./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.02.cil-2.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.02.cil-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a145625a0fe2baedf73b7a84d58038ade27f8470c6f09a0f78d8ec75fe662acb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 19:54:40,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 19:54:40,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 19:54:40,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 19:54:40,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 19:54:40,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 19:54:40,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 19:54:40,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 19:54:40,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 19:54:40,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 19:54:40,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 19:54:40,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 19:54:40,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 19:54:40,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 19:54:40,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 19:54:40,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 19:54:40,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 19:54:40,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 19:54:40,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 19:54:40,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 19:54:40,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 19:54:40,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 19:54:40,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 19:54:40,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 19:54:40,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 19:54:40,521 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 19:54:40,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 19:54:40,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 19:54:40,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 19:54:40,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 19:54:40,524 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 19:54:40,525 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 19:54:40,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 19:54:40,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 19:54:40,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 19:54:40,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 19:54:40,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 19:54:40,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 19:54:40,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 19:54:40,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 19:54:40,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 19:54:40,531 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 19:54:40,549 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 19:54:40,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 19:54:40,549 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 19:54:40,549 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 19:54:40,550 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 19:54:40,550 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 19:54:40,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 19:54:40,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 19:54:40,551 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 19:54:40,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 19:54:40,551 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 19:54:40,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 19:54:40,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 19:54:40,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 19:54:40,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 19:54:40,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 19:54:40,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 19:54:40,552 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 19:54:40,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 19:54:40,552 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 19:54:40,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 19:54:40,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 19:54:40,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 19:54:40,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 19:54:40,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 19:54:40,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 19:54:40,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 19:54:40,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 19:54:40,553 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 19:54:40,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 19:54:40,554 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 19:54:40,554 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 19:54:40,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 19:54:40,554 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a145625a0fe2baedf73b7a84d58038ade27f8470c6f09a0f78d8ec75fe662acb [2022-02-20 19:54:40,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 19:54:40,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 19:54:40,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 19:54:40,760 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 19:54:40,761 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 19:54:40,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.02.cil-2.c [2022-02-20 19:54:40,805 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e8a86cab/8fb3581509634b4ca9b1ce559f090a44/FLAG1aa76d13e [2022-02-20 19:54:41,163 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 19:54:41,163 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.02.cil-2.c [2022-02-20 19:54:41,182 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e8a86cab/8fb3581509634b4ca9b1ce559f090a44/FLAG1aa76d13e [2022-02-20 19:54:41,191 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e8a86cab/8fb3581509634b4ca9b1ce559f090a44 [2022-02-20 19:54:41,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 19:54:41,194 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 19:54:41,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 19:54:41,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 19:54:41,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 19:54:41,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 07:54:41" (1/1) ... [2022-02-20 19:54:41,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c41c10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:54:41, skipping insertion in model container [2022-02-20 19:54:41,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 07:54:41" (1/1) ... [2022-02-20 19:54:41,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 19:54:41,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 19:54:41,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.02.cil-2.c[913,926] [2022-02-20 19:54:41,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.02.cil-2.c[5977,5990] [2022-02-20 19:54:41,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 19:54:41,446 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 19:54:41,454 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.02.cil-2.c[913,926] [2022-02-20 19:54:41,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.02.cil-2.c[5977,5990] [2022-02-20 19:54:41,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 19:54:41,497 INFO L208 MainTranslator]: Completed translation [2022-02-20 19:54:41,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:54:41 WrapperNode [2022-02-20 19:54:41,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 19:54:41,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 19:54:41,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 19:54:41,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 19:54:41,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:54:41" (1/1) ... [2022-02-20 19:54:41,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:54:41" (1/1) ... [2022-02-20 19:54:41,549 INFO L137 Inliner]: procedures = 52, calls = 55, calls flagged for inlining = 26, calls inlined = 26, statements flattened = 480 [2022-02-20 19:54:41,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 19:54:41,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 19:54:41,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 19:54:41,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 19:54:41,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:54:41" (1/1) ... [2022-02-20 19:54:41,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:54:41" (1/1) ... [2022-02-20 19:54:41,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:54:41" (1/1) ... [2022-02-20 19:54:41,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:54:41" (1/1) ... [2022-02-20 19:54:41,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:54:41" (1/1) ... [2022-02-20 19:54:41,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:54:41" (1/1) ... [2022-02-20 19:54:41,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:54:41" (1/1) ... [2022-02-20 19:54:41,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 19:54:41,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 19:54:41,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 19:54:41,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 19:54:41,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:54:41" (1/1) ... [2022-02-20 19:54:41,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 19:54:41,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 19:54:41,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 19:54:41,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 19:54:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 19:54:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-02-20 19:54:41,666 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-02-20 19:54:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2022-02-20 19:54:41,666 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2022-02-20 19:54:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2022-02-20 19:54:41,666 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2022-02-20 19:54:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2022-02-20 19:54:41,666 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2022-02-20 19:54:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2022-02-20 19:54:41,666 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2022-02-20 19:54:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2022-02-20 19:54:41,666 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2022-02-20 19:54:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2022-02-20 19:54:41,667 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2022-02-20 19:54:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 19:54:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2022-02-20 19:54:41,667 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2022-02-20 19:54:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 19:54:41,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 19:54:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2022-02-20 19:54:41,667 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2022-02-20 19:54:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2022-02-20 19:54:41,668 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2022-02-20 19:54:41,731 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 19:54:41,732 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 19:54:42,166 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 19:54:42,173 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 19:54:42,173 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2022-02-20 19:54:42,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 07:54:42 BoogieIcfgContainer [2022-02-20 19:54:42,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 19:54:42,176 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 19:54:42,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 19:54:42,182 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 19:54:42,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 07:54:41" (1/3) ... [2022-02-20 19:54:42,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a39989b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 07:54:42, skipping insertion in model container [2022-02-20 19:54:42,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:54:41" (2/3) ... [2022-02-20 19:54:42,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a39989b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 07:54:42, skipping insertion in model container [2022-02-20 19:54:42,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 07:54:42" (3/3) ... [2022-02-20 19:54:42,184 INFO L111 eAbstractionObserver]: Analyzing ICFG pc_sfifo_1.cil-2+token_ring.02.cil-2.c [2022-02-20 19:54:42,188 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 19:54:42,188 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-02-20 19:54:42,254 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 19:54:42,260 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 19:54:42,260 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-20 19:54:42,284 INFO L276 IsEmpty]: Start isEmpty. Operand has 212 states, 175 states have (on average 1.5771428571428572) internal successors, (276), 182 states have internal predecessors, (276), 24 states have call successors, (24), 10 states have call predecessors, (24), 10 states have return successors, (24), 22 states have call predecessors, (24), 24 states have call successors, (24) [2022-02-20 19:54:42,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-02-20 19:54:42,289 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:54:42,290 INFO L514 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] [2022-02-20 19:54:42,290 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [error1Err0ASSERT_VIOLATIONERROR_FUNCTION, error2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:54:42,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:54:42,293 INFO L85 PathProgramCache]: Analyzing trace with hash 2045589042, now seen corresponding path program 1 times [2022-02-20 19:54:42,299 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:54:42,299 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439599706] [2022-02-20 19:54:42,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:54:42,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:54:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:42,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 19:54:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:42,519 INFO L290 TraceCheckUtils]: 0: Hoare triple {215#true} havoc ~__retres1~2; {215#true} is VALID [2022-02-20 19:54:42,521 INFO L290 TraceCheckUtils]: 1: Hoare triple {215#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {217#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:42,521 INFO L290 TraceCheckUtils]: 2: Hoare triple {217#(= ~p_dw_st~0 0)} #res := ~__retres1~2; {217#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:42,522 INFO L290 TraceCheckUtils]: 3: Hoare triple {217#(= ~p_dw_st~0 0)} assume true; {217#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:42,522 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {217#(= ~p_dw_st~0 0)} {217#(= ~p_dw_st~0 0)} #731#return; {217#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:42,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-20 19:54:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:42,555 INFO L290 TraceCheckUtils]: 0: Hoare triple {237#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {215#true} is VALID [2022-02-20 19:54:42,556 INFO L290 TraceCheckUtils]: 1: Hoare triple {215#true} assume !(1 == ~p_dw_pc~0); {215#true} is VALID [2022-02-20 19:54:42,556 INFO L290 TraceCheckUtils]: 2: Hoare triple {215#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {215#true} is VALID [2022-02-20 19:54:42,556 INFO L290 TraceCheckUtils]: 3: Hoare triple {215#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {215#true} is VALID [2022-02-20 19:54:42,556 INFO L290 TraceCheckUtils]: 4: Hoare triple {215#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {215#true} is VALID [2022-02-20 19:54:42,557 INFO L290 TraceCheckUtils]: 5: Hoare triple {215#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {215#true} is VALID [2022-02-20 19:54:42,557 INFO L290 TraceCheckUtils]: 6: Hoare triple {215#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {215#true} is VALID [2022-02-20 19:54:42,557 INFO L290 TraceCheckUtils]: 7: Hoare triple {215#true} assume 1 == ~c_dr_pc~0; {215#true} is VALID [2022-02-20 19:54:42,557 INFO L290 TraceCheckUtils]: 8: Hoare triple {215#true} assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1#1 := 1; {215#true} is VALID [2022-02-20 19:54:42,557 INFO L290 TraceCheckUtils]: 9: Hoare triple {215#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {215#true} is VALID [2022-02-20 19:54:42,558 INFO L290 TraceCheckUtils]: 10: Hoare triple {215#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {215#true} is VALID [2022-02-20 19:54:42,558 INFO L290 TraceCheckUtils]: 11: Hoare triple {215#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {215#true} is VALID [2022-02-20 19:54:42,558 INFO L290 TraceCheckUtils]: 12: Hoare triple {215#true} assume true; {215#true} is VALID [2022-02-20 19:54:42,559 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {215#true} {216#false} #735#return; {216#false} is VALID [2022-02-20 19:54:42,559 INFO L290 TraceCheckUtils]: 0: Hoare triple {215#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~token~0 := 0;~local~0 := 0; {215#true} is VALID [2022-02-20 19:54:42,559 INFO L290 TraceCheckUtils]: 1: Hoare triple {215#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1;assume -2147483648 <= main_#t~nondet29#1 && main_#t~nondet29#1 <= 2147483647; {215#true} is VALID [2022-02-20 19:54:42,560 INFO L290 TraceCheckUtils]: 2: Hoare triple {215#true} assume 0 != main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_main1 } true;havoc main1_#res#1;havoc main1_~__retres1~3#1;havoc main1_~__retres1~3#1;assume { :begin_inline_init_model1 } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {215#true} is VALID [2022-02-20 19:54:42,560 INFO L290 TraceCheckUtils]: 3: Hoare triple {215#true} assume { :end_inline_init_model1 } true;assume { :begin_inline_start_simulation1 } true;havoc start_simulation1_#t~ret12#1, start_simulation1_~kernel_st~0#1, start_simulation1_~tmp~3#1;havoc start_simulation1_~kernel_st~0#1;havoc start_simulation1_~tmp~3#1;start_simulation1_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads1 } true; {215#true} is VALID [2022-02-20 19:54:42,560 INFO L290 TraceCheckUtils]: 4: Hoare triple {215#true} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {217#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:42,562 INFO L290 TraceCheckUtils]: 5: Hoare triple {217#(= ~p_dw_st~0 0)} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {217#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:42,562 INFO L290 TraceCheckUtils]: 6: Hoare triple {217#(= ~p_dw_st~0 0)} assume { :end_inline_init_threads1 } true; {217#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:42,563 INFO L290 TraceCheckUtils]: 7: Hoare triple {217#(= ~p_dw_st~0 0)} assume !false; {217#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:42,564 INFO L290 TraceCheckUtils]: 8: Hoare triple {217#(= ~p_dw_st~0 0)} start_simulation1_~kernel_st~0#1 := 1;assume { :begin_inline_eval1 } true;havoc eval1_#t~ret8#1, eval1_#t~nondet9#1, eval1_#t~nondet10#1, eval1_~tmp~1#1, eval1_~tmp___0~1#1, eval1_~tmp___1~0#1;havoc eval1_~tmp~1#1;havoc eval1_~tmp___0~1#1;havoc eval1_~tmp___1~0#1; {217#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:42,564 INFO L290 TraceCheckUtils]: 9: Hoare triple {217#(= ~p_dw_st~0 0)} assume !false; {217#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:42,564 INFO L272 TraceCheckUtils]: 10: Hoare triple {217#(= ~p_dw_st~0 0)} call eval1_#t~ret8#1 := exists_runnable_thread1(); {215#true} is VALID [2022-02-20 19:54:42,564 INFO L290 TraceCheckUtils]: 11: Hoare triple {215#true} havoc ~__retres1~2; {215#true} is VALID [2022-02-20 19:54:42,565 INFO L290 TraceCheckUtils]: 12: Hoare triple {215#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {217#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:42,566 INFO L290 TraceCheckUtils]: 13: Hoare triple {217#(= ~p_dw_st~0 0)} #res := ~__retres1~2; {217#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:42,566 INFO L290 TraceCheckUtils]: 14: Hoare triple {217#(= ~p_dw_st~0 0)} assume true; {217#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:42,567 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {217#(= ~p_dw_st~0 0)} {217#(= ~p_dw_st~0 0)} #731#return; {217#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:42,567 INFO L290 TraceCheckUtils]: 16: Hoare triple {217#(= ~p_dw_st~0 0)} assume -2147483648 <= eval1_#t~ret8#1 && eval1_#t~ret8#1 <= 2147483647;eval1_~tmp___1~0#1 := eval1_#t~ret8#1;havoc eval1_#t~ret8#1; {217#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:42,568 INFO L290 TraceCheckUtils]: 17: Hoare triple {217#(= ~p_dw_st~0 0)} assume 0 != eval1_~tmp___1~0#1; {217#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:42,568 INFO L290 TraceCheckUtils]: 18: Hoare triple {217#(= ~p_dw_st~0 0)} assume !(0 == ~p_dw_st~0); {216#false} is VALID [2022-02-20 19:54:42,568 INFO L290 TraceCheckUtils]: 19: Hoare triple {216#false} assume 0 == ~c_dr_st~0;assume -2147483648 <= eval1_#t~nondet10#1 && eval1_#t~nondet10#1 <= 2147483647;eval1_~tmp___0~1#1 := eval1_#t~nondet10#1;havoc eval1_#t~nondet10#1; {216#false} is VALID [2022-02-20 19:54:42,569 INFO L290 TraceCheckUtils]: 20: Hoare triple {216#false} assume 0 != eval1_~tmp___0~1#1;~c_dr_st~0 := 1;assume { :begin_inline_do_read_c } true;havoc do_read_c_~a~0#1;havoc do_read_c_~a~0#1; {216#false} is VALID [2022-02-20 19:54:42,569 INFO L290 TraceCheckUtils]: 21: Hoare triple {216#false} assume 0 == ~c_dr_pc~0; {216#false} is VALID [2022-02-20 19:54:42,569 INFO L290 TraceCheckUtils]: 22: Hoare triple {216#false} assume !false; {216#false} is VALID [2022-02-20 19:54:42,569 INFO L290 TraceCheckUtils]: 23: Hoare triple {216#false} assume !(1 == ~q_free~0); {216#false} is VALID [2022-02-20 19:54:42,570 INFO L290 TraceCheckUtils]: 24: Hoare triple {216#false} do_read_c_~a~0#1 := ~q_buf_0~0;~c_last_read~0 := do_read_c_~a~0#1;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_read_ev~0 := 1; {216#false} is VALID [2022-02-20 19:54:42,570 INFO L272 TraceCheckUtils]: 25: Hoare triple {216#false} call immediate_notify_threads(); {237#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:54:42,570 INFO L290 TraceCheckUtils]: 26: Hoare triple {237#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {215#true} is VALID [2022-02-20 19:54:42,570 INFO L290 TraceCheckUtils]: 27: Hoare triple {215#true} assume !(1 == ~p_dw_pc~0); {215#true} is VALID [2022-02-20 19:54:42,570 INFO L290 TraceCheckUtils]: 28: Hoare triple {215#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {215#true} is VALID [2022-02-20 19:54:42,571 INFO L290 TraceCheckUtils]: 29: Hoare triple {215#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {215#true} is VALID [2022-02-20 19:54:42,573 INFO L290 TraceCheckUtils]: 30: Hoare triple {215#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {215#true} is VALID [2022-02-20 19:54:42,573 INFO L290 TraceCheckUtils]: 31: Hoare triple {215#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {215#true} is VALID [2022-02-20 19:54:42,573 INFO L290 TraceCheckUtils]: 32: Hoare triple {215#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {215#true} is VALID [2022-02-20 19:54:42,574 INFO L290 TraceCheckUtils]: 33: Hoare triple {215#true} assume 1 == ~c_dr_pc~0; {215#true} is VALID [2022-02-20 19:54:42,575 INFO L290 TraceCheckUtils]: 34: Hoare triple {215#true} assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1#1 := 1; {215#true} is VALID [2022-02-20 19:54:42,576 INFO L290 TraceCheckUtils]: 35: Hoare triple {215#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {215#true} is VALID [2022-02-20 19:54:42,578 INFO L290 TraceCheckUtils]: 36: Hoare triple {215#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {215#true} is VALID [2022-02-20 19:54:42,579 INFO L290 TraceCheckUtils]: 37: Hoare triple {215#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {215#true} is VALID [2022-02-20 19:54:42,579 INFO L290 TraceCheckUtils]: 38: Hoare triple {215#true} assume true; {215#true} is VALID [2022-02-20 19:54:42,580 INFO L284 TraceCheckUtils]: 39: Hoare quadruple {215#true} {216#false} #735#return; {216#false} is VALID [2022-02-20 19:54:42,580 INFO L290 TraceCheckUtils]: 40: Hoare triple {216#false} ~q_read_ev~0 := 2; {216#false} is VALID [2022-02-20 19:54:42,580 INFO L290 TraceCheckUtils]: 41: Hoare triple {216#false} assume !(~p_last_write~0 == ~c_last_read~0); {216#false} is VALID [2022-02-20 19:54:42,580 INFO L272 TraceCheckUtils]: 42: Hoare triple {216#false} call error1(); {216#false} is VALID [2022-02-20 19:54:42,581 INFO L290 TraceCheckUtils]: 43: Hoare triple {216#false} assume !false; {216#false} is VALID [2022-02-20 19:54:42,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 19:54:42,584 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:54:42,584 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439599706] [2022-02-20 19:54:42,584 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439599706] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:54:42,585 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 19:54:42,585 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 19:54:42,587 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073911473] [2022-02-20 19:54:42,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:54:42,592 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2022-02-20 19:54:42,596 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:54:42,599 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 19:54:42,641 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:54:42,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 19:54:42,641 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:54:42,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 19:54:42,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 19:54:42,671 INFO L87 Difference]: Start difference. First operand has 212 states, 175 states have (on average 1.5771428571428572) internal successors, (276), 182 states have internal predecessors, (276), 24 states have call successors, (24), 10 states have call predecessors, (24), 10 states have return successors, (24), 22 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 19:54:43,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:43,289 INFO L93 Difference]: Finished difference Result 478 states and 736 transitions. [2022-02-20 19:54:43,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 19:54:43,289 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2022-02-20 19:54:43,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:54:43,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 19:54:43,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 736 transitions. [2022-02-20 19:54:43,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 19:54:43,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 736 transitions. [2022-02-20 19:54:43,315 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 736 transitions. [2022-02-20 19:54:43,812 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 736 edges. 736 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:54:43,827 INFO L225 Difference]: With dead ends: 478 [2022-02-20 19:54:43,827 INFO L226 Difference]: Without dead ends: 271 [2022-02-20 19:54:43,830 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 19:54:43,832 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 357 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 19:54:43,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [373 Valid, 551 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 19:54:43,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2022-02-20 19:54:43,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 265. [2022-02-20 19:54:43,863 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:54:43,865 INFO L82 GeneralOperation]: Start isEquivalent. First operand 271 states. Second operand has 265 states, 224 states have (on average 1.4419642857142858) internal successors, (323), 229 states have internal predecessors, (323), 28 states have call successors, (28), 12 states have call predecessors, (28), 11 states have return successors, (30), 24 states have call predecessors, (30), 24 states have call successors, (30) [2022-02-20 19:54:43,866 INFO L74 IsIncluded]: Start isIncluded. First operand 271 states. Second operand has 265 states, 224 states have (on average 1.4419642857142858) internal successors, (323), 229 states have internal predecessors, (323), 28 states have call successors, (28), 12 states have call predecessors, (28), 11 states have return successors, (30), 24 states have call predecessors, (30), 24 states have call successors, (30) [2022-02-20 19:54:43,867 INFO L87 Difference]: Start difference. First operand 271 states. Second operand has 265 states, 224 states have (on average 1.4419642857142858) internal successors, (323), 229 states have internal predecessors, (323), 28 states have call successors, (28), 12 states have call predecessors, (28), 11 states have return successors, (30), 24 states have call predecessors, (30), 24 states have call successors, (30) [2022-02-20 19:54:43,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:43,890 INFO L93 Difference]: Finished difference Result 271 states and 387 transitions. [2022-02-20 19:54:43,890 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 387 transitions. [2022-02-20 19:54:43,895 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:43,897 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:43,898 INFO L74 IsIncluded]: Start isIncluded. First operand has 265 states, 224 states have (on average 1.4419642857142858) internal successors, (323), 229 states have internal predecessors, (323), 28 states have call successors, (28), 12 states have call predecessors, (28), 11 states have return successors, (30), 24 states have call predecessors, (30), 24 states have call successors, (30) Second operand 271 states. [2022-02-20 19:54:43,898 INFO L87 Difference]: Start difference. First operand has 265 states, 224 states have (on average 1.4419642857142858) internal successors, (323), 229 states have internal predecessors, (323), 28 states have call successors, (28), 12 states have call predecessors, (28), 11 states have return successors, (30), 24 states have call predecessors, (30), 24 states have call successors, (30) Second operand 271 states. [2022-02-20 19:54:43,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:43,910 INFO L93 Difference]: Finished difference Result 271 states and 387 transitions. [2022-02-20 19:54:43,910 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 387 transitions. [2022-02-20 19:54:43,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:43,912 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:43,912 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:54:43,912 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:54:43,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 224 states have (on average 1.4419642857142858) internal successors, (323), 229 states have internal predecessors, (323), 28 states have call successors, (28), 12 states have call predecessors, (28), 11 states have return successors, (30), 24 states have call predecessors, (30), 24 states have call successors, (30) [2022-02-20 19:54:43,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 381 transitions. [2022-02-20 19:54:43,925 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 381 transitions. Word has length 44 [2022-02-20 19:54:43,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:54:43,926 INFO L470 AbstractCegarLoop]: Abstraction has 265 states and 381 transitions. [2022-02-20 19:54:43,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 19:54:43,927 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 381 transitions. [2022-02-20 19:54:43,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-02-20 19:54:43,928 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:54:43,928 INFO L514 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] [2022-02-20 19:54:43,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 19:54:43,929 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [error1Err0ASSERT_VIOLATIONERROR_FUNCTION, error2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:54:43,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:54:43,930 INFO L85 PathProgramCache]: Analyzing trace with hash 899257869, now seen corresponding path program 1 times [2022-02-20 19:54:43,930 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:54:43,930 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195096392] [2022-02-20 19:54:43,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:54:43,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:54:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:43,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 19:54:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:43,988 INFO L290 TraceCheckUtils]: 0: Hoare triple {1809#true} havoc ~__retres1~2; {1809#true} is VALID [2022-02-20 19:54:43,988 INFO L290 TraceCheckUtils]: 1: Hoare triple {1809#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {1809#true} is VALID [2022-02-20 19:54:43,988 INFO L290 TraceCheckUtils]: 2: Hoare triple {1809#true} #res := ~__retres1~2; {1809#true} is VALID [2022-02-20 19:54:43,988 INFO L290 TraceCheckUtils]: 3: Hoare triple {1809#true} assume true; {1809#true} is VALID [2022-02-20 19:54:43,989 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {1809#true} {1811#(= ~q_free~0 1)} #731#return; {1811#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:43,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-02-20 19:54:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:44,008 INFO L290 TraceCheckUtils]: 0: Hoare triple {1831#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {1809#true} is VALID [2022-02-20 19:54:44,008 INFO L290 TraceCheckUtils]: 1: Hoare triple {1809#true} assume !(1 == ~p_dw_pc~0); {1809#true} is VALID [2022-02-20 19:54:44,008 INFO L290 TraceCheckUtils]: 2: Hoare triple {1809#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {1809#true} is VALID [2022-02-20 19:54:44,008 INFO L290 TraceCheckUtils]: 3: Hoare triple {1809#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {1809#true} is VALID [2022-02-20 19:54:44,008 INFO L290 TraceCheckUtils]: 4: Hoare triple {1809#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {1809#true} is VALID [2022-02-20 19:54:44,008 INFO L290 TraceCheckUtils]: 5: Hoare triple {1809#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {1809#true} is VALID [2022-02-20 19:54:44,008 INFO L290 TraceCheckUtils]: 6: Hoare triple {1809#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {1809#true} is VALID [2022-02-20 19:54:44,009 INFO L290 TraceCheckUtils]: 7: Hoare triple {1809#true} assume 1 == ~c_dr_pc~0; {1809#true} is VALID [2022-02-20 19:54:44,009 INFO L290 TraceCheckUtils]: 8: Hoare triple {1809#true} assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1#1 := 1; {1809#true} is VALID [2022-02-20 19:54:44,009 INFO L290 TraceCheckUtils]: 9: Hoare triple {1809#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {1809#true} is VALID [2022-02-20 19:54:44,009 INFO L290 TraceCheckUtils]: 10: Hoare triple {1809#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {1809#true} is VALID [2022-02-20 19:54:44,009 INFO L290 TraceCheckUtils]: 11: Hoare triple {1809#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {1809#true} is VALID [2022-02-20 19:54:44,009 INFO L290 TraceCheckUtils]: 12: Hoare triple {1809#true} assume true; {1809#true} is VALID [2022-02-20 19:54:44,009 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {1809#true} {1810#false} #735#return; {1810#false} is VALID [2022-02-20 19:54:44,009 INFO L290 TraceCheckUtils]: 0: Hoare triple {1809#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~token~0 := 0;~local~0 := 0; {1809#true} is VALID [2022-02-20 19:54:44,009 INFO L290 TraceCheckUtils]: 1: Hoare triple {1809#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1;assume -2147483648 <= main_#t~nondet29#1 && main_#t~nondet29#1 <= 2147483647; {1809#true} is VALID [2022-02-20 19:54:44,010 INFO L290 TraceCheckUtils]: 2: Hoare triple {1809#true} assume 0 != main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_main1 } true;havoc main1_#res#1;havoc main1_~__retres1~3#1;havoc main1_~__retres1~3#1;assume { :begin_inline_init_model1 } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {1811#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:44,010 INFO L290 TraceCheckUtils]: 3: Hoare triple {1811#(= ~q_free~0 1)} assume { :end_inline_init_model1 } true;assume { :begin_inline_start_simulation1 } true;havoc start_simulation1_#t~ret12#1, start_simulation1_~kernel_st~0#1, start_simulation1_~tmp~3#1;havoc start_simulation1_~kernel_st~0#1;havoc start_simulation1_~tmp~3#1;start_simulation1_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads1 } true; {1811#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:44,010 INFO L290 TraceCheckUtils]: 4: Hoare triple {1811#(= ~q_free~0 1)} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {1811#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:44,011 INFO L290 TraceCheckUtils]: 5: Hoare triple {1811#(= ~q_free~0 1)} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {1811#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:44,011 INFO L290 TraceCheckUtils]: 6: Hoare triple {1811#(= ~q_free~0 1)} assume { :end_inline_init_threads1 } true; {1811#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:44,011 INFO L290 TraceCheckUtils]: 7: Hoare triple {1811#(= ~q_free~0 1)} assume !false; {1811#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:44,011 INFO L290 TraceCheckUtils]: 8: Hoare triple {1811#(= ~q_free~0 1)} start_simulation1_~kernel_st~0#1 := 1;assume { :begin_inline_eval1 } true;havoc eval1_#t~ret8#1, eval1_#t~nondet9#1, eval1_#t~nondet10#1, eval1_~tmp~1#1, eval1_~tmp___0~1#1, eval1_~tmp___1~0#1;havoc eval1_~tmp~1#1;havoc eval1_~tmp___0~1#1;havoc eval1_~tmp___1~0#1; {1811#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:44,012 INFO L290 TraceCheckUtils]: 9: Hoare triple {1811#(= ~q_free~0 1)} assume !false; {1811#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:44,012 INFO L272 TraceCheckUtils]: 10: Hoare triple {1811#(= ~q_free~0 1)} call eval1_#t~ret8#1 := exists_runnable_thread1(); {1809#true} is VALID [2022-02-20 19:54:44,012 INFO L290 TraceCheckUtils]: 11: Hoare triple {1809#true} havoc ~__retres1~2; {1809#true} is VALID [2022-02-20 19:54:44,012 INFO L290 TraceCheckUtils]: 12: Hoare triple {1809#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {1809#true} is VALID [2022-02-20 19:54:44,012 INFO L290 TraceCheckUtils]: 13: Hoare triple {1809#true} #res := ~__retres1~2; {1809#true} is VALID [2022-02-20 19:54:44,012 INFO L290 TraceCheckUtils]: 14: Hoare triple {1809#true} assume true; {1809#true} is VALID [2022-02-20 19:54:44,013 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {1809#true} {1811#(= ~q_free~0 1)} #731#return; {1811#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:44,013 INFO L290 TraceCheckUtils]: 16: Hoare triple {1811#(= ~q_free~0 1)} assume -2147483648 <= eval1_#t~ret8#1 && eval1_#t~ret8#1 <= 2147483647;eval1_~tmp___1~0#1 := eval1_#t~ret8#1;havoc eval1_#t~ret8#1; {1811#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:44,013 INFO L290 TraceCheckUtils]: 17: Hoare triple {1811#(= ~q_free~0 1)} assume 0 != eval1_~tmp___1~0#1; {1811#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:44,014 INFO L290 TraceCheckUtils]: 18: Hoare triple {1811#(= ~q_free~0 1)} assume 0 == ~p_dw_st~0;assume -2147483648 <= eval1_#t~nondet9#1 && eval1_#t~nondet9#1 <= 2147483647;eval1_~tmp~1#1 := eval1_#t~nondet9#1;havoc eval1_#t~nondet9#1; {1811#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:44,014 INFO L290 TraceCheckUtils]: 19: Hoare triple {1811#(= ~q_free~0 1)} assume !(0 != eval1_~tmp~1#1); {1811#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:44,014 INFO L290 TraceCheckUtils]: 20: Hoare triple {1811#(= ~q_free~0 1)} assume 0 == ~c_dr_st~0;assume -2147483648 <= eval1_#t~nondet10#1 && eval1_#t~nondet10#1 <= 2147483647;eval1_~tmp___0~1#1 := eval1_#t~nondet10#1;havoc eval1_#t~nondet10#1; {1811#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:44,014 INFO L290 TraceCheckUtils]: 21: Hoare triple {1811#(= ~q_free~0 1)} assume 0 != eval1_~tmp___0~1#1;~c_dr_st~0 := 1;assume { :begin_inline_do_read_c } true;havoc do_read_c_~a~0#1;havoc do_read_c_~a~0#1; {1811#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:44,015 INFO L290 TraceCheckUtils]: 22: Hoare triple {1811#(= ~q_free~0 1)} assume 0 == ~c_dr_pc~0; {1811#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:44,015 INFO L290 TraceCheckUtils]: 23: Hoare triple {1811#(= ~q_free~0 1)} assume !false; {1811#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:44,015 INFO L290 TraceCheckUtils]: 24: Hoare triple {1811#(= ~q_free~0 1)} assume !(1 == ~q_free~0); {1810#false} is VALID [2022-02-20 19:54:44,015 INFO L290 TraceCheckUtils]: 25: Hoare triple {1810#false} do_read_c_~a~0#1 := ~q_buf_0~0;~c_last_read~0 := do_read_c_~a~0#1;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_read_ev~0 := 1; {1810#false} is VALID [2022-02-20 19:54:44,016 INFO L272 TraceCheckUtils]: 26: Hoare triple {1810#false} call immediate_notify_threads(); {1831#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:54:44,016 INFO L290 TraceCheckUtils]: 27: Hoare triple {1831#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {1809#true} is VALID [2022-02-20 19:54:44,016 INFO L290 TraceCheckUtils]: 28: Hoare triple {1809#true} assume !(1 == ~p_dw_pc~0); {1809#true} is VALID [2022-02-20 19:54:44,016 INFO L290 TraceCheckUtils]: 29: Hoare triple {1809#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {1809#true} is VALID [2022-02-20 19:54:44,016 INFO L290 TraceCheckUtils]: 30: Hoare triple {1809#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {1809#true} is VALID [2022-02-20 19:54:44,016 INFO L290 TraceCheckUtils]: 31: Hoare triple {1809#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {1809#true} is VALID [2022-02-20 19:54:44,016 INFO L290 TraceCheckUtils]: 32: Hoare triple {1809#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {1809#true} is VALID [2022-02-20 19:54:44,016 INFO L290 TraceCheckUtils]: 33: Hoare triple {1809#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {1809#true} is VALID [2022-02-20 19:54:44,016 INFO L290 TraceCheckUtils]: 34: Hoare triple {1809#true} assume 1 == ~c_dr_pc~0; {1809#true} is VALID [2022-02-20 19:54:44,016 INFO L290 TraceCheckUtils]: 35: Hoare triple {1809#true} assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1#1 := 1; {1809#true} is VALID [2022-02-20 19:54:44,016 INFO L290 TraceCheckUtils]: 36: Hoare triple {1809#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {1809#true} is VALID [2022-02-20 19:54:44,017 INFO L290 TraceCheckUtils]: 37: Hoare triple {1809#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {1809#true} is VALID [2022-02-20 19:54:44,017 INFO L290 TraceCheckUtils]: 38: Hoare triple {1809#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {1809#true} is VALID [2022-02-20 19:54:44,017 INFO L290 TraceCheckUtils]: 39: Hoare triple {1809#true} assume true; {1809#true} is VALID [2022-02-20 19:54:44,017 INFO L284 TraceCheckUtils]: 40: Hoare quadruple {1809#true} {1810#false} #735#return; {1810#false} is VALID [2022-02-20 19:54:44,017 INFO L290 TraceCheckUtils]: 41: Hoare triple {1810#false} ~q_read_ev~0 := 2; {1810#false} is VALID [2022-02-20 19:54:44,017 INFO L290 TraceCheckUtils]: 42: Hoare triple {1810#false} assume !(~p_last_write~0 == ~c_last_read~0); {1810#false} is VALID [2022-02-20 19:54:44,017 INFO L272 TraceCheckUtils]: 43: Hoare triple {1810#false} call error1(); {1810#false} is VALID [2022-02-20 19:54:44,017 INFO L290 TraceCheckUtils]: 44: Hoare triple {1810#false} assume !false; {1810#false} is VALID [2022-02-20 19:54:44,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 19:54:44,018 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:54:44,018 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195096392] [2022-02-20 19:54:44,018 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195096392] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:54:44,018 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 19:54:44,018 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 19:54:44,018 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514649442] [2022-02-20 19:54:44,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:54:44,019 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-02-20 19:54:44,019 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:54:44,019 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 19:54:44,042 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:54:44,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 19:54:44,042 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:54:44,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 19:54:44,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 19:54:44,043 INFO L87 Difference]: Start difference. First operand 265 states and 381 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 19:54:44,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:44,534 INFO L93 Difference]: Finished difference Result 513 states and 721 transitions. [2022-02-20 19:54:44,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 19:54:44,534 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-02-20 19:54:44,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:54:44,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 19:54:44,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 469 transitions. [2022-02-20 19:54:44,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 19:54:44,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 469 transitions. [2022-02-20 19:54:44,544 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 469 transitions. [2022-02-20 19:54:44,843 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 469 edges. 469 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:54:44,853 INFO L225 Difference]: With dead ends: 513 [2022-02-20 19:54:44,854 INFO L226 Difference]: Without dead ends: 389 [2022-02-20 19:54:44,854 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 19:54:44,855 INFO L933 BasicCegarLoop]: 336 mSDtfsCounter, 169 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 19:54:44,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 680 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 19:54:44,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2022-02-20 19:54:44,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 332. [2022-02-20 19:54:44,870 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:54:44,871 INFO L82 GeneralOperation]: Start isEquivalent. First operand 389 states. Second operand has 332 states, 285 states have (on average 1.4280701754385965) internal successors, (407), 290 states have internal predecessors, (407), 31 states have call successors, (31), 15 states have call predecessors, (31), 14 states have return successors, (33), 27 states have call predecessors, (33), 27 states have call successors, (33) [2022-02-20 19:54:44,872 INFO L74 IsIncluded]: Start isIncluded. First operand 389 states. Second operand has 332 states, 285 states have (on average 1.4280701754385965) internal successors, (407), 290 states have internal predecessors, (407), 31 states have call successors, (31), 15 states have call predecessors, (31), 14 states have return successors, (33), 27 states have call predecessors, (33), 27 states have call successors, (33) [2022-02-20 19:54:44,873 INFO L87 Difference]: Start difference. First operand 389 states. Second operand has 332 states, 285 states have (on average 1.4280701754385965) internal successors, (407), 290 states have internal predecessors, (407), 31 states have call successors, (31), 15 states have call predecessors, (31), 14 states have return successors, (33), 27 states have call predecessors, (33), 27 states have call successors, (33) [2022-02-20 19:54:44,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:44,884 INFO L93 Difference]: Finished difference Result 389 states and 545 transitions. [2022-02-20 19:54:44,884 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 545 transitions. [2022-02-20 19:54:44,885 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:44,885 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:44,886 INFO L74 IsIncluded]: Start isIncluded. First operand has 332 states, 285 states have (on average 1.4280701754385965) internal successors, (407), 290 states have internal predecessors, (407), 31 states have call successors, (31), 15 states have call predecessors, (31), 14 states have return successors, (33), 27 states have call predecessors, (33), 27 states have call successors, (33) Second operand 389 states. [2022-02-20 19:54:44,886 INFO L87 Difference]: Start difference. First operand has 332 states, 285 states have (on average 1.4280701754385965) internal successors, (407), 290 states have internal predecessors, (407), 31 states have call successors, (31), 15 states have call predecessors, (31), 14 states have return successors, (33), 27 states have call predecessors, (33), 27 states have call successors, (33) Second operand 389 states. [2022-02-20 19:54:44,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:44,897 INFO L93 Difference]: Finished difference Result 389 states and 545 transitions. [2022-02-20 19:54:44,898 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 545 transitions. [2022-02-20 19:54:44,898 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:44,898 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:44,899 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:54:44,899 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:54:44,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 285 states have (on average 1.4280701754385965) internal successors, (407), 290 states have internal predecessors, (407), 31 states have call successors, (31), 15 states have call predecessors, (31), 14 states have return successors, (33), 27 states have call predecessors, (33), 27 states have call successors, (33) [2022-02-20 19:54:44,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 471 transitions. [2022-02-20 19:54:44,909 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 471 transitions. Word has length 45 [2022-02-20 19:54:44,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:54:44,909 INFO L470 AbstractCegarLoop]: Abstraction has 332 states and 471 transitions. [2022-02-20 19:54:44,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 19:54:44,910 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 471 transitions. [2022-02-20 19:54:44,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-02-20 19:54:44,910 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:54:44,911 INFO L514 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] [2022-02-20 19:54:44,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 19:54:44,911 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [error1Err0ASSERT_VIOLATIONERROR_FUNCTION, error2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:54:44,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:54:44,912 INFO L85 PathProgramCache]: Analyzing trace with hash -385099592, now seen corresponding path program 1 times [2022-02-20 19:54:44,912 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:54:44,912 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658461075] [2022-02-20 19:54:44,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:54:44,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:54:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:44,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 19:54:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:44,944 INFO L290 TraceCheckUtils]: 0: Hoare triple {3771#true} havoc ~__retres1~2; {3771#true} is VALID [2022-02-20 19:54:44,944 INFO L290 TraceCheckUtils]: 1: Hoare triple {3771#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {3771#true} is VALID [2022-02-20 19:54:44,944 INFO L290 TraceCheckUtils]: 2: Hoare triple {3771#true} #res := ~__retres1~2; {3771#true} is VALID [2022-02-20 19:54:44,944 INFO L290 TraceCheckUtils]: 3: Hoare triple {3771#true} assume true; {3771#true} is VALID [2022-02-20 19:54:44,945 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {3771#true} {3773#(= ~c_dr_pc~0 0)} #731#return; {3773#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:44,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-02-20 19:54:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:44,954 INFO L290 TraceCheckUtils]: 0: Hoare triple {3793#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {3771#true} is VALID [2022-02-20 19:54:44,954 INFO L290 TraceCheckUtils]: 1: Hoare triple {3771#true} assume !(1 == ~p_dw_pc~0); {3771#true} is VALID [2022-02-20 19:54:44,954 INFO L290 TraceCheckUtils]: 2: Hoare triple {3771#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {3771#true} is VALID [2022-02-20 19:54:44,955 INFO L290 TraceCheckUtils]: 3: Hoare triple {3771#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {3771#true} is VALID [2022-02-20 19:54:44,955 INFO L290 TraceCheckUtils]: 4: Hoare triple {3771#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {3771#true} is VALID [2022-02-20 19:54:44,955 INFO L290 TraceCheckUtils]: 5: Hoare triple {3771#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {3771#true} is VALID [2022-02-20 19:54:44,955 INFO L290 TraceCheckUtils]: 6: Hoare triple {3771#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {3771#true} is VALID [2022-02-20 19:54:44,955 INFO L290 TraceCheckUtils]: 7: Hoare triple {3771#true} assume 1 == ~c_dr_pc~0; {3771#true} is VALID [2022-02-20 19:54:44,955 INFO L290 TraceCheckUtils]: 8: Hoare triple {3771#true} assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1#1 := 1; {3771#true} is VALID [2022-02-20 19:54:44,955 INFO L290 TraceCheckUtils]: 9: Hoare triple {3771#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {3771#true} is VALID [2022-02-20 19:54:44,956 INFO L290 TraceCheckUtils]: 10: Hoare triple {3771#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {3771#true} is VALID [2022-02-20 19:54:44,956 INFO L290 TraceCheckUtils]: 11: Hoare triple {3771#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {3771#true} is VALID [2022-02-20 19:54:44,956 INFO L290 TraceCheckUtils]: 12: Hoare triple {3771#true} assume true; {3771#true} is VALID [2022-02-20 19:54:44,956 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {3771#true} {3772#false} #735#return; {3772#false} is VALID [2022-02-20 19:54:44,956 INFO L290 TraceCheckUtils]: 0: Hoare triple {3771#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~token~0 := 0;~local~0 := 0; {3771#true} is VALID [2022-02-20 19:54:44,956 INFO L290 TraceCheckUtils]: 1: Hoare triple {3771#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1;assume -2147483648 <= main_#t~nondet29#1 && main_#t~nondet29#1 <= 2147483647; {3771#true} is VALID [2022-02-20 19:54:44,957 INFO L290 TraceCheckUtils]: 2: Hoare triple {3771#true} assume 0 != main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_main1 } true;havoc main1_#res#1;havoc main1_~__retres1~3#1;havoc main1_~__retres1~3#1;assume { :begin_inline_init_model1 } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {3773#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:44,957 INFO L290 TraceCheckUtils]: 3: Hoare triple {3773#(= ~c_dr_pc~0 0)} assume { :end_inline_init_model1 } true;assume { :begin_inline_start_simulation1 } true;havoc start_simulation1_#t~ret12#1, start_simulation1_~kernel_st~0#1, start_simulation1_~tmp~3#1;havoc start_simulation1_~kernel_st~0#1;havoc start_simulation1_~tmp~3#1;start_simulation1_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads1 } true; {3773#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:44,957 INFO L290 TraceCheckUtils]: 4: Hoare triple {3773#(= ~c_dr_pc~0 0)} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {3773#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:44,958 INFO L290 TraceCheckUtils]: 5: Hoare triple {3773#(= ~c_dr_pc~0 0)} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {3773#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:44,958 INFO L290 TraceCheckUtils]: 6: Hoare triple {3773#(= ~c_dr_pc~0 0)} assume { :end_inline_init_threads1 } true; {3773#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:44,958 INFO L290 TraceCheckUtils]: 7: Hoare triple {3773#(= ~c_dr_pc~0 0)} assume !false; {3773#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:44,958 INFO L290 TraceCheckUtils]: 8: Hoare triple {3773#(= ~c_dr_pc~0 0)} start_simulation1_~kernel_st~0#1 := 1;assume { :begin_inline_eval1 } true;havoc eval1_#t~ret8#1, eval1_#t~nondet9#1, eval1_#t~nondet10#1, eval1_~tmp~1#1, eval1_~tmp___0~1#1, eval1_~tmp___1~0#1;havoc eval1_~tmp~1#1;havoc eval1_~tmp___0~1#1;havoc eval1_~tmp___1~0#1; {3773#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:44,959 INFO L290 TraceCheckUtils]: 9: Hoare triple {3773#(= ~c_dr_pc~0 0)} assume !false; {3773#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:44,959 INFO L272 TraceCheckUtils]: 10: Hoare triple {3773#(= ~c_dr_pc~0 0)} call eval1_#t~ret8#1 := exists_runnable_thread1(); {3771#true} is VALID [2022-02-20 19:54:44,959 INFO L290 TraceCheckUtils]: 11: Hoare triple {3771#true} havoc ~__retres1~2; {3771#true} is VALID [2022-02-20 19:54:44,959 INFO L290 TraceCheckUtils]: 12: Hoare triple {3771#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {3771#true} is VALID [2022-02-20 19:54:44,959 INFO L290 TraceCheckUtils]: 13: Hoare triple {3771#true} #res := ~__retres1~2; {3771#true} is VALID [2022-02-20 19:54:44,960 INFO L290 TraceCheckUtils]: 14: Hoare triple {3771#true} assume true; {3771#true} is VALID [2022-02-20 19:54:44,960 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {3771#true} {3773#(= ~c_dr_pc~0 0)} #731#return; {3773#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:44,960 INFO L290 TraceCheckUtils]: 16: Hoare triple {3773#(= ~c_dr_pc~0 0)} assume -2147483648 <= eval1_#t~ret8#1 && eval1_#t~ret8#1 <= 2147483647;eval1_~tmp___1~0#1 := eval1_#t~ret8#1;havoc eval1_#t~ret8#1; {3773#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:44,961 INFO L290 TraceCheckUtils]: 17: Hoare triple {3773#(= ~c_dr_pc~0 0)} assume 0 != eval1_~tmp___1~0#1; {3773#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:44,961 INFO L290 TraceCheckUtils]: 18: Hoare triple {3773#(= ~c_dr_pc~0 0)} assume 0 == ~p_dw_st~0;assume -2147483648 <= eval1_#t~nondet9#1 && eval1_#t~nondet9#1 <= 2147483647;eval1_~tmp~1#1 := eval1_#t~nondet9#1;havoc eval1_#t~nondet9#1; {3773#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:44,961 INFO L290 TraceCheckUtils]: 19: Hoare triple {3773#(= ~c_dr_pc~0 0)} assume !(0 != eval1_~tmp~1#1); {3773#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:44,961 INFO L290 TraceCheckUtils]: 20: Hoare triple {3773#(= ~c_dr_pc~0 0)} assume 0 == ~c_dr_st~0;assume -2147483648 <= eval1_#t~nondet10#1 && eval1_#t~nondet10#1 <= 2147483647;eval1_~tmp___0~1#1 := eval1_#t~nondet10#1;havoc eval1_#t~nondet10#1; {3773#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:44,962 INFO L290 TraceCheckUtils]: 21: Hoare triple {3773#(= ~c_dr_pc~0 0)} assume 0 != eval1_~tmp___0~1#1;~c_dr_st~0 := 1;assume { :begin_inline_do_read_c } true;havoc do_read_c_~a~0#1;havoc do_read_c_~a~0#1; {3773#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:44,962 INFO L290 TraceCheckUtils]: 22: Hoare triple {3773#(= ~c_dr_pc~0 0)} assume !(0 == ~c_dr_pc~0); {3772#false} is VALID [2022-02-20 19:54:44,962 INFO L290 TraceCheckUtils]: 23: Hoare triple {3772#false} assume 1 == ~c_dr_pc~0; {3772#false} is VALID [2022-02-20 19:54:44,962 INFO L290 TraceCheckUtils]: 24: Hoare triple {3772#false} do_read_c_~a~0#1 := ~a_t~0; {3772#false} is VALID [2022-02-20 19:54:44,963 INFO L290 TraceCheckUtils]: 25: Hoare triple {3772#false} do_read_c_~a~0#1 := ~q_buf_0~0;~c_last_read~0 := do_read_c_~a~0#1;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_read_ev~0 := 1; {3772#false} is VALID [2022-02-20 19:54:44,963 INFO L272 TraceCheckUtils]: 26: Hoare triple {3772#false} call immediate_notify_threads(); {3793#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:54:44,963 INFO L290 TraceCheckUtils]: 27: Hoare triple {3793#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {3771#true} is VALID [2022-02-20 19:54:44,963 INFO L290 TraceCheckUtils]: 28: Hoare triple {3771#true} assume !(1 == ~p_dw_pc~0); {3771#true} is VALID [2022-02-20 19:54:44,963 INFO L290 TraceCheckUtils]: 29: Hoare triple {3771#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {3771#true} is VALID [2022-02-20 19:54:44,963 INFO L290 TraceCheckUtils]: 30: Hoare triple {3771#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {3771#true} is VALID [2022-02-20 19:54:44,963 INFO L290 TraceCheckUtils]: 31: Hoare triple {3771#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {3771#true} is VALID [2022-02-20 19:54:44,964 INFO L290 TraceCheckUtils]: 32: Hoare triple {3771#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {3771#true} is VALID [2022-02-20 19:54:44,964 INFO L290 TraceCheckUtils]: 33: Hoare triple {3771#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {3771#true} is VALID [2022-02-20 19:54:44,964 INFO L290 TraceCheckUtils]: 34: Hoare triple {3771#true} assume 1 == ~c_dr_pc~0; {3771#true} is VALID [2022-02-20 19:54:44,964 INFO L290 TraceCheckUtils]: 35: Hoare triple {3771#true} assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1#1 := 1; {3771#true} is VALID [2022-02-20 19:54:44,964 INFO L290 TraceCheckUtils]: 36: Hoare triple {3771#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {3771#true} is VALID [2022-02-20 19:54:44,964 INFO L290 TraceCheckUtils]: 37: Hoare triple {3771#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {3771#true} is VALID [2022-02-20 19:54:44,964 INFO L290 TraceCheckUtils]: 38: Hoare triple {3771#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {3771#true} is VALID [2022-02-20 19:54:44,965 INFO L290 TraceCheckUtils]: 39: Hoare triple {3771#true} assume true; {3771#true} is VALID [2022-02-20 19:54:44,965 INFO L284 TraceCheckUtils]: 40: Hoare quadruple {3771#true} {3772#false} #735#return; {3772#false} is VALID [2022-02-20 19:54:44,965 INFO L290 TraceCheckUtils]: 41: Hoare triple {3772#false} ~q_read_ev~0 := 2; {3772#false} is VALID [2022-02-20 19:54:44,965 INFO L290 TraceCheckUtils]: 42: Hoare triple {3772#false} assume !(~p_last_write~0 == ~c_last_read~0); {3772#false} is VALID [2022-02-20 19:54:44,965 INFO L272 TraceCheckUtils]: 43: Hoare triple {3772#false} call error1(); {3772#false} is VALID [2022-02-20 19:54:44,965 INFO L290 TraceCheckUtils]: 44: Hoare triple {3772#false} assume !false; {3772#false} is VALID [2022-02-20 19:54:44,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 19:54:44,966 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:54:44,966 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658461075] [2022-02-20 19:54:44,966 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658461075] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:54:44,966 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 19:54:44,966 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 19:54:44,966 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945794852] [2022-02-20 19:54:44,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:54:44,967 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-02-20 19:54:44,967 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:54:44,967 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 19:54:44,991 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:54:44,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 19:54:44,992 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:54:44,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 19:54:44,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 19:54:44,993 INFO L87 Difference]: Start difference. First operand 332 states and 471 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 19:54:45,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:45,414 INFO L93 Difference]: Finished difference Result 740 states and 1030 transitions. [2022-02-20 19:54:45,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 19:54:45,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-02-20 19:54:45,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:54:45,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 19:54:45,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 480 transitions. [2022-02-20 19:54:45,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 19:54:45,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 480 transitions. [2022-02-20 19:54:45,422 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 480 transitions. [2022-02-20 19:54:45,701 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 480 edges. 480 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:54:45,716 INFO L225 Difference]: With dead ends: 740 [2022-02-20 19:54:45,716 INFO L226 Difference]: Without dead ends: 549 [2022-02-20 19:54:45,717 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 19:54:45,717 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 366 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 19:54:45,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [382 Valid, 543 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 19:54:45,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2022-02-20 19:54:45,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 497. [2022-02-20 19:54:45,732 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:54:45,733 INFO L82 GeneralOperation]: Start isEquivalent. First operand 549 states. Second operand has 497 states, 431 states have (on average 1.3851508120649652) internal successors, (597), 439 states have internal predecessors, (597), 42 states have call successors, (42), 22 states have call predecessors, (42), 22 states have return successors, (50), 36 states have call predecessors, (50), 38 states have call successors, (50) [2022-02-20 19:54:45,734 INFO L74 IsIncluded]: Start isIncluded. First operand 549 states. Second operand has 497 states, 431 states have (on average 1.3851508120649652) internal successors, (597), 439 states have internal predecessors, (597), 42 states have call successors, (42), 22 states have call predecessors, (42), 22 states have return successors, (50), 36 states have call predecessors, (50), 38 states have call successors, (50) [2022-02-20 19:54:45,735 INFO L87 Difference]: Start difference. First operand 549 states. Second operand has 497 states, 431 states have (on average 1.3851508120649652) internal successors, (597), 439 states have internal predecessors, (597), 42 states have call successors, (42), 22 states have call predecessors, (42), 22 states have return successors, (50), 36 states have call predecessors, (50), 38 states have call successors, (50) [2022-02-20 19:54:45,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:45,749 INFO L93 Difference]: Finished difference Result 549 states and 752 transitions. [2022-02-20 19:54:45,749 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 752 transitions. [2022-02-20 19:54:45,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:45,750 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:45,751 INFO L74 IsIncluded]: Start isIncluded. First operand has 497 states, 431 states have (on average 1.3851508120649652) internal successors, (597), 439 states have internal predecessors, (597), 42 states have call successors, (42), 22 states have call predecessors, (42), 22 states have return successors, (50), 36 states have call predecessors, (50), 38 states have call successors, (50) Second operand 549 states. [2022-02-20 19:54:45,752 INFO L87 Difference]: Start difference. First operand has 497 states, 431 states have (on average 1.3851508120649652) internal successors, (597), 439 states have internal predecessors, (597), 42 states have call successors, (42), 22 states have call predecessors, (42), 22 states have return successors, (50), 36 states have call predecessors, (50), 38 states have call successors, (50) Second operand 549 states. [2022-02-20 19:54:45,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:45,765 INFO L93 Difference]: Finished difference Result 549 states and 752 transitions. [2022-02-20 19:54:45,765 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 752 transitions. [2022-02-20 19:54:45,766 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:45,766 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:45,766 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:54:45,766 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:54:45,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 431 states have (on average 1.3851508120649652) internal successors, (597), 439 states have internal predecessors, (597), 42 states have call successors, (42), 22 states have call predecessors, (42), 22 states have return successors, (50), 36 states have call predecessors, (50), 38 states have call successors, (50) [2022-02-20 19:54:45,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 689 transitions. [2022-02-20 19:54:45,781 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 689 transitions. Word has length 45 [2022-02-20 19:54:45,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:54:45,781 INFO L470 AbstractCegarLoop]: Abstraction has 497 states and 689 transitions. [2022-02-20 19:54:45,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 19:54:45,781 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 689 transitions. [2022-02-20 19:54:45,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-02-20 19:54:45,782 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:54:45,782 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-02-20 19:54:45,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 19:54:45,782 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [error1Err0ASSERT_VIOLATIONERROR_FUNCTION, error2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:54:45,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:54:45,782 INFO L85 PathProgramCache]: Analyzing trace with hash -748902494, now seen corresponding path program 1 times [2022-02-20 19:54:45,783 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:54:45,783 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241599506] [2022-02-20 19:54:45,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:54:45,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:54:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:45,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 19:54:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:45,836 INFO L290 TraceCheckUtils]: 0: Hoare triple {6588#true} havoc ~__retres1~2; {6588#true} is VALID [2022-02-20 19:54:45,836 INFO L290 TraceCheckUtils]: 1: Hoare triple {6588#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {6588#true} is VALID [2022-02-20 19:54:45,836 INFO L290 TraceCheckUtils]: 2: Hoare triple {6588#true} #res := ~__retres1~2; {6588#true} is VALID [2022-02-20 19:54:45,836 INFO L290 TraceCheckUtils]: 3: Hoare triple {6588#true} assume true; {6588#true} is VALID [2022-02-20 19:54:45,836 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {6588#true} {6588#true} #731#return; {6588#true} is VALID [2022-02-20 19:54:45,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-02-20 19:54:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:45,839 INFO L290 TraceCheckUtils]: 0: Hoare triple {6588#true} havoc ~__retres1~2; {6588#true} is VALID [2022-02-20 19:54:45,839 INFO L290 TraceCheckUtils]: 1: Hoare triple {6588#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {6588#true} is VALID [2022-02-20 19:54:45,839 INFO L290 TraceCheckUtils]: 2: Hoare triple {6588#true} #res := ~__retres1~2; {6588#true} is VALID [2022-02-20 19:54:45,839 INFO L290 TraceCheckUtils]: 3: Hoare triple {6588#true} assume true; {6588#true} is VALID [2022-02-20 19:54:45,847 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {6588#true} {6595#(= ~c_dr_st~0 2)} #731#return; {6595#(= ~c_dr_st~0 2)} is VALID [2022-02-20 19:54:45,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-02-20 19:54:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:45,856 INFO L290 TraceCheckUtils]: 0: Hoare triple {6615#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {6588#true} is VALID [2022-02-20 19:54:45,856 INFO L290 TraceCheckUtils]: 1: Hoare triple {6588#true} assume !(1 == ~p_dw_pc~0); {6588#true} is VALID [2022-02-20 19:54:45,867 INFO L290 TraceCheckUtils]: 2: Hoare triple {6588#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {6588#true} is VALID [2022-02-20 19:54:45,867 INFO L290 TraceCheckUtils]: 3: Hoare triple {6588#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {6588#true} is VALID [2022-02-20 19:54:45,867 INFO L290 TraceCheckUtils]: 4: Hoare triple {6588#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {6588#true} is VALID [2022-02-20 19:54:45,867 INFO L290 TraceCheckUtils]: 5: Hoare triple {6588#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {6588#true} is VALID [2022-02-20 19:54:45,867 INFO L290 TraceCheckUtils]: 6: Hoare triple {6588#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {6588#true} is VALID [2022-02-20 19:54:45,867 INFO L290 TraceCheckUtils]: 7: Hoare triple {6588#true} assume 1 == ~c_dr_pc~0; {6588#true} is VALID [2022-02-20 19:54:45,867 INFO L290 TraceCheckUtils]: 8: Hoare triple {6588#true} assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1#1 := 1; {6588#true} is VALID [2022-02-20 19:54:45,867 INFO L290 TraceCheckUtils]: 9: Hoare triple {6588#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {6588#true} is VALID [2022-02-20 19:54:45,867 INFO L290 TraceCheckUtils]: 10: Hoare triple {6588#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {6588#true} is VALID [2022-02-20 19:54:45,867 INFO L290 TraceCheckUtils]: 11: Hoare triple {6588#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {6588#true} is VALID [2022-02-20 19:54:45,867 INFO L290 TraceCheckUtils]: 12: Hoare triple {6588#true} assume true; {6588#true} is VALID [2022-02-20 19:54:45,867 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {6588#true} {6589#false} #735#return; {6589#false} is VALID [2022-02-20 19:54:45,868 INFO L290 TraceCheckUtils]: 0: Hoare triple {6588#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~token~0 := 0;~local~0 := 0; {6588#true} is VALID [2022-02-20 19:54:45,868 INFO L290 TraceCheckUtils]: 1: Hoare triple {6588#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1;assume -2147483648 <= main_#t~nondet29#1 && main_#t~nondet29#1 <= 2147483647; {6588#true} is VALID [2022-02-20 19:54:45,868 INFO L290 TraceCheckUtils]: 2: Hoare triple {6588#true} assume 0 != main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_main1 } true;havoc main1_#res#1;havoc main1_~__retres1~3#1;havoc main1_~__retres1~3#1;assume { :begin_inline_init_model1 } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {6588#true} is VALID [2022-02-20 19:54:45,868 INFO L290 TraceCheckUtils]: 3: Hoare triple {6588#true} assume { :end_inline_init_model1 } true;assume { :begin_inline_start_simulation1 } true;havoc start_simulation1_#t~ret12#1, start_simulation1_~kernel_st~0#1, start_simulation1_~tmp~3#1;havoc start_simulation1_~kernel_st~0#1;havoc start_simulation1_~tmp~3#1;start_simulation1_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads1 } true; {6588#true} is VALID [2022-02-20 19:54:45,868 INFO L290 TraceCheckUtils]: 4: Hoare triple {6588#true} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {6588#true} is VALID [2022-02-20 19:54:45,868 INFO L290 TraceCheckUtils]: 5: Hoare triple {6588#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {6588#true} is VALID [2022-02-20 19:54:45,868 INFO L290 TraceCheckUtils]: 6: Hoare triple {6588#true} assume { :end_inline_init_threads1 } true; {6588#true} is VALID [2022-02-20 19:54:45,868 INFO L290 TraceCheckUtils]: 7: Hoare triple {6588#true} assume !false; {6588#true} is VALID [2022-02-20 19:54:45,868 INFO L290 TraceCheckUtils]: 8: Hoare triple {6588#true} start_simulation1_~kernel_st~0#1 := 1;assume { :begin_inline_eval1 } true;havoc eval1_#t~ret8#1, eval1_#t~nondet9#1, eval1_#t~nondet10#1, eval1_~tmp~1#1, eval1_~tmp___0~1#1, eval1_~tmp___1~0#1;havoc eval1_~tmp~1#1;havoc eval1_~tmp___0~1#1;havoc eval1_~tmp___1~0#1; {6588#true} is VALID [2022-02-20 19:54:45,868 INFO L290 TraceCheckUtils]: 9: Hoare triple {6588#true} assume !false; {6588#true} is VALID [2022-02-20 19:54:45,868 INFO L272 TraceCheckUtils]: 10: Hoare triple {6588#true} call eval1_#t~ret8#1 := exists_runnable_thread1(); {6588#true} is VALID [2022-02-20 19:54:45,868 INFO L290 TraceCheckUtils]: 11: Hoare triple {6588#true} havoc ~__retres1~2; {6588#true} is VALID [2022-02-20 19:54:45,869 INFO L290 TraceCheckUtils]: 12: Hoare triple {6588#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {6588#true} is VALID [2022-02-20 19:54:45,869 INFO L290 TraceCheckUtils]: 13: Hoare triple {6588#true} #res := ~__retres1~2; {6588#true} is VALID [2022-02-20 19:54:45,869 INFO L290 TraceCheckUtils]: 14: Hoare triple {6588#true} assume true; {6588#true} is VALID [2022-02-20 19:54:45,869 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {6588#true} {6588#true} #731#return; {6588#true} is VALID [2022-02-20 19:54:45,869 INFO L290 TraceCheckUtils]: 16: Hoare triple {6588#true} assume -2147483648 <= eval1_#t~ret8#1 && eval1_#t~ret8#1 <= 2147483647;eval1_~tmp___1~0#1 := eval1_#t~ret8#1;havoc eval1_#t~ret8#1; {6588#true} is VALID [2022-02-20 19:54:45,869 INFO L290 TraceCheckUtils]: 17: Hoare triple {6588#true} assume 0 != eval1_~tmp___1~0#1; {6588#true} is VALID [2022-02-20 19:54:45,869 INFO L290 TraceCheckUtils]: 18: Hoare triple {6588#true} assume 0 == ~p_dw_st~0;assume -2147483648 <= eval1_#t~nondet9#1 && eval1_#t~nondet9#1 <= 2147483647;eval1_~tmp~1#1 := eval1_#t~nondet9#1;havoc eval1_#t~nondet9#1; {6588#true} is VALID [2022-02-20 19:54:45,869 INFO L290 TraceCheckUtils]: 19: Hoare triple {6588#true} assume !