./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.04.cil-1.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.04.cil-1.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 82bdcd0599c1cc352b3450b4e917b8a69eeb254589d3b948d4951dae1b33e3d4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 19:54:44,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 19:54:44,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 19:54:44,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 19:54:44,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 19:54:44,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 19:54:44,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 19:54:44,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 19:54:44,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 19:54:44,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 19:54:44,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 19:54:44,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 19:54:44,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 19:54:44,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 19:54:44,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 19:54:44,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 19:54:44,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 19:54:45,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 19:54:45,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 19:54:45,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 19:54:45,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 19:54:45,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 19:54:45,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 19:54:45,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 19:54:45,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 19:54:45,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 19:54:45,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 19:54:45,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 19:54:45,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 19:54:45,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 19:54:45,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 19:54:45,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 19:54:45,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 19:54:45,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 19:54:45,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 19:54:45,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 19:54:45,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 19:54:45,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 19:54:45,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 19:54:45,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 19:54:45,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 19:54:45,030 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 19:54:45,049 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 19:54:45,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 19:54:45,057 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 19:54:45,057 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 19:54:45,057 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 19:54:45,058 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 19:54:45,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 19:54:45,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 19:54:45,059 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 19:54:45,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 19:54:45,060 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 19:54:45,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 19:54:45,060 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 19:54:45,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 19:54:45,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 19:54:45,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 19:54:45,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 19:54:45,061 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 19:54:45,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 19:54:45,061 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 19:54:45,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 19:54:45,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 19:54:45,062 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 19:54:45,062 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 19:54:45,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 19:54:45,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 19:54:45,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 19:54:45,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 19:54:45,064 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 19:54:45,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 19:54:45,065 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 19:54:45,065 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 19:54:45,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 19:54:45,065 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82bdcd0599c1cc352b3450b4e917b8a69eeb254589d3b948d4951dae1b33e3d4 [2022-02-20 19:54:45,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 19:54:45,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 19:54:45,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 19:54:45,297 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 19:54:45,297 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 19:54:45,298 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.04.cil-1.c [2022-02-20 19:54:45,351 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3337da826/4048d512800b4f8886b562400bb49750/FLAGa5cc7d081 [2022-02-20 19:54:45,767 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 19:54:45,768 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.04.cil-1.c [2022-02-20 19:54:45,777 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3337da826/4048d512800b4f8886b562400bb49750/FLAGa5cc7d081 [2022-02-20 19:54:45,791 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3337da826/4048d512800b4f8886b562400bb49750 [2022-02-20 19:54:45,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 19:54:45,794 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 19:54:45,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 19:54:45,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 19:54:45,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 19:54:45,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 07:54:45" (1/1) ... [2022-02-20 19:54:45,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a252ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:54:45, skipping insertion in model container [2022-02-20 19:54:45,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 07:54:45" (1/1) ... [2022-02-20 19:54:45,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 19:54:45,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 19:54:45,982 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.04.cil-1.c[913,926] [2022-02-20 19:54:46,017 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.04.cil-1.c[5977,5990] [2022-02-20 19:54:46,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 19:54:46,091 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 19:54:46,101 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.04.cil-1.c[913,926] [2022-02-20 19:54:46,118 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.04.cil-1.c[5977,5990] [2022-02-20 19:54:46,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 19:54:46,162 INFO L208 MainTranslator]: Completed translation [2022-02-20 19:54:46,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:54:46 WrapperNode [2022-02-20 19:54:46,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 19:54:46,164 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 19:54:46,164 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 19:54:46,164 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 19:54:46,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:54:46" (1/1) ... [2022-02-20 19:54:46,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:54:46" (1/1) ... [2022-02-20 19:54:46,227 INFO L137 Inliner]: procedures = 56, calls = 60, calls flagged for inlining = 31, calls inlined = 31, statements flattened = 591 [2022-02-20 19:54:46,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 19:54:46,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 19:54:46,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 19:54:46,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 19:54:46,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:54:46" (1/1) ... [2022-02-20 19:54:46,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:54:46" (1/1) ... [2022-02-20 19:54:46,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:54:46" (1/1) ... [2022-02-20 19:54:46,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:54:46" (1/1) ... [2022-02-20 19:54:46,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:54:46" (1/1) ... [2022-02-20 19:54:46,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:54:46" (1/1) ... [2022-02-20 19:54:46,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:54:46" (1/1) ... [2022-02-20 19:54:46,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 19:54:46,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 19:54:46,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 19:54:46,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 19:54:46,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:54:46" (1/1) ... [2022-02-20 19:54:46,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 19:54:46,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 19:54:46,330 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 19:54:46,339 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 19:54:46,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 19:54:46,359 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-02-20 19:54:46,359 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-02-20 19:54:46,359 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2022-02-20 19:54:46,360 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2022-02-20 19:54:46,361 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2022-02-20 19:54:46,361 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2022-02-20 19:54:46,361 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2022-02-20 19:54:46,361 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2022-02-20 19:54:46,361 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2022-02-20 19:54:46,361 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2022-02-20 19:54:46,362 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2022-02-20 19:54:46,362 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2022-02-20 19:54:46,362 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2022-02-20 19:54:46,362 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2022-02-20 19:54:46,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 19:54:46,362 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2022-02-20 19:54:46,362 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2022-02-20 19:54:46,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 19:54:46,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 19:54:46,362 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2022-02-20 19:54:46,362 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2022-02-20 19:54:46,439 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 19:54:46,441 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 19:54:47,055 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 19:54:47,070 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 19:54:47,072 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2022-02-20 19:54:47,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 07:54:47 BoogieIcfgContainer [2022-02-20 19:54:47,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 19:54:47,076 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 19:54:47,076 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 19:54:47,079 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 19:54:47,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 07:54:45" (1/3) ... [2022-02-20 19:54:47,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f6b1376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 07:54:47, skipping insertion in model container [2022-02-20 19:54:47,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:54:46" (2/3) ... [2022-02-20 19:54:47,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f6b1376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 07:54:47, skipping insertion in model container [2022-02-20 