18:23:26,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 18:23:26,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 18:23:26,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867575929] [2020-07-20 18:23:26,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 18:23:26,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 18:23:26,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 18:23:26,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 18:23:26,212 INFO L87 Difference]: Start difference. First operand 3317 states and 3891 transitions. Second operand 3 states. [2020-07-20 18:23:26,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 18:23:26,340 INFO L93 Difference]: Finished difference Result 5781 states and 6723 transitions. [2020-07-20 18:23:26,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 18:23:26,341 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2020-07-20 18:23:26,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 18:23:26,352 INFO L225 Difference]: With dead ends: 5781 [2020-07-20 18:23:26,353 INFO L226 Difference]: Without dead ends: 2486 [2020-07-20 18:23:26,361 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 18:23:26,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2486 states. [2020-07-20 18:23:26,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2486 to 2486. [2020-07-20 18:23:26,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2486 states. [2020-07-20 18:23:26,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2486 states and 2858 transitions. [2020-07-20 18:23:26,488 INFO L78 Accepts]: Start accepts. Automaton has 2486 states and 2858 transitions. Word has length 208 [2020-07-20 18:23:26,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 18:23:26,488 INFO L479 AbstractCegarLoop]: Abstraction has 2486 states and 2858 transitions. [2020-07-20 18:23:26,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 18:23:26,489 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 2858 transitions. [2020-07-20 18:23:26,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-07-20 18:23:26,494 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 18:23:26,494 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] [2020-07-20 18:23:26,708 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:23:26,709 INFO L427 AbstractCegarLoop]: === Iteration 19 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 18:23:26,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 18:23:26,710 INFO L82 PathProgramCache]: Analyzing trace with hash 89354437, now seen corresponding path program 1 times [2020-07-20 18:23:26,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 18:23:26,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1387849175] [2020-07-20 18:23:26,711 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 18:23:26,925 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 18:23:26,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2020-07-20 18:23:26,926 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 18:23:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 18:23:26,979 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 18:23:27,240 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-20 18:23:27,241 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-20 18:23:27,454 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 18:23:27,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 06:23:27 BoogieIcfgContainer [2020-07-20 18:23:27,636 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 18:23:27,639 INFO L168 Benchmark]: Toolchain (without parser) took 16752.55 ms. Allocated memory was 143.1 MB in the beginning and 666.4 MB in the end (delta: 523.2 MB). Free memory was 100.6 MB in the beginning and 504.4 MB in the end (delta: -403.8 MB). Peak memory consumption was 119.5 MB. Max. memory is 7.1 GB. [2020-07-20 18:23:27,640 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 143.1 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-20 18:23:27,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.81 ms. Allocated memory is still 143.1 MB. Free memory was 100.2 MB in the beginning and 85.8 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2020-07-20 18:23:27,641 INFO L168 Benchmark]: Boogie Preprocessor took 150.99 ms. Allocated memory was 143.1 MB in the beginning and 199.8 MB in the end (delta: 56.6 MB). Free memory was 85.8 MB in the beginning and 176.9 MB in the end (delta: -91.1 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-07-20 18:23:27,641 INFO L168 Benchmark]: RCFGBuilder took 638.30 ms. Allocated memory is still 199.8 MB. Free memory was 176.9 MB in the beginning and 140.4 MB in the end (delta: 36.5 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. [2020-07-20 18:23:27,642 INFO L168 Benchmark]: TraceAbstraction took 15471.40 ms. Allocated memory was 199.8 MB in the beginning and 666.4 MB in the end (delta: 466.6 MB). Free memory was 139.7 MB in the beginning and 504.4 MB in the end (delta: -364.7 MB). Peak memory consumption was 101.9 MB. Max. memory is 7.1 GB. [2020-07-20 18:23:27,644 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 143.1 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 484.81 ms. Allocated memory is still 143.1 MB. Free memory was 100.2 MB in the beginning and 85.8 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 150.99 ms. Allocated memory was 143.1 MB in the beginning and 199.8 MB in the end (delta: 56.6 MB). Free memory was 85.8 MB in the beginning and 176.9 MB in the end (delta: -91.1 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 638.30 ms. Allocated memory is still 199.8 MB. Free memory was 176.9 MB in the beginning and 140.4 MB in the end (delta: 36.5 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15471.40 ms. Allocated memory was 199.8 MB in the beginning and 666.4 MB in the end (delta: 466.6 MB). Free memory was 139.7 MB in the beginning and 504.4 MB in the end (delta: -364.7 MB). Peak memory consumption was 101.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 11]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L15] int m_pc = 0; [L16] int t1_pc = 0; [L17] int 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)=6, \old(M_E)=10, \old(m_i)=3, \old(m_pc)=4, \old(m_st)=8, \old(T1_E)=14, \old(t1_i)=11, \old(t1_pc)=13, \old(t1_st)=12, \old(T2_E)=7, \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: 15.2s, OverallIterations: 19, TraceHistogramMax: 3, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4334 SDtfs, 3250 SDslu, 4196 SDs, 0 SdLazy, 1494 SolverSat, 634 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2184 GetRequests, 2136 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5828occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 18 MinimizatonAttempts, 470 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 2400 NumberOfCodeBlocks, 1764 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 2174 ConstructedInterpolants, 0 QuantifiedInterpolants, 407938 SizeOfPredicates, 21 NumberOfNonLiveVariables, 7663 ConjunctsInSsa, 108 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 495/495 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...