(0 != eval1_~tmp~1#1); {6588#true} is VALID [2022-02-20 19:54:45,869 INFO L290 TraceCheckUtils]: 20: Hoare triple {6588#true} assume 0 == ~c_dr_st~0;assume -2147483648 <= eval1_#t~nondet10#1 && eval1_#t~nondet10#1 <= 2147483647;eval1_~tmp___0~1#1 := eval1_#t~nondet10#1;havoc eval1_#t~nondet10#1; {6588#true} is VALID [2022-02-20 19:54:45,869 INFO L290 TraceCheckUtils]: 21: Hoare triple {6588#true} assume 0 != eval1_~tmp___0~1#1;~c_dr_st~0 := 1;assume { :begin_inline_do_read_c } true;havoc do_read_c_~a~0#1;havoc do_read_c_~a~0#1; {6588#true} is VALID [2022-02-20 19:54:45,869 INFO L290 TraceCheckUtils]: 22: Hoare triple {6588#true} assume 0 == ~c_dr_pc~0; {6588#true} is VALID [2022-02-20 19:54:45,869 INFO L290 TraceCheckUtils]: 23: Hoare triple {6588#true} assume !false; {6588#true} is VALID [2022-02-20 19:54:45,870 INFO L290 TraceCheckUtils]: 24: Hoare triple {6588#true} assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 1;~a_t~0 := do_read_c_~a~0#1; {6595#(= ~c_dr_st~0 2)} is VALID [2022-02-20 19:54:45,870 INFO L290 TraceCheckUtils]: 25: Hoare triple {6595#(= ~c_dr_st~0 2)} assume { :end_inline_do_read_c } true; {6595#(= ~c_dr_st~0 2)} is VALID [2022-02-20 19:54:45,870 INFO L290 TraceCheckUtils]: 26: Hoare triple {6595#(= ~c_dr_st~0 2)} assume !false; {6595#(= ~c_dr_st~0 2)} is VALID [2022-02-20 19:54:45,871 INFO L272 TraceCheckUtils]: 27: Hoare triple {6595#(= ~c_dr_st~0 2)} call eval1_#t~ret8#1 := exists_runnable_thread1(); {6588#true} is VALID [2022-02-20 19:54:45,871 INFO L290 TraceCheckUtils]: 28: Hoare triple {6588#true} havoc ~__retres1~2; {6588#true} is VALID [2022-02-20 19:54:45,871 INFO L290 TraceCheckUtils]: 29: Hoare triple {6588#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {6588#true} is VALID [2022-02-20 19:54:45,871 INFO L290 TraceCheckUtils]: 30: Hoare triple {6588#true} #res := ~__retres1~2; {6588#true} is VALID [2022-02-20 19:54:45,871 INFO L290 TraceCheckUtils]: 31: Hoare triple {6588#true} assume true; {6588#true} is VALID [2022-02-20 19:54:45,871 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {6588#true} {6595#(= ~c_dr_st~0 2)} #731#return; {6595#(= ~c_dr_st~0 2)} is VALID [2022-02-20 19:54:45,872 INFO L290 TraceCheckUtils]: 33: Hoare triple {6595#(= ~c_dr_st~0 2)} assume -2147483648 <= eval1_#t~ret8#1 && eval1_#t~ret8#1 <= 2147483647;eval1_~tmp___1~0#1 := eval1_#t~ret8#1;havoc eval1_#t~ret8#1; {6595#(= ~c_dr_st~0 2)} is VALID [2022-02-20 19:54:45,872 INFO L290 TraceCheckUtils]: 34: Hoare triple {6595#(= ~c_dr_st~0 2)} assume 0 != eval1_~tmp___1~0#1; {6595#(= ~c_dr_st~0 2)} is VALID [2022-02-20 19:54:45,872 INFO L290 TraceCheckUtils]: 35: Hoare triple {6595#(= ~c_dr_st~0 2)} assume 0 == ~p_dw_st~0;assume -2147483648 <= eval1_#t~nondet9#1 && eval1_#t~nondet9#1 <= 2147483647;eval1_~tmp~1#1 := eval1_#t~nondet9#1;havoc eval1_#t~nondet9#1; {6595#(= ~c_dr_st~0 2)} is VALID [2022-02-20 19:54:45,872 INFO L290 TraceCheckUtils]: 36: Hoare triple {6595#(= ~c_dr_st~0 2)} assume !(0 != eval1_~tmp~1#1); {6595#(= ~c_dr_st~0 2)} is VALID [2022-02-20 19:54:45,873 INFO L290 TraceCheckUtils]: 37: Hoare triple {6595#(= ~c_dr_st~0 2)} assume 0 == ~c_dr_st~0;assume -2147483648 <= eval1_#t~nondet10#1 && eval1_#t~nondet10#1 <= 2147483647;eval1_~tmp___0~1#1 := eval1_#t~nondet10#1;havoc eval1_#t~nondet10#1; {6589#false} is VALID [2022-02-20 19:54:45,873 INFO L290 TraceCheckUtils]: 38: Hoare triple {6589#false} assume 0 != eval1_~tmp___0~1#1;~c_dr_st~0 := 1;assume { :begin_inline_do_read_c } true;havoc do_read_c_~a~0#1;havoc do_read_c_~a~0#1; {6589#false} is VALID [2022-02-20 19:54:45,873 INFO L290 TraceCheckUtils]: 39: Hoare triple {6589#false} assume !(0 == ~c_dr_pc~0); {6589#false} is VALID [2022-02-20 19:54:45,873 INFO L290 TraceCheckUtils]: 40: Hoare triple {6589#false} assume 1 == ~c_dr_pc~0; {6589#false} is VALID [2022-02-20 19:54:45,873 INFO L290 TraceCheckUtils]: 41: Hoare triple {6589#false} do_read_c_~a~0#1 := ~a_t~0; {6589#false} is VALID [2022-02-20 19:54:45,873 INFO L290 TraceCheckUtils]: 42: Hoare triple {6589#false} do_read_c_~a~0#1 := ~q_buf_0~0;~c_last_read~0 := do_read_c_~a~0#1;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_read_ev~0 := 1; {6589#false} is VALID [2022-02-20 19:54:45,873 INFO L272 TraceCheckUtils]: 43: Hoare triple {6589#false} call immediate_notify_threads(); {6615#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:54:45,873 INFO L290 TraceCheckUtils]: 44: Hoare triple {6615#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {6588#true} is VALID [2022-02-20 19:54:45,873 INFO L290 TraceCheckUtils]: 45: Hoare triple {6588#true} assume !(1 == ~p_dw_pc~0); {6588#true} is VALID [2022-02-20 19:54:45,873 INFO L290 TraceCheckUtils]: 46: Hoare triple {6588#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {6588#true} is VALID [2022-02-20 19:54:45,873 INFO L290 TraceCheckUtils]: 47: Hoare triple {6588#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {6588#true} is VALID [2022-02-20 19:54:45,874 INFO L290 TraceCheckUtils]: 48: Hoare triple {6588#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {6588#true} is VALID [2022-02-20 19:54:45,874 INFO L290 TraceCheckUtils]: 49: Hoare triple {6588#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {6588#true} is VALID [2022-02-20 19:54:45,874 INFO L290 TraceCheckUtils]: 50: Hoare triple {6588#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {6588#true} is VALID [2022-02-20 19:54:45,874 INFO L290 TraceCheckUtils]: 51: Hoare triple {6588#true} assume 1 == ~c_dr_pc~0; {6588#true} is VALID [2022-02-20 19:54:45,874 INFO L290 TraceCheckUtils]: 52: Hoare triple {6588#true} assume 1 == ~q_write_ev~0;is_do_read_c_triggered_~__retres1~1#1 := 1; {6588#true} is VALID [2022-02-20 19:54:45,874 INFO L290 TraceCheckUtils]: 53: Hoare triple {6588#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {6588#true} is VALID [2022-02-20 19:54:45,874 INFO L290 TraceCheckUtils]: 54: Hoare triple {6588#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {6588#true} is VALID [2022-02-20 19:54:45,874 INFO L290 TraceCheckUtils]: 55: Hoare triple {6588#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {6588#true} is VALID [2022-02-20 19:54:45,874 INFO L290 TraceCheckUtils]: 56: Hoare triple {6588#true} assume true; {6588#true} is VALID [2022-02-20 19:54:45,874 INFO L284 TraceCheckUtils]: 57: Hoare quadruple {6588#true} {6589#false} #735#return; {6589#false} is VALID [2022-02-20 19:54:45,874 INFO L290 TraceCheckUtils]: 58: Hoare triple {6589#false} ~q_read_ev~0 := 2; {6589#false} is VALID [2022-02-20 19:54:45,874 INFO L290 TraceCheckUtils]: 59: Hoare triple {6589#false} assume !(~p_last_write~0 == ~c_last_read~0); {6589#false} is VALID [2022-02-20 19:54:45,874 INFO L272 TraceCheckUtils]: 60: Hoare triple {6589#false} call error1(); {6589#false} is VALID [2022-02-20 19:54:45,874 INFO L290 TraceCheckUtils]: 61: Hoare triple {6589#false} assume !false; {6589#false} is VALID [2022-02-20 19:54:45,875 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-20 19:54:45,875 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:54:45,875 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241599506] [2022-02-20 19:54:45,875 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241599506] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:54:45,875 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 19:54:45,875 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 19:54:45,875 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589659893] [2022-02-20 19:54:45,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:54:45,876 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 62 [2022-02-20 19:54:45,876 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:54:45,876 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 19:54:45,903 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:54:45,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 19:54:45,903 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:54:45,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 19:54:45,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 19:54:45,903 INFO L87 Difference]: Start difference. First operand 497 states and 689 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 19:54:46,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:46,447 INFO L93 Difference]: Finished difference Result 1081 states and 1474 transitions. [2022-02-20 19:54:46,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 19:54:46,447 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 62 [2022-02-20 19:54:46,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:54:46,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 19:54:46,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 467 transitions. [2022-02-20 19:54:46,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 19:54:46,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 467 transitions. [2022-02-20 19:54:46,453 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 467 transitions. [2022-02-20 19:54:46,743 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 467 edges. 467 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:54:46,767 INFO L225 Difference]: With dead ends: 1081 [2022-02-20 19:54:46,767 INFO L226 Difference]: Without dead ends: 725 [2022-02-20 19:54:46,768 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 19:54:46,769 INFO L933 BasicCegarLoop]: 360 mSDtfsCounter, 153 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 19:54:46,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 735 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 19:54:46,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2022-02-20 19:54:46,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 687. [2022-02-20 19:54:46,783 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:54:46,784 INFO L82 GeneralOperation]: Start isEquivalent. First operand 725 states. Second operand has 687 states, 597 states have (on average 1.3350083752093802) internal successors, (797), 607 states have internal predecessors, (797), 56 states have call successors, (56), 30 states have call predecessors, (56), 32 states have return successors, (74), 50 states have call predecessors, (74), 52 states have call successors, (74) [2022-02-20 19:54:46,785 INFO L74 IsIncluded]: Start isIncluded. First operand 725 states. Second operand has 687 states, 597 states have (on average 1.3350083752093802) internal successors, (797), 607 states have internal predecessors, (797), 56 states have call successors, (56), 30 states have call predecessors, (56), 32 states have return successors, (74), 50 states have call predecessors, (74), 52 states have call successors, (74) [2022-02-20 19:54:46,786 INFO L87 Difference]: Start difference. First operand 725 states. Second operand has 687 states, 597 states have (on average 1.3350083752093802) internal successors, (797), 607 states have internal predecessors, (797), 56 states have call successors, (56), 30 states have call predecessors, (56), 32 states have return successors, (74), 50 states have call predecessors, (74), 52 states have call successors, (74) [2022-02-20 19:54:46,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:46,806 INFO L93 Difference]: Finished difference Result 725 states and 973 transitions. [2022-02-20 19:54:46,806 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 973 transitions. [2022-02-20 19:54:46,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:46,807 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:46,808 INFO L74 IsIncluded]: Start isIncluded. First operand has 687 states, 597 states have (on average 1.3350083752093802) internal successors, (797), 607 states have internal predecessors, (797), 56 states have call successors, (56), 30 states have call predecessors, (56), 32 states have return successors, (74), 50 states have call predecessors, (74), 52 states have call successors, (74) Second operand 725 states. [2022-02-20 19:54:46,809 INFO L87 Difference]: Start difference. First operand has 687 states, 597 states have (on average 1.3350083752093802) internal successors, (797), 607 states have internal predecessors, (797), 56 states have call successors, (56), 30 states have call predecessors, (56), 32 states have return successors, (74), 50 states have call predecessors, (74), 52 states have call successors, (74) Second operand 725 states. [2022-02-20 19:54:46,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:46,829 INFO L93 Difference]: Finished difference Result 725 states and 973 transitions. [2022-02-20 19:54:46,829 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 973 transitions. [2022-02-20 19:54:46,830 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:46,830 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:46,830 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:54:46,830 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:54:46,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 597 states have (on average 1.3350083752093802) internal successors, (797), 607 states have internal predecessors, (797), 56 states have call successors, (56), 30 states have call predecessors, (56), 32 states have return successors, (74), 50 states have call predecessors, (74), 52 states have call successors, (74) [2022-02-20 19:54:46,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 927 transitions. [2022-02-20 19:54:46,853 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 927 transitions. Word has length 62 [2022-02-20 19:54:46,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:54:46,853 INFO L470 AbstractCegarLoop]: Abstraction has 687 states and 927 transitions. [2022-02-20 19:54:46,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 19:54:46,853 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 927 transitions. [2022-02-20 19:54:46,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-02-20 19:54:46,854 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:54:46,854 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-02-20 19:54:46,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 19:54:46,855 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [error1Err0ASSERT_VIOLATIONERROR_FUNCTION, error2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:54:46,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:54:46,855 INFO L85 PathProgramCache]: Analyzing trace with hash -80982464, now seen corresponding path program 1 times [2022-02-20 19:54:46,855 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:54:46,855 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100364329] [2022-02-20 19:54:46,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:54:46,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:54:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:46,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 19:54:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:46,906 INFO L290 TraceCheckUtils]: 0: Hoare triple {10508#true} havoc ~__retres1~2; {10508#true} is VALID [2022-02-20 19:54:46,906 INFO L290 TraceCheckUtils]: 1: Hoare triple {10508#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {10508#true} is VALID [2022-02-20 19:54:46,906 INFO L290 TraceCheckUtils]: 2: Hoare triple {10508#true} #res := ~__retres1~2; {10508#true} is VALID [2022-02-20 19:54:46,907 INFO L290 TraceCheckUtils]: 3: Hoare triple {10508#true} assume true; {10508#true} is VALID [2022-02-20 19:54:46,907 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {10508#true} {10510#(= ~p_dw_pc~0 0)} #731#return; {10510#(= ~p_dw_pc~0 0)} is VALID [2022-02-20 19:54:46,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-02-20 19:54:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:46,921 INFO L290 TraceCheckUtils]: 0: Hoare triple {10544#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {10508#true} is VALID [2022-02-20 19:54:46,922 INFO L290 TraceCheckUtils]: 1: Hoare triple {10508#true} assume !(1 == ~p_dw_pc~0); {10508#true} is VALID [2022-02-20 19:54:46,922 INFO L290 TraceCheckUtils]: 2: Hoare triple {10508#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {10508#true} is VALID [2022-02-20 19:54:46,922 INFO L290 TraceCheckUtils]: 3: Hoare triple {10508#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {10508#true} is VALID [2022-02-20 19:54:46,922 INFO L290 TraceCheckUtils]: 4: Hoare triple {10508#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {10508#true} is VALID [2022-02-20 19:54:46,922 INFO L290 TraceCheckUtils]: 5: Hoare triple {10508#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {10508#true} is VALID [2022-02-20 19:54:46,922 INFO L290 TraceCheckUtils]: 6: Hoare triple {10508#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {10508#true} is VALID [2022-02-20 19:54:46,923 INFO L290 TraceCheckUtils]: 7: Hoare triple {10508#true} assume !(1 == ~c_dr_pc~0); {10508#true} is VALID [2022-02-20 19:54:46,923 INFO L290 TraceCheckUtils]: 8: Hoare triple {10508#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {10508#true} is VALID [2022-02-20 19:54:46,923 INFO L290 TraceCheckUtils]: 9: Hoare triple {10508#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {10508#true} is VALID [2022-02-20 19:54:46,923 INFO L290 TraceCheckUtils]: 10: Hoare triple {10508#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {10508#true} is VALID [2022-02-20 19:54:46,923 INFO L290 TraceCheckUtils]: 11: Hoare triple {10508#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {10508#true} is VALID [2022-02-20 19:54:46,923 INFO L290 TraceCheckUtils]: 12: Hoare triple {10508#true} assume true; {10508#true} is VALID [2022-02-20 19:54:46,923 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {10508#true} {10509#false} #733#return; {10509#false} is VALID [2022-02-20 19:54:46,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-02-20 19:54:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:46,931 INFO L290 TraceCheckUtils]: 0: Hoare triple {10544#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {10508#true} is VALID [2022-02-20 19:54:46,931 INFO L290 TraceCheckUtils]: 1: Hoare triple {10508#true} assume !(1 == ~p_dw_pc~0); {10508#true} is VALID [2022-02-20 19:54:46,931 INFO L290 TraceCheckUtils]: 2: Hoare triple {10508#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {10508#true} is VALID [2022-02-20 19:54:46,931 INFO L290 TraceCheckUtils]: 3: Hoare triple {10508#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {10508#true} is VALID [2022-02-20 19:54:46,932 INFO L290 TraceCheckUtils]: 4: Hoare triple {10508#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {10508#true} is VALID [2022-02-20 19:54:46,932 INFO L290 TraceCheckUtils]: 5: Hoare triple {10508#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {10508#true} is VALID [2022-02-20 19:54:46,932 INFO L290 TraceCheckUtils]: 6: Hoare triple {10508#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {10508#true} is VALID [2022-02-20 19:54:46,932 INFO L290 TraceCheckUtils]: 7: Hoare triple {10508#true} assume !(1 == ~c_dr_pc~0); {10508#true} is VALID [2022-02-20 19:54:46,933 INFO L290 TraceCheckUtils]: 8: Hoare triple {10508#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {10508#true} is VALID [2022-02-20 19:54:46,933 INFO L290 TraceCheckUtils]: 9: Hoare triple {10508#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {10508#true} is VALID [2022-02-20 19:54:46,933 INFO L290 TraceCheckUtils]: 10: Hoare triple {10508#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {10508#true} is VALID [2022-02-20 19:54:46,933 INFO L290 TraceCheckUtils]: 11: Hoare triple {10508#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {10508#true} is VALID [2022-02-20 19:54:46,934 INFO L290 TraceCheckUtils]: 12: Hoare triple {10508#true} assume true; {10508#true} is VALID [2022-02-20 19:54:46,934 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {10508#true} {10509#false} #735#return; {10509#false} is VALID [2022-02-20 19:54:46,934 INFO L290 TraceCheckUtils]: 0: Hoare triple {10508#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~token~0 := 0;~local~0 := 0; {10508#true} is VALID [2022-02-20 19:54:46,935 INFO L290 TraceCheckUtils]: 1: Hoare triple {10508#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1;assume -2147483648 <= main_#t~nondet29#1 && main_#t~nondet29#1 <= 2147483647; {10508#true} is VALID [2022-02-20 19:54:46,935 INFO L290 TraceCheckUtils]: 2: Hoare triple {10508#true} assume 0 != main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_main1 } true;havoc main1_#res#1;havoc main1_~__retres1~3#1;havoc main1_~__retres1~3#1;assume { :begin_inline_init_model1 } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {10510#(= ~p_dw_pc~0 0)} is VALID [2022-02-20 19:54:46,935 INFO L290 TraceCheckUtils]: 3: Hoare triple {10510#(= ~p_dw_pc~0 0)} assume { :end_inline_init_model1 } true;assume { :begin_inline_start_simulation1 } true;havoc start_simulation1_#t~ret12#1, start_simulation1_~kernel_st~0#1, start_simulation1_~tmp~3#1;havoc start_simulation1_~kernel_st~0#1;havoc start_simulation1_~tmp~3#1;start_simulation1_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads1 } true; {10510#(= ~p_dw_pc~0 0)} is VALID [2022-02-20 19:54:46,936 INFO L290 TraceCheckUtils]: 4: Hoare triple {10510#(= ~p_dw_pc~0 0)} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {10510#(= ~p_dw_pc~0 0)} is VALID [2022-02-20 19:54:46,936 INFO L290 TraceCheckUtils]: 5: Hoare triple {10510#(= ~p_dw_pc~0 0)} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {10510#(= ~p_dw_pc~0 0)} is VALID [2022-02-20 19:54:46,936 INFO L290 TraceCheckUtils]: 6: Hoare triple {10510#(= ~p_dw_pc~0 0)} assume { :end_inline_init_threads1 } true; {10510#(= ~p_dw_pc~0 0)} is VALID [2022-02-20 19:54:46,936 INFO L290 TraceCheckUtils]: 7: Hoare triple {10510#(= ~p_dw_pc~0 0)} assume !false; {10510#(= ~p_dw_pc~0 0)} is VALID [2022-02-20 19:54:46,937 INFO L290 TraceCheckUtils]: 8: Hoare triple {10510#(= ~p_dw_pc~0 0)} start_simulation1_~kernel_st~0#1 := 1;assume { :begin_inline_eval1 } true;havoc eval1_#t~ret8#1, eval1_#t~nondet9#1, eval1_#t~nondet10#1, eval1_~tmp~1#1, eval1_~tmp___0~1#1, eval1_~tmp___1~0#1;havoc eval1_~tmp~1#1;havoc eval1_~tmp___0~1#1;havoc eval1_~tmp___1~0#1; {10510#(= ~p_dw_pc~0 0)} is VALID [2022-02-20 19:54:46,937 INFO L290 TraceCheckUtils]: 9: Hoare triple {10510#(= ~p_dw_pc~0 0)} assume !false; {10510#(= ~p_dw_pc~0 0)} is VALID [2022-02-20 19:54:46,937 INFO L272 TraceCheckUtils]: 10: Hoare triple {10510#(= ~p_dw_pc~0 0)} call eval1_#t~ret8#1 := exists_runnable_thread1(); {10508#true} is VALID [2022-02-20 19:54:46,937 INFO L290 TraceCheckUtils]: 11: Hoare triple {10508#true} havoc ~__retres1~2; {10508#true} is VALID [2022-02-20 19:54:46,937 INFO L290 TraceCheckUtils]: 12: Hoare triple {10508#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {10508#true} is VALID [2022-02-20 19:54:46,937 INFO L290 TraceCheckUtils]: 13: Hoare triple {10508#true} #res := ~__retres1~2; {10508#true} is VALID [2022-02-20 19:54:46,938 INFO L290 TraceCheckUtils]: 14: Hoare triple {10508#true} assume true; {10508#true} is VALID [2022-02-20 19:54:46,938 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {10508#true} {10510#(= ~p_dw_pc~0 0)} #731#return; {10510#(= ~p_dw_pc~0 0)} is VALID [2022-02-20 19:54:46,938 INFO L290 TraceCheckUtils]: 16: Hoare triple {10510#(= ~p_dw_pc~0 0)} assume -2147483648 <= eval1_#t~ret8#1 && eval1_#t~ret8#1 <= 2147483647;eval1_~tmp___1~0#1 := eval1_#t~ret8#1;havoc eval1_#t~ret8#1; {10510#(= ~p_dw_pc~0 0)} is VALID [2022-02-20 19:54:46,939 INFO L290 TraceCheckUtils]: 17: Hoare triple {10510#(= ~p_dw_pc~0 0)} assume 0 != eval1_~tmp___1~0#1; {10510#(= ~p_dw_pc~0 0)} is VALID [2022-02-20 19:54:46,939 INFO L290 TraceCheckUtils]: 18: Hoare triple {10510#(= ~p_dw_pc~0 0)} assume 0 == ~p_dw_st~0;assume -2147483648 <= eval1_#t~nondet9#1 && eval1_#t~nondet9#1 <= 2147483647;eval1_~tmp~1#1 := eval1_#t~nondet9#1;havoc eval1_#t~nondet9#1; {10510#(= ~p_dw_pc~0 0)} is VALID [2022-02-20 19:54:46,939 INFO L290 TraceCheckUtils]: 19: Hoare triple {10510#(= ~p_dw_pc~0 0)} assume 0 != eval1_~tmp~1#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet7#1; {10510#(= ~p_dw_pc~0 0)} is VALID [2022-02-20 19:54:46,939 INFO L290 TraceCheckUtils]: 20: Hoare triple {10510#(= ~p_dw_pc~0 0)} assume !(0 == ~p_dw_pc~0); {10509#false} is VALID [2022-02-20 19:54:46,940 INFO L290 TraceCheckUtils]: 21: Hoare triple {10509#false} assume 1 == ~p_dw_pc~0; {10509#false} is VALID [2022-02-20 19:54:46,943 INFO L290 TraceCheckUtils]: 22: Hoare triple {10509#false} assume -2147483648 <= do_write_p_#t~nondet7#1 && do_write_p_#t~nondet7#1 <= 2147483647;~q_buf_0~0 := do_write_p_#t~nondet7#1;havoc do_write_p_#t~nondet7#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1; {10509#false} is VALID [2022-02-20 19:54:46,943 INFO L272 TraceCheckUtils]: 23: Hoare triple {10509#false} call immediate_notify_threads(); {10544#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:54:46,943 INFO L290 TraceCheckUtils]: 24: Hoare triple {10544#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {10508#true} is VALID [2022-02-20 19:54:46,943 INFO L290 TraceCheckUtils]: 25: Hoare triple {10508#true} assume !(1 == ~p_dw_pc~0); {10508#true} is VALID [2022-02-20 19:54:46,944 INFO L290 TraceCheckUtils]: 26: Hoare triple {10508#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {10508#true} is VALID [2022-02-20 19:54:46,944 INFO L290 TraceCheckUtils]: 27: Hoare triple {10508#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {10508#true} is VALID [2022-02-20 19:54:46,944 INFO L290 TraceCheckUtils]: 28: Hoare triple {10508#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {10508#true} is VALID [2022-02-20 19:54:46,944 INFO L290 TraceCheckUtils]: 29: Hoare triple {10508#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {10508#true} is VALID [2022-02-20 19:54:46,944 INFO L290 TraceCheckUtils]: 30: Hoare triple {10508#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {10508#true} is VALID [2022-02-20 19:54:46,944 INFO L290 TraceCheckUtils]: 31: Hoare triple {10508#true} assume !(1 == ~c_dr_pc~0); {10508#true} is VALID [2022-02-20 19:54:46,944 INFO L290 TraceCheckUtils]: 32: Hoare triple {10508#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {10508#true} is VALID [2022-02-20 19:54:46,944 INFO L290 TraceCheckUtils]: 33: Hoare triple {10508#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {10508#true} is VALID [2022-02-20 19:54:46,945 INFO L290 TraceCheckUtils]: 34: Hoare triple {10508#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {10508#true} is VALID [2022-02-20 19:54:46,945 INFO L290 TraceCheckUtils]: 35: Hoare triple {10508#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {10508#true} is VALID [2022-02-20 19:54:46,945 INFO L290 TraceCheckUtils]: 36: Hoare triple {10508#true} assume true; {10508#true} is VALID [2022-02-20 19:54:46,945 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {10508#true} {10509#false} #733#return; {10509#false} is VALID [2022-02-20 19:54:46,945 INFO L290 TraceCheckUtils]: 38: Hoare triple {10509#false} ~q_write_ev~0 := 2; {10509#false} is VALID [2022-02-20 19:54:46,945 INFO L290 TraceCheckUtils]: 39: Hoare triple {10509#false} assume !false; {10509#false} is VALID [2022-02-20 19:54:46,945 INFO L290 TraceCheckUtils]: 40: Hoare triple {10509#false} assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; {10509#false} is VALID [2022-02-20 19:54:46,945 INFO L290 TraceCheckUtils]: 41: Hoare triple {10509#false} assume { :end_inline_do_write_p } true; {10509#false} is VALID [2022-02-20 19:54:46,946 INFO L290 TraceCheckUtils]: 42: Hoare triple {10509#false} assume 0 == ~c_dr_st~0;assume -2147483648 <= eval1_#t~nondet10#1 && eval1_#t~nondet10#1 <= 2147483647;eval1_~tmp___0~1#1 := eval1_#t~nondet10#1;havoc eval1_#t~nondet10#1; {10509#false} is VALID [2022-02-20 19:54:46,946 INFO L290 TraceCheckUtils]: 43: Hoare triple {10509#false} assume 0 != eval1_~tmp___0~1#1;~c_dr_st~0 := 1;assume { :begin_inline_do_read_c } true;havoc do_read_c_~a~0#1;havoc do_read_c_~a~0#1; {10509#false} is VALID [2022-02-20 19:54:46,946 INFO L290 TraceCheckUtils]: 44: Hoare triple {10509#false} assume 0 == ~c_dr_pc~0; {10509#false} is VALID [2022-02-20 19:54:46,946 INFO L290 TraceCheckUtils]: 45: Hoare triple {10509#false} assume !false; {10509#false} is VALID [2022-02-20 19:54:46,946 INFO L290 TraceCheckUtils]: 46: Hoare triple {10509#false} assume !(1 == ~q_free~0); {10509#false} is VALID [2022-02-20 19:54:46,946 INFO L290 TraceCheckUtils]: 47: Hoare triple {10509#false} do_read_c_~a~0#1 := ~q_buf_0~0;~c_last_read~0 := do_read_c_~a~0#1;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_read_ev~0 := 1; {10509#false} is VALID [2022-02-20 19:54:46,946 INFO L272 TraceCheckUtils]: 48: Hoare triple {10509#false} call immediate_notify_threads(); {10544#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:54:46,946 INFO L290 TraceCheckUtils]: 49: Hoare triple {10544#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {10508#true} is VALID [2022-02-20 19:54:46,947 INFO L290 TraceCheckUtils]: 50: Hoare triple {10508#true} assume !(1 == ~p_dw_pc~0); {10508#true} is VALID [2022-02-20 19:54:46,947 INFO L290 TraceCheckUtils]: 51: Hoare triple {10508#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {10508#true} is VALID [2022-02-20 19:54:46,947 INFO L290 TraceCheckUtils]: 52: Hoare triple {10508#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {10508#true} is VALID [2022-02-20 19:54:46,947 INFO L290 TraceCheckUtils]: 53: Hoare triple {10508#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {10508#true} is VALID [2022-02-20 19:54:46,947 INFO L290 TraceCheckUtils]: 54: Hoare triple {10508#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {10508#true} is VALID [2022-02-20 19:54:46,947 INFO L290 TraceCheckUtils]: 55: Hoare triple {10508#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {10508#true} is VALID [2022-02-20 19:54:46,947 INFO L290 TraceCheckUtils]: 56: Hoare triple {10508#true} assume !(1 == ~c_dr_pc~0); {10508#true} is VALID [2022-02-20 19:54:46,947 INFO L290 TraceCheckUtils]: 57: Hoare triple {10508#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {10508#true} is VALID [2022-02-20 19:54:46,948 INFO L290 TraceCheckUtils]: 58: Hoare triple {10508#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {10508#true} is VALID [2022-02-20 19:54:46,948 INFO L290 TraceCheckUtils]: 59: Hoare triple {10508#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {10508#true} is VALID [2022-02-20 19:54:46,951 INFO L290 TraceCheckUtils]: 60: Hoare triple {10508#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {10508#true} is VALID [2022-02-20 19:54:46,952 INFO L290 TraceCheckUtils]: 61: Hoare triple {10508#true} assume true; {10508#true} is VALID [2022-02-20 19:54:46,952 INFO L284 TraceCheckUtils]: 62: Hoare quadruple {10508#true} {10509#false} #735#return; {10509#false} is VALID [2022-02-20 19:54:46,953 INFO L290 TraceCheckUtils]: 63: Hoare triple {10509#false} ~q_read_ev~0 := 2; {10509#false} is VALID [2022-02-20 19:54:46,955 INFO L290 TraceCheckUtils]: 64: Hoare triple {10509#false} assume !(~p_last_write~0 == ~c_last_read~0); {10509#false} is VALID [2022-02-20 19:54:46,956 INFO L272 TraceCheckUtils]: 65: Hoare triple {10509#false} call error1(); {10509#false} is VALID [2022-02-20 19:54:46,956 INFO L290 TraceCheckUtils]: 66: Hoare triple {10509#false} assume !false; {10509#false} is VALID [2022-02-20 19:54:46,957 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-02-20 19:54:46,957 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:54:46,957 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100364329] [2022-02-20 19:54:46,957 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100364329] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:54:46,958 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 19:54:46,958 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 19:54:46,958 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915052640] [2022-02-20 19:54:46,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:54:46,960 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 67 [2022-02-20 19:54:46,960 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:54:46,961 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 19:54:46,989 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:54:46,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 19:54:46,989 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:54:46,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 19:54:46,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 19:54:46,990 INFO L87 Difference]: Start difference. First operand 687 states and 927 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 19:54:47,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:47,445 INFO L93 Difference]: Finished difference Result 1340 states and 1780 transitions. [2022-02-20 19:54:47,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 19:54:47,446 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 67 [2022-02-20 19:54:47,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:54:47,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 19:54:47,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 465 transitions. [2022-02-20 19:54:47,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 19:54:47,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 465 transitions. [2022-02-20 19:54:47,451 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 465 transitions. [2022-02-20 19:54:47,718 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 465 edges. 465 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:54:47,755 INFO L225 Difference]: With dead ends: 1340 [2022-02-20 19:54:47,756 INFO L226 Difference]: Without dead ends: 886 [2022-02-20 19:54:47,756 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 19:54:47,757 INFO L933 BasicCegarLoop]: 306 mSDtfsCounter, 353 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 19:54:47,757 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [369 Valid, 540 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 19:54:47,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2022-02-20 19:54:47,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 831. [2022-02-20 19:54:47,774 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:54:47,775 INFO L82 GeneralOperation]: Start isEquivalent. First operand 886 states. Second operand has 831 states, 725 states have (on average 1.3075862068965518) internal successors, (948), 737 states have internal predecessors, (948), 64 states have call successors, (64), 36 states have call predecessors, (64), 40 states have return successors, (88), 58 states have call predecessors, (88), 60 states have call successors, (88) [2022-02-20 19:54:47,776 INFO L74 IsIncluded]: Start isIncluded. First operand 886 states. Second operand has 831 states, 725 states have (on average 1.3075862068965518) internal successors, (948), 737 states have internal predecessors, (948), 64 states have call successors, (64), 36 states have call predecessors, (64), 40 states have return successors, (88), 58 states have call predecessors, (88), 60 states have call successors, (88) [2022-02-20 19:54:47,778 INFO L87 Difference]: Start difference. First operand 886 states. Second operand has 831 states, 725 states have (on average 1.3075862068965518) internal successors, (948), 737 states have internal predecessors, (948), 64 states have call successors, (64), 36 states have call predecessors, (64), 40 states have return successors, (88), 58 states have call predecessors, (88), 60 states have call successors, (88) [2022-02-20 19:54:47,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:47,806 INFO L93 Difference]: Finished difference Result 886 states and 1167 transitions. [2022-02-20 19:54:47,806 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1167 transitions. [2022-02-20 19:54:47,808 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:47,808 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:47,809 INFO L74 IsIncluded]: Start isIncluded. First operand has 831 states, 725 states have (on average 1.3075862068965518) internal successors, (948), 737 states have internal predecessors, (948), 64 states have call successors, (64), 36 states have call predecessors, (64), 40 states have return successors, (88), 58 states have call predecessors, (88), 60 states have call successors, (88) Second operand 886 states. [2022-02-20 19:54:47,810 INFO L87 Difference]: Start difference. First operand has 831 states, 725 states have (on average 1.3075862068965518) internal successors, (948), 737 states have internal predecessors, (948), 64 states have call successors, (64), 36 states have call predecessors, (64), 40 states have return successors, (88), 58 states have call predecessors, (88), 60 states have call successors, (88) Second operand 886 states. [2022-02-20 19:54:47,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:47,839 INFO L93 Difference]: Finished difference Result 886 states and 1167 transitions. [2022-02-20 19:54:47,839 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1167 transitions. [2022-02-20 19:54:47,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:47,854 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:47,854 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:54:47,854 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:54:47,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 831 states, 725 states have (on average 1.3075862068965518) internal successors, (948), 737 states have internal predecessors, (948), 64 states have call successors, (64), 36 states have call predecessors, (64), 40 states have return successors, (88), 58 states have call predecessors, (88), 60 states have call successors, (88) [2022-02-20 19:54:47,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1100 transitions. [2022-02-20 19:54:47,892 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1100 transitions. Word has length 67 [2022-02-20 19:54:47,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:54:47,892 INFO L470 AbstractCegarLoop]: Abstraction has 831 states and 1100 transitions. [2022-02-20 19:54:47,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 19:54:47,892 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1100 transitions. [2022-02-20 19:54:47,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-02-20 19:54:47,894 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:54:47,894 INFO L514 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] [2022-02-20 19:54:47,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 19:54:47,894 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting error2Err0ASSERT_VIOLATIONERROR_FUNCTION === [error1Err0ASSERT_VIOLATIONERROR_FUNCTION, error2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:54:47,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:54:47,895 INFO L85 PathProgramCache]: Analyzing trace with hash -294715005, now seen corresponding path program 1 times [2022-02-20 19:54:47,895 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:54:47,895 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906088450] [2022-02-20 19:54:47,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:54:47,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:54:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:47,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-02-20 19:54:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:47,920 INFO L290 TraceCheckUtils]: 0: Hoare triple {15325#true} assume true; {15325#true} is VALID [2022-02-20 19:54:47,920 INFO L284 TraceCheckUtils]: 1: Hoare quadruple {15325#true} {15327#(= ~M_E~0 2)} #743#return; {15327#(= ~M_E~0 2)} is VALID [2022-02-20 19:54:47,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-20 19:54:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:47,940 INFO L290 TraceCheckUtils]: 0: Hoare triple {15371#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume 0 == ~M_E~0;~M_E~0 := 1; {15372#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:54:47,942 INFO L290 TraceCheckUtils]: 1: Hoare triple {15372#(= |old(~M_E~0)| 0)} assume 0 == ~T1_E~0;~T1_E~0 := 1; {15372#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:54:47,942 INFO L290 TraceCheckUtils]: 2: Hoare triple {15372#(= |old(~M_E~0)| 0)} assume 0 == ~T2_E~0;~T2_E~0 := 1; {15372#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:54:47,945 INFO L290 TraceCheckUtils]: 3: Hoare triple {15372#(= |old(~M_E~0)| 0)} assume 0 == ~E_M~0;~E_M~0 := 1; {15372#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:54:47,947 INFO L290 TraceCheckUtils]: 4: Hoare triple {15372#(= |old(~M_E~0)| 0)} assume 0 == ~E_1~0;~E_1~0 := 1; {15372#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:54:47,947 INFO L290 TraceCheckUtils]: 5: Hoare triple {15372#(= |old(~M_E~0)| 0)} assume 0 == ~E_2~0;~E_2~0 := 1; {15372#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:54:47,948 INFO L290 TraceCheckUtils]: 6: Hoare triple {15372#(= |old(~M_E~0)| 0)} assume true; {15372#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:54:47,948 INFO L284 TraceCheckUtils]: 7: Hoare quadruple {15372#(= |old(~M_E~0)| 0)} {15327#(= ~M_E~0 2)} #745#return; {15326#false} is VALID [2022-02-20 19:54:47,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-02-20 19:54:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:47,962 INFO L290 TraceCheckUtils]: 0: Hoare triple {15373#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~4#1;havoc is_master_triggered_~__retres1~4#1; {15325#true} is VALID [2022-02-20 19:54:47,962 INFO L290 TraceCheckUtils]: 1: Hoare triple {15325#true} assume 1 == ~m_pc~0; {15325#true} is VALID [2022-02-20 19:54:47,962 INFO L290 TraceCheckUtils]: 2: Hoare triple {15325#true} assume 1 == ~E_M~0;is_master_triggered_~__retres1~4#1 := 1; {15325#true} is VALID [2022-02-20 19:54:47,962 INFO L290 TraceCheckUtils]: 3: Hoare triple {15325#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {15325#true} is VALID [2022-02-20 19:54:47,963 INFO L290 TraceCheckUtils]: 4: Hoare triple {15325#true} #t~ret23#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret23#1 && #t~ret23#1 <= 2147483647;~tmp~5#1 := #t~ret23#1;havoc #t~ret23#1; {15325#true} is VALID [2022-02-20 19:54:47,963 INFO L290 TraceCheckUtils]: 5: Hoare triple {15325#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {15325#true} is VALID [2022-02-20 19:54:47,963 INFO L290 TraceCheckUtils]: 6: Hoare triple {15325#true} assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~5#1;havoc is_transmit1_triggered_~__retres1~5#1; {15325#true} is VALID [2022-02-20 19:54:47,963 INFO L290 TraceCheckUtils]: 7: Hoare triple {15325#true} assume !(1 == ~t1_pc~0); {15325#true} is VALID [2022-02-20 19:54:47,963 INFO L290 TraceCheckUtils]: 8: Hoare triple {15325#true} is_transmit1_triggered_~__retres1~5#1 := 0; {15325#true} is VALID [2022-02-20 19:54:47,963 INFO L290 TraceCheckUtils]: 9: Hoare triple {15325#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {15325#true} is VALID [2022-02-20 19:54:47,963 INFO L290 TraceCheckUtils]: 10: Hoare triple {15325#true} #t~ret24#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp___0~2#1 := #t~ret24#1;havoc #t~ret24#1; {15325#true} is VALID [2022-02-20 19:54:47,964 INFO L290 TraceCheckUtils]: 11: Hoare triple {15325#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {15325#true} is VALID [2022-02-20 19:54:47,964 INFO L290 TraceCheckUtils]: 12: Hoare triple {15325#true} assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~6#1;havoc is_transmit2_triggered_~__retres1~6#1; {15325#true} is VALID [2022-02-20 19:54:47,964 INFO L290 TraceCheckUtils]: 13: Hoare triple {15325#true} assume 1 == ~t2_pc~0; {15325#true} is VALID [2022-02-20 19:54:47,964 INFO L290 TraceCheckUtils]: 14: Hoare triple {15325#true} assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~6#1 := 1; {15325#true} is VALID [2022-02-20 19:54:47,964 INFO L290 TraceCheckUtils]: 15: Hoare triple {15325#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {15325#true} is VALID [2022-02-20 19:54:47,964 INFO L290 TraceCheckUtils]: 16: Hoare triple {15325#true} #t~ret25#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___1~1#1 := #t~ret25#1;havoc #t~ret25#1; {15325#true} is VALID [2022-02-20 19:54:47,964 INFO L290 TraceCheckUtils]: 17: Hoare triple {15325#true} assume 0 != ~tmp___1~1#1;~t2_st~0 := 0; {15325#true} is VALID [2022-02-20 19:54:47,965 INFO L290 TraceCheckUtils]: 18: Hoare triple {15325#true} assume true; {15325#true} is VALID [2022-02-20 19:54:47,965 INFO L284 TraceCheckUtils]: 19: Hoare quadruple {15325#true} {15326#false} #747#return; {15326#false} is VALID [2022-02-20 19:54:47,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-02-20 19:54:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:47,969 INFO L290 TraceCheckUtils]: 0: Hoare triple {15371#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume 1 == ~M_E~0;~M_E~0 := 2; {15325#true} is VALID [2022-02-20 19:54:47,969 INFO L290 TraceCheckUtils]: 1: Hoare triple {15325#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {15325#true} is VALID [2022-02-20 19:54:47,969 INFO L290 TraceCheckUtils]: 2: Hoare triple {15325#true} assume !(1 == ~T2_E~0); {15325#true} is VALID [2022-02-20 19:54:47,969 INFO L290 TraceCheckUtils]: 3: Hoare triple {15325#true} assume 1 == ~E_M~0;~E_M~0 := 2; {15325#true} is VALID [2022-02-20 19:54:47,969 INFO L290 TraceCheckUtils]: 4: Hoare triple {15325#true} assume 1 == ~E_1~0;~E_1~0 := 2; {15325#true} is VALID [2022-02-20 19:54:47,970 INFO L290 TraceCheckUtils]: 5: Hoare triple {15325#true} assume 1 == ~E_2~0;~E_2~0 := 2; {15325#true} is VALID [2022-02-20 19:54:47,970 INFO L290 TraceCheckUtils]: 6: Hoare triple {15325#true} assume true; {15325#true} is VALID [2022-02-20 19:54:47,970 INFO L284 TraceCheckUtils]: 7: Hoare quadruple {15325#true} {15326#false} #749#return; {15326#false} is VALID [2022-02-20 19:54:47,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-02-20 19:54:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:47,972 INFO L290 TraceCheckUtils]: 0: Hoare triple {15325#true} havoc ~__retres1~7; {15325#true} is VALID [2022-02-20 19:54:47,973 INFO L290 TraceCheckUtils]: 1: Hoare triple {15325#true} assume 0 == ~m_st~0;~__retres1~7 := 1; {15325#true} is VALID [2022-02-20 19:54:47,973 INFO L290 TraceCheckUtils]: 2: Hoare triple {15325#true} #res := ~__retres1~7; {15325#true} is VALID [2022-02-20 19:54:47,973 INFO L290 TraceCheckUtils]: 3: Hoare triple {15325#true} assume true; {15325#true} is VALID [2022-02-20 19:54:47,973 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {15325#true} {15326#false} #751#return; {15326#false} is VALID [2022-02-20 19:54:47,974 INFO L290 TraceCheckUtils]: 0: Hoare triple {15325#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~token~0 := 0;~local~0 := 0; {15327#(= ~M_E~0 2)} is VALID [2022-02-20 19:54:47,974 INFO L290 TraceCheckUtils]: 1: Hoare triple {15327#(= ~M_E~0 2)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1;assume -2147483648 <= main_#t~nondet29#1 && main_#t~nondet29#1 <= 2147483647; {15327#(= ~M_E~0 2)} is VALID [2022-02-20 19:54:47,974 INFO L290 TraceCheckUtils]: 2: Hoare triple {15327#(= ~M_E~0 2)} assume !(0 != main_#t~nondet29#1);havoc main_#t~nondet29#1;assume { :begin_inline_main2 } true;havoc main2_#res#1;havoc main2_~__retres1~8#1;havoc main2_~__retres1~8#1;assume { :begin_inline_init_model2 } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1; {15327#(= ~M_E~0 2)} is VALID [2022-02-20 19:54:47,975 INFO L290 TraceCheckUtils]: 3: Hoare triple {15327#(= ~M_E~0 2)} assume { :end_inline_init_model2 } true;assume { :begin_inline_start_simulation2 } true;havoc start_simulation2_#t~ret27#1, start_simulation2_#t~ret28#1, start_simulation2_~kernel_st~1#1, start_simulation2_~tmp~7#1, start_simulation2_~tmp___0~3#1;havoc start_simulation2_~kernel_st~1#1;havoc start_simulation2_~tmp~7#1;havoc start_simulation2_~tmp___0~3#1;start_simulation2_~kernel_st~1#1 := 0; {15327#(= ~M_E~0 2)} is VALID [2022-02-20 19:54:47,975 INFO L272 TraceCheckUtils]: 4: Hoare triple {15327#(= ~M_E~0 2)} call update_channels2(); {15325#true} is VALID [2022-02-20 19:54:47,975 INFO L290 TraceCheckUtils]: 5: Hoare triple {15325#true} assume true; {15325#true} is VALID [2022-02-20 19:54:47,975 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {15325#true} {15327#(= ~M_E~0 2)} #743#return; {15327#(= ~M_E~0 2)} is VALID [2022-02-20 19:54:47,976 INFO L290 TraceCheckUtils]: 7: Hoare triple {15327#(= ~M_E~0 2)} assume { :begin_inline_init_threads2 } true; {15327#(= ~M_E~0 2)} is VALID [2022-02-20 19:54:47,976 INFO L290 TraceCheckUtils]: 8: Hoare triple {15327#(= ~M_E~0 2)} assume 1 == ~m_i~0;~m_st~0 := 0; {15327#(= ~M_E~0 2)} is VALID [2022-02-20 19:54:47,977 INFO L290 TraceCheckUtils]: 9: Hoare triple {15327#(= ~M_E~0 2)} assume 1 == ~t1_i~0;~t1_st~0 := 0; {15327#(= ~M_E~0 2)} is VALID [2022-02-20 19:54:47,977 INFO L290 TraceCheckUtils]: 10: Hoare triple {15327#(= ~M_E~0 2)} assume 1 == ~t2_i~0;~t2_st~0 := 0; {15327#(= ~M_E~0 2)} is VALID [2022-02-20 19:54:47,978 INFO L290 TraceCheckUtils]: 11: Hoare triple {15327#(= ~M_E~0 2)} assume { :end_inline_init_threads2 } true; {15327#(= ~M_E~0 2)} is VALID [2022-02-20 19:54:47,978 INFO L272 TraceCheckUtils]: 12: Hoare triple {15327#(= ~M_E~0 2)} call fire_delta_events2(); {15371#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} is VALID [2022-02-20 19:54:47,979 INFO L290 TraceCheckUtils]: 13: Hoare triple {15371#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume 0 == ~M_E~0;~M_E~0 := 1; {15372#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:54:47,979 INFO L290 TraceCheckUtils]: 14: Hoare triple {15372#(= |old(~M_E~0)| 0)} assume 0 == ~T1_E~0;~T1_E~0 := 1; {15372#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:54:47,979 INFO L290 TraceCheckUtils]: 15: Hoare triple {15372#(= |old(~M_E~0)| 0)} assume 0 == ~T2_E~0;~T2_E~0 := 1; {15372#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:54:47,980 INFO L290 TraceCheckUtils]: 16: Hoare triple {15372#(= |old(~M_E~0)| 0)} assume 0 == ~E_M~0;~E_M~0 := 1; {15372#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:54:47,980 INFO L290 TraceCheckUtils]: 17: Hoare triple {15372#(= |old(~M_E~0)| 0)} assume 0 == ~E_1~0;~E_1~0 := 1; {15372#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:54:47,980 INFO L290 TraceCheckUtils]: 18: Hoare triple {15372#(= |old(~M_E~0)| 0)} assume 0 == ~E_2~0;~E_2~0 := 1; {15372#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:54:47,980 INFO L290 TraceCheckUtils]: 19: Hoare triple {15372#(= |old(~M_E~0)| 0)} assume true; {15372#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:54:47,981 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {15372#(= |old(~M_E~0)| 0)} {15327#(= ~M_E~0 2)} #745#return; {15326#false} is VALID [2022-02-20 19:54:47,981 INFO L272 TraceCheckUtils]: 21: Hoare triple {15326#false} call activate_threads2(); {15373#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} is VALID [2022-02-20 19:54:47,981 INFO L290 TraceCheckUtils]: 22: Hoare triple {15373#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~4#1;havoc is_master_triggered_~__retres1~4#1; {15325#true} is VALID [2022-02-20 19:54:47,981 INFO L290 TraceCheckUtils]: 23: Hoare triple {15325#true} assume 1 == ~m_pc~0; {15325#true} is VALID [2022-02-20 19:54:47,981 INFO L290 TraceCheckUtils]: 24: Hoare triple {15325#true} assume 1 == ~E_M~0;is_master_triggered_~__retres1~4#1 := 1; {15325#true} is VALID [2022-02-20 19:54:47,981 INFO L290 TraceCheckUtils]: 25: Hoare triple {15325#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {15325#true} is VALID [2022-02-20 19:54:47,981 INFO L290 TraceCheckUtils]: 26: Hoare triple {15325#true} #t~ret23#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret23#1 && #t~ret23#1 <= 2147483647;~tmp~5#1 := #t~ret23#1;havoc #t~ret23#1; {15325#true} is VALID [2022-02-20 19:54:47,982 INFO L290 TraceCheckUtils]: 27: Hoare triple {15325#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {15325#true} is VALID [2022-02-20 19:54:47,982 INFO L290 TraceCheckUtils]: 28: Hoare triple {15325#true} assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~5#1;havoc is_transmit1_triggered_~__retres1~5#1; {15325#true} is VALID [2022-02-20 19:54:47,982 INFO L290 TraceCheckUtils]: 29: Hoare triple {15325#true} assume !(1 == ~t1_pc~0); {15325#true} is VALID [2022-02-20 19:54:47,982 INFO L290 TraceCheckUtils]: 30: Hoare triple {15325#true} is_transmit1_triggered_~__retres1~5#1 := 0; {15325#true} is VALID [2022-02-20 19:54:47,982 INFO L290 TraceCheckUtils]: 31: Hoare triple {15325#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {15325#true} is VALID [2022-02-20 19:54:47,982 INFO L290 TraceCheckUtils]: 32: Hoare triple {15325#true} #t~ret24#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp___0~2#1 := #t~ret24#1;havoc #t~ret24#1; {15325#true} is VALID [2022-02-20 19:54:47,982 INFO L290 TraceCheckUtils]: 33: Hoare triple {15325#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {15325#true} is VALID [2022-02-20 19:54:47,982 INFO L290 TraceCheckUtils]: 34: Hoare triple {15325#true} assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~6#1;havoc is_transmit2_triggered_~__retres1~6#1; {15325#true} is VALID [2022-02-20 19:54:47,983 INFO L290 TraceCheckUtils]: 35: Hoare triple {15325#true} assume 1 == ~t2_pc~0; {15325#true} is VALID [2022-02-20 19:54:47,983 INFO L290 TraceCheckUtils]: 36: Hoare triple {15325#true} assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~6#1 := 1; {15325#true} is VALID [2022-02-20 19:54:47,983 INFO L290 TraceCheckUtils]: 37: Hoare triple {15325#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {15325#true} is VALID [2022-02-20 19:54:47,983 INFO L290 TraceCheckUtils]: 38: Hoare triple {15325#true} #t~ret25#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___1~1#1 := #t~ret25#1;havoc #t~ret25#1; {15325#true} is VALID [2022-02-20 19:54:47,983 INFO L290 TraceCheckUtils]: 39: Hoare triple {15325#true} assume 0 != ~tmp___1~1#1;~t2_st~0 := 0; {15325#true} is VALID [2022-02-20 19:54:47,983 INFO L290 TraceCheckUtils]: 40: Hoare triple {15325#true} assume true; {15325#true} is VALID [2022-02-20 19:54:47,983 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {15325#true} {15326#false} #747#return; {15326#false} is VALID [2022-02-20 19:54:47,984 INFO L272 TraceCheckUtils]: 42: Hoare triple {15326#false} call reset_delta_events2(); {15371#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} is VALID [2022-02-20 19:54:47,984 INFO L290 TraceCheckUtils]: 43: Hoare triple {15371#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume 1 == ~M_E~0;~M_E~0 := 2; {15325#true} is VALID [2022-02-20 19:54:47,984 INFO L290 TraceCheckUtils]: 44: Hoare triple {15325#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {15325#true} is VALID [2022-02-20 19:54:47,984 INFO L290 TraceCheckUtils]: 45: Hoare triple {15325#true} assume !(1 == ~T2_E~0); {15325#true} is VALID [2022-02-20 19:54:47,984 INFO L290 TraceCheckUtils]: 46: Hoare triple {15325#true} assume 1 == ~E_M~0;~E_M~0 := 2; {15325#true} is VALID [2022-02-20 19:54:47,984 INFO L290 TraceCheckUtils]: 47: Hoare triple {15325#true} assume 1 == ~E_1~0;~E_1~0 := 2; {15325#true} is VALID [2022-02-20 19:54:47,984 INFO L290 TraceCheckUtils]: 48: Hoare triple {15325#true} assume 1 == ~E_2~0;~E_2~0 := 2; {15325#true} is VALID [2022-02-20 19:54:47,984 INFO L290 TraceCheckUtils]: 49: Hoare triple {15325#true} assume true; {15325#true} is VALID [2022-02-20 19:54:47,985 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {15325#true} {15326#false} #749#return; {15326#false} is VALID [2022-02-20 19:54:47,985 INFO L290 TraceCheckUtils]: 51: Hoare triple {15326#false} assume !false; {15326#false} is VALID [2022-02-20 19:54:47,985 INFO L290 TraceCheckUtils]: 52: Hoare triple {15326#false} start_simulation2_~kernel_st~1#1 := 1;assume { :begin_inline_eval2 } true;havoc eval2_#t~ret19#1, eval2_#t~nondet20#1, eval2_~tmp_ndt_1~0#1, eval2_#t~nondet21#1, eval2_~tmp_ndt_2~0#1, eval2_#t~nondet22#1, eval2_~tmp_ndt_3~0#1, eval2_~tmp~4#1;havoc eval2_~tmp~4#1; {15326#false} is VALID [2022-02-20 19:54:47,985 INFO L290 TraceCheckUtils]: 53: Hoare triple {15326#false} assume !false; {15326#false} is VALID [2022-02-20 19:54:47,985 INFO L272 TraceCheckUtils]: 54: Hoare triple {15326#false} call eval2_#t~ret19#1 := exists_runnable_thread2(); {15325#true} is VALID [2022-02-20 19:54:47,985 INFO L290 TraceCheckUtils]: 55: Hoare triple {15325#true} havoc ~__retres1~7; {15325#true} is VALID [2022-02-20 19:54:47,985 INFO L290 TraceCheckUtils]: 56: Hoare triple {15325#true} assume 0 == ~m_st~0;~__retres1~7 := 1; {15325#true} is VALID [2022-02-20 19:54:47,986 INFO L290 TraceCheckUtils]: 57: Hoare triple {15325#true} #res := ~__retres1~7; {15325#true} is VALID [2022-02-20 19:54:47,986 INFO L290 TraceCheckUtils]: 58: Hoare triple {15325#true} assume true; {15325#true} is VALID [2022-02-20 19:54:47,986 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {15325#true} {15326#false} #751#return; {15326#false} is VALID [2022-02-20 19:54:47,986 INFO L290 TraceCheckUtils]: 60: Hoare triple {15326#false} assume -2147483648 <= eval2_#t~ret19#1 && eval2_#t~ret19#1 <= 2147483647;eval2_~tmp~4#1 := eval2_#t~ret19#1;havoc eval2_#t~ret19#1; {15326#false} is VALID [2022-02-20 19:54:47,986 INFO L290 TraceCheckUtils]: 61: Hoare triple {15326#false} assume 0 != eval2_~tmp~4#1; {15326#false} is VALID [2022-02-20 19:54:47,986 INFO L290 TraceCheckUtils]: 62: Hoare triple {15326#false} assume 0 == ~m_st~0;havoc eval2_~tmp_ndt_1~0#1;assume -2147483648 <= eval2_#t~nondet20#1 && eval2_#t~nondet20#1 <= 2147483647;eval2_~tmp_ndt_1~0#1 := eval2_#t~nondet20#1;havoc eval2_#t~nondet20#1; {15326#false} is VALID [2022-02-20 19:54:47,986 INFO L290 TraceCheckUtils]: 63: Hoare triple {15326#false} assume 0 != eval2_~tmp_ndt_1~0#1;~m_st~0 := 1;assume { :begin_inline_master } true;havoc master_#t~nondet17#1, master_#t~nondet18#1, master_~tmp_var~0#1;assume -2147483648 <= master_#t~nondet17#1 && master_#t~nondet17#1 <= 2147483647;master_~tmp_var~0#1 := master_#t~nondet17#1;havoc master_#t~nondet17#1; {15326#false} is VALID [2022-02-20 19:54:47,986 INFO L290 TraceCheckUtils]: 64: Hoare triple {15326#false} assume !(0 == ~m_pc~0); {15326#false} is VALID [2022-02-20 19:54:47,987 INFO L290 TraceCheckUtils]: 65: Hoare triple {15326#false} assume 1 == ~m_pc~0; {15326#false} is VALID [2022-02-20 19:54:47,987 INFO L290 TraceCheckUtils]: 66: Hoare triple {15326#false} assume ~token~0 != 2 + ~local~0; {15326#false} is VALID [2022-02-20 19:54:47,987 INFO L272 TraceCheckUtils]: 67: Hoare triple {15326#false} call error2(); {15326#false} is VALID [2022-02-20 19:54:47,987 INFO L290 TraceCheckUtils]: 68: Hoare triple {15326#false} assume !false; {15326#false} is VALID [2022-02-20 19:54:47,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 19:54:47,988 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:54:47,988 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906088450] [2022-02-20 19:54:47,988 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906088450] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:54:47,988 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 19:54:47,988 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 19:54:47,988 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745613160] [2022-02-20 19:54:47,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:54:47,989 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 69 [2022-02-20 19:54:47,990 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:54:47,990 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:54:48,025 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:54:48,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 19:54:48,026 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:54:48,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 19:54:48,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 19:54:48,027 INFO L87 Difference]: Start difference. First operand 831 states and 1100 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:54:49,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:49,590 INFO L93 Difference]: Finished difference Result 1141 states and 1571 transitions. [2022-02-20 19:54:49,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-20 19:54:49,590 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 69 [2022-02-20 19:54:49,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:54:49,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:54:49,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 761 transitions. [2022-02-20 19:54:49,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:54:49,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 761 transitions. [2022-02-20 19:54:49,601 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 761 transitions. [2022-02-20 19:54:50,044 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 761 edges. 761 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:54:50,089 INFO L225 Difference]: With dead ends: 1141 [2022-02-20 19:54:50,089 INFO L226 Difference]: Without dead ends: 1017 [2022-02-20 19:54:50,090 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-02-20 19:54:50,092 INFO L933 BasicCegarLoop]: 310 mSDtfsCounter, 566 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-20 19:54:50,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [579 Valid, 826 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-20 19:54:50,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2022-02-20 19:54:50,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 952. [2022-02-20 19:54:50,121 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:54:50,122 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1017 states. Second operand has 952 states, 828 states have (on average 1.3333333333333333) internal successors, (1104), 841 states have internal predecessors, (1104), 75 states have call successors, (75), 42 states have call predecessors, (75), 47 states have return successors, (102), 69 states have call predecessors, (102), 71 states have call successors, (102) [2022-02-20 19:54:50,124 INFO L74 IsIncluded]: Start isIncluded. First operand 1017 states. Second operand has 952 states, 828 states have (on average 1.3333333333333333) internal successors, (1104), 841 states have internal predecessors, (1104), 75 states have call successors, (75), 42 states have call predecessors, (75), 47 states have return successors, (102), 69 states have call predecessors, (102), 71 states have call successors, (102) [2022-02-20 19:54:50,125 INFO L87 Difference]: Start difference. First operand 1017 states. Second operand has 952 states, 828 states have (on average 1.3333333333333333) internal successors, (1104), 841 states have internal predecessors, (1104), 75 states have call successors, (75), 42 states have call predecessors, (75), 47 states have return successors, (102), 69 states have call predecessors, (102), 71 states have call successors, (102) [2022-02-20 19:54:50,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:50,164 INFO L93 Difference]: Finished difference Result 1017 states and 1383 transitions. [2022-02-20 19:54:50,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 1383 transitions. [2022-02-20 19:54:50,166 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:50,166 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:50,167 INFO L74 IsIncluded]: Start isIncluded. First operand has 952 states, 828 states have (on average 1.3333333333333333) internal successors, (1104), 841 states have internal predecessors, (1104), 75 states have call successors, (75), 42 states have call predecessors, (75), 47 states have return successors, (102), 69 states have call predecessors, (102), 71 states have call successors, (102) Second operand 1017 states. [2022-02-20 19:54:50,169 INFO L87 Difference]: Start difference. First operand has 952 states, 828 states have (on average 1.3333333333333333) internal successors, (1104), 841 states have internal predecessors, (1104), 75 states have call successors, (75), 42 states have call predecessors, (75), 47 states have return successors, (102), 69 states have call predecessors, (102), 71 states have call successors, (102) Second operand 1017 states. [2022-02-20 19:54:50,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:50,204 INFO L93 Difference]: Finished difference Result 1017 states and 1383 transitions. [2022-02-20 19:54:50,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 1383 transitions. [2022-02-20 19:54:50,206 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:50,206 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:50,206 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:54:50,206 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:54:50,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 828 states have (on average 1.3333333333333333) internal successors, (1104), 841 states have internal predecessors, (1104), 75 states have call successors, (75), 42 states have call predecessors, (75), 47 states have return successors, (102), 69 states have call predecessors, (102), 71 states have call successors, (102) [2022-02-20 19:54:50,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1281 transitions. [2022-02-20 19:54:50,260 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1281 transitions. Word has length 69 [2022-02-20 19:54:50,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:54:50,260 INFO L470 AbstractCegarLoop]: Abstraction has 952 states and 1281 transitions. [2022-02-20 19:54:50,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:54:50,261 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1281 transitions. [2022-02-20 19:54:50,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-02-20 19:54:50,262 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:54:50,262 INFO L514 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] [2022-02-20 19:54:50,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-20 19:54:50,262 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting error2Err0ASSERT_VIOLATIONERROR_FUNCTION === [error1Err0ASSERT_VIOLATIONERROR_FUNCTION, error2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:54:50,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:54:50,263 INFO L85 PathProgramCache]: Analyzing trace with hash -192000641, now seen corresponding path program 1 times [2022-02-20 19:54:50,263 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:54:50,271 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932173997] [2022-02-20 19:54:50,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:54:50,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:54:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:50,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-02-20 19:54:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:50,308 INFO L290 TraceCheckUtils]: 0: Hoare triple {20295#true} assume true; {20295#true} is VALID [2022-02-20 19:54:50,309 INFO L284 TraceCheckUtils]: 1: Hoare quadruple {20295#true} {20297#(= ~T1_E~0 ~M_E~0)} #743#return; {20297#(= ~T1_E~0 ~M_E~0)} is VALID [2022-02-20 19:54:50,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-20 19:54:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:50,333 INFO L290 TraceCheckUtils]: 0: Hoare triple {20341#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume !(0 == ~M_E~0); {20342#(and (= |old(~T1_E~0)| ~T1_E~0) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:54:50,334 INFO L290 TraceCheckUtils]: 1: Hoare triple {20342#(and (= |old(~T1_E~0)| ~T1_E~0) (not (= |old(~M_E~0)| 0)))} assume 0 == ~T1_E~0;~T1_E~0 := 1; {20343#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:54:50,334 INFO L290 TraceCheckUtils]: 2: Hoare triple {20343#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} assume 0 == ~T2_E~0;~T2_E~0 := 1; {20343#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:54:50,335 INFO L290 TraceCheckUtils]: 3: Hoare triple {20343#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} assume 0 == ~E_M~0;~E_M~0 := 1; {20343#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:54:50,335 INFO L290 TraceCheckUtils]: 4: Hoare triple {20343#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} assume 0 == ~E_1~0;~E_1~0 := 1; {20343#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:54:50,335 INFO L290 TraceCheckUtils]: 5: Hoare triple {20343#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} assume 0 == ~E_2~0;~E_2~0 := 1; {20343#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:54:50,336 INFO L290 TraceCheckUtils]: 6: Hoare triple {20343#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} assume true; {20343#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:54:50,337 INFO L284 TraceCheckUtils]: 7: Hoare quadruple {20343#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} {20297#(= ~T1_E~0 ~M_E~0)} #745#return; {20296#false} is VALID [2022-02-20 19:54:50,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-02-20 19:54:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:50,353 INFO L290 TraceCheckUtils]: 0: Hoare triple {20344#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~4#1;havoc is_master_triggered_~__retres1~4#1; {20295#true} is VALID [2022-02-20 19:54:50,353 INFO L290 TraceCheckUtils]: 1: Hoare triple {20295#true} assume 1 == ~m_pc~0; {20295#true} is VALID [2022-02-20 19:54:50,355 INFO L290 TraceCheckUtils]: 2: Hoare triple {20295#true} assume 1 == ~E_M~0;is_master_triggered_~__retres1~4#1 := 1; {20295#true} is VALID [2022-02-20 19:54:50,355 INFO L290 TraceCheckUtils]: 3: Hoare triple {20295#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {20295#true} is VALID [2022-02-20 19:54:50,356 INFO L290 TraceCheckUtils]: 4: Hoare triple {20295#true} #t~ret23#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret23#1 && #t~ret23#1 <= 2147483647;~tmp~5#1 := #t~ret23#1;havoc #t~ret23#1; {20295#true} is VALID [2022-02-20 19:54:50,356 INFO L290 TraceCheckUtils]: 5: Hoare triple {20295#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {20295#true} is VALID [2022-02-20 19:54:50,356 INFO L290 TraceCheckUtils]: 6: Hoare triple {20295#true} assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~5#1;havoc is_transmit1_triggered_~__retres1~5#1; {20295#true} is VALID [2022-02-20 19:54:50,356 INFO L290 TraceCheckUtils]: 7: Hoare triple {20295#true} assume !(1 == ~t1_pc~0); {20295#true} is VALID [2022-02-20 19:54:50,356 INFO L290 TraceCheckUtils]: 8: Hoare triple {20295#true} is_transmit1_triggered_~__retres1~5#1 := 0; {20295#true} is VALID [2022-02-20 19:54:50,356 INFO L290 TraceCheckUtils]: 9: Hoare triple {20295#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {20295#true} is VALID [2022-02-20 19:54:50,356 INFO L290 TraceCheckUtils]: 10: Hoare triple {20295#true} #t~ret24#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp___0~2#1 := #t~ret24#1;havoc #t~ret24#1; {20295#true} is VALID [2022-02-20 19:54:50,356 INFO L290 TraceCheckUtils]: 11: Hoare triple {20295#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {20295#true} is VALID [2022-02-20 19:54:50,356 INFO L290 TraceCheckUtils]: 12: Hoare triple {20295#true} assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~6#1;havoc is_transmit2_triggered_~__retres1~6#1; {20295#true} is VALID [2022-02-20 19:54:50,357 INFO L290 TraceCheckUtils]: 13: Hoare triple {20295#true} assume 1 == ~t2_pc~0; {20295#true} is VALID [2022-02-20 19:54:50,357 INFO L290 TraceCheckUtils]: 14: Hoare triple {20295#true} assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~6#1 := 1; {20295#true} is VALID [2022-02-20 19:54:50,357 INFO L290 TraceCheckUtils]: 15: Hoare triple {20295#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {20295#true} is VALID [2022-02-20 19:54:50,357 INFO L290 TraceCheckUtils]: 16: Hoare triple {20295#true} #t~ret25#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___1~1#1 := #t~ret25#1;havoc #t~ret25#1; {20295#true} is VALID [2022-02-20 19:54:50,357 INFO L290 TraceCheckUtils]: 17: Hoare triple {20295#true} assume 0 != ~tmp___1~1#1;~t2_st~0 := 0; {20295#true} is VALID [2022-02-20 19:54:50,357 INFO L290 TraceCheckUtils]: 18: Hoare triple {20295#true} assume true; {20295#true} is VALID [2022-02-20 19:54:50,357 INFO L284 TraceCheckUtils]: 19: Hoare quadruple {20295#true} {20296#false} #747#return; {20296#false} is VALID [2022-02-20 19:54:50,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-02-20 19:54:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:50,366 INFO L290 TraceCheckUtils]: 0: Hoare triple {20341#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume !(1 == ~M_E~0); {20295#true} is VALID [2022-02-20 19:54:50,367 INFO L290 TraceCheckUtils]: 1: Hoare triple {20295#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {20295#true} is VALID [2022-02-20 19:54:50,367 INFO L290 TraceCheckUtils]: 2: Hoare triple {20295#true} assume !(1 == ~T2_E~0); {20295#true} is VALID [2022-02-20 19:54:50,367 INFO L290 TraceCheckUtils]: 3: Hoare triple {20295#true} assume 1 == ~E_M~0;~E_M~0 := 2; {20295#true} is VALID [2022-02-20 19:54:50,367 INFO L290 TraceCheckUtils]: 4: Hoare triple {20295#true} assume 1 == ~E_1~0;~E_1~0 := 2; {20295#true} is VALID [2022-02-20 19:54:50,367 INFO L290 TraceCheckUtils]: 5: Hoare triple {20295#true} assume 1 == ~E_2~0;~E_2~0 := 2; {20295#true} is VALID [2022-02-20 19:54:50,367 INFO L290 TraceCheckUtils]: 6: Hoare triple {20295#true} assume true; {20295#true} is VALID [2022-02-20 19:54:50,367 INFO L284 TraceCheckUtils]: 7: Hoare quadruple {20295#true} {20296#false} #749#return; {20296#false} is VALID [2022-02-20 19:54:50,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-02-20 19:54:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:50,371 INFO L290 TraceCheckUtils]: 0: Hoare triple {20295#true} havoc ~__retres1~7; {20295#true} is VALID [2022-02-20 19:54:50,371 INFO L290 TraceCheckUtils]: 1: Hoare triple {20295#true} assume 0 == ~m_st~0;~__retres1~7 := 1; {20295#true} is VALID [2022-02-20 19:54:50,371 INFO L290 TraceCheckUtils]: 2: Hoare triple {20295#true} #res := ~__retres1~7; {20295#true} is VALID [2022-02-20 19:54:50,371 INFO L290 TraceCheckUtils]: 3: Hoare triple {20295#true} assume true; {20295#true} is VALID [2022-02-20 19:54:50,371 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {20295#true} {20296#false} #751#return; {20296#false} is VALID [2022-02-20 19:54:50,372 INFO L290 TraceCheckUtils]: 0: Hoare triple {20295#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~token~0 := 0;~local~0 := 0; {20297#(= ~T1_E~0 ~M_E~0)} is VALID [2022-02-20 19:54:50,372 INFO L290 TraceCheckUtils]: 1: Hoare triple {20297#(= ~T1_E~0 ~M_E~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1;assume -2147483648 <= main_#t~nondet29#1 && main_#t~nondet29#1 <= 2147483647; {20297#(= ~T1_E~0 ~M_E~0)} is VALID [2022-02-20 19:54:50,373 INFO L290 TraceCheckUtils]: 2: Hoare triple {20297#(= ~T1_E~0 ~M_E~0)} assume !