19:54:47,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 07:54:47" (3/3) ... [2022-02-20 19:54:47,083 INFO L111 eAbstractionObserver]: Analyzing ICFG pc_sfifo_1.cil-2+token_ring.04.cil-1.c [2022-02-20 19:54:47,087 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 19:54:47,088 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-02-20 19:54:47,135 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 19:54:47,143 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 19:54:47,143 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-20 19:54:47,181 INFO L276 IsEmpty]: Start isEmpty. Operand has 254 states, 218 states have (on average 1.5963302752293578) internal successors, (348), 223 states have internal predecessors, (348), 24 states have call successors, (24), 9 states have call predecessors, (24), 9 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2022-02-20 19:54:47,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-02-20 19:54:47,188 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:54:47,189 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 19:54:47,189 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:54:47,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:54:47,193 INFO L85 PathProgramCache]: Analyzing trace with hash -633619078, now seen corresponding path program 1 times [2022-02-20 19:54:47,201 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:54:47,201 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543176004] [2022-02-20 19:54:47,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:54:47,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:54:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:47,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 19:54:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:47,474 INFO L290 TraceCheckUtils]: 0: Hoare triple {257#true} havoc ~__retres1~2; {257#true} is VALID [2022-02-20 19:54:47,475 INFO L290 TraceCheckUtils]: 1: Hoare triple {257#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {259#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:47,475 INFO L290 TraceCheckUtils]: 2: Hoare triple {259#(= ~p_dw_st~0 0)} #res := ~__retres1~2; {259#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:47,476 INFO L290 TraceCheckUtils]: 3: Hoare triple {259#(= ~p_dw_st~0 0)} assume true; {259#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:47,477 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {259#(= ~p_dw_st~0 0)} {259#(= ~p_dw_st~0 0)} #926#return; {259#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:47,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-20 19:54:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:47,513 INFO L290 TraceCheckUtils]: 0: Hoare triple {279#(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; {257#true} is VALID [2022-02-20 19:54:47,514 INFO L290 TraceCheckUtils]: 1: Hoare triple {257#true} assume 1 == ~p_dw_pc~0; {257#true} is VALID [2022-02-20 19:54:47,514 INFO L290 TraceCheckUtils]: 2: Hoare triple {257#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {257#true} is VALID [2022-02-20 19:54:47,514 INFO L290 TraceCheckUtils]: 3: Hoare triple {257#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {257#true} is VALID [2022-02-20 19:54:47,514 INFO L290 TraceCheckUtils]: 4: Hoare triple {257#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; {257#true} is VALID [2022-02-20 19:54:47,514 INFO L290 TraceCheckUtils]: 5: Hoare triple {257#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {257#true} is VALID [2022-02-20 19:54:47,515 INFO L290 TraceCheckUtils]: 6: Hoare triple {257#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; {257#true} is VALID [2022-02-20 19:54:47,515 INFO L290 TraceCheckUtils]: 7: Hoare triple {257#true} assume !(1 == ~c_dr_pc~0); {257#true} is VALID [2022-02-20 19:54:47,515 INFO L290 TraceCheckUtils]: 8: Hoare triple {257#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {257#true} is VALID [2022-02-20 19:54:47,516 INFO L290 TraceCheckUtils]: 9: Hoare triple {257#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {257#true} is VALID [2022-02-20 19:54:47,516 INFO L290 TraceCheckUtils]: 10: Hoare triple {257#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; {257#true} is VALID [2022-02-20 19:54:47,516 INFO L290 TraceCheckUtils]: 11: Hoare triple {257#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {257#true} is VALID [2022-02-20 19:54:47,516 INFO L290 TraceCheckUtils]: 12: Hoare triple {257#true} assume true; {257#true} is VALID [2022-02-20 19:54:47,517 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {257#true} {258#false} #930#return; {258#false} is VALID [2022-02-20 19:54:47,517 INFO L290 TraceCheckUtils]: 0: Hoare triple {257#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;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0; {257#true} is VALID [2022-02-20 19:54:47,517 INFO L290 TraceCheckUtils]: 1: Hoare triple {257#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet32#1, main_#t~ret33#1, main_#t~ret34#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {257#true} is VALID [2022-02-20 19:54:47,518 INFO L290 TraceCheckUtils]: 2: Hoare triple {257#true} assume 0 != main_#t~nondet32#1;havoc main_#t~nondet32#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; {257#true} is VALID [2022-02-20 19:54:47,518 INFO L290 TraceCheckUtils]: 3: Hoare triple {257#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; {257#true} is VALID [2022-02-20 19:54:47,519 INFO L290 TraceCheckUtils]: 4: Hoare triple {257#true} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {259#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:47,519 INFO L290 TraceCheckUtils]: 5: Hoare triple {259#(= ~p_dw_st~0 0)} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {259#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:47,520 INFO L290 TraceCheckUtils]: 6: Hoare triple {259#(= ~p_dw_st~0 0)} assume { :end_inline_init_threads1 } true; {259#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:47,520 INFO L290 TraceCheckUtils]: 7: Hoare triple {259#(= ~p_dw_st~0 0)} assume !false; {259#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:47,521 INFO L290 TraceCheckUtils]: 8: Hoare triple {259#(= ~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; {259#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:47,522 INFO L290 TraceCheckUtils]: 9: Hoare triple {259#(= ~p_dw_st~0 0)} assume !false; {259#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:47,522 INFO L272 TraceCheckUtils]: 10: Hoare triple {259#(= ~p_dw_st~0 0)} call eval1_#t~ret8#1 := exists_runnable_thread1(); {257#true} is VALID [2022-02-20 19:54:47,522 INFO L290 TraceCheckUtils]: 11: Hoare triple {257#true} havoc ~__retres1~2; {257#true} is VALID [2022-02-20 19:54:47,523 INFO L290 TraceCheckUtils]: 12: Hoare triple {257#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {259#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:47,523 INFO L290 TraceCheckUtils]: 13: Hoare triple {259#(= ~p_dw_st~0 0)} #res := ~__retres1~2; {259#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:47,524 INFO L290 TraceCheckUtils]: 14: Hoare triple {259#(= ~p_dw_st~0 0)} assume true; {259#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:47,525 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {259#(= ~p_dw_st~0 0)} {259#(= ~p_dw_st~0 0)} #926#return; {259#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:47,526 INFO L290 TraceCheckUtils]: 16: Hoare triple {259#(= ~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; {259#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:47,526 INFO L290 TraceCheckUtils]: 17: Hoare triple {259#(= ~p_dw_st~0 0)} assume 0 != eval1_~tmp___1~0#1; {259#(= ~p_dw_st~0 0)} is VALID [2022-02-20 19:54:47,527 INFO L290 TraceCheckUtils]: 18: Hoare triple {259#(= ~p_dw_st~0 0)} assume !(0 == ~p_dw_st~0); {258#false} is VALID [2022-02-20 19:54:47,527 INFO L290 TraceCheckUtils]: 19: Hoare triple {258#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; {258#false} is VALID [2022-02-20 19:54:47,528 INFO L290 TraceCheckUtils]: 20: Hoare triple {258#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; {258#false} is VALID [2022-02-20 19:54:47,528 INFO L290 TraceCheckUtils]: 21: Hoare triple {258#false} assume 0 == ~c_dr_pc~0; {258#false} is VALID [2022-02-20 19:54:47,528 INFO L290 TraceCheckUtils]: 22: Hoare triple {258#false} assume !false; {258#false} is VALID [2022-02-20 19:54:47,529 INFO L290 TraceCheckUtils]: 23: Hoare triple {258#false} assume !(1 == ~q_free~0); {258#false} is VALID [2022-02-20 19:54:47,529 INFO L290 TraceCheckUtils]: 24: Hoare triple {258#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; {258#false} is VALID [2022-02-20 19:54:47,529 INFO L272 TraceCheckUtils]: 25: Hoare triple {258#false} call immediate_notify_threads(); {279#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:54:47,530 INFO L290 TraceCheckUtils]: 26: Hoare triple {279#(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; {257#true} is VALID [2022-02-20 19:54:47,530 INFO L290 TraceCheckUtils]: 27: Hoare triple {257#true} assume 1 == ~p_dw_pc~0; {257#true} is VALID [2022-02-20 19:54:47,530 INFO L290 TraceCheckUtils]: 28: Hoare triple {257#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {257#true} is VALID [2022-02-20 19:54:47,530 INFO L290 TraceCheckUtils]: 29: Hoare triple {257#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {257#true} is VALID [2022-02-20 19:54:47,534 INFO L290 TraceCheckUtils]: 30: Hoare triple {257#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; {257#true} is VALID [2022-02-20 19:54:47,534 INFO L290 TraceCheckUtils]: 31: Hoare triple {257#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {257#true} is VALID [2022-02-20 19:54:47,535 INFO L290 TraceCheckUtils]: 32: Hoare triple {257#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; {257#true} is VALID [2022-02-20 19:54:47,536 INFO L290 TraceCheckUtils]: 33: Hoare triple {257#true} assume !(1 == ~c_dr_pc~0); {257#true} is VALID [2022-02-20 19:54:47,536 INFO L290 TraceCheckUtils]: 34: Hoare triple {257#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {257#true} is VALID [2022-02-20 19:54:47,536 INFO L290 TraceCheckUtils]: 35: Hoare triple {257#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {257#true} is VALID [2022-02-20 19:54:47,537 INFO L290 TraceCheckUtils]: 36: Hoare triple {257#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; {257#true} is VALID [2022-02-20 19:54:47,539 INFO L290 TraceCheckUtils]: 37: Hoare triple {257#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {257#true} is VALID [2022-02-20 19:54:47,540 INFO L290 TraceCheckUtils]: 38: Hoare triple {257#true} assume true; {257#true} is VALID [2022-02-20 19:54:47,540 INFO L284 TraceCheckUtils]: 39: Hoare quadruple {257#true} {258#false} #930#return; {258#false} is VALID [2022-02-20 19:54:47,540 INFO L290 TraceCheckUtils]: 40: Hoare triple {258#false} ~q_read_ev~0 := 2; {258#false} is VALID [2022-02-20 19:54:47,541 INFO L290 TraceCheckUtils]: 41: Hoare triple {258#false} assume !(~p_last_write~0 == ~c_last_read~0); {258#false} is VALID [2022-02-20 19:54:47,541 INFO L272 TraceCheckUtils]: 42: Hoare triple {258#false} call error1(); {258#false} is VALID [2022-02-20 19:54:47,541 INFO L290 TraceCheckUtils]: 43: Hoare triple {258#false} assume !false; {258#false} is VALID [2022-02-20 19:54:47,542 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 19:54:47,543 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:54:47,543 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543176004] [2022-02-20 19:54:47,544 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543176004] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:54:47,544 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 19:54:47,544 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 19:54:47,546 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576420900] [2022-02-20 19:54:47,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:54:47,551 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 19:54:47,552 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:54:47,554 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 19:54:47,590 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 19:54:47,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 19:54:47,590 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:54:47,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 19:54:47,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 19:54:47,617 INFO L87 Difference]: Start difference. First operand has 254 states, 218 states have (on average 1.5963302752293578) internal successors, (348), 223 states have internal predecessors, (348), 24 states have call successors, (24), 9 states have call predecessors, (24), 9 states have return successors, (24), 23 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 19:54:48,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:48,458 INFO L93 Difference]: Finished difference Result 561 states and 876 transitions. [2022-02-20 19:54:48,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 19:54:48,459 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 19:54:48,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:54:48,460 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 19:54:48,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 876 transitions. [2022-02-20 19:54:48,494 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 19:54:48,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 876 transitions. [2022-02-20 19:54:48,511 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 876 transitions. [2022-02-20 19:54:49,190 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 876 edges. 876 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:54:49,215 INFO L225 Difference]: With dead ends: 561 [2022-02-20 19:54:49,215 INFO L226 Difference]: Without dead ends: 314 [2022-02-20 19:54:49,219 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 19:54:49,222 INFO L933 BasicCegarLoop]: 385 mSDtfsCounter, 464 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 19:54:49,222 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [482 Valid, 648 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 19:54:49,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2022-02-20 19:54:49,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 308. [2022-02-20 19:54:49,265 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:54:49,268 INFO L82 GeneralOperation]: Start isEquivalent. First operand 314 states. Second operand has 308 states, 267 states have (on average 1.4644194756554307) internal successors, (391), 271 states have internal predecessors, (391), 28 states have call successors, (28), 11 states have call predecessors, (28), 11 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) [2022-02-20 19:54:49,269 INFO L74 IsIncluded]: Start isIncluded. First operand 314 states. Second operand has 308 states, 267 states have (on average 1.4644194756554307) internal successors, (391), 271 states have internal predecessors, (391), 28 states have call successors, (28), 11 states have call predecessors, (28), 11 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) [2022-02-20 19:54:49,270 INFO L87 Difference]: Start difference. First operand 314 states. Second operand has 308 states, 267 states have (on average 1.4644194756554307) internal successors, (391), 271 states have internal predecessors, (391), 28 states have call successors, (28), 11 states have call predecessors, (28), 11 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) [2022-02-20 19:54:49,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:49,289 INFO L93 Difference]: Finished difference Result 314 states and 457 transitions. [2022-02-20 19:54:49,289 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 457 transitions. [2022-02-20 19:54:49,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:49,293 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:49,294 INFO L74 IsIncluded]: Start isIncluded. First operand has 308 states, 267 states have (on average 1.4644194756554307) internal successors, (391), 271 states have internal predecessors, (391), 28 states have call successors, (28), 11 states have call predecessors, (28), 11 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) Second operand 314 states. [2022-02-20 19:54:49,295 INFO L87 Difference]: Start difference. First operand has 308 states, 267 states have (on average 1.4644194756554307) internal successors, (391), 271 states have internal predecessors, (391), 28 states have call successors, (28), 11 states have call predecessors, (28), 11 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) Second operand 314 states. [2022-02-20 19:54:49,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:49,311 INFO L93 Difference]: Finished difference Result 314 states and 457 transitions. [2022-02-20 19:54:49,311 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 457 transitions. [2022-02-20 19:54:49,312 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:49,312 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:49,313 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:54:49,313 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:54:49,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 267 states have (on average 1.4644194756554307) internal successors, (391), 271 states have internal predecessors, (391), 28 states have call successors, (28), 11 states have call predecessors, (28), 11 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) [2022-02-20 19:54:49,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 451 transitions. [2022-02-20 19:54:49,333 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 451 transitions. Word has length 44 [2022-02-20 19:54:49,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:54:49,334 INFO L470 AbstractCegarLoop]: Abstraction has 308 states and 451 transitions. [2022-02-20 19:54:49,335 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 19:54:49,335 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 451 transitions. [2022-02-20 19:54:49,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-02-20 19:54:49,337 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:54:49,337 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 19:54:49,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 19:54:49,337 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:54:49,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:54:49,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1748999333, now seen corresponding path program 1 times [2022-02-20 19:54:49,339 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:54:49,340 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752603623] [2022-02-20 19:54:49,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:54:49,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:54:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:49,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 19:54:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:49,421 INFO L290 TraceCheckUtils]: 0: Hoare triple {2091#true} havoc ~__retres1~2; {2091#true} is VALID [2022-02-20 19:54:49,421 INFO L290 TraceCheckUtils]: 1: Hoare triple {2091#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {2091#true} is VALID [2022-02-20 19:54:49,421 INFO L290 TraceCheckUtils]: 2: Hoare triple {2091#true} #res := ~__retres1~2; {2091#true} is VALID [2022-02-20 19:54:49,421 INFO L290 TraceCheckUtils]: 3: Hoare triple {2091#true} assume true; {2091#true} is VALID [2022-02-20 19:54:49,422 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {2091#true} {2093#(= ~q_free~0 1)} #926#return; {2093#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:49,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-02-20 19:54:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:49,436 INFO L290 TraceCheckUtils]: 0: Hoare triple {2113#(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; {2091#true} is VALID [2022-02-20 19:54:49,436 INFO L290 TraceCheckUtils]: 1: Hoare triple {2091#true} assume 1 == ~p_dw_pc~0; {2091#true} is VALID [2022-02-20 19:54:49,437 INFO L290 TraceCheckUtils]: 2: Hoare triple {2091#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {2091#true} is VALID [2022-02-20 19:54:49,437 INFO L290 TraceCheckUtils]: 3: Hoare triple {2091#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {2091#true} is VALID [2022-02-20 19:54:49,437 INFO L290 TraceCheckUtils]: 4: Hoare triple {2091#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; {2091#true} is VALID [2022-02-20 19:54:49,437 INFO L290 TraceCheckUtils]: 5: Hoare triple {2091#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {2091#true} is VALID [2022-02-20 19:54:49,438 INFO L290 TraceCheckUtils]: 6: Hoare triple {2091#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; {2091#true} is VALID [2022-02-20 19:54:49,438 INFO L290 TraceCheckUtils]: 7: Hoare triple {2091#true} assume !(1 == ~c_dr_pc~0); {2091#true} is VALID [2022-02-20 19:54:49,438 INFO L290 TraceCheckUtils]: 8: Hoare triple {2091#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {2091#true} is VALID [2022-02-20 19:54:49,438 INFO L290 TraceCheckUtils]: 9: Hoare triple {2091#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {2091#true} is VALID [2022-02-20 19:54:49,438 INFO L290 TraceCheckUtils]: 10: Hoare triple {2091#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; {2091#true} is VALID [2022-02-20 19:54:49,439 INFO L290 TraceCheckUtils]: 11: Hoare triple {2091#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {2091#true} is VALID [2022-02-20 19:54:49,439 INFO L290 TraceCheckUtils]: 12: Hoare triple {2091#true} assume true; {2091#true} is VALID [2022-02-20 19:54:49,439 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {2091#true} {2092#false} #930#return; {2092#false} is VALID [2022-02-20 19:54:49,439 INFO L290 TraceCheckUtils]: 0: Hoare triple {2091#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;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0; {2091#true} is VALID [2022-02-20 19:54:49,440 INFO L290 TraceCheckUtils]: 1: Hoare triple {2091#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet32#1, main_#t~ret33#1, main_#t~ret34#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {2091#true} is VALID [2022-02-20 19:54:49,440 INFO L290 TraceCheckUtils]: 2: Hoare triple {2091#true} assume 0 != main_#t~nondet32#1;havoc main_#t~nondet32#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; {2093#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:49,441 INFO L290 TraceCheckUtils]: 3: Hoare triple {2093#(= ~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; {2093#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:49,441 INFO L290 TraceCheckUtils]: 4: Hoare triple {2093#(= ~q_free~0 1)} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {2093#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:49,441 INFO L290 TraceCheckUtils]: 5: Hoare triple {2093#(= ~q_free~0 1)} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {2093#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:49,442 INFO L290 TraceCheckUtils]: 6: Hoare triple {2093#(= ~q_free~0 1)} assume { :end_inline_init_threads1 } true; {2093#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:49,442 INFO L290 TraceCheckUtils]: 7: Hoare triple {2093#(= ~q_free~0 1)} assume !false; {2093#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:49,443 INFO L290 TraceCheckUtils]: 8: Hoare triple {2093#(= ~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; {2093#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:49,443 INFO L290 TraceCheckUtils]: 9: Hoare triple {2093#(= ~q_free~0 1)} assume !false; {2093#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:49,443 INFO L272 TraceCheckUtils]: 10: Hoare triple {2093#(= ~q_free~0 1)} call eval1_#t~ret8#1 := exists_runnable_thread1(); {2091#true} is VALID [2022-02-20 19:54:49,444 INFO L290 TraceCheckUtils]: 11: Hoare triple {2091#true} havoc ~__retres1~2; {2091#true} is VALID [2022-02-20 19:54:49,444 INFO L290 TraceCheckUtils]: 12: Hoare triple {2091#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {2091#true} is VALID [2022-02-20 19:54:49,444 INFO L290 TraceCheckUtils]: 13: Hoare triple {2091#true} #res := ~__retres1~2; {2091#true} is VALID [2022-02-20 19:54:49,444 INFO L290 TraceCheckUtils]: 14: Hoare triple {2091#true} assume true; {2091#true} is VALID [2022-02-20 19:54:49,445 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {2091#true} {2093#(= ~q_free~0 1)} #926#return; {2093#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:49,445 INFO L290 TraceCheckUtils]: 16: Hoare triple {2093#(= ~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; {2093#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:49,446 INFO L290 TraceCheckUtils]: 17: Hoare triple {2093#(= ~q_free~0 1)} assume 0 != eval1_~tmp___1~0#1; {2093#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:49,446 INFO L290 TraceCheckUtils]: 18: Hoare triple {2093#(= ~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; {2093#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:49,446 INFO L290 TraceCheckUtils]: 19: Hoare triple {2093#(= ~q_free~0 1)} assume !