(0 != main_#t~nondet29#1);havoc main_#t~nondet29#1;assume { :begin_inline_main2 } true;havoc main2_#res#1;havoc main2_~__retres1~8#1;havoc main2_~__retres1~8#1;assume { :begin_inline_init_model2 } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1; {20297#(= ~T1_E~0 ~M_E~0)} is VALID [2022-02-20 19:54:50,373 INFO L290 TraceCheckUtils]: 3: Hoare triple {20297#(= ~T1_E~0 ~M_E~0)} assume { :end_inline_init_model2 } true;assume { :begin_inline_start_simulation2 } true;havoc start_simulation2_#t~ret27#1, start_simulation2_#t~ret28#1, start_simulation2_~kernel_st~1#1, start_simulation2_~tmp~7#1, start_simulation2_~tmp___0~3#1;havoc start_simulation2_~kernel_st~1#1;havoc start_simulation2_~tmp~7#1;havoc start_simulation2_~tmp___0~3#1;start_simulation2_~kernel_st~1#1 := 0; {20297#(= ~T1_E~0 ~M_E~0)} is VALID [2022-02-20 19:54:50,373 INFO L272 TraceCheckUtils]: 4: Hoare triple {20297#(= ~T1_E~0 ~M_E~0)} call update_channels2(); {20295#true} is VALID [2022-02-20 19:54:50,373 INFO L290 TraceCheckUtils]: 5: Hoare triple {20295#true} assume true; {20295#true} is VALID [2022-02-20 19:54:50,374 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {20295#true} {20297#(= ~T1_E~0 ~M_E~0)} #743#return; {20297#(= ~T1_E~0 ~M_E~0)} is VALID [2022-02-20 19:54:50,374 INFO L290 TraceCheckUtils]: 7: Hoare triple {20297#(= ~T1_E~0 ~M_E~0)} assume { :begin_inline_init_threads2 } true; {20297#(= ~T1_E~0 ~M_E~0)} is VALID [2022-02-20 19:54:50,374 INFO L290 TraceCheckUtils]: 8: Hoare triple {20297#(= ~T1_E~0 ~M_E~0)} assume 1 == ~m_i~0;~m_st~0 := 0; {20297#(= ~T1_E~0 ~M_E~0)} is VALID [2022-02-20 19:54:50,374 INFO L290 TraceCheckUtils]: 9: Hoare triple {20297#(= ~T1_E~0 ~M_E~0)} assume 1 == ~t1_i~0;~t1_st~0 := 0; {20297#(= ~T1_E~0 ~M_E~0)} is VALID [2022-02-20 19:54:50,375 INFO L290 TraceCheckUtils]: 10: Hoare triple {20297#(= ~T1_E~0 ~M_E~0)} assume 1 == ~t2_i~0;~t2_st~0 := 0; {20297#(= ~T1_E~0 ~M_E~0)} is VALID [2022-02-20 19:54:50,375 INFO L290 TraceCheckUtils]: 11: Hoare triple {20297#(= ~T1_E~0 ~M_E~0)} assume { :end_inline_init_threads2 } true; {20297#(= ~T1_E~0 ~M_E~0)} is VALID [2022-02-20 19:54:50,376 INFO L272 TraceCheckUtils]: 12: Hoare triple {20297#(= ~T1_E~0 ~M_E~0)} call fire_delta_events2(); {20341#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} is VALID [2022-02-20 19:54:50,376 INFO L290 TraceCheckUtils]: 13: Hoare triple {20341#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume !(0 == ~M_E~0); {20342#(and (= |old(~T1_E~0)| ~T1_E~0) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:54:50,376 INFO L290 TraceCheckUtils]: 14: Hoare triple {20342#(and (= |old(~T1_E~0)| ~T1_E~0) (not (= |old(~M_E~0)| 0)))} assume 0 == ~T1_E~0;~T1_E~0 := 1; {20343#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:54:50,377 INFO L290 TraceCheckUtils]: 15: Hoare triple {20343#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} assume 0 == ~T2_E~0;~T2_E~0 := 1; {20343#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:54:50,377 INFO L290 TraceCheckUtils]: 16: Hoare triple {20343#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} assume 0 == ~E_M~0;~E_M~0 := 1; {20343#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:54:50,377 INFO L290 TraceCheckUtils]: 17: Hoare triple {20343#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} assume 0 == ~E_1~0;~E_1~0 := 1; {20343#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:54:50,378 INFO L290 TraceCheckUtils]: 18: Hoare triple {20343#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} assume 0 == ~E_2~0;~E_2~0 := 1; {20343#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:54:50,378 INFO L290 TraceCheckUtils]: 19: Hoare triple {20343#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} assume true; {20343#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:54:50,378 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {20343#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} {20297#(= ~T1_E~0 ~M_E~0)} #745#return; {20296#false} is VALID [2022-02-20 19:54:50,378 INFO L272 TraceCheckUtils]: 21: Hoare triple {20296#false} call activate_threads2(); {20344#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} is VALID [2022-02-20 19:54:50,378 INFO L290 TraceCheckUtils]: 22: Hoare triple {20344#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~4#1;havoc is_master_triggered_~__retres1~4#1; {20295#true} is VALID [2022-02-20 19:54:50,378 INFO L290 TraceCheckUtils]: 23: Hoare triple {20295#true} assume 1 == ~m_pc~0; {20295#true} is VALID [2022-02-20 19:54:50,379 INFO L290 TraceCheckUtils]: 24: Hoare triple {20295#true} assume 1 == ~E_M~0;is_master_triggered_~__retres1~4#1 := 1; {20295#true} is VALID [2022-02-20 19:54:50,379 INFO L290 TraceCheckUtils]: 25: Hoare triple {20295#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {20295#true} is VALID [2022-02-20 19:54:50,379 INFO L290 TraceCheckUtils]: 26: Hoare triple {20295#true} #t~ret23#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret23#1 && #t~ret23#1 <= 2147483647;~tmp~5#1 := #t~ret23#1;havoc #t~ret23#1; {20295#true} is VALID [2022-02-20 19:54:50,379 INFO L290 TraceCheckUtils]: 27: Hoare triple {20295#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {20295#true} is VALID [2022-02-20 19:54:50,379 INFO L290 TraceCheckUtils]: 28: Hoare triple {20295#true} assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~5#1;havoc is_transmit1_triggered_~__retres1~5#1; {20295#true} is VALID [2022-02-20 19:54:50,379 INFO L290 TraceCheckUtils]: 29: Hoare triple {20295#true} assume !(1 == ~t1_pc~0); {20295#true} is VALID [2022-02-20 19:54:50,379 INFO L290 TraceCheckUtils]: 30: Hoare triple {20295#true} is_transmit1_triggered_~__retres1~5#1 := 0; {20295#true} is VALID [2022-02-20 19:54:50,379 INFO L290 TraceCheckUtils]: 31: Hoare triple {20295#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {20295#true} is VALID [2022-02-20 19:54:50,379 INFO L290 TraceCheckUtils]: 32: Hoare triple {20295#true} #t~ret24#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp___0~2#1 := #t~ret24#1;havoc #t~ret24#1; {20295#true} is VALID [2022-02-20 19:54:50,380 INFO L290 TraceCheckUtils]: 33: Hoare triple {20295#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {20295#true} is VALID [2022-02-20 19:54:50,380 INFO L290 TraceCheckUtils]: 34: Hoare triple {20295#true} assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~6#1;havoc is_transmit2_triggered_~__retres1~6#1; {20295#true} is VALID [2022-02-20 19:54:50,380 INFO L290 TraceCheckUtils]: 35: Hoare triple {20295#true} assume 1 == ~t2_pc~0; {20295#true} is VALID [2022-02-20 19:54:50,380 INFO L290 TraceCheckUtils]: 36: Hoare triple {20295#true} assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~6#1 := 1; {20295#true} is VALID [2022-02-20 19:54:50,380 INFO L290 TraceCheckUtils]: 37: Hoare triple {20295#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {20295#true} is VALID [2022-02-20 19:54:50,380 INFO L290 TraceCheckUtils]: 38: Hoare triple {20295#true} #t~ret25#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___1~1#1 := #t~ret25#1;havoc #t~ret25#1; {20295#true} is VALID [2022-02-20 19:54:50,380 INFO L290 TraceCheckUtils]: 39: Hoare triple {20295#true} assume 0 != ~tmp___1~1#1;~t2_st~0 := 0; {20295#true} is VALID [2022-02-20 19:54:50,380 INFO L290 TraceCheckUtils]: 40: Hoare triple {20295#true} assume true; {20295#true} is VALID [2022-02-20 19:54:50,380 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {20295#true} {20296#false} #747#return; {20296#false} is VALID [2022-02-20 19:54:50,381 INFO L272 TraceCheckUtils]: 42: Hoare triple {20296#false} call reset_delta_events2(); {20341#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} is VALID [2022-02-20 19:54:50,381 INFO L290 TraceCheckUtils]: 43: Hoare triple {20341#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume !(1 == ~M_E~0); {20295#true} is VALID [2022-02-20 19:54:50,381 INFO L290 TraceCheckUtils]: 44: Hoare triple {20295#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {20295#true} is VALID [2022-02-20 19:54:50,381 INFO L290 TraceCheckUtils]: 45: Hoare triple {20295#true} assume !(1 == ~T2_E~0); {20295#true} is VALID [2022-02-20 19:54:50,381 INFO L290 TraceCheckUtils]: 46: Hoare triple {20295#true} assume 1 == ~E_M~0;~E_M~0 := 2; {20295#true} is VALID [2022-02-20 19:54:50,381 INFO L290 TraceCheckUtils]: 47: Hoare triple {20295#true} assume 1 == ~E_1~0;~E_1~0 := 2; {20295#true} is VALID [2022-02-20 19:54:50,381 INFO L290 TraceCheckUtils]: 48: Hoare triple {20295#true} assume 1 == ~E_2~0;~E_2~0 := 2; {20295#true} is VALID [2022-02-20 19:54:50,381 INFO L290 TraceCheckUtils]: 49: Hoare triple {20295#true} assume true; {20295#true} is VALID [2022-02-20 19:54:50,381 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {20295#true} {20296#false} #749#return; {20296#false} is VALID [2022-02-20 19:54:50,381 INFO L290 TraceCheckUtils]: 51: Hoare triple {20296#false} assume !false; {20296#false} is VALID [2022-02-20 19:54:50,382 INFO L290 TraceCheckUtils]: 52: Hoare triple {20296#false} start_simulation2_~kernel_st~1#1 := 1;assume { :begin_inline_eval2 } true;havoc eval2_#t~ret19#1, eval2_#t~nondet20#1, eval2_~tmp_ndt_1~0#1, eval2_#t~nondet21#1, eval2_~tmp_ndt_2~0#1, eval2_#t~nondet22#1, eval2_~tmp_ndt_3~0#1, eval2_~tmp~4#1;havoc eval2_~tmp~4#1; {20296#false} is VALID [2022-02-20 19:54:50,382 INFO L290 TraceCheckUtils]: 53: Hoare triple {20296#false} assume !false; {20296#false} is VALID [2022-02-20 19:54:50,382 INFO L272 TraceCheckUtils]: 54: Hoare triple {20296#false} call eval2_#t~ret19#1 := exists_runnable_thread2(); {20295#true} is VALID [2022-02-20 19:54:50,382 INFO L290 TraceCheckUtils]: 55: Hoare triple {20295#true} havoc ~__retres1~7; {20295#true} is VALID [2022-02-20 19:54:50,382 INFO L290 TraceCheckUtils]: 56: Hoare triple {20295#true} assume 0 == ~m_st~0;~__retres1~7 := 1; {20295#true} is VALID [2022-02-20 19:54:50,382 INFO L290 TraceCheckUtils]: 57: Hoare triple {20295#true} #res := ~__retres1~7; {20295#true} is VALID [2022-02-20 19:54:50,382 INFO L290 TraceCheckUtils]: 58: Hoare triple {20295#true} assume true; {20295#true} is VALID [2022-02-20 19:54:50,382 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {20295#true} {20296#false} #751#return; {20296#false} is VALID [2022-02-20 19:54:50,382 INFO L290 TraceCheckUtils]: 60: Hoare triple {20296#false} assume -2147483648 <= eval2_#t~ret19#1 && eval2_#t~ret19#1 <= 2147483647;eval2_~tmp~4#1 := eval2_#t~ret19#1;havoc eval2_#t~ret19#1; {20296#false} is VALID [2022-02-20 19:54:50,383 INFO L290 TraceCheckUtils]: 61: Hoare triple {20296#false} assume 0 != eval2_~tmp~4#1; {20296#false} is VALID [2022-02-20 19:54:50,383 INFO L290 TraceCheckUtils]: 62: Hoare triple {20296#false} assume 0 == ~m_st~0;havoc eval2_~tmp_ndt_1~0#1;assume -2147483648 <= eval2_#t~nondet20#1 && eval2_#t~nondet20#1 <= 2147483647;eval2_~tmp_ndt_1~0#1 := eval2_#t~nondet20#1;havoc eval2_#t~nondet20#1; {20296#false} is VALID [2022-02-20 19:54:50,383 INFO L290 TraceCheckUtils]: 63: Hoare triple {20296#false} assume 0 != eval2_~tmp_ndt_1~0#1;~m_st~0 := 1;assume { :begin_inline_master } true;havoc master_#t~nondet17#1, master_#t~nondet18#1, master_~tmp_var~0#1;assume -2147483648 <= master_#t~nondet17#1 && master_#t~nondet17#1 <= 2147483647;master_~tmp_var~0#1 := master_#t~nondet17#1;havoc master_#t~nondet17#1; {20296#false} is VALID [2022-02-20 19:54:50,383 INFO L290 TraceCheckUtils]: 64: Hoare triple {20296#false} assume !(0 == ~m_pc~0); {20296#false} is VALID [2022-02-20 19:54:50,383 INFO L290 TraceCheckUtils]: 65: Hoare triple {20296#false} assume 1 == ~m_pc~0; {20296#false} is VALID [2022-02-20 19:54:50,383 INFO L290 TraceCheckUtils]: 66: Hoare triple {20296#false} assume ~token~0 != 2 + ~local~0; {20296#false} is VALID [2022-02-20 19:54:50,383 INFO L272 TraceCheckUtils]: 67: Hoare triple {20296#false} call error2(); {20296#false} is VALID [2022-02-20 19:54:50,383 INFO L290 TraceCheckUtils]: 68: Hoare triple {20296#false} assume !false; {20296#false} is VALID [2022-02-20 19:54:50,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 19:54:50,384 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:54:50,384 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932173997] [2022-02-20 19:54:50,384 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932173997] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:54:50,384 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 19:54:50,384 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 19:54:50,384 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090706797] [2022-02-20 19:54:50,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:54:50,385 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 69 [2022-02-20 19:54:50,385 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:54:50,386 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:54:50,417 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:54:50,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 19:54:50,417 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:54:50,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 19:54:50,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-20 19:54:50,418 INFO L87 Difference]: Start difference. First operand 952 states and 1281 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:54:52,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:52,568 INFO L93 Difference]: Finished difference Result 1414 states and 1975 transitions. [2022-02-20 19:54:52,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-20 19:54:52,569 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 69 [2022-02-20 19:54:52,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:54:52,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:54:52,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 761 transitions. [2022-02-20 19:54:52,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:54:52,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 761 transitions. [2022-02-20 19:54:52,578 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 761 transitions. [2022-02-20 19:54:53,090 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 761 edges. 761 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:54:53,146 INFO L225 Difference]: With dead ends: 1414 [2022-02-20 19:54:53,147 INFO L226 Difference]: Without dead ends: 1169 [2022-02-20 19:54:53,147 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-02-20 19:54:53,148 INFO L933 BasicCegarLoop]: 401 mSDtfsCounter, 554 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 1295 SdHoareTripleChecker+Invalid, 1033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-20 19:54:53,148 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [567 Valid, 1295 Invalid, 1033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-20 19:54:53,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2022-02-20 19:54:53,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1066. [2022-02-20 19:54:53,171 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:54:53,173 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1169 states. Second operand has 1066 states, 924 states have (on average 1.3484848484848484) internal successors, (1246), 938 states have internal predecessors, (1246), 86 states have call successors, (86), 48 states have call predecessors, (86), 54 states have return successors, (115), 81 states have call predecessors, (115), 82 states have call successors, (115) [2022-02-20 19:54:53,175 INFO L74 IsIncluded]: Start isIncluded. First operand 1169 states. Second operand has 1066 states, 924 states have (on average 1.3484848484848484) internal successors, (1246), 938 states have internal predecessors, (1246), 86 states have call successors, (86), 48 states have call predecessors, (86), 54 states have return successors, (115), 81 states have call predecessors, (115), 82 states have call successors, (115) [2022-02-20 19:54:53,176 INFO L87 Difference]: Start difference. First operand 1169 states. Second operand has 1066 states, 924 states have (on average 1.3484848484848484) internal successors, (1246), 938 states have internal predecessors, (1246), 86 states have call successors, (86), 48 states have call predecessors, (86), 54 states have return successors, (115), 81 states have call predecessors, (115), 82 states have call successors, (115) [2022-02-20 19:54:53,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:53,220 INFO L93 Difference]: Finished difference Result 1169 states and 1609 transitions. [2022-02-20 19:54:53,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1609 transitions. [2022-02-20 19:54:53,222 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:53,222 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:53,230 INFO L74 IsIncluded]: Start isIncluded. First operand has 1066 states, 924 states have (on average 1.3484848484848484) internal successors, (1246), 938 states have internal predecessors, (1246), 86 states have call successors, (86), 48 states have call predecessors, (86), 54 states have return successors, (115), 81 states have call predecessors, (115), 82 states have call successors, (115) Second operand 1169 states. [2022-02-20 19:54:53,232 INFO L87 Difference]: Start difference. First operand has 1066 states, 924 states have (on average 1.3484848484848484) internal successors, (1246), 938 states have internal predecessors, (1246), 86 states have call successors, (86), 48 states have call predecessors, (86), 54 states have return successors, (115), 81 states have call predecessors, (115), 82 states have call successors, (115) Second operand 1169 states. [2022-02-20 19:54:53,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:53,278 INFO L93 Difference]: Finished difference Result 1169 states and 1609 transitions. [2022-02-20 19:54:53,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1609 transitions. [2022-02-20 19:54:53,281 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:53,281 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:53,281 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:54:53,281 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:54:53,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1066 states, 924 states have (on average 1.3484848484848484) internal successors, (1246), 938 states have internal predecessors, (1246), 86 states have call successors, (86), 48 states have call predecessors, (86), 54 states have return successors, (115), 81 states have call predecessors, (115), 82 states have call successors, (115) [2022-02-20 19:54:53,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1447 transitions. [2022-02-20 19:54:53,332 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1447 transitions. Word has length 69 [2022-02-20 19:54:53,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:54:53,332 INFO L470 AbstractCegarLoop]: Abstraction has 1066 states and 1447 transitions. [2022-02-20 19:54:53,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:54:53,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1447 transitions. [2022-02-20 19:54:53,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-02-20 19:54:53,334 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:54:53,334 INFO L514 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] [2022-02-20 19:54:53,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-20 19:54:53,335 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting error2Err0ASSERT_VIOLATIONERROR_FUNCTION === [error1Err0ASSERT_VIOLATIONERROR_FUNCTION, error2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:54:53,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:54:53,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1194784769, now seen corresponding path program 1 times [2022-02-20 19:54:53,335 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:54:53,335 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080428322] [2022-02-20 19:54:53,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:54:53,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:54:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:53,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-02-20 19:54:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:53,374 INFO L290 TraceCheckUtils]: 0: Hoare triple {26082#true} assume true; {26082#true} is VALID [2022-02-20 19:54:53,375 INFO L284 TraceCheckUtils]: 1: Hoare quadruple {26082#true} {26084#(= ~T2_E~0 ~M_E~0)} #743#return; {26084#(= ~T2_E~0 ~M_E~0)} is VALID [2022-02-20 19:54:53,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-20 19:54:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:53,400 INFO L290 TraceCheckUtils]: 0: Hoare triple {26128#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume !(0 == ~M_E~0); {26129#(and (= |old(~T2_E~0)| ~T2_E~0) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:54:53,401 INFO L290 TraceCheckUtils]: 1: Hoare triple {26129#(and (= |old(~T2_E~0)| ~T2_E~0) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~T1_E~0); {26129#(and (= |old(~T2_E~0)| ~T2_E~0) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:54:53,401 INFO L290 TraceCheckUtils]: 2: Hoare triple {26129#(and (= |old(~T2_E~0)| ~T2_E~0) (not (= |old(~M_E~0)| 0)))} assume 0 == ~T2_E~0;~T2_E~0 := 1; {26130#(not (= |old(~T2_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:54:53,401 INFO L290 TraceCheckUtils]: 3: Hoare triple {26130#(not (= |old(~T2_E~0)| |old(~M_E~0)|))} assume 0 == ~E_M~0;~E_M~0 := 1; {26130#(not (= |old(~T2_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:54:53,402 INFO L290 TraceCheckUtils]: 4: Hoare triple {26130#(not (= |old(~T2_E~0)| |old(~M_E~0)|))} assume 0 == ~E_1~0;~E_1~0 := 1; {26130#(not (= |old(~T2_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:54:53,402 INFO L290 TraceCheckUtils]: 5: Hoare triple {26130#(not (= |old(~T2_E~0)| |old(~M_E~0)|))} assume 0 == ~E_2~0;~E_2~0 := 1; {26130#(not (= |old(~T2_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:54:53,402 INFO L290 TraceCheckUtils]: 6: Hoare triple {26130#(not (= |old(~T2_E~0)| |old(~M_E~0)|))} assume true; {26130#(not (= |old(~T2_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:54:53,403 INFO L284 TraceCheckUtils]: 7: Hoare quadruple {26130#(not (= |old(~T2_E~0)| |old(~M_E~0)|))} {26084#(= ~T2_E~0 ~M_E~0)} #745#return; {26083#false} is VALID [2022-02-20 19:54:53,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-02-20 19:54:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:53,421 INFO L290 TraceCheckUtils]: 0: Hoare triple {26131#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~4#1;havoc is_master_triggered_~__retres1~4#1; {26082#true} is VALID [2022-02-20 19:54:53,421 INFO L290 TraceCheckUtils]: 1: Hoare triple {26082#true} assume 1 == ~m_pc~0; {26082#true} is VALID [2022-02-20 19:54:53,421 INFO L290 TraceCheckUtils]: 2: Hoare triple {26082#true} assume 1 == ~E_M~0;is_master_triggered_~__retres1~4#1 := 1; {26082#true} is VALID [2022-02-20 19:54:53,421 INFO L290 TraceCheckUtils]: 3: Hoare triple {26082#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {26082#true} is VALID [2022-02-20 19:54:53,421 INFO L290 TraceCheckUtils]: 4: Hoare triple {26082#true} #t~ret23#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret23#1 && #t~ret23#1 <= 2147483647;~tmp~5#1 := #t~ret23#1;havoc #t~ret23#1; {26082#true} is VALID [2022-02-20 19:54:53,422 INFO L290 TraceCheckUtils]: 5: Hoare triple {26082#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {26082#true} is VALID [2022-02-20 19:54:53,422 INFO L290 TraceCheckUtils]: 6: Hoare triple {26082#true} assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~5#1;havoc is_transmit1_triggered_~__retres1~5#1; {26082#true} is VALID [2022-02-20 19:54:53,422 INFO L290 TraceCheckUtils]: 7: Hoare triple {26082#true} assume !(1 == ~t1_pc~0); {26082#true} is VALID [2022-02-20 19:54:53,422 INFO L290 TraceCheckUtils]: 8: Hoare triple {26082#true} is_transmit1_triggered_~__retres1~5#1 := 0; {26082#true} is VALID [2022-02-20 19:54:53,422 INFO L290 TraceCheckUtils]: 9: Hoare triple {26082#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {26082#true} is VALID [2022-02-20 19:54:53,422 INFO L290 TraceCheckUtils]: 10: Hoare triple {26082#true} #t~ret24#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp___0~2#1 := #t~ret24#1;havoc #t~ret24#1; {26082#true} is VALID [2022-02-20 19:54:53,422 INFO L290 TraceCheckUtils]: 11: Hoare triple {26082#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {26082#true} is VALID [2022-02-20 19:54:53,422 INFO L290 TraceCheckUtils]: 12: Hoare triple {26082#true} assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~6#1;havoc is_transmit2_triggered_~__retres1~6#1; {26082#true} is VALID [2022-02-20 19:54:53,422 INFO L290 TraceCheckUtils]: 13: Hoare triple {26082#true} assume 1 == ~t2_pc~0; {26082#true} is VALID [2022-02-20 19:54:53,423 INFO L290 TraceCheckUtils]: 14: Hoare triple {26082#true} assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~6#1 := 1; {26082#true} is VALID [2022-02-20 19:54:53,423 INFO L290 TraceCheckUtils]: 15: Hoare triple {26082#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {26082#true} is VALID [2022-02-20 19:54:53,423 INFO L290 TraceCheckUtils]: 16: Hoare triple {26082#true} #t~ret25#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___1~1#1 := #t~ret25#1;havoc #t~ret25#1; {26082#true} is VALID [2022-02-20 19:54:53,423 INFO L290 TraceCheckUtils]: 17: Hoare triple {26082#true} assume 0 != ~tmp___1~1#1;~t2_st~0 := 0; {26082#true} is VALID [2022-02-20 19:54:53,423 INFO L290 TraceCheckUtils]: 18: Hoare triple {26082#true} assume true; {26082#true} is VALID [2022-02-20 19:54:53,423 INFO L284 TraceCheckUtils]: 19: Hoare quadruple {26082#true} {26083#false} #747#return; {26083#false} is VALID [2022-02-20 19:54:53,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-02-20 19:54:53,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:53,427 INFO L290 TraceCheckUtils]: 0: Hoare triple {26128#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume !(1 == ~M_E~0); {26082#true} is VALID [2022-02-20 19:54:53,427 INFO L290 TraceCheckUtils]: 1: Hoare triple {26082#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {26082#true} is VALID [2022-02-20 19:54:53,427 INFO L290 TraceCheckUtils]: 2: Hoare triple {26082#true} assume !(1 == ~T2_E~0); {26082#true} is VALID [2022-02-20 19:54:53,427 INFO L290 TraceCheckUtils]: 3: Hoare triple {26082#true} assume 1 == ~E_M~0;~E_M~0 := 2; {26082#true} is VALID [2022-02-20 19:54:53,427 INFO L290 TraceCheckUtils]: 4: Hoare triple {26082#true} assume 1 == ~E_1~0;~E_1~0 := 2; {26082#true} is VALID [2022-02-20 19:54:53,427 INFO L290 TraceCheckUtils]: 5: Hoare triple {26082#true} assume 1 == ~E_2~0;~E_2~0 := 2; {26082#true} is VALID [2022-02-20 19:54:53,427 INFO L290 TraceCheckUtils]: 6: Hoare triple {26082#true} assume true; {26082#true} is VALID [2022-02-20 19:54:53,428 INFO L284 TraceCheckUtils]: 7: Hoare quadruple {26082#true} {26083#false} #749#return; {26083#false} is VALID [2022-02-20 19:54:53,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-02-20 19:54:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:53,430 INFO L290 TraceCheckUtils]: 0: Hoare triple {26082#true} havoc ~__retres1~7; {26082#true} is VALID [2022-02-20 19:54:53,430 INFO L290 TraceCheckUtils]: 1: Hoare triple {26082#true} assume 0 == ~m_st~0;~__retres1~7 := 1; {26082#true} is VALID [2022-02-20 19:54:53,430 INFO L290 TraceCheckUtils]: 2: Hoare triple {26082#true} #res := ~__retres1~7; {26082#true} is VALID [2022-02-20 19:54:53,430 INFO L290 TraceCheckUtils]: 3: Hoare triple {26082#true} assume true; {26082#true} is VALID [2022-02-20 19:54:53,430 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {26082#true} {26083#false} #751#return; {26083#false} is VALID [2022-02-20 19:54:53,431 INFO L290 TraceCheckUtils]: 0: Hoare triple {26082#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~token~0 := 0;~local~0 := 0; {26084#(= ~T2_E~0 ~M_E~0)} is VALID [2022-02-20 19:54:53,431 INFO L290 TraceCheckUtils]: 1: Hoare triple {26084#(= ~T2_E~0 ~M_E~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1;assume -2147483648 <= main_#t~nondet29#1 && main_#t~nondet29#1 <= 2147483647; {26084#(= ~T2_E~0 ~M_E~0)} is VALID [2022-02-20 19:54:53,432 INFO L290 TraceCheckUtils]: 2: Hoare triple {26084#(= ~T2_E~0 ~M_E~0)} assume !(0 != main_#t~nondet29#1);havoc main_#t~nondet29#1;assume { :begin_inline_main2 } true;havoc main2_#res#1;havoc main2_~__retres1~8#1;havoc main2_~__retres1~8#1;assume { :begin_inline_init_model2 } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1; {26084#(= ~T2_E~0 ~M_E~0)} is VALID [2022-02-20 19:54:53,432 INFO L290 TraceCheckUtils]: 3: Hoare triple {26084#(= ~T2_E~0 ~M_E~0)} assume { :end_inline_init_model2 } true;assume { :begin_inline_start_simulation2 } true;havoc start_simulation2_#t~ret27#1, start_simulation2_#t~ret28#1, start_simulation2_~kernel_st~1#1, start_simulation2_~tmp~7#1, start_simulation2_~tmp___0~3#1;havoc start_simulation2_~kernel_st~1#1;havoc start_simulation2_~tmp~7#1;havoc start_simulation2_~tmp___0~3#1;start_simulation2_~kernel_st~1#1 := 0; {26084#(= ~T2_E~0 ~M_E~0)} is VALID [2022-02-20 19:54:53,432 INFO L272 TraceCheckUtils]: 4: Hoare triple {26084#(= ~T2_E~0 ~M_E~0)} call update_channels2(); {26082#true} is VALID [2022-02-20 19:54:53,432 INFO L290 TraceCheckUtils]: 5: Hoare triple {26082#true} assume true; {26082#true} is VALID [2022-02-20 19:54:53,432 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {26082#true} {26084#(= ~T2_E~0 ~M_E~0)} #743#return; {26084#(= ~T2_E~0 ~M_E~0)} is VALID [2022-02-20 19:54:53,433 INFO L290 TraceCheckUtils]: 7: Hoare triple {26084#(= ~T2_E~0 ~M_E~0)} assume { :begin_inline_init_threads2 } true; {26084#(= ~T2_E~0 ~M_E~0)} is VALID [2022-02-20 19:54:53,433 INFO L290 TraceCheckUtils]: 8: Hoare triple {26084#(= ~T2_E~0 ~M_E~0)} assume 1 == ~m_i~0;~m_st~0 := 0; {26084#(= ~T2_E~0 ~M_E~0)} is VALID [2022-02-20 19:54:53,433 INFO L290 TraceCheckUtils]: 9: Hoare triple {26084#(= ~T2_E~0 ~M_E~0)} assume 1 == ~t1_i~0;~t1_st~0 := 0; {26084#(= ~T2_E~0 ~M_E~0)} is VALID [2022-02-20 19:54:53,434 INFO L290 TraceCheckUtils]: 10: Hoare triple {26084#(= ~T2_E~0 ~M_E~0)} assume 1 == ~t2_i~0;~t2_st~0 := 0; {26084#(= ~T2_E~0 ~M_E~0)} is VALID [2022-02-20 19:54:53,434 INFO L290 TraceCheckUtils]: 11: Hoare triple {26084#(= ~T2_E~0 ~M_E~0)} assume { :end_inline_init_threads2 } true; {26084#(= ~T2_E~0 ~M_E~0)} is VALID [2022-02-20 19:54:53,434 INFO L272 TraceCheckUtils]: 12: Hoare triple {26084#(= ~T2_E~0 ~M_E~0)} call fire_delta_events2(); {26128#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} is VALID [2022-02-20 19:54:53,435 INFO L290 TraceCheckUtils]: 13: Hoare triple {26128#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume !(0 == ~M_E~0); {26129#(and (= |old(~T2_E~0)| ~T2_E~0) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:54:53,435 INFO L290 TraceCheckUtils]: 14: Hoare triple {26129#(and (= |old(~T2_E~0)| ~T2_E~0) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~T1_E~0); {26129#(and (= |old(~T2_E~0)| ~T2_E~0) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:54:53,435 INFO L290 TraceCheckUtils]: 15: Hoare triple {26129#(and (= |old(~T2_E~0)| ~T2_E~0) (not (= |old(~M_E~0)| 0)))} assume 0 == ~T2_E~0;~T2_E~0 := 1; {26130#(not (= |old(~T2_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:54:53,436 INFO L290 TraceCheckUtils]: 16: Hoare triple {26130#(not (= |old(~T2_E~0)| |old(~M_E~0)|))} assume 0 == ~E_M~0;~E_M~0 := 1; {26130#(not (= |old(~T2_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:54:53,436 INFO L290 TraceCheckUtils]: 17: Hoare triple {26130#(not (= |old(~T2_E~0)| |old(~M_E~0)|))} assume 0 == ~E_1~0;~E_1~0 := 1; {26130#(not (= |old(~T2_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:54:53,436 INFO L290 TraceCheckUtils]: 18: Hoare triple {26130#(not (= |old(~T2_E~0)| |old(~M_E~0)|))} assume 0 == ~E_2~0;~E_2~0 := 1; {26130#(not (= |old(~T2_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:54:53,437 INFO L290 TraceCheckUtils]: 19: Hoare triple {26130#(not (= |old(~T2_E~0)| |old(~M_E~0)|))} assume true; {26130#(not (= |old(~T2_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:54:53,437 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {26130#(not (= |old(~T2_E~0)| |old(~M_E~0)|))} {26084#(= ~T2_E~0 ~M_E~0)} #745#return; {26083#false} is VALID [2022-02-20 19:54:53,437 INFO L272 TraceCheckUtils]: 21: Hoare triple {26083#false} call activate_threads2(); {26131#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} is VALID [2022-02-20 19:54:53,437 INFO L290 TraceCheckUtils]: 22: Hoare triple {26131#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~4#1;havoc is_master_triggered_~__retres1~4#1; {26082#true} is VALID [2022-02-20 19:54:53,437 INFO L290 TraceCheckUtils]: 23: Hoare triple {26082#true} assume 1 == ~m_pc~0; {26082#true} is VALID [2022-02-20 19:54:53,437 INFO L290 TraceCheckUtils]: 24: Hoare triple {26082#true} assume 1 == ~E_M~0;is_master_triggered_~__retres1~4#1 := 1; {26082#true} is VALID [2022-02-20 19:54:53,437 INFO L290 TraceCheckUtils]: 25: Hoare triple {26082#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {26082#true} is VALID [2022-02-20 19:54:53,438 INFO L290 TraceCheckUtils]: 26: Hoare triple {26082#true} #t~ret23#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret23#1 && #t~ret23#1 <= 2147483647;~tmp~5#1 := #t~ret23#1;havoc #t~ret23#1; {26082#true} is VALID [2022-02-20 19:54:53,438 INFO L290 TraceCheckUtils]: 27: Hoare triple {26082#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {26082#true} is VALID [2022-02-20 19:54:53,438 INFO L290 TraceCheckUtils]: 28: Hoare triple {26082#true} assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~5#1;havoc is_transmit1_triggered_~__retres1~5#1; {26082#true} is VALID [2022-02-20 19:54:53,438 INFO L290 TraceCheckUtils]: 29: Hoare triple {26082#true} assume !(1 == ~t1_pc~0); {26082#true} is VALID [2022-02-20 19:54:53,438 INFO L290 TraceCheckUtils]: 30: Hoare triple {26082#true} is_transmit1_triggered_~__retres1~5#1 := 0; {26082#true} is VALID [2022-02-20 19:54:53,438 INFO L290 TraceCheckUtils]: 31: Hoare triple {26082#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {26082#true} is VALID [2022-02-20 19:54:53,438 INFO L290 TraceCheckUtils]: 32: Hoare triple {26082#true} #t~ret24#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp___0~2#1 := #t~ret24#1;havoc #t~ret24#1; {26082#true} is VALID [2022-02-20 19:54:53,438 INFO L290 TraceCheckUtils]: 33: Hoare triple {26082#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {26082#true} is VALID [2022-02-20 19:54:53,438 INFO L290 TraceCheckUtils]: 34: Hoare triple {26082#true} assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~6#1;havoc is_transmit2_triggered_~__retres1~6#1; {26082#true} is VALID [2022-02-20 19:54:53,438 INFO L290 TraceCheckUtils]: 35: Hoare triple {26082#true} assume 1 == ~t2_pc~0; {26082#true} is VALID [2022-02-20 19:54:53,439 INFO L290 TraceCheckUtils]: 36: Hoare triple {26082#true} assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~6#1 := 1; {26082#true} is VALID [2022-02-20 19:54:53,439 INFO L290 TraceCheckUtils]: 37: Hoare triple {26082#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {26082#true} is VALID [2022-02-20 19:54:53,439 INFO L290 TraceCheckUtils]: 38: Hoare triple {26082#true} #t~ret25#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___1~1#1 := #t~ret25#1;havoc #t~ret25#1; {26082#true} is VALID [2022-02-20 19:54:53,439 INFO L290 TraceCheckUtils]: 39: Hoare triple {26082#true} assume 0 != ~tmp___1~1#1;~t2_st~0 := 0; {26082#true} is VALID [2022-02-20 19:54:53,439 INFO L290 TraceCheckUtils]: 40: Hoare triple {26082#true} assume true; {26082#true} is VALID [2022-02-20 19:54:53,439 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {26082#true} {26083#false} #747#return; {26083#false} is VALID [2022-02-20 19:54:53,439 INFO L272 TraceCheckUtils]: 42: Hoare triple {26083#false} call reset_delta_events2(); {26128#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} is VALID [2022-02-20 19:54:53,439 INFO L290 TraceCheckUtils]: 43: Hoare triple {26128#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume !(1 == ~M_E~0); {26082#true} is VALID [2022-02-20 19:54:53,439 INFO L290 TraceCheckUtils]: 44: Hoare triple {26082#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {26082#true} is VALID [2022-02-20 19:54:53,439 INFO L290 TraceCheckUtils]: 45: Hoare triple {26082#true} assume !(1 == ~T2_E~0); {26082#true} is VALID [2022-02-20 19:54:53,440 INFO L290 TraceCheckUtils]: 46: Hoare triple {26082#true} assume 1 == ~E_M~0;~E_M~0 := 2; {26082#true} is VALID [2022-02-20 19:54:53,440 INFO L290 TraceCheckUtils]: 47: Hoare triple {26082#true} assume 1 == ~E_1~0;~E_1~0 := 2; {26082#true} is VALID [2022-02-20 19:54:53,440 INFO L290 TraceCheckUtils]: 48: Hoare triple {26082#true} assume 1 == ~E_2~0;~E_2~0 := 2; {26082#true} is VALID [2022-02-20 19:54:53,440 INFO L290 TraceCheckUtils]: 49: Hoare triple {26082#true} assume true; {26082#true} is VALID [2022-02-20 19:54:53,440 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {26082#true} {26083#false} #749#return; {26083#false} is VALID [2022-02-20 19:54:53,440 INFO L290 TraceCheckUtils]: 51: Hoare triple {26083#false} assume !false; {26083#false} is VALID [2022-02-20 19:54:53,440 INFO L290 TraceCheckUtils]: 52: Hoare triple {26083#false} start_simulation2_~kernel_st~1#1 := 1;assume { :begin_inline_eval2 } true;havoc eval2_#t~ret19#1, eval2_#t~nondet20#1, eval2_~tmp_ndt_1~0#1, eval2_#t~nondet21#1, eval2_~tmp_ndt_2~0#1, eval2_#t~nondet22#1, eval2_~tmp_ndt_3~0#1, eval2_~tmp~4#1;havoc eval2_~tmp~4#1; {26083#false} is VALID [2022-02-20 19:54:53,440 INFO L290 TraceCheckUtils]: 53: Hoare triple {26083#false} assume !false; {26083#false} is VALID [2022-02-20 19:54:53,440 INFO L272 TraceCheckUtils]: 54: Hoare triple {26083#false} call eval2_#t~ret19#1 := exists_runnable_thread2(); {26082#true} is VALID [2022-02-20 19:54:53,441 INFO L290 TraceCheckUtils]: 55: Hoare triple {26082#true} havoc ~__retres1~7; {26082#true} is VALID [2022-02-20 19:54:53,441 INFO L290 TraceCheckUtils]: 56: Hoare triple {26082#true} assume 0 == ~m_st~0;~__retres1~7 := 1; {26082#true} is VALID [2022-02-20 19:54:53,441 INFO L290 TraceCheckUtils]: 57: Hoare triple {26082#true} #res := ~__retres1~7; {26082#true} is VALID [2022-02-20 19:54:53,441 INFO L290 TraceCheckUtils]: 58: Hoare triple {26082#true} assume true; {26082#true} is VALID [2022-02-20 19:54:53,441 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {26082#true} {26083#false} #751#return; {26083#false} is VALID [2022-02-20 19:54:53,441 INFO L290 TraceCheckUtils]: 60: Hoare triple {26083#false} assume -2147483648 <= eval2_#t~ret19#1 && eval2_#t~ret19#1 <= 2147483647;eval2_~tmp~4#1 := eval2_#t~ret19#1;havoc eval2_#t~ret19#1; {26083#false} is VALID [2022-02-20 19:54:53,441 INFO L290 TraceCheckUtils]: 61: Hoare triple {26083#false} assume 0 != eval2_~tmp~4#1; {26083#false} is VALID [2022-02-20 19:54:53,441 INFO L290 TraceCheckUtils]: 62: Hoare triple {26083#false} assume 0 == ~m_st~0;havoc eval2_~tmp_ndt_1~0#1;assume -2147483648 <= eval2_#t~nondet20#1 && eval2_#t~nondet20#1 <= 2147483647;eval2_~tmp_ndt_1~0#1 := eval2_#t~nondet20#1;havoc eval2_#t~nondet20#1; {26083#false} is VALID [2022-02-20 19:54:53,441 INFO L290 TraceCheckUtils]: 63: Hoare triple {26083#false} assume 0 != eval2_~tmp_ndt_1~0#1;~m_st~0 := 1;assume { :begin_inline_master } true;havoc master_#t~nondet17#1, master_#t~nondet18#1, master_~tmp_var~0#1;assume -2147483648 <= master_#t~nondet17#1 && master_#t~nondet17#1 <= 2147483647;master_~tmp_var~0#1 := master_#t~nondet17#1;havoc master_#t~nondet17#1; {26083#false} is VALID [2022-02-20 19:54:53,441 INFO L290 TraceCheckUtils]: 64: Hoare triple {26083#false} assume !(0 == ~m_pc~0); {26083#false} is VALID [2022-02-20 19:54:53,442 INFO L290 TraceCheckUtils]: 65: Hoare triple {26083#false} assume 1 == ~m_pc~0; {26083#false} is VALID [2022-02-20 19:54:53,442 INFO L290 TraceCheckUtils]: 66: Hoare triple {26083#false} assume ~token~0 != 2 + ~local~0; {26083#false} is VALID [2022-02-20 19:54:53,442 INFO L272 TraceCheckUtils]: 67: Hoare triple {26083#false} call error2(); {26083#false} is VALID [2022-02-20 19:54:53,442 INFO L290 TraceCheckUtils]: 68: Hoare triple {26083#false} assume !false; {26083#false} is VALID [2022-02-20 19:54:53,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 19:54:53,442 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:54:53,442 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080428322] [2022-02-20 19:54:53,442 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080428322] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:54:53,443 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 19:54:53,443 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 19:54:53,443 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303033880] [2022-02-20 19:54:53,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:54:53,444 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 69 [2022-02-20 19:54:53,444 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:54:53,444 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:54:53,489 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:54:53,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 19:54:53,490 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:54:53,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 19:54:53,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-20 19:54:53,491 INFO L87 Difference]: Start difference. First operand 1066 states and 1447 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:54:55,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:55,551 INFO L93 Difference]: Finished difference Result 1815 states and 2569 transitions. [2022-02-20 19:54:55,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-20 19:54:55,552 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 69 [2022-02-20 19:54:55,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:54:55,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:54:55,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 766 transitions. [2022-02-20 19:54:55,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:54:55,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 766 transitions. [2022-02-20 19:54:55,561 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 766 transitions. [2022-02-20 19:54:56,048 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 766 edges. 766 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:54:56,165 INFO L225 Difference]: With dead ends: 1815 [2022-02-20 19:54:56,166 INFO L226 Difference]: Without dead ends: 1456 [2022-02-20 19:54:56,167 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-02-20 19:54:56,167 INFO L933 BasicCegarLoop]: 314 mSDtfsCounter, 585 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 867 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 598 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-20 19:54:56,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [598 Valid, 994 Invalid, 962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 867 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-20 19:54:56,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1456 states. [2022-02-20 19:54:56,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1456 to 1295. [2022-02-20 19:54:56,204 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:54:56,205 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1456 states. Second operand has 1295 states, 1117 states have (on average 1.370635631154879) internal successors, (1531), 1133 states have internal predecessors, (1531), 108 states have call successors, (108), 60 states have call predecessors, (108), 68 states have return successors, (145), 105 states have call predecessors, (145), 104 states have call successors, (145) [2022-02-20 19:54:56,207 INFO L74 IsIncluded]: Start isIncluded. First operand 1456 states. Second operand has 1295 states, 1117 states have (on average 1.370635631154879) internal successors, (1531), 1133 states have internal predecessors, (1531), 108 states have call successors, (108), 60 states have call predecessors, (108), 68 states have return successors, (145), 105 states have call predecessors, (145), 104 states have call successors, (145) [2022-02-20 19:54:56,208 INFO L87 Difference]: Start difference. First operand 1456 states. Second operand has 1295 states, 1117 states have (on average 1.370635631154879) internal successors, (1531), 1133 states have internal predecessors, (1531), 108 states have call successors, (108), 60 states have call predecessors, (108), 68 states have return successors, (145), 105 states have call predecessors, (145), 104 states have call successors, (145) [2022-02-20 19:54:56,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:56,267 INFO L93 Difference]: Finished difference Result 1456 states and 2034 transitions. [2022-02-20 19:54:56,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 2034 transitions. [2022-02-20 19:54:56,270 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:56,270 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:56,272 INFO L74 IsIncluded]: Start isIncluded. First operand has 1295 states, 1117 states have (on average 1.370635631154879) internal successors, (1531), 1133 states have internal predecessors, (1531), 108 states have call successors, (108), 60 states have call predecessors, (108), 68 states have return successors, (145), 105 states have call predecessors, (145), 104 states have call successors, (145) Second operand 1456 states. [2022-02-20 19:54:56,273 INFO L87 Difference]: Start difference. First operand has 1295 states, 1117 states have (on average 1.370635631154879) internal successors, (1531), 1133 states have internal predecessors, (1531), 108 states have call successors, (108), 60 states have call predecessors, (108), 68 states have return successors, (145), 105 states have call predecessors, (145), 104 states have call successors, (145) Second operand 1456 states. [2022-02-20 19:54:56,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:56,332 INFO L93 Difference]: Finished difference Result 1456 states and 2034 transitions. [2022-02-20 19:54:56,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 2034 transitions. [2022-02-20 19:54:56,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:56,334 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:56,334 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:54:56,335 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:54:56,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1295 states, 1117 states have (on average 1.370635631154879) internal successors, (1531), 1133 states have internal predecessors, (1531), 108 states have call successors, (108), 60 states have call predecessors, (108), 68 states have return successors, (145), 105 states have call predecessors, (145), 104 states have call successors, (145) [2022-02-20 19:54:56,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 1784 transitions. [2022-02-20 19:54:56,404 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 1784 transitions. Word has length 69 [2022-02-20 19:54:56,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:54:56,405 INFO L470 AbstractCegarLoop]: Abstraction has 1295 states and 1784 transitions. [2022-02-20 19:54:56,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:54:56,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1784 transitions. [2022-02-20 19:54:56,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-02-20 19:54:56,407 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:54:56,407 INFO L514 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] [2022-02-20 19:54:56,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-20 19:54:56,407 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting error2Err0ASSERT_VIOLATIONERROR_FUNCTION === [error1Err0ASSERT_VIOLATIONERROR_FUNCTION, error2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:54:56,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:54:56,407 INFO L85 PathProgramCache]: Analyzing trace with hash 2070803775, now seen corresponding path program 1 times [2022-02-20 19:54:56,407 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:54:56,408 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048312049] [2022-02-20 19:54:56,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:54:56,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:54:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:56,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-02-20 19:54:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:56,435 INFO L290 TraceCheckUtils]: 0: Hoare triple {33266#true} assume true; {33266#true} is VALID [2022-02-20 19:54:56,435 INFO L284 TraceCheckUtils]: 1: Hoare quadruple {33266#true} {33268#(not (= ~E_M~0 0))} #743#return; {33268#(not (= ~E_M~0 0))} is VALID [2022-02-20 19:54:56,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-20 19:54:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:56,454 INFO L290 TraceCheckUtils]: 0: Hoare triple {33312#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume !(0 == ~M_E~0); {33313#(= ~E_M~0 |old(~E_M~0)|)} is VALID [2022-02-20 19:54:56,454 INFO L290 TraceCheckUtils]: 1: Hoare triple {33313#(= ~E_M~0 |old(~E_M~0)|)} assume !(0 == ~T1_E~0); {33313#(= ~E_M~0 |old(~E_M~0)|)} is VALID [2022-02-20 19:54:56,455 INFO L290 TraceCheckUtils]: 2: Hoare triple {33313#(= ~E_M~0 |old(~E_M~0)|)} assume !(0 == ~T2_E~0); {33313#(= ~E_M~0 |old(~E_M~0)|)} is VALID [2022-02-20 19:54:56,455 INFO L290 TraceCheckUtils]: 3: Hoare triple {33313#(= ~E_M~0 |old(~E_M~0)|)} assume 0 == ~E_M~0;~E_M~0 := 1; {33314#(= |old(~E_M~0)| 0)} is VALID [2022-02-20 19:54:56,455 INFO L290 TraceCheckUtils]: 4: Hoare triple {33314#(= |old(~E_M~0)| 0)} assume 0 == ~E_1~0;~E_1~0 := 1; {33314#(= |old(~E_M~0)| 0)} is VALID [2022-02-20 19:54:56,456 INFO L290 TraceCheckUtils]: 5: Hoare triple {33314#(= |old(~E_M~0)| 0)} assume 0 == ~E_2~0;~E_2~0 := 1; {33314#(= |old(~E_M~0)| 0)} is VALID [2022-02-20 19:54:56,456 INFO L290 TraceCheckUtils]: 6: Hoare triple {33314#(= |old(~E_M~0)| 0)} assume true; {33314#(= |old(~E_M~0)| 0)} is VALID [2022-02-20 19:54:56,456 INFO L284 TraceCheckUtils]: 7: Hoare quadruple {33314#(= |old(~E_M~0)| 0)} {33268#(not (= ~E_M~0 0))} #745#return; {33267#false} is VALID [2022-02-20 19:54:56,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-02-20 19:54:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:56,472 INFO L290 TraceCheckUtils]: 0: Hoare triple {33315#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~4#1;havoc is_master_triggered_~__retres1~4#1; {33266#true} is VALID [2022-02-20 19:54:56,472 INFO L290 TraceCheckUtils]: 1: Hoare triple {33266#true} assume 1 == ~m_pc~0; {33266#true} is VALID [2022-02-20 19:54:56,472 INFO L290 TraceCheckUtils]: 2: Hoare triple {33266#true} assume 1 == ~E_M~0;is_master_triggered_~__retres1~4#1 := 1; {33266#true} is VALID [2022-02-20 19:54:56,472 INFO L290 TraceCheckUtils]: 3: Hoare triple {33266#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {33266#true} is VALID [2022-02-20 19:54:56,473 INFO L290 TraceCheckUtils]: 4: Hoare triple {33266#true} #t~ret23#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret23#1 && #t~ret23#1 <= 2147483647;~tmp~5#1 := #t~ret23#1;havoc #t~ret23#1; {33266#true} is VALID [2022-02-20 19:54:56,473 INFO L290 TraceCheckUtils]: 5: Hoare triple {33266#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {33266#true} is VALID [2022-02-20 19:54:56,473 INFO L290 TraceCheckUtils]: 6: Hoare triple {33266#true} assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~5#1;havoc is_transmit1_triggered_~__retres1~5#1; {33266#true} is VALID [2022-02-20 19:54:56,473 INFO L290 TraceCheckUtils]: 7: Hoare triple {33266#true} assume !(1 == ~t1_pc~0); {33266#true} is VALID [2022-02-20 19:54:56,473 INFO L290 TraceCheckUtils]: 8: Hoare triple {33266#true} is_transmit1_triggered_~__retres1~5#1 := 0; {33266#true} is VALID [2022-02-20 19:54:56,473 INFO L290 TraceCheckUtils]: 9: Hoare triple {33266#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {33266#true} is VALID [2022-02-20 19:54:56,473 INFO L290 TraceCheckUtils]: 10: Hoare triple {33266#true} #t~ret24#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp___0~2#1 := #t~ret24#1;havoc #t~ret24#1; {33266#true} is VALID [2022-02-20 19:54:56,473 INFO L290 TraceCheckUtils]: 11: Hoare triple {33266#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {33266#true} is VALID [2022-02-20 19:54:56,473 INFO L290 TraceCheckUtils]: 12: Hoare triple {33266#true} assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~6#1;havoc is_transmit2_triggered_~__retres1~6#1; {33266#true} is VALID [2022-02-20 19:54:56,473 INFO L290 TraceCheckUtils]: 13: Hoare triple {33266#true} assume 1 == ~t2_pc~0; {33266#true} is VALID [2022-02-20 19:54:56,474 INFO L290 TraceCheckUtils]: 14: Hoare triple {33266#true} assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~6#1 := 1; {33266#true} is VALID [2022-02-20 19:54:56,474 INFO L290 TraceCheckUtils]: 15: Hoare triple {33266#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {33266#true} is VALID [2022-02-20 19:54:56,474 INFO L290 TraceCheckUtils]: 16: Hoare triple {33266#true} #t~ret25#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___1~1#1 := #t~ret25#1;havoc #t~ret25#1; {33266#true} is VALID [2022-02-20 19:54:56,474 INFO L290 TraceCheckUtils]: 17: Hoare triple {33266#true} assume 0 != ~tmp___1~1#1;~t2_st~0 := 0; {33266#true} is VALID [2022-02-20 19:54:56,474 INFO L290 TraceCheckUtils]: 18: Hoare triple {33266#true} assume true; {33266#true} is VALID [2022-02-20 19:54:56,474 INFO L284 TraceCheckUtils]: 19: Hoare quadruple {33266#true} {33267#false} #747#return; {33267#false} is VALID [2022-02-20 19:54:56,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-02-20 19:54:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:56,478 INFO L290 TraceCheckUtils]: 0: Hoare triple {33312#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume !(1 == ~M_E~0); {33266#true} is VALID [2022-02-20 19:54:56,478 INFO L290 TraceCheckUtils]: 1: Hoare triple {33266#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {33266#true} is VALID [2022-02-20 19:54:56,478 INFO L290 TraceCheckUtils]: 2: Hoare triple {33266#true} assume !(1 == ~T2_E~0); {33266#true} is VALID [2022-02-20 19:54:56,478 INFO L290 TraceCheckUtils]: 3: Hoare triple {33266#true} assume 1 == ~E_M~0;~E_M~0 := 2; {33266#true} is VALID [2022-02-20 19:54:56,478 INFO L290 TraceCheckUtils]: 4: Hoare triple {33266#true} assume 1 == ~E_1~0;~E_1~0 := 2; {33266#true} is VALID [2022-02-20 19:54:56,478 INFO L290 TraceCheckUtils]: 5: Hoare triple {33266#true} assume 1 == ~E_2~0;~E_2~0 := 2; {33266#true} is VALID [2022-02-20 19:54:56,479 INFO L290 TraceCheckUtils]: 6: Hoare triple {33266#true} assume true; {33266#true} is VALID [2022-02-20 19:54:56,479 INFO L284 TraceCheckUtils]: 7: Hoare quadruple {33266#true} {33267#false} #749#return; {33267#false} is VALID [2022-02-20 19:54:56,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-02-20 19:54:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:56,482 INFO L290 TraceCheckUtils]: 0: Hoare triple {33266#true} havoc ~__retres1~7; {33266#true} is VALID [2022-02-20 19:54:56,483 INFO L290 TraceCheckUtils]: 1: Hoare triple {33266#true} assume 0 == ~m_st~0;~__retres1~7 := 1; {33266#true} is VALID [2022-02-20 19:54:56,483 INFO L290 TraceCheckUtils]: 2: Hoare triple {33266#true} #res := ~__retres1~7; {33266#true} is VALID [2022-02-20 19:54:56,483 INFO L290 TraceCheckUtils]: 3: Hoare triple {33266#true} assume true; {33266#true} is VALID [2022-02-20 19:54:56,483 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {33266#true} {33267#false} #751#return; {33267#false} is VALID [2022-02-20 19:54:56,484 INFO L290 TraceCheckUtils]: 0: Hoare triple {33266#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~token~0 := 0;~local~0 := 0; {33268#(not (= ~E_M~0 0))} is VALID [2022-02-20 19:54:56,484 INFO L290 TraceCheckUtils]: 1: Hoare triple {33268#(not (= ~E_M~0 0))} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1;assume -2147483648 <= main_#t~nondet29#1 && main_#t~nondet29#1 <= 2147483647; {33268#(not (= ~E_M~0 0))} is VALID [2022-02-20 19:54:56,484 INFO L290 TraceCheckUtils]: 2: Hoare triple {33268#(not (= ~E_M~0 0))} assume !(0 != main_#t~nondet29#1);havoc main_#t~nondet29#1;assume { :begin_inline_main2 } true;havoc main2_#res#1;havoc main2_~__retres1~8#1;havoc main2_~__retres1~8#1;assume { :begin_inline_init_model2 } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1; {33268#(not (= ~E_M~0 0))} is VALID [2022-02-20 19:54:56,485 INFO L290 TraceCheckUtils]: 3: Hoare triple {33268#(not (= ~E_M~0 0))} assume { :end_inline_init_model2 } true;assume { :begin_inline_start_simulation2 } true;havoc start_simulation2_#t~ret27#1, start_simulation2_#t~ret28#1, start_simulation2_~kernel_st~1#1, start_simulation2_~tmp~7#1, start_simulation2_~tmp___0~3#1;havoc start_simulation2_~kernel_st~1#1;havoc start_simulation2_~tmp~7#1;havoc start_simulation2_~tmp___0~3#1;start_simulation2_~kernel_st~1#1 := 0; {33268#(not (= ~E_M~0 0))} is VALID [2022-02-20 19:54:56,485 INFO L272 TraceCheckUtils]: 4: Hoare triple {33268#(not (= ~E_M~0 0))} call update_channels2(); {33266#true} is VALID [2022-02-20 19:54:56,485 INFO L290 TraceCheckUtils]: 5: Hoare triple {33266#true} assume true; {33266#true} is VALID [2022-02-20 19:54:56,485 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {33266#true} {33268#(not (= ~E_M~0 0))} #743#return; {33268#(not (= ~E_M~0 0))} is VALID [2022-02-20 19:54:56,485 INFO L290 TraceCheckUtils]: 7: Hoare triple {33268#(not (= ~E_M~0 0))} assume { :begin_inline_init_threads2 } true; {33268#(not (= ~E_M~0 0))} is VALID [2022-02-20 19:54:56,486 INFO L290 TraceCheckUtils]: 8: Hoare triple {33268#(not (= ~E_M~0 0))} assume 1 == ~m_i~0;~m_st~0 := 0; {33268#(not (= ~E_M~0 0))} is VALID [2022-02-20 19:54:56,486 INFO L290 TraceCheckUtils]: 9: Hoare triple {33268#(not (= ~E_M~0 0))} assume 1 == ~t1_i~0;~t1_st~0 := 0; {33268#(not (= ~E_M~0 0))} is VALID [2022-02-20 19:54:56,486 INFO L290 TraceCheckUtils]: 10: Hoare triple {33268#(not (= ~E_M~0 0))} assume 1 == ~t2_i~0;~t2_st~0 := 0; {33268#(not (= ~E_M~0 0))} is VALID [2022-02-20 19:54:56,499 INFO L290 TraceCheckUtils]: 11: Hoare triple {33268#(not (= ~E_M~0 0))} assume { :end_inline_init_threads2 } true; {33268#(not (= ~E_M~0 0))} is VALID [2022-02-20 19:54:56,500 INFO L272 TraceCheckUtils]: 12: Hoare triple {33268#(not (= ~E_M~0 0))} call fire_delta_events2(); {33312#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} is VALID [2022-02-20 19:54:56,500 INFO L290 TraceCheckUtils]: 13: Hoare triple {33312#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume !(0 == ~M_E~0); {33313#(= ~E_M~0 |old(~E_M~0)|)} is VALID [2022-02-20 19:54:56,501 INFO L290 TraceCheckUtils]: 14: Hoare triple {33313#(= ~E_M~0 |old(~E_M~0)|)} assume !(0 == ~T1_E~0); {33313#(= ~E_M~0 |old(~E_M~0)|)} is VALID [2022-02-20 19:54:56,501 INFO L290 TraceCheckUtils]: 15: Hoare triple {33313#(= ~E_M~0 |old(~E_M~0)|)} assume !(0 == ~T2_E~0); {33313#(= ~E_M~0 |old(~E_M~0)|)} is VALID [2022-02-20 19:54:56,501 INFO L290 TraceCheckUtils]: 16: Hoare triple {33313#(= ~E_M~0 |old(~E_M~0)|)} assume 0 == ~E_M~0;~E_M~0 := 1; {33314#(= |old(~E_M~0)| 0)} is VALID [2022-02-20 19:54:56,502 INFO L290 TraceCheckUtils]: 17: Hoare triple {33314#(= |old(~E_M~0)| 0)} assume 0 == ~E_1~0;~E_1~0 := 1; {33314#(= |old(~E_M~0)| 0)} is VALID [2022-02-20 19:54:56,502 INFO L290 TraceCheckUtils]: 18: Hoare triple {33314#(= |old(~E_M~0)| 0)} assume 0 == ~E_2~0;~E_2~0 := 1; {33314#(= |old(~E_M~0)| 0)} is VALID [2022-02-20 19:54:56,502 INFO L290 TraceCheckUtils]: 19: Hoare triple {33314#(= |old(~E_M~0)| 0)} assume true; {33314#(= |old(~E_M~0)| 0)} is VALID [2022-02-20 19:54:56,503 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {33314#(= |old(~E_M~0)| 0)} {33268#(not (= ~E_M~0 0))} #745#return; {33267#false} is VALID [2022-02-20 19:54:56,503 INFO L272 TraceCheckUtils]: 21: Hoare triple {33267#false} call activate_threads2(); {33315#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} is VALID [2022-02-20 19:54:56,503 INFO L290 TraceCheckUtils]: 22: Hoare triple {33315#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~4#1;havoc is_master_triggered_~__retres1~4#1; {33266#true} is VALID [2022-02-20 19:54:56,503 INFO L290 TraceCheckUtils]: 23: Hoare triple {33266#true} assume 1 == ~m_pc~0; {33266#true} is VALID [2022-02-20 19:54:56,503 INFO L290 TraceCheckUtils]: 24: Hoare triple {33266#true} assume 1 == ~E_M~0;is_master_triggered_~__retres1~4#1 := 1; {33266#true} is VALID [2022-02-20 19:54:56,503 INFO L290 TraceCheckUtils]: 25: Hoare triple {33266#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {33266#true} is VALID [2022-02-20 19:54:56,503 INFO L290 TraceCheckUtils]: 26: Hoare triple {33266#true} #t~ret23#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret23#1 && #t~ret23#1 <= 2147483647;~tmp~5#1 := #t~ret23#1;havoc #t~ret23#1; {33266#true} is VALID [2022-02-20 19:54:56,503 INFO L290 TraceCheckUtils]: 27: Hoare triple {33266#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {33266#true} is VALID [2022-02-20 19:54:56,504 INFO L290 TraceCheckUtils]: 28: Hoare triple {33266#true} assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~5#1;havoc is_transmit1_triggered_~__retres1~5#1; {33266#true} is VALID [2022-02-20 19:54:56,504 INFO L290 TraceCheckUtils]: 29: Hoare triple {33266#true} assume !(1 == ~t1_pc~0); {33266#true} is VALID [2022-02-20 19:54:56,504 INFO L290 TraceCheckUtils]: 30: Hoare triple {33266#true} is_transmit1_triggered_~__retres1~5#1 := 0; {33266#true} is VALID [2022-02-20 19:54:56,504 INFO L290 TraceCheckUtils]: 31: Hoare triple {33266#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {33266#true} is VALID [2022-02-20 19:54:56,504 INFO L290 TraceCheckUtils]: 32: Hoare triple {33266#true} #t~ret24#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp___0~2#1 := #t~ret24#1;havoc #t~ret24#1; {33266#true} is VALID [2022-02-20 19:54:56,504 INFO L290 TraceCheckUtils]: 33: Hoare triple {33266#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {33266#true} is VALID [2022-02-20 19:54:56,504 INFO L290 TraceCheckUtils]: 34: Hoare triple {33266#true} assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~6#1;havoc is_transmit2_triggered_~__retres1~6#1; {33266#true} is VALID [2022-02-20 19:54:56,504 INFO L290 TraceCheckUtils]: 35: Hoare triple {33266#true} assume 1 == ~t2_pc~0; {33266#true} is VALID [2022-02-20 19:54:56,504 INFO L290 TraceCheckUtils]: 36: Hoare triple {33266#true} assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~6#1 := 1; {33266#true} is VALID [2022-02-20 19:54:56,505 INFO L290 TraceCheckUtils]: 37: Hoare triple {33266#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {33266#true} is VALID [2022-02-20 19:54:56,505 INFO L290 TraceCheckUtils]: 38: Hoare triple {33266#true} #t~ret25#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___1~1#1 := #t~ret25#1;havoc #t~ret25#1; {33266#true} is VALID [2022-02-20 19:54:56,505 INFO L290 TraceCheckUtils]: 39: Hoare triple {33266#true} assume 0 != ~tmp___1~1#1;~t2_st~0 := 0; {33266#true} is VALID [2022-02-20 19:54:56,505 INFO L290 TraceCheckUtils]: 40: Hoare triple {33266#true} assume true; {33266#true} is VALID [2022-02-20 19:54:56,505 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {33266#true} {33267#false} #747#return; {33267#false} is VALID [2022-02-20 19:54:56,505 INFO L272 TraceCheckUtils]: 42: Hoare triple {33267#false} call reset_delta_events2(); {33312#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} is VALID [2022-02-20 19:54:56,505 INFO L290 TraceCheckUtils]: 43: Hoare triple {33312#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume !(1 == ~M_E~0); {33266#true} is VALID [2022-02-20 19:54:56,505 INFO L290 TraceCheckUtils]: 44: Hoare triple {33266#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {33266#true} is VALID [2022-02-20 19:54:56,505 INFO L290 TraceCheckUtils]: 45: Hoare triple {33266#true} assume !(1 == ~T2_E~0); {33266#true} is VALID [2022-02-20 19:54:56,505 INFO L290 TraceCheckUtils]: 46: Hoare triple {33266#true} assume 1 == ~E_M~0;~E_M~0 := 2; {33266#true} is VALID [2022-02-20 19:54:56,506 INFO L290 TraceCheckUtils]: 47: Hoare triple {33266#true} assume 1 == ~E_1~0;~E_1~0 := 2; {33266#true} is VALID [2022-02-20 19:54:56,506 INFO L290 TraceCheckUtils]: 48: Hoare triple {33266#true} assume 1 == ~E_2~0;~E_2~0 := 2; {33266#true} is VALID [2022-02-20 19:54:56,506 INFO L290 TraceCheckUtils]: 49: Hoare triple {33266#true} assume true; {33266#true} is VALID [2022-02-20 19:54:56,509 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {33266#true} {33267#false} #749#return; {33267#false} is VALID [2022-02-20 19:54:56,512 INFO L290 TraceCheckUtils]: 51: Hoare triple {33267#false} assume !false; {33267#false} is VALID [2022-02-20 19:54:56,512 INFO L290 TraceCheckUtils]: 52: Hoare triple {33267#false} start_simulation2_~kernel_st~1#1 := 1;assume { :begin_inline_eval2 } true;havoc eval2_#t~ret19#1, eval2_#t~nondet20#1, eval2_~tmp_ndt_1~0#1, eval2_#t~nondet21#1, eval2_~tmp_ndt_2~0#1, eval2_#t~nondet22#1, eval2_~tmp_ndt_3~0#1, eval2_~tmp~4#1;havoc eval2_~tmp~4#1; {33267#false} is VALID [2022-02-20 19:54:56,512 INFO L290 TraceCheckUtils]: 53: Hoare triple {33267#false} assume !false; {33267#false} is VALID [2022-02-20 19:54:56,512 INFO L272 TraceCheckUtils]: 54: Hoare triple {33267#false} call eval2_#t~ret19#1 := exists_runnable_thread2(); {33266#true} is VALID [2022-02-20 19:54:56,512 INFO L290 TraceCheckUtils]: 55: Hoare triple {33266#true} havoc ~__retres1~7; {33266#true} is VALID [2022-02-20 19:54:56,512 INFO L290 TraceCheckUtils]: 56: Hoare triple {33266#true} assume 0 == ~m_st~0;~__retres1~7 := 1; {33266#true} is VALID [2022-02-20 19:54:56,512 INFO L290 TraceCheckUtils]: 57: Hoare triple {33266#true} #res := ~__retres1~7; {33266#true} is VALID [2022-02-20 19:54:56,512 INFO L290 TraceCheckUtils]: 58: Hoare triple {33266#true} assume true; {33266#true} is VALID [2022-02-20 19:54:56,513 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {33266#true} {33267#false} #751#return; {33267#false} is VALID [2022-02-20 19:54:56,513 INFO L290 TraceCheckUtils]: 60: Hoare triple {33267#false} assume -2147483648 <= eval2_#t~ret19#1 && eval2_#t~ret19#1 <= 2147483647;eval2_~tmp~4#1 := eval2_#t~ret19#1;havoc eval2_#t~ret19#1; {33267#false} is VALID [2022-02-20 19:54:56,513 INFO L290 TraceCheckUtils]: 61: Hoare triple {33267#false} assume 0 != eval2_~tmp~4#1; {33267#false} is VALID [2022-02-20 19:54:56,513 INFO L290 TraceCheckUtils]: 62: Hoare triple {33267#false} assume 0 == ~m_st~0;havoc eval2_~tmp_ndt_1~0#1;assume -2147483648 <= eval2_#t~nondet20#1 && eval2_#t~nondet20#1 <= 2147483647;eval2_~tmp_ndt_1~0#1 := eval2_#t~nondet20#1;havoc eval2_#t~nondet20#1; {33267#false} is VALID [2022-02-20 19:54:56,513 INFO L290 TraceCheckUtils]: 63: Hoare triple {33267#false} assume 0 != eval2_~tmp_ndt_1~0#1;~m_st~0 := 1;assume { :begin_inline_master } true;havoc master_#t~nondet17#1, master_#t~nondet18#1, master_~tmp_var~0#1;assume -2147483648 <= master_#t~nondet17#1 && master_#t~nondet17#1 <= 2147483647;master_~tmp_var~0#1 := master_#t~nondet17#1;havoc master_#t~nondet17#1; {33267#false} is VALID [2022-02-20 19:54:56,513 INFO L290 TraceCheckUtils]: 64: Hoare triple {33267#false} assume !(0 == ~m_pc~0); {33267#false} is VALID [2022-02-20 19:54:56,513 INFO L290 TraceCheckUtils]: 65: Hoare triple {33267#false} assume 1 == ~m_pc~0; {33267#false} is VALID [2022-02-20 19:54:56,513 INFO L290 TraceCheckUtils]: 66: Hoare triple {33267#false} assume ~token~0 != 2 + ~local~0; {33267#false} is VALID [2022-02-20 19:54:56,514 INFO L272 TraceCheckUtils]: 67: Hoare triple {33267#false} call error2(); {33267#false} is VALID [2022-02-20 19:54:56,514 INFO L290 TraceCheckUtils]: 68: Hoare triple {33267#false} assume !false; {33267#false} is VALID [2022-02-20 19:54:56,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 19:54:56,514 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:54:56,514 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048312049] [2022-02-20 19:54:56,514 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048312049] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:54:56,514 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 19:54:56,514 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 19:54:56,515 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049860250] [2022-02-20 19:54:56,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:54:56,515 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 69 [2022-02-20 19:54:56,515 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:54:56,516 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:54:56,556 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:54:56,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 19:54:56,557 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:54:56,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 19:54:56,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-20 19:54:56,557 INFO L87 Difference]: Start difference. First operand 1295 states and 1784 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:54:57,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:57,944 INFO L93 Difference]: Finished difference Result 2032 states and 2897 transitions. [2022-02-20 19:54:57,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 19:54:57,945 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 69 [2022-02-20 19:54:57,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:54:57,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:54:57,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 536 transitions. [2022-02-20 19:54:57,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:54:57,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 536 transitions. [2022-02-20 19:54:57,950 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 536 transitions. [2022-02-20 19:54:58,275 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 536 edges. 536 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:54:58,365 INFO L225 Difference]: With dead ends: 2032 [2022-02-20 19:54:58,365 INFO L226 Difference]: Without dead ends: 1444 [2022-02-20 19:54:58,366 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-02-20 19:54:58,369 INFO L933 BasicCegarLoop]: 267 mSDtfsCounter, 458 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 472 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-20 19:54:58,369 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [472 Valid, 811 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-20 19:54:58,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1444 states. [2022-02-20 19:54:58,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1444 to 1295. [2022-02-20 19:54:58,415 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:54:58,417 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1444 states. Second operand has 1295 states, 1117 states have (on average 1.3661593554162936) internal successors, (1526), 1133 states have internal predecessors, (1526), 108 states have call successors, (108), 60 states have call predecessors, (108), 68 states have return successors, (145), 105 states have call predecessors, (145), 104 states have call successors, (145) [2022-02-20 19:54:58,418 INFO L74 IsIncluded]: Start isIncluded. First operand 1444 states. Second operand has 1295 states, 1117 states have (on average 1.3661593554162936) internal successors, (1526), 1133 states have internal predecessors, (1526), 108 states have call successors, (108), 60 states have call predecessors, (108), 68 states have return successors, (145), 105 states have call predecessors, (145), 104 states have call successors, (145) [2022-02-20 19:54:58,419 INFO L87 Difference]: Start difference. First operand 1444 states. Second operand has 1295 states, 1117 states have (on average 1.3661593554162936) internal successors, (1526), 1133 states have internal predecessors, (1526), 108 states have call successors, (108), 60 states have call predecessors, (108), 68 states have return successors, (145), 105 states have call predecessors, (145), 104 states have call successors, (145) [2022-02-20 19:54:58,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:58,474 INFO L93 Difference]: Finished difference Result 1444 states and 2016 transitions. [2022-02-20 19:54:58,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 2016 transitions. [2022-02-20 19:54:58,479 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:58,479 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:58,481 INFO L74 IsIncluded]: Start isIncluded. First operand has 1295 states, 1117 states have (on average 1.3661593554162936) internal successors, (1526), 1133 states have internal predecessors, (1526), 108 states have call successors, (108), 60 states have call predecessors, (108), 68 states have return successors, (145), 105 states have call predecessors, (145), 104 states have call successors, (145) Second operand 1444 states. [2022-02-20 19:54:58,482 INFO L87 Difference]: Start difference. First operand has 1295 states, 1117 states have (on average 1.3661593554162936) internal successors, (1526), 1133 states have internal predecessors, (1526), 108 states have call successors, (108), 60 states have call predecessors, (108), 68 states have return successors, (145), 105 states have call predecessors, (145), 104 states have call successors, (145) Second operand 1444 states. [2022-02-20 19:54:58,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:58,542 INFO L93 Difference]: Finished difference Result 1444 states and 2016 transitions. [2022-02-20 19:54:58,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 2016 transitions. [2022-02-20 19:54:58,544 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:58,545 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:58,545 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:54:58,545 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:54:58,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1295 states, 1117 states have (on average 1.3661593554162936) internal successors, (1526), 1133 states have internal predecessors, (1526), 108 states have call successors, (108), 60 states have call predecessors, (108), 68 states have return successors, (145), 105 states have call predecessors, (145), 104 states have call successors, (145) [2022-02-20 19:54:58,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 1779 transitions. [2022-02-20 19:54:58,622 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 1779 transitions. Word has length 69 [2022-02-20 19:54:58,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:54:58,622 INFO L470 AbstractCegarLoop]: Abstraction has 1295 states and 1779 transitions. [2022-02-20 19:54:58,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:54:58,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1779 transitions. [2022-02-20 19:54:58,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-02-20 19:54:58,626 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:54:58,626 INFO L514 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] [2022-02-20 19:54:58,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-20 19:54:58,626 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting error2Err0ASSERT_VIOLATIONERROR_FUNCTION === [error1Err0ASSERT_VIOLATIONERROR_FUNCTION, error2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:54:58,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:54:58,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1780262847, now seen corresponding path program 1 times [2022-02-20 19:54:58,627 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:54:58,627 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309798735] [2022-02-20 19:54:58,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:54:58,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:54:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:58,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-02-20 19:54:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:58,661 INFO L290 TraceCheckUtils]: 0: Hoare triple {40703#true} assume true; {40703#true} is VALID [2022-02-20 19:54:58,662 INFO L284 TraceCheckUtils]: 1: Hoare quadruple {40703#true} {40705#(= ~E_1~0 ~M_E~0)} #743#return; {40705#(= ~E_1~0 ~M_E~0)} is VALID [2022-02-20 19:54:58,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-20 19:54:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:58,685 INFO L290 TraceCheckUtils]: 0: Hoare triple {40749#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume !(0 == ~M_E~0); {40750#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:54:58,685 INFO L290 TraceCheckUtils]: 1: Hoare triple {40750#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~T1_E~0); {40750#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:54:58,685 INFO L290 TraceCheckUtils]: 2: Hoare triple {40750#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~T2_E~0); {40750#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:54:58,686 INFO L290 TraceCheckUtils]: 3: Hoare triple {40750#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~E_M~0); {40750#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:54:58,686 INFO L290 TraceCheckUtils]: 4: Hoare triple {40750#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} assume 0 == ~E_1~0;~E_1~0 := 1; {40751#(not (= |old(~E_1~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:54:58,686 INFO L290 TraceCheckUtils]: 5: Hoare triple {40751#(not (= |old(~E_1~0)| |old(~M_E~0)|))} assume 0 == ~E_2~0;~E_2~0 := 1; {40751#(not (= |old(~E_1~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:54:58,687 INFO L290 TraceCheckUtils]: 6: Hoare triple {40751#(not (= |old(~E_1~0)| |old(~M_E~0)|))} assume true; {40751#(not (= |old(~E_1~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:54:58,687 INFO L284 TraceCheckUtils]: 7: Hoare quadruple {40751#(not (= |old(~E_1~0)| |old(~M_E~0)|))} {40705#(= ~E_1~0 ~M_E~0)} #745#return; {40704#false} is VALID [2022-02-20 19:54:58,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-02-20 19:54:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:58,700 INFO L290 TraceCheckUtils]: 0: Hoare triple {40752#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~4#1;havoc is_master_triggered_~__retres1~4#1; {40703#true} is VALID [2022-02-20 19:54:58,701 INFO L290 TraceCheckUtils]: 1: Hoare triple {40703#true} assume 1 == ~m_pc~0; {40703#true} is VALID [2022-02-20 19:54:58,701 INFO L290 TraceCheckUtils]: 2: Hoare triple {40703#true} assume 1 == ~E_M~0;is_master_triggered_~__retres1~4#1 := 1; {40703#true} is VALID [2022-02-20 19:54:58,701 INFO L290 TraceCheckUtils]: 3: Hoare triple {40703#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {40703#true} is VALID [2022-02-20 19:54:58,701 INFO L290 TraceCheckUtils]: 4: Hoare triple {40703#true} #t~ret23#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret23#1 && #t~ret23#1 <= 2147483647;~tmp~5#1 := #t~ret23#1;havoc #t~ret23#1; {40703#true} is VALID [2022-02-20 19:54:58,701 INFO L290 TraceCheckUtils]: 5: Hoare triple {40703#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {40703#true} is VALID [2022-02-20 19:54:58,701 INFO L290 TraceCheckUtils]: 6: Hoare triple {40703#true} assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~5#1;havoc is_transmit1_triggered_~__retres1~5#1; {40703#true} is VALID [2022-02-20 19:54:58,701 INFO L290 TraceCheckUtils]: 7: Hoare triple {40703#true} assume !(1 == ~t1_pc~0); {40703#true} is VALID [2022-02-20 19:54:58,701 INFO L290 TraceCheckUtils]: 8: Hoare triple {40703#true} is_transmit1_triggered_~__retres1~5#1 := 0; {40703#true} is VALID [2022-02-20 19:54:58,702 INFO L290 TraceCheckUtils]: 9: Hoare triple {40703#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {40703#true} is VALID [2022-02-20 19:54:58,702 INFO L290 TraceCheckUtils]: 10: Hoare triple {40703#true} #t~ret24#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp___0~2#1 := #t~ret24#1;havoc #t~ret24#1; {40703#true} is VALID [2022-02-20 19:54:58,702 INFO L290 TraceCheckUtils]: 11: Hoare triple {40703#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {40703#true} is VALID [2022-02-20 19:54:58,702 INFO L290 TraceCheckUtils]: 12: Hoare triple {40703#true} assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~6#1;havoc is_transmit2_triggered_~__retres1~6#1; {40703#true} is VALID [2022-02-20 19:54:58,702 INFO L290 TraceCheckUtils]: 13: Hoare triple {40703#true} assume 1 == ~t2_pc~0; {40703#true} is VALID [2022-02-20 19:54:58,702 INFO L290 TraceCheckUtils]: 14: Hoare triple {40703#true} assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~6#1 := 1; {40703#true} is VALID [2022-02-20 19:54:58,702 INFO L290 TraceCheckUtils]: 15: Hoare triple {40703#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {40703#true} is VALID [2022-02-20 19:54:58,702 INFO L290 TraceCheckUtils]: 16: Hoare triple {40703#true} #t~ret25#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___1~1#1 := #t~ret25#1;havoc #t~ret25#1; {40703#true} is VALID [2022-02-20 19:54:58,702 INFO L290 TraceCheckUtils]: 17: Hoare triple {40703#true} assume 0 != ~tmp___1~1#1;~t2_st~0 := 0; {40703#true} is VALID [2022-02-20 19:54:58,703 INFO L290 TraceCheckUtils]: 18: Hoare triple {40703#true} assume true; {40703#true} is VALID [2022-02-20 19:54:58,703 INFO L284 TraceCheckUtils]: 19: Hoare quadruple {40703#true} {40704#false} #747#return; {40704#false} is VALID [2022-02-20 19:54:58,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-02-20 19:54:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:58,706 INFO L290 TraceCheckUtils]: 0: Hoare triple {40749#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume !(1 == ~M_E~0); {40703#true} is VALID [2022-02-20 19:54:58,706 INFO L290 TraceCheckUtils]: 1: Hoare triple {40703#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {40703#true} is VALID [2022-02-20 19:54:58,706 INFO L290 TraceCheckUtils]: 2: Hoare triple {40703#true} assume !(1 == ~T2_E~0); {40703#true} is VALID [2022-02-20 19:54:58,706 INFO L290 TraceCheckUtils]: 3: Hoare triple {40703#true} assume 1 == ~E_M~0;~E_M~0 := 2; {40703#true} is VALID [2022-02-20 19:54:58,707 INFO L290 TraceCheckUtils]: 4: Hoare triple {40703#true} assume 1 == ~E_1~0;~E_1~0 := 2; {40703#true} is VALID [2022-02-20 19:54:58,707 INFO L290 TraceCheckUtils]: 5: Hoare triple {40703#true} assume 1 == ~E_2~0;~E_2~0 := 2; {40703#true} is VALID [2022-02-20 19:54:58,707 INFO L290 TraceCheckUtils]: 6: Hoare triple {40703#true} assume true; {40703#true} is VALID [2022-02-20 19:54:58,707 INFO L284 TraceCheckUtils]: 7: Hoare quadruple {40703#true} {40704#false} #749#return; {40704#false} is VALID [2022-02-20 19:54:58,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-02-20 19:54:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:58,710 INFO L290 TraceCheckUtils]: 0: Hoare triple {40703#true} havoc ~__retres1~7; {40703#true} is VALID [2022-02-20 19:54:58,710 INFO L290 TraceCheckUtils]: 1: Hoare triple {40703#true} assume 0 == ~m_st~0;~__retres1~7 := 1; {40703#true} is VALID [2022-02-20 19:54:58,710 INFO L290 TraceCheckUtils]: 2: Hoare triple {40703#true} #res := ~__retres1~7; {40703#true} is VALID [2022-02-20 19:54:58,710 INFO L290 TraceCheckUtils]: 3: Hoare triple {40703#true} assume true; {40703#true} is VALID [2022-02-20 19:54:58,710 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {40703#true} {40704#false} #751#return; {40704#false} is VALID [2022-02-20 19:54:58,711 INFO L290 TraceCheckUtils]: 0: Hoare triple {40703#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~token~0 := 0;~local~0 := 0; {40705#(= ~E_1~0 ~M_E~0)} is VALID [2022-02-20 19:54:58,711 INFO L290 TraceCheckUtils]: 1: Hoare triple {40705#(= ~E_1~0 ~M_E~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1;assume -2147483648 <= main_#t~nondet29#1 && main_#t~nondet29#1 <= 2147483647; {40705#(= ~E_1~0 ~M_E~0)} is VALID [2022-02-20 19:54:58,711 INFO L290 TraceCheckUtils]: 2: Hoare triple {40705#(= ~E_1~0 ~M_E~0)} assume !(0 != main_#t~nondet29#1);havoc main_#t~nondet29#1;assume { :begin_inline_main2 } true;havoc main2_#res#1;havoc main2_~__retres1~8#1;havoc main2_~__retres1~8#1;assume { :begin_inline_init_model2 } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1; {40705#(= ~E_1~0 ~M_E~0)} is VALID [2022-02-20 19:54:58,712 INFO L290 TraceCheckUtils]: 3: Hoare triple {40705#(= ~E_1~0 ~M_E~0)} assume { :end_inline_init_model2 } true;assume { :begin_inline_start_simulation2 } true;havoc start_simulation2_#t~ret27#1, start_simulation2_#t~ret28#1, start_simulation2_~kernel_st~1#1, start_simulation2_~tmp~7#1, start_simulation2_~tmp___0~3#1;havoc start_simulation2_~kernel_st~1#1;havoc start_simulation2_~tmp~7#1;havoc start_simulation2_~tmp___0~3#1;start_simulation2_~kernel_st~1#1 := 0; {40705#(= ~E_1~0 ~M_E~0)} is VALID [2022-02-20 19:54:58,712 INFO L272 TraceCheckUtils]: 4: Hoare triple {40705#(= ~E_1~0 ~M_E~0)} call update_channels2(); {40703#true} is VALID [2022-02-20 19:54:58,712 INFO L290 TraceCheckUtils]: 5: Hoare triple {40703#true} assume true; {40703#true} is VALID [2022-02-20 19:54:58,712 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {40703#true} {40705#(= ~E_1~0 ~M_E~0)} #743#return; {40705#(= ~E_1~0 ~M_E~0)} is VALID [2022-02-20 19:54:58,713 INFO L290 TraceCheckUtils]: 7: Hoare triple {40705#(= ~E_1~0 ~M_E~0)} assume { :begin_inline_init_threads2 } true; {40705#(= ~E_1~0 ~M_E~0)} is VALID [2022-02-20 19:54:58,713 INFO L290 TraceCheckUtils]: 8: Hoare triple {40705#(= ~E_1~0 ~M_E~0)} assume 1 == ~m_i~0;~m_st~0 := 0; {40705#(= ~E_1~0 ~M_E~0)} is VALID [2022-02-20 19:54:58,713 INFO L290 TraceCheckUtils]: 9: Hoare triple {40705#(= ~E_1~0 ~M_E~0)} assume 1 == ~t1_i~0;~t1_st~0 := 0; {40705#(= ~E_1~0 ~M_E~0)} is VALID [2022-02-20 19:54:58,713 INFO L290 TraceCheckUtils]: 10: Hoare triple {40705#(= ~E_1~0 ~M_E~0)} assume 1 == ~t2_i~0;~t2_st~0 := 0; {40705#(= ~E_1~0 ~M_E~0)} is VALID [2022-02-20 19:54:58,714 INFO L290 TraceCheckUtils]: 11: Hoare triple {40705#(= ~E_1~0 ~M_E~0)} assume { :end_inline_init_threads2 } true; {40705#(= ~E_1~0 ~M_E~0)} is VALID [2022-02-20 19:54:58,714 INFO L272 TraceCheckUtils]: 12: Hoare triple {40705#(= ~E_1~0 ~M_E~0)} call fire_delta_events2(); {40749#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} is VALID [2022-02-20 19:54:58,714 INFO L290 TraceCheckUtils]: 13: Hoare triple {40749#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume !(0 == ~M_E~0); {40750#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:54:58,715 INFO L290 TraceCheckUtils]: 14: Hoare triple {40750#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~T1_E~0); {40750#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:54:58,715 INFO L290 TraceCheckUtils]: 15: Hoare triple {40750#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~T2_E~0); {40750#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:54:58,715 INFO L290 TraceCheckUtils]: 16: Hoare triple {40750#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~E_M~0); {40750#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:54:58,716 INFO L290 TraceCheckUtils]: 17: Hoare triple {40750#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} assume 0 == ~E_1~0;~E_1~0 := 1; {40751#(not (= |old(~E_1~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:54:58,716 INFO L290 TraceCheckUtils]: 18: Hoare triple {40751#(not (= |old(~E_1~0)| |old(~M_E~0)|))} assume 0 == ~E_2~0;~E_2~0 := 1; {40751#(not (= |old(~E_1~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:54:58,716 INFO L290 TraceCheckUtils]: 19: Hoare triple {40751#(not (= |old(~E_1~0)| |old(~M_E~0)|))} assume true; {40751#(not (= |old(~E_1~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:54:58,717 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {40751#(not (= |old(~E_1~0)| |old(~M_E~0)|))} {40705#(= ~E_1~0 ~M_E~0)} #745#return; {40704#false} is VALID [2022-02-20 19:54:58,717 INFO L272 TraceCheckUtils]: 21: Hoare triple {40704#false} call activate_threads2(); {40752#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} is VALID [2022-02-20 19:54:58,717 INFO L290 TraceCheckUtils]: 22: Hoare triple {40752#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~4#1;havoc is_master_triggered_~__retres1~4#1; {40703#true} is VALID [2022-02-20 19:54:58,717 INFO L290 TraceCheckUtils]: 23: Hoare triple {40703#true} assume 1 == ~m_pc~0; {40703#true} is VALID [2022-02-20 19:54:58,717 INFO L290 TraceCheckUtils]: 24: Hoare triple {40703#true} assume 1 == ~E_M~0;is_master_triggered_~__retres1~4#1 := 1; {40703#true} is VALID [2022-02-20 19:54:58,717 INFO L290 TraceCheckUtils]: 25: Hoare triple {40703#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {40703#true} is VALID [2022-02-20 19:54:58,717 INFO L290 TraceCheckUtils]: 26: Hoare triple {40703#true} #t~ret23#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret23#1 && #t~ret23#1 <= 2147483647;~tmp~5#1 := #t~ret23#1;havoc #t~ret23#1; {40703#true} is VALID [2022-02-20 19:54:58,717 INFO L290 TraceCheckUtils]: 27: Hoare triple {40703#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {40703#true} is VALID [2022-02-20 19:54:58,717 INFO L290 TraceCheckUtils]: 28: Hoare triple {40703#true} assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~5#1;havoc is_transmit1_triggered_~__retres1~5#1; {40703#true} is VALID [2022-02-20 19:54:58,718 INFO L290 TraceCheckUtils]: 29: Hoare triple {40703#true} assume !(1 == ~t1_pc~0); {40703#true} is VALID [2022-02-20 19:54:58,718 INFO L290 TraceCheckUtils]: 30: Hoare triple {40703#true} is_transmit1_triggered_~__retres1~5#1 := 0; {40703#true} is VALID [2022-02-20 19:54:58,718 INFO L290 TraceCheckUtils]: 31: Hoare triple {40703#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {40703#true} is VALID [2022-02-20 19:54:58,718 INFO L290 TraceCheckUtils]: 32: Hoare triple {40703#true} #t~ret24#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp___0~2#1 := #t~ret24#1;havoc #t~ret24#1; {40703#true} is VALID [2022-02-20 19:54:58,718 INFO L290 TraceCheckUtils]: 33: Hoare triple {40703#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {40703#true} is VALID [2022-02-20 19:54:58,718 INFO L290 TraceCheckUtils]: 34: Hoare triple {40703#true} assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~6#1;havoc is_transmit2_triggered_~__retres1~6#1; {40703#true} is VALID [2022-02-20 19:54:58,718 INFO L290 TraceCheckUtils]: 35: Hoare triple {40703#true} assume 1 == ~t2_pc~0; {40703#true} is VALID [2022-02-20 19:54:58,718 INFO L290 TraceCheckUtils]: 36: Hoare triple {40703#true} assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~6#1 := 1; {40703#true} is VALID [2022-02-20 19:54:58,718 INFO L290 TraceCheckUtils]: 37: Hoare triple {40703#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {40703#true} is VALID [2022-02-20 19:54:58,718 INFO L290 TraceCheckUtils]: 38: Hoare triple {40703#true} #t~ret25#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___1~1#1 := #t~ret25#1;havoc #t~ret25#1; {40703#true} is VALID [2022-02-20 19:54:58,719 INFO L290 TraceCheckUtils]: 39: Hoare triple {40703#true} assume 0 != ~tmp___1~1#1;~t2_st~0 := 0; {40703#true} is VALID [2022-02-20 19:54:58,719 INFO L290 TraceCheckUtils]: 40: Hoare triple {40703#true} assume true; {40703#true} is VALID [2022-02-20 19:54:58,719 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {40703#true} {40704#false} #747#return; {40704#false} is VALID [2022-02-20 19:54:58,719 INFO L272 TraceCheckUtils]: 42: Hoare triple {40704#false} call reset_delta_events2(); {40749#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} is VALID [2022-02-20 19:54:58,719 INFO L290 TraceCheckUtils]: 43: Hoare triple {40749#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume !(1 == ~M_E~0); {40703#true} is VALID [2022-02-20 19:54:58,719 INFO L290 TraceCheckUtils]: 44: Hoare triple {40703#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {40703#true} is VALID [2022-02-20 19:54:58,719 INFO L290 TraceCheckUtils]: 45: Hoare triple {40703#true} assume !(1 == ~T2_E~0); {40703#true} is VALID [2022-02-20 19:54:58,719 INFO L290 TraceCheckUtils]: 46: Hoare triple {40703#true} assume 1 == ~E_M~0;~E_M~0 := 2; {40703#true} is VALID [2022-02-20 19:54:58,719 INFO L290 TraceCheckUtils]: 47: Hoare triple {40703#true} assume 1 == ~E_1~0;~E_1~0 := 2; {40703#true} is VALID [2022-02-20 19:54:58,720 INFO L290 TraceCheckUtils]: 48: Hoare triple {40703#true} assume 1 == ~E_2~0;~E_2~0 := 2; {40703#true} is VALID [2022-02-20 19:54:58,720 INFO L290 TraceCheckUtils]: 49: Hoare triple {40703#true} assume true; {40703#true} is VALID [2022-02-20 19:54:58,720 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {40703#true} {40704#false} #749#return; {40704#false} is VALID [2022-02-20 19:54:58,720 INFO L290 TraceCheckUtils]: 51: Hoare triple {40704#false} assume !false; {40704#false} is VALID [2022-02-20 19:54:58,720 INFO L290 TraceCheckUtils]: 52: Hoare triple {40704#false} start_simulation2_~kernel_st~1#1 := 1;assume { :begin_inline_eval2 } true;havoc eval2_#t~ret19#1, eval2_#t~nondet20#1, eval2_~tmp_ndt_1~0#1, eval2_#t~nondet21#1, eval2_~tmp_ndt_2~0#1, eval2_#t~nondet22#1, eval2_~tmp_ndt_3~0#1, eval2_~tmp~4#1;havoc eval2_~tmp~4#1; {40704#false} is VALID [2022-02-20 19:54:58,720 INFO L290 TraceCheckUtils]: 53: Hoare triple {40704#false} assume !false; {40704#false} is VALID [2022-02-20 19:54:58,720 INFO L272 TraceCheckUtils]: 54: Hoare triple {40704#false} call eval2_#t~ret19#1 := exists_runnable_thread2(); {40703#true} is VALID [2022-02-20 19:54:58,720 INFO L290 TraceCheckUtils]: 55: Hoare triple {40703#true} havoc ~__retres1~7; {40703#true} is VALID [2022-02-20 19:54:58,720 INFO L290 TraceCheckUtils]: 56: Hoare triple {40703#true} assume 0 == ~m_st~0;~__retres1~7 := 1; {40703#true} is VALID [2022-02-20 19:54:58,721 INFO L290 TraceCheckUtils]: 57: Hoare triple {40703#true} #res := ~__retres1~7; {40703#true} is VALID [2022-02-20 19:54:58,721 INFO L290 TraceCheckUtils]: 58: Hoare triple {40703#true} assume true; {40703#true} is VALID [2022-02-20 19:54:58,721 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {40703#true} {40704#false} #751#return; {40704#false} is VALID [2022-02-20 19:54:58,721 INFO L290 TraceCheckUtils]: 60: Hoare triple {40704#false} assume -2147483648 <= eval2_#t~ret19#1 && eval2_#t~ret19#1 <= 2147483647;eval2_~tmp~4#1 := eval2_#t~ret19#1;havoc eval2_#t~ret19#1; {40704#false} is VALID [2022-02-20 19:54:58,721 INFO L290 TraceCheckUtils]: 61: Hoare triple {40704#false} assume 0 != eval2_~tmp~4#1; {40704#false} is VALID [2022-02-20 19:54:58,721 INFO L290 TraceCheckUtils]: 62: Hoare triple {40704#false} assume 0 == ~m_st~0;havoc eval2_~tmp_ndt_1~0#1;assume -2147483648 <= eval2_#t~nondet20#1 && eval2_#t~nondet20#1 <= 2147483647;eval2_~tmp_ndt_1~0#1 := eval2_#t~nondet20#1;havoc eval2_#t~nondet20#1; {40704#false} is VALID [2022-02-20 19:54:58,721 INFO L290 TraceCheckUtils]: 63: Hoare triple {40704#false} assume 0 != eval2_~tmp_ndt_1~0#1;~m_st~0 := 1;assume { :begin_inline_master } true;havoc master_#t~nondet17#1, master_#t~nondet18#1, master_~tmp_var~0#1;assume -2147483648 <= master_#t~nondet17#1 && master_#t~nondet17#1 <= 2147483647;master_~tmp_var~0#1 := master_#t~nondet17#1;havoc master_#t~nondet17#1; {40704#false} is VALID [2022-02-20 19:54:58,721 INFO L290 TraceCheckUtils]: 64: Hoare triple {40704#false} assume !(0 == ~m_pc~0); {40704#false} is VALID [2022-02-20 19:54:58,721 INFO L290 TraceCheckUtils]: 65: Hoare triple {40704#false} assume 1 == ~m_pc~0; {40704#false} is VALID [2022-02-20 19:54:58,722 INFO L290 TraceCheckUtils]: 66: Hoare triple {40704#false} assume ~token~0 != 2 + ~local~0; {40704#false} is VALID [2022-02-20 19:54:58,722 INFO L272 TraceCheckUtils]: 67: Hoare triple {40704#false} call error2(); {40704#false} is VALID [2022-02-20 19:54:58,722 INFO L290 TraceCheckUtils]: 68: Hoare triple {40704#false} assume !false; {40704#false} is VALID [2022-02-20 19:54:58,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 19:54:58,722 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:54:58,722 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309798735] [2022-02-20 19:54:58,722 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309798735] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:54:58,722 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 19:54:58,723 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 19:54:58,723 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123936034] [2022-02-20 19:54:58,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:54:58,723 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 69 [2022-02-20 19:54:58,723 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:54:58,724 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:54:58,756 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:54:58,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 19:54:58,756 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:54:58,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 19:54:58,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-20 19:54:58,757 INFO L87 Difference]: Start difference. First operand 1295 states and 1779 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:01,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:01,100 INFO L93 Difference]: Finished difference Result 2685 states and 3828 transitions. [2022-02-20 19:55:01,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-20 19:55:01,100 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 69 [2022-02-20 19:55:01,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:55:01,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:01,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 793 transitions. [2022-02-20 19:55:01,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:01,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 793 transitions. [2022-02-20 19:55:01,108 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states and 793 transitions. [2022-02-20 19:55:01,634 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 793 edges. 793 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:01,814 INFO L225 Difference]: With dead ends: 2685 [2022-02-20 19:55:01,815 INFO L226 Difference]: Without dead ends: 2097 [2022-02-20 19:55:01,816 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-02-20 19:55:01,817 INFO L933 BasicCegarLoop]: 410 mSDtfsCounter, 550 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 1293 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-20 19:55:01,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [562 Valid, 1293 Invalid, 1112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1036 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-20 19:55:01,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2097 states. [2022-02-20 19:55:01,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2097 to 1706. [2022-02-20 19:55:01,863 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:55:01,865 INFO L82 GeneralOperation]: Start isEquivalent. First operand 2097 states. Second operand has 1706 states, 1460 states have (on average 1.3815068493150684) internal successors, (2017), 1480 states have internal predecessors, (2017), 148 states have call successors, (148), 84 states have call predecessors, (148), 96 states have return successors, (207), 149 states have call predecessors, (207), 144 states have call successors, (207) [2022-02-20 19:55:01,867 INFO L74 IsIncluded]: Start isIncluded. First operand 2097 states. Second operand has 1706 states, 1460 states have (on average 1.3815068493150684) internal successors, (2017), 1480 states have internal predecessors, (2017), 148 states have call successors, (148), 84 states have call predecessors, (148), 96 states have return successors, (207), 149 states have call predecessors, (207), 144 states have call successors, (207) [2022-02-20 19:55:01,868 INFO L87 Difference]: Start difference. First operand 2097 states. Second operand has 1706 states, 1460 states have (on average 1.3815068493150684) internal successors, (2017), 1480 states have internal predecessors, (2017), 148 states have call successors, (148), 84 states have call predecessors, (148), 96 states have return successors, (207), 149 states have call predecessors, (207), 144 states have call successors, (207) [2022-02-20 19:55:01,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:01,984 INFO L93 Difference]: Finished difference Result 2097 states and 2955 transitions. [2022-02-20 19:55:01,984 INFO L276 IsEmpty]: Start isEmpty. Operand 2097 states and 2955 transitions. [2022-02-20 19:55:01,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:01,990 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:02,001 INFO L74 IsIncluded]: Start isIncluded. First operand has 1706 states, 1460 states have (on average 1.3815068493150684) internal successors, (2017), 1480 states have internal predecessors, (2017), 148 states have call successors, (148), 84 states have call predecessors, (148), 96 states have return successors, (207), 149 states have call predecessors, (207), 144 states have call successors, (207) Second operand 2097 states. [2022-02-20 19:55:02,004 INFO L87 Difference]: Start difference. First operand has 1706 states, 1460 states have (on average 1.3815068493150684) internal successors, (2017), 1480 states have internal predecessors, (2017), 148 states have call successors, (148), 84 states have call predecessors, (148), 96 states have return successors, (207), 149 states have call predecessors, (207), 144 states have call successors, (207) Second operand 2097 states. [2022-02-20 19:55:02,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:02,120 INFO L93 Difference]: Finished difference Result 2097 states and 2955 transitions. [2022-02-20 19:55:02,120 INFO L276 IsEmpty]: Start isEmpty. Operand 2097 states and 2955 transitions. [2022-02-20 19:55:02,123 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:02,124 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:02,124 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:55:02,124 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:55:02,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1706 states, 1460 states have (on average 1.3815068493150684) internal successors, (2017), 1480 states have internal predecessors, (2017), 148 states have call successors, (148), 84 states have call predecessors, (148), 96 states have return successors, (207), 149 states have call predecessors, (207), 144 states have call successors, (207) [2022-02-20 19:55:02,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 2372 transitions. [2022-02-20 19:55:02,238 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 2372 transitions. Word has length 69 [2022-02-20 19:55:02,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:55:02,239 INFO L470 AbstractCegarLoop]: Abstraction has 1706 states and 2372 transitions. [2022-02-20 19:55:02,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:02,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 2372 transitions. [2022-02-20 19:55:02,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-02-20 19:55:02,241 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:55:02,241 INFO L514 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] [2022-02-20 19:55:02,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-20 19:55:02,241 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting error2Err0ASSERT_VIOLATIONERROR_FUNCTION === [error1Err0ASSERT_VIOLATIONERROR_FUNCTION, error2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:55:02,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:55:02,242 INFO L85 PathProgramCache]: Analyzing trace with hash -241922817, now seen corresponding path program 1 times [2022-02-20 19:55:02,242 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:55:02,242 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968312812] [2022-02-20 19:55:02,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:55:02,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:55:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:02,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-02-20 19:55:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:02,271 INFO L290 TraceCheckUtils]: 0: Hoare triple {50848#true} assume true; {50848#true} is VALID [2022-02-20 19:55:02,271 INFO L284 TraceCheckUtils]: 1: Hoare quadruple {50848#true} {50850#(= ~E_2~0 ~M_E~0)} #743#return; {50850#(= ~E_2~0 ~M_E~0)} is VALID [2022-02-20 19:55:02,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-20 19:55:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:02,294 INFO L290 TraceCheckUtils]: 0: Hoare triple {50894#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume !(0 == ~M_E~0); {50895#(and (= ~E_2~0 |old(~E_2~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:02,294 INFO L290 TraceCheckUtils]: 1: Hoare triple {50895#(and (= ~E_2~0 |old(~E_2~0)|) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~T1_E~0); {50895#(and (= ~E_2~0 |old(~E_2~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:02,294 INFO L290 TraceCheckUtils]: 2: Hoare triple {50895#(and (= ~E_2~0 |old(~E_2~0)|) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~T2_E~0); {50895#(and (= ~E_2~0 |old(~E_2~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:02,295 INFO L290 TraceCheckUtils]: 3: Hoare triple {50895#(and (= ~E_2~0 |old(~E_2~0)|) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~E_M~0); {50895#(and (= ~E_2~0 |old(~E_2~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:02,295 INFO L290 TraceCheckUtils]: 4: Hoare triple {50895#(and (= ~E_2~0 |old(~E_2~0)|) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~E_1~0); {50895#(and (= ~E_2~0 |old(~E_2~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:02,295 INFO L290 TraceCheckUtils]: 5: Hoare triple {50895#(and (= ~E_2~0 |old(~E_2~0)|) (not (= |old(~M_E~0)| 0)))} assume 0 == ~E_2~0;~E_2~0 := 1; {50896#(not (= |old(~E_2~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:02,295 INFO L290 TraceCheckUtils]: 6: Hoare triple {50896#(not (= |old(~E_2~0)| |old(~M_E~0)|))} assume true; {50896#(not (= |old(~E_2~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:02,296 INFO L284 TraceCheckUtils]: 7: Hoare quadruple {50896#(not (= |old(~E_2~0)| |old(~M_E~0)|))} {50850#(= ~E_2~0 ~M_E~0)} #745#return; {50849#false} is VALID [2022-02-20 19:55:02,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-02-20 19:55:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:02,313 INFO L290 TraceCheckUtils]: 0: Hoare triple {50897#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~4#1;havoc is_master_triggered_~__retres1~4#1; {50848#true} is VALID [2022-02-20 19:55:02,313 INFO L290 TraceCheckUtils]: 1: Hoare triple {50848#true} assume 1 == ~m_pc~0; {50848#true} is VALID [2022-02-20 19:55:02,313 INFO L290 TraceCheckUtils]: 2: Hoare triple {50848#true} assume 1 == ~E_M~0;is_master_triggered_~__retres1~4#1 := 1; {50848#true} is VALID [2022-02-20 19:55:02,313 INFO L290 TraceCheckUtils]: 3: Hoare triple {50848#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {50848#true} is VALID [2022-02-20 19:55:02,314 INFO L290 TraceCheckUtils]: 4: Hoare triple {50848#true} #t~ret23#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret23#1 && #t~ret23#1 <= 2147483647;~tmp~5#1 := #t~ret23#1;havoc #t~ret23#1; {50848#true} is VALID [2022-02-20 19:55:02,314 INFO L290 TraceCheckUtils]: 5: Hoare triple {50848#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {50848#true} is VALID [2022-02-20 19:55:02,314 INFO L290 TraceCheckUtils]: 6: Hoare triple {50848#true} assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~5#1;havoc is_transmit1_triggered_~__retres1~5#1; {50848#true} is VALID [2022-02-20 19:55:02,314 INFO L290 TraceCheckUtils]: 7: Hoare triple {50848#true} assume !(1 == ~t1_pc~0); {50848#true} is VALID [2022-02-20 19:55:02,314 INFO L290 TraceCheckUtils]: 8: Hoare triple {50848#true} is_transmit1_triggered_~__retres1~5#1 := 0; {50848#true} is VALID [2022-02-20 19:55:02,314 INFO L290 TraceCheckUtils]: 9: Hoare triple {50848#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {50848#true} is VALID [2022-02-20 19:55:02,314 INFO L290 TraceCheckUtils]: 10: Hoare triple {50848#true} #t~ret24#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp___0~2#1 := #t~ret24#1;havoc #t~ret24#1; {50848#true} is VALID [2022-02-20 19:55:02,314 INFO L290 TraceCheckUtils]: 11: Hoare triple {50848#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {50848#true} is VALID [2022-02-20 19:55:02,314 INFO L290 TraceCheckUtils]: 12: Hoare triple {50848#true} assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~6#1;havoc is_transmit2_triggered_~__retres1~6#1; {50848#true} is VALID [2022-02-20 19:55:02,315 INFO L290 TraceCheckUtils]: 13: Hoare triple {50848#true} assume 1 == ~t2_pc~0; {50848#true} is VALID [2022-02-20 19:55:02,315 INFO L290 TraceCheckUtils]: 14: Hoare triple {50848#true} assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~6#1 := 1; {50848#true} is VALID [2022-02-20 19:55:02,315 INFO L290 TraceCheckUtils]: 15: Hoare triple {50848#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {50848#true} is VALID [2022-02-20 19:55:02,315 INFO L290 TraceCheckUtils]: 16: Hoare triple {50848#true} #t~ret25#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___1~1#1 := #t~ret25#1;havoc #t~ret25#1; {50848#true} is VALID [2022-02-20 19:55:02,315 INFO L290 TraceCheckUtils]: 17: Hoare triple {50848#true} assume 0 != ~tmp___1~1#1;~t2_st~0 := 0; {50848#true} is VALID [2022-02-20 19:55:02,315 INFO L290 TraceCheckUtils]: 18: Hoare triple {50848#true} assume true; {50848#true} is VALID [2022-02-20 19:55:02,315 INFO L284 TraceCheckUtils]: 19: Hoare quadruple {50848#true} {50849#false} #747#return; {50849#false} is VALID [2022-02-20 19:55:02,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-02-20 19:55:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:02,320 INFO L290 TraceCheckUtils]: 0: Hoare triple {50894#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume !(1 == ~M_E~0); {50848#true} is VALID [2022-02-20 19:55:02,320 INFO L290 TraceCheckUtils]: 1: Hoare triple {50848#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {50848#true} is VALID [2022-02-20 19:55:02,320 INFO L290 TraceCheckUtils]: 2: Hoare triple {50848#true} assume !(1 == ~T2_E~0); {50848#true} is VALID [2022-02-20 19:55:02,320 INFO L290 TraceCheckUtils]: 3: Hoare triple {50848#true} assume 1 == ~E_M~0;~E_M~0 := 2; {50848#true} is VALID [2022-02-20 19:55:02,320 INFO L290 TraceCheckUtils]: 4: Hoare triple {50848#true} assume 1 == ~E_1~0;~E_1~0 := 2; {50848#true} is VALID [2022-02-20 19:55:02,320 INFO L290 TraceCheckUtils]: 5: Hoare triple {50848#true} assume 1 == ~E_2~0;~E_2~0 := 2; {50848#true} is VALID [2022-02-20 19:55:02,320 INFO L290 TraceCheckUtils]: 6: Hoare triple {50848#true} assume true; {50848#true} is VALID [2022-02-20 19:55:02,321 INFO L284 TraceCheckUtils]: 7: Hoare quadruple {50848#true} {50849#false} #749#return; {50849#false} is VALID [2022-02-20 19:55:02,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-02-20 19:55:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:02,323 INFO L290 TraceCheckUtils]: 0: Hoare triple {50848#true} havoc ~__retres1~7; {50848#true} is VALID [2022-02-20 19:55:02,323 INFO L290 TraceCheckUtils]: 1: Hoare triple {50848#true} assume 0 == ~m_st~0;~__retres1~7 := 1; {50848#true} is VALID [2022-02-20 19:55:02,323 INFO L290 TraceCheckUtils]: 2: Hoare triple {50848#true} #res := ~__retres1~7; {50848#true} is VALID [2022-02-20 19:55:02,323 INFO L290 TraceCheckUtils]: 3: Hoare triple {50848#true} assume true; {50848#true} is VALID [2022-02-20 19:55:02,323 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {50848#true} {50849#false} #751#return; {50849#false} is VALID [2022-02-20 19:55:02,324 INFO L290 TraceCheckUtils]: 0: Hoare triple {50848#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~token~0 := 0;~local~0 := 0; {50850#(= ~E_2~0 ~M_E~0)} is VALID [2022-02-20 19:55:02,324 INFO L290 TraceCheckUtils]: 1: Hoare triple {50850#(= ~E_2~0 ~M_E~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1;assume -2147483648 <= main_#t~nondet29#1 && main_#t~nondet29#1 <= 2147483647; {50850#(= ~E_2~0 ~M_E~0)} is VALID [2022-02-20 19:55:02,324 INFO L290 TraceCheckUtils]: 2: Hoare triple {50850#(= ~E_2~0 ~M_E~0)} assume !(0 != main_#t~nondet29#1);havoc main_#t~nondet29#1;assume { :begin_inline_main2 } true;havoc main2_#res#1;havoc main2_~__retres1~8#1;havoc main2_~__retres1~8#1;assume { :begin_inline_init_model2 } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1; {50850#(= ~E_2~0 ~M_E~0)} is VALID [2022-02-20 19:55:02,325 INFO L290 TraceCheckUtils]: 3: Hoare triple {50850#(= ~E_2~0 ~M_E~0)} assume { :end_inline_init_model2 } true;assume { :begin_inline_start_simulation2 } true;havoc start_simulation2_#t~ret27#1, start_simulation2_#t~ret28#1, start_simulation2_~kernel_st~1#1, start_simulation2_~tmp~7#1, start_simulation2_~tmp___0~3#1;havoc start_simulation2_~kernel_st~1#1;havoc start_simulation2_~tmp~7#1;havoc start_simulation2_~tmp___0~3#1;start_simulation2_~kernel_st~1#1 := 0; {50850#(= ~E_2~0 ~M_E~0)} is VALID [2022-02-20 19:55:02,325 INFO L272 TraceCheckUtils]: 4: Hoare triple {50850#(= ~E_2~0 ~M_E~0)} call update_channels2(); {50848#true} is VALID [2022-02-20 19:55:02,325 INFO L290 TraceCheckUtils]: 5: Hoare triple {50848#true} assume true; {50848#true} is VALID [2022-02-20 19:55:02,325 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {50848#true} {50850#(= ~E_2~0 ~M_E~0)} #743#return; {50850#(= ~E_2~0 ~M_E~0)} is VALID [2022-02-20 19:55:02,325 INFO L290 TraceCheckUtils]: 7: Hoare triple {50850#(= ~E_2~0 ~M_E~0)} assume { :begin_inline_init_threads2 } true; {50850#(= ~E_2~0 ~M_E~0)} is VALID [2022-02-20 19:55:02,326 INFO L290 TraceCheckUtils]: 8: Hoare triple {50850#(= ~E_2~0 ~M_E~0)} assume 1 == ~m_i~0;~m_st~0 := 0; {50850#(= ~E_2~0 ~M_E~0)} is VALID [2022-02-20 19:55:02,326 INFO L290 TraceCheckUtils]: 9: Hoare triple {50850#(= ~E_2~0 ~M_E~0)} assume 1 == ~t1_i~0;~t1_st~0 := 0; {50850#(= ~E_2~0 ~M_E~0)} is VALID [2022-02-20 19:55:02,326 INFO L290 TraceCheckUtils]: 10: Hoare triple {50850#(= ~E_2~0 ~M_E~0)} assume 1 == ~t2_i~0;~t2_st~0 := 0; {50850#(= ~E_2~0 ~M_E~0)} is VALID [2022-02-20 19:55:02,326 INFO L290 TraceCheckUtils]: 11: Hoare triple {50850#(= ~E_2~0 ~M_E~0)} assume { :end_inline_init_threads2 } true; {50850#(= ~E_2~0 ~M_E~0)} is VALID [2022-02-20 19:55:02,327 INFO L272 TraceCheckUtils]: 12: Hoare triple {50850#(= ~E_2~0 ~M_E~0)} call fire_delta_events2(); {50894#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} is VALID [2022-02-20 19:55:02,327 INFO L290 TraceCheckUtils]: 13: Hoare triple {50894#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume !(0 == ~M_E~0); {50895#(and (= ~E_2~0 |old(~E_2~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:02,328 INFO L290 TraceCheckUtils]: 14: Hoare triple {50895#(and (= ~E_2~0 |old(~E_2~0)|) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~T1_E~0); {50895#(and (= ~E_2~0 |old(~E_2~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:02,328 INFO L290 TraceCheckUtils]: 15: Hoare triple {50895#(and (= ~E_2~0 |old(~E_2~0)|) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~T2_E~0); {50895#(and (= ~E_2~0 |old(~E_2~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:02,328 INFO L290 TraceCheckUtils]: 16: Hoare triple {50895#(and (= ~E_2~0 |old(~E_2~0)|) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~E_M~0); {50895#(and (= ~E_2~0 |old(~E_2~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:02,328 INFO L290 TraceCheckUtils]: 17: Hoare triple {50895#(and (= ~E_2~0 |old(~E_2~0)|) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~E_1~0); {50895#(and (= ~E_2~0 |old(~E_2~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:02,329 INFO L290 TraceCheckUtils]: 18: Hoare triple {50895#(and (= ~E_2~0 |old(~E_2~0)|) (not (= |old(~M_E~0)| 0)))} assume 0 == ~E_2~0;~E_2~0 := 1; {50896#(not (= |old(~E_2~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:02,329 INFO L290 TraceCheckUtils]: 19: Hoare triple {50896#(not (= |old(~E_2~0)| |old(~M_E~0)|))} assume true; {50896#(not (= |old(~E_2~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:02,329 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {50896#(not (= |old(~E_2~0)| |old(~M_E~0)|))} {50850#(= ~E_2~0 ~M_E~0)} #745#return; {50849#false} is VALID [2022-02-20 19:55:02,329 INFO L272 TraceCheckUtils]: 21: Hoare triple {50849#false} call activate_threads2(); {50897#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} is VALID [2022-02-20 19:55:02,330 INFO L290 TraceCheckUtils]: 22: Hoare triple {50897#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~4#1;havoc is_master_triggered_~__retres1~4#1; {50848#true} is VALID [2022-02-20 19:55:02,330 INFO L290 TraceCheckUtils]: 23: Hoare triple {50848#true} assume 1 == ~m_pc~0; {50848#true} is VALID [2022-02-20 19:55:02,330 INFO L290 TraceCheckUtils]: 24: Hoare triple {50848#true} assume 1 == ~E_M~0;is_master_triggered_~__retres1~4#1 := 1; {50848#true} is VALID [2022-02-20 19:55:02,330 INFO L290 TraceCheckUtils]: 25: Hoare triple {50848#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {50848#true} is VALID [2022-02-20 19:55:02,330 INFO L290 TraceCheckUtils]: 26: Hoare triple {50848#true} #t~ret23#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret23#1 && #t~ret23#1 <= 2147483647;~tmp~5#1 := #t~ret23#1;havoc #t~ret23#1; {50848#true} is VALID [2022-02-20 19:55:02,330 INFO L290 TraceCheckUtils]: 27: Hoare triple {50848#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {50848#true} is VALID [2022-02-20 19:55:02,330 INFO L290 TraceCheckUtils]: 28: Hoare triple {50848#true} assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~5#1;havoc is_transmit1_triggered_~__retres1~5#1; {50848#true} is VALID [2022-02-20 19:55:02,330 INFO L290 TraceCheckUtils]: 29: Hoare triple {50848#true} assume !(1 == ~t1_pc~0); {50848#true} is VALID [2022-02-20 19:55:02,330 INFO L290 TraceCheckUtils]: 30: Hoare triple {50848#true} is_transmit1_triggered_~__retres1~5#1 := 0; {50848#true} is VALID [2022-02-20 19:55:02,330 INFO L290 TraceCheckUtils]: 31: Hoare triple {50848#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {50848#true} is VALID [2022-02-20 19:55:02,331 INFO L290 TraceCheckUtils]: 32: Hoare triple {50848#true} #t~ret24#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp___0~2#1 := #t~ret24#1;havoc #t~ret24#1; {50848#true} is VALID [2022-02-20 19:55:02,331 INFO L290 TraceCheckUtils]: 33: Hoare triple {50848#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {50848#true} is VALID [2022-02-20 19:55:02,331 INFO L290 TraceCheckUtils]: 34: Hoare triple {50848#true} assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~6#1;havoc is_transmit2_triggered_~__retres1~6#1; {50848#true} is VALID [2022-02-20 19:55:02,331 INFO L290 TraceCheckUtils]: 35: Hoare triple {50848#true} assume 1 == ~t2_pc~0; {50848#true} is VALID [2022-02-20 19:55:02,331 INFO L290 TraceCheckUtils]: 36: Hoare triple {50848#true} assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~6#1 := 1; {50848#true} is VALID [2022-02-20 19:55:02,331 INFO L290 TraceCheckUtils]: 37: Hoare triple {50848#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {50848#true} is VALID [2022-02-20 19:55:02,331 INFO L290 TraceCheckUtils]: 38: Hoare triple {50848#true} #t~ret25#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___1~1#1 := #t~ret25#1;havoc #t~ret25#1; {50848#true} is VALID [2022-02-20 19:55:02,331 INFO L290 TraceCheckUtils]: 39: Hoare triple {50848#true} assume 0 != ~tmp___1~1#1;~t2_st~0 := 0; {50848#true} is VALID [2022-02-20 19:55:02,331 INFO L290 TraceCheckUtils]: 40: Hoare triple {50848#true} assume true; {50848#true} is VALID [2022-02-20 19:55:02,331 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {50848#true} {50849#false} #747#return; {50849#false} is VALID [2022-02-20 19:55:02,332 INFO L272 TraceCheckUtils]: 42: Hoare triple {50849#false} call reset_delta_events2(); {50894#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} is VALID [2022-02-20 19:55:02,332 INFO L290 TraceCheckUtils]: 43: Hoare triple {50894#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume !(1 == ~M_E~0); {50848#true} is VALID [2022-02-20 19:55:02,332 INFO L290 TraceCheckUtils]: 44: Hoare triple {50848#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {50848#true} is VALID [2022-02-20 19:55:02,332 INFO L290 TraceCheckUtils]: 45: Hoare triple {50848#true} assume !(1 == ~T2_E~0); {50848#true} is VALID [2022-02-20 19:55:02,332 INFO L290 TraceCheckUtils]: 46: Hoare triple {50848#true} assume 1 == ~E_M~0;~E_M~0 := 2; {50848#true} is VALID [2022-02-20 19:55:02,332 INFO L290 TraceCheckUtils]: 47: Hoare triple {50848#true} assume 1 == ~E_1~0;~E_1~0 := 2; {50848#true} is VALID [2022-02-20 19:55:02,332 INFO L290 TraceCheckUtils]: 48: Hoare triple {50848#true} assume 1 == ~E_2~0;~E_2~0 := 2; {50848#true} is VALID [2022-02-20 19:55:02,332 INFO L290 TraceCheckUtils]: 49: Hoare triple {50848#true} assume true; {50848#true} is VALID [2022-02-20 19:55:02,332 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {50848#true} {50849#false} #749#return; {50849#false} is VALID [2022-02-20 19:55:02,332 INFO L290 TraceCheckUtils]: 51: Hoare triple {50849#false} assume !false; {50849#false} is VALID [2022-02-20 19:55:02,333 INFO L290 TraceCheckUtils]: 52: Hoare triple {50849#false} start_simulation2_~kernel_st~1#1 := 1;assume { :begin_inline_eval2 } true;havoc eval2_#t~ret19#1, eval2_#t~nondet20#1, eval2_~tmp_ndt_1~0#1, eval2_#t~nondet21#1, eval2_~tmp_ndt_2~0#1, eval2_#t~nondet22#1, eval2_~tmp_ndt_3~0#1, eval2_~tmp~4#1;havoc eval2_~tmp~4#1; {50849#false} is VALID [2022-02-20 19:55:02,333 INFO L290 TraceCheckUtils]: 53: Hoare triple {50849#false} assume !false; {50849#false} is VALID [2022-02-20 19:55:02,333 INFO L272 TraceCheckUtils]: 54: Hoare triple {50849#false} call eval2_#t~ret19#1 := exists_runnable_thread2(); {50848#true} is VALID [2022-02-20 19:55:02,333 INFO L290 TraceCheckUtils]: 55: Hoare triple {50848#true} havoc ~__retres1~7; {50848#true} is VALID [2022-02-20 19:55:02,333 INFO L290 TraceCheckUtils]: 56: Hoare triple {50848#true} assume 0 == ~m_st~0;~__retres1~7 := 1; {50848#true} is VALID [2022-02-20 19:55:02,333 INFO L290 TraceCheckUtils]: 57: Hoare triple {50848#true} #res := ~__retres1~7; {50848#true} is VALID [2022-02-20 19:55:02,333 INFO L290 TraceCheckUtils]: 58: Hoare triple {50848#true} assume true; {50848#true} is VALID [2022-02-20 19:55:02,333 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {50848#true} {50849#false} #751#return; {50849#false} is VALID [2022-02-20 19:55:02,333 INFO L290 TraceCheckUtils]: 60: Hoare triple {50849#false} assume -2147483648 <= eval2_#t~ret19#1 && eval2_#t~ret19#1 <= 2147483647;eval2_~tmp~4#1 := eval2_#t~ret19#1;havoc eval2_#t~ret19#1; {50849#false} is VALID [2022-02-20 19:55:02,334 INFO L290 TraceCheckUtils]: 61: Hoare triple {50849#false} assume 0 != eval2_~tmp~4#1; {50849#false} is VALID [2022-02-20 19:55:02,334 INFO L290 TraceCheckUtils]: 62: Hoare triple {50849#false} assume 0 == ~m_st~0;havoc eval2_~tmp_ndt_1~0#1;assume -2147483648 <= eval2_#t~nondet20#1 && eval2_#t~nondet20#1 <= 2147483647;eval2_~tmp_ndt_1~0#1 := eval2_#t~nondet20#1;havoc eval2_#t~nondet20#1; {50849#false} is VALID [2022-02-20 19:55:02,334 INFO L290 TraceCheckUtils]: 63: Hoare triple {50849#false} assume 0 != eval2_~tmp_ndt_1~0#1;~m_st~0 := 1;assume { :begin_inline_master } true;havoc master_#t~nondet17#1, master_#t~nondet18#1, master_~tmp_var~0#1;assume -2147483648 <= master_#t~nondet17#1 && master_#t~nondet17#1 <= 2147483647;master_~tmp_var~0#1 := master_#t~nondet17#1;havoc master_#t~nondet17#1; {50849#false} is VALID [2022-02-20 19:55:02,334 INFO L290 TraceCheckUtils]: 64: Hoare triple {50849#false} assume !(0 == ~m_pc~0); {50849#false} is VALID [2022-02-20 19:55:02,334 INFO L290 TraceCheckUtils]: 65: Hoare triple {50849#false} assume 1 == ~m_pc~0; {50849#false} is VALID [2022-02-20 19:55:02,334 INFO L290 TraceCheckUtils]: 66: Hoare triple {50849#false} assume ~token~0 != 2 + ~local~0; {50849#false} is VALID [2022-02-20 19:55:02,334 INFO L272 TraceCheckUtils]: 67: Hoare triple {50849#false} call error2(); {50849#false} is VALID [2022-02-20 19:55:02,334 INFO L290 TraceCheckUtils]: 68: Hoare triple {50849#false} assume !false; {50849#false} is VALID [2022-02-20 19:55:02,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 19:55:02,335 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:55:02,335 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968312812] [2022-02-20 19:55:02,335 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968312812] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:55:02,335 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 19:55:02,335 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 19:55:02,335 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160574002] [2022-02-20 19:55:02,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:55:02,336 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 69 [2022-02-20 19:55:02,336 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:55:02,336 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:02,372 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:02,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 19:55:02,373 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:55:02,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 19:55:02,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-20 19:55:02,373 INFO L87 Difference]: Start difference. First operand 1706 states and 2372 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:04,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:04,998 INFO L93 Difference]: Finished difference Result 4076 states and 5836 transitions. [2022-02-20 19:55:04,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-20 19:55:04,999 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 69 [2022-02-20 19:55:04,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:55:04,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:05,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 771 transitions. [2022-02-20 19:55:05,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:05,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 771 transitions. [2022-02-20 19:55:05,007 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states and 771 transitions. [2022-02-20 19:55:05,479 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 771 edges. 771 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:05,839 INFO L225 Difference]: With dead ends: 4076 [2022-02-20 19:55:05,839 INFO L226 Difference]: Without dead ends: 3077 [2022-02-20 19:55:05,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-02-20 19:55:05,842 INFO L933 BasicCegarLoop]: 380 mSDtfsCounter, 554 mSDsluCounter, 886 mSDsCounter, 0 mSdLazyCounter, 930 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 570 SdHoareTripleChecker+Valid, 1266 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 930 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-20 19:55:05,842 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [570 Valid, 1266 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 930 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-20 19:55:05,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3077 states. [2022-02-20 19:55:05,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3077 to 2560. [2022-02-20 19:55:05,946 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:55:05,952 INFO L82 GeneralOperation]: Start isEquivalent. First operand 3077 states. Second operand has 2560 states, 2182 states have (on average 1.4055912007332723) internal successors, (3067), 2210 states have internal predecessors, (3067), 224 states have call successors, (224), 132 states have call predecessors, (224), 152 states have return successors, (345), 233 states have call predecessors, (345), 220 states have call successors, (345) [2022-02-20 19:55:05,956 INFO L74 IsIncluded]: Start isIncluded. First operand 3077 states. Second operand has 2560 states, 2182 states have (on average 1.4055912007332723) internal successors, (3067), 2210 states have internal predecessors, (3067), 224 states have call successors, (224), 132 states have call predecessors, (224), 152 states have return successors, (345), 233 states have call predecessors, (345), 220 states have call successors, (345) [2022-02-20 19:55:05,959 INFO L87 Difference]: Start difference. First operand 3077 states. Second operand has 2560 states, 2182 states have (on average 1.4055912007332723) internal successors, (3067), 2210 states have internal predecessors, (3067), 224 states have call successors, (224), 132 states have call predecessors, (224), 152 states have return successors, (345), 233 states have call predecessors, (345), 220 states have call successors, (345) [2022-02-20 19:55:06,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:06,244 INFO L93 Difference]: Finished difference Result 3077 states and 4358 transitions. [2022-02-20 19:55:06,244 INFO L276 IsEmpty]: Start isEmpty. Operand 3077 states and 4358 transitions. [2022-02-20 19:55:06,249 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:06,249 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:06,252 INFO L74 IsIncluded]: Start isIncluded. First operand has 2560 states, 2182 states have (on average 1.4055912007332723) internal successors, (3067), 2210 states have internal predecessors, (3067), 224 states have call successors, (224), 132 states have call predecessors, (224), 152 states have return successors, (345), 233 states have call predecessors, (345), 220 states have call successors, (345) Second operand 3077 states. [2022-02-20 19:55:06,254 INFO L87 Difference]: Start difference. First operand has 2560 states, 2182 states have (on average 1.4055912007332723) internal successors, (3067), 2210 states have internal predecessors, (3067), 224 states have call successors, (224), 132 states have call predecessors, (224), 152 states have return successors, (345), 233 states have call predecessors, (345), 220 states have call successors, (345) Second operand 3077 states. [2022-02-20 19:55:06,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:06,528 INFO L93 Difference]: Finished difference Result 3077 states and 4358 transitions. [2022-02-20 19:55:06,528 INFO L276 IsEmpty]: Start isEmpty. Operand 3077 states and 4358 transitions. [2022-02-20 19:55:06,533 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:06,533 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:06,534 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:55:06,534 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:55:06,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2560 states, 2182 states have (on average 1.4055912007332723) internal successors, (3067), 2210 states have internal predecessors, (3067), 224 states have call successors, (224), 132 states have call predecessors, (224), 152 states have return successors, (345), 233 states have call predecessors, (345), 220 states have call successors, (345) [2022-02-20 19:55:06,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 2560 states and 3636 transitions. [2022-02-20 19:55:06,791 INFO L78 Accepts]: Start accepts. Automaton has 2560 states and 3636 transitions. Word has length 69 [2022-02-20 19:55:06,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:55:06,791 INFO L470 AbstractCegarLoop]: Abstraction has 2560 states and 3636 transitions. [2022-02-20 19:55:06,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:06,792 INFO L276 IsEmpty]: Start isEmpty. Operand 2560 states and 3636 transitions. [2022-02-20 19:55:06,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-02-20 19:55:06,794 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:55:06,794 INFO L514 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] [2022-02-20 19:55:06,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-20 19:55:06,794 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting error2Err0ASSERT_VIOLATIONERROR_FUNCTION === [error1Err0ASSERT_VIOLATIONERROR_FUNCTION, error2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:55:06,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:55:06,796 INFO L85 PathProgramCache]: Analyzing trace with hash 2024458369, now seen corresponding path program 1 times [2022-02-20 19:55:06,796 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:55:06,797 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017416283] [2022-02-20 19:55:06,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:55:06,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:55:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:06,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-02-20 19:55:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:06,817 INFO L290 TraceCheckUtils]: 0: Hoare triple {65890#true} assume true; {65890#true} is VALID [2022-02-20 19:55:06,818 INFO L284 TraceCheckUtils]: 1: Hoare quadruple {65890#true} {65892#(= ~m_pc~0 0)} #743#return; {65892#(= ~m_pc~0 0)} is VALID [2022-02-20 19:55:06,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-20 19:55:06,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:06,827 INFO L290 TraceCheckUtils]: 0: Hoare triple {65936#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume !(0 == ~M_E~0); {65890#true} is VALID [2022-02-20 19:55:06,827 INFO L290 TraceCheckUtils]: 1: Hoare triple {65890#true} assume !(0 == ~T1_E~0); {65890#true} is VALID [2022-02-20 19:55:06,827 INFO L290 TraceCheckUtils]: 2: Hoare triple {65890#true} assume !(0 == ~T2_E~0); {65890#true} is VALID [2022-02-20 19:55:06,827 INFO L290 TraceCheckUtils]: 3: Hoare triple {65890#true} assume !(0 == ~E_M~0); {65890#true} is VALID [2022-02-20 19:55:06,827 INFO L290 TraceCheckUtils]: 4: Hoare triple {65890#true} assume !(0 == ~E_1~0); {65890#true} is VALID [2022-02-20 19:55:06,827 INFO L290 TraceCheckUtils]: 5: Hoare triple {65890#true} assume !(0 == ~E_2~0); {65890#true} is VALID [2022-02-20 19:55:06,828 INFO L290 TraceCheckUtils]: 6: Hoare triple {65890#true} assume true; {65890#true} is VALID [2022-02-20 19:55:06,828 INFO L284 TraceCheckUtils]: 7: Hoare quadruple {65890#true} {65892#(= ~m_pc~0 0)} #745#return; {65892#(= ~m_pc~0 0)} is VALID [2022-02-20 19:55:06,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-02-20 19:55:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:06,847 INFO L290 TraceCheckUtils]: 0: Hoare triple {65937#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~4#1;havoc is_master_triggered_~__retres1~4#1; {65890#true} is VALID [2022-02-20 19:55:06,848 INFO L290 TraceCheckUtils]: 1: Hoare triple {65890#true} assume 1 == ~m_pc~0; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,848 INFO L290 TraceCheckUtils]: 2: Hoare triple {65938#(<= 1 ~m_pc~0)} assume 1 == ~E_M~0;is_master_triggered_~__retres1~4#1 := 1; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,848 INFO L290 TraceCheckUtils]: 3: Hoare triple {65938#(<= 1 ~m_pc~0)} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,849 INFO L290 TraceCheckUtils]: 4: Hoare triple {65938#(<= 1 ~m_pc~0)} #t~ret23#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret23#1 && #t~ret23#1 <= 2147483647;~tmp~5#1 := #t~ret23#1;havoc #t~ret23#1; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,849 INFO L290 TraceCheckUtils]: 5: Hoare triple {65938#(<= 1 ~m_pc~0)} assume 0 != ~tmp~5#1;~m_st~0 := 0; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,849 INFO L290 TraceCheckUtils]: 6: Hoare triple {65938#(<= 1 ~m_pc~0)} assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~5#1;havoc is_transmit1_triggered_~__retres1~5#1; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,849 INFO L290 TraceCheckUtils]: 7: Hoare triple {65938#(<= 1 ~m_pc~0)} assume !(1 == ~t1_pc~0); {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,850 INFO L290 TraceCheckUtils]: 8: Hoare triple {65938#(<= 1 ~m_pc~0)} is_transmit1_triggered_~__retres1~5#1 := 0; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,850 INFO L290 TraceCheckUtils]: 9: Hoare triple {65938#(<= 1 ~m_pc~0)} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,850 INFO L290 TraceCheckUtils]: 10: Hoare triple {65938#(<= 1 ~m_pc~0)} #t~ret24#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp___0~2#1 := #t~ret24#1;havoc #t~ret24#1; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,850 INFO L290 TraceCheckUtils]: 11: Hoare triple {65938#(<= 1 ~m_pc~0)} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,851 INFO L290 TraceCheckUtils]: 12: Hoare triple {65938#(<= 1 ~m_pc~0)} assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~6#1;havoc is_transmit2_triggered_~__retres1~6#1; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,851 INFO L290 TraceCheckUtils]: 13: Hoare triple {65938#(<= 1 ~m_pc~0)} assume 1 == ~t2_pc~0; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,851 INFO L290 TraceCheckUtils]: 14: Hoare triple {65938#(<= 1 ~m_pc~0)} assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~6#1 := 1; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,851 INFO L290 TraceCheckUtils]: 15: Hoare triple {65938#(<= 1 ~m_pc~0)} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,852 INFO L290 TraceCheckUtils]: 16: Hoare triple {65938#(<= 1 ~m_pc~0)} #t~ret25#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___1~1#1 := #t~ret25#1;havoc #t~ret25#1; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,852 INFO L290 TraceCheckUtils]: 17: Hoare triple {65938#(<= 1 ~m_pc~0)} assume 0 != ~tmp___1~1#1;~t2_st~0 := 0; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,852 INFO L290 TraceCheckUtils]: 18: Hoare triple {65938#(<= 1 ~m_pc~0)} assume true; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,853 INFO L284 TraceCheckUtils]: 19: Hoare quadruple {65938#(<= 1 ~m_pc~0)} {65892#(= ~m_pc~0 0)} #747#return; {65891#false} is VALID [2022-02-20 19:55:06,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-02-20 19:55:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:06,857 INFO L290 TraceCheckUtils]: 0: Hoare triple {65936#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume !(1 == ~M_E~0); {65890#true} is VALID [2022-02-20 19:55:06,857 INFO L290 TraceCheckUtils]: 1: Hoare triple {65890#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {65890#true} is VALID [2022-02-20 19:55:06,857 INFO L290 TraceCheckUtils]: 2: Hoare triple {65890#true} assume !(1 == ~T2_E~0); {65890#true} is VALID [2022-02-20 19:55:06,857 INFO L290 TraceCheckUtils]: 3: Hoare triple {65890#true} assume 1 == ~E_M~0;~E_M~0 := 2; {65890#true} is VALID [2022-02-20 19:55:06,857 INFO L290 TraceCheckUtils]: 4: Hoare triple {65890#true} assume 1 == ~E_1~0;~E_1~0 := 2; {65890#true} is VALID [2022-02-20 19:55:06,857 INFO L290 TraceCheckUtils]: 5: Hoare triple {65890#true} assume 1 == ~E_2~0;~E_2~0 := 2; {65890#true} is VALID [2022-02-20 19:55:06,857 INFO L290 TraceCheckUtils]: 6: Hoare triple {65890#true} assume true; {65890#true} is VALID [2022-02-20 19:55:06,858 INFO L284 TraceCheckUtils]: 7: Hoare quadruple {65890#true} {65891#false} #749#return; {65891#false} is VALID [2022-02-20 19:55:06,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-02-20 19:55:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:06,860 INFO L290 TraceCheckUtils]: 0: Hoare triple {65890#true} havoc ~__retres1~7; {65890#true} is VALID [2022-02-20 19:55:06,860 INFO L290 TraceCheckUtils]: 1: Hoare triple {65890#true} assume 0 == ~m_st~0;~__retres1~7 := 1; {65890#true} is VALID [2022-02-20 19:55:06,860 INFO L290 TraceCheckUtils]: 2: Hoare triple {65890#true} #res := ~__retres1~7; {65890#true} is VALID [2022-02-20 19:55:06,860 INFO L290 TraceCheckUtils]: 3: Hoare triple {65890#true} assume true; {65890#true} is VALID [2022-02-20 19:55:06,861 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {65890#true} {65891#false} #751#return; {65891#false} is VALID [2022-02-20 19:55:06,861 INFO L290 TraceCheckUtils]: 0: Hoare triple {65890#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~token~0 := 0;~local~0 := 0; {65892#(= ~m_pc~0 0)} is VALID [2022-02-20 19:55:06,861 INFO L290 TraceCheckUtils]: 1: Hoare triple {65892#(= ~m_pc~0 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1;assume -2147483648 <= main_#t~nondet29#1 && main_#t~nondet29#1 <= 2147483647; {65892#(= ~m_pc~0 0)} is VALID [2022-02-20 19:55:06,861 INFO L290 TraceCheckUtils]: 2: Hoare triple {65892#(= ~m_pc~0 0)} assume !(0 != main_#t~nondet29#1);havoc main_#t~nondet29#1;assume { :begin_inline_main2 } true;havoc main2_#res#1;havoc main2_~__retres1~8#1;havoc main2_~__retres1~8#1;assume { :begin_inline_init_model2 } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1; {65892#(= ~m_pc~0 0)} is VALID [2022-02-20 19:55:06,862 INFO L290 TraceCheckUtils]: 3: Hoare triple {65892#(= ~m_pc~0 0)} assume { :end_inline_init_model2 } true;assume { :begin_inline_start_simulation2 } true;havoc start_simulation2_#t~ret27#1, start_simulation2_#t~ret28#1, start_simulation2_~kernel_st~1#1, start_simulation2_~tmp~7#1, start_simulation2_~tmp___0~3#1;havoc start_simulation2_~kernel_st~1#1;havoc start_simulation2_~tmp~7#1;havoc start_simulation2_~tmp___0~3#1;start_simulation2_~kernel_st~1#1 := 0; {65892#(= ~m_pc~0 0)} is VALID [2022-02-20 19:55:06,862 INFO L272 TraceCheckUtils]: 4: Hoare triple {65892#(= ~m_pc~0 0)} call update_channels2(); {65890#true} is VALID [2022-02-20 19:55:06,862 INFO L290 TraceCheckUtils]: 5: Hoare triple {65890#true} assume true; {65890#true} is VALID [2022-02-20 19:55:06,862 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {65890#true} {65892#(= ~m_pc~0 0)} #743#return; {65892#(= ~m_pc~0 0)} is VALID [2022-02-20 19:55:06,862 INFO L290 TraceCheckUtils]: 7: Hoare triple {65892#(= ~m_pc~0 0)} assume { :begin_inline_init_threads2 } true; {65892#(= ~m_pc~0 0)} is VALID [2022-02-20 19:55:06,863 INFO L290 TraceCheckUtils]: 8: Hoare triple {65892#(= ~m_pc~0 0)} assume 1 == ~m_i~0;~m_st~0 := 0; {65892#(= ~m_pc~0 0)} is VALID [2022-02-20 19:55:06,863 INFO L290 TraceCheckUtils]: 9: Hoare triple {65892#(= ~m_pc~0 0)} assume 1 == ~t1_i~0;~t1_st~0 := 0; {65892#(= ~m_pc~0 0)} is VALID [2022-02-20 19:55:06,863 INFO L290 TraceCheckUtils]: 10: Hoare triple {65892#(= ~m_pc~0 0)} assume 1 == ~t2_i~0;~t2_st~0 := 0; {65892#(= ~m_pc~0 0)} is VALID [2022-02-20 19:55:06,863 INFO L290 TraceCheckUtils]: 11: Hoare triple {65892#(= ~m_pc~0 0)} assume { :end_inline_init_threads2 } true; {65892#(= ~m_pc~0 0)} is VALID [2022-02-20 19:55:06,864 INFO L272 TraceCheckUtils]: 12: Hoare triple {65892#(= ~m_pc~0 0)} call fire_delta_events2(); {65936#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} is VALID [2022-02-20 19:55:06,864 INFO L290 TraceCheckUtils]: 13: Hoare triple {65936#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume !(0 == ~M_E~0); {65890#true} is VALID [2022-02-20 19:55:06,864 INFO L290 TraceCheckUtils]: 14: Hoare triple {65890#true} assume !(0 == ~T1_E~0); {65890#true} is VALID [2022-02-20 19:55:06,864 INFO L290 TraceCheckUtils]: 15: Hoare triple {65890#true} assume !(0 == ~T2_E~0); {65890#true} is VALID [2022-02-20 19:55:06,864 INFO L290 TraceCheckUtils]: 16: Hoare triple {65890#true} assume !(0 == ~E_M~0); {65890#true} is VALID [2022-02-20 19:55:06,864 INFO L290 TraceCheckUtils]: 17: Hoare triple {65890#true} assume !(0 == ~E_1~0); {65890#true} is VALID [2022-02-20 19:55:06,864 INFO L290 TraceCheckUtils]: 18: Hoare triple {65890#true} assume !(0 == ~E_2~0); {65890#true} is VALID [2022-02-20 19:55:06,864 INFO L290 TraceCheckUtils]: 19: Hoare triple {65890#true} assume true; {65890#true} is VALID [2022-02-20 19:55:06,865 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {65890#true} {65892#(= ~m_pc~0 0)} #745#return; {65892#(= ~m_pc~0 0)} is VALID [2022-02-20 19:55:06,865 INFO L272 TraceCheckUtils]: 21: Hoare triple {65892#(= ~m_pc~0 0)} call activate_threads2(); {65937#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} is VALID [2022-02-20 19:55:06,865 INFO L290 TraceCheckUtils]: 22: Hoare triple {65937#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~4#1;havoc is_master_triggered_~__retres1~4#1; {65890#true} is VALID [2022-02-20 19:55:06,866 INFO L290 TraceCheckUtils]: 23: Hoare triple {65890#true} assume 1 == ~m_pc~0; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,866 INFO L290 TraceCheckUtils]: 24: Hoare triple {65938#(<= 1 ~m_pc~0)} assume 1 == ~E_M~0;is_master_triggered_~__retres1~4#1 := 1; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,866 INFO L290 TraceCheckUtils]: 25: Hoare triple {65938#(<= 1 ~m_pc~0)} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,866 INFO L290 TraceCheckUtils]: 26: Hoare triple {65938#(<= 1 ~m_pc~0)} #t~ret23#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret23#1 && #t~ret23#1 <= 2147483647;~tmp~5#1 := #t~ret23#1;havoc #t~ret23#1; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,866 INFO L290 TraceCheckUtils]: 27: Hoare triple {65938#(<= 1 ~m_pc~0)} assume 0 != ~tmp~5#1;~m_st~0 := 0; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,867 INFO L290 TraceCheckUtils]: 28: Hoare triple {65938#(<= 1 ~m_pc~0)} assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~5#1;havoc is_transmit1_triggered_~__retres1~5#1; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,867 INFO L290 TraceCheckUtils]: 29: Hoare triple {65938#(<= 1 ~m_pc~0)} assume !(1 == ~t1_pc~0); {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,867 INFO L290 TraceCheckUtils]: 30: Hoare triple {65938#(<= 1 ~m_pc~0)} is_transmit1_triggered_~__retres1~5#1 := 0; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,867 INFO L290 TraceCheckUtils]: 31: Hoare triple {65938#(<= 1 ~m_pc~0)} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,868 INFO L290 TraceCheckUtils]: 32: Hoare triple {65938#(<= 1 ~m_pc~0)} #t~ret24#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp___0~2#1 := #t~ret24#1;havoc #t~ret24#1; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,868 INFO L290 TraceCheckUtils]: 33: Hoare triple {65938#(<= 1 ~m_pc~0)} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,868 INFO L290 TraceCheckUtils]: 34: Hoare triple {65938#(<= 1 ~m_pc~0)} assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~6#1;havoc is_transmit2_triggered_~__retres1~6#1; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,868 INFO L290 TraceCheckUtils]: 35: Hoare triple {65938#(<= 1 ~m_pc~0)} assume 1 == ~t2_pc~0; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,869 INFO L290 TraceCheckUtils]: 36: Hoare triple {65938#(<= 1 ~m_pc~0)} assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~6#1 := 1; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,869 INFO L290 TraceCheckUtils]: 37: Hoare triple {65938#(<= 1 ~m_pc~0)} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,869 INFO L290 TraceCheckUtils]: 38: Hoare triple {65938#(<= 1 ~m_pc~0)} #t~ret25#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___1~1#1 := #t~ret25#1;havoc #t~ret25#1; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,869 INFO L290 TraceCheckUtils]: 39: Hoare triple {65938#(<= 1 ~m_pc~0)} assume 0 != ~tmp___1~1#1;~t2_st~0 := 0; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,870 INFO L290 TraceCheckUtils]: 40: Hoare triple {65938#(<= 1 ~m_pc~0)} assume true; {65938#(<= 1 ~m_pc~0)} is VALID [2022-02-20 19:55:06,870 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {65938#(<= 1 ~m_pc~0)} {65892#(= ~m_pc~0 0)} #747#return; {65891#false} is VALID [2022-02-20 19:55:06,870 INFO L272 TraceCheckUtils]: 42: Hoare triple {65891#false} call reset_delta_events2(); {65936#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} is VALID [2022-02-20 19:55:06,870 INFO L290 TraceCheckUtils]: 43: Hoare triple {65936#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume !(1 == ~M_E~0); {65890#true} is VALID [2022-02-20 19:55:06,870 INFO L290 TraceCheckUtils]: 44: Hoare triple {65890#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {65890#true} is VALID [2022-02-20 19:55:06,870 INFO L290 TraceCheckUtils]: 45: Hoare triple {65890#true} assume !(1 == ~T2_E~0); {65890#true} is VALID [2022-02-20 19:55:06,871 INFO L290 TraceCheckUtils]: 46: Hoare triple {65890#true} assume 1 == ~E_M~0;~E_M~0 := 2; {65890#true} is VALID [2022-02-20 19:55:06,871 INFO L290 TraceCheckUtils]: 47: Hoare triple {65890#true} assume 1 == ~E_1~0;~E_1~0 := 2; {65890#true} is VALID [2022-02-20 19:55:06,871 INFO L290 TraceCheckUtils]: 48: Hoare triple {65890#true} assume 1 == ~E_2~0;~E_2~0 := 2; {65890#true} is VALID [2022-02-20 19:55:06,871 INFO L290 TraceCheckUtils]: 49: Hoare triple {65890#true} assume true; {65890#true} is VALID [2022-02-20 19:55:06,871 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {65890#true} {65891#false} #749#return; {65891#false} is VALID [2022-02-20 19:55:06,871 INFO L290 TraceCheckUtils]: 51: Hoare triple {65891#false} assume !false; {65891#false} is VALID [2022-02-20 19:55:06,871 INFO L290 TraceCheckUtils]: 52: Hoare triple {65891#false} start_simulation2_~kernel_st~1#1 := 1;assume { :begin_inline_eval2 } true;havoc eval2_#t~ret19#1, eval2_#t~nondet20#1, eval2_~tmp_ndt_1~0#1, eval2_#t~nondet21#1, eval2_~tmp_ndt_2~0#1, eval2_#t~nondet22#1, eval2_~tmp_ndt_3~0#1, eval2_~tmp~4#1;havoc eval2_~tmp~4#1; {65891#false} is VALID [2022-02-20 19:55:06,871 INFO L290 TraceCheckUtils]: 53: Hoare triple {65891#false} assume !false; {65891#false} is VALID [2022-02-20 19:55:06,871 INFO L272 TraceCheckUtils]: 54: Hoare triple {65891#false} call eval2_#t~ret19#1 := exists_runnable_thread2(); {65890#true} is VALID [2022-02-20 19:55:06,871 INFO L290 TraceCheckUtils]: 55: Hoare triple {65890#true} havoc ~__retres1~7; {65890#true} is VALID [2022-02-20 19:55:06,872 INFO L290 TraceCheckUtils]: 56: Hoare triple {65890#true} assume 0 == ~m_st~0;~__retres1~7 := 1; {65890#true} is VALID [2022-02-20 19:55:06,872 INFO L290 TraceCheckUtils]: 57: Hoare triple {65890#true} #res := ~__retres1~7; {65890#true} is VALID [2022-02-20 19:55:06,872 INFO L290 TraceCheckUtils]: 58: Hoare triple {65890#true} assume true; {65890#true} is VALID [2022-02-20 19:55:06,872 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {65890#true} {65891#false} #751#return; {65891#false} is VALID [2022-02-20 19:55:06,872 INFO L290 TraceCheckUtils]: 60: Hoare triple {65891#false} assume -2147483648 <= eval2_#t~ret19#1 && eval2_#t~ret19#1 <= 2147483647;eval2_~tmp~4#1 := eval2_#t~ret19#1;havoc eval2_#t~ret19#1; {65891#false} is VALID [2022-02-20 19:55:06,872 INFO L290 TraceCheckUtils]: 61: Hoare triple {65891#false} assume 0 != eval2_~tmp~4#1; {65891#false} is VALID [2022-02-20 19:55:06,872 INFO L290 TraceCheckUtils]: 62: Hoare triple {65891#false} assume 0 == ~m_st~0;havoc eval2_~tmp_ndt_1~0#1;assume -2147483648 <= eval2_#t~nondet20#1 && eval2_#t~nondet20#1 <= 2147483647;eval2_~tmp_ndt_1~0#1 := eval2_#t~nondet20#1;havoc eval2_#t~nondet20#1; {65891#false} is VALID [2022-02-20 19:55:06,872 INFO L290 TraceCheckUtils]: 63: Hoare triple {65891#false} assume 0 != eval2_~tmp_ndt_1~0#1;~m_st~0 := 1;assume { :begin_inline_master } true;havoc master_#t~nondet17#1, master_#t~nondet18#1, master_~tmp_var~0#1;assume -2147483648 <= master_#t~nondet17#1 && master_#t~nondet17#1 <= 2147483647;master_~tmp_var~0#1 := master_#t~nondet17#1;havoc master_#t~nondet17#1; {65891#false} is VALID [2022-02-20 19:55:06,872 INFO L290 TraceCheckUtils]: 64: Hoare triple {65891#false} assume !(0 == ~m_pc~0); {65891#false} is VALID [2022-02-20 19:55:06,872 INFO L290 TraceCheckUtils]: 65: Hoare triple {65891#false} assume 1 == ~m_pc~0; {65891#false} is VALID [2022-02-20 19:55:06,873 INFO L290 TraceCheckUtils]: 66: Hoare triple {65891#false} assume ~token~0 != 2 + ~local~0; {65891#false} is VALID [2022-02-20 19:55:06,873 INFO L272 TraceCheckUtils]: 67: Hoare triple {65891#false} call error2(); {65891#false} is VALID [2022-02-20 19:55:06,873 INFO L290 TraceCheckUtils]: 68: Hoare triple {65891#false} assume !false; {65891#false} is VALID [2022-02-20 19:55:06,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 19:55:06,873 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:55:06,873 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017416283] [2022-02-20 19:55:06,873 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017416283] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:55:06,873 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 19:55:06,874 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 19:55:06,874 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031135234] [2022-02-20 19:55:06,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:55:06,874 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 69 [2022-02-20 19:55:06,874 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:55:06,875 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:06,915 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:06,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 19:55:06,916 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:55:06,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 19:55:06,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 19:55:06,916 INFO L87 Difference]: Start difference. First operand 2560 states and 3636 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:10,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:10,078 INFO L93 Difference]: Finished difference Result 5934 states and 8606 transitions. [2022-02-20 19:55:10,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-20 19:55:10,079 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 69 [2022-02-20 19:55:10,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:55:10,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:10,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 736 transitions. [2022-02-20 19:55:10,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:10,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 736 transitions. [2022-02-20 19:55:10,085 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 736 transitions. [2022-02-20 19:55:10,563 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 736 edges. 