(0 != eval1_~tmp~1#1); {2093#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:49,447 INFO L290 TraceCheckUtils]: 20: Hoare triple {2093#(= ~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; {2093#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:49,447 INFO L290 TraceCheckUtils]: 21: Hoare triple {2093#(= ~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; {2093#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:49,448 INFO L290 TraceCheckUtils]: 22: Hoare triple {2093#(= ~q_free~0 1)} assume 0 == ~c_dr_pc~0; {2093#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:49,448 INFO L290 TraceCheckUtils]: 23: Hoare triple {2093#(= ~q_free~0 1)} assume !false; {2093#(= ~q_free~0 1)} is VALID [2022-02-20 19:54:49,449 INFO L290 TraceCheckUtils]: 24: Hoare triple {2093#(= ~q_free~0 1)} assume !(1 == ~q_free~0); {2092#false} is VALID [2022-02-20 19:54:49,449 INFO L290 TraceCheckUtils]: 25: Hoare triple {2092#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; {2092#false} is VALID [2022-02-20 19:54:49,449 INFO L272 TraceCheckUtils]: 26: Hoare triple {2092#false} call immediate_notify_threads(); {2113#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:54:49,449 INFO L290 TraceCheckUtils]: 27: Hoare triple {2113#(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; {2091#true} is VALID [2022-02-20 19:54:49,450 INFO L290 TraceCheckUtils]: 28: Hoare triple {2091#true} assume 1 == ~p_dw_pc~0; {2091#true} is VALID [2022-02-20 19:54:49,450 INFO L290 TraceCheckUtils]: 29: Hoare triple {2091#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {2091#true} is VALID [2022-02-20 19:54:49,450 INFO L290 TraceCheckUtils]: 30: Hoare triple {2091#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {2091#true} is VALID [2022-02-20 19:54:49,450 INFO L290 TraceCheckUtils]: 31: Hoare triple {2091#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; {2091#true} is VALID [2022-02-20 19:54:49,450 INFO L290 TraceCheckUtils]: 32: Hoare triple {2091#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {2091#true} is VALID [2022-02-20 19:54:49,451 INFO L290 TraceCheckUtils]: 33: Hoare triple {2091#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; {2091#true} is VALID [2022-02-20 19:54:49,451 INFO L290 TraceCheckUtils]: 34: Hoare triple {2091#true} assume !(1 == ~c_dr_pc~0); {2091#true} is VALID [2022-02-20 19:54:49,451 INFO L290 TraceCheckUtils]: 35: Hoare triple {2091#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {2091#true} is VALID [2022-02-20 19:54:49,451 INFO L290 TraceCheckUtils]: 36: Hoare triple {2091#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {2091#true} is VALID [2022-02-20 19:54:49,451 INFO L290 TraceCheckUtils]: 37: Hoare triple {2091#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; {2091#true} is VALID [2022-02-20 19:54:49,452 INFO L290 TraceCheckUtils]: 38: Hoare triple {2091#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {2091#true} is VALID [2022-02-20 19:54:49,452 INFO L290 TraceCheckUtils]: 39: Hoare triple {2091#true} assume true; {2091#true} is VALID [2022-02-20 19:54:49,452 INFO L284 TraceCheckUtils]: 40: Hoare quadruple {2091#true} {2092#false} #930#return; {2092#false} is VALID [2022-02-20 19:54:49,452 INFO L290 TraceCheckUtils]: 41: Hoare triple {2092#false} ~q_read_ev~0 := 2; {2092#false} is VALID [2022-02-20 19:54:49,452 INFO L290 TraceCheckUtils]: 42: Hoare triple {2092#false} assume !(~p_last_write~0 == ~c_last_read~0); {2092#false} is VALID [2022-02-20 19:54:49,453 INFO L272 TraceCheckUtils]: 43: Hoare triple {2092#false} call error1(); {2092#false} is VALID [2022-02-20 19:54:49,453 INFO L290 TraceCheckUtils]: 44: Hoare triple {2092#false} assume !false; {2092#false} is VALID [2022-02-20 19:54:49,453 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 19:54:49,454 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:54:49,454 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752603623] [2022-02-20 19:54:49,454 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752603623] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:54:49,454 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 19:54:49,454 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 19:54:49,455 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183094722] [2022-02-20 19:54:49,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:54:49,456 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 19:54:49,456 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:54:49,457 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 19:54:49,494 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 19:54:49,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 19:54:49,495 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:54:49,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 19:54:49,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 19:54:49,496 INFO L87 Difference]: Start difference. First operand 308 states and 451 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 19:54:50,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:50,233 INFO L93 Difference]: Finished difference Result 556 states and 791 transitions. [2022-02-20 19:54:50,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 19:54:50,234 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 19:54:50,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:54:50,234 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 19:54:50,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 539 transitions. [2022-02-20 19:54:50,241 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 19:54:50,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 539 transitions. [2022-02-20 19:54:50,247 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 539 transitions. [2022-02-20 19:54:50,657 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 539 edges. 539 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:54:50,674 INFO L225 Difference]: With dead ends: 556 [2022-02-20 19:54:50,675 INFO L226 Difference]: Without dead ends: 432 [2022-02-20 19:54:50,676 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 19:54:50,677 INFO L933 BasicCegarLoop]: 406 mSDtfsCounter, 208 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 808 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 19:54:50,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [210 Valid, 808 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 19:54:50,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2022-02-20 19:54:50,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 375. [2022-02-20 19:54:50,700 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:54:50,701 INFO L82 GeneralOperation]: Start isEquivalent. First operand 432 states. Second operand has 375 states, 328 states have (on average 1.4481707317073171) internal successors, (475), 332 states have internal predecessors, (475), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (35), 29 states have call predecessors, (35), 29 states have call successors, (35) [2022-02-20 19:54:50,702 INFO L74 IsIncluded]: Start isIncluded. First operand 432 states. Second operand has 375 states, 328 states have (on average 1.4481707317073171) internal successors, (475), 332 states have internal predecessors, (475), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (35), 29 states have call predecessors, (35), 29 states have call successors, (35) [2022-02-20 19:54:50,704 INFO L87 Difference]: Start difference. First operand 432 states. Second operand has 375 states, 328 states have (on average 1.4481707317073171) internal successors, (475), 332 states have internal predecessors, (475), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (35), 29 states have call predecessors, (35), 29 states have call successors, (35) [2022-02-20 19:54:50,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:50,722 INFO L93 Difference]: Finished difference Result 432 states and 615 transitions. [2022-02-20 19:54:50,723 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 615 transitions. [2022-02-20 19:54:50,724 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:50,724 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:50,726 INFO L74 IsIncluded]: Start isIncluded. First operand has 375 states, 328 states have (on average 1.4481707317073171) internal successors, (475), 332 states have internal predecessors, (475), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (35), 29 states have call predecessors, (35), 29 states have call successors, (35) Second operand 432 states. [2022-02-20 19:54:50,727 INFO L87 Difference]: Start difference. First operand has 375 states, 328 states have (on average 1.4481707317073171) internal successors, (475), 332 states have internal predecessors, (475), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (35), 29 states have call predecessors, (35), 29 states have call successors, (35) Second operand 432 states. [2022-02-20 19:54:50,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:50,747 INFO L93 Difference]: Finished difference Result 432 states and 615 transitions. [2022-02-20 19:54:50,747 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 615 transitions. [2022-02-20 19:54:50,748 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:50,749 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:50,749 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:54:50,749 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:54:50,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 328 states have (on average 1.4481707317073171) internal successors, (475), 332 states have internal predecessors, (475), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (35), 29 states have call predecessors, (35), 29 states have call successors, (35) [2022-02-20 19:54:50,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 541 transitions. [2022-02-20 19:54:50,768 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 541 transitions. Word has length 45 [2022-02-20 19:54:50,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:54:50,769 INFO L470 AbstractCegarLoop]: Abstraction has 375 states and 541 transitions. [2022-02-20 19:54:50,769 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 19:54:50,769 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 541 transitions. [2022-02-20 19:54:50,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-02-20 19:54:50,770 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:54:50,770 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 19:54:50,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 19:54:50,771 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:54:50,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:54:50,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1261610502, now seen corresponding path program 1 times [2022-02-20 19:54:50,772 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:54:50,772 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929958861] [2022-02-20 19:54:50,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:54:50,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:54:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:50,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 19:54:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:50,827 INFO L290 TraceCheckUtils]: 0: Hoare triple {4243#true} havoc ~__retres1~2; {4243#true} is VALID [2022-02-20 19:54:50,827 INFO L290 TraceCheckUtils]: 1: Hoare triple {4243#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {4243#true} is VALID [2022-02-20 19:54:50,827 INFO L290 TraceCheckUtils]: 2: Hoare triple {4243#true} #res := ~__retres1~2; {4243#true} is VALID [2022-02-20 19:54:50,827 INFO L290 TraceCheckUtils]: 3: Hoare triple {4243#true} assume true; {4243#true} is VALID [2022-02-20 19:54:50,828 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {4243#true} {4245#(= ~c_dr_pc~0 0)} #926#return; {4245#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:50,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-02-20 19:54:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:50,848 INFO L290 TraceCheckUtils]: 0: Hoare triple {4265#(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; {4243#true} is VALID [2022-02-20 19:54:50,849 INFO L290 TraceCheckUtils]: 1: Hoare triple {4243#true} assume 1 == ~p_dw_pc~0; {4243#true} is VALID [2022-02-20 19:54:50,849 INFO L290 TraceCheckUtils]: 2: Hoare triple {4243#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {4243#true} is VALID [2022-02-20 19:54:50,849 INFO L290 TraceCheckUtils]: 3: Hoare triple {4243#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {4243#true} is VALID [2022-02-20 19:54:50,849 INFO L290 TraceCheckUtils]: 4: Hoare triple {4243#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; {4243#true} is VALID [2022-02-20 19:54:50,850 INFO L290 TraceCheckUtils]: 5: Hoare triple {4243#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {4243#true} is VALID [2022-02-20 19:54:50,850 INFO L290 TraceCheckUtils]: 6: Hoare triple {4243#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; {4243#true} is VALID [2022-02-20 19:54:50,850 INFO L290 TraceCheckUtils]: 7: Hoare triple {4243#true} assume !(1 == ~c_dr_pc~0); {4243#true} is VALID [2022-02-20 19:54:50,850 INFO L290 TraceCheckUtils]: 8: Hoare triple {4243#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {4243#true} is VALID [2022-02-20 19:54:50,850 INFO L290 TraceCheckUtils]: 9: Hoare triple {4243#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {4243#true} is VALID [2022-02-20 19:54:50,850 INFO L290 TraceCheckUtils]: 10: Hoare triple {4243#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; {4243#true} is VALID [2022-02-20 19:54:50,850 INFO L290 TraceCheckUtils]: 11: Hoare triple {4243#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {4243#true} is VALID [2022-02-20 19:54:50,850 INFO L290 TraceCheckUtils]: 12: Hoare triple {4243#true} assume true; {4243#true} is VALID [2022-02-20 19:54:50,850 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {4243#true} {4244#false} #930#return; {4244#false} is VALID [2022-02-20 19:54:50,851 INFO L290 TraceCheckUtils]: 0: Hoare triple {4243#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;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0; {4243#true} is VALID [2022-02-20 19:54:50,851 INFO L290 TraceCheckUtils]: 1: Hoare triple {4243#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet32#1, main_#t~ret33#1, main_#t~ret34#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {4243#true} is VALID [2022-02-20 19:54:50,853 INFO L290 TraceCheckUtils]: 2: Hoare triple {4243#true} assume 0 != main_#t~nondet32#1;havoc main_#t~nondet32#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; {4245#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:50,853 INFO L290 TraceCheckUtils]: 3: Hoare triple {4245#(= ~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; {4245#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:50,853 INFO L290 TraceCheckUtils]: 4: Hoare triple {4245#(= ~c_dr_pc~0 0)} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {4245#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:50,854 INFO L290 TraceCheckUtils]: 5: Hoare triple {4245#(= ~c_dr_pc~0 0)} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {4245#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:50,854 INFO L290 TraceCheckUtils]: 6: Hoare triple {4245#(= ~c_dr_pc~0 0)} assume { :end_inline_init_threads1 } true; {4245#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:50,854 INFO L290 TraceCheckUtils]: 7: Hoare triple {4245#(= ~c_dr_pc~0 0)} assume !false; {4245#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:50,855 INFO L290 TraceCheckUtils]: 8: Hoare triple {4245#(= ~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; {4245#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:50,855 INFO L290 TraceCheckUtils]: 9: Hoare triple {4245#(= ~c_dr_pc~0 0)} assume !false; {4245#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:50,855 INFO L272 TraceCheckUtils]: 10: Hoare triple {4245#(= ~c_dr_pc~0 0)} call eval1_#t~ret8#1 := exists_runnable_thread1(); {4243#true} is VALID [2022-02-20 19:54:50,855 INFO L290 TraceCheckUtils]: 11: Hoare triple {4243#true} havoc ~__retres1~2; {4243#true} is VALID [2022-02-20 19:54:50,855 INFO L290 TraceCheckUtils]: 12: Hoare triple {4243#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {4243#true} is VALID [2022-02-20 19:54:50,855 INFO L290 TraceCheckUtils]: 13: Hoare triple {4243#true} #res := ~__retres1~2; {4243#true} is VALID [2022-02-20 19:54:50,856 INFO L290 TraceCheckUtils]: 14: Hoare triple {4243#true} assume true; {4243#true} is VALID [2022-02-20 19:54:50,856 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {4243#true} {4245#(= ~c_dr_pc~0 0)} #926#return; {4245#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:50,857 INFO L290 TraceCheckUtils]: 16: Hoare triple {4245#(= ~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; {4245#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:50,857 INFO L290 TraceCheckUtils]: 17: Hoare triple {4245#(= ~c_dr_pc~0 0)} assume 0 != eval1_~tmp___1~0#1; {4245#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:50,857 INFO L290 TraceCheckUtils]: 18: Hoare triple {4245#(= ~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; {4245#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:50,858 INFO L290 TraceCheckUtils]: 19: Hoare triple {4245#(= ~c_dr_pc~0 0)} assume !(0 != eval1_~tmp~1#1); {4245#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:50,858 INFO L290 TraceCheckUtils]: 20: Hoare triple {4245#(= ~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; {4245#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:50,858 INFO L290 TraceCheckUtils]: 21: Hoare triple {4245#(= ~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; {4245#(= ~c_dr_pc~0 0)} is VALID [2022-02-20 19:54:50,859 INFO L290 TraceCheckUtils]: 22: Hoare triple {4245#(= ~c_dr_pc~0 0)} assume !(0 == ~c_dr_pc~0); {4244#false} is VALID [2022-02-20 19:54:50,859 INFO L290 TraceCheckUtils]: 23: Hoare triple {4244#false} assume 1 == ~c_dr_pc~0; {4244#false} is VALID [2022-02-20 19:54:50,859 INFO L290 TraceCheckUtils]: 24: Hoare triple {4244#false} do_read_c_~a~0#1 := ~a_t~0; {4244#false} is VALID [2022-02-20 19:54:50,860 INFO L290 TraceCheckUtils]: 25: Hoare triple {4244#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; {4244#false} is VALID [2022-02-20 19:54:50,860 INFO L272 TraceCheckUtils]: 26: Hoare triple {4244#false} call immediate_notify_threads(); {4265#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:54:50,860 INFO L290 TraceCheckUtils]: 27: Hoare triple {4265#(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; {4243#true} is VALID [2022-02-20 19:54:50,860 INFO L290 TraceCheckUtils]: 28: Hoare triple {4243#true} assume 1 == ~p_dw_pc~0; {4243#true} is VALID [2022-02-20 19:54:50,860 INFO L290 TraceCheckUtils]: 29: Hoare triple {4243#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {4243#true} is VALID [2022-02-20 19:54:50,861 INFO L290 TraceCheckUtils]: 30: Hoare triple {4243#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {4243#true} is VALID [2022-02-20 19:54:50,861 INFO L290 TraceCheckUtils]: 31: Hoare triple {4243#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; {4243#true} is VALID [2022-02-20 19:54:50,861 INFO L290 TraceCheckUtils]: 32: Hoare triple {4243#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {4243#true} is VALID [2022-02-20 19:54:50,861 INFO L290 TraceCheckUtils]: 33: Hoare triple {4243#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; {4243#true} is VALID [2022-02-20 19:54:50,861 INFO L290 TraceCheckUtils]: 34: Hoare triple {4243#true} assume !(1 == ~c_dr_pc~0); {4243#true} is VALID [2022-02-20 19:54:50,862 INFO L290 TraceCheckUtils]: 35: Hoare triple {4243#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {4243#true} is VALID [2022-02-20 19:54:50,862 INFO L290 TraceCheckUtils]: 36: Hoare triple {4243#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {4243#true} is VALID [2022-02-20 19:54:50,862 INFO L290 TraceCheckUtils]: 37: Hoare triple {4243#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; {4243#true} is VALID [2022-02-20 19:54:50,862 INFO L290 TraceCheckUtils]: 38: Hoare triple {4243#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {4243#true} is VALID [2022-02-20 19:54:50,862 INFO L290 TraceCheckUtils]: 39: Hoare triple {4243#true} assume true; {4243#true} is VALID [2022-02-20 19:54:50,863 INFO L284 TraceCheckUtils]: 40: Hoare quadruple {4243#true} {4244#false} #930#return; {4244#false} is VALID [2022-02-20 19:54:50,863 INFO L290 TraceCheckUtils]: 41: Hoare triple {4244#false} ~q_read_ev~0 := 2; {4244#false} is VALID [2022-02-20 19:54:50,863 INFO L290 TraceCheckUtils]: 42: Hoare triple {4244#false} assume !(~p_last_write~0 == ~c_last_read~0); {4244#false} is VALID [2022-02-20 19:54:50,863 INFO L272 TraceCheckUtils]: 43: Hoare triple {4244#false} call error1(); {4244#false} is VALID [2022-02-20 19:54:50,863 INFO L290 TraceCheckUtils]: 44: Hoare triple {4244#false} assume !false; {4244#false} is VALID [2022-02-20 19:54:50,864 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 19:54:50,864 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:54:50,864 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929958861] [2022-02-20 19:54:50,864 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929958861] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:54:50,864 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 19:54:50,865 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 19:54:50,865 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248209709] [2022-02-20 19:54:50,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:54:50,865 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 19:54:50,866 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:54:50,866 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 19:54:50,892 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 19:54:50,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 19:54:50,893 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:54:50,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 19:54:50,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 19:54:50,893 INFO L87 Difference]: Start difference. First operand 375 states and 541 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 19:54:51,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:51,537 INFO L93 Difference]: Finished difference Result 783 states and 1100 transitions. [2022-02-20 19:54:51,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 19:54:51,538 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 19:54:51,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:54:51,538 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 19:54:51,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 550 transitions. [2022-02-20 19:54:51,556 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 19:54:51,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 550 transitions. [2022-02-20 19:54:51,562 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 550 transitions. [2022-02-20 19:54:51,952 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 550 edges. 550 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:54:51,977 INFO L225 Difference]: With dead ends: 783 [2022-02-20 19:54:51,978 INFO L226 Difference]: Without dead ends: 592 [2022-02-20 19:54:51,978 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 19:54:51,979 INFO L933 BasicCegarLoop]: 381 mSDtfsCounter, 473 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 19:54:51,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [491 Valid, 642 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 19:54:51,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2022-02-20 19:54:52,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 540. [2022-02-20 19:54:52,002 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:54:52,003 INFO L82 GeneralOperation]: Start isEquivalent. First operand 592 states. Second operand has 540 states, 474 states have (on average 1.4029535864978904) internal successors, (665), 481 states have internal predecessors, (665), 42 states have call successors, (42), 21 states have call predecessors, (42), 22 states have return successors, (52), 38 states have call predecessors, (52), 40 states have call successors, (52) [2022-02-20 19:54:52,005 INFO L74 IsIncluded]: Start isIncluded. First operand 592 states. Second operand has 540 states, 474 states have (on average 1.4029535864978904) internal successors, (665), 481 states have internal predecessors, (665), 42 states have call successors, (42), 21 states have call predecessors, (42), 22 states have return successors, (52), 38 states have call predecessors, (52), 40 states have call successors, (52) [2022-02-20 19:54:52,006 INFO L87 Difference]: Start difference. First operand 592 states. Second operand has 540 states, 474 states have (on average 1.4029535864978904) internal successors, (665), 481 states have internal predecessors, (665), 42 states have call successors, (42), 21 states have call predecessors, (42), 22 states have return successors, (52), 38 states have call predecessors, (52), 40 states have call successors, (52) [2022-02-20 19:54:52,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:52,029 INFO L93 Difference]: Finished difference Result 592 states and 822 transitions. [2022-02-20 19:54:52,029 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 822 transitions. [2022-02-20 19:54:52,030 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:52,030 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:52,032 INFO L74 IsIncluded]: Start isIncluded. First operand has 