736 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:11,239 INFO L225 Difference]: With dead ends: 5934 [2022-02-20 19:55:11,239 INFO L226 Difference]: Without dead ends: 4082 [2022-02-20 19:55:11,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-02-20 19:55:11,243 INFO L933 BasicCegarLoop]: 446 mSDtfsCounter, 684 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 713 SdHoareTripleChecker+Valid, 1003 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-20 19:55:11,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [713 Valid, 1003 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-20 19:55:11,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4082 states. [2022-02-20 19:55:11,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4082 to 3500. [2022-02-20 19:55:11,476 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:55:11,481 INFO L82 GeneralOperation]: Start isEquivalent. First operand 4082 states. Second operand has 3500 states, 2964 states have (on average 1.4021592442645074) internal successors, (4156), 3009 states have internal predecessors, (4156), 320 states have call successors, (320), 186 states have call predecessors, (320), 214 states have return successors, (469), 320 states have call predecessors, (469), 316 states have call successors, (469) [2022-02-20 19:55:11,485 INFO L74 IsIncluded]: Start isIncluded. First operand 4082 states. Second operand has 3500 states, 2964 states have (on average 1.4021592442645074) internal successors, (4156), 3009 states have internal predecessors, (4156), 320 states have call successors, (320), 186 states have call predecessors, (320), 214 states have return successors, (469), 320 states have call predecessors, (469), 316 states have call successors, (469) [2022-02-20 19:55:11,489 INFO L87 Difference]: Start difference. First operand 4082 states. Second operand has 3500 states, 2964 states have (on average 1.4021592442645074) internal successors, (4156), 3009 states have internal predecessors, (4156), 320 states have call successors, (320), 186 states have call predecessors, (320), 214 states have return successors, (469), 320 states have call predecessors, (469), 316 states have call successors, (469) [2022-02-20 19:55:11,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:11,934 INFO L93 Difference]: Finished difference Result 4082 states and 5784 transitions. [2022-02-20 19:55:11,934 INFO L276 IsEmpty]: Start isEmpty. Operand 4082 states and 5784 transitions. [2022-02-20 19:55:11,941 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:11,941 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:11,946 INFO L74 IsIncluded]: Start isIncluded. First operand has 3500 states, 2964 states have (on average 1.4021592442645074) internal successors, (4156), 3009 states have internal predecessors, (4156), 320 states have call successors, (320), 186 states have call predecessors, (320), 214 states have return successors, (469), 320 states have call predecessors, (469), 316 states have call successors, (469) Second operand 4082 states. [2022-02-20 19:55:11,950 INFO L87 Difference]: Start difference. First operand has 3500 states, 2964 states have (on average 1.4021592442645074) internal successors, (4156), 3009 states have internal predecessors, (4156), 320 states have call successors, (320), 186 states have call predecessors, (320), 214 states have return successors, (469), 320 states have call predecessors, (469), 316 states have call successors, (469) Second operand 4082 states. [2022-02-20 19:55:12,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:12,412 INFO L93 Difference]: Finished difference Result 4082 states and 5784 transitions. [2022-02-20 19:55:12,412 INFO L276 IsEmpty]: Start isEmpty. Operand 4082 states and 5784 transitions. [2022-02-20 19:55:12,418 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:12,418 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:12,418 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:55:12,418 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:55:12,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3500 states, 2964 states have (on average 1.4021592442645074) internal successors, (4156), 3009 states have internal predecessors, (4156), 320 states have call successors, (320), 186 states have call predecessors, (320), 214 states have return successors, (469), 320 states have call predecessors, (469), 316 states have call successors, (469) [2022-02-20 19:55:12,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3500 states to 3500 states and 4945 transitions. [2022-02-20 19:55:12,896 INFO L78 Accepts]: Start accepts. Automaton has 3500 states and 4945 transitions. Word has length 69 [2022-02-20 19:55:12,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:55:12,896 INFO L470 AbstractCegarLoop]: Abstraction has 3500 states and 4945 transitions. [2022-02-20 19:55:12,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:12,897 INFO L276 IsEmpty]: Start isEmpty. Operand 3500 states and 4945 transitions. [2022-02-20 19:55:12,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-02-20 19:55:12,898 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:55:12,898 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 19:55:12,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-20 19:55:12,899 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [error1Err0ASSERT_VIOLATIONERROR_FUNCTION, error2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:55:12,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:55:12,899 INFO L85 PathProgramCache]: Analyzing trace with hash 688510564, now seen corresponding path program 1 times [2022-02-20 19:55:12,899 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:55:12,899 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692243765] [2022-02-20 19:55:12,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:55:12,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:55:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:12,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 19:55:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:12,926 INFO L290 TraceCheckUtils]: 0: Hoare triple {86606#true} havoc ~__retres1~2; {86606#true} is VALID [2022-02-20 19:55:12,926 INFO L290 TraceCheckUtils]: 1: Hoare triple {86606#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {86606#true} is VALID [2022-02-20 19:55:12,926 INFO L290 TraceCheckUtils]: 2: Hoare triple {86606#true} #res := ~__retres1~2; {86606#true} is VALID [2022-02-20 19:55:12,926 INFO L290 TraceCheckUtils]: 3: Hoare triple {86606#true} assume true; {86606#true} is VALID [2022-02-20 19:55:12,926 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {86606#true} {86606#true} #731#return; {86606#true} is VALID [2022-02-20 19:55:12,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-20 19:55:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:12,965 INFO L290 TraceCheckUtils]: 0: Hoare triple {86641#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {86606#true} is VALID [2022-02-20 19:55:12,965 INFO L290 TraceCheckUtils]: 1: Hoare triple {86606#true} assume !(1 == ~p_dw_pc~0); {86606#true} is VALID [2022-02-20 19:55:12,966 INFO L290 TraceCheckUtils]: 2: Hoare triple {86606#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {86642#(and (<= |immediate_notify_threads_is_do_write_p_triggered_~__retres1~0#1| 0) (<= 0 |immediate_notify_threads_is_do_write_p_triggered_~__retres1~0#1|))} is VALID [2022-02-20 19:55:12,966 INFO L290 TraceCheckUtils]: 3: Hoare triple {86642#(and (<= |immediate_notify_threads_is_do_write_p_triggered_~__retres1~0#1| 0) (<= 0 |immediate_notify_threads_is_do_write_p_triggered_~__retres1~0#1|))} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {86643#(and (<= |immediate_notify_threads_is_do_write_p_triggered_#res#1| 0) (<= 0 |immediate_notify_threads_is_do_write_p_triggered_#res#1|))} is VALID [2022-02-20 19:55:12,967 INFO L290 TraceCheckUtils]: 4: Hoare triple {86643#(and (<= |immediate_notify_threads_is_do_write_p_triggered_#res#1| 0) (<= 0 |immediate_notify_threads_is_do_write_p_triggered_#res#1|))} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {86644#(and (<= |immediate_notify_threads_~tmp~0#1| 0) (< 0 (+ |immediate_notify_threads_~tmp~0#1| 1)))} is VALID [2022-02-20 19:55:12,967 INFO L290 TraceCheckUtils]: 5: Hoare triple {86644#(and (<= |immediate_notify_threads_~tmp~0#1| 0) (< 0 (+ |immediate_notify_threads_~tmp~0#1| 1)))} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {86607#false} is VALID [2022-02-20 19:55:12,967 INFO L290 TraceCheckUtils]: 6: Hoare triple {86607#false} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {86607#false} is VALID [2022-02-20 19:55:12,967 INFO L290 TraceCheckUtils]: 7: Hoare triple {86607#false} assume !(1 == ~c_dr_pc~0); {86607#false} is VALID [2022-02-20 19:55:12,967 INFO L290 TraceCheckUtils]: 8: Hoare triple {86607#false} is_do_read_c_triggered_~__retres1~1#1 := 0; {86607#false} is VALID [2022-02-20 19:55:12,967 INFO L290 TraceCheckUtils]: 9: Hoare triple {86607#false} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {86607#false} is VALID [2022-02-20 19:55:12,967 INFO L290 TraceCheckUtils]: 10: Hoare triple {86607#false} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {86607#false} is VALID [2022-02-20 19:55:12,968 INFO L290 TraceCheckUtils]: 11: Hoare triple {86607#false} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {86607#false} is VALID [2022-02-20 19:55:12,968 INFO L290 TraceCheckUtils]: 12: Hoare triple {86607#false} assume true; {86607#false} is VALID [2022-02-20 19:55:12,968 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {86607#false} {86606#true} #733#return; {86607#false} is VALID [2022-02-20 19:55:12,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-02-20 19:55:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:12,975 INFO L290 TraceCheckUtils]: 0: Hoare triple {86641#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {86606#true} is VALID [2022-02-20 19:55:12,975 INFO L290 TraceCheckUtils]: 1: Hoare triple {86606#true} assume !(1 == ~p_dw_pc~0); {86606#true} is VALID [2022-02-20 19:55:12,975 INFO L290 TraceCheckUtils]: 2: Hoare triple {86606#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {86606#true} is VALID [2022-02-20 19:55:12,975 INFO L290 TraceCheckUtils]: 3: Hoare triple {86606#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {86606#true} is VALID [2022-02-20 19:55:12,975 INFO L290 TraceCheckUtils]: 4: Hoare triple {86606#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {86606#true} is VALID [2022-02-20 19:55:12,975 INFO L290 TraceCheckUtils]: 5: Hoare triple {86606#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {86606#true} is VALID [2022-02-20 19:55:12,976 INFO L290 TraceCheckUtils]: 6: Hoare triple {86606#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {86606#true} is VALID [2022-02-20 19:55:12,976 INFO L290 TraceCheckUtils]: 7: Hoare triple {86606#true} assume !(1 == ~c_dr_pc~0); {86606#true} is VALID [2022-02-20 19:55:12,976 INFO L290 TraceCheckUtils]: 8: Hoare triple {86606#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {86606#true} is VALID [2022-02-20 19:55:12,976 INFO L290 TraceCheckUtils]: 9: Hoare triple {86606#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {86606#true} is VALID [2022-02-20 19:55:12,976 INFO L290 TraceCheckUtils]: 10: Hoare triple {86606#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {86606#true} is VALID [2022-02-20 19:55:12,976 INFO L290 TraceCheckUtils]: 11: Hoare triple {86606#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {86606#true} is VALID [2022-02-20 19:55:12,976 INFO L290 TraceCheckUtils]: 12: Hoare triple {86606#true} assume true; {86606#true} is VALID [2022-02-20 19:55:12,976 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {86606#true} {86607#false} #735#return; {86607#false} is VALID [2022-02-20 19:55:12,976 INFO L290 TraceCheckUtils]: 0: Hoare triple {86606#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~token~0 := 0;~local~0 := 0; {86606#true} is VALID [2022-02-20 19:55:12,977 INFO L290 TraceCheckUtils]: 1: Hoare triple {86606#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1;assume -2147483648 <= main_#t~nondet29#1 && main_#t~nondet29#1 <= 2147483647; {86606#true} is VALID [2022-02-20 19:55:12,977 INFO L290 TraceCheckUtils]: 2: Hoare triple {86606#true} assume 0 != main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_main1 } true;havoc main1_#res#1;havoc main1_~__retres1~3#1;havoc main1_~__retres1~3#1;assume { :begin_inline_init_model1 } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {86606#true} is VALID [2022-02-20 19:55:12,977 INFO L290 TraceCheckUtils]: 3: Hoare triple {86606#true} assume { :end_inline_init_model1 } true;assume { :begin_inline_start_simulation1 } true;havoc start_simulation1_#t~ret12#1, start_simulation1_~kernel_st~0#1, start_simulation1_~tmp~3#1;havoc start_simulation1_~kernel_st~0#1;havoc start_simulation1_~tmp~3#1;start_simulation1_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads1 } true; {86606#true} is VALID [2022-02-20 19:55:12,977 INFO L290 TraceCheckUtils]: 4: Hoare triple {86606#true} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {86606#true} is VALID [2022-02-20 19:55:12,977 INFO L290 TraceCheckUtils]: 5: Hoare triple {86606#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {86606#true} is VALID [2022-02-20 19:55:12,977 INFO L290 TraceCheckUtils]: 6: Hoare triple {86606#true} assume { :end_inline_init_threads1 } true; {86606#true} is VALID [2022-02-20 19:55:12,977 INFO L290 TraceCheckUtils]: 7: Hoare triple {86606#true} assume !false; {86606#true} is VALID [2022-02-20 19:55:12,977 INFO L290 TraceCheckUtils]: 8: Hoare triple {86606#true} start_simulation1_~kernel_st~0#1 := 1;assume { :begin_inline_eval1 } true;havoc eval1_#t~ret8#1, eval1_#t~nondet9#1, eval1_#t~nondet10#1, eval1_~tmp~1#1, eval1_~tmp___0~1#1, eval1_~tmp___1~0#1;havoc eval1_~tmp~1#1;havoc eval1_~tmp___0~1#1;havoc eval1_~tmp___1~0#1; {86606#true} is VALID [2022-02-20 19:55:12,978 INFO L290 TraceCheckUtils]: 9: Hoare triple {86606#true} assume !false; {86606#true} is VALID [2022-02-20 19:55:12,978 INFO L272 TraceCheckUtils]: 10: Hoare triple {86606#true} call eval1_#t~ret8#1 := exists_runnable_thread1(); {86606#true} is VALID [2022-02-20 19:55:12,978 INFO L290 TraceCheckUtils]: 11: Hoare triple {86606#true} havoc ~__retres1~2; {86606#true} is VALID [2022-02-20 19:55:12,978 INFO L290 TraceCheckUtils]: 12: Hoare triple {86606#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {86606#true} is VALID [2022-02-20 19:55:12,978 INFO L290 TraceCheckUtils]: 13: Hoare triple {86606#true} #res := ~__retres1~2; {86606#true} is VALID [2022-02-20 19:55:12,978 INFO L290 TraceCheckUtils]: 14: Hoare triple {86606#true} assume true; {86606#true} is VALID [2022-02-20 19:55:12,978 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {86606#true} {86606#true} #731#return; {86606#true} is VALID [2022-02-20 19:55:12,978 INFO L290 TraceCheckUtils]: 16: Hoare triple {86606#true} assume -2147483648 <= eval1_#t~ret8#1 && eval1_#t~ret8#1 <= 2147483647;eval1_~tmp___1~0#1 := eval1_#t~ret8#1;havoc eval1_#t~ret8#1; {86606#true} is VALID [2022-02-20 19:55:12,978 INFO L290 TraceCheckUtils]: 17: Hoare triple {86606#true} assume 0 != eval1_~tmp___1~0#1; {86606#true} is VALID [2022-02-20 19:55:12,979 INFO L290 TraceCheckUtils]: 18: Hoare triple {86606#true} assume 0 == ~p_dw_st~0;assume -2147483648 <= eval1_#t~nondet9#1 && eval1_#t~nondet9#1 <= 2147483647;eval1_~tmp~1#1 := eval1_#t~nondet9#1;havoc eval1_#t~nondet9#1; {86606#true} is VALID [2022-02-20 19:55:12,979 INFO L290 TraceCheckUtils]: 19: Hoare triple {86606#true} assume 0 != eval1_~tmp~1#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet7#1; {86606#true} is VALID [2022-02-20 19:55:12,979 INFO L290 TraceCheckUtils]: 20: Hoare triple {86606#true} assume 0 == ~p_dw_pc~0; {86606#true} is VALID [2022-02-20 19:55:12,979 INFO L290 TraceCheckUtils]: 21: Hoare triple {86606#true} assume !false; {86606#true} is VALID [2022-02-20 19:55:12,979 INFO L290 TraceCheckUtils]: 22: Hoare triple {86606#true} assume !(0 == ~q_free~0); {86606#true} is VALID [2022-02-20 19:55:12,979 INFO L290 TraceCheckUtils]: 23: Hoare triple {86606#true} assume -2147483648 <= do_write_p_#t~nondet7#1 && do_write_p_#t~nondet7#1 <= 2147483647;~q_buf_0~0 := do_write_p_#t~nondet7#1;havoc do_write_p_#t~nondet7#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1; {86606#true} is VALID [2022-02-20 19:55:12,980 INFO L272 TraceCheckUtils]: 24: Hoare triple {86606#true} call immediate_notify_threads(); {86641#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:55:12,980 INFO L290 TraceCheckUtils]: 25: Hoare triple {86641#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {86606#true} is VALID [2022-02-20 19:55:12,980 INFO L290 TraceCheckUtils]: 26: Hoare triple {86606#true} assume !(1 == ~p_dw_pc~0); {86606#true} is VALID [2022-02-20 19:55:12,980 INFO L290 TraceCheckUtils]: 27: Hoare triple {86606#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {86642#(and (<= |immediate_notify_threads_is_do_write_p_triggered_~__retres1~0#1| 0) (<= 0 |immediate_notify_threads_is_do_write_p_triggered_~__retres1~0#1|))} is VALID [2022-02-20 19:55:12,981 INFO L290 TraceCheckUtils]: 28: Hoare triple {86642#(and (<= |immediate_notify_threads_is_do_write_p_triggered_~__retres1~0#1| 0) (<= 0 |immediate_notify_threads_is_do_write_p_triggered_~__retres1~0#1|))} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {86643#(and (<= |immediate_notify_threads_is_do_write_p_triggered_#res#1| 0) (<= 0 |immediate_notify_threads_is_do_write_p_triggered_#res#1|))} is VALID [2022-02-20 19:55:12,981 INFO L290 TraceCheckUtils]: 29: Hoare triple {86643#(and (<= |immediate_notify_threads_is_do_write_p_triggered_#res#1| 0) (<= 0 |immediate_notify_threads_is_do_write_p_triggered_#res#1|))} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {86644#(and (<= |immediate_notify_threads_~tmp~0#1| 0) (< 0 (+ |immediate_notify_threads_~tmp~0#1| 1)))} is VALID [2022-02-20 19:55:12,981 INFO L290 TraceCheckUtils]: 30: Hoare triple {86644#(and (<= |immediate_notify_threads_~tmp~0#1| 0) (< 0 (+ |immediate_notify_threads_~tmp~0#1| 1)))} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {86607#false} is VALID [2022-02-20 19:55:12,981 INFO L290 TraceCheckUtils]: 31: Hoare triple {86607#false} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {86607#false} is VALID [2022-02-20 19:55:12,982 INFO L290 TraceCheckUtils]: 32: Hoare triple {86607#false} assume !(1 == ~c_dr_pc~0); {86607#false} is VALID [2022-02-20 19:55:12,982 INFO L290 TraceCheckUtils]: 33: Hoare triple {86607#false} is_do_read_c_triggered_~__retres1~1#1 := 0; {86607#false} is VALID [2022-02-20 19:55:12,982 INFO L290 TraceCheckUtils]: 34: Hoare triple {86607#false} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {86607#false} is VALID [2022-02-20 19:55:12,982 INFO L290 TraceCheckUtils]: 35: Hoare triple {86607#false} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {86607#false} is VALID [2022-02-20 19:55:12,982 INFO L290 TraceCheckUtils]: 36: Hoare triple {86607#false} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {86607#false} is VALID [2022-02-20 19:55:12,982 INFO L290 TraceCheckUtils]: 37: Hoare triple {86607#false} assume true; {86607#false} is VALID [2022-02-20 19:55:12,982 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {86607#false} {86606#true} #733#return; {86607#false} is VALID [2022-02-20 19:55:12,982 INFO L290 TraceCheckUtils]: 39: Hoare triple {86607#false} ~q_write_ev~0 := 2; {86607#false} is VALID [2022-02-20 19:55:12,982 INFO L290 TraceCheckUtils]: 40: Hoare triple {86607#false} assume !false; {86607#false} is VALID [2022-02-20 19:55:12,982 INFO L290 TraceCheckUtils]: 41: Hoare triple {86607#false} assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; {86607#false} is VALID [2022-02-20 19:55:12,983 INFO L290 TraceCheckUtils]: 42: Hoare triple {86607#false} assume { :end_inline_do_write_p } true; {86607#false} is VALID [2022-02-20 19:55:12,983 INFO L290 TraceCheckUtils]: 43: Hoare triple {86607#false} assume 0 == ~c_dr_st~0;assume -2147483648 <= eval1_#t~nondet10#1 && eval1_#t~nondet10#1 <= 2147483647;eval1_~tmp___0~1#1 := eval1_#t~nondet10#1;havoc eval1_#t~nondet10#1; {86607#false} is VALID [2022-02-20 19:55:12,983 INFO L290 TraceCheckUtils]: 44: Hoare triple {86607#false} assume 0 != eval1_~tmp___0~1#1;~c_dr_st~0 := 1;assume { :begin_inline_do_read_c } true;havoc do_read_c_~a~0#1;havoc do_read_c_~a~0#1; {86607#false} is VALID [2022-02-20 19:55:12,983 INFO L290 TraceCheckUtils]: 45: Hoare triple {86607#false} assume 0 == ~c_dr_pc~0; {86607#false} is VALID [2022-02-20 19:55:12,983 INFO L290 TraceCheckUtils]: 46: Hoare triple {86607#false} assume !false; {86607#false} is VALID [2022-02-20 19:55:12,983 INFO L290 TraceCheckUtils]: 47: Hoare triple {86607#false} assume !(1 == ~q_free~0); {86607#false} is VALID [2022-02-20 19:55:12,983 INFO L290 TraceCheckUtils]: 48: Hoare triple {86607#false} do_read_c_~a~0#1 := ~q_buf_0~0;~c_last_read~0 := do_read_c_~a~0#1;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_read_ev~0 := 1; {86607#false} is VALID [2022-02-20 19:55:12,983 INFO L272 TraceCheckUtils]: 49: Hoare triple {86607#false} call immediate_notify_threads(); {86641#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:55:12,984 INFO L290 TraceCheckUtils]: 50: Hoare triple {86641#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {86606#true} is VALID [2022-02-20 19:55:12,984 INFO L290 TraceCheckUtils]: 51: Hoare triple {86606#true} assume !(1 == ~p_dw_pc~0); {86606#true} is VALID [2022-02-20 19:55:12,984 INFO L290 TraceCheckUtils]: 52: Hoare triple {86606#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {86606#true} is VALID [2022-02-20 19:55:12,984 INFO L290 TraceCheckUtils]: 53: Hoare triple {86606#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {86606#true} is VALID [2022-02-20 19:55:12,984 INFO L290 TraceCheckUtils]: 54: Hoare triple {86606#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {86606#true} is VALID [2022-02-20 19:55:12,984 INFO L290 TraceCheckUtils]: 55: Hoare triple {86606#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {86606#true} is VALID [2022-02-20 19:55:12,984 INFO L290 TraceCheckUtils]: 56: Hoare triple {86606#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {86606#true} is VALID [2022-02-20 19:55:12,984 INFO L290 TraceCheckUtils]: 57: Hoare triple {86606#true} assume !(1 == ~c_dr_pc~0); {86606#true} is VALID [2022-02-20 19:55:12,984 INFO L290 TraceCheckUtils]: 58: Hoare triple {86606#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {86606#true} is VALID [2022-02-20 19:55:12,985 INFO L290 TraceCheckUtils]: 59: Hoare triple {86606#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {86606#true} is VALID [2022-02-20 19:55:12,985 INFO L290 TraceCheckUtils]: 60: Hoare triple {86606#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {86606#true} is VALID [2022-02-20 19:55:12,985 INFO L290 TraceCheckUtils]: 61: Hoare triple {86606#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {86606#true} is VALID [2022-02-20 19:55:12,985 INFO L290 TraceCheckUtils]: 62: Hoare triple {86606#true} assume true; {86606#true} is VALID [2022-02-20 19:55:12,985 INFO L284 TraceCheckUtils]: 63: Hoare quadruple {86606#true} {86607#false} #735#return; {86607#false} is VALID [2022-02-20 19:55:12,985 INFO L290 TraceCheckUtils]: 64: Hoare triple {86607#false} ~q_read_ev~0 := 2; {86607#false} is VALID [2022-02-20 19:55:12,985 INFO L290 TraceCheckUtils]: 65: Hoare triple {86607#false} assume !(~p_last_write~0 == ~c_last_read~0); {86607#false} is VALID [2022-02-20 19:55:12,985 INFO L272 TraceCheckUtils]: 66: Hoare triple {86607#false} call error1(); {86607#false} is VALID [2022-02-20 19:55:12,985 INFO L290 TraceCheckUtils]: 67: Hoare triple {86607#false} assume !false; {86607#false} is VALID [2022-02-20 19:55:12,986 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-20 19:55:12,986 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:55:12,986 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692243765] [2022-02-20 19:55:12,986 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692243765] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 19:55:12,986 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548816035] [2022-02-20 19:55:12,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:55:12,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 19:55:12,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 19:55:12,988 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 19:55:13,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-20 19:55:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:13,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-20 19:55:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:13,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 19:55:13,299 INFO L290 TraceCheckUtils]: 0: Hoare triple {86606#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~token~0 := 0;~local~0 := 0; {86606#true} is VALID [2022-02-20 19:55:13,299 INFO L290 TraceCheckUtils]: 1: Hoare triple {86606#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1;assume -2147483648 <= main_#t~nondet29#1 && main_#t~nondet29#1 <= 2147483647; {86606#true} is VALID [2022-02-20 19:55:13,300 INFO L290 TraceCheckUtils]: 2: Hoare triple {86606#true} assume 0 != main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_main1 } true;havoc main1_#res#1;havoc main1_~__retres1~3#1;havoc main1_~__retres1~3#1;assume { :begin_inline_init_model1 } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {86606#true} is VALID [2022-02-20 19:55:13,300 INFO L290 TraceCheckUtils]: 3: Hoare triple {86606#true} assume { :end_inline_init_model1 } true;assume { :begin_inline_start_simulation1 } true;havoc start_simulation1_#t~ret12#1, start_simulation1_~kernel_st~0#1, start_simulation1_~tmp~3#1;havoc start_simulation1_~kernel_st~0#1;havoc start_simulation1_~tmp~3#1;start_simulation1_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads1 } true; {86606#true} is VALID [2022-02-20 19:55:13,300 INFO L290 TraceCheckUtils]: 4: Hoare triple {86606#true} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {86606#true} is VALID [2022-02-20 19:55:13,300 INFO L290 TraceCheckUtils]: 5: Hoare triple {86606#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {86606#true} is VALID [2022-02-20 19:55:13,300 INFO L290 TraceCheckUtils]: 6: Hoare triple {86606#true} assume { :end_inline_init_threads1 } true; {86606#true} is VALID [2022-02-20 19:55:13,300 INFO L290 TraceCheckUtils]: 7: Hoare triple {86606#true} assume !false; {86606#true} is VALID [2022-02-20 19:55:13,300 INFO L290 TraceCheckUtils]: 8: Hoare triple {86606#true} start_simulation1_~kernel_st~0#1 := 1;assume { :begin_inline_eval1 } true;havoc eval1_#t~ret8#1, eval1_#t~nondet9#1, eval1_#t~nondet10#1, eval1_~tmp~1#1, eval1_~tmp___0~1#1, eval1_~tmp___1~0#1;havoc eval1_~tmp~1#1;havoc eval1_~tmp___0~1#1;havoc eval1_~tmp___1~0#1; {86606#true} is VALID [2022-02-20 19:55:13,301 INFO L290 TraceCheckUtils]: 9: Hoare triple {86606#true} assume !false; {86606#true} is VALID [2022-02-20 19:55:13,301 INFO L272 TraceCheckUtils]: 10: Hoare triple {86606#true} call eval1_#t~ret8#1 := exists_runnable_thread1(); {86606#true} is VALID [2022-02-20 19:55:13,301 INFO L290 TraceCheckUtils]: 11: Hoare triple {86606#true} havoc ~__retres1~2; {86606#true} is VALID [2022-02-20 19:55:13,301 INFO L290 TraceCheckUtils]: 12: Hoare triple {86606#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {86606#true} is VALID [2022-02-20 19:55:13,301 INFO L290 TraceCheckUtils]: 13: Hoare triple {86606#true} #res := ~__retres1~2; {86606#true} is VALID [2022-02-20 19:55:13,301 INFO L290 TraceCheckUtils]: 14: Hoare triple {86606#true} assume true; {86606#true} is VALID [2022-02-20 19:55:13,301 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {86606#true} {86606#true} #731#return; {86606#true} is VALID [2022-02-20 19:55:13,301 INFO L290 TraceCheckUtils]: 16: Hoare triple {86606#true} assume -2147483648 <= eval1_#t~ret8#1 && eval1_#t~ret8#1 <= 2147483647;eval1_~tmp___1~0#1 := eval1_#t~ret8#1;havoc eval1_#t~ret8#1; {86606#true} is VALID [2022-02-20 19:55:13,302 INFO L290 TraceCheckUtils]: 17: Hoare triple {86606#true} assume 0 != eval1_~tmp___1~0#1; {86606#true} is VALID [2022-02-20 19:55:13,302 INFO L290 TraceCheckUtils]: 18: Hoare triple {86606#true} assume 0 == ~p_dw_st~0;assume -2147483648 <= eval1_#t~nondet9#1 && eval1_#t~nondet9#1 <= 2147483647;eval1_~tmp~1#1 := eval1_#t~nondet9#1;havoc eval1_#t~nondet9#1; {86606#true} is VALID [2022-02-20 19:55:13,302 INFO L290 TraceCheckUtils]: 19: Hoare triple {86606#true} assume 0 != eval1_~tmp~1#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet7#1; {86606#true} is VALID [2022-02-20 19:55:13,302 INFO L290 TraceCheckUtils]: 20: Hoare triple {86606#true} assume 0 == ~p_dw_pc~0; {86606#true} is VALID [2022-02-20 19:55:13,302 INFO L290 TraceCheckUtils]: 21: Hoare triple {86606#true} assume !false; {86606#true} is VALID [2022-02-20 19:55:13,302 INFO L290 TraceCheckUtils]: 22: Hoare triple {86606#true} assume !(0 == ~q_free~0); {86606#true} is VALID [2022-02-20 19:55:13,302 INFO L290 TraceCheckUtils]: 23: Hoare triple {86606#true} assume -2147483648 <= do_write_p_#t~nondet7#1 && do_write_p_#t~nondet7#1 <= 2147483647;~q_buf_0~0 := do_write_p_#t~nondet7#1;havoc do_write_p_#t~nondet7#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1; {86606#true} is VALID [2022-02-20 19:55:13,302 INFO L272 TraceCheckUtils]: 24: Hoare triple {86606#true} call immediate_notify_threads(); {86606#true} is VALID [2022-02-20 19:55:13,303 INFO L290 TraceCheckUtils]: 25: Hoare triple {86606#true} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {86606#true} is VALID [2022-02-20 19:55:13,303 INFO L290 TraceCheckUtils]: 26: Hoare triple {86606#true} assume !(1 == ~p_dw_pc~0); {86606#true} is VALID [2022-02-20 19:55:13,303 INFO L290 TraceCheckUtils]: 27: Hoare triple {86606#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {86606#true} is VALID [2022-02-20 19:55:13,303 INFO L290 TraceCheckUtils]: 28: Hoare triple {86606#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {86606#true} is VALID [2022-02-20 19:55:13,303 INFO L290 TraceCheckUtils]: 29: Hoare triple {86606#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {86606#true} is VALID [2022-02-20 19:55:13,303 INFO L290 TraceCheckUtils]: 30: Hoare triple {86606#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {86606#true} is VALID [2022-02-20 19:55:13,303 INFO L290 TraceCheckUtils]: 31: Hoare triple {86606#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {86606#true} is VALID [2022-02-20 19:55:13,304 INFO L290 TraceCheckUtils]: 32: Hoare triple {86606#true} assume !(1 == ~c_dr_pc~0); {86606#true} is VALID [2022-02-20 19:55:13,304 INFO L290 TraceCheckUtils]: 33: Hoare triple {86606#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {86606#true} is VALID [2022-02-20 19:55:13,304 INFO L290 TraceCheckUtils]: 34: Hoare triple {86606#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {86606#true} is VALID [2022-02-20 19:55:13,304 INFO L290 TraceCheckUtils]: 35: Hoare triple {86606#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {86606#true} is VALID [2022-02-20 19:55:13,304 INFO L290 TraceCheckUtils]: 36: Hoare triple {86606#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {86606#true} is VALID [2022-02-20 19:55:13,304 INFO L290 TraceCheckUtils]: 37: Hoare triple {86606#true} assume true; {86606#true} is VALID [2022-02-20 19:55:13,304 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {86606#true} {86606#true} #733#return; {86606#true} is VALID [2022-02-20 19:55:13,304 INFO L290 TraceCheckUtils]: 39: Hoare triple {86606#true} ~q_write_ev~0 := 2; {86606#true} is VALID [2022-02-20 19:55:13,305 INFO L290 TraceCheckUtils]: 40: Hoare triple {86606#true} assume !false; {86606#true} is VALID [2022-02-20 19:55:13,305 INFO L290 TraceCheckUtils]: 41: Hoare triple {86606#true} assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; {86771#(= ~p_dw_pc~0 1)} is VALID [2022-02-20 19:55:13,305 INFO L290 TraceCheckUtils]: 42: Hoare triple {86771#(= ~p_dw_pc~0 1)} assume { :end_inline_do_write_p } true; {86771#(= ~p_dw_pc~0 1)} is VALID [2022-02-20 19:55:13,306 INFO L290 TraceCheckUtils]: 43: Hoare triple {86771#(= ~p_dw_pc~0 1)} assume 0 == ~c_dr_st~0;assume -2147483648 <= eval1_#t~nondet10#1 && eval1_#t~nondet10#1 <= 2147483647;eval1_~tmp___0~1#1 := eval1_#t~nondet10#1;havoc eval1_#t~nondet10#1; {86771#(= ~p_dw_pc~0 1)} is VALID [2022-02-20 19:55:13,306 INFO L290 TraceCheckUtils]: 44: Hoare triple {86771#(= ~p_dw_pc~0 1)} assume 0 != eval1_~tmp___0~1#1;~c_dr_st~0 := 1;assume { :begin_inline_do_read_c } true;havoc do_read_c_~a~0#1;havoc do_read_c_~a~0#1; {86771#(= ~p_dw_pc~0 1)} is VALID [2022-02-20 19:55:13,307 INFO L290 TraceCheckUtils]: 45: Hoare triple {86771#(= ~p_dw_pc~0 1)} assume 0 == ~c_dr_pc~0; {86771#(= ~p_dw_pc~0 1)} is VALID [2022-02-20 19:55:13,307 INFO L290 TraceCheckUtils]: 46: Hoare triple {86771#(= ~p_dw_pc~0 1)} assume !false; {86771#(= ~p_dw_pc~0 1)} is VALID [2022-02-20 19:55:13,307 INFO L290 TraceCheckUtils]: 47: Hoare triple {86771#(= ~p_dw_pc~0 1)} assume !(1 == ~q_free~0); {86771#(= ~p_dw_pc~0 1)} is VALID [2022-02-20 19:55:13,308 INFO L290 TraceCheckUtils]: 48: Hoare triple {86771#(= ~p_dw_pc~0 1)} do_read_c_~a~0#1 := ~q_buf_0~0;~c_last_read~0 := do_read_c_~a~0#1;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_read_ev~0 := 1; {86771#(= ~p_dw_pc~0 1)} is VALID [2022-02-20 19:55:13,308 INFO L272 TraceCheckUtils]: 49: Hoare triple {86771#(= ~p_dw_pc~0 1)} call immediate_notify_threads(); {86771#(= ~p_dw_pc~0 1)} is VALID [2022-02-20 19:55:13,308 INFO L290 TraceCheckUtils]: 50: Hoare triple {86771#(= ~p_dw_pc~0 1)} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {86771#(= ~p_dw_pc~0 1)} is VALID [2022-02-20 19:55:13,309 INFO L290 TraceCheckUtils]: 51: Hoare triple {86771#(= ~p_dw_pc~0 1)} assume !(1 == ~p_dw_pc~0); {86607#false} is VALID [2022-02-20 19:55:13,309 INFO L290 TraceCheckUtils]: 52: Hoare triple {86607#false} is_do_write_p_triggered_~__retres1~0#1 := 0; {86607#false} is VALID [2022-02-20 19:55:13,309 INFO L290 TraceCheckUtils]: 53: Hoare triple {86607#false} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {86607#false} is VALID [2022-02-20 19:55:13,309 INFO L290 TraceCheckUtils]: 54: Hoare triple {86607#false} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {86607#false} is VALID [2022-02-20 19:55:13,309 INFO L290 TraceCheckUtils]: 55: Hoare triple {86607#false} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {86607#false} is VALID [2022-02-20 19:55:13,309 INFO L290 TraceCheckUtils]: 56: Hoare triple {86607#false} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {86607#false} is VALID [2022-02-20 19:55:13,310 INFO L290 TraceCheckUtils]: 57: Hoare triple {86607#false} assume !(1 == ~c_dr_pc~0); {86607#false} is VALID [2022-02-20 19:55:13,310 INFO L290 TraceCheckUtils]: 58: Hoare triple {86607#false} is_do_read_c_triggered_~__retres1~1#1 := 0; {86607#false} is VALID [2022-02-20 19:55:13,310 INFO L290 TraceCheckUtils]: 59: Hoare triple {86607#false} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {86607#false} is VALID [2022-02-20 19:55:13,310 INFO L290 TraceCheckUtils]: 60: Hoare triple {86607#false} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {86607#false} is VALID [2022-02-20 19:55:13,310 INFO L290 TraceCheckUtils]: 61: Hoare triple {86607#false} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {86607#false} is VALID [2022-02-20 19:55:13,310 INFO L290 TraceCheckUtils]: 62: Hoare triple {86607#false} assume true; {86607#false} is VALID [2022-02-20 19:55:13,310 INFO L284 TraceCheckUtils]: 63: Hoare quadruple {86607#false} {86771#(= ~p_dw_pc~0 1)} #735#return; {86607#false} is VALID [2022-02-20 19:55:13,310 INFO L290 TraceCheckUtils]: 64: Hoare triple {86607#false} ~q_read_ev~0 := 2; {86607#false} is VALID [2022-02-20 19:55:13,311 INFO L290 TraceCheckUtils]: 65: Hoare triple {86607#false} assume !(~p_last_write~0 == ~c_last_read~0); {86607#false} is VALID [2022-02-20 19:55:13,311 INFO L272 TraceCheckUtils]: 66: Hoare triple {86607#false} call error1(); {86607#false} is VALID [2022-02-20 19:55:13,311 INFO L290 TraceCheckUtils]: 67: Hoare triple {86607#false} assume !false; {86607#false} is VALID [2022-02-20 19:55:13,311 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-20 19:55:13,311 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 19:55:13,312 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548816035] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:55:13,312 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-20 19:55:13,312 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-02-20 19:55:13,312 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974339335] [2022-02-20 19:55:13,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:55:13,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 68 [2022-02-20 19:55:13,313 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:55:13,313 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 19:55:13,374 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:13,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 19:55:13,375 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:55:13,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 19:55:13,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-20 19:55:13,376 INFO L87 Difference]: Start difference. First operand 3500 states and 4945 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 19:55:14,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:14,504 INFO L93 Difference]: Finished difference Result 4043 states and 5668 transitions. [2022-02-20 19:55:14,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 19:55:14,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 68 [2022-02-20 19:55:14,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:55:14,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 19:55:14,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 438 transitions. [2022-02-20 19:55:14,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 19:55:14,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 438 transitions. [2022-02-20 19:55:14,509 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 438 transitions. [2022-02-20 19:55:14,737 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 438 edges. 438 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:15,255 INFO L225 Difference]: With dead ends: 4043 [2022-02-20 19:55:15,255 INFO L226 Difference]: Without dead ends: 3498 [2022-02-20 19:55:15,257 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-20 19:55:15,257 INFO L933 BasicCegarLoop]: 339 mSDtfsCounter, 72 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 19:55:15,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 600 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 19:55:15,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3498 states. [2022-02-20 19:55:15,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3498 to 3454. [2022-02-20 19:55:15,487 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:55:15,491 INFO L82 GeneralOperation]: Start isEquivalent. First operand 3498 states. Second operand has 3454 states, 2924 states have (on average 1.3991108071135432) internal successors, (4091), 2969 states have internal predecessors, (4091), 316 states have call successors, (316), 184 states have call predecessors, (316), 212 states have return successors, (463), 316 states have call predecessors, (463), 312 states have call successors, (463) [2022-02-20 19:55:15,496 INFO L74 IsIncluded]: Start isIncluded. First operand 3498 states. Second operand has 3454 states, 2924 states have (on average 1.3991108071135432) internal successors, (4091), 2969 states have internal predecessors, (4091), 316 states have call successors, (316), 184 states have call predecessors, (316), 212 states have return successors, (463), 316 states have call predecessors, (463), 312 states have call successors, (463) [2022-02-20 19:55:15,499 INFO L87 Difference]: Start difference. First operand 3498 states. Second operand has 3454 states, 2924 states have (on average 1.3991108071135432) internal successors, (4091), 2969 states have internal predecessors, (4091), 316 states have call successors, (316), 184 states have call predecessors, (316), 212 states have return successors, (463), 316 states have call predecessors, (463), 312 states have call successors, (463) [2022-02-20 19:55:15,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:15,836 INFO L93 Difference]: Finished difference Result 3498 states and 4925 transitions. [2022-02-20 19:55:15,836 INFO L276 IsEmpty]: Start isEmpty. Operand 3498 states and 4925 transitions. [2022-02-20 19:55:15,843 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:15,844 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:15,848 INFO L74 IsIncluded]: Start isIncluded. First operand has 3454 states, 2924 states have (on average 1.3991108071135432) internal successors, (4091), 2969 states have internal predecessors, (4091), 316 states have call successors, (316), 184 states have call predecessors, (316), 212 states have return successors, (463), 316 states have call predecessors, (463), 312 states have call successors, (463) Second operand 3498 states. [2022-02-20 19:55:15,852 INFO L87 Difference]: Start difference. First operand has 3454 states, 2924 states have (on average 1.3991108071135432) internal successors, (4091), 2969 states have internal predecessors, (4091), 316 states have call successors, (316), 184 states have call predecessors, (316), 212 states have return successors, (463), 316 states have call predecessors, (463), 312 states have call successors, (463) Second operand 3498 states. [2022-02-20 19:55:16,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:16,192 INFO L93 Difference]: Finished difference Result 3498 states and 4925 transitions. [2022-02-20 19:55:16,193 INFO L276 IsEmpty]: Start isEmpty. Operand 3498 states and 4925 transitions. [2022-02-20 19:55:16,198 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:16,198 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:16,198 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:55:16,198 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:55:16,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3454 states, 2924 states have (on average 1.3991108071135432) internal successors, (4091), 2969 states have internal predecessors, (4091), 316 states have call successors, (316), 184 states have call predecessors, (316), 212 states have return successors, (463), 316 states have call predecessors, (463), 312 states have call successors, (463) [2022-02-20 19:55:16,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3454 states to 3454 states and 4870 transitions. [2022-02-20 19:55:16,677 INFO L78 Accepts]: Start accepts. Automaton has 3454 states and 4870 transitions. Word has length 68 [2022-02-20 19:55:16,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:55:16,678 INFO L470 AbstractCegarLoop]: Abstraction has 3454 states and 4870 transitions. [2022-02-20 19:55:16,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-02-20 19:55:16,678 INFO L276 IsEmpty]: Start isEmpty. Operand 3454 states and 4870 transitions. [2022-02-20 19:55:16,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-02-20 19:55:16,680 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:55:16,680 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-02-20 19:55:16,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-20 19:55:16,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-02-20 19:55:16,881 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [error1Err0ASSERT_VIOLATIONERROR_FUNCTION, error2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:55:16,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:55:16,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1426484957, now seen corresponding path program 1 times [2022-02-20 19:55:16,881 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:55:16,881 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617939001] [2022-02-20 19:55:16,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:55:16,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:55:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:16,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 19:55:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:16,907 INFO L290 TraceCheckUtils]: 0: Hoare triple {103889#true} havoc ~__retres1~2; {103889#true} is VALID [2022-02-20 19:55:16,907 INFO L290 TraceCheckUtils]: 1: Hoare triple {103889#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {103889#true} is VALID [2022-02-20 19:55:16,907 INFO L290 TraceCheckUtils]: 2: Hoare triple {103889#true} #res := ~__retres1~2; {103889#true} is VALID [2022-02-20 19:55:16,907 INFO L290 TraceCheckUtils]: 3: Hoare triple {103889#true} assume true; {103889#true} is VALID [2022-02-20 19:55:16,907 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {103889#true} {103889#true} #731#return; {103889#true} is VALID [2022-02-20 19:55:16,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-20 19:55:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:16,947 INFO L290 TraceCheckUtils]: 0: Hoare triple {103924#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {103889#true} is VALID [2022-02-20 19:55:16,947 INFO L290 TraceCheckUtils]: 1: Hoare triple {103889#true} assume !(1 == ~p_dw_pc~0); {103889#true} is VALID [2022-02-20 19:55:16,948 INFO L290 TraceCheckUtils]: 2: Hoare triple {103889#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {103925#(and (<= |immediate_notify_threads_is_do_write_p_triggered_~__retres1~0#1| 0) (<= 0 |immediate_notify_threads_is_do_write_p_triggered_~__retres1~0#1|))} is VALID [2022-02-20 19:55:16,948 INFO L290 TraceCheckUtils]: 3: Hoare triple {103925#(and (<= |immediate_notify_threads_is_do_write_p_triggered_~__retres1~0#1| 0) (<= 0 |immediate_notify_threads_is_do_write_p_triggered_~__retres1~0#1|))} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {103926#(and (<= |immediate_notify_threads_is_do_write_p_triggered_#res#1| 0) (<= 0 |immediate_notify_threads_is_do_write_p_triggered_#res#1|))} is VALID [2022-02-20 19:55:16,949 INFO L290 TraceCheckUtils]: 4: Hoare triple {103926#(and (<= |immediate_notify_threads_is_do_write_p_triggered_#res#1| 0) (<= 0 |immediate_notify_threads_is_do_write_p_triggered_#res#1|))} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {103927#(and (<= |immediate_notify_threads_~tmp~0#1| 0) (< 0 (+ |immediate_notify_threads_~tmp~0#1| 1)))} is VALID [2022-02-20 19:55:16,949 INFO L290 TraceCheckUtils]: 5: Hoare triple {103927#(and (<= |immediate_notify_threads_~tmp~0#1| 0) (< 0 (+ |immediate_notify_threads_~tmp~0#1| 1)))} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {103890#false} is VALID [2022-02-20 19:55:16,949 INFO L290 TraceCheckUtils]: 6: Hoare triple {103890#false} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {103890#false} is VALID [2022-02-20 19:55:16,949 INFO L290 TraceCheckUtils]: 7: Hoare triple {103890#false} assume !(1 == ~c_dr_pc~0); {103890#false} is VALID [2022-02-20 19:55:16,949 INFO L290 TraceCheckUtils]: 8: Hoare triple {103890#false} is_do_read_c_triggered_~__retres1~1#1 := 0; {103890#false} is VALID [2022-02-20 19:55:16,949 INFO L290 TraceCheckUtils]: 9: Hoare triple {103890#false} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {103890#false} is VALID [2022-02-20 19:55:16,950 INFO L290 TraceCheckUtils]: 10: Hoare triple {103890#false} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {103890#false} is VALID [2022-02-20 19:55:16,950 INFO L290 TraceCheckUtils]: 11: Hoare triple {103890#false} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {103890#false} is VALID [2022-02-20 19:55:16,950 INFO L290 TraceCheckUtils]: 12: Hoare triple {103890#false} assume true; {103890#false} is VALID [2022-02-20 19:55:16,950 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {103890#false} {103889#true} #733#return; {103890#false} is VALID [2022-02-20 19:55:16,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-02-20 19:55:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:16,955 INFO L290 TraceCheckUtils]: 0: Hoare triple {103924#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {103889#true} is VALID [2022-02-20 19:55:16,955 INFO L290 TraceCheckUtils]: 1: Hoare triple {103889#true} assume 1 == ~p_dw_pc~0; {103889#true} is VALID [2022-02-20 19:55:16,955 INFO L290 TraceCheckUtils]: 2: Hoare triple {103889#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {103889#true} is VALID [2022-02-20 19:55:16,955 INFO L290 TraceCheckUtils]: 3: Hoare triple {103889#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {103889#true} is VALID [2022-02-20 19:55:16,955 INFO L290 TraceCheckUtils]: 4: Hoare triple {103889#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {103889#true} is VALID [2022-02-20 19:55:16,955 INFO L290 TraceCheckUtils]: 5: Hoare triple {103889#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {103889#true} is VALID [2022-02-20 19:55:16,955 INFO L290 TraceCheckUtils]: 6: Hoare triple {103889#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {103889#true} is VALID [2022-02-20 19:55:16,956 INFO L290 TraceCheckUtils]: 7: Hoare triple {103889#true} assume !(1 == ~c_dr_pc~0); {103889#true} is VALID [2022-02-20 19:55:16,956 INFO L290 TraceCheckUtils]: 8: Hoare triple {103889#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {103889#true} is VALID [2022-02-20 19:55:16,956 INFO L290 TraceCheckUtils]: 9: Hoare triple {103889#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {103889#true} is VALID [2022-02-20 19:55:16,956 INFO L290 TraceCheckUtils]: 10: Hoare triple {103889#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {103889#true} is VALID [2022-02-20 19:55:16,956 INFO L290 TraceCheckUtils]: 11: Hoare triple {103889#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {103889#true} is VALID [2022-02-20 19:55:16,956 INFO L290 TraceCheckUtils]: 12: Hoare triple {103889#true} assume true; {103889#true} is VALID [2022-02-20 19:55:16,956 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {103889#true} {103890#false} #735#return; {103890#false} is VALID [2022-02-20 19:55:16,956 INFO L290 TraceCheckUtils]: 0: Hoare triple {103889#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~token~0 := 0;~local~0 := 0; {103889#true} is VALID [2022-02-20 19:55:16,957 INFO L290 TraceCheckUtils]: 1: Hoare triple {103889#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1;assume -2147483648 <= main_#t~nondet29#1 && main_#t~nondet29#1 <= 2147483647; {103889#true} is VALID [2022-02-20 19:55:16,957 INFO L290 TraceCheckUtils]: 2: Hoare triple {103889#true} assume 0 != main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_main1 } true;havoc main1_#res#1;havoc main1_~__retres1~3#1;havoc main1_~__retres1~3#1;assume { :begin_inline_init_model1 } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {103889#true} is VALID [2022-02-20 19:55:16,957 INFO L290 TraceCheckUtils]: 3: Hoare triple {103889#true} assume { :end_inline_init_model1 } true;assume { :begin_inline_start_simulation1 } true;havoc start_simulation1_#t~ret12#1, start_simulation1_~kernel_st~0#1, start_simulation1_~tmp~3#1;havoc start_simulation1_~kernel_st~0#1;havoc start_simulation1_~tmp~3#1;start_simulation1_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads1 } true; {103889#true} is VALID [2022-02-20 19:55:16,957 INFO L290 TraceCheckUtils]: 4: Hoare triple {103889#true} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {103889#true} is VALID [2022-02-20 19:55:16,957 INFO L290 TraceCheckUtils]: 5: Hoare triple {103889#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {103889#true} is VALID [2022-02-20 19:55:16,957 INFO L290 TraceCheckUtils]: 6: Hoare triple {103889#true} assume { :end_inline_init_threads1 } true; {103889#true} is VALID [2022-02-20 19:55:16,957 INFO L290 TraceCheckUtils]: 7: Hoare triple {103889#true} assume !false; {103889#true} is VALID [2022-02-20 19:55:16,957 INFO L290 TraceCheckUtils]: 8: Hoare triple {103889#true} start_simulation1_~kernel_st~0#1 := 1;assume { :begin_inline_eval1 } true;havoc eval1_#t~ret8#1, eval1_#t~nondet9#1, eval1_#t~nondet10#1, eval1_~tmp~1#1, eval1_~tmp___0~1#1, eval1_~tmp___1~0#1;havoc eval1_~tmp~1#1;havoc eval1_~tmp___0~1#1;havoc eval1_~tmp___1~0#1; {103889#true} is VALID [2022-02-20 19:55:16,957 INFO L290 TraceCheckUtils]: 9: Hoare triple {103889#true} assume !false; {103889#true} is VALID [2022-02-20 19:55:16,957 INFO L272 TraceCheckUtils]: 10: Hoare triple {103889#true} call eval1_#t~ret8#1 := exists_runnable_thread1(); {103889#true} is VALID [2022-02-20 19:55:16,958 INFO L290 TraceCheckUtils]: 11: Hoare triple {103889#true} havoc ~__retres1~2; {103889#true} is VALID [2022-02-20 19:55:16,958 INFO L290 TraceCheckUtils]: 12: Hoare triple {103889#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {103889#true} is VALID [2022-02-20 19:55:16,958 INFO L290 TraceCheckUtils]: 13: Hoare triple {103889#true} #res := ~__retres1~2; {103889#true} is VALID [2022-02-20 19:55:16,958 INFO L290 TraceCheckUtils]: 14: Hoare triple {103889#true} assume true; {103889#true} is VALID [2022-02-20 19:55:16,958 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {103889#true} {103889#true} #731#return; {103889#true} is VALID [2022-02-20 19:55:16,958 INFO L290 TraceCheckUtils]: 16: Hoare triple {103889#true} assume -2147483648 <= eval1_#t~ret8#1 && eval1_#t~ret8#1 <= 2147483647;eval1_~tmp___1~0#1 := eval1_#t~ret8#1;havoc eval1_#t~ret8#1; {103889#true} is VALID [2022-02-20 19:55:16,958 INFO L290 TraceCheckUtils]: 17: Hoare triple {103889#true} assume 0 != eval1_~tmp___1~0#1; {103889#true} is VALID [2022-02-20 19:55:16,958 INFO L290 TraceCheckUtils]: 18: Hoare triple {103889#true} assume 0 == ~p_dw_st~0;assume -2147483648 <= eval1_#t~nondet9#1 && eval1_#t~nondet9#1 <= 2147483647;eval1_~tmp~1#1 := eval1_#t~nondet9#1;havoc eval1_#t~nondet9#1; {103889#true} is VALID [2022-02-20 19:55:16,958 INFO L290 TraceCheckUtils]: 19: Hoare triple {103889#true} assume 0 != eval1_~tmp~1#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet7#1; {103889#true} is VALID [2022-02-20 19:55:16,959 INFO L290 TraceCheckUtils]: 20: Hoare triple {103889#true} assume 0 == ~p_dw_pc~0; {103889#true} is VALID [2022-02-20 19:55:16,959 INFO L290 TraceCheckUtils]: 21: Hoare triple {103889#true} assume !false; {103889#true} is VALID [2022-02-20 19:55:16,959 INFO L290 TraceCheckUtils]: 22: Hoare triple {103889#true} assume !(0 == ~q_free~0); {103889#true} is VALID [2022-02-20 19:55:16,959 INFO L290 TraceCheckUtils]: 23: Hoare triple {103889#true} assume -2147483648 <= do_write_p_#t~nondet7#1 && do_write_p_#t~nondet7#1 <= 2147483647;~q_buf_0~0 := do_write_p_#t~nondet7#1;havoc do_write_p_#t~nondet7#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1; {103889#true} is VALID [2022-02-20 19:55:16,959 INFO L272 TraceCheckUtils]: 24: Hoare triple {103889#true} call immediate_notify_threads(); {103924#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:55:16,960 INFO L290 TraceCheckUtils]: 25: Hoare triple {103924#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {103889#true} is VALID [2022-02-20 19:55:16,960 INFO L290 TraceCheckUtils]: 26: Hoare triple {103889#true} assume !(1 == ~p_dw_pc~0); {103889#true} is VALID [2022-02-20 19:55:16,960 INFO L290 TraceCheckUtils]: 27: Hoare triple {103889#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {103925#(and (<= |immediate_notify_threads_is_do_write_p_triggered_~__retres1~0#1| 0) (<= 0 |immediate_notify_threads_is_do_write_p_triggered_~__retres1~0#1|))} is VALID [2022-02-20 19:55:16,960 INFO L290 TraceCheckUtils]: 28: Hoare triple {103925#(and (<= |immediate_notify_threads_is_do_write_p_triggered_~__retres1~0#1| 0) (<= 0 |immediate_notify_threads_is_do_write_p_triggered_~__retres1~0#1|))} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {103926#(and (<= |immediate_notify_threads_is_do_write_p_triggered_#res#1| 0) (<= 0 |immediate_notify_threads_is_do_write_p_triggered_#res#1|))} is VALID [2022-02-20 19:55:16,961 INFO L290 TraceCheckUtils]: 29: Hoare triple {103926#(and (<= |immediate_notify_threads_is_do_write_p_triggered_#res#1| 0) (<= 0 |immediate_notify_threads_is_do_write_p_triggered_#res#1|))} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {103927#(and (<= |immediate_notify_threads_~tmp~0#1| 0) (< 0 (+ |immediate_notify_threads_~tmp~0#1| 1)))} is VALID [2022-02-20 19:55:16,961 INFO L290 TraceCheckUtils]: 30: Hoare triple {103927#(and (<= |immediate_notify_threads_~tmp~0#1| 0) (< 0 (+ |immediate_notify_threads_~tmp~0#1| 1)))} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {103890#false} is VALID [2022-02-20 19:55:16,961 INFO L290 TraceCheckUtils]: 31: Hoare triple {103890#false} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {103890#false} is VALID [2022-02-20 19:55:16,961 INFO L290 TraceCheckUtils]: 32: Hoare triple {103890#false} assume !(1 == ~c_dr_pc~0); {103890#false} is VALID [2022-02-20 19:55:16,962 INFO L290 TraceCheckUtils]: 33: Hoare triple {103890#false} is_do_read_c_triggered_~__retres1~1#1 := 0; {103890#false} is VALID [2022-02-20 19:55:16,962 INFO L290 TraceCheckUtils]: 34: Hoare triple {103890#false} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {103890#false} is VALID [2022-02-20 19:55:16,962 INFO L290 TraceCheckUtils]: 35: Hoare triple {103890#false} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {103890#false} is VALID [2022-02-20 19:55:16,962 INFO L290 TraceCheckUtils]: 36: Hoare triple {103890#false} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {103890#false} is VALID [2022-02-20 19:55:16,962 INFO L290 TraceCheckUtils]: 37: Hoare triple {103890#false} assume true; {103890#false} is VALID [2022-02-20 19:55:16,962 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {103890#false} {103889#true} #733#return; {103890#false} is VALID [2022-02-20 19:55:16,962 INFO L290 TraceCheckUtils]: 39: Hoare triple {103890#false} ~q_write_ev~0 := 2; {103890#false} is VALID [2022-02-20 19:55:16,962 INFO L290 TraceCheckUtils]: 40: Hoare triple {103890#false} assume !false; {103890#false} is VALID [2022-02-20 19:55:16,962 INFO L290 TraceCheckUtils]: 41: Hoare triple {103890#false} assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; {103890#false} is VALID [2022-02-20 19:55:16,963 INFO L290 TraceCheckUtils]: 42: Hoare triple {103890#false} assume { :end_inline_do_write_p } true; {103890#false} is VALID [2022-02-20 19:55:16,963 INFO L290 TraceCheckUtils]: 43: Hoare triple {103890#false} assume 0 == ~c_dr_st~0;assume -2147483648 <= eval1_#t~nondet10#1 && eval1_#t~nondet10#1 <= 2147483647;eval1_~tmp___0~1#1 := eval1_#t~nondet10#1;havoc eval1_#t~nondet10#1; {103890#false} is VALID [2022-02-20 19:55:16,963 INFO L290 TraceCheckUtils]: 44: Hoare triple {103890#false} assume 0 != eval1_~tmp___0~1#1;~c_dr_st~0 := 1;assume { :begin_inline_do_read_c } true;havoc do_read_c_~a~0#1;havoc do_read_c_~a~0#1; {103890#false} is VALID [2022-02-20 19:55:16,963 INFO L290 TraceCheckUtils]: 45: Hoare triple {103890#false} assume 0 == ~c_dr_pc~0; {103890#false} is VALID [2022-02-20 19:55:16,963 INFO L290 TraceCheckUtils]: 46: Hoare triple {103890#false} assume !false; {103890#false} is VALID [2022-02-20 19:55:16,963 INFO L290 TraceCheckUtils]: 47: Hoare triple {103890#false} assume !(1 == ~q_free~0); {103890#false} is VALID [2022-02-20 19:55:16,963 INFO L290 TraceCheckUtils]: 48: Hoare triple {103890#false} do_read_c_~a~0#1 := ~q_buf_0~0;~c_last_read~0 := do_read_c_~a~0#1;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_read_ev~0 := 1; {103890#false} is VALID [2022-02-20 19:55:16,963 INFO L272 TraceCheckUtils]: 49: Hoare triple {103890#false} call immediate_notify_threads(); {103924#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:55:16,963 INFO L290 TraceCheckUtils]: 50: Hoare triple {103924#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {103889#true} is VALID [2022-02-20 19:55:16,964 INFO L290 TraceCheckUtils]: 51: Hoare triple {103889#true} assume 1 == ~p_dw_pc~0; {103889#true} is VALID [2022-02-20 19:55:16,964 INFO L290 TraceCheckUtils]: 52: Hoare triple {103889#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {103889#true} is VALID [2022-02-20 19:55:16,964 INFO L290 TraceCheckUtils]: 53: Hoare triple {103889#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {103889#true} is VALID [2022-02-20 19:55:16,964 INFO L290 TraceCheckUtils]: 54: Hoare triple {103889#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {103889#true} is VALID [2022-02-20 19:55:16,964 INFO L290 TraceCheckUtils]: 55: Hoare triple {103889#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {103889#true} is VALID [2022-02-20 19:55:16,964 INFO L290 TraceCheckUtils]: 56: Hoare triple {103889#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {103889#true} is VALID [2022-02-20 19:55:16,964 INFO L290 TraceCheckUtils]: 57: Hoare triple {103889#true} assume !(1 == ~c_dr_pc~0); {103889#true} is VALID [2022-02-20 19:55:16,964 INFO L290 TraceCheckUtils]: 58: Hoare triple {103889#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {103889#true} is VALID [2022-02-20 19:55:16,964 INFO L290 TraceCheckUtils]: 59: Hoare triple {103889#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {103889#true} is VALID [2022-02-20 19:55:16,964 INFO L290 TraceCheckUtils]: 60: Hoare triple {103889#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {103889#true} is VALID [2022-02-20 19:55:16,965 INFO L290 TraceCheckUtils]: 61: Hoare triple {103889#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {103889#true} is VALID [2022-02-20 19:55:16,965 INFO L290 TraceCheckUtils]: 62: Hoare triple {103889#true} assume true; {103889#true} is VALID [2022-02-20 19:55:16,965 INFO L284 TraceCheckUtils]: 63: Hoare quadruple {103889#true} {103890#false} #735#return; {103890#false} is VALID [2022-02-20 19:55:16,965 INFO L290 TraceCheckUtils]: 64: Hoare triple {103890#false} ~q_read_ev~0 := 2; {103890#false} is VALID [2022-02-20 19:55:16,965 INFO L290 TraceCheckUtils]: 65: Hoare triple {103890#false} assume !(~p_last_write~0 == ~c_last_read~0); {103890#false} is VALID [2022-02-20 19:55:16,965 INFO L272 TraceCheckUtils]: 66: Hoare triple {103890#false} call error1(); {103890#false} is VALID [2022-02-20 19:55:16,965 INFO L290 TraceCheckUtils]: 67: Hoare triple {103890#false} assume !false; {103890#false} is VALID [2022-02-20 19:55:16,966 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-20 19:55:16,966 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:55:16,966 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617939001] [2022-02-20 19:55:16,966 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617939001] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 19:55:16,966 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491048084] [2022-02-20 19:55:16,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:55:16,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 19:55:16,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 19:55:16,972 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 19:55:16,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 19:55:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:17,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-20 19:55:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:17,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 19:55:17,210 INFO L290 TraceCheckUtils]: 0: Hoare triple {103889#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~token~0 := 0;~local~0 := 0; {103889#true} is VALID [2022-02-20 19:55:17,210 INFO L290 TraceCheckUtils]: 1: Hoare triple {103889#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1;assume -2147483648 <= main_#t~nondet29#1 && main_#t~nondet29#1 <= 2147483647; {103889#true} is VALID [2022-02-20 19:55:17,210 INFO L290 TraceCheckUtils]: 2: Hoare triple {103889#true} assume 0 != main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_main1 } true;havoc main1_#res#1;havoc main1_~__retres1~3#1;havoc main1_~__retres1~3#1;assume { :begin_inline_init_model1 } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {103889#true} is VALID [2022-02-20 19:55:17,210 INFO L290 TraceCheckUtils]: 3: Hoare triple {103889#true} assume { :end_inline_init_model1 } true;assume { :begin_inline_start_simulation1 } true;havoc start_simulation1_#t~ret12#1, start_simulation1_~kernel_st~0#1, start_simulation1_~tmp~3#1;havoc start_simulation1_~kernel_st~0#1;havoc start_simulation1_~tmp~3#1;start_simulation1_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads1 } true; {103889#true} is VALID [2022-02-20 19:55:17,210 INFO L290 TraceCheckUtils]: 4: Hoare triple {103889#true} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {103889#true} is VALID [2022-02-20 19:55:17,210 INFO L290 TraceCheckUtils]: 5: Hoare triple {103889#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {103889#true} is VALID [2022-02-20 19:55:17,210 INFO L290 TraceCheckUtils]: 6: Hoare triple {103889#true} assume { :end_inline_init_threads1 } true; {103889#true} is VALID [2022-02-20 19:55:17,210 INFO L290 TraceCheckUtils]: 7: Hoare triple {103889#true} assume !false; {103889#true} is VALID [2022-02-20 19:55:17,210 INFO L290 TraceCheckUtils]: 8: Hoare triple {103889#true} start_simulation1_~kernel_st~0#1 := 1;assume { :begin_inline_eval1 } true;havoc eval1_#t~ret8#1, eval1_#t~nondet9#1, eval1_#t~nondet10#1, eval1_~tmp~1#1, eval1_~tmp___0~1#1, eval1_~tmp___1~0#1;havoc eval1_~tmp~1#1;havoc eval1_~tmp___0~1#1;havoc eval1_~tmp___1~0#1; {103889#true} is VALID [2022-02-20 19:55:17,210 INFO L290 TraceCheckUtils]: 9: Hoare triple {103889#true} assume !false; {103889#true} is VALID [2022-02-20 19:55:17,210 INFO L272 TraceCheckUtils]: 10: Hoare triple {103889#true} call eval1_#t~ret8#1 := exists_runnable_thread1(); {103889#true} is VALID [2022-02-20 19:55:17,210 INFO L290 TraceCheckUtils]: 11: Hoare triple {103889#true} havoc ~__retres1~2; {103889#true} is VALID [2022-02-20 19:55:17,210 INFO L290 TraceCheckUtils]: 12: Hoare triple {103889#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {103889#true} is VALID [2022-02-20 19:55:17,210 INFO L290 TraceCheckUtils]: 13: Hoare triple {103889#true} #res := ~__retres1~2; {103889#true} is VALID [2022-02-20 19:55:17,210 INFO L290 TraceCheckUtils]: 14: Hoare triple {103889#true} assume true; {103889#true} is VALID [2022-02-20 19:55:17,210 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {103889#true} {103889#true} #731#return; {103889#true} is VALID [2022-02-20 19:55:17,211 INFO L290 TraceCheckUtils]: 16: Hoare triple {103889#true} assume -2147483648 <= eval1_#t~ret8#1 && eval1_#t~ret8#1 <= 2147483647;eval1_~tmp___1~0#1 := eval1_#t~ret8#1;havoc eval1_#t~ret8#1; {103889#true} is VALID [2022-02-20 19:55:17,211 INFO L290 TraceCheckUtils]: 17: Hoare triple {103889#true} assume 0 != eval1_~tmp___1~0#1; {103889#true} is VALID [2022-02-20 19:55:17,211 INFO L290 TraceCheckUtils]: 18: Hoare triple {103889#true} assume 0 == ~p_dw_st~0;assume -2147483648 <= eval1_#t~nondet9#1 && eval1_#t~nondet9#1 <= 2147483647;eval1_~tmp~1#1 := eval1_#t~nondet9#1;havoc eval1_#t~nondet9#1; {103889#true} is VALID [2022-02-20 19:55:17,211 INFO L290 TraceCheckUtils]: 19: Hoare triple {103889#true} assume 0 != eval1_~tmp~1#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet7#1; {103889#true} is VALID [2022-02-20 19:55:17,211 INFO L290 TraceCheckUtils]: 20: Hoare triple {103889#true} assume 0 == ~p_dw_pc~0; {103889#true} is VALID [2022-02-20 19:55:17,211 INFO L290 TraceCheckUtils]: 21: Hoare triple {103889#true} assume !false; {103889#true} is VALID [2022-02-20 19:55:17,211 INFO L290 TraceCheckUtils]: 22: Hoare triple {103889#true} assume !(0 == ~q_free~0); {103889#true} is VALID [2022-02-20 19:55:17,219 INFO L290 TraceCheckUtils]: 23: Hoare triple {103889#true} assume -2147483648 <= do_write_p_#t~nondet7#1 && do_write_p_#t~nondet7#1 <= 2147483647;~q_buf_0~0 := do_write_p_#t~nondet7#1;havoc do_write_p_#t~nondet7#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,220 INFO L272 TraceCheckUtils]: 24: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} call immediate_notify_threads(); {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,220 INFO L290 TraceCheckUtils]: 25: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,220 INFO L290 TraceCheckUtils]: 26: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} assume !(1 == ~p_dw_pc~0); {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,221 INFO L290 TraceCheckUtils]: 27: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} is_do_write_p_triggered_~__retres1~0#1 := 0; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,221 INFO L290 TraceCheckUtils]: 28: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,221 INFO L290 TraceCheckUtils]: 29: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,222 INFO L290 TraceCheckUtils]: 30: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,222 INFO L290 TraceCheckUtils]: 31: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,222 INFO L290 TraceCheckUtils]: 32: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} assume !(1 == ~c_dr_pc~0); {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,222 INFO L290 TraceCheckUtils]: 33: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} is_do_read_c_triggered_~__retres1~1#1 := 0; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,223 INFO L290 TraceCheckUtils]: 34: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,224 INFO L290 TraceCheckUtils]: 35: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,224 INFO L290 TraceCheckUtils]: 36: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,224 INFO L290 TraceCheckUtils]: 37: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} assume true; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,225 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {104000#(= ~p_last_write~0 ~q_buf_0~0)} {104000#(= ~p_last_write~0 ~q_buf_0~0)} #733#return; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,225 INFO L290 TraceCheckUtils]: 39: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} ~q_write_ev~0 := 2; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,225 INFO L290 TraceCheckUtils]: 40: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} assume !false; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,226 INFO L290 TraceCheckUtils]: 41: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,226 INFO L290 TraceCheckUtils]: 42: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} assume { :end_inline_do_write_p } true; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,226 INFO L290 TraceCheckUtils]: 43: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} assume 0 == ~c_dr_st~0;assume -2147483648 <= eval1_#t~nondet10#1 && eval1_#t~nondet10#1 <= 2147483647;eval1_~tmp___0~1#1 := eval1_#t~nondet10#1;havoc eval1_#t~nondet10#1; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,227 INFO L290 TraceCheckUtils]: 44: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} assume 0 != eval1_~tmp___0~1#1;~c_dr_st~0 := 1;assume { :begin_inline_do_read_c } true;havoc do_read_c_~a~0#1;havoc do_read_c_~a~0#1; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,227 INFO L290 TraceCheckUtils]: 45: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} assume 0 == ~c_dr_pc~0; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,227 INFO L290 TraceCheckUtils]: 46: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} assume !false; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,228 INFO L290 TraceCheckUtils]: 47: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} assume !(1 == ~q_free~0); {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,237 INFO L290 TraceCheckUtils]: 48: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} do_read_c_~a~0#1 := ~q_buf_0~0;~c_last_read~0 := do_read_c_~a~0#1;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_read_ev~0 := 1; {104076#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:55:17,238 INFO L272 TraceCheckUtils]: 49: Hoare triple {104076#(= ~c_last_read~0 ~p_last_write~0)} call immediate_notify_threads(); {104076#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:55:17,238 INFO L290 TraceCheckUtils]: 50: Hoare triple {104076#(= ~c_last_read~0 ~p_last_write~0)} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {104076#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:55:17,238 INFO L290 TraceCheckUtils]: 51: Hoare triple {104076#(= ~c_last_read~0 ~p_last_write~0)} assume 1 == ~p_dw_pc~0; {104076#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:55:17,238 INFO L290 TraceCheckUtils]: 52: Hoare triple {104076#(= ~c_last_read~0 ~p_last_write~0)} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {104076#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:55:17,239 INFO L290 TraceCheckUtils]: 53: Hoare triple {104076#(= ~c_last_read~0 ~p_last_write~0)} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {104076#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:55:17,239 INFO L290 TraceCheckUtils]: 54: Hoare triple {104076#(= ~c_last_read~0 ~p_last_write~0)} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {104076#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:55:17,239 INFO L290 TraceCheckUtils]: 55: Hoare triple {104076#(= ~c_last_read~0 ~p_last_write~0)} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {104076#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:55:17,239 INFO L290 TraceCheckUtils]: 56: Hoare triple {104076#(= ~c_last_read~0 ~p_last_write~0)} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {104076#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:55:17,240 INFO L290 TraceCheckUtils]: 57: Hoare triple {104076#(= ~c_last_read~0 ~p_last_write~0)} assume !(1 == ~c_dr_pc~0); {104076#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:55:17,240 INFO L290 TraceCheckUtils]: 58: Hoare triple {104076#(= ~c_last_read~0 ~p_last_write~0)} is_do_read_c_triggered_~__retres1~1#1 := 0; {104076#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:55:17,240 INFO L290 TraceCheckUtils]: 59: Hoare triple {104076#(= ~c_last_read~0 ~p_last_write~0)} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {104076#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:55:17,240 INFO L290 TraceCheckUtils]: 60: Hoare triple {104076#(= ~c_last_read~0 ~p_last_write~0)} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {104076#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:55:17,241 INFO L290 TraceCheckUtils]: 61: Hoare triple {104076#(= ~c_last_read~0 ~p_last_write~0)} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {104076#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:55:17,241 INFO L290 TraceCheckUtils]: 62: Hoare triple {104076#(= ~c_last_read~0 ~p_last_write~0)} assume true; {104076#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:55:17,241 INFO L284 TraceCheckUtils]: 63: Hoare quadruple {104076#(= ~c_last_read~0 ~p_last_write~0)} {104076#(= ~c_last_read~0 ~p_last_write~0)} #735#return; {104076#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:55:17,241 INFO L290 TraceCheckUtils]: 64: Hoare triple {104076#(= ~c_last_read~0 ~p_last_write~0)} ~q_read_ev~0 := 2; {104076#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:55:17,242 INFO L290 TraceCheckUtils]: 65: Hoare triple {104076#(= ~c_last_read~0 ~p_last_write~0)} assume !(~p_last_write~0 == ~c_last_read~0); {103890#false} is VALID [2022-02-20 19:55:17,242 INFO L272 TraceCheckUtils]: 66: Hoare triple {103890#false} call error1(); {103890#false} is VALID [2022-02-20 19:55:17,242 INFO L290 TraceCheckUtils]: 67: Hoare triple {103890#false} assume !false; {103890#false} is VALID [2022-02-20 19:55:17,242 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 19:55:17,242 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 19:55:17,408 INFO L290 TraceCheckUtils]: 67: Hoare triple {103890#false} assume !false; {103890#false} is VALID [2022-02-20 19:55:17,408 INFO L272 TraceCheckUtils]: 66: Hoare triple {103890#false} call error1(); {103890#false} is VALID [2022-02-20 19:55:17,408 INFO L290 TraceCheckUtils]: 65: Hoare triple {104076#(= ~c_last_read~0 ~p_last_write~0)} assume !(~p_last_write~0 == ~c_last_read~0); {103890#false} is VALID [2022-02-20 19:55:17,408 INFO L290 TraceCheckUtils]: 64: Hoare triple {104076#(= ~c_last_read~0 ~p_last_write~0)} ~q_read_ev~0 := 2; {104076#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:55:17,409 INFO L284 TraceCheckUtils]: 63: Hoare quadruple {103889#true} {104076#(= ~c_last_read~0 ~p_last_write~0)} #735#return; {104076#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:55:17,409 INFO L290 TraceCheckUtils]: 62: Hoare triple {103889#true} assume true; {103889#true} is VALID [2022-02-20 19:55:17,409 INFO L290 TraceCheckUtils]: 61: Hoare triple {103889#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {103889#true} is VALID [2022-02-20 19:55:17,409 INFO L290 TraceCheckUtils]: 60: Hoare triple {103889#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {103889#true} is VALID [2022-02-20 19:55:17,409 INFO L290 TraceCheckUtils]: 59: Hoare triple {103889#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {103889#true} is VALID [2022-02-20 19:55:17,409 INFO L290 TraceCheckUtils]: 58: Hoare triple {103889#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {103889#true} is VALID [2022-02-20 19:55:17,409 INFO L290 TraceCheckUtils]: 57: Hoare triple {103889#true} assume !(1 == ~c_dr_pc~0); {103889#true} is VALID [2022-02-20 19:55:17,409 INFO L290 TraceCheckUtils]: 56: Hoare triple {103889#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {103889#true} is VALID [2022-02-20 19:55:17,409 INFO L290 TraceCheckUtils]: 55: Hoare triple {103889#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {103889#true} is VALID [2022-02-20 19:55:17,409 INFO L290 TraceCheckUtils]: 54: Hoare triple {103889#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {103889#true} is VALID [2022-02-20 19:55:17,409 INFO L290 TraceCheckUtils]: 53: Hoare triple {103889#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {103889#true} is VALID [2022-02-20 19:55:17,409 INFO L290 TraceCheckUtils]: 52: Hoare triple {103889#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {103889#true} is VALID [2022-02-20 19:55:17,409 INFO L290 TraceCheckUtils]: 51: Hoare triple {103889#true} assume 1 == ~p_dw_pc~0; {103889#true} is VALID [2022-02-20 19:55:17,409 INFO L290 TraceCheckUtils]: 50: Hoare triple {103889#true} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {103889#true} is VALID [2022-02-20 19:55:17,409 INFO L272 TraceCheckUtils]: 49: Hoare triple {104076#(= ~c_last_read~0 ~p_last_write~0)} call immediate_notify_threads(); {103889#true} is VALID [2022-02-20 19:55:17,410 INFO L290 TraceCheckUtils]: 48: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} do_read_c_~a~0#1 := ~q_buf_0~0;~c_last_read~0 := do_read_c_~a~0#1;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_read_ev~0 := 1; {104076#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:55:17,410 INFO L290 TraceCheckUtils]: 47: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} assume !(1 == ~q_free~0); {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,410 INFO L290 TraceCheckUtils]: 46: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} assume !false; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,411 INFO L290 TraceCheckUtils]: 45: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} assume 0 == ~c_dr_pc~0; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,411 INFO L290 TraceCheckUtils]: 44: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} assume 0 != eval1_~tmp___0~1#1;~c_dr_st~0 := 1;assume { :begin_inline_do_read_c } true;havoc do_read_c_~a~0#1;havoc do_read_c_~a~0#1; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,411 INFO L290 TraceCheckUtils]: 43: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} assume 0 == ~c_dr_st~0;assume -2147483648 <= eval1_#t~nondet10#1 && eval1_#t~nondet10#1 <= 2147483647;eval1_~tmp___0~1#1 := eval1_#t~nondet10#1;havoc eval1_#t~nondet10#1; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,412 INFO L290 TraceCheckUtils]: 42: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} assume { :end_inline_do_write_p } true; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,412 INFO L290 TraceCheckUtils]: 41: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,412 INFO L290 TraceCheckUtils]: 40: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} assume !false; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,412 INFO L290 TraceCheckUtils]: 39: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} ~q_write_ev~0 := 2; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,413 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {103889#true} {104000#(= ~p_last_write~0 ~q_buf_0~0)} #733#return; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,413 INFO L290 TraceCheckUtils]: 37: Hoare triple {103889#true} assume true; {103889#true} is VALID [2022-02-20 19:55:17,413 INFO L290 TraceCheckUtils]: 36: Hoare triple {103889#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {103889#true} is VALID [2022-02-20 19:55:17,413 INFO L290 TraceCheckUtils]: 35: Hoare triple {103889#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {103889#true} is VALID [2022-02-20 19:55:17,413 INFO L290 TraceCheckUtils]: 34: Hoare triple {103889#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {103889#true} is VALID [2022-02-20 19:55:17,413 INFO L290 TraceCheckUtils]: 33: Hoare triple {103889#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {103889#true} is VALID [2022-02-20 19:55:17,413 INFO L290 TraceCheckUtils]: 32: Hoare triple {103889#true} assume !(1 == ~c_dr_pc~0); {103889#true} is VALID [2022-02-20 19:55:17,413 INFO L290 TraceCheckUtils]: 31: Hoare triple {103889#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {103889#true} is VALID [2022-02-20 19:55:17,413 INFO L290 TraceCheckUtils]: 30: Hoare triple {103889#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {103889#true} is VALID [2022-02-20 19:55:17,413 INFO L290 TraceCheckUtils]: 29: Hoare triple {103889#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {103889#true} is VALID [2022-02-20 19:55:17,413 INFO L290 TraceCheckUtils]: 28: Hoare triple {103889#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {103889#true} is VALID [2022-02-20 19:55:17,413 INFO L290 TraceCheckUtils]: 27: Hoare triple {103889#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {103889#true} is VALID [2022-02-20 19:55:17,413 INFO L290 TraceCheckUtils]: 26: Hoare triple {103889#true} assume !(1 == ~p_dw_pc~0); {103889#true} is VALID [2022-02-20 19:55:17,413 INFO L290 TraceCheckUtils]: 25: Hoare triple {103889#true} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {103889#true} is VALID [2022-02-20 19:55:17,413 INFO L272 TraceCheckUtils]: 24: Hoare triple {104000#(= ~p_last_write~0 ~q_buf_0~0)} call immediate_notify_threads(); {103889#true} is VALID [2022-02-20 19:55:17,416 INFO L290 TraceCheckUtils]: 23: Hoare triple {103889#true} assume -2147483648 <= do_write_p_#t~nondet7#1 && do_write_p_#t~nondet7#1 <= 2147483647;~q_buf_0~0 := do_write_p_#t~nondet7#1;havoc do_write_p_#t~nondet7#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1; {104000#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:55:17,416 INFO L290 TraceCheckUtils]: 22: Hoare triple {103889#true} assume !(0 == ~q_free~0); {103889#true} is VALID [2022-02-20 19:55:17,416 INFO L290 TraceCheckUtils]: 21: Hoare triple {103889#true} assume !false; {103889#true} is VALID [2022-02-20 19:55:17,416 INFO L290 TraceCheckUtils]: 20: Hoare triple {103889#true} assume 0 == ~p_dw_pc~0; {103889#true} is VALID [2022-02-20 19:55:17,416 INFO L290 TraceCheckUtils]: 19: Hoare triple {103889#true} assume 0 != eval1_~tmp~1#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet7#1; {103889#true} is VALID [2022-02-20 19:55:17,416 INFO L290 TraceCheckUtils]: 18: Hoare triple {103889#true} assume 0 == ~p_dw_st~0;assume -2147483648 <= eval1_#t~nondet9#1 && eval1_#t~nondet9#1 <= 2147483647;eval1_~tmp~1#1 := eval1_#t~nondet9#1;havoc eval1_#t~nondet9#1; {103889#true} is VALID [2022-02-20 19:55:17,416 INFO L290 TraceCheckUtils]: 17: Hoare triple {103889#true} assume 0 != eval1_~tmp___1~0#1; {103889#true} is VALID [2022-02-20 19:55:17,416 INFO L290 TraceCheckUtils]: 16: Hoare triple {103889#true} assume -2147483648 <= eval1_#t~ret8#1 && eval1_#t~ret8#1 <= 2147483647;eval1_~tmp___1~0#1 := eval1_#t~ret8#1;havoc eval1_#t~ret8#1; {103889#true} is VALID [2022-02-20 19:55:17,416 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {103889#true} {103889#true} #731#return; {103889#true} is VALID [2022-02-20 19:55:17,416 INFO L290 TraceCheckUtils]: 14: Hoare triple {103889#true} assume true; {103889#true} is VALID [2022-02-20 19:55:17,416 INFO L290 TraceCheckUtils]: 13: Hoare triple {103889#true} #res := ~__retres1~2; {103889#true} is VALID [2022-02-20 19:55:17,416 INFO L290 TraceCheckUtils]: 12: Hoare triple {103889#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {103889#true} is VALID [2022-02-20 19:55:17,416 INFO L290 TraceCheckUtils]: 11: Hoare triple {103889#true} havoc ~__retres1~2; {103889#true} is VALID [2022-02-20 19:55:17,416 INFO L272 TraceCheckUtils]: 10: Hoare triple {103889#true} call eval1_#t~ret8#1 := exists_runnable_thread1(); {103889#true} is VALID [2022-02-20 19:55:17,416 INFO L290 TraceCheckUtils]: 9: Hoare triple {103889#true} assume !false; {103889#true} is VALID [2022-02-20 19:55:17,416 INFO L290 TraceCheckUtils]: 8: Hoare triple {103889#true} start_simulation1_~kernel_st~0#1 := 1;assume { :begin_inline_eval1 } true;havoc eval1_#t~ret8#1, eval1_#t~nondet9#1, eval1_#t~nondet10#1, eval1_~tmp~1#1, eval1_~tmp___0~1#1, eval1_~tmp___1~0#1;havoc eval1_~tmp~1#1;havoc eval1_~tmp___0~1#1;havoc eval1_~tmp___1~0#1; {103889#true} is VALID [2022-02-20 19:55:17,416 INFO L290 TraceCheckUtils]: 7: Hoare triple {103889#true} assume !false; {103889#true} is VALID [2022-02-20 19:55:17,416 INFO L290 TraceCheckUtils]: 6: Hoare triple {103889#true} assume { :end_inline_init_threads1 } true; {103889#true} is VALID [2022-02-20 19:55:17,417 INFO L290 TraceCheckUtils]: 5: Hoare triple {103889#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {103889#true} is VALID [2022-02-20 19:55:17,417 INFO L290 TraceCheckUtils]: 4: Hoare triple {103889#true} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {103889#true} is VALID [2022-02-20 19:55:17,417 INFO L290 TraceCheckUtils]: 3: Hoare triple {103889#true} assume { :end_inline_init_model1 } true;assume { :begin_inline_start_simulation1 } true;havoc start_simulation1_#t~ret12#1, start_simulation1_~kernel_st~0#1, start_simulation1_~tmp~3#1;havoc start_simulation1_~kernel_st~0#1;havoc start_simulation1_~tmp~3#1;start_simulation1_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads1 } true; {103889#true} is VALID [2022-02-20 19:55:17,417 INFO L290 TraceCheckUtils]: 2: Hoare triple {103889#true} assume 0 != main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_main1 } true;havoc main1_#res#1;havoc main1_~__retres1~3#1;havoc main1_~__retres1~3#1;assume { :begin_inline_init_model1 } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {103889#true} is VALID [2022-02-20 19:55:17,417 INFO L290 TraceCheckUtils]: 1: Hoare triple {103889#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1;assume -2147483648 <= main_#t~nondet29#1 && main_#t~nondet29#1 <= 2147483647; {103889#true} is VALID [2022-02-20 19:55:17,417 INFO L290 TraceCheckUtils]: 0: Hoare triple {103889#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~token~0 := 0;~local~0 := 0; {103889#true} is VALID [2022-02-20 19:55:17,417 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-02-20 19:55:17,417 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491048084] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-20 19:55:17,417 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-20 19:55:17,417 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 4] total 8 [2022-02-20 19:55:17,417 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454783894] [2022-02-20 19:55:17,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:55:17,418 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 68 [2022-02-20 19:55:17,418 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:55:17,418 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 19:55:17,450 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:17,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 19:55:17,450 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:55:17,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 19:55:17,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-02-20 19:55:17,451 INFO L87 Difference]: Start difference. First operand 3454 states and 4870 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 19:55:18,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:18,557 INFO L93 Difference]: Finished difference Result 3506 states and 4932 transitions. [2022-02-20 19:55:18,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 19:55:18,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 68 [2022-02-20 19:55:18,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:55:18,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 19:55:18,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 350 transitions. [2022-02-20 19:55:18,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 19:55:18,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 350 transitions. [2022-02-20 19:55:18,561 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 350 transitions. [2022-02-20 19:55:18,774 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 350 edges. 350 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:19,267 INFO L225 Difference]: With dead ends: 3506 [2022-02-20 19:55:19,267 INFO L226 Difference]: Without dead ends: 3503 [2022-02-20 19:55:19,268 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-02-20 19:55:19,268 INFO L933 BasicCegarLoop]: 311 mSDtfsCounter, 493 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 19:55:19,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [493 Valid, 376 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 19:55:19,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3503 states. [2022-02-20 19:55:19,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3503 to 3453. [2022-02-20 19:55:19,518 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:55:19,522 INFO L82 GeneralOperation]: Start isEquivalent. First operand 3503 states. Second operand has 3453 states, 2924 states have (on average 1.3984268125854993) internal successors, (4089), 2968 states have internal predecessors, (4089), 315 states have call successors, (315), 184 states have call predecessors, (315), 212 states have return successors, (463), 316 states have call predecessors, (463), 312 states have call successors, (463) [2022-02-20 19:55:19,524 INFO L74 IsIncluded]: Start isIncluded. First operand 3503 states. Second operand has 3453 states, 2924 states have (on average 1.3984268125854993) internal successors, (4089), 2968 states have internal predecessors, (4089), 315 states have call successors, (315), 184 states have call predecessors, (315), 212 states have return successors, (463), 316 states have call predecessors, (463), 312 states have call successors, (463) [2022-02-20 19:55:19,526 INFO L87 Difference]: Start difference. First operand 3503 states. Second operand has 3453 states, 2924 states have (on average 1.3984268125854993) internal successors, (4089), 2968 states have internal predecessors, (4089), 315 states have call successors, (315), 184 states have call predecessors, (315), 212 states have return successors, (463), 316 states have call predecessors, (463), 312 states have call successors, (463) [2022-02-20 19:55:19,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:19,853 INFO L93 Difference]: Finished difference Result 3503 states and 4928 transitions. [2022-02-20 19:55:19,853 INFO L276 IsEmpty]: Start isEmpty. Operand 3503 states and 4928 transitions. [2022-02-20 19:55:19,857 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:19,857 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:19,860 INFO L74 IsIncluded]: Start isIncluded. First operand has 3453 states, 2924 states have (on average 1.3984268125854993) internal successors, (4089), 2968 states have internal predecessors, (4089), 315 states have call successors, (315), 184 states have call predecessors, (315), 212 states have return successors, (463), 316 states have call predecessors, (463), 312 states have call successors, (463) Second operand 3503 states. [2022-02-20 19:55:19,863 INFO L87 Difference]: Start difference. First operand has 3453 states, 2924 states have (on average 1.3984268125854993) internal successors, (4089), 2968 states have internal predecessors, (4089), 315 states have call successors, (315), 184 states have call predecessors, (315), 212 states have return successors, (463), 316 states have call predecessors, (463), 312 states have call successors, (463) Second operand 3503 states. [2022-02-20 19:55:20,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:20,190 INFO L93 Difference]: Finished difference Result 3503 states and 4928 transitions. [2022-02-20 19:55:20,190 INFO L276 IsEmpty]: Start isEmpty. Operand 3503 states and 4928 transitions. [2022-02-20 19:55:20,193 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:20,193 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:20,193 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:55:20,193 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:55:20,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3453 states, 2924 states have (on average 1.3984268125854993) internal successors, (4089), 2968 states have internal predecessors, (4089), 315 states have call successors, (315), 184 states have call predecessors, (315), 212 states have return successors, (463), 316 states have call predecessors, (463), 312 states have call successors, (463) [2022-02-20 19:55:20,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3453 states to 3453 states and 4867 transitions. [2022-02-20 19:55:20,714 INFO L78 Accepts]: Start accepts. Automaton has 3453 states and 4867 transitions. Word has length 68 [2022-02-20 19:55:20,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:55:20,714 INFO L470 AbstractCegarLoop]: Abstraction has 3453 states and 4867 transitions. [2022-02-20 19:55:20,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 19:55:20,715 INFO L276 IsEmpty]: Start isEmpty. Operand 3453 states and 4867 transitions. [2022-02-20 19:55:20,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-02-20 19:55:20,716 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:55:20,716 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-02-20 19:55:20,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-20 19:55:20,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-02-20 19:55:20,927 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [error1Err0ASSERT_VIOLATIONERROR_FUNCTION, error2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:55:20,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:55:20,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1272047869, now seen corresponding path program 1 times [2022-02-20 19:55:20,927 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:55:20,927 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707298105] [2022-02-20 19:55:20,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:55:20,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:55:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:20,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 19:55:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:20,951 INFO L290 TraceCheckUtils]: 0: Hoare triple {120646#true} havoc ~__retres1~2; {120646#true} is VALID [2022-02-20 19:55:20,951 INFO L290 TraceCheckUtils]: 1: Hoare triple {120646#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {120646#true} is VALID [2022-02-20 19:55:20,952 INFO L290 TraceCheckUtils]: 2: Hoare triple {120646#true} #res := ~__retres1~2; {120646#true} is VALID [2022-02-20 19:55:20,952 INFO L290 TraceCheckUtils]: 3: Hoare triple {120646#true} assume true; {120646#true} is VALID [2022-02-20 19:55:20,952 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {120646#true} {120646#true} #731#return; {120646#true} is VALID [2022-02-20 19:55:20,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-20 19:55:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:20,986 INFO L290 TraceCheckUtils]: 0: Hoare triple {120681#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {120646#true} is VALID [2022-02-20 19:55:20,986 INFO L290 TraceCheckUtils]: 1: Hoare triple {120646#true} assume !(1 == ~p_dw_pc~0); {120646#true} is VALID [2022-02-20 19:55:20,987 INFO L290 TraceCheckUtils]: 2: Hoare triple {120646#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {120682#(and (<= |immediate_notify_threads_is_do_write_p_triggered_~__retres1~0#1| 0) (<= 0 |immediate_notify_threads_is_do_write_p_triggered_~__retres1~0#1|))} is VALID [2022-02-20 19:55:20,987 INFO L290 TraceCheckUtils]: 3: Hoare triple {120682#(and (<= |immediate_notify_threads_is_do_write_p_triggered_~__retres1~0#1| 0) (<= 0 |immediate_notify_threads_is_do_write_p_triggered_~__retres1~0#1|))} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {120683#(and (<= |immediate_notify_threads_is_do_write_p_triggered_#res#1| 0) (<= 0 |immediate_notify_threads_is_do_write_p_triggered_#res#1|))} is VALID [2022-02-20 19:55:20,988 INFO L290 TraceCheckUtils]: 4: Hoare triple {120683#(and (<= |immediate_notify_threads_is_do_write_p_triggered_#res#1| 0) (<= 0 |immediate_notify_threads_is_do_write_p_triggered_#res#1|))} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {120684#(and (<= |immediate_notify_threads_~tmp~0#1| 0) (< 0 (+ |immediate_notify_threads_~tmp~0#1| 1)))} is VALID [2022-02-20 19:55:20,988 INFO L290 TraceCheckUtils]: 5: Hoare triple {120684#(and (<= |immediate_notify_threads_~tmp~0#1| 0) (< 0 (+ |immediate_notify_threads_~tmp~0#1| 1)))} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {120647#false} is VALID [2022-02-20 19:55:20,988 INFO L290 TraceCheckUtils]: 6: Hoare triple {120647#false} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {120647#false} is VALID [2022-02-20 19:55:20,988 INFO L290 TraceCheckUtils]: 7: Hoare triple {120647#false} assume !(1 == ~c_dr_pc~0); {120647#false} is VALID [2022-02-20 19:55:20,988 INFO L290 TraceCheckUtils]: 8: Hoare triple {120647#false} is_do_read_c_triggered_~__retres1~1#1 := 0; {120647#false} is VALID [2022-02-20 19:55:20,988 INFO L290 TraceCheckUtils]: 9: Hoare triple {120647#false} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {120647#false} is VALID [2022-02-20 19:55:20,988 INFO L290 TraceCheckUtils]: 10: Hoare triple {120647#false} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {120647#false} is VALID [2022-02-20 19:55:20,988 INFO L290 TraceCheckUtils]: 11: Hoare triple {120647#false} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {120647#false} is VALID [2022-02-20 19:55:20,988 INFO L290 TraceCheckUtils]: 12: Hoare triple {120647#false} assume true; {120647#false} is VALID [2022-02-20 19:55:20,988 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {120647#false} {120646#true} #733#return; {120647#false} is VALID [2022-02-20 19:55:20,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-02-20 19:55:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:20,994 INFO L290 TraceCheckUtils]: 0: Hoare triple {120681#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {120646#true} is VALID [2022-02-20 19:55:20,994 INFO L290 TraceCheckUtils]: 1: Hoare triple {120646#true} assume 1 == ~p_dw_pc~0; {120646#true} is VALID [2022-02-20 19:55:20,994 INFO L290 TraceCheckUtils]: 2: Hoare triple {120646#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {120646#true} is VALID [2022-02-20 19:55:20,994 INFO L290 TraceCheckUtils]: 3: Hoare triple {120646#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {120646#true} is VALID [2022-02-20 19:55:20,994 INFO L290 TraceCheckUtils]: 4: Hoare triple {120646#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {120646#true} is VALID [2022-02-20 19:55:20,994 INFO L290 TraceCheckUtils]: 5: Hoare triple {120646#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {120646#true} is VALID [2022-02-20 19:55:20,995 INFO L290 TraceCheckUtils]: 6: Hoare triple {120646#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {120646#true} is VALID [2022-02-20 19:55:20,995 INFO L290 TraceCheckUtils]: 7: Hoare triple {120646#true} assume !(1 == ~c_dr_pc~0); {120646#true} is VALID [2022-02-20 19:55:20,995 INFO L290 TraceCheckUtils]: 8: Hoare triple {120646#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {120646#true} is VALID [2022-02-20 19:55:20,995 INFO L290 TraceCheckUtils]: 9: Hoare triple {120646#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {120646#true} is VALID [2022-02-20 19:55:20,995 INFO L290 TraceCheckUtils]: 10: Hoare triple {120646#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {120646#true} is VALID [2022-02-20 19:55:20,995 INFO L290 TraceCheckUtils]: 11: Hoare triple {120646#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {120646#true} is VALID [2022-02-20 19:55:20,995 INFO L290 TraceCheckUtils]: 12: Hoare triple {120646#true} assume true; {120646#true} is VALID [2022-02-20 19:55:20,995 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {120646#true} {120647#false} #735#return; {120647#false} is VALID [2022-02-20 19:55:20,995 INFO L290 TraceCheckUtils]: 0: Hoare triple {120646#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~token~0 := 0;~local~0 := 0; {120646#true} is VALID [2022-02-20 19:55:20,996 INFO L290 TraceCheckUtils]: 1: Hoare triple {120646#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1;assume -2147483648 <= main_#t~nondet29#1 && main_#t~nondet29#1 <= 2147483647; {120646#true} is VALID [2022-02-20 19:55:20,996 INFO L290 TraceCheckUtils]: 2: Hoare triple {120646#true} assume 0 != main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_main1 } true;havoc main1_#res#1;havoc main1_~__retres1~3#1;havoc main1_~__retres1~3#1;assume { :begin_inline_init_model1 } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {120646#true} is VALID [2022-02-20 19:55:20,996 INFO L290 TraceCheckUtils]: 3: Hoare triple {120646#true} assume { :end_inline_init_model1 } true;assume { :begin_inline_start_simulation1 } true;havoc start_simulation1_#t~ret12#1, start_simulation1_~kernel_st~0#1, start_simulation1_~tmp~3#1;havoc start_simulation1_~kernel_st~0#1;havoc start_simulation1_~tmp~3#1;start_simulation1_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads1 } true; {120646#true} is VALID [2022-02-20 19:55:20,996 INFO L290 TraceCheckUtils]: 4: Hoare triple {120646#true} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {120646#true} is VALID [2022-02-20 19:55:20,996 INFO L290 TraceCheckUtils]: 5: Hoare triple {120646#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {120646#true} is VALID [2022-02-20 19:55:20,996 INFO L290 TraceCheckUtils]: 6: Hoare triple {120646#true} assume { :end_inline_init_threads1 } true; {120646#true} is VALID [2022-02-20 19:55:20,996 INFO L290 TraceCheckUtils]: 7: Hoare triple {120646#true} assume !false; {120646#true} is VALID [2022-02-20 19:55:20,996 INFO L290 TraceCheckUtils]: 8: Hoare triple {120646#true} start_simulation1_~kernel_st~0#1 := 1;assume { :begin_inline_eval1 } true;havoc eval1_#t~ret8#1, eval1_#t~nondet9#1, eval1_#t~nondet10#1, eval1_~tmp~1#1, eval1_~tmp___0~1#1, eval1_~tmp___1~0#1;havoc eval1_~tmp~1#1;havoc eval1_~tmp___0~1#1;havoc eval1_~tmp___1~0#1; {120646#true} is VALID [2022-02-20 19:55:20,996 INFO L290 TraceCheckUtils]: 9: Hoare triple {120646#true} assume !false; {120646#true} is VALID [2022-02-20 19:55:20,997 INFO L272 TraceCheckUtils]: 10: Hoare triple {120646#true} call eval1_#t~ret8#1 := exists_runnable_thread1(); {120646#true} is VALID [2022-02-20 19:55:20,997 INFO L290 TraceCheckUtils]: 11: Hoare triple {120646#true} havoc ~__retres1~2; {120646#true} is VALID [2022-02-20 19:55:20,997 INFO L290 TraceCheckUtils]: 12: Hoare triple {120646#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {120646#true} is VALID [2022-02-20 19:55:20,997 INFO L290 TraceCheckUtils]: 13: Hoare triple {120646#true} #res := ~__retres1~2; {120646#true} is VALID [2022-02-20 19:55:20,997 INFO L290 TraceCheckUtils]: 14: Hoare triple {120646#true} assume true; {120646#true} is VALID [2022-02-20 19:55:20,997 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {120646#true} {120646#true} #731#return; {120646#true} is VALID [2022-02-20 19:55:20,997 INFO L290 TraceCheckUtils]: 16: Hoare triple {120646#true} assume -2147483648 <= eval1_#t~ret8#1 && eval1_#t~ret8#1 <= 2147483647;eval1_~tmp___1~0#1 := eval1_#t~ret8#1;havoc eval1_#t~ret8#1; {120646#true} is VALID [2022-02-20 19:55:20,997 INFO L290 TraceCheckUtils]: 17: Hoare triple {120646#true} assume 0 != eval1_~tmp___1~0#1; {120646#true} is VALID [2022-02-20 19:55:20,997 INFO L290 TraceCheckUtils]: 18: Hoare triple {120646#true} assume 0 == ~p_dw_st~0;assume -2147483648 <= eval1_#t~nondet9#1 && eval1_#t~nondet9#1 <= 2147483647;eval1_~tmp~1#1 := eval1_#t~nondet9#1;havoc eval1_#t~nondet9#1; {120646#true} is VALID [2022-02-20 19:55:20,998 INFO L290 TraceCheckUtils]: 19: Hoare triple {120646#true} assume 0 != eval1_~tmp~1#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet7#1; {120646#true} is VALID [2022-02-20 19:55:20,998 INFO L290 TraceCheckUtils]: 20: Hoare triple {120646#true} assume 0 == ~p_dw_pc~0; {120646#true} is VALID [2022-02-20 19:55:20,998 INFO L290 TraceCheckUtils]: 21: Hoare triple {120646#true} assume !false; {120646#true} is VALID [2022-02-20 19:55:20,998 INFO L290 TraceCheckUtils]: 22: Hoare triple {120646#true} assume !(0 == ~q_free~0); {120646#true} is VALID [2022-02-20 19:55:20,998 INFO L290 TraceCheckUtils]: 23: Hoare triple {120646#true} assume -2147483648 <= do_write_p_#t~nondet7#1 && do_write_p_#t~nondet7#1 <= 2147483647;~q_buf_0~0 := do_write_p_#t~nondet7#1;havoc do_write_p_#t~nondet7#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1; {120646#true} is VALID [2022-02-20 19:55:20,998 INFO L272 TraceCheckUtils]: 24: Hoare triple {120646#true} call immediate_notify_threads(); {120681#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:55:20,998 INFO L290 TraceCheckUtils]: 25: Hoare triple {120681#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {120646#true} is VALID [2022-02-20 19:55:20,999 INFO L290 TraceCheckUtils]: 26: Hoare triple {120646#true} assume !(1 == ~p_dw_pc~0); {120646#true} is VALID [2022-02-20 19:55:20,999 INFO L290 TraceCheckUtils]: 27: Hoare triple {120646#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {120682#(and (<= |immediate_notify_threads_is_do_write_p_triggered_~__retres1~0#1| 0) (<= 0 |immediate_notify_threads_is_do_write_p_triggered_~__retres1~0#1|))} is VALID [2022-02-20 19:55:20,999 INFO L290 TraceCheckUtils]: 28: Hoare triple {120682#(and (<= |immediate_notify_threads_is_do_write_p_triggered_~__retres1~0#1| 0) (<= 0 |immediate_notify_threads_is_do_write_p_triggered_~__retres1~0#1|))} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {120683#(and (<= |immediate_notify_threads_is_do_write_p_triggered_#res#1| 0) (<= 0 |immediate_notify_threads_is_do_write_p_triggered_#res#1|))} is VALID [2022-02-20 19:55:21,000 INFO L290 TraceCheckUtils]: 29: Hoare triple {120683#(and (<= |immediate_notify_threads_is_do_write_p_triggered_#res#1| 0) (<= 0 |immediate_notify_threads_is_do_write_p_triggered_#res#1|))} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {120684#(and (<= |immediate_notify_threads_~tmp~0#1| 0) (< 0 (+ |immediate_notify_threads_~tmp~0#1| 1)))} is VALID [2022-02-20 19:55:21,000 INFO L290 TraceCheckUtils]: 30: Hoare triple {120684#(and (<= |immediate_notify_threads_~tmp~0#1| 0) (< 0 (+ |immediate_notify_threads_~tmp~0#1| 1)))} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {120647#false} is VALID [2022-02-20 19:55:21,000 INFO L290 TraceCheckUtils]: 31: Hoare triple {120647#false} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {120647#false} is VALID [2022-02-20 19:55:21,000 INFO L290 TraceCheckUtils]: 32: Hoare triple {120647#false} assume !(1 == ~c_dr_pc~0); {120647#false} is VALID [2022-02-20 19:55:21,000 INFO L290 TraceCheckUtils]: 33: Hoare triple {120647#false} is_do_read_c_triggered_~__retres1~1#1 := 0; {120647#false} is VALID [2022-02-20 19:55:21,000 INFO L290 TraceCheckUtils]: 34: Hoare triple {120647#false} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {120647#false} is VALID [2022-02-20 19:55:21,001 INFO L290 TraceCheckUtils]: 35: Hoare triple {120647#false} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {120647#false} is VALID [2022-02-20 19:55:21,001 INFO L290 TraceCheckUtils]: 36: Hoare triple {120647#false} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {120647#false} is VALID [2022-02-20 19:55:21,001 INFO L290 TraceCheckUtils]: 37: Hoare triple {120647#false} assume true; {120647#false} is VALID [2022-02-20 19:55:21,001 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {120647#false} {120646#true} #733#return; {120647#false} is VALID [2022-02-20 19:55:21,001 INFO L290 TraceCheckUtils]: 39: Hoare triple {120647#false} ~q_write_ev~0 := 2; {120647#false} is VALID [2022-02-20 19:55:21,001 INFO L290 TraceCheckUtils]: 40: Hoare triple {120647#false} assume !false; {120647#false} is VALID [2022-02-20 19:55:21,001 INFO L290 TraceCheckUtils]: 41: Hoare triple {120647#false} assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; {120647#false} is VALID [2022-02-20 19:55:21,001 INFO L290 TraceCheckUtils]: 42: Hoare triple {120647#false} assume { :end_inline_do_write_p } true; {120647#false} is VALID [2022-02-20 19:55:21,001 INFO L290 TraceCheckUtils]: 43: Hoare triple {120647#false} assume 0 == ~c_dr_st~0;assume -2147483648 <= eval1_#t~nondet10#1 && eval1_#t~nondet10#1 <= 2147483647;eval1_~tmp___0~1#1 := eval1_#t~nondet10#1;havoc eval1_#t~nondet10#1; {120647#false} is VALID [2022-02-20 19:55:21,002 INFO L290 TraceCheckUtils]: 44: Hoare triple {120647#false} assume 0 != eval1_~tmp___0~1#1;~c_dr_st~0 := 1;assume { :begin_inline_do_read_c } true;havoc do_read_c_~a~0#1;havoc do_read_c_~a~0#1; {120647#false} is VALID [2022-02-20 19:55:21,002 INFO L290 TraceCheckUtils]: 45: Hoare triple {120647#false} assume 0 == ~c_dr_pc~0; {120647#false} is VALID [2022-02-20 19:55:21,002 INFO L290 TraceCheckUtils]: 46: Hoare triple {120647#false} assume !false; {120647#false} is VALID [2022-02-20 19:55:21,002 INFO L290 TraceCheckUtils]: 47: Hoare triple {120647#false} assume !(1 == ~q_free~0); {120647#false} is VALID [2022-02-20 19:55:21,002 INFO L290 TraceCheckUtils]: 48: Hoare triple {120647#false} do_read_c_~a~0#1 := ~q_buf_0~0;~c_last_read~0 := do_read_c_~a~0#1;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_read_ev~0 := 1; {120647#false} is VALID [2022-02-20 19:55:21,002 INFO L272 TraceCheckUtils]: 49: Hoare triple {120647#false} call immediate_notify_threads(); {120681#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:55:21,002 INFO L290 TraceCheckUtils]: 50: Hoare triple {120681#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {120646#true} is VALID [2022-02-20 19:55:21,002 INFO L290 TraceCheckUtils]: 51: Hoare triple {120646#true} assume 1 == ~p_dw_pc~0; {120646#true} is VALID [2022-02-20 19:55:21,002 INFO L290 TraceCheckUtils]: 52: Hoare triple {120646#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {120646#true} is VALID [2022-02-20 19:55:21,002 INFO L290 TraceCheckUtils]: 53: Hoare triple {120646#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {120646#true} is VALID [2022-02-20 19:55:21,003 INFO L290 TraceCheckUtils]: 54: Hoare triple {120646#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {120646#true} is VALID [2022-02-20 19:55:21,003 INFO L290 TraceCheckUtils]: 55: Hoare triple {120646#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {120646#true} is VALID [2022-02-20 19:55:21,003 INFO L290 TraceCheckUtils]: 56: Hoare triple {120646#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {120646#true} is VALID [2022-02-20 19:55:21,003 INFO L290 TraceCheckUtils]: 57: Hoare triple {120646#true} assume !(1 == ~c_dr_pc~0); {120646#true} is VALID [2022-02-20 19:55:21,003 INFO L290 TraceCheckUtils]: 58: Hoare triple {120646#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {120646#true} is VALID [2022-02-20 19:55:21,003 INFO L290 TraceCheckUtils]: 59: Hoare triple {120646#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {120646#true} is VALID [2022-02-20 19:55:21,003 INFO L290 TraceCheckUtils]: 60: Hoare triple {120646#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {120646#true} is VALID [2022-02-20 19:55:21,003 INFO L290 TraceCheckUtils]: 61: Hoare triple {120646#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {120646#true} is VALID [2022-02-20 19:55:21,003 INFO L290 TraceCheckUtils]: 62: Hoare triple {120646#true} assume true; {120646#true} is VALID [2022-02-20 19:55:21,003 INFO L284 TraceCheckUtils]: 63: Hoare quadruple {120646#true} {120647#false} #735#return; {120647#false} is VALID [2022-02-20 19:55:21,004 INFO L290 TraceCheckUtils]: 64: Hoare triple {120647#false} ~q_read_ev~0 := 2; {120647#false} is VALID [2022-02-20 19:55:21,004 INFO L290 TraceCheckUtils]: 65: Hoare triple {120647#false} assume ~p_last_write~0 == ~c_last_read~0; {120647#false} is VALID [2022-02-20 19:55:21,004 INFO L290 TraceCheckUtils]: 66: Hoare triple {120647#false} assume !(~p_num_write~0 == ~c_num_read~0); {120647#false} is VALID [2022-02-20 19:55:21,004 INFO L272 TraceCheckUtils]: 67: Hoare triple {120647#false} call error1(); {120647#false} is VALID [2022-02-20 19:55:21,004 INFO L290 TraceCheckUtils]: 68: Hoare triple {120647#false} assume !false; {120647#false} is VALID [2022-02-20 19:55:21,004 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-20 19:55:21,004 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:55:21,004 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707298105] [2022-02-20 19:55:21,005 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707298105] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 19:55:21,005 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867900100] [2022-02-20 19:55:21,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:55:21,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 19:55:21,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 19:55:21,006 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 19:55:21,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 19:55:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:21,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-20 19:55:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:21,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 19:55:21,473 INFO L290 TraceCheckUtils]: 0: Hoare triple {120646#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~token~0 := 0;~local~0 := 0; {120646#true} is VALID [2022-02-20 19:55:21,473 INFO L290 TraceCheckUtils]: 1: Hoare triple {120646#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1;assume -2147483648 <= main_#t~nondet29#1 && main_#t~nondet29#1 <= 2147483647; {120646#true} is VALID [2022-02-20 19:55:21,473 INFO L290 TraceCheckUtils]: 2: Hoare triple {120646#true} assume 0 != main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_main1 } true;havoc main1_#res#1;havoc main1_~__retres1~3#1;havoc main1_~__retres1~3#1;assume { :begin_inline_init_model1 } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:55:21,474 INFO L290 TraceCheckUtils]: 3: Hoare triple {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} assume { :end_inline_init_model1 } true;assume { :begin_inline_start_simulation1 } true;havoc start_simulation1_#t~ret12#1, start_simulation1_~kernel_st~0#1, start_simulation1_~tmp~3#1;havoc start_simulation1_~kernel_st~0#1;havoc start_simulation1_~tmp~3#1;start_simulation1_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads1 } true; {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:55:21,474 INFO L290 TraceCheckUtils]: 4: Hoare triple {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:55:21,474 INFO L290 TraceCheckUtils]: 5: Hoare triple {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:55:21,475 INFO L290 TraceCheckUtils]: 6: Hoare triple {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} assume { :end_inline_init_threads1 } true; {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:55:21,475 INFO L290 TraceCheckUtils]: 7: Hoare triple {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} assume !false; {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:55:21,475 INFO L290 TraceCheckUtils]: 8: Hoare triple {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} start_simulation1_~kernel_st~0#1 := 1;assume { :begin_inline_eval1 } true;havoc eval1_#t~ret8#1, eval1_#t~nondet9#1, eval1_#t~nondet10#1, eval1_~tmp~1#1, eval1_~tmp___0~1#1, eval1_~tmp___1~0#1;havoc eval1_~tmp~1#1;havoc eval1_~tmp___0~1#1;havoc eval1_~tmp___1~0#1; {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:55:21,476 INFO L290 TraceCheckUtils]: 9: Hoare triple {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} assume !false; {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:55:21,476 INFO L272 TraceCheckUtils]: 10: Hoare triple {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} call eval1_#t~ret8#1 := exists_runnable_thread1(); {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:55:21,476 INFO L290 TraceCheckUtils]: 11: Hoare triple {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} havoc ~__retres1~2; {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:55:21,477 INFO L290 TraceCheckUtils]: 12: Hoare triple {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:55:21,477 INFO L290 TraceCheckUtils]: 13: Hoare triple {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} #res := ~__retres1~2; {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:55:21,478 INFO L290 TraceCheckUtils]: 14: Hoare triple {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} assume true; {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:55:21,478 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} #731#return; {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:55:21,478 INFO L290 TraceCheckUtils]: 16: Hoare triple {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} assume -2147483648 <= eval1_#t~ret8#1 && eval1_#t~ret8#1 <= 2147483647;eval1_~tmp___1~0#1 := eval1_#t~ret8#1;havoc eval1_#t~ret8#1; {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:55:21,479 INFO L290 TraceCheckUtils]: 17: Hoare triple {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} assume 0 != eval1_~tmp___1~0#1; {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:55:21,479 INFO L290 TraceCheckUtils]: 18: Hoare triple {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} assume 0 == ~p_dw_st~0;assume -2147483648 <= eval1_#t~nondet9#1 && eval1_#t~nondet9#1 <= 2147483647;eval1_~tmp~1#1 := eval1_#t~nondet9#1;havoc eval1_#t~nondet9#1; {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:55:21,480 INFO L290 TraceCheckUtils]: 19: Hoare triple {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} assume 0 != eval1_~tmp~1#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet7#1; {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:55:21,480 INFO L290 TraceCheckUtils]: 20: Hoare triple {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} assume 0 == ~p_dw_pc~0; {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:55:21,480 INFO L290 TraceCheckUtils]: 21: Hoare triple {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} assume !false; {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:55:21,481 INFO L290 TraceCheckUtils]: 22: Hoare triple {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} assume !(0 == ~q_free~0); {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:55:21,481 INFO L290 TraceCheckUtils]: 23: Hoare triple {120694#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} assume -2147483648 <= do_write_p_#t~nondet7#1 && do_write_p_#t~nondet7#1 <= 2147483647;~q_buf_0~0 := do_write_p_#t~nondet7#1;havoc do_write_p_#t~nondet7#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1; {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,482 INFO L272 TraceCheckUtils]: 24: Hoare triple {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} call immediate_notify_threads(); {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,482 INFO L290 TraceCheckUtils]: 25: Hoare triple {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,482 INFO L290 TraceCheckUtils]: 26: Hoare triple {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} assume !(1 == ~p_dw_pc~0); {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,483 INFO L290 TraceCheckUtils]: 27: Hoare triple {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is_do_write_p_triggered_~__retres1~0#1 := 0; {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,483 INFO L290 TraceCheckUtils]: 28: Hoare triple {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,483 INFO L290 TraceCheckUtils]: 29: Hoare triple {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,484 INFO L290 TraceCheckUtils]: 30: Hoare triple {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,484 INFO L290 TraceCheckUtils]: 31: Hoare triple {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,485 INFO L290 TraceCheckUtils]: 32: Hoare triple {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} assume !(1 == ~c_dr_pc~0); {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,485 INFO L290 TraceCheckUtils]: 33: Hoare triple {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is_do_read_c_triggered_~__retres1~1#1 := 0; {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,485 INFO L290 TraceCheckUtils]: 34: Hoare triple {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,486 INFO L290 TraceCheckUtils]: 35: Hoare triple {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,486 INFO L290 TraceCheckUtils]: 36: Hoare triple {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,486 INFO L290 TraceCheckUtils]: 37: Hoare triple {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} assume true; {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,487 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} #733#return; {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,487 INFO L290 TraceCheckUtils]: 39: Hoare triple {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} ~q_write_ev~0 := 2; {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,488 INFO L290 TraceCheckUtils]: 40: Hoare triple {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} assume !false; {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,488 INFO L290 TraceCheckUtils]: 41: Hoare triple {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,488 INFO L290 TraceCheckUtils]: 42: Hoare triple {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} assume { :end_inline_do_write_p } true; {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,489 INFO L290 TraceCheckUtils]: 43: Hoare triple {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} assume 0 == ~c_dr_st~0;assume -2147483648 <= eval1_#t~nondet10#1 && eval1_#t~nondet10#1 <= 2147483647;eval1_~tmp___0~1#1 := eval1_#t~nondet10#1;havoc eval1_#t~nondet10#1; {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,489 INFO L290 TraceCheckUtils]: 44: Hoare triple {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} assume 0 != eval1_~tmp___0~1#1;~c_dr_st~0 := 1;assume { :begin_inline_do_read_c } true;havoc do_read_c_~a~0#1;havoc do_read_c_~a~0#1; {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,490 INFO L290 TraceCheckUtils]: 45: Hoare triple {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} assume 0 == ~c_dr_pc~0; {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,490 INFO L290 TraceCheckUtils]: 46: Hoare triple {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} assume !false; {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,490 INFO L290 TraceCheckUtils]: 47: Hoare triple {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} assume !(1 == ~q_free~0); {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,491 INFO L290 TraceCheckUtils]: 48: Hoare triple {120758#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} do_read_c_~a~0#1 := ~q_buf_0~0;~c_last_read~0 := do_read_c_~a~0#1;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_read_ev~0 := 1; {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,491 INFO L272 TraceCheckUtils]: 49: Hoare triple {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} call immediate_notify_threads(); {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,491 INFO L290 TraceCheckUtils]: 50: Hoare triple {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,492 INFO L290 TraceCheckUtils]: 51: Hoare triple {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} assume 1 == ~p_dw_pc~0; {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,492 INFO L290 TraceCheckUtils]: 52: Hoare triple {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,493 INFO L290 TraceCheckUtils]: 53: Hoare triple {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,493 INFO L290 TraceCheckUtils]: 54: Hoare triple {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,493 INFO L290 TraceCheckUtils]: 55: Hoare triple {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,494 INFO L290 TraceCheckUtils]: 56: Hoare triple {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,494 INFO L290 TraceCheckUtils]: 57: Hoare triple {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} assume !(1 == ~c_dr_pc~0); {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,495 INFO L290 TraceCheckUtils]: 58: Hoare triple {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is_do_read_c_triggered_~__retres1~1#1 := 0; {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,495 INFO L290 TraceCheckUtils]: 59: Hoare triple {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,495 INFO L290 TraceCheckUtils]: 60: Hoare triple {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,496 INFO L290 TraceCheckUtils]: 61: Hoare triple {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,496 INFO L290 TraceCheckUtils]: 62: Hoare triple {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} assume true; {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,496 INFO L284 TraceCheckUtils]: 63: Hoare quadruple {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} #735#return; {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,497 INFO L290 TraceCheckUtils]: 64: Hoare triple {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} ~q_read_ev~0 := 2; {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,497 INFO L290 TraceCheckUtils]: 65: Hoare triple {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} assume ~p_last_write~0 == ~c_last_read~0; {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:55:21,498 INFO L290 TraceCheckUtils]: 66: Hoare triple {120834#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} assume !(~p_num_write~0 == ~c_num_read~0); {120647#false} is VALID [2022-02-20 19:55:21,498 INFO L272 TraceCheckUtils]: 67: Hoare triple {120647#false} call error1(); {120647#false} is VALID [2022-02-20 19:55:21,498 INFO L290 TraceCheckUtils]: 68: Hoare triple {120647#false} assume !false; {120647#false} is VALID [2022-02-20 19:55:21,498 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 19:55:21,498 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 19:55:21,660 INFO L290 TraceCheckUtils]: 68: Hoare triple {120647#false} assume !false; {120647#false} is VALID [2022-02-20 19:55:21,661 INFO L272 TraceCheckUtils]: 67: Hoare triple {120647#false} call error1(); {120647#false} is VALID [2022-02-20 19:55:21,661 INFO L290 TraceCheckUtils]: 66: Hoare triple {120901#(= ~c_num_read~0 ~p_num_write~0)} assume !(~p_num_write~0 == ~c_num_read~0); {120647#false} is VALID [2022-02-20 19:55:21,661 INFO L290 TraceCheckUtils]: 65: Hoare triple {120901#(= ~c_num_read~0 ~p_num_write~0)} assume ~p_last_write~0 == ~c_last_read~0; {120901#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:55:21,662 INFO L290 TraceCheckUtils]: 64: Hoare triple {120901#(= ~c_num_read~0 ~p_num_write~0)} ~q_read_ev~0 := 2; {120901#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:55:21,662 INFO L284 TraceCheckUtils]: 63: Hoare quadruple {120646#true} {120901#(= ~c_num_read~0 ~p_num_write~0)} #735#return; {120901#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:55:21,662 INFO L290 TraceCheckUtils]: 62: Hoare triple {120646#true} assume true; {120646#true} is VALID [2022-02-20 19:55:21,662 INFO L290 TraceCheckUtils]: 61: Hoare triple {120646#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {120646#true} is VALID [2022-02-20 19:55:21,662 INFO L290 TraceCheckUtils]: 60: Hoare triple {120646#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {120646#true} is VALID [2022-02-20 19:55:21,662 INFO L290 TraceCheckUtils]: 59: Hoare triple {120646#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {120646#true} is VALID [2022-02-20 19:55:21,662 INFO L290 TraceCheckUtils]: 58: Hoare triple {120646#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {120646#true} is VALID [2022-02-20 19:55:21,662 INFO L290 TraceCheckUtils]: 57: Hoare triple {120646#true} assume !(1 == ~c_dr_pc~0); {120646#true} is VALID [2022-02-20 19:55:21,662 INFO L290 TraceCheckUtils]: 56: Hoare triple {120646#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {120646#true} is VALID [2022-02-20 19:55:21,662 INFO L290 TraceCheckUtils]: 55: Hoare triple {120646#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {120646#true} is VALID [2022-02-20 19:55:21,662 INFO L290 TraceCheckUtils]: 54: Hoare triple {120646#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {120646#true} is VALID [2022-02-20 19:55:21,662 INFO L290 TraceCheckUtils]: 53: Hoare triple {120646#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {120646#true} is VALID [2022-02-20 19:55:21,662 INFO L290 TraceCheckUtils]: 52: Hoare triple {120646#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {120646#true} is VALID [2022-02-20 19:55:21,662 INFO L290 TraceCheckUtils]: 51: Hoare triple {120646#true} assume 1 == ~p_dw_pc~0; {120646#true} is VALID [2022-02-20 19:55:21,662 INFO L290 TraceCheckUtils]: 50: Hoare triple {120646#true} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {120646#true} is VALID [2022-02-20 19:55:21,662 INFO L272 TraceCheckUtils]: 49: Hoare triple {120901#(= ~c_num_read~0 ~p_num_write~0)} call immediate_notify_threads(); {120646#true} is VALID [2022-02-20 19:55:21,663 INFO L290 TraceCheckUtils]: 48: Hoare triple {120956#(= (+ ~c_num_read~0 1) ~p_num_write~0)} do_read_c_~a~0#1 := ~q_buf_0~0;~c_last_read~0 := do_read_c_~a~0#1;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_read_ev~0 := 1; {120901#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:55:21,663 INFO L290 TraceCheckUtils]: 47: Hoare triple {120956#(= (+ ~c_num_read~0 1) ~p_num_write~0)} assume !(1 == ~q_free~0); {120956#(= (+ ~c_num_read~0 1) ~p_num_write~0)} is VALID [2022-02-20 19:55:21,664 INFO L290 TraceCheckUtils]: 46: Hoare triple {120956#(= (+ ~c_num_read~0 1) ~p_num_write~0)} assume !false; {120956#(= (+ ~c_num_read~0 1) ~p_num_write~0)} is VALID [2022-02-20 19:55:21,664 INFO L290 TraceCheckUtils]: 45: Hoare triple {120956#(= (+ ~c_num_read~0 1) ~p_num_write~0)} assume 0 == ~c_dr_pc~0; {120956#(= (+ ~c_num_read~0 1) ~p_num_write~0)} is VALID [2022-02-20 19:55:21,664 INFO L290 TraceCheckUtils]: 44: Hoare triple {120956#(= (+ ~c_num_read~0 1) ~p_num_write~0)} assume 0 != eval1_~tmp___0~1#1;~c_dr_st~0 := 1;assume { :begin_inline_do_read_c } true;havoc do_read_c_~a~0#1;havoc do_read_c_~a~0#1; {120956#(= (+ ~c_num_read~0 1) ~p_num_write~0)} is VALID [2022-02-20 19:55:21,664 INFO L290 TraceCheckUtils]: 43: Hoare triple {120956#(= (+ ~c_num_read~0 1) ~p_num_write~0)} assume 0 == ~c_dr_st~0;assume -2147483648 <= eval1_#t~nondet10#1 && eval1_#t~nondet10#1 <= 2147483647;eval1_~tmp___0~1#1 := eval1_#t~nondet10#1;havoc eval1_#t~nondet10#1; {120956#(= (+ ~c_num_read~0 1) ~p_num_write~0)} is VALID [2022-02-20 19:55:21,665 INFO L290 TraceCheckUtils]: 42: Hoare triple {120956#(= (+ ~c_num_read~0 1) ~p_num_write~0)} assume { :end_inline_do_write_p } true; {120956#(= (+ ~c_num_read~0 1) ~p_num_write~0)} is VALID [2022-02-20 19:55:21,665 INFO L290 TraceCheckUtils]: 41: Hoare triple {120956#(= (+ ~c_num_read~0 1) ~p_num_write~0)} assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; {120956#(= (+ ~c_num_read~0 1) ~p_num_write~0)} is VALID [2022-02-20 19:55:21,665 INFO L290 TraceCheckUtils]: 40: Hoare triple {120956#(= (+ ~c_num_read~0 1) ~p_num_write~0)} assume !false; {120956#(= (+ ~c_num_read~0 1) ~p_num_write~0)} is VALID [2022-02-20 19:55:21,666 INFO L290 TraceCheckUtils]: 39: Hoare triple {120956#(= (+ ~c_num_read~0 1) ~p_num_write~0)} ~q_write_ev~0 := 2; {120956#(= (+ ~c_num_read~0 1) ~p_num_write~0)} is VALID [2022-02-20 19:55:21,666 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {120646#true} {120956#(= (+ ~c_num_read~0 1) ~p_num_write~0)} #733#return; {120956#(= (+ ~c_num_read~0 1) ~p_num_write~0)} is VALID [2022-02-20 19:55:21,666 INFO L290 TraceCheckUtils]: 37: Hoare triple {120646#true} assume true; {120646#true} is VALID [2022-02-20 19:55:21,667 INFO L290 TraceCheckUtils]: 36: Hoare triple {120646#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {120646#true} is VALID [2022-02-20 19:55:21,667 INFO L290 TraceCheckUtils]: 35: Hoare triple {120646#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {120646#true} is VALID [2022-02-20 19:55:21,667 INFO L290 TraceCheckUtils]: 34: Hoare triple {120646#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {120646#true} is VALID [2022-02-20 19:55:21,667 INFO L290 TraceCheckUtils]: 33: Hoare triple {120646#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {120646#true} is VALID [2022-02-20 19:55:21,667 INFO L290 TraceCheckUtils]: 32: Hoare triple {120646#true} assume !(1 == ~c_dr_pc~0); {120646#true} is VALID [2022-02-20 19:55:21,667 INFO L290 TraceCheckUtils]: 31: Hoare triple {120646#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {120646#true} is VALID [2022-02-20 19:55:21,667 INFO L290 TraceCheckUtils]: 30: Hoare triple {120646#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {120646#true} is VALID [2022-02-20 19:55:21,667 INFO L290 TraceCheckUtils]: 29: Hoare triple {120646#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {120646#true} is VALID [2022-02-20 19:55:21,667 INFO L290 TraceCheckUtils]: 28: Hoare triple {120646#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {120646#true} is VALID [2022-02-20 19:55:21,667 INFO L290 TraceCheckUtils]: 27: Hoare triple {120646#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {120646#true} is VALID [2022-02-20 19:55:21,667 INFO L290 TraceCheckUtils]: 26: Hoare triple {120646#true} assume !(1 == ~p_dw_pc~0); {120646#true} is VALID [2022-02-20 19:55:21,667 INFO L290 TraceCheckUtils]: 25: Hoare triple {120646#true} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {120646#true} is VALID [2022-02-20 19:55:21,667 INFO L272 TraceCheckUtils]: 24: Hoare triple {120956#(= (+ ~c_num_read~0 1) ~p_num_write~0)} call immediate_notify_threads(); {120646#true} is VALID [2022-02-20 19:55:21,679 INFO L290 TraceCheckUtils]: 23: Hoare triple {120901#(= ~c_num_read~0 ~p_num_write~0)} assume -2147483648 <= do_write_p_#t~nondet7#1 && do_write_p_#t~nondet7#1 <= 2147483647;~q_buf_0~0 := do_write_p_#t~nondet7#1;havoc do_write_p_#t~nondet7#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1; {120956#(= (+ ~c_num_read~0 1) ~p_num_write~0)} is VALID [2022-02-20 19:55:21,680 INFO L290 TraceCheckUtils]: 22: Hoare triple {120901#(= ~c_num_read~0 ~p_num_write~0)} assume !(0 == ~q_free~0); {120901#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:55:21,680 INFO L290 TraceCheckUtils]: 21: Hoare triple {120901#(= ~c_num_read~0 ~p_num_write~0)} assume !false; {120901#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:55:21,680 INFO L290 TraceCheckUtils]: 20: Hoare triple {120901#(= ~c_num_read~0 ~p_num_write~0)} assume 0 == ~p_dw_pc~0; {120901#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:55:21,680 INFO L290 TraceCheckUtils]: 19: Hoare triple {120901#(= ~c_num_read~0 ~p_num_write~0)} assume 0 != eval1_~tmp~1#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet7#1; {120901#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:55:21,681 INFO L290 TraceCheckUtils]: 18: Hoare triple {120901#(= ~c_num_read~0 ~p_num_write~0)} assume 0 == ~p_dw_st~0;assume -2147483648 <= eval1_#t~nondet9#1 && eval1_#t~nondet9#1 <= 2147483647;eval1_~tmp~1#1 := eval1_#t~nondet9#1;havoc eval1_#t~nondet9#1; {120901#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:55:21,681 INFO L290 TraceCheckUtils]: 17: Hoare triple {120901#(= ~c_num_read~0 ~p_num_write~0)} assume 0 != eval1_~tmp___1~0#1; {120901#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:55:21,681 INFO L290 TraceCheckUtils]: 16: Hoare triple {120901#(= ~c_num_read~0 ~p_num_write~0)} assume -2147483648 <= eval1_#t~ret8#1 && eval1_#t~ret8#1 <= 2147483647;eval1_~tmp___1~0#1 := eval1_#t~ret8#1;havoc eval1_#t~ret8#1; {120901#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:55:21,682 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {120646#true} {120901#(= ~c_num_read~0 ~p_num_write~0)} #731#return; {120901#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:55:21,682 INFO L290 TraceCheckUtils]: 14: Hoare triple {120646#true} assume true; {120646#true} is VALID [2022-02-20 19:55:21,682 INFO L290 TraceCheckUtils]: 13: Hoare triple {120646#true} #res := ~__retres1~2; {120646#true} is VALID [2022-02-20 19:55:21,682 INFO L290 TraceCheckUtils]: 12: Hoare triple {120646#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {120646#true} is VALID [2022-02-20 19:55:21,682 INFO L290 TraceCheckUtils]: 11: Hoare triple {120646#true} havoc ~__retres1~2; {120646#true} is VALID [2022-02-20 19:55:21,682 INFO L272 TraceCheckUtils]: 10: Hoare triple {120901#(= ~c_num_read~0 ~p_num_write~0)} call eval1_#t~ret8#1 := exists_runnable_thread1(); {120646#true} is VALID [2022-02-20 19:55:21,683 INFO L290 TraceCheckUtils]: 9: Hoare triple {120901#(= ~c_num_read~0 ~p_num_write~0)} assume !false; {120901#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:55:21,683 INFO L290 TraceCheckUtils]: 8: Hoare triple {120901#(= ~c_num_read~0 ~p_num_write~0)} start_simulation1_~kernel_st~0#1 := 1;assume { :begin_inline_eval1 } true;havoc eval1_#t~ret8#1, eval1_#t~nondet9#1, eval1_#t~nondet10#1, eval1_~tmp~1#1, eval1_~tmp___0~1#1, eval1_~tmp___1~0#1;havoc eval1_~tmp~1#1;havoc eval1_~tmp___0~1#1;havoc eval1_~tmp___1~0#1; {120901#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:55:21,683 INFO L290 TraceCheckUtils]: 7: Hoare triple {120901#(= ~c_num_read~0 ~p_num_write~0)} assume !false; {120901#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:55:21,684 INFO L290 TraceCheckUtils]: 6: Hoare triple {120901#(= ~c_num_read~0 ~p_num_write~0)} assume { :end_inline_init_threads1 } true; {120901#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:55:21,684 INFO L290 TraceCheckUtils]: 5: Hoare triple {120901#(= ~c_num_read~0 ~p_num_write~0)} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {120901#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:55:21,684 INFO L290 TraceCheckUtils]: 4: Hoare triple {120901#(= ~c_num_read~0 ~p_num_write~0)} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {120901#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:55:21,685 INFO L290 TraceCheckUtils]: 3: Hoare triple {120901#(= ~c_num_read~0 ~p_num_write~0)} assume { :end_inline_init_model1 } true;assume { :begin_inline_start_simulation1 } true;havoc start_simulation1_#t~ret12#1, start_simulation1_~kernel_st~0#1, start_simulation1_~tmp~3#1;havoc start_simulation1_~kernel_st~0#1;havoc start_simulation1_~tmp~3#1;start_simulation1_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads1 } true; {120901#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:55:21,685 INFO L290 TraceCheckUtils]: 2: Hoare triple {120646#true} assume 0 != main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_main1 } true;havoc main1_#res#1;havoc main1_~__retres1~3#1;havoc main1_~__retres1~3#1;assume { :begin_inline_init_model1 } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {120901#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:55:21,685 INFO L290 TraceCheckUtils]: 1: Hoare triple {120646#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1;assume -2147483648 <= main_#t~nondet29#1 && main_#t~nondet29#1 <= 2147483647; {120646#true} is VALID [2022-02-20 19:55:21,685 INFO L290 TraceCheckUtils]: 0: Hoare triple {120646#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~token~0 := 0;~local~0 := 0; {120646#true} is VALID [2022-02-20 19:55:21,685 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-02-20 19:55:21,686 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867900100] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 19:55:21,686 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 19:55:21,686 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 4] total 11 [2022-02-20 19:55:21,686 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120480323] [2022-02-20 19:55:21,686 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 19:55:21,687 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.727272727272727) internal successors, (151), 10 states have internal predecessors, (151), 7 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) Word has length 69 [2022-02-20 19:55:21,687 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:55:21,687 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 11 states, 11 states have (on average 13.727272727272727) internal successors, (151), 10 states have internal predecessors, (151), 7 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) [2022-02-20 19:55:21,777 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 170 edges. 170 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:21,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-20 19:55:21,778 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:55:21,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-20 19:55:21,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-02-20 19:55:21,778 INFO L87 Difference]: Start difference. First operand 3453 states and 4867 transitions. Second operand has 11 states, 11 states have (on average 13.727272727272727) internal successors, (151), 10 states have internal predecessors, (151), 7 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) [2022-02-20 19:55:25,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:25,985 INFO L93 Difference]: Finished difference Result 4963 states and 6805 transitions. [2022-02-20 19:55:25,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-20 19:55:25,985 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.727272727272727) internal successors, (151), 10 states have internal predecessors, (151), 7 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) Word has length 69 [2022-02-20 19:55:25,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:55:25,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 13.727272727272727) internal successors, (151), 10 states have internal predecessors, (151), 7 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) [2022-02-20 19:55:25,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 808 transitions. [2022-02-20 19:55:25,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 13.727272727272727) internal successors, (151), 10 states have internal predecessors, (151), 7 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) [2022-02-20 19:55:25,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 808 transitions. [2022-02-20 19:55:25,992 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 41 states and 808 transitions. [2022-02-20 19:55:26,477 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 808 edges. 808 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:27,316 INFO L225 Difference]: With dead ends: 4963 [2022-02-20 19:55:27,316 INFO L226 Difference]: Without dead ends: 4467 [2022-02-20 19:55:27,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 152 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 461 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=324, Invalid=1482, Unknown=0, NotChecked=0, Total=1806 [2022-02-20 19:55:27,319 INFO L933 BasicCegarLoop]: 412 mSDtfsCounter, 849 mSDsluCounter, 2041 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 872 SdHoareTripleChecker+Valid, 2453 SdHoareTripleChecker+Invalid, 1103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-20 19:55:27,319 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [872 Valid, 2453 Invalid, 1103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-20 19:55:27,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4467 states. [2022-02-20 19:55:27,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4467 to 3832. [2022-02-20 19:55:27,689 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:55:27,693 INFO L82 GeneralOperation]: Start isEquivalent. First operand 4467 states. Second operand has 3832 states, 3264 states have (on average 1.3789828431372548) internal successors, (4501), 3316 states have internal predecessors, (4501), 335 states have call successors, (335), 198 states have call predecessors, (335), 231 states have return successors, (497), 333 states have call predecessors, (497), 332 states have call successors, (497) [2022-02-20 19:55:27,696 INFO L74 IsIncluded]: Start isIncluded. First operand 4467 states. Second operand has 3832 states, 3264 states have (on average 1.3789828431372548) internal successors, (4501), 3316 states have internal predecessors, (4501), 335 states have call successors, (335), 198 states have call predecessors, (335), 231 states have return successors, (497), 333 states have call predecessors, (497), 332 states have call successors, (497) [2022-02-20 19:55:27,699 INFO L87 Difference]: Start difference. First operand 4467 states. Second operand has 3832 states, 3264 states have (on average 1.3789828431372548) internal successors, (4501), 3316 states have internal predecessors, (4501), 335 states have call successors, (335), 198 states have call predecessors, (335), 231 states have return successors, (497), 333 states have call predecessors, (497), 332 states have call successors, (497) [2022-02-20 19:55:28,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:28,236 INFO L93 Difference]: Finished difference Result 4467 states and 6111 transitions. [2022-02-20 19:55:28,236 INFO L276 IsEmpty]: Start isEmpty. Operand 4467 states and 6111 transitions. [2022-02-20 19:55:28,241 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:28,241 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:28,245 INFO L74 IsIncluded]: Start isIncluded. First operand has 3832 states, 3264 states have (on average 1.3789828431372548) internal successors, (4501), 3316 states have internal predecessors, (4501), 335 states have call successors, (335), 198 states have call predecessors, (335), 231 states have return successors, (497), 333 states have call predecessors, (497), 332 states have call successors, (497) Second operand 4467 states. [2022-02-20 19:55:28,248 INFO L87 Difference]: Start difference. First operand has 3832 states, 3264 states have (on average 1.3789828431372548) internal successors, (4501), 3316 states have internal predecessors, (4501), 335 states have call successors, (335), 198 states have call predecessors, (335), 231 states have return successors, (497), 333 states have call predecessors, (497), 332 states have call successors, (497) Second operand 4467 states. [2022-02-20 19:55:28,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:28,785 INFO L93 Difference]: Finished difference Result 4467 states and 6111 transitions. [2022-02-20 19:55:28,785 INFO L276 IsEmpty]: Start isEmpty. Operand 4467 states and 6111 transitions. [2022-02-20 19:55:28,789 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:28,789 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:28,789 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:55:28,789 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:55:28,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3832 states, 3264 states have (on average 1.3789828431372548) internal successors, (4501), 3316 states have internal predecessors, (4501), 335 states have call successors, (335), 198 states have call predecessors, (335), 231 states have return successors, (497), 333 states have call predecessors, (497), 332 states have call successors, (497) [2022-02-20 19:55:29,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3832 states to 3832 states and 5333 transitions. [2022-02-20 19:55:29,400 INFO L78 Accepts]: Start accepts. Automaton has 3832 states and 5333 transitions. Word has length 69 [2022-02-20 19:55:29,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:55:29,400 INFO L470 AbstractCegarLoop]: Abstraction has 3832 states and 5333 transitions. [2022-02-20 19:55:29,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.727272727272727) internal successors, (151), 10 states have internal predecessors, (151), 7 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 7 states have call successors, (9) [2022-02-20 19:55:29,400 INFO L276 IsEmpty]: Start isEmpty. Operand 3832 states and 5333 transitions. [2022-02-20 19:55:29,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-02-20 19:55:29,403 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:55:29,403 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-02-20 19:55:29,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-20 19:55:29,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 19:55:29,607 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [error1Err0ASSERT_VIOLATIONERROR_FUNCTION, error2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:55:29,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:55:29,608 INFO L85 PathProgramCache]: Analyzing trace with hash -290000336, now seen corresponding path program 1 times [2022-02-20 19:55:29,608 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:55:29,608 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444955329] [2022-02-20 19:55:29,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:55:29,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:55:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:29,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 19:55:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:29,635 INFO L290 TraceCheckUtils]: 0: Hoare triple {141921#true} havoc ~__retres1~2; {141921#true} is VALID [2022-02-20 19:55:29,636 INFO L290 TraceCheckUtils]: 1: Hoare triple {141921#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {141921#true} is VALID [2022-02-20 19:55:29,636 INFO L290 TraceCheckUtils]: 2: Hoare triple {141921#true} #res := ~__retres1~2; {141921#true} is VALID [2022-02-20 19:55:29,636 INFO L290 TraceCheckUtils]: 3: Hoare triple {141921#true} assume true; {141921#true} is VALID [2022-02-20 19:55:29,636 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {141921#true} {141921#true} #731#return; {141921#true} is VALID [2022-02-20 19:55:29,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-20 19:55:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:29,669 INFO L290 TraceCheckUtils]: 0: Hoare triple {141970#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {141921#true} is VALID [2022-02-20 19:55:29,669 INFO L290 TraceCheckUtils]: 1: Hoare triple {141921#true} assume !(1 == ~p_dw_pc~0); {141921#true} is VALID [2022-02-20 19:55:29,669 INFO L290 TraceCheckUtils]: 2: Hoare triple {141921#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {141921#true} is VALID [2022-02-20 19:55:29,669 INFO L290 TraceCheckUtils]: 3: Hoare triple {141921#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {141921#true} is VALID [2022-02-20 19:55:29,669 INFO L290 TraceCheckUtils]: 4: Hoare triple {141921#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {141921#true} is VALID [2022-02-20 19:55:29,669 INFO L290 TraceCheckUtils]: 5: Hoare triple {141921#true} assume !(0 != ~tmp~0#1); {141921#true} is VALID [2022-02-20 19:55:29,669 INFO L290 TraceCheckUtils]: 6: Hoare triple {141921#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {141921#true} is VALID [2022-02-20 19:55:29,669 INFO L290 TraceCheckUtils]: 7: Hoare triple {141921#true} assume !(1 == ~c_dr_pc~0); {141921#true} is VALID [2022-02-20 19:55:29,670 INFO L290 TraceCheckUtils]: 8: Hoare triple {141921#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {141971#(and (<= 0 |immediate_notify_threads_is_do_read_c_triggered_~__retres1~1#1|) (<= |immediate_notify_threads_is_do_read_c_triggered_~__retres1~1#1| 0))} is VALID [2022-02-20 19:55:29,670 INFO L290 TraceCheckUtils]: 9: Hoare triple {141971#(and (<= 0 |immediate_notify_threads_is_do_read_c_triggered_~__retres1~1#1|) (<= |immediate_notify_threads_is_do_read_c_triggered_~__retres1~1#1| 0))} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {141972#(and (<= |immediate_notify_threads_is_do_read_c_triggered_#res#1| 0) (<= 0 |immediate_notify_threads_is_do_read_c_triggered_#res#1|))} is VALID [2022-02-20 19:55:29,671 INFO L290 TraceCheckUtils]: 10: Hoare triple {141972#(and (<= |immediate_notify_threads_is_do_read_c_triggered_#res#1| 0) (<= 0 |immediate_notify_threads_is_do_read_c_triggered_#res#1|))} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {141973#(and (<= |immediate_notify_threads_~tmp___0~0#1| 0) (< 0 (+ |immediate_notify_threads_~tmp___0~0#1| 1)))} is VALID [2022-02-20 19:55:29,671 INFO L290 TraceCheckUtils]: 11: Hoare triple {141973#(and (<= |immediate_notify_threads_~tmp___0~0#1| 0) (< 0 (+ |immediate_notify_threads_~tmp___0~0#1| 1)))} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {141922#false} is VALID [2022-02-20 19:55:29,671 INFO L290 TraceCheckUtils]: 12: Hoare triple {141922#false} assume true; {141922#false} is VALID [2022-02-20 19:55:29,671 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {141922#false} {141921#true} #733#return; {141922#false} is VALID [2022-02-20 19:55:29,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-02-20 19:55:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:29,682 INFO L290 TraceCheckUtils]: 0: Hoare triple {141970#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {141921#true} is VALID [2022-02-20 19:55:29,683 INFO L290 TraceCheckUtils]: 1: Hoare triple {141921#true} assume !(1 == ~p_dw_pc~0); {141921#true} is VALID [2022-02-20 19:55:29,683 INFO L290 TraceCheckUtils]: 2: Hoare triple {141921#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {141921#true} is VALID [2022-02-20 19:55:29,683 INFO L290 TraceCheckUtils]: 3: Hoare triple {141921#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {141921#true} is VALID [2022-02-20 19:55:29,683 INFO L290 TraceCheckUtils]: 4: Hoare triple {141921#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {141921#true} is VALID [2022-02-20 19:55:29,683 INFO L290 TraceCheckUtils]: 5: Hoare triple {141921#true} assume !