540 states, 474 states have (on average 1.4029535864978904) internal successors, (665), 481 states have internal predecessors, (665), 42 states have call successors, (42), 21 states have call predecessors, (42), 22 states have return successors, (52), 38 states have call predecessors, (52), 40 states have call successors, (52) Second operand 592 states. [2022-02-20 19:54:52,033 INFO L87 Difference]: Start difference. First operand has 540 states, 474 states have (on average 1.4029535864978904) internal successors, (665), 481 states have internal predecessors, (665), 42 states have call successors, (42), 21 states have call predecessors, (42), 22 states have return successors, (52), 38 states have call predecessors, (52), 40 states have call successors, (52) Second operand 592 states. [2022-02-20 19:54:52,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:52,055 INFO L93 Difference]: Finished difference Result 592 states and 822 transitions. [2022-02-20 19:54:52,055 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 822 transitions. [2022-02-20 19:54:52,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:52,057 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:52,057 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:54:52,057 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:54:52,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 474 states have (on average 1.4029535864978904) internal successors, (665), 481 states have internal predecessors, (665), 42 states have call successors, (42), 21 states have call predecessors, (42), 22 states have return successors, (52), 38 states have call predecessors, (52), 40 states have call successors, (52) [2022-02-20 19:54:52,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 759 transitions. [2022-02-20 19:54:52,081 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 759 transitions. Word has length 45 [2022-02-20 19:54:52,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:54:52,081 INFO L470 AbstractCegarLoop]: Abstraction has 540 states and 759 transitions. [2022-02-20 19:54:52,082 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 19:54:52,082 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 759 transitions. [2022-02-20 19:54:52,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-02-20 19:54:52,083 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:54:52,083 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 19:54:52,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 19:54:52,084 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:54:52,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:54:52,084 INFO L85 PathProgramCache]: Analyzing trace with hash 315009802, now seen corresponding path program 1 times [2022-02-20 19:54:52,085 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:54:52,085 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282893929] [2022-02-20 19:54:52,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:54:52,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:54:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:52,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 19:54:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:52,144 INFO L290 TraceCheckUtils]: 0: Hoare triple {7250#true} havoc ~__retres1~2; {7250#true} is VALID [2022-02-20 19:54:52,144 INFO L290 TraceCheckUtils]: 1: Hoare triple {7250#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {7250#true} is VALID [2022-02-20 19:54:52,144 INFO L290 TraceCheckUtils]: 2: Hoare triple {7250#true} #res := ~__retres1~2; {7250#true} is VALID [2022-02-20 19:54:52,144 INFO L290 TraceCheckUtils]: 3: Hoare triple {7250#true} assume true; {7250#true} is VALID [2022-02-20 19:54:52,144 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {7250#true} {7250#true} #926#return; {7250#true} is VALID [2022-02-20 19:54:52,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-02-20 19:54:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:52,163 INFO L290 TraceCheckUtils]: 0: Hoare triple {7250#true} havoc ~__retres1~2; {7250#true} is VALID [2022-02-20 19:54:52,164 INFO L290 TraceCheckUtils]: 1: Hoare triple {7250#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {7250#true} is VALID [2022-02-20 19:54:52,164 INFO L290 TraceCheckUtils]: 2: Hoare triple {7250#true} #res := ~__retres1~2; {7250#true} is VALID [2022-02-20 19:54:52,164 INFO L290 TraceCheckUtils]: 3: Hoare triple {7250#true} assume true; {7250#true} is VALID [2022-02-20 19:54:52,165 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {7250#true} {7257#(= ~c_dr_st~0 2)} #926#return; {7257#(= ~c_dr_st~0 2)} is VALID [2022-02-20 19:54:52,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-02-20 19:54:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:52,177 INFO L290 TraceCheckUtils]: 0: Hoare triple {7277#(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; {7250#true} is VALID [2022-02-20 19:54:52,177 INFO L290 TraceCheckUtils]: 1: Hoare triple {7250#true} assume 1 == ~p_dw_pc~0; {7250#true} is VALID [2022-02-20 19:54:52,178 INFO L290 TraceCheckUtils]: 2: Hoare triple {7250#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {7250#true} is VALID [2022-02-20 19:54:52,178 INFO L290 TraceCheckUtils]: 3: Hoare triple {7250#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {7250#true} is VALID [2022-02-20 19:54:52,178 INFO L290 TraceCheckUtils]: 4: Hoare triple {7250#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; {7250#true} is VALID [2022-02-20 19:54:52,178 INFO L290 TraceCheckUtils]: 5: Hoare triple {7250#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {7250#true} is VALID [2022-02-20 19:54:52,178 INFO L290 TraceCheckUtils]: 6: Hoare triple {7250#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; {7250#true} is VALID [2022-02-20 19:54:52,179 INFO L290 TraceCheckUtils]: 7: Hoare triple {7250#true} assume !(1 == ~c_dr_pc~0); {7250#true} is VALID [2022-02-20 19:54:52,179 INFO L290 TraceCheckUtils]: 8: Hoare triple {7250#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {7250#true} is VALID [2022-02-20 19:54:52,179 INFO L290 TraceCheckUtils]: 9: Hoare triple {7250#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {7250#true} is VALID [2022-02-20 19:54:52,179 INFO L290 TraceCheckUtils]: 10: Hoare triple {7250#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; {7250#true} is VALID [2022-02-20 19:54:52,179 INFO L290 TraceCheckUtils]: 11: Hoare triple {7250#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {7250#true} is VALID [2022-02-20 19:54:52,180 INFO L290 TraceCheckUtils]: 12: Hoare triple {7250#true} assume true; {7250#true} is VALID [2022-02-20 19:54:52,180 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {7250#true} {7251#false} #930#return; {7251#false} is VALID [2022-02-20 19:54:52,180 INFO L290 TraceCheckUtils]: 0: Hoare triple {7250#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;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0; {7250#true} is VALID [2022-02-20 19:54:52,180 INFO L290 TraceCheckUtils]: 1: Hoare triple {7250#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet32#1, main_#t~ret33#1, main_#t~ret34#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {7250#true} is VALID [2022-02-20 19:54:52,180 INFO L290 TraceCheckUtils]: 2: Hoare triple {7250#true} assume 0 != main_#t~nondet32#1;havoc main_#t~nondet32#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; {7250#true} is VALID [2022-02-20 19:54:52,181 INFO L290 TraceCheckUtils]: 3: Hoare triple {7250#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; {7250#true} is VALID [2022-02-20 19:54:52,181 INFO L290 TraceCheckUtils]: 4: Hoare triple {7250#true} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {7250#true} is VALID [2022-02-20 19:54:52,181 INFO L290 TraceCheckUtils]: 5: Hoare triple {7250#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {7250#true} is VALID [2022-02-20 19:54:52,181 INFO L290 TraceCheckUtils]: 6: Hoare triple {7250#true} assume { :end_inline_init_threads1 } true; {7250#true} is VALID [2022-02-20 19:54:52,181 INFO L290 TraceCheckUtils]: 7: Hoare triple {7250#true} assume !false; {7250#true} is VALID [2022-02-20 19:54:52,182 INFO L290 TraceCheckUtils]: 8: Hoare triple {7250#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; {7250#true} is VALID [2022-02-20 19:54:52,182 INFO L290 TraceCheckUtils]: 9: Hoare triple {7250#true} assume !false; {7250#true} is VALID [2022-02-20 19:54:52,182 INFO L272 TraceCheckUtils]: 10: Hoare triple {7250#true} call eval1_#t~ret8#1 := exists_runnable_thread1(); {7250#true} is VALID [2022-02-20 19:54:52,182 INFO L290 TraceCheckUtils]: 11: Hoare triple {7250#true} havoc ~__retres1~2; {7250#true} is VALID [2022-02-20 19:54:52,182 INFO L290 TraceCheckUtils]: 12: Hoare triple {7250#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {7250#true} is VALID [2022-02-20 19:54:52,183 INFO L290 TraceCheckUtils]: 13: Hoare triple {7250#true} #res := ~__retres1~2; {7250#true} is VALID [2022-02-20 19:54:52,183 INFO L290 TraceCheckUtils]: 14: Hoare triple {7250#true} assume true; {7250#true} is VALID [2022-02-20 19:54:52,183 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {7250#true} {7250#true} #926#return; {7250#true} is VALID [2022-02-20 19:54:52,183 INFO L290 TraceCheckUtils]: 16: Hoare triple {7250#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; {7250#true} is VALID [2022-02-20 19:54:52,183 INFO L290 TraceCheckUtils]: 17: Hoare triple {7250#true} assume 0 != eval1_~tmp___1~0#1; {7250#true} is VALID [2022-02-20 19:54:52,184 INFO L290 TraceCheckUtils]: 18: Hoare triple {7250#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; {7250#true} is VALID [2022-02-20 19:54:52,184 INFO L290 TraceCheckUtils]: 19: Hoare triple {7250#true} assume !(0 != eval1_~tmp~1#1); {7250#true} is VALID [2022-02-20 19:54:52,184 INFO L290 TraceCheckUtils]: 20: Hoare triple {7250#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; {7250#true} is VALID [2022-02-20 19:54:52,184 INFO L290 TraceCheckUtils]: 21: Hoare triple {7250#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; {7250#true} is VALID [2022-02-20 19:54:52,184 INFO L290 TraceCheckUtils]: 22: Hoare triple {7250#true} assume 0 == ~c_dr_pc~0; {7250#true} is VALID [2022-02-20 19:54:52,185 INFO L290 TraceCheckUtils]: 23: Hoare triple {7250#true} assume !false; {7250#true} is VALID [2022-02-20 19:54:52,185 INFO L290 TraceCheckUtils]: 24: Hoare triple {7250#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; {7257#(= ~c_dr_st~0 2)} is VALID [2022-02-20 19:54:52,185 INFO L290 TraceCheckUtils]: 25: Hoare triple {7257#(= ~c_dr_st~0 2)} assume { :end_inline_do_read_c } true; {7257#(= ~c_dr_st~0 2)} is VALID [2022-02-20 19:54:52,186 INFO L290 TraceCheckUtils]: 26: Hoare triple {7257#(= ~c_dr_st~0 2)} assume !false; {7257#(= ~c_dr_st~0 2)} is VALID [2022-02-20 19:54:52,186 INFO L272 TraceCheckUtils]: 27: Hoare triple {7257#(= ~c_dr_st~0 2)} call eval1_#t~ret8#1 := exists_runnable_thread1(); {7250#true} is VALID [2022-02-20 19:54:52,186 INFO L290 TraceCheckUtils]: 28: Hoare triple {7250#true} havoc ~__retres1~2; {7250#true} is VALID [2022-02-20 19:54:52,186 INFO L290 TraceCheckUtils]: 29: Hoare triple {7250#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {7250#true} is VALID [2022-02-20 19:54:52,187 INFO L290 TraceCheckUtils]: 30: Hoare triple {7250#true} #res := ~__retres1~2; {7250#true} is VALID [2022-02-20 19:54:52,187 INFO L290 TraceCheckUtils]: 31: Hoare triple {7250#true} assume true; {7250#true} is VALID [2022-02-20 19:54:52,187 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {7250#true} {7257#(= ~c_dr_st~0 2)} #926#return; {7257#(= ~c_dr_st~0 2)} is VALID [2022-02-20 19:54:52,188 INFO L290 TraceCheckUtils]: 33: Hoare triple {7257#(= ~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; {7257#(= ~c_dr_st~0 2)} is VALID [2022-02-20 19:54:52,188 INFO L290 TraceCheckUtils]: 34: Hoare triple {7257#(= ~c_dr_st~0 2)} assume 0 != eval1_~tmp___1~0#1; {7257#(= ~c_dr_st~0 2)} is VALID [2022-02-20 19:54:52,188 INFO L290 TraceCheckUtils]: 35: Hoare triple {7257#(= ~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; {7257#(= ~c_dr_st~0 2)} is VALID [2022-02-20 19:54:52,189 INFO L290 TraceCheckUtils]: 36: Hoare triple {7257#(= ~c_dr_st~0 2)} assume !(0 != eval1_~tmp~1#1); {7257#(= ~c_dr_st~0 2)} is VALID [2022-02-20 19:54:52,189 INFO L290 TraceCheckUtils]: 37: Hoare triple {7257#(= ~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; {7251#false} is VALID [2022-02-20 19:54:52,189 INFO L290 TraceCheckUtils]: 38: Hoare triple {7251#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; {7251#false} is VALID [2022-02-20 19:54:52,190 INFO L290 TraceCheckUtils]: 39: Hoare triple {7251#false} assume !