(0 != ~tmp~0#1); {141921#true} is VALID [2022-02-20 19:55:29,683 INFO L290 TraceCheckUtils]: 6: Hoare triple {141921#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {141921#true} is VALID [2022-02-20 19:55:29,683 INFO L290 TraceCheckUtils]: 7: Hoare triple {141921#true} assume !(1 == ~c_dr_pc~0); {141921#true} is VALID [2022-02-20 19:55:29,683 INFO L290 TraceCheckUtils]: 8: Hoare triple {141921#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {141921#true} is VALID [2022-02-20 19:55:29,683 INFO L290 TraceCheckUtils]: 9: Hoare triple {141921#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {141921#true} is VALID [2022-02-20 19:55:29,683 INFO L290 TraceCheckUtils]: 10: Hoare triple {141921#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {141921#true} is VALID [2022-02-20 19:55:29,684 INFO L290 TraceCheckUtils]: 11: Hoare triple {141921#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {141921#true} is VALID [2022-02-20 19:55:29,684 INFO L290 TraceCheckUtils]: 12: Hoare triple {141921#true} assume true; {141921#true} is VALID [2022-02-20 19:55:29,684 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {141921#true} {141922#false} #733#return; {141922#false} is VALID [2022-02-20 19:55:29,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-02-20 19:55:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:29,688 INFO L290 TraceCheckUtils]: 0: Hoare triple {141970#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {141921#true} is VALID [2022-02-20 19:55:29,688 INFO L290 TraceCheckUtils]: 1: Hoare triple {141921#true} assume 1 == ~p_dw_pc~0; {141921#true} is VALID [2022-02-20 19:55:29,688 INFO L290 TraceCheckUtils]: 2: Hoare triple {141921#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {141921#true} is VALID [2022-02-20 19:55:29,688 INFO L290 TraceCheckUtils]: 3: Hoare triple {141921#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {141921#true} is VALID [2022-02-20 19:55:29,688 INFO L290 TraceCheckUtils]: 4: Hoare triple {141921#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {141921#true} is VALID [2022-02-20 19:55:29,688 INFO L290 TraceCheckUtils]: 5: Hoare triple {141921#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {141921#true} is VALID [2022-02-20 19:55:29,688 INFO L290 TraceCheckUtils]: 6: Hoare triple {141921#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {141921#true} is VALID [2022-02-20 19:55:29,688 INFO L290 TraceCheckUtils]: 7: Hoare triple {141921#true} assume !(1 == ~c_dr_pc~0); {141921#true} is VALID [2022-02-20 19:55:29,688 INFO L290 TraceCheckUtils]: 8: Hoare triple {141921#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {141921#true} is VALID [2022-02-20 19:55:29,689 INFO L290 TraceCheckUtils]: 9: Hoare triple {141921#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {141921#true} is VALID [2022-02-20 19:55:29,689 INFO L290 TraceCheckUtils]: 10: Hoare triple {141921#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {141921#true} is VALID [2022-02-20 19:55:29,689 INFO L290 TraceCheckUtils]: 11: Hoare triple {141921#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {141921#true} is VALID [2022-02-20 19:55:29,689 INFO L290 TraceCheckUtils]: 12: Hoare triple {141921#true} assume true; {141921#true} is VALID [2022-02-20 19:55:29,689 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {141921#true} {141922#false} #735#return; {141922#false} is VALID [2022-02-20 19:55:29,689 INFO L290 TraceCheckUtils]: 0: Hoare triple {141921#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~token~0 := 0;~local~0 := 0; {141921#true} is VALID [2022-02-20 19:55:29,689 INFO L290 TraceCheckUtils]: 1: Hoare triple {141921#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1;assume -2147483648 <= main_#t~nondet29#1 && main_#t~nondet29#1 <= 2147483647; {141921#true} is VALID [2022-02-20 19:55:29,689 INFO L290 TraceCheckUtils]: 2: Hoare triple {141921#true} assume 0 != main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_main1 } true;havoc main1_#res#1;havoc main1_~__retres1~3#1;havoc main1_~__retres1~3#1;assume { :begin_inline_init_model1 } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {141921#true} is VALID [2022-02-20 19:55:29,689 INFO L290 TraceCheckUtils]: 3: Hoare triple {141921#true} assume { :end_inline_init_model1 } true;assume { :begin_inline_start_simulation1 } true;havoc start_simulation1_#t~ret12#1, start_simulation1_~kernel_st~0#1, start_simulation1_~tmp~3#1;havoc start_simulation1_~kernel_st~0#1;havoc start_simulation1_~tmp~3#1;start_simulation1_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads1 } true; {141921#true} is VALID [2022-02-20 19:55:29,689 INFO L290 TraceCheckUtils]: 4: Hoare triple {141921#true} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {141921#true} is VALID [2022-02-20 19:55:29,690 INFO L290 TraceCheckUtils]: 5: Hoare triple {141921#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {141921#true} is VALID [2022-02-20 19:55:29,690 INFO L290 TraceCheckUtils]: 6: Hoare triple {141921#true} assume { :end_inline_init_threads1 } true; {141921#true} is VALID [2022-02-20 19:55:29,690 INFO L290 TraceCheckUtils]: 7: Hoare triple {141921#true} assume !false; {141921#true} is VALID [2022-02-20 19:55:29,690 INFO L290 TraceCheckUtils]: 8: Hoare triple {141921#true} start_simulation1_~kernel_st~0#1 := 1;assume { :begin_inline_eval1 } true;havoc eval1_#t~ret8#1, eval1_#t~nondet9#1, eval1_#t~nondet10#1, eval1_~tmp~1#1, eval1_~tmp___0~1#1, eval1_~tmp___1~0#1;havoc eval1_~tmp~1#1;havoc eval1_~tmp___0~1#1;havoc eval1_~tmp___1~0#1; {141921#true} is VALID [2022-02-20 19:55:29,690 INFO L290 TraceCheckUtils]: 9: Hoare triple {141921#true} assume !false; {141921#true} is VALID [2022-02-20 19:55:29,690 INFO L272 TraceCheckUtils]: 10: Hoare triple {141921#true} call eval1_#t~ret8#1 := exists_runnable_thread1(); {141921#true} is VALID [2022-02-20 19:55:29,690 INFO L290 TraceCheckUtils]: 11: Hoare triple {141921#true} havoc ~__retres1~2; {141921#true} is VALID [2022-02-20 19:55:29,690 INFO L290 TraceCheckUtils]: 12: Hoare triple {141921#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {141921#true} is VALID [2022-02-20 19:55:29,690 INFO L290 TraceCheckUtils]: 13: Hoare triple {141921#true} #res := ~__retres1~2; {141921#true} is VALID [2022-02-20 19:55:29,690 INFO L290 TraceCheckUtils]: 14: Hoare triple {141921#true} assume true; {141921#true} is VALID [2022-02-20 19:55:29,691 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {141921#true} {141921#true} #731#return; {141921#true} is VALID [2022-02-20 19:55:29,691 INFO L290 TraceCheckUtils]: 16: Hoare triple {141921#true} assume -2147483648 <= eval1_#t~ret8#1 && eval1_#t~ret8#1 <= 2147483647;eval1_~tmp___1~0#1 := eval1_#t~ret8#1;havoc eval1_#t~ret8#1; {141921#true} is VALID [2022-02-20 19:55:29,691 INFO L290 TraceCheckUtils]: 17: Hoare triple {141921#true} assume 0 != eval1_~tmp___1~0#1; {141921#true} is VALID [2022-02-20 19:55:29,691 INFO L290 TraceCheckUtils]: 18: Hoare triple {141921#true} assume 0 == ~p_dw_st~0;assume -2147483648 <= eval1_#t~nondet9#1 && eval1_#t~nondet9#1 <= 2147483647;eval1_~tmp~1#1 := eval1_#t~nondet9#1;havoc eval1_#t~nondet9#1; {141921#true} is VALID [2022-02-20 19:55:29,691 INFO L290 TraceCheckUtils]: 19: Hoare triple {141921#true} assume 0 != eval1_~tmp~1#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet7#1; {141921#true} is VALID [2022-02-20 19:55:29,691 INFO L290 TraceCheckUtils]: 20: Hoare triple {141921#true} assume 0 == ~p_dw_pc~0; {141921#true} is VALID [2022-02-20 19:55:29,691 INFO L290 TraceCheckUtils]: 21: Hoare triple {141921#true} assume !false; {141921#true} is VALID [2022-02-20 19:55:29,691 INFO L290 TraceCheckUtils]: 22: Hoare triple {141921#true} assume !(0 == ~q_free~0); {141921#true} is VALID [2022-02-20 19:55:29,691 INFO L290 TraceCheckUtils]: 23: Hoare triple {141921#true} assume -2147483648 <= do_write_p_#t~nondet7#1 && do_write_p_#t~nondet7#1 <= 2147483647;~q_buf_0~0 := do_write_p_#t~nondet7#1;havoc do_write_p_#t~nondet7#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1; {141921#true} is VALID [2022-02-20 19:55:29,692 INFO L272 TraceCheckUtils]: 24: Hoare triple {141921#true} call immediate_notify_threads(); {141970#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:55:29,692 INFO L290 TraceCheckUtils]: 25: Hoare triple {141970#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {141921#true} is VALID [2022-02-20 19:55:29,692 INFO L290 TraceCheckUtils]: 26: Hoare triple {141921#true} assume !(1 == ~p_dw_pc~0); {141921#true} is VALID [2022-02-20 19:55:29,692 INFO L290 TraceCheckUtils]: 27: Hoare triple {141921#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {141921#true} is VALID [2022-02-20 19:55:29,692 INFO L290 TraceCheckUtils]: 28: Hoare triple {141921#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {141921#true} is VALID [2022-02-20 19:55:29,692 INFO L290 TraceCheckUtils]: 29: Hoare triple {141921#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {141921#true} is VALID [2022-02-20 19:55:29,692 INFO L290 TraceCheckUtils]: 30: Hoare triple {141921#true} assume !(0 != ~tmp~0#1); {141921#true} is VALID [2022-02-20 19:55:29,692 INFO L290 TraceCheckUtils]: 31: Hoare triple {141921#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {141921#true} is VALID [2022-02-20 19:55:29,693 INFO L290 TraceCheckUtils]: 32: Hoare triple {141921#true} assume !(1 == ~c_dr_pc~0); {141921#true} is VALID [2022-02-20 19:55:29,693 INFO L290 TraceCheckUtils]: 33: Hoare triple {141921#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {141971#(and (<= 0 |immediate_notify_threads_is_do_read_c_triggered_~__retres1~1#1|) (<= |immediate_notify_threads_is_do_read_c_triggered_~__retres1~1#1| 0))} is VALID [2022-02-20 19:55:29,693 INFO L290 TraceCheckUtils]: 34: Hoare triple {141971#(and (<= 0 |immediate_notify_threads_is_do_read_c_triggered_~__retres1~1#1|) (<= |immediate_notify_threads_is_do_read_c_triggered_~__retres1~1#1| 0))} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {141972#(and (<= |immediate_notify_threads_is_do_read_c_triggered_#res#1| 0) (<= 0 |immediate_notify_threads_is_do_read_c_triggered_#res#1|))} is VALID [2022-02-20 19:55:29,694 INFO L290 TraceCheckUtils]: 35: Hoare triple {141972#(and (<= |immediate_notify_threads_is_do_read_c_triggered_#res#1| 0) (<= 0 |immediate_notify_threads_is_do_read_c_triggered_#res#1|))} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {141973#(and (<= |immediate_notify_threads_~tmp___0~0#1| 0) (< 0 (+ |immediate_notify_threads_~tmp___0~0#1| 1)))} is VALID [2022-02-20 19:55:29,694 INFO L290 TraceCheckUtils]: 36: Hoare triple {141973#(and (<= |immediate_notify_threads_~tmp___0~0#1| 0) (< 0 (+ |immediate_notify_threads_~tmp___0~0#1| 1)))} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {141922#false} is VALID [2022-02-20 19:55:29,694 INFO L290 TraceCheckUtils]: 37: Hoare triple {141922#false} assume true; {141922#false} is VALID [2022-02-20 19:55:29,694 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {141922#false} {141921#true} #733#return; {141922#false} is VALID [2022-02-20 19:55:29,694 INFO L290 TraceCheckUtils]: 39: Hoare triple {141922#false} ~q_write_ev~0 := 2; {141922#false} is VALID [2022-02-20 19:55:29,694 INFO L290 TraceCheckUtils]: 40: Hoare triple {141922#false} assume !false; {141922#false} is VALID [2022-02-20 19:55:29,695 INFO L290 TraceCheckUtils]: 41: Hoare triple {141922#false} assume !(0 == ~q_free~0); {141922#false} is VALID [2022-02-20 19:55:29,695 INFO L290 TraceCheckUtils]: 42: Hoare triple {141922#false} assume -2147483648 <= do_write_p_#t~nondet7#1 && do_write_p_#t~nondet7#1 <= 2147483647;~q_buf_0~0 := do_write_p_#t~nondet7#1;havoc do_write_p_#t~nondet7#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1; {141922#false} is VALID [2022-02-20 19:55:29,695 INFO L272 TraceCheckUtils]: 43: Hoare triple {141922#false} call immediate_notify_threads(); {141970#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:55:29,695 INFO L290 TraceCheckUtils]: 44: Hoare triple {141970#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {141921#true} is VALID [2022-02-20 19:55:29,695 INFO L290 TraceCheckUtils]: 45: Hoare triple {141921#true} assume !(1 == ~p_dw_pc~0); {141921#true} is VALID [2022-02-20 19:55:29,695 INFO L290 TraceCheckUtils]: 46: Hoare triple {141921#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {141921#true} is VALID [2022-02-20 19:55:29,695 INFO L290 TraceCheckUtils]: 47: Hoare triple {141921#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {141921#true} is VALID [2022-02-20 19:55:29,695 INFO L290 TraceCheckUtils]: 48: Hoare triple {141921#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {141921#true} is VALID [2022-02-20 19:55:29,695 INFO L290 TraceCheckUtils]: 49: Hoare triple {141921#true} assume !(0 != ~tmp~0#1); {141921#true} is VALID [2022-02-20 19:55:29,695 INFO L290 TraceCheckUtils]: 50: Hoare triple {141921#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {141921#true} is VALID [2022-02-20 19:55:29,696 INFO L290 TraceCheckUtils]: 51: Hoare triple {141921#true} assume !(1 == ~c_dr_pc~0); {141921#true} is VALID [2022-02-20 19:55:29,696 INFO L290 TraceCheckUtils]: 52: Hoare triple {141921#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {141921#true} is VALID [2022-02-20 19:55:29,696 INFO L290 TraceCheckUtils]: 53: Hoare triple {141921#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {141921#true} is VALID [2022-02-20 19:55:29,696 INFO L290 TraceCheckUtils]: 54: Hoare triple {141921#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {141921#true} is VALID [2022-02-20 19:55:29,696 INFO L290 TraceCheckUtils]: 55: Hoare triple {141921#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {141921#true} is VALID [2022-02-20 19:55:29,696 INFO L290 TraceCheckUtils]: 56: Hoare triple {141921#true} assume true; {141921#true} is VALID [2022-02-20 19:55:29,696 INFO L284 TraceCheckUtils]: 57: Hoare quadruple {141921#true} {141922#false} #733#return; {141922#false} is VALID [2022-02-20 19:55:29,696 INFO L290 TraceCheckUtils]: 58: Hoare triple {141922#false} ~q_write_ev~0 := 2; {141922#false} is VALID [2022-02-20 19:55:29,696 INFO L290 TraceCheckUtils]: 59: Hoare triple {141922#false} assume !false; {141922#false} is VALID [2022-02-20 19:55:29,696 INFO L290 TraceCheckUtils]: 60: Hoare triple {141922#false} assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; {141922#false} is VALID [2022-02-20 19:55:29,696 INFO L290 TraceCheckUtils]: 61: Hoare triple {141922#false} assume { :end_inline_do_write_p } true; {141922#false} is VALID [2022-02-20 19:55:29,697 INFO L290 TraceCheckUtils]: 62: Hoare triple {141922#false} assume 0 == ~c_dr_st~0;assume -2147483648 <= eval1_#t~nondet10#1 && eval1_#t~nondet10#1 <= 2147483647;eval1_~tmp___0~1#1 := eval1_#t~nondet10#1;havoc eval1_#t~nondet10#1; {141922#false} is VALID [2022-02-20 19:55:29,697 INFO L290 TraceCheckUtils]: 63: Hoare triple {141922#false} assume 0 != eval1_~tmp___0~1#1;~c_dr_st~0 := 1;assume { :begin_inline_do_read_c } true;havoc do_read_c_~a~0#1;havoc do_read_c_~a~0#1; {141922#false} is VALID [2022-02-20 19:55:29,697 INFO L290 TraceCheckUtils]: 64: Hoare triple {141922#false} assume 0 == ~c_dr_pc~0; {141922#false} is VALID [2022-02-20 19:55:29,697 INFO L290 TraceCheckUtils]: 65: Hoare triple {141922#false} assume !false; {141922#false} is VALID [2022-02-20 19:55:29,697 INFO L290 TraceCheckUtils]: 66: Hoare triple {141922#false} assume !(1 == ~q_free~0); {141922#false} is VALID [2022-02-20 19:55:29,697 INFO L290 TraceCheckUtils]: 67: Hoare triple {141922#false} do_read_c_~a~0#1 := ~q_buf_0~0;~c_last_read~0 := do_read_c_~a~0#1;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_read_ev~0 := 1; {141922#false} is VALID [2022-02-20 19:55:29,697 INFO L272 TraceCheckUtils]: 68: Hoare triple {141922#false} call immediate_notify_threads(); {141970#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:55:29,697 INFO L290 TraceCheckUtils]: 69: Hoare triple {141970#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {141921#true} is VALID [2022-02-20 19:55:29,697 INFO L290 TraceCheckUtils]: 70: Hoare triple {141921#true} assume 1 == ~p_dw_pc~0; {141921#true} is VALID [2022-02-20 19:55:29,697 INFO L290 TraceCheckUtils]: 71: Hoare triple {141921#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {141921#true} is VALID [2022-02-20 19:55:29,698 INFO L290 TraceCheckUtils]: 72: Hoare triple {141921#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {141921#true} is VALID [2022-02-20 19:55:29,698 INFO L290 TraceCheckUtils]: 73: Hoare triple {141921#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {141921#true} is VALID [2022-02-20 19:55:29,698 INFO L290 TraceCheckUtils]: 74: Hoare triple {141921#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {141921#true} is VALID [2022-02-20 19:55:29,698 INFO L290 TraceCheckUtils]: 75: Hoare triple {141921#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {141921#true} is VALID [2022-02-20 19:55:29,698 INFO L290 TraceCheckUtils]: 76: Hoare triple {141921#true} assume !(1 == ~c_dr_pc~0); {141921#true} is VALID [2022-02-20 19:55:29,698 INFO L290 TraceCheckUtils]: 77: Hoare triple {141921#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {141921#true} is VALID [2022-02-20 19:55:29,698 INFO L290 TraceCheckUtils]: 78: Hoare triple {141921#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {141921#true} is VALID [2022-02-20 19:55:29,698 INFO L290 TraceCheckUtils]: 79: Hoare triple {141921#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {141921#true} is VALID [2022-02-20 19:55:29,698 INFO L290 TraceCheckUtils]: 80: Hoare triple {141921#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {141921#true} is VALID [2022-02-20 19:55:29,698 INFO L290 TraceCheckUtils]: 81: Hoare triple {141921#true} assume true; {141921#true} is VALID [2022-02-20 19:55:29,699 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {141921#true} {141922#false} #735#return; {141922#false} is VALID [2022-02-20 19:55:29,699 INFO L290 TraceCheckUtils]: 83: Hoare triple {141922#false} ~q_read_ev~0 := 2; {141922#false} is VALID [2022-02-20 19:55:29,699 INFO L290 TraceCheckUtils]: 84: Hoare triple {141922#false} assume ~p_last_write~0 == ~c_last_read~0; {141922#false} is VALID [2022-02-20 19:55:29,699 INFO L290 TraceCheckUtils]: 85: Hoare triple {141922#false} assume !(~p_num_write~0 == ~c_num_read~0); {141922#false} is VALID [2022-02-20 19:55:29,699 INFO L272 TraceCheckUtils]: 86: Hoare triple {141922#false} call error1(); {141922#false} is VALID [2022-02-20 19:55:29,699 INFO L290 TraceCheckUtils]: 87: Hoare triple {141922#false} assume !false; {141922#false} is VALID [2022-02-20 19:55:29,700 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-02-20 19:55:29,700 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:55:29,700 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444955329] [2022-02-20 19:55:29,700 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444955329] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 19:55:29,700 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854952276] [2022-02-20 19:55:29,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:55:29,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 19:55:29,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 19:55:29,701 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 19:55:29,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 19:55:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:29,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-20 19:55:29,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:29,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 19:55:29,950 INFO L290 TraceCheckUtils]: 0: Hoare triple {141921#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~token~0 := 0;~local~0 := 0; {141921#true} is VALID [2022-02-20 19:55:29,950 INFO L290 TraceCheckUtils]: 1: Hoare triple {141921#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1;assume -2147483648 <= main_#t~nondet29#1 && main_#t~nondet29#1 <= 2147483647; {141921#true} is VALID [2022-02-20 19:55:29,950 INFO L290 TraceCheckUtils]: 2: Hoare triple {141921#true} assume 0 != main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_main1 } true;havoc main1_#res#1;havoc main1_~__retres1~3#1;havoc main1_~__retres1~3#1;assume { :begin_inline_init_model1 } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {141921#true} is VALID [2022-02-20 19:55:29,950 INFO L290 TraceCheckUtils]: 3: Hoare triple {141921#true} assume { :end_inline_init_model1 } true;assume { :begin_inline_start_simulation1 } true;havoc start_simulation1_#t~ret12#1, start_simulation1_~kernel_st~0#1, start_simulation1_~tmp~3#1;havoc start_simulation1_~kernel_st~0#1;havoc start_simulation1_~tmp~3#1;start_simulation1_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads1 } true; {141921#true} is VALID [2022-02-20 19:55:29,950 INFO L290 TraceCheckUtils]: 4: Hoare triple {141921#true} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {141921#true} is VALID [2022-02-20 19:55:29,950 INFO L290 TraceCheckUtils]: 5: Hoare triple {141921#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {141921#true} is VALID [2022-02-20 19:55:29,950 INFO L290 TraceCheckUtils]: 6: Hoare triple {141921#true} assume { :end_inline_init_threads1 } true; {141921#true} is VALID [2022-02-20 19:55:29,950 INFO L290 TraceCheckUtils]: 7: Hoare triple {141921#true} assume !false; {141921#true} is VALID [2022-02-20 19:55:29,950 INFO L290 TraceCheckUtils]: 8: Hoare triple {141921#true} start_simulation1_~kernel_st~0#1 := 1;assume { :begin_inline_eval1 } true;havoc eval1_#t~ret8#1, eval1_#t~nondet9#1, eval1_#t~nondet10#1, eval1_~tmp~1#1, eval1_~tmp___0~1#1, eval1_~tmp___1~0#1;havoc eval1_~tmp~1#1;havoc eval1_~tmp___0~1#1;havoc eval1_~tmp___1~0#1; {141921#true} is VALID [2022-02-20 19:55:29,950 INFO L290 TraceCheckUtils]: 9: Hoare triple {141921#true} assume !false; {141921#true} is VALID [2022-02-20 19:55:29,950 INFO L272 TraceCheckUtils]: 10: Hoare triple {141921#true} call eval1_#t~ret8#1 := exists_runnable_thread1(); {141921#true} is VALID [2022-02-20 19:55:29,950 INFO L290 TraceCheckUtils]: 11: Hoare triple {141921#true} havoc ~__retres1~2; {141921#true} is VALID [2022-02-20 19:55:29,951 INFO L290 TraceCheckUtils]: 12: Hoare triple {141921#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {141921#true} is VALID [2022-02-20 19:55:29,951 INFO L290 TraceCheckUtils]: 13: Hoare triple {141921#true} #res := ~__retres1~2; {141921#true} is VALID [2022-02-20 19:55:29,951 INFO L290 TraceCheckUtils]: 14: Hoare triple {141921#true} assume true; {141921#true} is VALID [2022-02-20 19:55:29,951 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {141921#true} {141921#true} #731#return; {141921#true} is VALID [2022-02-20 19:55:29,951 INFO L290 TraceCheckUtils]: 16: Hoare triple {141921#true} assume -2147483648 <= eval1_#t~ret8#1 && eval1_#t~ret8#1 <= 2147483647;eval1_~tmp___1~0#1 := eval1_#t~ret8#1;havoc eval1_#t~ret8#1; {141921#true} is VALID [2022-02-20 19:55:29,951 INFO L290 TraceCheckUtils]: 17: Hoare triple {141921#true} assume 0 != eval1_~tmp___1~0#1; {141921#true} is VALID [2022-02-20 19:55:29,951 INFO L290 TraceCheckUtils]: 18: Hoare triple {141921#true} assume 0 == ~p_dw_st~0;assume -2147483648 <= eval1_#t~nondet9#1 && eval1_#t~nondet9#1 <= 2147483647;eval1_~tmp~1#1 := eval1_#t~nondet9#1;havoc eval1_#t~nondet9#1; {141921#true} is VALID [2022-02-20 19:55:29,951 INFO L290 TraceCheckUtils]: 19: Hoare triple {141921#true} assume 0 != eval1_~tmp~1#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet7#1; {141921#true} is VALID [2022-02-20 19:55:29,951 INFO L290 TraceCheckUtils]: 20: Hoare triple {141921#true} assume 0 == ~p_dw_pc~0; {141921#true} is VALID [2022-02-20 19:55:29,951 INFO L290 TraceCheckUtils]: 21: Hoare triple {141921#true} assume !false; {141921#true} is VALID [2022-02-20 19:55:29,952 INFO L290 TraceCheckUtils]: 22: Hoare triple {141921#true} assume !(0 == ~q_free~0); {141921#true} is VALID [2022-02-20 19:55:29,953 INFO L290 TraceCheckUtils]: 23: Hoare triple {141921#true} assume -2147483648 <= do_write_p_#t~nondet7#1 && do_write_p_#t~nondet7#1 <= 2147483647;~q_buf_0~0 := do_write_p_#t~nondet7#1;havoc do_write_p_#t~nondet7#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1; {142046#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:29,953 INFO L272 TraceCheckUtils]: 24: Hoare triple {142046#(= ~q_free~0 0)} call immediate_notify_threads(); {142046#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:29,954 INFO L290 TraceCheckUtils]: 25: Hoare triple {142046#(= ~q_free~0 0)} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {142046#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:29,954 INFO L290 TraceCheckUtils]: 26: Hoare triple {142046#(= ~q_free~0 0)} assume !(1 == ~p_dw_pc~0); {142046#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:29,954 INFO L290 TraceCheckUtils]: 27: Hoare triple {142046#(= ~q_free~0 0)} is_do_write_p_triggered_~__retres1~0#1 := 0; {142046#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:29,954 INFO L290 TraceCheckUtils]: 28: Hoare triple {142046#(= ~q_free~0 0)} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {142046#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:29,955 INFO L290 TraceCheckUtils]: 29: Hoare triple {142046#(= ~q_free~0 0)} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {142046#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:29,955 INFO L290 TraceCheckUtils]: 30: Hoare triple {142046#(= ~q_free~0 0)} assume !(0 != ~tmp~0#1); {142046#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:29,956 INFO L290 TraceCheckUtils]: 31: Hoare triple {142046#(= ~q_free~0 0)} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {142046#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:29,956 INFO L290 TraceCheckUtils]: 32: Hoare triple {142046#(= ~q_free~0 0)} assume !(1 == ~c_dr_pc~0); {142046#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:29,956 INFO L290 TraceCheckUtils]: 33: Hoare triple {142046#(= ~q_free~0 0)} is_do_read_c_triggered_~__retres1~1#1 := 0; {142046#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:29,956 INFO L290 TraceCheckUtils]: 34: Hoare triple {142046#(= ~q_free~0 0)} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {142046#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:29,957 INFO L290 TraceCheckUtils]: 35: Hoare triple {142046#(= ~q_free~0 0)} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {142046#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:29,957 INFO L290 TraceCheckUtils]: 36: Hoare triple {142046#(= ~q_free~0 0)} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {142046#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:29,957 INFO L290 TraceCheckUtils]: 37: Hoare triple {142046#(= ~q_free~0 0)} assume true; {142046#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:29,958 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {142046#(= ~q_free~0 0)} {142046#(= ~q_free~0 0)} #733#return; {142046#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:29,958 INFO L290 TraceCheckUtils]: 39: Hoare triple {142046#(= ~q_free~0 0)} ~q_write_ev~0 := 2; {142046#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:29,958 INFO L290 TraceCheckUtils]: 40: Hoare triple {142046#(= ~q_free~0 0)} assume !false; {142046#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:29,958 INFO L290 TraceCheckUtils]: 41: Hoare triple {142046#(= ~q_free~0 0)} assume !(0 == ~q_free~0); {141922#false} is VALID [2022-02-20 19:55:29,958 INFO L290 TraceCheckUtils]: 42: Hoare triple {141922#false} assume -2147483648 <= do_write_p_#t~nondet7#1 && do_write_p_#t~nondet7#1 <= 2147483647;~q_buf_0~0 := do_write_p_#t~nondet7#1;havoc do_write_p_#t~nondet7#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1; {141922#false} is VALID [2022-02-20 19:55:29,959 INFO L272 TraceCheckUtils]: 43: Hoare triple {141922#false} call immediate_notify_threads(); {141922#false} is VALID [2022-02-20 19:55:29,959 INFO L290 TraceCheckUtils]: 44: Hoare triple {141922#false} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {141922#false} is VALID [2022-02-20 19:55:29,959 INFO L290 TraceCheckUtils]: 45: Hoare triple {141922#false} assume !(1 == ~p_dw_pc~0); {141922#false} is VALID [2022-02-20 19:55:29,959 INFO L290 TraceCheckUtils]: 46: Hoare triple {141922#false} is_do_write_p_triggered_~__retres1~0#1 := 0; {141922#false} is VALID [2022-02-20 19:55:29,959 INFO L290 TraceCheckUtils]: 47: Hoare triple {141922#false} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {141922#false} is VALID [2022-02-20 19:55:29,959 INFO L290 TraceCheckUtils]: 48: Hoare triple {141922#false} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {141922#false} is VALID [2022-02-20 19:55:29,960 INFO L290 TraceCheckUtils]: 49: Hoare triple {141922#false} assume !(0 != ~tmp~0#1); {141922#false} is VALID [2022-02-20 19:55:29,960 INFO L290 TraceCheckUtils]: 50: Hoare triple {141922#false} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {141922#false} is VALID [2022-02-20 19:55:29,960 INFO L290 TraceCheckUtils]: 51: Hoare triple {141922#false} assume !(1 == ~c_dr_pc~0); {141922#false} is VALID [2022-02-20 19:55:29,960 INFO L290 TraceCheckUtils]: 52: Hoare triple {141922#false} is_do_read_c_triggered_~__retres1~1#1 := 0; {141922#false} is VALID [2022-02-20 19:55:29,960 INFO L290 TraceCheckUtils]: 53: Hoare triple {141922#false} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {141922#false} is VALID [2022-02-20 19:55:29,960 INFO L290 TraceCheckUtils]: 54: Hoare triple {141922#false} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {141922#false} is VALID [2022-02-20 19:55:29,960 INFO L290 TraceCheckUtils]: 55: Hoare triple {141922#false} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {141922#false} is VALID [2022-02-20 19:55:29,960 INFO L290 TraceCheckUtils]: 56: Hoare triple {141922#false} assume true; {141922#false} is VALID [2022-02-20 19:55:29,960 INFO L284 TraceCheckUtils]: 57: Hoare quadruple {141922#false} {141922#false} #733#return; {141922#false} is VALID [2022-02-20 19:55:29,960 INFO L290 TraceCheckUtils]: 58: Hoare triple {141922#false} ~q_write_ev~0 := 2; {141922#false} is VALID [2022-02-20 19:55:29,960 INFO L290 TraceCheckUtils]: 59: Hoare triple {141922#false} assume !false; {141922#false} is VALID [2022-02-20 19:55:29,960 INFO L290 TraceCheckUtils]: 60: Hoare triple {141922#false} assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; {141922#false} is VALID [2022-02-20 19:55:29,960 INFO L290 TraceCheckUtils]: 61: Hoare triple {141922#false} assume { :end_inline_do_write_p } true; {141922#false} is VALID [2022-02-20 19:55:29,960 INFO L290 TraceCheckUtils]: 62: Hoare triple {141922#false} assume 0 == ~c_dr_st~0;assume -2147483648 <= eval1_#t~nondet10#1 && eval1_#t~nondet10#1 <= 2147483647;eval1_~tmp___0~1#1 := eval1_#t~nondet10#1;havoc eval1_#t~nondet10#1; {141922#false} is VALID [2022-02-20 19:55:29,960 INFO L290 TraceCheckUtils]: 63: Hoare triple {141922#false} assume 0 != eval1_~tmp___0~1#1;~c_dr_st~0 := 1;assume { :begin_inline_do_read_c } true;havoc do_read_c_~a~0#1;havoc do_read_c_~a~0#1; {141922#false} is VALID [2022-02-20 19:55:29,960 INFO L290 TraceCheckUtils]: 64: Hoare triple {141922#false} assume 0 == ~c_dr_pc~0; {141922#false} is VALID [2022-02-20 19:55:29,960 INFO L290 TraceCheckUtils]: 65: Hoare triple {141922#false} assume !false; {141922#false} is VALID [2022-02-20 19:55:29,960 INFO L290 TraceCheckUtils]: 66: Hoare triple {141922#false} assume !(1 == ~q_free~0); {141922#false} is VALID [2022-02-20 19:55:29,960 INFO L290 TraceCheckUtils]: 67: Hoare triple {141922#false} do_read_c_~a~0#1 := ~q_buf_0~0;~c_last_read~0 := do_read_c_~a~0#1;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_read_ev~0 := 1; {141922#false} is VALID [2022-02-20 19:55:29,960 INFO L272 TraceCheckUtils]: 68: Hoare triple {141922#false} call immediate_notify_threads(); {141922#false} is VALID [2022-02-20 19:55:29,960 INFO L290 TraceCheckUtils]: 69: Hoare triple {141922#false} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {141922#false} is VALID [2022-02-20 19:55:29,960 INFO L290 TraceCheckUtils]: 70: Hoare triple {141922#false} assume 1 == ~p_dw_pc~0; {141922#false} is VALID [2022-02-20 19:55:29,960 INFO L290 TraceCheckUtils]: 71: Hoare triple {141922#false} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {141922#false} is VALID [2022-02-20 19:55:29,960 INFO L290 TraceCheckUtils]: 72: Hoare triple {141922#false} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {141922#false} is VALID [2022-02-20 19:55:29,960 INFO L290 TraceCheckUtils]: 73: Hoare triple {141922#false} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {141922#false} is VALID [2022-02-20 19:55:29,961 INFO L290 TraceCheckUtils]: 74: Hoare triple {141922#false} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {141922#false} is VALID [2022-02-20 19:55:29,961 INFO L290 TraceCheckUtils]: 75: Hoare triple {141922#false} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {141922#false} is VALID [2022-02-20 19:55:29,961 INFO L290 TraceCheckUtils]: 76: Hoare triple {141922#false} assume !(1 == ~c_dr_pc~0); {141922#false} is VALID [2022-02-20 19:55:29,961 INFO L290 TraceCheckUtils]: 77: Hoare triple {141922#false} is_do_read_c_triggered_~__retres1~1#1 := 0; {141922#false} is VALID [2022-02-20 19:55:29,961 INFO L290 TraceCheckUtils]: 78: Hoare triple {141922#false} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {141922#false} is VALID [2022-02-20 19:55:29,961 INFO L290 TraceCheckUtils]: 79: Hoare triple {141922#false} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {141922#false} is VALID [2022-02-20 19:55:29,961 INFO L290 TraceCheckUtils]: 80: Hoare triple {141922#false} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {141922#false} is VALID [2022-02-20 19:55:29,961 INFO L290 TraceCheckUtils]: 81: Hoare triple {141922#false} assume true; {141922#false} is VALID [2022-02-20 19:55:29,961 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {141922#false} {141922#false} #735#return; {141922#false} is VALID [2022-02-20 19:55:29,961 INFO L290 TraceCheckUtils]: 83: Hoare triple {141922#false} ~q_read_ev~0 := 2; {141922#false} is VALID [2022-02-20 19:55:29,961 INFO L290 TraceCheckUtils]: 84: Hoare triple {141922#false} assume ~p_last_write~0 == ~c_last_read~0; {141922#false} is VALID [2022-02-20 19:55:29,961 INFO L290 TraceCheckUtils]: 85: Hoare triple {141922#false} assume !(~p_num_write~0 == ~c_num_read~0); {141922#false} is VALID [2022-02-20 19:55:29,961 INFO L272 TraceCheckUtils]: 86: Hoare triple {141922#false} call error1(); {141922#false} is VALID [2022-02-20 19:55:29,961 INFO L290 TraceCheckUtils]: 87: Hoare triple {141922#false} assume !false; {141922#false} is VALID [2022-02-20 19:55:29,961 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-02-20 19:55:29,961 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 19:55:29,961 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854952276] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:55:29,962 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-20 19:55:29,962 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-02-20 19:55:29,962 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653233656] [2022-02-20 19:55:29,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:55:29,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 88 [2022-02-20 19:55:29,962 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:55:29,963 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 19:55:30,005 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:30,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 19:55:30,005 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:55:30,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 19:55:30,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-20 19:55:30,006 INFO L87 Difference]: Start difference. First operand 3832 states and 5333 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 19:55:31,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:31,267 INFO L93 Difference]: Finished difference Result 4523 states and 6208 transitions. [2022-02-20 19:55:31,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 19:55:31,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 88 [2022-02-20 19:55:31,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:55:31,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 19:55:31,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 427 transitions. [2022-02-20 19:55:31,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 19:55:31,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 427 transitions. [2022-02-20 19:55:31,271 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 427 transitions. [2022-02-20 19:55:31,492 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 427 edges. 427 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:32,063 INFO L225 Difference]: With dead ends: 4523 [2022-02-20 19:55:32,063 INFO L226 Difference]: Without dead ends: 3754 [2022-02-20 19:55:32,064 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-20 19:55:32,065 INFO L933 BasicCegarLoop]: 318 mSDtfsCounter, 247 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 19:55:32,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 391 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 19:55:32,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3754 states. [2022-02-20 19:55:32,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3754 to 3745. [2022-02-20 19:55:32,417 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:55:32,421 INFO L82 GeneralOperation]: Start isEquivalent. First operand 3754 states. Second operand has 3745 states, 3187 states have (on average 1.3796673988076562) internal successors, (4397), 3238 states have internal predecessors, (4397), 331 states have call successors, (331), 194 states have call predecessors, (331), 225 states have return successors, (489), 328 states have call predecessors, (489), 328 states have call successors, (489) [2022-02-20 19:55:32,424 INFO L74 IsIncluded]: Start isIncluded. First operand 3754 states. Second operand has 3745 states, 3187 states have (on average 1.3796673988076562) internal successors, (4397), 3238 states have internal predecessors, (4397), 331 states have call successors, (331), 194 states have call predecessors, (331), 225 states have return successors, (489), 328 states have call predecessors, (489), 328 states have call successors, (489) [2022-02-20 19:55:32,426 INFO L87 Difference]: Start difference. First operand 3754 states. Second operand has 3745 states, 3187 states have (on average 1.3796673988076562) internal successors, (4397), 3238 states have internal predecessors, (4397), 331 states have call successors, (331), 194 states have call predecessors, (331), 225 states have return successors, (489), 328 states have call predecessors, (489), 328 states have call successors, (489) [2022-02-20 19:55:32,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:32,809 INFO L93 Difference]: Finished difference Result 3754 states and 5226 transitions. [2022-02-20 19:55:32,809 INFO L276 IsEmpty]: Start isEmpty. Operand 3754 states and 5226 transitions. [2022-02-20 19:55:32,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:32,813 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:32,817 INFO L74 IsIncluded]: Start isIncluded. First operand has 3745 states, 3187 states have (on average 1.3796673988076562) internal successors, (4397), 3238 states have internal predecessors, (4397), 331 states have call successors, (331), 194 states have call predecessors, (331), 225 states have return successors, (489), 328 states have call predecessors, (489), 328 states have call successors, (489) Second operand 3754 states. [2022-02-20 19:55:32,820 INFO L87 Difference]: Start difference. First operand has 3745 states, 3187 states have (on average 1.3796673988076562) internal successors, (4397), 3238 states have internal predecessors, (4397), 331 states have call successors, (331), 194 states have call predecessors, (331), 225 states have return successors, (489), 328 states have call predecessors, (489), 328 states have call successors, (489) Second operand 3754 states. [2022-02-20 19:55:33,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:33,205 INFO L93 Difference]: Finished difference Result 3754 states and 5226 transitions. [2022-02-20 19:55:33,205 INFO L276 IsEmpty]: Start isEmpty. Operand 3754 states and 5226 transitions. [2022-02-20 19:55:33,208 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:33,208 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:33,209 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:55:33,209 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:55:33,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3745 states, 3187 states have (on average 1.3796673988076562) internal successors, (4397), 3238 states have internal predecessors, (4397), 331 states have call successors, (331), 194 states have call predecessors, (331), 225 states have return successors, (489), 328 states have call predecessors, (489), 328 states have call successors, (489) [2022-02-20 19:55:33,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3745 states to 3745 states and 5217 transitions. [2022-02-20 19:55:33,756 INFO L78 Accepts]: Start accepts. Automaton has 3745 states and 5217 transitions. Word has length 88 [2022-02-20 19:55:33,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:55:33,756 INFO L470 AbstractCegarLoop]: Abstraction has 3745 states and 5217 transitions. [2022-02-20 19:55:33,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 19:55:33,756 INFO L276 IsEmpty]: Start isEmpty. Operand 3745 states and 5217 transitions. [2022-02-20 19:55:33,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-02-20 19:55:33,759 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:55:33,759 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 19:55:33,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-20 19:55:33,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-02-20 19:55:33,960 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [error1Err0ASSERT_VIOLATIONERROR_FUNCTION, error2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:55:33,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:55:33,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1575033221, now seen corresponding path program 1 times [2022-02-20 19:55:33,960 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:55:33,960 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44829815] [2022-02-20 19:55:33,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:55:33,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:55:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:34,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 19:55:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:34,012 INFO L290 TraceCheckUtils]: 0: Hoare triple {160870#true} havoc ~__retres1~2; {160870#true} is VALID [2022-02-20 19:55:34,012 INFO L290 TraceCheckUtils]: 1: Hoare triple {160870#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {160870#true} is VALID [2022-02-20 19:55:34,012 INFO L290 TraceCheckUtils]: 2: Hoare triple {160870#true} #res := ~__retres1~2; {160870#true} is VALID [2022-02-20 19:55:34,012 INFO L290 TraceCheckUtils]: 3: Hoare triple {160870#true} assume true; {160870#true} is VALID [2022-02-20 19:55:34,012 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {160870#true} {160870#true} #731#return; {160870#true} is VALID [2022-02-20 19:55:34,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-20 19:55:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:34,052 INFO L290 TraceCheckUtils]: 0: Hoare triple {160924#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {160870#true} is VALID [2022-02-20 19:55:34,052 INFO L290 TraceCheckUtils]: 1: Hoare triple {160870#true} assume !(1 == ~p_dw_pc~0); {160870#true} is VALID [2022-02-20 19:55:34,052 INFO L290 TraceCheckUtils]: 2: Hoare triple {160870#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {160870#true} is VALID [2022-02-20 19:55:34,052 INFO L290 TraceCheckUtils]: 3: Hoare triple {160870#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {160870#true} is VALID [2022-02-20 19:55:34,052 INFO L290 TraceCheckUtils]: 4: Hoare triple {160870#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {160870#true} is VALID [2022-02-20 19:55:34,052 INFO L290 TraceCheckUtils]: 5: Hoare triple {160870#true} assume !(0 != ~tmp~0#1); {160870#true} is VALID [2022-02-20 19:55:34,052 INFO L290 TraceCheckUtils]: 6: Hoare triple {160870#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {160870#true} is VALID [2022-02-20 19:55:34,052 INFO L290 TraceCheckUtils]: 7: Hoare triple {160870#true} assume !(1 == ~c_dr_pc~0); {160870#true} is VALID [2022-02-20 19:55:34,053 INFO L290 TraceCheckUtils]: 8: Hoare triple {160870#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {160925#(and (<= 0 |immediate_notify_threads_is_do_read_c_triggered_~__retres1~1#1|) (<= |immediate_notify_threads_is_do_read_c_triggered_~__retres1~1#1| 0))} is VALID [2022-02-20 19:55:34,053 INFO L290 TraceCheckUtils]: 9: Hoare triple {160925#(and (<= 0 |immediate_notify_threads_is_do_read_c_triggered_~__retres1~1#1|) (<= |immediate_notify_threads_is_do_read_c_triggered_~__retres1~1#1| 0))} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {160926#(and (<= |immediate_notify_threads_is_do_read_c_triggered_#res#1| 0) (<= 0 |immediate_notify_threads_is_do_read_c_triggered_#res#1|))} is VALID [2022-02-20 19:55:34,054 INFO L290 TraceCheckUtils]: 10: Hoare triple {160926#(and (<= |immediate_notify_threads_is_do_read_c_triggered_#res#1| 0) (<= 0 |immediate_notify_threads_is_do_read_c_triggered_#res#1|))} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {160927#(and (<= |immediate_notify_threads_~tmp___0~0#1| 0) (< 0 (+ |immediate_notify_threads_~tmp___0~0#1| 1)))} is VALID [2022-02-20 19:55:34,054 INFO L290 TraceCheckUtils]: 11: Hoare triple {160927#(and (<= |immediate_notify_threads_~tmp___0~0#1| 0) (< 0 (+ |immediate_notify_threads_~tmp___0~0#1| 1)))} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {160871#false} is VALID [2022-02-20 19:55:34,054 INFO L290 TraceCheckUtils]: 12: Hoare triple {160871#false} assume true; {160871#false} is VALID [2022-02-20 19:55:34,054 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {160871#false} {160870#true} #733#return; {160871#false} is VALID [2022-02-20 19:55:34,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-02-20 19:55:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:34,057 INFO L290 TraceCheckUtils]: 0: Hoare triple {160870#true} havoc ~__retres1~2; {160870#true} is VALID [2022-02-20 19:55:34,057 INFO L290 TraceCheckUtils]: 1: Hoare triple {160870#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {160870#true} is VALID [2022-02-20 19:55:34,057 INFO L290 TraceCheckUtils]: 2: Hoare triple {160870#true} #res := ~__retres1~2; {160870#true} is VALID [2022-02-20 19:55:34,057 INFO L290 TraceCheckUtils]: 3: Hoare triple {160870#true} assume true; {160870#true} is VALID [2022-02-20 19:55:34,058 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {160870#true} {160871#false} #731#return; {160871#false} is VALID [2022-02-20 19:55:34,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-02-20 19:55:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:34,062 INFO L290 TraceCheckUtils]: 0: Hoare triple {160924#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {160870#true} is VALID [2022-02-20 19:55:34,062 INFO L290 TraceCheckUtils]: 1: Hoare triple {160870#true} assume 1 == ~p_dw_pc~0; {160870#true} is VALID [2022-02-20 19:55:34,062 INFO L290 TraceCheckUtils]: 2: Hoare triple {160870#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {160870#true} is VALID [2022-02-20 19:55:34,062 INFO L290 TraceCheckUtils]: 3: Hoare triple {160870#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {160870#true} is VALID [2022-02-20 19:55:34,062 INFO L290 TraceCheckUtils]: 4: Hoare triple {160870#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {160870#true} is VALID [2022-02-20 19:55:34,062 INFO L290 TraceCheckUtils]: 5: Hoare triple {160870#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {160870#true} is VALID [2022-02-20 19:55:34,062 INFO L290 TraceCheckUtils]: 6: Hoare triple {160870#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {160870#true} is VALID [2022-02-20 19:55:34,062 INFO L290 TraceCheckUtils]: 7: Hoare triple {160870#true} assume !(1 == ~c_dr_pc~0); {160870#true} is VALID [2022-02-20 19:55:34,063 INFO L290 TraceCheckUtils]: 8: Hoare triple {160870#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {160870#true} is VALID [2022-02-20 19:55:34,063 INFO L290 TraceCheckUtils]: 9: Hoare triple {160870#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {160870#true} is VALID [2022-02-20 19:55:34,063 INFO L290 TraceCheckUtils]: 10: Hoare triple {160870#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {160870#true} is VALID [2022-02-20 19:55:34,063 INFO L290 TraceCheckUtils]: 11: Hoare triple {160870#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {160870#true} is VALID [2022-02-20 19:55:34,063 INFO L290 TraceCheckUtils]: 12: Hoare triple {160870#true} assume true; {160870#true} is VALID [2022-02-20 19:55:34,063 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {160870#true} {160871#false} #733#return; {160871#false} is VALID [2022-02-20 19:55:34,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-02-20 19:55:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:34,067 INFO L290 TraceCheckUtils]: 0: Hoare triple {160924#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {160870#true} is VALID [2022-02-20 19:55:34,067 INFO L290 TraceCheckUtils]: 1: Hoare triple {160870#true} assume 1 == ~p_dw_pc~0; {160870#true} is VALID [2022-02-20 19:55:34,067 INFO L290 TraceCheckUtils]: 2: Hoare triple {160870#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {160870#true} is VALID [2022-02-20 19:55:34,068 INFO L290 TraceCheckUtils]: 3: Hoare triple {160870#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {160870#true} is VALID [2022-02-20 19:55:34,068 INFO L290 TraceCheckUtils]: 4: Hoare triple {160870#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {160870#true} is VALID [2022-02-20 19:55:34,068 INFO L290 TraceCheckUtils]: 5: Hoare triple {160870#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {160870#true} is VALID [2022-02-20 19:55:34,068 INFO L290 TraceCheckUtils]: 6: Hoare triple {160870#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {160870#true} is VALID [2022-02-20 19:55:34,068 INFO L290 TraceCheckUtils]: 7: Hoare triple {160870#true} assume !(1 == ~c_dr_pc~0); {160870#true} is VALID [2022-02-20 19:55:34,068 INFO L290 TraceCheckUtils]: 8: Hoare triple {160870#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {160870#true} is VALID [2022-02-20 19:55:34,068 INFO L290 TraceCheckUtils]: 9: Hoare triple {160870#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {160870#true} is VALID [2022-02-20 19:55:34,068 INFO L290 TraceCheckUtils]: 10: Hoare triple {160870#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {160870#true} is VALID [2022-02-20 19:55:34,068 INFO L290 TraceCheckUtils]: 11: Hoare triple {160870#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {160870#true} is VALID [2022-02-20 19:55:34,068 INFO L290 TraceCheckUtils]: 12: Hoare triple {160870#true} assume true; {160870#true} is VALID [2022-02-20 19:55:34,069 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {160870#true} {160871#false} #735#return; {160871#false} is VALID [2022-02-20 19:55:34,069 INFO L290 TraceCheckUtils]: 0: Hoare triple {160870#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~token~0 := 0;~local~0 := 0; {160870#true} is VALID [2022-02-20 19:55:34,069 INFO L290 TraceCheckUtils]: 1: Hoare triple {160870#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1;assume -2147483648 <= main_#t~nondet29#1 && main_#t~nondet29#1 <= 2147483647; {160870#true} is VALID [2022-02-20 19:55:34,069 INFO L290 TraceCheckUtils]: 2: Hoare triple {160870#true} assume 0 != main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_main1 } true;havoc main1_#res#1;havoc main1_~__retres1~3#1;havoc main1_~__retres1~3#1;assume { :begin_inline_init_model1 } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {160870#true} is VALID [2022-02-20 19:55:34,069 INFO L290 TraceCheckUtils]: 3: Hoare triple {160870#true} assume { :end_inline_init_model1 } true;assume { :begin_inline_start_simulation1 } true;havoc start_simulation1_#t~ret12#1, start_simulation1_~kernel_st~0#1, start_simulation1_~tmp~3#1;havoc start_simulation1_~kernel_st~0#1;havoc start_simulation1_~tmp~3#1;start_simulation1_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads1 } true; {160870#true} is VALID [2022-02-20 19:55:34,069 INFO L290 TraceCheckUtils]: 4: Hoare triple {160870#true} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {160870#true} is VALID [2022-02-20 19:55:34,069 INFO L290 TraceCheckUtils]: 5: Hoare triple {160870#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {160870#true} is VALID [2022-02-20 19:55:34,069 INFO L290 TraceCheckUtils]: 6: Hoare triple {160870#true} assume { :end_inline_init_threads1 } true; {160870#true} is VALID [2022-02-20 19:55:34,069 INFO L290 TraceCheckUtils]: 7: Hoare triple {160870#true} assume !false; {160870#true} is VALID [2022-02-20 19:55:34,070 INFO L290 TraceCheckUtils]: 8: Hoare triple {160870#true} start_simulation1_~kernel_st~0#1 := 1;assume { :begin_inline_eval1 } true;havoc eval1_#t~ret8#1, eval1_#t~nondet9#1, eval1_#t~nondet10#1, eval1_~tmp~1#1, eval1_~tmp___0~1#1, eval1_~tmp___1~0#1;havoc eval1_~tmp~1#1;havoc eval1_~tmp___0~1#1;havoc eval1_~tmp___1~0#1; {160870#true} is VALID [2022-02-20 19:55:34,070 INFO L290 TraceCheckUtils]: 9: Hoare triple {160870#true} assume !false; {160870#true} is VALID [2022-02-20 19:55:34,070 INFO L272 TraceCheckUtils]: 10: Hoare triple {160870#true} call eval1_#t~ret8#1 := exists_runnable_thread1(); {160870#true} is VALID [2022-02-20 19:55:34,070 INFO L290 TraceCheckUtils]: 11: Hoare triple {160870#true} havoc ~__retres1~2; {160870#true} is VALID [2022-02-20 19:55:34,070 INFO L290 TraceCheckUtils]: 12: Hoare triple {160870#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {160870#true} is VALID [2022-02-20 19:55:34,070 INFO L290 TraceCheckUtils]: 13: Hoare triple {160870#true} #res := ~__retres1~2; {160870#true} is VALID [2022-02-20 19:55:34,070 INFO L290 TraceCheckUtils]: 14: Hoare triple {160870#true} assume true; {160870#true} is VALID [2022-02-20 19:55:34,070 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {160870#true} {160870#true} #731#return; {160870#true} is VALID [2022-02-20 19:55:34,070 INFO L290 TraceCheckUtils]: 16: Hoare triple {160870#true} assume -2147483648 <= eval1_#t~ret8#1 && eval1_#t~ret8#1 <= 2147483647;eval1_~tmp___1~0#1 := eval1_#t~ret8#1;havoc eval1_#t~ret8#1; {160870#true} is VALID [2022-02-20 19:55:34,070 INFO L290 TraceCheckUtils]: 17: Hoare triple {160870#true} assume 0 != eval1_~tmp___1~0#1; {160870#true} is VALID [2022-02-20 19:55:34,071 INFO L290 TraceCheckUtils]: 18: Hoare triple {160870#true} assume 0 == ~p_dw_st~0;assume -2147483648 <= eval1_#t~nondet9#1 && eval1_#t~nondet9#1 <= 2147483647;eval1_~tmp~1#1 := eval1_#t~nondet9#1;havoc eval1_#t~nondet9#1; {160870#true} is VALID [2022-02-20 19:55:34,071 INFO L290 TraceCheckUtils]: 19: Hoare triple {160870#true} assume 0 != eval1_~tmp~1#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet7#1; {160870#true} is VALID [2022-02-20 19:55:34,071 INFO L290 TraceCheckUtils]: 20: Hoare triple {160870#true} assume 0 == ~p_dw_pc~0; {160870#true} is VALID [2022-02-20 19:55:34,071 INFO L290 TraceCheckUtils]: 21: Hoare triple {160870#true} assume !false; {160870#true} is VALID [2022-02-20 19:55:34,071 INFO L290 TraceCheckUtils]: 22: Hoare triple {160870#true} assume !(0 == ~q_free~0); {160870#true} is VALID [2022-02-20 19:55:34,071 INFO L290 TraceCheckUtils]: 23: Hoare triple {160870#true} assume -2147483648 <= do_write_p_#t~nondet7#1 && do_write_p_#t~nondet7#1 <= 2147483647;~q_buf_0~0 := do_write_p_#t~nondet7#1;havoc do_write_p_#t~nondet7#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1; {160870#true} is VALID [2022-02-20 19:55:34,071 INFO L272 TraceCheckUtils]: 24: Hoare triple {160870#true} call immediate_notify_threads(); {160924#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:55:34,071 INFO L290 TraceCheckUtils]: 25: Hoare triple {160924#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {160870#true} is VALID [2022-02-20 19:55:34,072 INFO L290 TraceCheckUtils]: 26: Hoare triple {160870#true} assume !(1 == ~p_dw_pc~0); {160870#true} is VALID [2022-02-20 19:55:34,072 INFO L290 TraceCheckUtils]: 27: Hoare triple {160870#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {160870#true} is VALID [2022-02-20 19:55:34,072 INFO L290 TraceCheckUtils]: 28: Hoare triple {160870#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {160870#true} is VALID [2022-02-20 19:55:34,072 INFO L290 TraceCheckUtils]: 29: Hoare triple {160870#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {160870#true} is VALID [2022-02-20 19:55:34,072 INFO L290 TraceCheckUtils]: 30: Hoare triple {160870#true} assume !(0 != ~tmp~0#1); {160870#true} is VALID [2022-02-20 19:55:34,072 INFO L290 TraceCheckUtils]: 31: Hoare triple {160870#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {160870#true} is VALID [2022-02-20 19:55:34,072 INFO L290 TraceCheckUtils]: 32: Hoare triple {160870#true} assume !(1 == ~c_dr_pc~0); {160870#true} is VALID [2022-02-20 19:55:34,072 INFO L290 TraceCheckUtils]: 33: Hoare triple {160870#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {160925#(and (<= 0 |immediate_notify_threads_is_do_read_c_triggered_~__retres1~1#1|) (<= |immediate_notify_threads_is_do_read_c_triggered_~__retres1~1#1| 0))} is VALID [2022-02-20 19:55:34,073 INFO L290 TraceCheckUtils]: 34: Hoare triple {160925#(and (<= 0 |immediate_notify_threads_is_do_read_c_triggered_~__retres1~1#1|) (<= |immediate_notify_threads_is_do_read_c_triggered_~__retres1~1#1| 0))} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {160926#(and (<= |immediate_notify_threads_is_do_read_c_triggered_#res#1| 0) (<= 0 |immediate_notify_threads_is_do_read_c_triggered_#res#1|))} is VALID [2022-02-20 19:55:34,073 INFO L290 TraceCheckUtils]: 35: Hoare triple {160926#(and (<= |immediate_notify_threads_is_do_read_c_triggered_#res#1| 0) (<= 0 |immediate_notify_threads_is_do_read_c_triggered_#res#1|))} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {160927#(and (<= |immediate_notify_threads_~tmp___0~0#1| 0) (< 0 (+ |immediate_notify_threads_~tmp___0~0#1| 1)))} is VALID [2022-02-20 19:55:34,074 INFO L290 TraceCheckUtils]: 36: Hoare triple {160927#(and (<= |immediate_notify_threads_~tmp___0~0#1| 0) (< 0 (+ |immediate_notify_threads_~tmp___0~0#1| 1)))} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {160871#false} is VALID [2022-02-20 19:55:34,074 INFO L290 TraceCheckUtils]: 37: Hoare triple {160871#false} assume true; {160871#false} is VALID [2022-02-20 19:55:34,074 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {160871#false} {160870#true} #733#return; {160871#false} is VALID [2022-02-20 19:55:34,074 INFO L290 TraceCheckUtils]: 39: Hoare triple {160871#false} ~q_write_ev~0 := 2; {160871#false} is VALID [2022-02-20 19:55:34,074 INFO L290 TraceCheckUtils]: 40: Hoare triple {160871#false} assume !false; {160871#false} is VALID [2022-02-20 19:55:34,074 INFO L290 TraceCheckUtils]: 41: Hoare triple {160871#false} assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; {160871#false} is VALID [2022-02-20 19:55:34,074 INFO L290 TraceCheckUtils]: 42: Hoare triple {160871#false} assume { :end_inline_do_write_p } true; {160871#false} is VALID [2022-02-20 19:55:34,074 INFO L290 TraceCheckUtils]: 43: Hoare triple {160871#false} assume !(0 == ~c_dr_st~0); {160871#false} is VALID [2022-02-20 19:55:34,074 INFO L290 TraceCheckUtils]: 44: Hoare triple {160871#false} assume !false; {160871#false} is VALID [2022-02-20 19:55:34,075 INFO L272 TraceCheckUtils]: 45: Hoare triple {160871#false} call eval1_#t~ret8#1 := exists_runnable_thread1(); {160870#true} is VALID [2022-02-20 19:55:34,075 INFO L290 TraceCheckUtils]: 46: Hoare triple {160870#true} havoc ~__retres1~2; {160870#true} is VALID [2022-02-20 19:55:34,075 INFO L290 TraceCheckUtils]: 47: Hoare triple {160870#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {160870#true} is VALID [2022-02-20 19:55:34,075 INFO L290 TraceCheckUtils]: 48: Hoare triple {160870#true} #res := ~__retres1~2; {160870#true} is VALID [2022-02-20 19:55:34,075 INFO L290 TraceCheckUtils]: 49: Hoare triple {160870#true} assume true; {160870#true} is VALID [2022-02-20 19:55:34,075 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {160870#true} {160871#false} #731#return; {160871#false} is VALID [2022-02-20 19:55:34,075 INFO L290 TraceCheckUtils]: 51: Hoare triple {160871#false} assume -2147483648 <= eval1_#t~ret8#1 && eval1_#t~ret8#1 <= 2147483647;eval1_~tmp___1~0#1 := eval1_#t~ret8#1;havoc eval1_#t~ret8#1; {160871#false} is VALID [2022-02-20 19:55:34,075 INFO L290 TraceCheckUtils]: 52: Hoare triple {160871#false} assume 0 != eval1_~tmp___1~0#1; {160871#false} is VALID [2022-02-20 19:55:34,075 INFO L290 TraceCheckUtils]: 53: Hoare triple {160871#false} assume 0 == ~p_dw_st~0;assume -2147483648 <= eval1_#t~nondet9#1 && eval1_#t~nondet9#1 <= 2147483647;eval1_~tmp~1#1 := eval1_#t~nondet9#1;havoc eval1_#t~nondet9#1; {160871#false} is VALID [2022-02-20 19:55:34,075 INFO L290 TraceCheckUtils]: 54: Hoare triple {160871#false} assume 0 != eval1_~tmp~1#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet7#1; {160871#false} is VALID [2022-02-20 19:55:34,075 INFO L290 TraceCheckUtils]: 55: Hoare triple {160871#false} assume !(0 == ~p_dw_pc~0); {160871#false} is VALID [2022-02-20 19:55:34,076 INFO L290 TraceCheckUtils]: 56: Hoare triple {160871#false} assume 1 == ~p_dw_pc~0; {160871#false} is VALID [2022-02-20 19:55:34,076 INFO L290 TraceCheckUtils]: 57: Hoare triple {160871#false} assume -2147483648 <= do_write_p_#t~nondet7#1 && do_write_p_#t~nondet7#1 <= 2147483647;~q_buf_0~0 := do_write_p_#t~nondet7#1;havoc do_write_p_#t~nondet7#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1; {160871#false} is VALID [2022-02-20 19:55:34,076 INFO L272 TraceCheckUtils]: 58: Hoare triple {160871#false} call immediate_notify_threads(); {160924#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:55:34,076 INFO L290 TraceCheckUtils]: 59: Hoare triple {160924#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {160870#true} is VALID [2022-02-20 19:55:34,076 INFO L290 TraceCheckUtils]: 60: Hoare triple {160870#true} assume 1 == ~p_dw_pc~0; {160870#true} is VALID [2022-02-20 19:55:34,076 INFO L290 TraceCheckUtils]: 61: Hoare triple {160870#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {160870#true} is VALID [2022-02-20 19:55:34,076 INFO L290 TraceCheckUtils]: 62: Hoare triple {160870#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {160870#true} is VALID [2022-02-20 19:55:34,076 INFO L290 TraceCheckUtils]: 63: Hoare triple {160870#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {160870#true} is VALID [2022-02-20 19:55:34,076 INFO L290 TraceCheckUtils]: 64: Hoare triple {160870#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {160870#true} is VALID [2022-02-20 19:55:34,076 INFO L290 TraceCheckUtils]: 65: Hoare triple {160870#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {160870#true} is VALID [2022-02-20 19:55:34,077 INFO L290 TraceCheckUtils]: 66: Hoare triple {160870#true} assume !(1 == ~c_dr_pc~0); {160870#true} is VALID [2022-02-20 19:55:34,077 INFO L290 TraceCheckUtils]: 67: Hoare triple {160870#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {160870#true} is VALID [2022-02-20 19:55:34,077 INFO L290 TraceCheckUtils]: 68: Hoare triple {160870#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {160870#true} is VALID [2022-02-20 19:55:34,077 INFO L290 TraceCheckUtils]: 69: Hoare triple {160870#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {160870#true} is VALID [2022-02-20 19:55:34,077 INFO L290 TraceCheckUtils]: 70: Hoare triple {160870#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {160870#true} is VALID [2022-02-20 19:55:34,077 INFO L290 TraceCheckUtils]: 71: Hoare triple {160870#true} assume true; {160870#true} is VALID [2022-02-20 19:55:34,077 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {160870#true} {160871#false} #733#return; {160871#false} is VALID [2022-02-20 19:55:34,077 INFO L290 TraceCheckUtils]: 73: Hoare triple {160871#false} ~q_write_ev~0 := 2; {160871#false} is VALID [2022-02-20 19:55:34,077 INFO L290 TraceCheckUtils]: 74: Hoare triple {160871#false} assume !false; {160871#false} is VALID [2022-02-20 19:55:34,077 INFO L290 TraceCheckUtils]: 75: Hoare triple {160871#false} assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; {160871#false} is VALID [2022-02-20 19:55:34,078 INFO L290 TraceCheckUtils]: 76: Hoare triple {160871#false} assume { :end_inline_do_write_p } true; {160871#false} is VALID [2022-02-20 19:55:34,078 INFO L290 TraceCheckUtils]: 77: Hoare triple {160871#false} assume 0 == ~c_dr_st~0;assume -2147483648 <= eval1_#t~nondet10#1 && eval1_#t~nondet10#1 <= 2147483647;eval1_~tmp___0~1#1 := eval1_#t~nondet10#1;havoc eval1_#t~nondet10#1; {160871#false} is VALID [2022-02-20 19:55:34,078 INFO L290 TraceCheckUtils]: 78: Hoare triple {160871#false} assume 0 != eval1_~tmp___0~1#1;~c_dr_st~0 := 1;assume { :begin_inline_do_read_c } true;havoc do_read_c_~a~0#1;havoc do_read_c_~a~0#1; {160871#false} is VALID [2022-02-20 19:55:34,078 INFO L290 TraceCheckUtils]: 79: Hoare triple {160871#false} assume 0 == ~c_dr_pc~0; {160871#false} is VALID [2022-02-20 19:55:34,078 INFO L290 TraceCheckUtils]: 80: Hoare triple {160871#false} assume !false; {160871#false} is VALID [2022-02-20 19:55:34,078 INFO L290 TraceCheckUtils]: 81: Hoare triple {160871#false} assume !(1 == ~q_free~0); {160871#false} is VALID [2022-02-20 19:55:34,078 INFO L290 TraceCheckUtils]: 82: Hoare triple {160871#false} do_read_c_~a~0#1 := ~q_buf_0~0;~c_last_read~0 := do_read_c_~a~0#1;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_read_ev~0 := 1; {160871#false} is VALID [2022-02-20 19:55:34,078 INFO L272 TraceCheckUtils]: 83: Hoare triple {160871#false} call immediate_notify_threads(); {160924#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:55:34,078 INFO L290 TraceCheckUtils]: 84: Hoare triple {160924#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {160870#true} is VALID [2022-02-20 19:55:34,078 INFO L290 TraceCheckUtils]: 85: Hoare triple {160870#true} assume 1 == ~p_dw_pc~0; {160870#true} is VALID [2022-02-20 19:55:34,079 INFO L290 TraceCheckUtils]: 86: Hoare triple {160870#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {160870#true} is VALID [2022-02-20 19:55:34,079 INFO L290 TraceCheckUtils]: 87: Hoare triple {160870#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {160870#true} is VALID [2022-02-20 19:55:34,079 INFO L290 TraceCheckUtils]: 88: Hoare triple {160870#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {160870#true} is VALID [2022-02-20 19:55:34,079 INFO L290 TraceCheckUtils]: 89: Hoare triple {160870#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {160870#true} is VALID [2022-02-20 19:55:34,079 INFO L290 TraceCheckUtils]: 90: Hoare triple {160870#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {160870#true} is VALID [2022-02-20 19:55:34,079 INFO L290 TraceCheckUtils]: 91: Hoare triple {160870#true} assume !(1 == ~c_dr_pc~0); {160870#true} is VALID [2022-02-20 19:55:34,079 INFO L290 TraceCheckUtils]: 92: Hoare triple {160870#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {160870#true} is VALID [2022-02-20 19:55:34,079 INFO L290 TraceCheckUtils]: 93: Hoare triple {160870#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {160870#true} is VALID [2022-02-20 19:55:34,079 INFO L290 TraceCheckUtils]: 94: Hoare triple {160870#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {160870#true} is VALID [2022-02-20 19:55:34,079 INFO L290 TraceCheckUtils]: 95: Hoare triple {160870#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {160870#true} is VALID [2022-02-20 19:55:34,080 INFO L290 TraceCheckUtils]: 96: Hoare triple {160870#true} assume true; {160870#true} is VALID [2022-02-20 19:55:34,080 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {160870#true} {160871#false} #735#return; {160871#false} is VALID [2022-02-20 19:55:34,080 INFO L290 TraceCheckUtils]: 98: Hoare triple {160871#false} ~q_read_ev~0 := 2; {160871#false} is VALID [2022-02-20 19:55:34,080 INFO L290 TraceCheckUtils]: 99: Hoare triple {160871#false} assume ~p_last_write~0 == ~c_last_read~0; {160871#false} is VALID [2022-02-20 19:55:34,080 INFO L290 TraceCheckUtils]: 100: Hoare triple {160871#false} assume !(~p_num_write~0 == ~c_num_read~0); {160871#false} is VALID [2022-02-20 19:55:34,080 INFO L272 TraceCheckUtils]: 101: Hoare triple {160871#false} call error1(); {160871#false} is VALID [2022-02-20 19:55:34,080 INFO L290 TraceCheckUtils]: 102: Hoare triple {160871#false} assume !false; {160871#false} is VALID [2022-02-20 19:55:34,080 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 13 proven. 10 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-02-20 19:55:34,081 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:55:34,081 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44829815] [2022-02-20 19:55:34,081 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44829815] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 19:55:34,081 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451774481] [2022-02-20 19:55:34,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:55:34,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 19:55:34,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 19:55:34,082 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 19:55:34,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-20 19:55:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:34,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 2 conjunts are in the unsatisfiable core [2022-02-20 19:55:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:34,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 19:55:34,381 INFO L290 TraceCheckUtils]: 0: Hoare triple {160870#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~token~0 := 0;~local~0 := 0; {160870#true} is VALID [2022-02-20 19:55:34,381 INFO L290 TraceCheckUtils]: 1: Hoare triple {160870#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1;assume -2147483648 <= main_#t~nondet29#1 && main_#t~nondet29#1 <= 2147483647; {160870#true} is VALID [2022-02-20 19:55:34,381 INFO L290 TraceCheckUtils]: 2: Hoare triple {160870#true} assume 0 != main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_main1 } true;havoc main1_#res#1;havoc main1_~__retres1~3#1;havoc main1_~__retres1~3#1;assume { :begin_inline_init_model1 } true;~q_free~0 := 1;~q_write_ev~0 := 2;~q_read_ev~0 := ~q_write_ev~0;~p_num_write~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 1;~c_num_read~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 1; {160870#true} is VALID [2022-02-20 19:55:34,382 INFO L290 TraceCheckUtils]: 3: Hoare triple {160870#true} assume { :end_inline_init_model1 } true;assume { :begin_inline_start_simulation1 } true;havoc start_simulation1_#t~ret12#1, start_simulation1_~kernel_st~0#1, start_simulation1_~tmp~3#1;havoc start_simulation1_~kernel_st~0#1;havoc start_simulation1_~tmp~3#1;start_simulation1_~kernel_st~0#1 := 0;assume { :begin_inline_init_threads1 } true; {160870#true} is VALID [2022-02-20 19:55:34,382 INFO L290 TraceCheckUtils]: 4: Hoare triple {160870#true} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {160870#true} is VALID [2022-02-20 19:55:34,382 INFO L290 TraceCheckUtils]: 5: Hoare triple {160870#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {160870#true} is VALID [2022-02-20 19:55:34,382 INFO L290 TraceCheckUtils]: 6: Hoare triple {160870#true} assume { :end_inline_init_threads1 } true; {160870#true} is VALID [2022-02-20 19:55:34,382 INFO L290 TraceCheckUtils]: 7: Hoare triple {160870#true} assume !false; {160870#true} is VALID [2022-02-20 19:55:34,382 INFO L290 TraceCheckUtils]: 8: Hoare triple {160870#true} start_simulation1_~kernel_st~0#1 := 1;assume { :begin_inline_eval1 } true;havoc eval1_#t~ret8#1, eval1_#t~nondet9#1, eval1_#t~nondet10#1, eval1_~tmp~1#1, eval1_~tmp___0~1#1, eval1_~tmp___1~0#1;havoc eval1_~tmp~1#1;havoc eval1_~tmp___0~1#1;havoc eval1_~tmp___1~0#1; {160870#true} is VALID [2022-02-20 19:55:34,382 INFO L290 TraceCheckUtils]: 9: Hoare triple {160870#true} assume !false; {160870#true} is VALID [2022-02-20 19:55:34,382 INFO L272 TraceCheckUtils]: 10: Hoare triple {160870#true} call eval1_#t~ret8#1 := exists_runnable_thread1(); {160870#true} is VALID [2022-02-20 19:55:34,382 INFO L290 TraceCheckUtils]: 11: Hoare triple {160870#true} havoc ~__retres1~2; {160870#true} is VALID [2022-02-20 19:55:34,383 INFO L290 TraceCheckUtils]: 12: Hoare triple {160870#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {160870#true} is VALID [2022-02-20 19:55:34,383 INFO L290 TraceCheckUtils]: 13: Hoare triple {160870#true} #res := ~__retres1~2; {160870#true} is VALID [2022-02-20 19:55:34,383 INFO L290 TraceCheckUtils]: 14: Hoare triple {160870#true} assume true; {160870#true} is VALID [2022-02-20 19:55:34,383 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {160870#true} {160870#true} #731#return; {160870#true} is VALID [2022-02-20 19:55:34,383 INFO L290 TraceCheckUtils]: 16: Hoare triple {160870#true} assume -2147483648 <= eval1_#t~ret8#1 && eval1_#t~ret8#1 <= 2147483647;eval1_~tmp___1~0#1 := eval1_#t~ret8#1;havoc eval1_#t~ret8#1; {160870#true} is VALID [2022-02-20 19:55:34,383 INFO L290 TraceCheckUtils]: 17: Hoare triple {160870#true} assume 0 != eval1_~tmp___1~0#1; {160870#true} is VALID [2022-02-20 19:55:34,383 INFO L290 TraceCheckUtils]: 18: Hoare triple {160870#true} assume 0 == ~p_dw_st~0;assume -2147483648 <= eval1_#t~nondet9#1 && eval1_#t~nondet9#1 <= 2147483647;eval1_~tmp~1#1 := eval1_#t~nondet9#1;havoc eval1_#t~nondet9#1; {160870#true} is VALID [2022-02-20 19:55:34,383 INFO L290 TraceCheckUtils]: 19: Hoare triple {160870#true} assume 0 != eval1_~tmp~1#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet7#1; {160870#true} is VALID [2022-02-20 19:55:34,383 INFO L290 TraceCheckUtils]: 20: Hoare triple {160870#true} assume 0 == ~p_dw_pc~0; {160870#true} is VALID [2022-02-20 19:55:34,383 INFO L290 TraceCheckUtils]: 21: Hoare triple {160870#true} assume !false; {160870#true} is VALID [2022-02-20 19:55:34,384 INFO L290 TraceCheckUtils]: 22: Hoare triple {160870#true} assume !(0 == ~q_free~0); {160870#true} is VALID [2022-02-20 19:55:34,384 INFO L290 TraceCheckUtils]: 23: Hoare triple {160870#true} assume -2147483648 <= do_write_p_#t~nondet7#1 && do_write_p_#t~nondet7#1 <= 2147483647;~q_buf_0~0 := do_write_p_#t~nondet7#1;havoc do_write_p_#t~nondet7#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1; {160870#true} is VALID [2022-02-20 19:55:34,384 INFO L272 TraceCheckUtils]: 24: Hoare triple {160870#true} call immediate_notify_threads(); {160870#true} is VALID [2022-02-20 19:55:34,384 INFO L290 TraceCheckUtils]: 25: Hoare triple {160870#true} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {160870#true} is VALID [2022-02-20 19:55:34,384 INFO L290 TraceCheckUtils]: 26: Hoare triple {160870#true} assume !(1 == ~p_dw_pc~0); {160870#true} is VALID [2022-02-20 19:55:34,384 INFO L290 TraceCheckUtils]: 27: Hoare triple {160870#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {160870#true} is VALID [2022-02-20 19:55:34,384 INFO L290 TraceCheckUtils]: 28: Hoare triple {160870#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {160870#true} is VALID [2022-02-20 19:55:34,384 INFO L290 TraceCheckUtils]: 29: Hoare triple {160870#true} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {160870#true} is VALID [2022-02-20 19:55:34,384 INFO L290 TraceCheckUtils]: 30: Hoare triple {160870#true} assume !(0 != ~tmp~0#1); {160870#true} is VALID [2022-02-20 19:55:34,385 INFO L290 TraceCheckUtils]: 31: Hoare triple {160870#true} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {160870#true} is VALID [2022-02-20 19:55:34,385 INFO L290 TraceCheckUtils]: 32: Hoare triple {160870#true} assume !(1 == ~c_dr_pc~0); {160870#true} is VALID [2022-02-20 19:55:34,385 INFO L290 TraceCheckUtils]: 33: Hoare triple {160870#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {160870#true} is VALID [2022-02-20 19:55:34,385 INFO L290 TraceCheckUtils]: 34: Hoare triple {160870#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {160870#true} is VALID [2022-02-20 19:55:34,385 INFO L290 TraceCheckUtils]: 35: Hoare triple {160870#true} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {160870#true} is VALID [2022-02-20 19:55:34,385 INFO L290 TraceCheckUtils]: 36: Hoare triple {160870#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {160870#true} is VALID [2022-02-20 19:55:34,385 INFO L290 TraceCheckUtils]: 37: Hoare triple {160870#true} assume true; {160870#true} is VALID [2022-02-20 19:55:34,385 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {160870#true} {160870#true} #733#return; {160870#true} is VALID [2022-02-20 19:55:34,385 INFO L290 TraceCheckUtils]: 39: Hoare triple {160870#true} ~q_write_ev~0 := 2; {160870#true} is VALID [2022-02-20 19:55:34,385 INFO L290 TraceCheckUtils]: 40: Hoare triple {160870#true} assume !false; {160870#true} is VALID [2022-02-20 19:55:34,386 INFO L290 TraceCheckUtils]: 41: Hoare triple {160870#true} assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; {161054#(<= 2 ~p_dw_st~0)} is VALID [2022-02-20 19:55:34,386 INFO L290 TraceCheckUtils]: 42: Hoare triple {161054#(<= 2 ~p_dw_st~0)} assume { :end_inline_do_write_p } true; {161054#(<= 2 ~p_dw_st~0)} is VALID [2022-02-20 19:55:34,386 INFO L290 TraceCheckUtils]: 43: Hoare triple {161054#(<= 2 ~p_dw_st~0)} assume !(0 == ~c_dr_st~0); {161054#(<= 2 ~p_dw_st~0)} is VALID [2022-02-20 19:55:34,387 INFO L290 TraceCheckUtils]: 44: Hoare triple {161054#(<= 2 ~p_dw_st~0)} assume !false; {161054#(<= 2 ~p_dw_st~0)} is VALID [2022-02-20 19:55:34,387 INFO L272 TraceCheckUtils]: 45: Hoare triple {161054#(<= 2 ~p_dw_st~0)} call eval1_#t~ret8#1 := exists_runnable_thread1(); {161054#(<= 2 ~p_dw_st~0)} is VALID [2022-02-20 19:55:34,387 INFO L290 TraceCheckUtils]: 46: Hoare triple {161054#(<= 2 ~p_dw_st~0)} havoc ~__retres1~2; {161054#(<= 2 ~p_dw_st~0)} is VALID [2022-02-20 19:55:34,388 INFO L290 TraceCheckUtils]: 47: Hoare triple {161054#(<= 2 ~p_dw_st~0)} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {160871#false} is VALID [2022-02-20 19:55:34,388 INFO L290 TraceCheckUtils]: 48: Hoare triple {160871#false} #res := ~__retres1~2; {160871#false} is VALID [2022-02-20 19:55:34,388 INFO L290 TraceCheckUtils]: 49: Hoare triple {160871#false} assume true; {160871#false} is VALID [2022-02-20 19:55:34,388 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {160871#false} {161054#(<= 2 ~p_dw_st~0)} #731#return; {160871#false} is VALID [2022-02-20 19:55:34,388 INFO L290 TraceCheckUtils]: 51: Hoare triple {160871#false} assume -2147483648 <= eval1_#t~ret8#1 && eval1_#t~ret8#1 <= 2147483647;eval1_~tmp___1~0#1 := eval1_#t~ret8#1;havoc eval1_#t~ret8#1; {160871#false} is VALID [2022-02-20 19:55:34,388 INFO L290 TraceCheckUtils]: 52: Hoare triple {160871#false} assume 0 != eval1_~tmp___1~0#1; {160871#false} is VALID [2022-02-20 19:55:34,388 INFO L290 TraceCheckUtils]: 53: Hoare triple {160871#false} assume 0 == ~p_dw_st~0;assume -2147483648 <= eval1_#t~nondet9#1 && eval1_#t~nondet9#1 <= 2147483647;eval1_~tmp~1#1 := eval1_#t~nondet9#1;havoc eval1_#t~nondet9#1; {160871#false} is VALID [2022-02-20 19:55:34,389 INFO L290 TraceCheckUtils]: 54: Hoare triple {160871#false} assume 0 != eval1_~tmp~1#1;~p_dw_st~0 := 1;assume { :begin_inline_do_write_p } true;havoc do_write_p_#t~nondet7#1; {160871#false} is VALID [2022-02-20 19:55:34,389 INFO L290 TraceCheckUtils]: 55: Hoare triple {160871#false} assume !(0 == ~p_dw_pc~0); {160871#false} is VALID [2022-02-20 19:55:34,389 INFO L290 TraceCheckUtils]: 56: Hoare triple {160871#false} assume 1 == ~p_dw_pc~0; {160871#false} is VALID [2022-02-20 19:55:34,389 INFO L290 TraceCheckUtils]: 57: Hoare triple {160871#false} assume -2147483648 <= do_write_p_#t~nondet7#1 && do_write_p_#t~nondet7#1 <= 2147483647;~q_buf_0~0 := do_write_p_#t~nondet7#1;havoc do_write_p_#t~nondet7#1;~p_last_write~0 := ~q_buf_0~0;~p_num_write~0 := 1 + ~p_num_write~0;~q_free~0 := 0;~q_write_ev~0 := 1; {160871#false} is VALID [2022-02-20 19:55:34,389 INFO L272 TraceCheckUtils]: 58: Hoare triple {160871#false} call immediate_notify_threads(); {160871#false} is VALID [2022-02-20 19:55:34,389 INFO L290 TraceCheckUtils]: 59: Hoare triple {160871#false} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {160871#false} is VALID [2022-02-20 19:55:34,389 INFO L290 TraceCheckUtils]: 60: Hoare triple {160871#false} assume 1 == ~p_dw_pc~0; {160871#false} is VALID [2022-02-20 19:55:34,389 INFO L290 TraceCheckUtils]: 61: Hoare triple {160871#false} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {160871#false} is VALID [2022-02-20 19:55:34,389 INFO L290 TraceCheckUtils]: 62: Hoare triple {160871#false} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {160871#false} is VALID [2022-02-20 19:55:34,390 INFO L290 TraceCheckUtils]: 63: Hoare triple {160871#false} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {160871#false} is VALID [2022-02-20 19:55:34,390 INFO L290 TraceCheckUtils]: 64: Hoare triple {160871#false} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {160871#false} is VALID [2022-02-20 19:55:34,390 INFO L290 TraceCheckUtils]: 65: Hoare triple {160871#false} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {160871#false} is VALID [2022-02-20 19:55:34,390 INFO L290 TraceCheckUtils]: 66: Hoare triple {160871#false} assume !(1 == ~c_dr_pc~0); {160871#false} is VALID [2022-02-20 19:55:34,390 INFO L290 TraceCheckUtils]: 67: Hoare triple {160871#false} is_do_read_c_triggered_~__retres1~1#1 := 0; {160871#false} is VALID [2022-02-20 19:55:34,390 INFO L290 TraceCheckUtils]: 68: Hoare triple {160871#false} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {160871#false} is VALID [2022-02-20 19:55:34,390 INFO L290 TraceCheckUtils]: 69: Hoare triple {160871#false} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {160871#false} is VALID [2022-02-20 19:55:34,390 INFO L290 TraceCheckUtils]: 70: Hoare triple {160871#false} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {160871#false} is VALID [2022-02-20 19:55:34,390 INFO L290 TraceCheckUtils]: 71: Hoare triple {160871#false} assume true; {160871#false} is VALID [2022-02-20 19:55:34,390 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {160871#false} {160871#false} #733#return; {160871#false} is VALID [2022-02-20 19:55:34,391 INFO L290 TraceCheckUtils]: 73: Hoare triple {160871#false} ~q_write_ev~0 := 2; {160871#false} is VALID [2022-02-20 19:55:34,391 INFO L290 TraceCheckUtils]: 74: Hoare triple {160871#false} assume !false; {160871#false} is VALID [2022-02-20 19:55:34,391 INFO L290 TraceCheckUtils]: 75: Hoare triple {160871#false} assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; {160871#false} is VALID [2022-02-20 19:55:34,391 INFO L290 TraceCheckUtils]: 76: Hoare triple {160871#false} assume { :end_inline_do_write_p } true; {160871#false} is VALID [2022-02-20 19:55:34,391 INFO L290 TraceCheckUtils]: 77: Hoare triple {160871#false} assume 0 == ~c_dr_st~0;assume -2147483648 <= eval1_#t~nondet10#1 && eval1_#t~nondet10#1 <= 2147483647;eval1_~tmp___0~1#1 := eval1_#t~nondet10#1;havoc eval1_#t~nondet10#1; {160871#false} is VALID [2022-02-20 19:55:34,391 INFO L290 TraceCheckUtils]: 78: Hoare triple {160871#false} assume 0 != eval1_~tmp___0~1#1;~c_dr_st~0 := 1;assume { :begin_inline_do_read_c } true;havoc do_read_c_~a~0#1;havoc do_read_c_~a~0#1; {160871#false} is VALID [2022-02-20 19:55:34,391 INFO L290 TraceCheckUtils]: 79: Hoare triple {160871#false} assume 0 == ~c_dr_pc~0; {160871#false} is VALID [2022-02-20 19:55:34,391 INFO L290 TraceCheckUtils]: 80: Hoare triple {160871#false} assume !false; {160871#false} is VALID [2022-02-20 19:55:34,391 INFO L290 TraceCheckUtils]: 81: Hoare triple {160871#false} assume !(1 == ~q_free~0); {160871#false} is VALID [2022-02-20 19:55:34,391 INFO L290 TraceCheckUtils]: 82: Hoare triple {160871#false} do_read_c_~a~0#1 := ~q_buf_0~0;~c_last_read~0 := do_read_c_~a~0#1;~c_num_read~0 := 1 + ~c_num_read~0;~q_free~0 := 1;~q_read_ev~0 := 1; {160871#false} is VALID [2022-02-20 19:55:34,392 INFO L272 TraceCheckUtils]: 83: Hoare triple {160871#false} call immediate_notify_threads(); {160871#false} is VALID [2022-02-20 19:55:34,392 INFO L290 TraceCheckUtils]: 84: Hoare triple {160871#false} havoc ~tmp~0#1;havoc ~tmp___0~0#1;assume { :begin_inline_is_do_write_p_triggered } true;havoc is_do_write_p_triggered_#res#1;havoc is_do_write_p_triggered_~__retres1~0#1;havoc is_do_write_p_triggered_~__retres1~0#1; {160871#false} is VALID [2022-02-20 19:55:34,392 INFO L290 TraceCheckUtils]: 85: Hoare triple {160871#false} assume 1 == ~p_dw_pc~0; {160871#false} is VALID [2022-02-20 19:55:34,392 INFO L290 TraceCheckUtils]: 86: Hoare triple {160871#false} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {160871#false} is VALID [2022-02-20 19:55:34,392 INFO L290 TraceCheckUtils]: 87: Hoare triple {160871#false} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {160871#false} is VALID [2022-02-20 19:55:34,392 INFO L290 TraceCheckUtils]: 88: Hoare triple {160871#false} #t~ret5#1 := is_do_write_p_triggered_#res#1;assume { :end_inline_is_do_write_p_triggered } true;assume -2147483648 <= #t~ret5#1 && #t~ret5#1 <= 2147483647;~tmp~0#1 := #t~ret5#1;havoc #t~ret5#1; {160871#false} is VALID [2022-02-20 19:55:34,392 INFO L290 TraceCheckUtils]: 89: Hoare triple {160871#false} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {160871#false} is VALID [2022-02-20 19:55:34,392 INFO L290 TraceCheckUtils]: 90: Hoare triple {160871#false} assume { :begin_inline_is_do_read_c_triggered } true;havoc is_do_read_c_triggered_#res#1;havoc is_do_read_c_triggered_~__retres1~1#1;havoc is_do_read_c_triggered_~__retres1~1#1; {160871#false} is VALID [2022-02-20 19:55:34,392 INFO L290 TraceCheckUtils]: 91: Hoare triple {160871#false} assume !(1 == ~c_dr_pc~0); {160871#false} is VALID [2022-02-20 19:55:34,393 INFO L290 TraceCheckUtils]: 92: Hoare triple {160871#false} is_do_read_c_triggered_~__retres1~1#1 := 0; {160871#false} is VALID [2022-02-20 19:55:34,393 INFO L290 TraceCheckUtils]: 93: Hoare triple {160871#false} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {160871#false} is VALID [2022-02-20 19:55:34,393 INFO L290 TraceCheckUtils]: 94: Hoare triple {160871#false} #t~ret6#1 := is_do_read_c_triggered_#res#1;assume { :end_inline_is_do_read_c_triggered } true;assume -2147483648 <= #t~ret6#1 && #t~ret6#1 <= 2147483647;~tmp___0~0#1 := #t~ret6#1;havoc #t~ret6#1; {160871#false} is VALID [2022-02-20 19:55:34,393 INFO L290 TraceCheckUtils]: 95: Hoare triple {160871#false} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {160871#false} is VALID [2022-02-20 19:55:34,393 INFO L290 TraceCheckUtils]: 96: Hoare triple {160871#false} assume true; {160871#false} is VALID [2022-02-20 19:55:34,393 INFO L284 TraceCheckUtils]: 97: Hoare quadruple {160871#false} {160871#false} #735#return; {160871#false} is VALID [2022-02-20 19:55:34,393 INFO L290 TraceCheckUtils]: 98: Hoare triple {160871#false} ~q_read_ev~0 := 2; {160871#false} is VALID [2022-02-20 19:55:34,393 INFO L290 TraceCheckUtils]: 99: Hoare triple {160871#false} assume ~p_last_write~0 == ~c_last_read~0; {160871#false} is VALID [2022-02-20 19:55:34,393 INFO L290 TraceCheckUtils]: 100: Hoare triple {160871#false} assume !(~p_num_write~0 == ~c_num_read~0); {160871#false} is VALID [2022-02-20 19:55:34,393 INFO L272 TraceCheckUtils]: 101: Hoare triple {160871#false} call error1(); {160871#false} is VALID [2022-02-20 19:55:34,394 INFO L290 TraceCheckUtils]: 102: Hoare triple {160871#false} assume !false; {160871#false} is VALID [2022-02-20 19:55:34,394 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-02-20 19:55:34,394 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 19:55:34,394 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451774481] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:55:34,394 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-20 19:55:34,394 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-02-20 19:55:34,394 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040093982] [2022-02-20 19:55:34,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:55:34,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 103 [2022-02-20 19:55:34,395 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:55:34,395 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-02-20 19:55:34,440 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 89 edges. 89 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:34,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 19:55:34,441 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:55:34,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 19:55:34,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-20 19:55:34,441 INFO L87 Difference]: Start difference. First operand 3745 states and 5217 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-02-20 19:55:35,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:35,552 INFO L93 Difference]: Finished difference Result 4122 states and 5678 transitions. [2022-02-20 19:55:35,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 19:55:35,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 103 [2022-02-20 19:55:35,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:55:35,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-02-20 19:55:35,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 424 transitions. [2022-02-20 19:55:35,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-02-20 19:55:35,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 424 transitions. [2022-02-20 19:55:35,556 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 424 transitions. [2022-02-20 19:55:35,764 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 424 edges. 424 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:36,086 INFO L225 Difference]: With dead ends: 4122 [2022-02-20 19:55:36,087 INFO L226 Difference]: Without dead ends: 2804 [2022-02-20 19:55:36,089 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-20 19:55:36,089 INFO L933 BasicCegarLoop]: 332 mSDtfsCounter, 61 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 19:55:36,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 595 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 19:55:36,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2804 states. [2022-02-20 19:55:36,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2804 to 2804. [2022-02-20 19:55:36,330 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:55:36,334 INFO L82 GeneralOperation]: Start isEquivalent. First operand 2804 states. Second operand has 2804 states, 2349 states have (on average 1.4355044699872286) internal successors, (3372), 2384 states have internal predecessors, (3372), 274 states have call successors, (274), 157 states have call predecessors, (274), 180 states have return successors, (397), 278 states have call predecessors, (397), 272 states have call successors, (397) [2022-02-20 19:55:36,336 INFO L74 IsIncluded]: Start isIncluded. First operand 2804 states. Second operand has 2804 states, 2349 states have (on average 1.4355044699872286) internal successors, (3372), 2384 states have internal predecessors, (3372), 274 states have call successors, (274), 157 states have call predecessors, (274), 180 states have return successors, (397), 278 states have call predecessors, (397), 272 states have call successors, (397) [2022-02-20 19:55:36,338 INFO L87 Difference]: Start difference. First operand 2804 states. Second operand has 2804 states, 2349 states have (on average 1.4355044699872286) internal successors, (3372), 2384 states have internal predecessors, (3372), 274 states have call successors, (274), 157 states have call predecessors, (274), 180 states have return successors, (397), 278 states have call predecessors, (397), 272 states have call successors, (397) [2022-02-20 19:55:36,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:36,530 INFO L93 Difference]: Finished difference Result 2804 states and 4043 transitions. [2022-02-20 19:55:36,530 INFO L276 IsEmpty]: Start isEmpty. Operand 2804 states and 4043 transitions. [2022-02-20 19:55:36,532 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:36,532 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:36,536 INFO L74 IsIncluded]: Start isIncluded. First operand has 2804 states, 2349 states have (on average 1.4355044699872286) internal successors, (3372), 2384 states have internal predecessors, (3372), 274 states have call successors, (274), 157 states have call predecessors, (274), 180 states have return successors, (397), 278 states have call predecessors, (397), 272 states have call successors, (397) Second operand 2804 states. [2022-02-20 19:55:36,537 INFO L87 Difference]: Start difference. First operand has 2804 states, 2349 states have (on average 1.4355044699872286) internal successors, (3372), 2384 states have internal predecessors, (3372), 274 states have call successors, (274), 157 states have call predecessors, (274), 180 states have return successors, (397), 278 states have call predecessors, (397), 272 states have call successors, (397) Second operand 2804 states. [2022-02-20 19:55:36,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:36,731 INFO L93 Difference]: Finished difference Result 2804 states and 4043 transitions. [2022-02-20 19:55:36,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2804 states and 4043 transitions. [2022-02-20 19:55:36,733 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:36,733 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:36,733 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:55:36,733 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:55:36,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2804 states, 2349 states have (on average 1.4355044699872286) internal successors, (3372), 2384 states have internal predecessors, (3372), 274 states have call successors, (274), 157 states have call predecessors, (274), 180 states have return successors, (397), 278 states have call predecessors, (397), 272 states have call successors, (397) [2022-02-20 19:55:37,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 2804 states and 4043 transitions. [2022-02-20 19:55:37,056 INFO L78 Accepts]: Start accepts. Automaton has 2804 states and 4043 transitions. Word has length 103 [2022-02-20 19:55:37,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:55:37,056 INFO L470 AbstractCegarLoop]: Abstraction has 2804 states and 4043 transitions. [2022-02-20 19:55:37,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-02-20 19:55:37,056 INFO L276 IsEmpty]: Start isEmpty. Operand 2804 states and 4043 transitions. [2022-02-20 19:55:37,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-02-20 19:55:37,059 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:55:37,059 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 19:55:37,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-20 19:55:37,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-02-20 19:55:37,273 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting error2Err0ASSERT_VIOLATIONERROR_FUNCTION === [error1Err0ASSERT_VIOLATIONERROR_FUNCTION, error2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:55:37,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:55:37,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1375832156, now seen corresponding path program 1 times [2022-02-20 19:55:37,274 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:55:37,274 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615552143] [2022-02-20 19:55:37,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:55:37,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:55:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:37,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-02-20 19:55:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:37,318 INFO L290 TraceCheckUtils]: 0: Hoare triple {176104#true} assume true; {176104#true} is VALID [2022-02-20 19:55:37,319 INFO L284 TraceCheckUtils]: 1: Hoare quadruple {176104#true} {176104#true} #743#return; {176104#true} is VALID [2022-02-20 19:55:37,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-02-20 19:55:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:37,326 INFO L290 TraceCheckUtils]: 0: Hoare triple {176177#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume !(0 == ~M_E~0); {176104#true} is VALID [2022-02-20 19:55:37,326 INFO L290 TraceCheckUtils]: 1: Hoare triple {176104#true} assume !(0 == ~T1_E~0); {176104#true} is VALID [2022-02-20 19:55:37,326 INFO L290 TraceCheckUtils]: 2: Hoare triple {176104#true} assume !(0 == ~T2_E~0); {176104#true} is VALID [2022-02-20 19:55:37,326 INFO L290 TraceCheckUtils]: 3: Hoare triple {176104#true} assume !(0 == ~E_M~0); {176104#true} is VALID [2022-02-20 19:55:37,327 INFO L290 TraceCheckUtils]: 4: Hoare triple {176104#true} assume !(0 == ~E_1~0); {176104#true} is VALID [2022-02-20 19:55:37,327 INFO L290 TraceCheckUtils]: 5: Hoare triple {176104#true} assume !(0 == ~E_2~0); {176104#true} is VALID [2022-02-20 19:55:37,327 INFO L290 TraceCheckUtils]: 6: Hoare triple {176104#true} assume true; {176104#true} is VALID [2022-02-20 19:55:37,327 INFO L284 TraceCheckUtils]: 7: Hoare quadruple {176104#true} {176104#true} #745#return; {176104#true} is VALID [2022-02-20 19:55:37,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-02-20 19:55:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:37,364 INFO L290 TraceCheckUtils]: 0: Hoare triple {176178#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~4#1;havoc is_master_triggered_~__retres1~4#1; {176104#true} is VALID [2022-02-20 19:55:37,364 INFO L290 TraceCheckUtils]: 1: Hoare triple {176104#true} assume !(1 == ~m_pc~0); {176104#true} is VALID [2022-02-20 19:55:37,364 INFO L290 TraceCheckUtils]: 2: Hoare triple {176104#true} is_master_triggered_~__retres1~4#1 := 0; {176179#(and (<= 0 |activate_threads2_is_master_triggered_~__retres1~4#1|) (<= |activate_threads2_is_master_triggered_~__retres1~4#1| 0))} is VALID [2022-02-20 19:55:37,365 INFO L290 TraceCheckUtils]: 3: Hoare triple {176179#(and (<= 0 |activate_threads2_is_master_triggered_~__retres1~4#1|) (<= |activate_threads2_is_master_triggered_~__retres1~4#1| 0))} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {176180#(and (<= |activate_threads2_is_master_triggered_#res#1| 0) (<= 0 |activate_threads2_is_master_triggered_#res#1|))} is VALID [2022-02-20 19:55:37,365 INFO L290 TraceCheckUtils]: 4: Hoare triple {176180#(and (<= |activate_threads2_is_master_triggered_#res#1| 0) (<= 0 |activate_threads2_is_master_triggered_#res#1|))} #t~ret23#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret23#1 && #t~ret23#1 <= 2147483647;~tmp~5#1 := #t~ret23#1;havoc #t~ret23#1; {176181#(and (<= |activate_threads2_~tmp~5#1| 0) (< 0 (+ |activate_threads2_~tmp~5#1| 1)))} is VALID [2022-02-20 19:55:37,365 INFO L290 TraceCheckUtils]: 5: Hoare triple {176181#(and (<= |activate_threads2_~tmp~5#1| 0) (< 0 (+ |activate_threads2_~tmp~5#1| 1)))} assume 0 != ~tmp~5#1;~m_st~0 := 0; {176105#false} is VALID [2022-02-20 19:55:37,366 INFO L290 TraceCheckUtils]: 6: Hoare triple {176105#false} assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~5#1;havoc is_transmit1_triggered_~__retres1~5#1; {176105#false} is VALID [2022-02-20 19:55:37,366 INFO L290 TraceCheckUtils]: 7: Hoare triple {176105#false} assume !(1 == ~t1_pc~0); {176105#false} is VALID [2022-02-20 19:55:37,366 INFO L290 TraceCheckUtils]: 8: Hoare triple {176105#false} is_transmit1_triggered_~__retres1~5#1 := 0; {176105#false} is VALID [2022-02-20 19:55:37,366 INFO L290 TraceCheckUtils]: 9: Hoare triple {176105#false} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {176105#false} is VALID [2022-02-20 19:55:37,366 INFO L290 TraceCheckUtils]: 10: Hoare triple {176105#false} #t~ret24#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp___0~2#1 := #t~ret24#1;havoc #t~ret24#1; {176105#false} is VALID [2022-02-20 19:55:37,366 INFO L290 TraceCheckUtils]: 11: Hoare triple {176105#false} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {176105#false} is VALID [2022-02-20 19:55:37,366 INFO L290 TraceCheckUtils]: 12: Hoare triple {176105#false} assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~6#1;havoc is_transmit2_triggered_~__retres1~6#1; {176105#false} is VALID [2022-02-20 19:55:37,366 INFO L290 TraceCheckUtils]: 13: Hoare triple {176105#false} assume 1 == ~t2_pc~0; {176105#false} is VALID [2022-02-20 19:55:37,366 INFO L290 TraceCheckUtils]: 14: Hoare triple {176105#false} assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~6#1 := 1; {176105#false} is VALID [2022-02-20 19:55:37,366 INFO L290 TraceCheckUtils]: 15: Hoare triple {176105#false} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {176105#false} is VALID [2022-02-20 19:55:37,366 INFO L290 TraceCheckUtils]: 16: Hoare triple {176105#false} #t~ret25#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___1~1#1 := #t~ret25#1;havoc #t~ret25#1; {176105#false} is VALID [2022-02-20 19:55:37,366 INFO L290 TraceCheckUtils]: 17: Hoare triple {176105#false} assume 0 != ~tmp___1~1#1;~t2_st~0 := 0; {176105#false} is VALID [2022-02-20 19:55:37,366 INFO L290 TraceCheckUtils]: 18: Hoare triple {176105#false} assume true; {176105#false} is VALID [2022-02-20 19:55:37,366 INFO L284 TraceCheckUtils]: 19: Hoare quadruple {176105#false} {176104#true} #747#return; {176105#false} is VALID [2022-02-20 19:55:37,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-02-20 19:55:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:37,370 INFO L290 TraceCheckUtils]: 0: Hoare triple {176177#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume !(1 == ~M_E~0); {176104#true} is VALID [2022-02-20 19:55:37,370 INFO L290 TraceCheckUtils]: 1: Hoare triple {176104#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {176104#true} is VALID [2022-02-20 19:55:37,370 INFO L290 TraceCheckUtils]: 2: Hoare triple {176104#true} assume !(1 == ~T2_E~0); {176104#true} is VALID [2022-02-20 19:55:37,370 INFO L290 TraceCheckUtils]: 3: Hoare triple {176104#true} assume 1 == ~E_M~0;~E_M~0 := 2; {176104#true} is VALID [2022-02-20 19:55:37,370 INFO L290 TraceCheckUtils]: 4: Hoare triple {176104#true} assume 1 == ~E_1~0;~E_1~0 := 2; {176104#true} is VALID [2022-02-20 19:55:37,370 INFO L290 TraceCheckUtils]: 5: Hoare triple {176104#true} assume 1 == ~E_2~0;~E_2~0 := 2; {176104#true} is VALID [2022-02-20 19:55:37,370 INFO L290 TraceCheckUtils]: 6: Hoare triple {176104#true} assume true; {176104#true} is VALID [2022-02-20 19:55:37,370 INFO L284 TraceCheckUtils]: 7: Hoare quadruple {176104#true} {176105#false} #749#return; {176105#false} is VALID [2022-02-20 19:55:37,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-02-20 19:55:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:37,376 INFO L290 TraceCheckUtils]: 0: Hoare triple {176104#true} havoc ~__retres1~7; {176104#true} is VALID [2022-02-20 19:55:37,376 INFO L290 TraceCheckUtils]: 1: Hoare triple {176104#true} assume 0 == ~m_st~0;~__retres1~7 := 1; {176104#true} is VALID [2022-02-20 19:55:37,376 INFO L290 TraceCheckUtils]: 2: Hoare triple {176104#true} #res := ~__retres1~7; {176104#true} is VALID [2022-02-20 19:55:37,376 INFO L290 TraceCheckUtils]: 3: Hoare triple {176104#true} assume true; {176104#true} is VALID [2022-02-20 19:55:37,376 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {176104#true} {176105#false} #751#return; {176105#false} is VALID [2022-02-20 19:55:37,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-02-20 19:55:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:37,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-20 19:55:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:37,387 INFO L290 TraceCheckUtils]: 0: Hoare triple {176178#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~4#1;havoc is_master_triggered_~__retres1~4#1; {176104#true} is VALID [2022-02-20 19:55:37,387 INFO L290 TraceCheckUtils]: 1: Hoare triple {176104#true} assume !(1 == ~m_pc~0); {176104#true} is VALID [2022-02-20 19:55:37,387 INFO L290 TraceCheckUtils]: 2: Hoare triple {176104#true} is_master_triggered_~__retres1~4#1 := 0; {176104#true} is VALID [2022-02-20 19:55:37,388 INFO L290 TraceCheckUtils]: 3: Hoare triple {176104#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {176104#true} is VALID [2022-02-20 19:55:37,388 INFO L290 TraceCheckUtils]: 4: Hoare triple {176104#true} #t~ret23#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret23#1 && #t~ret23#1 <= 2147483647;~tmp~5#1 := #t~ret23#1;havoc #t~ret23#1; {176104#true} is VALID [2022-02-20 19:55:37,388 INFO L290 TraceCheckUtils]: 5: Hoare triple {176104#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {176104#true} is VALID [2022-02-20 19:55:37,388 INFO L290 TraceCheckUtils]: 6: Hoare triple {176104#true} assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~5#1;havoc is_transmit1_triggered_~__retres1~5#1; {176104#true} is VALID [2022-02-20 19:55:37,388 INFO L290 TraceCheckUtils]: 7: Hoare triple {176104#true} assume !(1 == ~t1_pc~0); {176104#true} is VALID [2022-02-20 19:55:37,388 INFO L290 TraceCheckUtils]: 8: Hoare triple {176104#true} is_transmit1_triggered_~__retres1~5#1 := 0; {176104#true} is VALID [2022-02-20 19:55:37,388 INFO L290 TraceCheckUtils]: 9: Hoare triple {176104#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {176104#true} is VALID [2022-02-20 19:55:37,388 INFO L290 TraceCheckUtils]: 10: Hoare triple {176104#true} #t~ret24#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp___0~2#1 := #t~ret24#1;havoc #t~ret24#1; {176104#true} is VALID [2022-02-20 19:55:37,388 INFO L290 TraceCheckUtils]: 11: Hoare triple {176104#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {176104#true} is VALID [2022-02-20 19:55:37,388 INFO L290 TraceCheckUtils]: 12: Hoare triple {176104#true} assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~6#1;havoc is_transmit2_triggered_~__retres1~6#1; {176104#true} is VALID [2022-02-20 19:55:37,389 INFO L290 TraceCheckUtils]: 13: Hoare triple {176104#true} assume 1 == ~t2_pc~0; {176104#true} is VALID [2022-02-20 19:55:37,389 INFO L290 TraceCheckUtils]: 14: Hoare triple {176104#true} assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~6#1 := 1; {176104#true} is VALID [2022-02-20 19:55:37,389 INFO L290 TraceCheckUtils]: 15: Hoare triple {176104#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {176104#true} is VALID [2022-02-20 19:55:37,389 INFO L290 TraceCheckUtils]: 16: Hoare triple {176104#true} #t~ret25#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___1~1#1 := #t~ret25#1;havoc #t~ret25#1; {176104#true} is VALID [2022-02-20 19:55:37,389 INFO L290 TraceCheckUtils]: 17: Hoare triple {176104#true} assume 0 != ~tmp___1~1#1;~t2_st~0 := 0; {176104#true} is VALID [2022-02-20 19:55:37,389 INFO L290 TraceCheckUtils]: 18: Hoare triple {176104#true} assume true; {176104#true} is VALID [2022-02-20 19:55:37,389 INFO L284 TraceCheckUtils]: 19: Hoare quadruple {176104#true} {176178#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} #729#return; {176104#true} is VALID [2022-02-20 19:55:37,390 INFO L272 TraceCheckUtils]: 0: Hoare triple {176178#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} call activate_threads2(); {176178#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} is VALID [2022-02-20 19:55:37,390 INFO L290 TraceCheckUtils]: 1: Hoare triple {176178#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~4#1;havoc is_master_triggered_~__retres1~4#1; {176104#true} is VALID [2022-02-20 19:55:37,390 INFO L290 TraceCheckUtils]: 2: Hoare triple {176104#true} assume !(1 == ~m_pc~0); {176104#true} is VALID [2022-02-20 19:55:37,390 INFO L290 TraceCheckUtils]: 3: Hoare triple {176104#true} is_master_triggered_~__retres1~4#1 := 0; {176104#true} is VALID [2022-02-20 19:55:37,390 INFO L290 TraceCheckUtils]: 4: Hoare triple {176104#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {176104#true} is VALID [2022-02-20 19:55:37,390 INFO L290 TraceCheckUtils]: 5: Hoare triple {176104#true} #t~ret23#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret23#1 && #t~ret23#1 <= 2147483647;~tmp~5#1 := #t~ret23#1;havoc #t~ret23#1; {176104#true} is VALID [2022-02-20 19:55:37,390 INFO L290 TraceCheckUtils]: 6: Hoare triple {176104#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {176104#true} is VALID [2022-02-20 19:55:37,391 INFO L290 TraceCheckUtils]: 7: Hoare triple {176104#true} assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~5#1;havoc is_transmit1_triggered_~__retres1~5#1; {176104#true} is VALID [2022-02-20 19:55:37,391 INFO L290 TraceCheckUtils]: 8: Hoare triple {176104#true} assume !(1 == ~t1_pc~0); {176104#true} is VALID [2022-02-20 19:55:37,391 INFO L290 TraceCheckUtils]: 9: Hoare triple {176104#true} is_transmit1_triggered_~__retres1~5#1 := 0; {176104#true} is VALID [2022-02-20 19:55:37,391 INFO L290 TraceCheckUtils]: 10: Hoare triple {176104#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {176104#true} is VALID [2022-02-20 19:55:37,391 INFO L290 TraceCheckUtils]: 11: Hoare triple {176104#true} #t~ret24#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp___0~2#1 := #t~ret24#1;havoc #t~ret24#1; {176104#true} is VALID [2022-02-20 19:55:37,391 INFO L290 TraceCheckUtils]: 12: Hoare triple {176104#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {176104#true} is VALID [2022-02-20 19:55:37,391 INFO L290 TraceCheckUtils]: 13: Hoare triple {176104#true} assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~6#1;havoc is_transmit2_triggered_~__retres1~6#1; {176104#true} is VALID [2022-02-20 19:55:37,391 INFO L290 TraceCheckUtils]: 14: Hoare triple {176104#true} assume 1 == ~t2_pc~0; {176104#true} is VALID [2022-02-20 19:55:37,391 INFO L290 TraceCheckUtils]: 15: Hoare triple {176104#true} assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~6#1 := 1; {176104#true} is VALID [2022-02-20 19:55:37,391 INFO L290 TraceCheckUtils]: 16: Hoare triple {176104#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {176104#true} is VALID [2022-02-20 19:55:37,392 INFO L290 TraceCheckUtils]: 17: Hoare triple {176104#true} #t~ret25#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___1~1#1 := #t~ret25#1;havoc #t~ret25#1; {176104#true} is VALID [2022-02-20 19:55:37,392 INFO L290 TraceCheckUtils]: 18: Hoare triple {176104#true} assume 0 != ~tmp___1~1#1;~t2_st~0 := 0; {176104#true} is VALID [2022-02-20 19:55:37,392 INFO L290 TraceCheckUtils]: 19: Hoare triple {176104#true} assume true; {176104#true} is VALID [2022-02-20 19:55:37,392 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {176104#true} {176178#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} #729#return; {176104#true} is VALID [2022-02-20 19:55:37,392 INFO L290 TraceCheckUtils]: 21: Hoare triple {176104#true} assume true; {176104#true} is VALID [2022-02-20 19:55:37,392 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {176104#true} {176105#false} #753#return; {176105#false} is VALID [2022-02-20 19:55:37,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-02-20 19:55:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:37,395 INFO L290 TraceCheckUtils]: 0: Hoare triple {176104#true} havoc ~__retres1~7; {176104#true} is VALID [2022-02-20 19:55:37,395 INFO L290 TraceCheckUtils]: 1: Hoare triple {176104#true} assume 0 == ~m_st~0;~__retres1~7 := 1; {176104#true} is VALID [2022-02-20 19:55:37,395 INFO L290 TraceCheckUtils]: 2: Hoare triple {176104#true} #res := ~__retres1~7; {176104#true} is VALID [2022-02-20 19:55:37,395 INFO L290 TraceCheckUtils]: 3: Hoare triple {176104#true} assume true; {176104#true} is VALID [2022-02-20 19:55:37,395 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {176104#true} {176105#false} #751#return; {176105#false} is VALID [2022-02-20 19:55:37,396 INFO L290 TraceCheckUtils]: 0: Hoare triple {176104#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~token~0 := 0;~local~0 := 0; {176104#true} is VALID [2022-02-20 19:55:37,396 INFO L290 TraceCheckUtils]: 1: Hoare triple {176104#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1;assume -2147483648 <= main_#t~nondet29#1 && main_#t~nondet29#1 <= 2147483647; {176104#true} is VALID [2022-02-20 19:55:37,396 INFO L290 TraceCheckUtils]: 2: Hoare triple {176104#true} assume !(0 != main_#t~nondet29#1);havoc main_#t~nondet29#1;assume { :begin_inline_main2 } true;havoc main2_#res#1;havoc main2_~__retres1~8#1;havoc main2_~__retres1~8#1;assume { :begin_inline_init_model2 } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1; {176104#true} is VALID [2022-02-20 19:55:37,396 INFO L290 TraceCheckUtils]: 3: Hoare triple {176104#true} assume { :end_inline_init_model2 } true;assume { :begin_inline_start_simulation2 } true;havoc start_simulation2_#t~ret27#1, start_simulation2_#t~ret28#1, start_simulation2_~kernel_st~1#1, start_simulation2_~tmp~7#1, start_simulation2_~tmp___0~3#1;havoc start_simulation2_~kernel_st~1#1;havoc start_simulation2_~tmp~7#1;havoc start_simulation2_~tmp___0~3#1;start_simulation2_~kernel_st~1#1 := 0; {176104#true} is VALID [2022-02-20 19:55:37,396 INFO L272 TraceCheckUtils]: 4: Hoare triple {176104#true} call update_channels2(); {176104#true} is VALID [2022-02-20 19:55:37,396 INFO L290 TraceCheckUtils]: 5: Hoare triple {176104#true} assume true; {176104#true} is VALID [2022-02-20 19:55:37,396 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {176104#true} {176104#true} #743#return; {176104#true} is VALID [2022-02-20 19:55:37,396 INFO L290 TraceCheckUtils]: 7: Hoare triple {176104#true} assume { :begin_inline_init_threads2 } true; {176104#true} is VALID [2022-02-20 19:55:37,396 INFO L290 TraceCheckUtils]: 8: Hoare triple {176104#true} assume 1 == ~m_i~0;~m_st~0 := 0; {176104#true} is VALID [2022-02-20 19:55:37,397 INFO L290 TraceCheckUtils]: 9: Hoare triple {176104#true} assume 1 == ~t1_i~0;~t1_st~0 := 0; {176104#true} is VALID [2022-02-20 19:55:37,397 INFO L290 TraceCheckUtils]: 10: Hoare triple {176104#true} assume 1 == ~t2_i~0;~t2_st~0 := 0; {176104#true} is VALID [2022-02-20 19:55:37,397 INFO L290 TraceCheckUtils]: 11: Hoare triple {176104#true} assume { :end_inline_init_threads2 } true; {176104#true} is VALID [2022-02-20 19:55:37,397 INFO L272 TraceCheckUtils]: 12: Hoare triple {176104#true} call fire_delta_events2(); {176177#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} is VALID [2022-02-20 19:55:37,397 INFO L290 TraceCheckUtils]: 13: Hoare triple {176177#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume !(0 == ~M_E~0); {176104#true} is VALID [2022-02-20 19:55:37,398 INFO L290 TraceCheckUtils]: 14: Hoare triple {176104#true} assume !(0 == ~T1_E~0); {176104#true} is VALID [2022-02-20 19:55:37,398 INFO L290 TraceCheckUtils]: 15: Hoare triple {176104#true} assume !(0 == ~T2_E~0); {176104#true} is VALID [2022-02-20 19:55:37,398 INFO L290 TraceCheckUtils]: 16: Hoare triple {176104#true} assume !(0 == ~E_M~0); {176104#true} is VALID [2022-02-20 19:55:37,398 INFO L290 TraceCheckUtils]: 17: Hoare triple {176104#true} assume !(0 == ~E_1~0); {176104#true} is VALID [2022-02-20 19:55:37,398 INFO L290 TraceCheckUtils]: 18: Hoare triple {176104#true} assume !(0 == ~E_2~0); {176104#true} is VALID [2022-02-20 19:55:37,398 INFO L290 TraceCheckUtils]: 19: Hoare triple {176104#true} assume true; {176104#true} is VALID [2022-02-20 19:55:37,398 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {176104#true} {176104#true} #745#return; {176104#true} is VALID [2022-02-20 19:55:37,399 INFO L272 TraceCheckUtils]: 21: Hoare triple {176104#true} call activate_threads2(); {176178#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} is VALID [2022-02-20 19:55:37,399 INFO L290 TraceCheckUtils]: 22: Hoare triple {176178#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~4#1;havoc is_master_triggered_~__retres1~4#1; {176104#true} is VALID [2022-02-20 19:55:37,399 INFO L290 TraceCheckUtils]: 23: Hoare triple {176104#true} assume !(1 == ~m_pc~0); {176104#true} is VALID [2022-02-20 19:55:37,399 INFO L290 TraceCheckUtils]: 24: Hoare triple {176104#true} is_master_triggered_~__retres1~4#1 := 0; {176179#(and (<= 0 |activate_threads2_is_master_triggered_~__retres1~4#1|) (<= |activate_threads2_is_master_triggered_~__retres1~4#1| 0))} is VALID [2022-02-20 19:55:37,399 INFO L290 TraceCheckUtils]: 25: Hoare triple {176179#(and (<= 0 |activate_threads2_is_master_triggered_~__retres1~4#1|) (<= |activate_threads2_is_master_triggered_~__retres1~4#1| 0))} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {176180#(and (<= |activate_threads2_is_master_triggered_#res#1| 0) (<= 0 |activate_threads2_is_master_triggered_#res#1|))} is VALID [2022-02-20 19:55:37,400 INFO L290 TraceCheckUtils]: 26: Hoare triple {176180#(and (<= |activate_threads2_is_master_triggered_#res#1| 0) (<= 0 |activate_threads2_is_master_triggered_#res#1|))} #t~ret23#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret23#1 && #t~ret23#1 <= 2147483647;~tmp~5#1 := #t~ret23#1;havoc #t~ret23#1; {176181#(and (<= |activate_threads2_~tmp~5#1| 0) (< 0 (+ |activate_threads2_~tmp~5#1| 1)))} is VALID [2022-02-20 19:55:37,400 INFO L290 TraceCheckUtils]: 27: Hoare triple {176181#(and (<= |activate_threads2_~tmp~5#1| 0) (< 0 (+ |activate_threads2_~tmp~5#1| 1)))} assume 0 != ~tmp~5#1;~m_st~0 := 0; {176105#false} is VALID [2022-02-20 19:55:37,400 INFO L290 TraceCheckUtils]: 28: Hoare triple {176105#false} assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~5#1;havoc is_transmit1_triggered_~__retres1~5#1; {176105#false} is VALID [2022-02-20 19:55:37,401 INFO L290 TraceCheckUtils]: 29: Hoare triple {176105#false} assume !(1 == ~t1_pc~0); {176105#false} is VALID [2022-02-20 19:55:37,401 INFO L290 TraceCheckUtils]: 30: Hoare triple {176105#false} is_transmit1_triggered_~__retres1~5#1 := 0; {176105#false} is VALID [2022-02-20 19:55:37,401 INFO L290 TraceCheckUtils]: 31: Hoare triple {176105#false} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {176105#false} is VALID [2022-02-20 19:55:37,401 INFO L290 TraceCheckUtils]: 32: Hoare triple {176105#false} #t~ret24#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp___0~2#1 := #t~ret24#1;havoc #t~ret24#1; {176105#false} is VALID [2022-02-20 19:55:37,401 INFO L290 TraceCheckUtils]: 33: Hoare triple {176105#false} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {176105#false} is VALID [2022-02-20 19:55:37,401 INFO L290 TraceCheckUtils]: 34: Hoare triple {176105#false} assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~6#1;havoc is_transmit2_triggered_~__retres1~6#1; {176105#false} is VALID [2022-02-20 19:55:37,401 INFO L290 TraceCheckUtils]: 35: Hoare triple {176105#false} assume 1 == ~t2_pc~0; {176105#false} is VALID [2022-02-20 19:55:37,401 INFO L290 TraceCheckUtils]: 36: Hoare triple {176105#false} assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~6#1 := 1; {176105#false} is VALID [2022-02-20 19:55:37,401 INFO L290 TraceCheckUtils]: 37: Hoare triple {176105#false} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {176105#false} is VALID [2022-02-20 19:55:37,401 INFO L290 TraceCheckUtils]: 38: Hoare triple {176105#false} #t~ret25#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___1~1#1 := #t~ret25#1;havoc #t~ret25#1; {176105#false} is VALID [2022-02-20 19:55:37,402 INFO L290 TraceCheckUtils]: 39: Hoare triple {176105#false} assume 0 != ~tmp___1~1#1;~t2_st~0 := 0; {176105#false} is VALID [2022-02-20 19:55:37,402 INFO L290 TraceCheckUtils]: 40: Hoare triple {176105#false} assume true; {176105#false} is VALID [2022-02-20 19:55:37,402 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {176105#false} {176104#true} #747#return; {176105#false} is VALID [2022-02-20 19:55:37,402 INFO L272 TraceCheckUtils]: 42: Hoare triple {176105#false} call reset_delta_events2(); {176177#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} is VALID [2022-02-20 19:55:37,402 INFO L290 TraceCheckUtils]: 43: Hoare triple {176177#(and (= ~M_E~0 |old(~M_E~0)|) (= |old(~T1_E~0)| ~T1_E~0) (= ~E_M~0 |old(~E_M~0)|) (= |old(~T2_E~0)| ~T2_E~0) (= ~E_1~0 |old(~E_1~0)|) (= ~E_2~0 |old(~E_2~0)|))} assume !(1 == ~M_E~0); {176104#true} is VALID [2022-02-20 19:55:37,402 INFO L290 TraceCheckUtils]: 44: Hoare triple {176104#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {176104#true} is VALID [2022-02-20 19:55:37,402 INFO L290 TraceCheckUtils]: 45: Hoare triple {176104#true} assume !(1 == ~T2_E~0); {176104#true} is VALID [2022-02-20 19:55:37,402 INFO L290 TraceCheckUtils]: 46: Hoare triple {176104#true} assume 1 == ~E_M~0;~E_M~0 := 2; {176104#true} is VALID [2022-02-20 19:55:37,402 INFO L290 TraceCheckUtils]: 47: Hoare triple {176104#true} assume 1 == ~E_1~0;~E_1~0 := 2; {176104#true} is VALID [2022-02-20 19:55:37,402 INFO L290 TraceCheckUtils]: 48: Hoare triple {176104#true} assume 1 == ~E_2~0;~E_2~0 := 2; {176104#true} is VALID [2022-02-20 19:55:37,403 INFO L290 TraceCheckUtils]: 49: Hoare triple {176104#true} assume true; {176104#true} is VALID [2022-02-20 19:55:37,403 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {176104#true} {176105#false} #749#return; {176105#false} is VALID [2022-02-20 19:55:37,403 INFO L290 TraceCheckUtils]: 51: Hoare triple {176105#false} assume !false; {176105#false} is VALID [2022-02-20 19:55:37,403 INFO L290 TraceCheckUtils]: 52: Hoare triple {176105#false} start_simulation2_~kernel_st~1#1 := 1;assume { :begin_inline_eval2 } true;havoc eval2_#t~ret19#1, eval2_#t~nondet20#1, eval2_~tmp_ndt_1~0#1, eval2_#t~nondet21#1, eval2_~tmp_ndt_2~0#1, eval2_#t~nondet22#1, eval2_~tmp_ndt_3~0#1, eval2_~tmp~4#1;havoc eval2_~tmp~4#1; {176105#false} is VALID [2022-02-20 19:55:37,403 INFO L290 TraceCheckUtils]: 53: Hoare triple {176105#false} assume !false; {176105#false} is VALID [2022-02-20 19:55:37,403 INFO L272 TraceCheckUtils]: 54: Hoare triple {176105#false} call eval2_#t~ret19#1 := exists_runnable_thread2(); {176104#true} is VALID [2022-02-20 19:55:37,403 INFO L290 TraceCheckUtils]: 55: Hoare triple {176104#true} havoc ~__retres1~7; {176104#true} is VALID [2022-02-20 19:55:37,403 INFO L290 TraceCheckUtils]: 56: Hoare triple {176104#true} assume 0 == ~m_st~0;~__retres1~7 := 1; {176104#true} is VALID [2022-02-20 19:55:37,403 INFO L290 TraceCheckUtils]: 57: Hoare triple {176104#true} #res := ~__retres1~7; {176104#true} is VALID [2022-02-20 19:55:37,403 INFO L290 TraceCheckUtils]: 58: Hoare triple {176104#true} assume true; {176104#true} is VALID [2022-02-20 19:55:37,403 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {176104#true} {176105#false} #751#return; {176105#false} is VALID [2022-02-20 19:55:37,404 INFO L290 TraceCheckUtils]: 60: Hoare triple {176105#false} assume -2147483648 <= eval2_#t~ret19#1 && eval2_#t~ret19#1 <= 2147483647;eval2_~tmp~4#1 := eval2_#t~ret19#1;havoc eval2_#t~ret19#1; {176105#false} is VALID [2022-02-20 19:55:37,404 INFO L290 TraceCheckUtils]: 61: Hoare triple {176105#false} assume 0 != eval2_~tmp~4#1; {176105#false} is VALID [2022-02-20 19:55:37,404 INFO L290 TraceCheckUtils]: 62: Hoare triple {176105#false} assume 0 == ~m_st~0;havoc eval2_~tmp_ndt_1~0#1;assume -2147483648 <= eval2_#t~nondet20#1 && eval2_#t~nondet20#1 <= 2147483647;eval2_~tmp_ndt_1~0#1 := eval2_#t~nondet20#1;havoc eval2_#t~nondet20#1; {176105#false} is VALID [2022-02-20 19:55:37,404 INFO L290 TraceCheckUtils]: 63: Hoare triple {176105#false} assume 0 != eval2_~tmp_ndt_1~0#1;~m_st~0 := 1;assume { :begin_inline_master } true;havoc master_#t~nondet17#1, master_#t~nondet18#1, master_~tmp_var~0#1;assume -2147483648 <= master_#t~nondet17#1 && master_#t~nondet17#1 <= 2147483647;master_~tmp_var~0#1 := master_#t~nondet17#1;havoc master_#t~nondet17#1; {176105#false} is VALID [2022-02-20 19:55:37,404 INFO L290 TraceCheckUtils]: 64: Hoare triple {176105#false} assume 0 == ~m_pc~0; {176105#false} is VALID [2022-02-20 19:55:37,404 INFO L290 TraceCheckUtils]: 65: Hoare triple {176105#false} assume !false; {176105#false} is VALID [2022-02-20 19:55:37,404 INFO L290 TraceCheckUtils]: 66: Hoare triple {176105#false} assume -2147483648 <= master_#t~nondet18#1 && master_#t~nondet18#1 <= 2147483647;~token~0 := master_#t~nondet18#1;havoc master_#t~nondet18#1;~local~0 := ~token~0;~E_1~0 := 1; {176105#false} is VALID [2022-02-20 19:55:37,404 INFO L272 TraceCheckUtils]: 67: Hoare triple {176105#false} call immediate_notify(); {176178#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} is VALID [2022-02-20 19:55:37,405 INFO L272 TraceCheckUtils]: 68: Hoare triple {176178#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} call activate_threads2(); {176178#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} is VALID [2022-02-20 19:55:37,405 INFO L290 TraceCheckUtils]: 69: Hoare triple {176178#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~4#1;havoc is_master_triggered_~__retres1~4#1; {176104#true} is VALID [2022-02-20 19:55:37,405 INFO L290 TraceCheckUtils]: 70: Hoare triple {176104#true} assume !(1 == ~m_pc~0); {176104#true} is VALID [2022-02-20 19:55:37,405 INFO L290 TraceCheckUtils]: 71: Hoare triple {176104#true} is_master_triggered_~__retres1~4#1 := 0; {176104#true} is VALID [2022-02-20 19:55:37,405 INFO L290 TraceCheckUtils]: 72: Hoare triple {176104#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {176104#true} is VALID [2022-02-20 19:55:37,405 INFO L290 TraceCheckUtils]: 73: Hoare triple {176104#true} #t~ret23#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret23#1 && #t~ret23#1 <= 2147483647;~tmp~5#1 := #t~ret23#1;havoc #t~ret23#1; {176104#true} is VALID [2022-02-20 19:55:37,405 INFO L290 TraceCheckUtils]: 74: Hoare triple {176104#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {176104#true} is VALID [2022-02-20 19:55:37,406 INFO L290 TraceCheckUtils]: 75: Hoare triple {176104#true} assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~5#1;havoc is_transmit1_triggered_~__retres1~5#1; {176104#true} is VALID [2022-02-20 19:55:37,406 INFO L290 TraceCheckUtils]: 76: Hoare triple {176104#true} assume !(1 == ~t1_pc~0); {176104#true} is VALID [2022-02-20 19:55:37,406 INFO L290 TraceCheckUtils]: 77: Hoare triple {176104#true} is_transmit1_triggered_~__retres1~5#1 := 0; {176104#true} is VALID [2022-02-20 19:55:37,406 INFO L290 TraceCheckUtils]: 78: Hoare triple {176104#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {176104#true} is VALID [2022-02-20 19:55:37,406 INFO L290 TraceCheckUtils]: 79: Hoare triple {176104#true} #t~ret24#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp___0~2#1 := #t~ret24#1;havoc #t~ret24#1; {176104#true} is VALID [2022-02-20 19:55:37,406 INFO L290 TraceCheckUtils]: 80: Hoare triple {176104#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {176104#true} is VALID [2022-02-20 19:55:37,406 INFO L290 TraceCheckUtils]: 81: Hoare triple {176104#true} assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~6#1;havoc is_transmit2_triggered_~__retres1~6#1; {176104#true} is VALID [2022-02-20 19:55:37,406 INFO L290 TraceCheckUtils]: 82: Hoare triple {176104#true} assume 1 == ~t2_pc~0; {176104#true} is VALID [2022-02-20 19:55:37,406 INFO L290 TraceCheckUtils]: 83: Hoare triple {176104#true} assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~6#1 := 1; {176104#true} is VALID [2022-02-20 19:55:37,406 INFO L290 TraceCheckUtils]: 84: Hoare triple {176104#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {176104#true} is VALID [2022-02-20 19:55:37,407 INFO L290 TraceCheckUtils]: 85: Hoare triple {176104#true} #t~ret25#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___1~1#1 := #t~ret25#1;havoc #t~ret25#1; {176104#true} is VALID [2022-02-20 19:55:37,407 INFO L290 TraceCheckUtils]: 86: Hoare triple {176104#true} assume 0 != ~tmp___1~1#1;~t2_st~0 := 0; {176104#true} is VALID [2022-02-20 19:55:37,407 INFO L290 TraceCheckUtils]: 87: Hoare triple {176104#true} assume true; {176104#true} is VALID [2022-02-20 19:55:37,407 INFO L284 TraceCheckUtils]: 88: Hoare quadruple {176104#true} {176178#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0))} #729#return; {176104#true} is VALID [2022-02-20 19:55:37,407 INFO L290 TraceCheckUtils]: 89: Hoare triple {176104#true} assume true; {176104#true} is VALID [2022-02-20 19:55:37,407 INFO L284 TraceCheckUtils]: 90: Hoare quadruple {176104#true} {176105#false} #753#return; {176105#false} is VALID [2022-02-20 19:55:37,407 INFO L290 TraceCheckUtils]: 91: Hoare triple {176105#false} ~E_1~0 := 2;~m_pc~0 := 1;~m_st~0 := 2; {176105#false} is VALID [2022-02-20 19:55:37,407 INFO L290 TraceCheckUtils]: 92: Hoare triple {176105#false} assume { :end_inline_master } true; {176105#false} is VALID [2022-02-20 19:55:37,407 INFO L290 TraceCheckUtils]: 93: Hoare triple {176105#false} assume !(0 == ~t1_st~0); {176105#false} is VALID [2022-02-20 19:55:37,407 INFO L290 TraceCheckUtils]: 94: Hoare triple {176105#false} assume !(0 == ~t2_st~0); {176105#false} is VALID [2022-02-20 19:55:37,408 INFO L290 TraceCheckUtils]: 95: Hoare triple {176105#false} assume !false; {176105#false} is VALID [2022-02-20 19:55:37,408 INFO L272 TraceCheckUtils]: 96: Hoare triple {176105#false} call eval2_#t~ret19#1 := exists_runnable_thread2(); {176104#true} is VALID [2022-02-20 19:55:37,408 INFO L290 TraceCheckUtils]: 97: Hoare triple {176104#true} havoc ~__retres1~7; {176104#true} is VALID [2022-02-20 19:55:37,408 INFO L290 TraceCheckUtils]: 98: Hoare triple {176104#true} assume 0 == ~m_st~0;~__retres1~7 := 1; {176104#true} is VALID [2022-02-20 19:55:37,408 INFO L290 TraceCheckUtils]: 99: Hoare triple {176104#true} #res := ~__retres1~7; {176104#true} is VALID [2022-02-20 19:55:37,408 INFO L290 TraceCheckUtils]: 100: Hoare triple {176104#true} assume true; {176104#true} is VALID [2022-02-20 19:55:37,408 INFO L284 TraceCheckUtils]: 101: Hoare quadruple {176104#true} {176105#false} #751#return; {176105#false} is VALID [2022-02-20 19:55:37,408 INFO L290 TraceCheckUtils]: 102: Hoare triple {176105#false} assume -2147483648 <= eval2_#t~ret19#1 && eval2_#t~ret19#1 <= 2147483647;eval2_~tmp~4#1 := eval2_#t~ret19#1;havoc eval2_#t~ret19#1; {176105#false} is VALID [2022-02-20 19:55:37,408 INFO L290 TraceCheckUtils]: 103: Hoare triple {176105#false} assume 0 != eval2_~tmp~4#1; {176105#false} is VALID [2022-02-20 19:55:37,408 INFO L290 TraceCheckUtils]: 104: Hoare triple {176105#false} assume 0 == ~m_st~0;havoc eval2_~tmp_ndt_1~0#1;assume -2147483648 <= eval2_#t~nondet20#1 && eval2_#t~nondet20#1 <= 2147483647;eval2_~tmp_ndt_1~0#1 := eval2_#t~nondet20#1;havoc eval2_#t~nondet20#1; {176105#false} is VALID [2022-02-20 19:55:37,409 INFO L290 TraceCheckUtils]: 105: Hoare triple {176105#false} assume 0 != eval2_~tmp_ndt_1~0#1;~m_st~0 := 1;assume { :begin_inline_master } true;havoc master_#t~nondet17#1, master_#t~nondet18#1, master_~tmp_var~0#1;assume -2147483648 <= master_#t~nondet17#1 && master_#t~nondet17#1 <= 2147483647;master_~tmp_var~0#1 := master_#t~nondet17#1;havoc master_#t~nondet17#1; {176105#false} is VALID [2022-02-20 19:55:37,409 INFO L290 TraceCheckUtils]: 106: Hoare triple {176105#false} assume !(0 == ~m_pc~0); {176105#false} is VALID [2022-02-20 19:55:37,409 INFO L290 TraceCheckUtils]: 107: Hoare triple {176105#false} assume 1 == ~m_pc~0; {176105#false} is VALID [2022-02-20 19:55:37,409 INFO L290 TraceCheckUtils]: 108: Hoare triple {176105#false} assume ~token~0 != 2 + ~local~0; {176105#false} is VALID [2022-02-20 19:55:37,409 INFO L272 TraceCheckUtils]: 109: Hoare triple {176105#false} call error2(); {176105#false} is VALID [2022-02-20 19:55:37,409 INFO L290 TraceCheckUtils]: 110: Hoare triple {176105#false} assume !false; {176105#false} is VALID [2022-02-20 19:55:37,409 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-02-20 19:55:37,409 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:55:37,409 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615552143] [2022-02-20 19:55:37,410 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615552143] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 19:55:37,410 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813585114] [2022-02-20 19:55:37,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:55:37,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 19:55:37,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 19:55:37,412 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 19:55:37,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-20 19:55:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:37,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 2 conjunts are in the unsatisfiable core [2022-02-20 19:55:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:37,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 19:55:37,776 INFO L290 TraceCheckUtils]: 0: Hoare triple {176104#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);call #Ultimate.allocInit(12, 3);~q_buf_0~0 := 0;~q_free~0 := 0;~q_read_ev~0 := 0;~q_write_ev~0 := 0;~p_num_write~0 := 0;~p_last_write~0 := 0;~p_dw_st~0 := 0;~p_dw_pc~0 := 0;~p_dw_i~0 := 0;~c_num_read~0 := 0;~c_last_read~0 := 0;~c_dr_st~0 := 0;~c_dr_pc~0 := 0;~c_dr_i~0 := 0;~a_t~0 := 0;~m_pc~0 := 0;~t1_pc~0 := 0;~t2_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~token~0 := 0;~local~0 := 0; {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,776 INFO L290 TraceCheckUtils]: 1: Hoare triple {176205#(<= ~t2_pc~0 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet29#1, main_#t~ret30#1, main_#t~ret31#1;assume -2147483648 <= main_#t~nondet29#1 && main_#t~nondet29#1 <= 2147483647; {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,777 INFO L290 TraceCheckUtils]: 2: Hoare triple {176205#(<= ~t2_pc~0 0)} assume !(0 != main_#t~nondet29#1);havoc main_#t~nondet29#1;assume { :begin_inline_main2 } true;havoc main2_#res#1;havoc main2_~__retres1~8#1;havoc main2_~__retres1~8#1;assume { :begin_inline_init_model2 } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1; {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,777 INFO L290 TraceCheckUtils]: 3: Hoare triple {176205#(<= ~t2_pc~0 0)} assume { :end_inline_init_model2 } true;assume { :begin_inline_start_simulation2 } true;havoc start_simulation2_#t~ret27#1, start_simulation2_#t~ret28#1, start_simulation2_~kernel_st~1#1, start_simulation2_~tmp~7#1, start_simulation2_~tmp___0~3#1;havoc start_simulation2_~kernel_st~1#1;havoc start_simulation2_~tmp~7#1;havoc start_simulation2_~tmp___0~3#1;start_simulation2_~kernel_st~1#1 := 0; {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,778 INFO L272 TraceCheckUtils]: 4: Hoare triple {176205#(<= ~t2_pc~0 0)} call update_channels2(); {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,778 INFO L290 TraceCheckUtils]: 5: Hoare triple {176205#(<= ~t2_pc~0 0)} assume true; {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,778 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {176205#(<= ~t2_pc~0 0)} {176205#(<= ~t2_pc~0 0)} #743#return; {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,779 INFO L290 TraceCheckUtils]: 7: Hoare triple {176205#(<= ~t2_pc~0 0)} assume { :begin_inline_init_threads2 } true; {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,779 INFO L290 TraceCheckUtils]: 8: Hoare triple {176205#(<= ~t2_pc~0 0)} assume 1 == ~m_i~0;~m_st~0 := 0; {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,779 INFO L290 TraceCheckUtils]: 9: Hoare triple {176205#(<= ~t2_pc~0 0)} assume 1 == ~t1_i~0;~t1_st~0 := 0; {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,780 INFO L290 TraceCheckUtils]: 10: Hoare triple {176205#(<= ~t2_pc~0 0)} assume 1 == ~t2_i~0;~t2_st~0 := 0; {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,780 INFO L290 TraceCheckUtils]: 11: Hoare triple {176205#(<= ~t2_pc~0 0)} assume { :end_inline_init_threads2 } true; {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,780 INFO L272 TraceCheckUtils]: 12: Hoare triple {176205#(<= ~t2_pc~0 0)} call fire_delta_events2(); {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,781 INFO L290 TraceCheckUtils]: 13: Hoare triple {176205#(<= ~t2_pc~0 0)} assume !(0 == ~M_E~0); {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,781 INFO L290 TraceCheckUtils]: 14: Hoare triple {176205#(<= ~t2_pc~0 0)} assume !(0 == ~T1_E~0); {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,781 INFO L290 TraceCheckUtils]: 15: Hoare triple {176205#(<= ~t2_pc~0 0)} assume !(0 == ~T2_E~0); {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,782 INFO L290 TraceCheckUtils]: 16: Hoare triple {176205#(<= ~t2_pc~0 0)} assume !(0 == ~E_M~0); {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,782 INFO L290 TraceCheckUtils]: 17: Hoare triple {176205#(<= ~t2_pc~0 0)} assume !(0 == ~E_1~0); {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,782 INFO L290 TraceCheckUtils]: 18: Hoare triple {176205#(<= ~t2_pc~0 0)} assume !(0 == ~E_2~0); {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,783 INFO L290 TraceCheckUtils]: 19: Hoare triple {176205#(<= ~t2_pc~0 0)} assume true; {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,783 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {176205#(<= ~t2_pc~0 0)} {176205#(<= ~t2_pc~0 0)} #745#return; {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,783 INFO L272 TraceCheckUtils]: 21: Hoare triple {176205#(<= ~t2_pc~0 0)} call activate_threads2(); {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,784 INFO L290 TraceCheckUtils]: 22: Hoare triple {176205#(<= ~t2_pc~0 0)} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~4#1;havoc is_master_triggered_~__retres1~4#1; {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,784 INFO L290 TraceCheckUtils]: 23: Hoare triple {176205#(<= ~t2_pc~0 0)} assume !(1 == ~m_pc~0); {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,784 INFO L290 TraceCheckUtils]: 24: Hoare triple {176205#(<= ~t2_pc~0 0)} is_master_triggered_~__retres1~4#1 := 0; {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,785 INFO L290 TraceCheckUtils]: 25: Hoare triple {176205#(<= ~t2_pc~0 0)} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,785 INFO L290 TraceCheckUtils]: 26: Hoare triple {176205#(<= ~t2_pc~0 0)} #t~ret23#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret23#1 && #t~ret23#1 <= 2147483647;~tmp~5#1 := #t~ret23#1;havoc #t~ret23#1; {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,785 INFO L290 TraceCheckUtils]: 27: Hoare triple {176205#(<= ~t2_pc~0 0)} assume 0 != ~tmp~5#1;~m_st~0 := 0; {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,786 INFO L290 TraceCheckUtils]: 28: Hoare triple {176205#(<= ~t2_pc~0 0)} assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~5#1;havoc is_transmit1_triggered_~__retres1~5#1; {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,786 INFO L290 TraceCheckUtils]: 29: Hoare triple {176205#(<= ~t2_pc~0 0)} assume !(1 == ~t1_pc~0); {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,787 INFO L290 TraceCheckUtils]: 30: Hoare triple {176205#(<= ~t2_pc~0 0)} is_transmit1_triggered_~__retres1~5#1 := 0; {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,787 INFO L290 TraceCheckUtils]: 31: Hoare triple {176205#(<= ~t2_pc~0 0)} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,787 INFO L290 TraceCheckUtils]: 32: Hoare triple {176205#(<= ~t2_pc~0 0)} #t~ret24#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp___0~2#1 := #t~ret24#1;havoc #t~ret24#1; {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,788 INFO L290 TraceCheckUtils]: 33: Hoare triple {176205#(<= ~t2_pc~0 0)} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,788 INFO L290 TraceCheckUtils]: 34: Hoare triple {176205#(<= ~t2_pc~0 0)} assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~6#1;havoc is_transmit2_triggered_~__retres1~6#1; {176205#(<= ~t2_pc~0 0)} is VALID [2022-02-20 19:55:37,788 INFO L290 TraceCheckUtils]: 35: Hoare triple {176205#(<= ~t2_pc~0 0)} assume 1 == ~t2_pc~0; {176105#false} is VALID [2022-02-20 19:55:37,788 INFO L290 TraceCheckUtils]: 36: Hoare triple {176105#false} assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~6#1 := 1; {176105#false} is VALID [2022-02-20 19:55:37,788 INFO L290 TraceCheckUtils]: 37: Hoare triple {176105#false} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {176105#false} is VALID [2022-02-20 19:55:37,789 INFO L290 TraceCheckUtils]: 38: Hoare triple {176105#false} #t~ret25#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___1~1#1 := #t~ret25#1;havoc #t~ret25#1; {176105#false} is VALID [2022-02-20 19:55:37,789 INFO L290 TraceCheckUtils]: 39: Hoare triple {176105#false} assume 0 != ~tmp___1~1#1;~t2_st~0 := 0; {176105#false} is VALID [2022-02-20 19:55:37,789 INFO L290 TraceCheckUtils]: 40: Hoare triple {176105#false} assume true; {176105#false} is VALID [2022-02-20 19:55:37,789 INFO L284 TraceCheckUtils]: 41: Hoare quadruple {176105#false} {176205#(<= ~t2_pc~0 0)} #747#return; {176105#false} is VALID [2022-02-20 19:55:37,789 INFO L272 TraceCheckUtils]: 42: Hoare triple {176105#false} call reset_delta_events2(); {176105#false} is VALID [2022-02-20 19:55:37,789 INFO L290 TraceCheckUtils]: 43: Hoare triple {176105#false} assume !(1 == ~M_E~0); {176105#false} is VALID [2022-02-20 19:55:37,789 INFO L290 TraceCheckUtils]: 44: Hoare triple {176105#false} assume 1 == ~T1_E~0;~T1_E~0 := 2; {176105#false} is VALID [2022-02-20 19:55:37,789 INFO L290 TraceCheckUtils]: 45: Hoare triple {176105#false} assume !(1 == ~T2_E~0); {176105#false} is VALID [2022-02-20 19:55:37,789 INFO L290 TraceCheckUtils]: 46: Hoare triple {176105#false} assume 1 == ~E_M~0;~E_M~0 := 2; {176105#false} is VALID [2022-02-20 19:55:37,789 INFO L290 TraceCheckUtils]: 47: Hoare triple {176105#false} assume 1 == ~E_1~0;~E_1~0 := 2; {176105#false} is VALID [2022-02-20 19:55:37,790 INFO L290 TraceCheckUtils]: 48: Hoare triple {176105#false} assume 1 == ~E_2~0;~E_2~0 := 2; {176105#false} is VALID [2022-02-20 19:55:37,790 INFO L290 TraceCheckUtils]: 49: Hoare triple {176105#false} assume true; {176105#false} is VALID [2022-02-20 19:55:37,790 INFO L284 TraceCheckUtils]: 50: Hoare quadruple {176105#false} {176105#false} #749#return; {176105#false} is VALID [2022-02-20 19:55:37,790 INFO L290 TraceCheckUtils]: 51: Hoare triple {176105#false} assume !false; {176105#false} is VALID [2022-02-20 19:55:37,790 INFO L290 TraceCheckUtils]: 52: Hoare triple {176105#false} start_simulation2_~kernel_st~1#1 := 1;assume { :begin_inline_eval2 } true;havoc eval2_#t~ret19#1, eval2_#t~nondet20#1, eval2_~tmp_ndt_1~0#1, eval2_#t~nondet21#1, eval2_~tmp_ndt_2~0#1, eval2_#t~nondet22#1, eval2_~tmp_ndt_3~0#1, eval2_~tmp~4#1;havoc eval2_~tmp~4#1; {176105#false} is VALID [2022-02-20 19:55:37,790 INFO L290 TraceCheckUtils]: 53: Hoare triple {176105#false} assume !false; {176105#false} is VALID [2022-02-20 19:55:37,790 INFO L272 TraceCheckUtils]: 54: Hoare triple {176105#false} call eval2_#t~ret19#1 := exists_runnable_thread2(); {176105#false} is VALID [2022-02-20 19:55:37,790 INFO L290 TraceCheckUtils]: 55: Hoare triple {176105#false} havoc ~__retres1~7; {176105#false} is VALID [2022-02-20 19:55:37,790 INFO L290 TraceCheckUtils]: 56: Hoare triple {176105#false} assume 0 == ~m_st~0;~__retres1~7 := 1; {176105#false} is VALID [2022-02-20 19:55:37,790 INFO L290 TraceCheckUtils]: 57: Hoare triple {176105#false} #res := ~__retres1~7; {176105#false} is VALID [2022-02-20 19:55:37,791 INFO L290 TraceCheckUtils]: 58: Hoare triple {176105#false} assume true; {176105#false} is VALID [2022-02-20 19:55:37,791 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {176105#false} {176105#false} #751#return; {176105#false} is VALID [2022-02-20 19:55:37,791 INFO L290 TraceCheckUtils]: 60: Hoare triple {176105#false} assume -2147483648 <= eval2_#t~ret19#1 && eval2_#t~ret19#1 <= 2147483647;eval2_~tmp~4#1 := eval2_#t~ret19#1;havoc eval2_#t~ret19#1; {176105#false} is VALID [2022-02-20 19:55:37,791 INFO L290 TraceCheckUtils]: 61: Hoare triple {176105#false} assume 0 != eval2_~tmp~4#1; {176105#false} is VALID [2022-02-20 19:55:37,791 INFO L290 TraceCheckUtils]: 62: Hoare triple {176105#false} assume 0 == ~m_st~0;havoc eval2_~tmp_ndt_1~0#1;assume -2147483648 <= eval2_#t~nondet20#1 && eval2_#t~nondet20#1 <= 2147483647;eval2_~tmp_ndt_1~0#1 := eval2_#t~nondet20#1;havoc eval2_#t~nondet20#1; {176105#false} is VALID [2022-02-20 19:55:37,791 INFO L290 TraceCheckUtils]: 63: Hoare triple {176105#false} assume 0 != eval2_~tmp_ndt_1~0#1;~m_st~0 := 1;assume { :begin_inline_master } true;havoc master_#t~nondet17#1, master_#t~nondet18#1, master_~tmp_var~0#1;assume -2147483648 <= master_#t~nondet17#1 && master_#t~nondet17#1 <= 2147483647;master_~tmp_var~0#1 := master_#t~nondet17#1;havoc master_#t~nondet17#1; {176105#false} is VALID [2022-02-20 19:55:37,791 INFO L290 TraceCheckUtils]: 64: Hoare triple {176105#false} assume 0 == ~m_pc~0; {176105#false} is VALID [2022-02-20 19:55:37,791 INFO L290 TraceCheckUtils]: 65: Hoare triple {176105#false} assume !false; {176105#false} is VALID [2022-02-20 19:55:37,791 INFO L290 TraceCheckUtils]: 66: Hoare triple {176105#false} assume -2147483648 <= master_#t~nondet18#1 && master_#t~nondet18#1 <= 2147483647;~token~0 := master_#t~nondet18#1;havoc master_#t~nondet18#1;~local~0 := ~token~0;~E_1~0 := 1; {176105#false} is VALID [2022-02-20 19:55:37,791 INFO L272 TraceCheckUtils]: 67: Hoare triple {176105#false} call immediate_notify(); {176105#false} is VALID [2022-02-20 19:55:37,792 INFO L272 TraceCheckUtils]: 68: Hoare triple {176105#false} call activate_threads2(); {176105#false} is VALID [2022-02-20 19:55:37,792 INFO L290 TraceCheckUtils]: 69: Hoare triple {176105#false} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;assume { :begin_inline_is_master_triggered } true;havoc is_master_triggered_#res#1;havoc is_master_triggered_~__retres1~4#1;havoc is_master_triggered_~__retres1~4#1; {176105#false} is VALID [2022-02-20 19:55:37,792 INFO L290 TraceCheckUtils]: 70: Hoare triple {176105#false} assume !(1 == ~m_pc~0); {176105#false} is VALID [2022-02-20 19:55:37,792 INFO L290 TraceCheckUtils]: 71: Hoare triple {176105#false} is_master_triggered_~__retres1~4#1 := 0; {176105#false} is VALID [2022-02-20 19:55:37,792 INFO L290 TraceCheckUtils]: 72: Hoare triple {176105#false} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {176105#false} is VALID [2022-02-20 19:55:37,792 INFO L290 TraceCheckUtils]: 73: Hoare triple {176105#false} #t~ret23#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret23#1 && #t~ret23#1 <= 2147483647;~tmp~5#1 := #t~ret23#1;havoc #t~ret23#1; {176105#false} is VALID [2022-02-20 19:55:37,792 INFO L290 TraceCheckUtils]: 74: Hoare triple {176105#false} assume 0 != ~tmp~5#1;~m_st~0 := 0; {176105#false} is VALID [2022-02-20 19:55:37,792 INFO L290 TraceCheckUtils]: 75: Hoare triple {176105#false} assume { :begin_inline_is_transmit1_triggered } true;havoc is_transmit1_triggered_#res#1;havoc is_transmit1_triggered_~__retres1~5#1;havoc is_transmit1_triggered_~__retres1~5#1; {176105#false} is VALID [2022-02-20 19:55:37,792 INFO L290 TraceCheckUtils]: 76: Hoare triple {176105#false} assume !(1 == ~t1_pc~0); {176105#false} is VALID [2022-02-20 19:55:37,792 INFO L290 TraceCheckUtils]: 77: Hoare triple {176105#false} is_transmit1_triggered_~__retres1~5#1 := 0; {176105#false} is VALID [2022-02-20 19:55:37,793 INFO L290 TraceCheckUtils]: 78: Hoare triple {176105#false} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {176105#false} is VALID [2022-02-20 19:55:37,793 INFO L290 TraceCheckUtils]: 79: Hoare triple {176105#false} #t~ret24#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp___0~2#1 := #t~ret24#1;havoc #t~ret24#1; {176105#false} is VALID [2022-02-20 19:55:37,793 INFO L290 TraceCheckUtils]: 80: Hoare triple {176105#false} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {176105#false} is VALID [2022-02-20 19:55:37,793 INFO L290 TraceCheckUtils]: 81: Hoare triple {176105#false} assume { :begin_inline_is_transmit2_triggered } true;havoc is_transmit2_triggered_#res#1;havoc is_transmit2_triggered_~__retres1~6#1;havoc is_transmit2_triggered_~__retres1~6#1; {176105#false} is VALID [2022-02-20 19:55:37,793 INFO L290 TraceCheckUtils]: 82: Hoare triple {176105#false} assume 1 == ~t2_pc~0; {176105#false} is VALID [2022-02-20 19:55:37,793 INFO L290 TraceCheckUtils]: 83: Hoare triple {176105#false} assume 1 == ~E_2~0;is_transmit2_triggered_~__retres1~6#1 := 1; {176105#false} is VALID [2022-02-20 19:55:37,793 INFO L290 TraceCheckUtils]: 84: Hoare triple {176105#false} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {176105#false} is VALID [2022-02-20 19:55:37,793 INFO L290 TraceCheckUtils]: 85: Hoare triple {176105#false} #t~ret25#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___1~1#1 := #t~ret25#1;havoc #t~ret25#1; {176105#false} is VALID [2022-02-20 19:55:37,793 INFO L290 TraceCheckUtils]: 86: Hoare triple {176105#false} assume 0 != ~tmp___1~1#1;~t2_st~0 := 0; {176105#false} is VALID [2022-02-20 19:55:37,793 INFO L290 TraceCheckUtils]: 87: Hoare triple {176105#false} assume true; {176105#false} is VALID [2022-02-20 19:55:37,794 INFO L284 TraceCheckUtils]: 88: Hoare quadruple {176105#false} {176105#false} #729#return; {176105#false} is VALID [2022-02-20 19:55:37,794 INFO L290 TraceCheckUtils]: 89: Hoare triple {176105#false} assume true; {176105#false} is VALID [2022-02-20 19:55:37,794 INFO L284 TraceCheckUtils]: 90: Hoare quadruple {176105#false} {176105#false} #753#return; {176105#false} is VALID [2022-02-20 19:55:37,794 INFO L290 TraceCheckUtils]: 91: Hoare triple {176105#false} ~E_1~0 := 2;~m_pc~0 := 1;~m_st~0 := 2; {176105#false} is VALID [2022-02-20 19:55:37,794 INFO L290 TraceCheckUtils]: 92: Hoare triple {176105#false} assume { :end_inline_master } true; {176105#false} is VALID [2022-02-20 19:55:37,794 INFO L290 TraceCheckUtils]: 93: Hoare triple {176105#false} assume !(0 == ~t1_st~0); {176105#false} is VALID [2022-02-20 19:55:37,794 INFO L290 TraceCheckUtils]: 94: Hoare triple {176105#false} assume !(0 == ~t2_st~0); {176105#false} is VALID [2022-02-20 19:55:37,794 INFO L290 TraceCheckUtils]: 95: Hoare triple {176105#false} assume !false; {176105#false} is VALID [2022-02-20 19:55:37,794 INFO L272 TraceCheckUtils]: 96: Hoare triple {176105#false} call eval2_#t~ret19#1 := exists_runnable_thread2(); {176105#false} is VALID [2022-02-20 19:55:37,794 INFO L290 TraceCheckUtils]: 97: Hoare triple {176105#false} havoc ~__retres1~7; {176105#false} is VALID [2022-02-20 19:55:37,795 INFO L290 TraceCheckUtils]: 98: Hoare triple {176105#false} assume 0 == ~m_st~0;~__retres1~7 := 1; {176105#false} is VALID [2022-02-20 19:55:37,795 INFO L290 TraceCheckUtils]: 99: Hoare triple {176105#false} #res := ~__retres1~7; {176105#false} is VALID [2022-02-20 19:55:37,795 INFO L290 TraceCheckUtils]: 100: Hoare triple {176105#false} assume true; {176105#false} is VALID [2022-02-20 19:55:37,795 INFO L284 TraceCheckUtils]: 101: Hoare quadruple {176105#false} {176105#false} #751#return; {176105#false} is VALID [2022-02-20 19:55:37,795 INFO L290 TraceCheckUtils]: 102: Hoare triple {176105#false} assume -2147483648 <= eval2_#t~ret19#1 && eval2_#t~ret19#1 <= 2147483647;eval2_~tmp~4#1 := eval2_#t~ret19#1;havoc eval2_#t~ret19#1; {176105#false} is VALID [2022-02-20 19:55:37,795 INFO L290 TraceCheckUtils]: 103: Hoare triple {176105#false} assume 0 != eval2_~tmp~4#1; {176105#false} is VALID [2022-02-20 19:55:37,795 INFO L290 TraceCheckUtils]: 104: Hoare triple {176105#false} assume 0 == ~m_st~0;havoc eval2_~tmp_ndt_1~0#1;assume -2147483648 <= eval2_#t~nondet20#1 && eval2_#t~nondet20#1 <= 2147483647;eval2_~tmp_ndt_1~0#1 := eval2_#t~nondet20#1;havoc eval2_#t~nondet20#1; {176105#false} is VALID [2022-02-20 19:55:37,795 INFO L290 TraceCheckUtils]: 105: Hoare triple {176105#false} assume 0 != eval2_~tmp_ndt_1~0#1;~m_st~0 := 1;assume { :begin_inline_master } true;havoc master_#t~nondet17#1, master_#t~nondet18#1, master_~tmp_var~0#1;assume -2147483648 <= master_#t~nondet17#1 && master_#t~nondet17#1 <= 2147483647;master_~tmp_var~0#1 := master_#t~nondet17#1;havoc master_#t~nondet17#1; {176105#false} is VALID [2022-02-20 19:55:37,795 INFO L290 TraceCheckUtils]: 106: Hoare triple {176105#false} assume !(0 == ~m_pc~0); {176105#false} is VALID [2022-02-20 19:55:37,796 INFO L290 TraceCheckUtils]: 107: Hoare triple {176105#false} assume 1 == ~m_pc~0; {176105#false} is VALID [2022-02-20 19:55:37,796 INFO L290 TraceCheckUtils]: 108: Hoare triple {176105#false} assume ~token~0 != 2 + ~local~0; {176105#false} is VALID [2022-02-20 19:55:37,796 INFO L272 TraceCheckUtils]: 109: Hoare triple {176105#false} call error2(); {176105#false} is VALID [2022-02-20 19:55:37,796 INFO L290 TraceCheckUtils]: 110: Hoare triple {176105#false} assume !false; {176105#false} is VALID [2022-02-20 19:55:37,796 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-20 19:55:37,796 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 19:55:37,796 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813585114] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:55:37,796 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-20 19:55:37,797 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-02-20 19:55:37,797 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243947745] [2022-02-20 19:55:37,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:55:37,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 111 [2022-02-20 19:55:37,798 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:55:37,798 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-02-20 19:55:37,847 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 95 edges. 95 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:37,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 19:55:37,848 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:55:37,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 19:55:37,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-02-20 19:55:37,848 INFO L87 Difference]: Start difference. First operand 2804 states and 4043 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7)