(0 == ~c_dr_pc~0); {7251#false} is VALID [2022-02-20 19:54:52,190 INFO L290 TraceCheckUtils]: 40: Hoare triple {7251#false} assume 1 == ~c_dr_pc~0; {7251#false} is VALID [2022-02-20 19:54:52,190 INFO L290 TraceCheckUtils]: 41: Hoare triple {7251#false} do_read_c_~a~0#1 := ~a_t~0; {7251#false} is VALID [2022-02-20 19:54:52,190 INFO L290 TraceCheckUtils]: 42: Hoare triple {7251#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; {7251#false} is VALID [2022-02-20 19:54:52,190 INFO L272 TraceCheckUtils]: 43: Hoare triple {7251#false} call immediate_notify_threads(); {7277#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:54:52,191 INFO L290 TraceCheckUtils]: 44: Hoare triple {7277#(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; {7250#true} is VALID [2022-02-20 19:54:52,191 INFO L290 TraceCheckUtils]: 45: Hoare triple {7250#true} assume 1 == ~p_dw_pc~0; {7250#true} is VALID [2022-02-20 19:54:52,191 INFO L290 TraceCheckUtils]: 46: Hoare triple {7250#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {7250#true} is VALID [2022-02-20 19:54:52,191 INFO L290 TraceCheckUtils]: 47: Hoare triple {7250#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {7250#true} is VALID [2022-02-20 19:54:52,191 INFO L290 TraceCheckUtils]: 48: Hoare triple {7250#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; {7250#true} is VALID [2022-02-20 19:54:52,192 INFO L290 TraceCheckUtils]: 49: Hoare triple {7250#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {7250#true} is VALID [2022-02-20 19:54:52,192 INFO L290 TraceCheckUtils]: 50: Hoare triple {7250#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; {7250#true} is VALID [2022-02-20 19:54:52,192 INFO L290 TraceCheckUtils]: 51: Hoare triple {7250#true} assume !(1 == ~c_dr_pc~0); {7250#true} is VALID [2022-02-20 19:54:52,192 INFO L290 TraceCheckUtils]: 52: Hoare triple {7250#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {7250#true} is VALID [2022-02-20 19:54:52,192 INFO L290 TraceCheckUtils]: 53: Hoare triple {7250#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {7250#true} is VALID [2022-02-20 19:54:52,193 INFO L290 TraceCheckUtils]: 54: Hoare triple {7250#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; {7250#true} is VALID [2022-02-20 19:54:52,193 INFO L290 TraceCheckUtils]: 55: Hoare triple {7250#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {7250#true} is VALID [2022-02-20 19:54:52,193 INFO L290 TraceCheckUtils]: 56: Hoare triple {7250#true} assume true; {7250#true} is VALID [2022-02-20 19:54:52,193 INFO L284 TraceCheckUtils]: 57: Hoare quadruple {7250#true} {7251#false} #930#return; {7251#false} is VALID [2022-02-20 19:54:52,193 INFO L290 TraceCheckUtils]: 58: Hoare triple {7251#false} ~q_read_ev~0 := 2; {7251#false} is VALID [2022-02-20 19:54:52,193 INFO L290 TraceCheckUtils]: 59: Hoare triple {7251#false} assume !(~p_last_write~0 == ~c_last_read~0); {7251#false} is VALID [2022-02-20 19:54:52,194 INFO L272 TraceCheckUtils]: 60: Hoare triple {7251#false} call error1(); {7251#false} is VALID [2022-02-20 19:54:52,194 INFO L290 TraceCheckUtils]: 61: Hoare triple {7251#false} assume !false; {7251#false} is VALID [2022-02-20 19:54:52,194 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 19:54:52,194 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:54:52,195 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282893929] [2022-02-20 19:54:52,195 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282893929] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:54:52,195 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 19:54:52,195 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 19:54:52,195 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486881833] [2022-02-20 19:54:52,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:54:52,196 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 19:54:52,196 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:54:52,197 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 19:54:52,229 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 19:54:52,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 19:54:52,230 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:54:52,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 19:54:52,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 19:54:52,231 INFO L87 Difference]: Start difference. First operand 540 states and 759 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 19:54:53,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:53,026 INFO L93 Difference]: Finished difference Result 1124 states and 1544 transitions. [2022-02-20 19:54:53,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 19:54:53,027 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 19:54:53,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:54:53,027 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 19:54:53,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 537 transitions. [2022-02-20 19:54:53,032 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 19:54:53,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 537 transitions. [2022-02-20 19:54:53,037 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 537 transitions. [2022-02-20 19:54:53,424 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 537 edges. 537 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:54:53,465 INFO L225 Difference]: With dead ends: 1124 [2022-02-20 19:54:53,465 INFO L226 Difference]: Without dead ends: 768 [2022-02-20 19:54:53,466 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 19:54:53,467 INFO L933 BasicCegarLoop]: 430 mSDtfsCounter, 192 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 863 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 19:54:53,467 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 863 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 19:54:53,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2022-02-20 19:54:53,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 730. [2022-02-20 19:54:53,489 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:54:53,491 INFO L82 GeneralOperation]: Start isEquivalent. First operand 768 states. Second operand has 730 states, 640 states have (on average 1.3515625) internal successors, (865), 649 states have internal predecessors, (865), 56 states have call successors, (56), 29 states have call predecessors, (56), 32 states have return successors, (76), 52 states have call predecessors, (76), 54 states have call successors, (76) [2022-02-20 19:54:53,493 INFO L74 IsIncluded]: Start isIncluded. First operand 768 states. Second operand has 730 states, 640 states have (on average 1.3515625) internal successors, (865), 649 states have internal predecessors, (865), 56 states have call successors, (56), 29 states have call predecessors, (56), 32 states have return successors, (76), 52 states have call predecessors, (76), 54 states have call successors, (76) [2022-02-20 19:54:53,494 INFO L87 Difference]: Start difference. First operand 768 states. Second operand has 730 states, 640 states have (on average 1.3515625) internal successors, (865), 649 states have internal predecessors, (865), 56 states have call successors, (56), 29 states have call predecessors, (56), 32 states have return successors, (76), 52 states have call predecessors, (76), 54 states have call successors, (76) [2022-02-20 19:54:53,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:53,525 INFO L93 Difference]: Finished difference Result 768 states and 1043 transitions. [2022-02-20 19:54:53,526 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1043 transitions. [2022-02-20 19:54:53,527 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:53,527 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:53,529 INFO L74 IsIncluded]: Start isIncluded. First operand has 730 states, 640 states have (on average 1.3515625) internal successors, (865), 649 states have internal predecessors, (865), 56 states have call successors, (56), 29 states have call predecessors, (56), 32 states have return successors, (76), 52 states have call predecessors, (76), 54 states have call successors, (76) Second operand 768 states. [2022-02-20 19:54:53,531 INFO L87 Difference]: Start difference. First operand has 730 states, 640 states have (on average 1.3515625) internal successors, (865), 649 states have internal predecessors, (865), 56 states have call successors, (56), 29 states have call predecessors, (56), 32 states have return successors, (76), 52 states have call predecessors, (76), 54 states have call successors, (76) Second operand 768 states. [2022-02-20 19:54:53,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:53,563 INFO L93 Difference]: Finished difference Result 768 states and 1043 transitions. [2022-02-20 19:54:53,563 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1043 transitions. [2022-02-20 19:54:53,565 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:53,565 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:53,565 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:54:53,565 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:54:53,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 640 states have (on average 1.3515625) internal successors, (865), 649 states have internal predecessors, (865), 56 states have call successors, (56), 29 states have call predecessors, (56), 32 states have return successors, (76), 52 states have call predecessors, (76), 54 states have call successors, (76) [2022-02-20 19:54:53,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 997 transitions. [2022-02-20 19:54:53,606 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 997 transitions. Word has length 62 [2022-02-20 19:54:53,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:54:53,607 INFO L470 AbstractCegarLoop]: Abstraction has 730 states and 997 transitions. [2022-02-20 19:54:53,607 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 19:54:53,607 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 997 transitions. [2022-02-20 19:54:53,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-02-20 19:54:53,609 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:54:53,609 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 19:54:53,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 19:54:53,609 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:54:53,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:54:53,610 INFO L85 PathProgramCache]: Analyzing trace with hash 2001152359, now seen corresponding path program 1 times [2022-02-20 19:54:53,610 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:54:53,610 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479453446] [2022-02-20 19:54:53,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:54:53,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:54:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:53,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 19:54:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:53,677 INFO L290 TraceCheckUtils]: 0: Hoare triple {11360#true} havoc ~__retres1~2; {11360#true} is VALID [2022-02-20 19:54:53,677 INFO L290 TraceCheckUtils]: 1: Hoare triple {11360#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {11360#true} is VALID [2022-02-20 19:54:53,678 INFO L290 TraceCheckUtils]: 2: Hoare triple {11360#true} #res := ~__retres1~2; {11360#true} is VALID [2022-02-20 19:54:53,678 INFO L290 TraceCheckUtils]: 3: Hoare triple {11360#true} assume true; {11360#true} is VALID [2022-02-20 19:54:53,678 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {11360#true} {11362#(= ~p_dw_pc~0 0)} #926#return; {11362#(= ~p_dw_pc~0 0)} is VALID [2022-02-20 19:54:53,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-02-20 19:54:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:53,701 INFO L290 TraceCheckUtils]: 0: Hoare triple {11396#(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; {11360#true} is VALID [2022-02-20 19:54:53,701 INFO L290 TraceCheckUtils]: 1: Hoare triple {11360#true} assume 1 == ~p_dw_pc~0; {11360#true} is VALID [2022-02-20 19:54:53,702 INFO L290 TraceCheckUtils]: 2: Hoare triple {11360#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {11360#true} is VALID [2022-02-20 19:54:53,702 INFO L290 TraceCheckUtils]: 3: Hoare triple {11360#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {11360#true} is VALID [2022-02-20 19:54:53,702 INFO L290 TraceCheckUtils]: 4: Hoare triple {11360#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; {11360#true} is VALID [2022-02-20 19:54:53,702 INFO L290 TraceCheckUtils]: 5: Hoare triple {11360#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {11360#true} is VALID [2022-02-20 19:54:53,702 INFO L290 TraceCheckUtils]: 6: Hoare triple {11360#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; {11360#true} is VALID [2022-02-20 19:54:53,703 INFO L290 TraceCheckUtils]: 7: Hoare triple {11360#true} assume !(1 == ~c_dr_pc~0); {11360#true} is VALID [2022-02-20 19:54:53,703 INFO L290 TraceCheckUtils]: 8: Hoare triple {11360#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {11360#true} is VALID [2022-02-20 19:54:53,703 INFO L290 TraceCheckUtils]: 9: Hoare triple {11360#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {11360#true} is VALID [2022-02-20 19:54:53,703 INFO L290 TraceCheckUtils]: 10: Hoare triple {11360#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; {11360#true} is VALID [2022-02-20 19:54:53,703 INFO L290 TraceCheckUtils]: 11: Hoare triple {11360#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {11360#true} is VALID [2022-02-20 19:54:53,703 INFO L290 TraceCheckUtils]: 12: Hoare triple {11360#true} assume true; {11360#true} is VALID [2022-02-20 19:54:53,704 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {11360#true} {11361#false} #928#return; {11361#false} is VALID [2022-02-20 19:54:53,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-02-20 19:54:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:53,716 INFO L290 TraceCheckUtils]: 0: Hoare triple {11396#(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; {11360#true} is VALID [2022-02-20 19:54:53,716 INFO L290 TraceCheckUtils]: 1: Hoare triple {11360#true} assume 1 == ~p_dw_pc~0; {11360#true} is VALID [2022-02-20 19:54:53,717 INFO L290 TraceCheckUtils]: 2: Hoare triple {11360#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {11360#true} is VALID [2022-02-20 19:54:53,717 INFO L290 TraceCheckUtils]: 3: Hoare triple {11360#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {11360#true} is VALID [2022-02-20 19:54:53,717 INFO L290 TraceCheckUtils]: 4: Hoare triple {11360#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; {11360#true} is VALID [2022-02-20 19:54:53,717 INFO L290 TraceCheckUtils]: 5: Hoare triple {11360#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {11360#true} is VALID [2022-02-20 19:54:53,717 INFO L290 TraceCheckUtils]: 6: Hoare triple {11360#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; {11360#true} is VALID [2022-02-20 19:54:53,718 INFO L290 TraceCheckUtils]: 7: Hoare triple {11360#true} assume !(1 == ~c_dr_pc~0); {11360#true} is VALID [2022-02-20 19:54:53,720 INFO L290 TraceCheckUtils]: 8: Hoare triple {11360#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {11360#true} is VALID [2022-02-20 19:54:53,720 INFO L290 TraceCheckUtils]: 9: Hoare triple {11360#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {11360#true} is VALID [2022-02-20 19:54:53,720 INFO L290 TraceCheckUtils]: 10: Hoare triple {11360#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; {11360#true} is VALID [2022-02-20 19:54:53,720 INFO L290 TraceCheckUtils]: 11: Hoare triple {11360#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {11360#true} is VALID [2022-02-20 19:54:53,721 INFO L290 TraceCheckUtils]: 12: Hoare triple {11360#true} assume true; {11360#true} is VALID [2022-02-20 19:54:53,721 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {11360#true} {11361#false} #930#return; {11361#false} is VALID [2022-02-20 19:54:53,721 INFO L290 TraceCheckUtils]: 0: Hoare triple {11360#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;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0; {11360#true} is VALID [2022-02-20 19:54:53,721 INFO L290 TraceCheckUtils]: 1: Hoare triple {11360#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet32#1, main_#t~ret33#1, main_#t~ret34#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {11360#true} is VALID [2022-02-20 19:54:53,722 INFO L290 TraceCheckUtils]: 2: Hoare triple {11360#true} assume 0 != main_#t~nondet32#1;havoc main_#t~nondet32#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; {11362#(= ~p_dw_pc~0 0)} is VALID [2022-02-20 19:54:53,722 INFO L290 TraceCheckUtils]: 3: Hoare triple {11362#(= ~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; {11362#(= ~p_dw_pc~0 0)} is VALID [2022-02-20 19:54:53,722 INFO L290 TraceCheckUtils]: 4: Hoare triple {11362#(= ~p_dw_pc~0 0)} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {11362#(= ~p_dw_pc~0 0)} is VALID [2022-02-20 19:54:53,723 INFO L290 TraceCheckUtils]: 5: Hoare triple {11362#(= ~p_dw_pc~0 0)} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {11362#(= ~p_dw_pc~0 0)} is VALID [2022-02-20 19:54:53,723 INFO L290 TraceCheckUtils]: 6: Hoare triple {11362#(= ~p_dw_pc~0 0)} assume { :end_inline_init_threads1 } true; {11362#(= ~p_dw_pc~0 0)} is VALID [2022-02-20 19:54:53,724 INFO L290 TraceCheckUtils]: 7: Hoare triple {11362#(= ~p_dw_pc~0 0)} assume !false; {11362#(= ~p_dw_pc~0 0)} is VALID [2022-02-20 19:54:53,724 INFO L290 TraceCheckUtils]: 8: Hoare triple {11362#(= ~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; {11362#(= ~p_dw_pc~0 0)} is VALID [2022-02-20 19:54:53,724 INFO L290 TraceCheckUtils]: 9: Hoare triple {11362#(= ~p_dw_pc~0 0)} assume !false; {11362#(= ~p_dw_pc~0 0)} is VALID [2022-02-20 19:54:53,725 INFO L272 TraceCheckUtils]: 10: Hoare triple {11362#(= ~p_dw_pc~0 0)} call eval1_#t~ret8#1 := exists_runnable_thread1(); {11360#true} is VALID [2022-02-20 19:54:53,725 INFO L290 TraceCheckUtils]: 11: Hoare triple {11360#true} havoc ~__retres1~2; {11360#true} is VALID [2022-02-20 19:54:53,725 INFO L290 TraceCheckUtils]: 12: Hoare triple {11360#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {11360#true} is VALID [2022-02-20 19:54:53,725 INFO L290 TraceCheckUtils]: 13: Hoare triple {11360#true} #res := ~__retres1~2; {11360#true} is VALID [2022-02-20 19:54:53,725 INFO L290 TraceCheckUtils]: 14: Hoare triple {11360#true} assume true; {11360#true} is VALID [2022-02-20 19:54:53,726 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {11360#true} {11362#(= ~p_dw_pc~0 0)} #926#return; {11362#(= ~p_dw_pc~0 0)} is VALID [2022-02-20 19:54:53,726 INFO L290 TraceCheckUtils]: 16: Hoare triple {11362#(= ~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; {11362#(= ~p_dw_pc~0 0)} is VALID [2022-02-20 19:54:53,727 INFO L290 TraceCheckUtils]: 17: Hoare triple {11362#(= ~p_dw_pc~0 0)} assume 0 != eval1_~tmp___1~0#1; {11362#(= ~p_dw_pc~0 0)} is VALID [2022-02-20 19:54:53,727 INFO L290 TraceCheckUtils]: 18: Hoare triple {11362#(= ~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; {11362#(= ~p_dw_pc~0 0)} is VALID [2022-02-20 19:54:53,727 INFO L290 TraceCheckUtils]: 19: Hoare triple {11362#(= ~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; {11362#(= ~p_dw_pc~0 0)} is VALID [2022-02-20 19:54:53,728 INFO L290 TraceCheckUtils]: 20: Hoare triple {11362#(= ~p_dw_pc~0 0)} assume !(0 == ~p_dw_pc~0); {11361#false} is VALID [2022-02-20 19:54:53,732 INFO L290 TraceCheckUtils]: 21: Hoare triple {11361#false} assume 1 == ~p_dw_pc~0; {11361#false} is VALID [2022-02-20 19:54:53,732 INFO L290 TraceCheckUtils]: 22: Hoare triple {11361#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; {11361#false} is VALID [2022-02-20 19:54:53,732 INFO L272 TraceCheckUtils]: 23: Hoare triple {11361#false} call immediate_notify_threads(); {11396#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:54:53,732 INFO L290 TraceCheckUtils]: 24: Hoare triple {11396#(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; {11360#true} is VALID [2022-02-20 19:54:53,733 INFO L290 TraceCheckUtils]: 25: Hoare triple {11360#true} assume 1 == ~p_dw_pc~0; {11360#true} is VALID [2022-02-20 19:54:53,733 INFO L290 TraceCheckUtils]: 26: Hoare triple {11360#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {11360#true} is VALID [2022-02-20 19:54:53,733 INFO L290 TraceCheckUtils]: 27: Hoare triple {11360#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {11360#true} is VALID [2022-02-20 19:54:53,733 INFO L290 TraceCheckUtils]: 28: Hoare triple {11360#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; {11360#true} is VALID [2022-02-20 19:54:53,733 INFO L290 TraceCheckUtils]: 29: Hoare triple {11360#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {11360#true} is VALID [2022-02-20 19:54:53,734 INFO L290 TraceCheckUtils]: 30: Hoare triple {11360#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; {11360#true} is VALID [2022-02-20 19:54:53,734 INFO L290 TraceCheckUtils]: 31: Hoare triple {11360#true} assume !(1 == ~c_dr_pc~0); {11360#true} is VALID [2022-02-20 19:54:53,734 INFO L290 TraceCheckUtils]: 32: Hoare triple {11360#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {11360#true} is VALID [2022-02-20 19:54:53,734 INFO L290 TraceCheckUtils]: 33: Hoare triple {11360#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {11360#true} is VALID [2022-02-20 19:54:53,734 INFO L290 TraceCheckUtils]: 34: Hoare triple {11360#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; {11360#true} is VALID [2022-02-20 19:54:53,734 INFO L290 TraceCheckUtils]: 35: Hoare triple {11360#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {11360#true} is VALID [2022-02-20 19:54:53,735 INFO L290 TraceCheckUtils]: 36: Hoare triple {11360#true} assume true; {11360#true} is VALID [2022-02-20 19:54:53,735 INFO L284 TraceCheckUtils]: 37: Hoare quadruple {11360#true} {11361#false} #928#return; {11361#false} is VALID [2022-02-20 19:54:53,735 INFO L290 TraceCheckUtils]: 38: Hoare triple {11361#false} ~q_write_ev~0 := 2; {11361#false} is VALID [2022-02-20 19:54:53,735 INFO L290 TraceCheckUtils]: 39: Hoare triple {11361#false} assume !false; {11361#false} is VALID [2022-02-20 19:54:53,735 INFO L290 TraceCheckUtils]: 40: Hoare triple {11361#false} assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; {11361#false} is VALID [2022-02-20 19:54:53,736 INFO L290 TraceCheckUtils]: 41: Hoare triple {11361#false} assume { :end_inline_do_write_p } true; {11361#false} is VALID [2022-02-20 19:54:53,736 INFO L290 TraceCheckUtils]: 42: Hoare triple {11361#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; {11361#false} is VALID [2022-02-20 19:54:53,736 INFO L290 TraceCheckUtils]: 43: Hoare triple {11361#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; {11361#false} is VALID [2022-02-20 19:54:53,736 INFO L290 TraceCheckUtils]: 44: Hoare triple {11361#false} assume 0 == ~c_dr_pc~0; {11361#false} is VALID [2022-02-20 19:54:53,736 INFO L290 TraceCheckUtils]: 45: Hoare triple {11361#false} assume !false; {11361#false} is VALID [2022-02-20 19:54:53,736 INFO L290 TraceCheckUtils]: 46: Hoare triple {11361#false} assume !(1 == ~q_free~0); {11361#false} is VALID [2022-02-20 19:54:53,737 INFO L290 TraceCheckUtils]: 47: Hoare triple {11361#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; {11361#false} is VALID [2022-02-20 19:54:53,737 INFO L272 TraceCheckUtils]: 48: Hoare triple {11361#false} call immediate_notify_threads(); {11396#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:54:53,737 INFO L290 TraceCheckUtils]: 49: Hoare triple {11396#(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; {11360#true} is VALID [2022-02-20 19:54:53,737 INFO L290 TraceCheckUtils]: 50: Hoare triple {11360#true} assume 1 == ~p_dw_pc~0; {11360#true} is VALID [2022-02-20 19:54:53,737 INFO L290 TraceCheckUtils]: 51: Hoare triple {11360#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {11360#true} is VALID [2022-02-20 19:54:53,737 INFO L290 TraceCheckUtils]: 52: Hoare triple {11360#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {11360#true} is VALID [2022-02-20 19:54:53,738 INFO L290 TraceCheckUtils]: 53: Hoare triple {11360#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; {11360#true} is VALID [2022-02-20 19:54:53,738 INFO L290 TraceCheckUtils]: 54: Hoare triple {11360#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {11360#true} is VALID [2022-02-20 19:54:53,738 INFO L290 TraceCheckUtils]: 55: Hoare triple {11360#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; {11360#true} is VALID [2022-02-20 19:54:53,738 INFO L290 TraceCheckUtils]: 56: Hoare triple {11360#true} assume !(1 == ~c_dr_pc~0); {11360#true} is VALID [2022-02-20 19:54:53,738 INFO L290 TraceCheckUtils]: 57: Hoare triple {11360#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {11360#true} is VALID [2022-02-20 19:54:53,738 INFO L290 TraceCheckUtils]: 58: Hoare triple {11360#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {11360#true} is VALID [2022-02-20 19:54:53,739 INFO L290 TraceCheckUtils]: 59: Hoare triple {11360#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; {11360#true} is VALID [2022-02-20 19:54:53,739 INFO L290 TraceCheckUtils]: 60: Hoare triple {11360#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {11360#true} is VALID [2022-02-20 19:54:53,739 INFO L290 TraceCheckUtils]: 61: Hoare triple {11360#true} assume true; {11360#true} is VALID [2022-02-20 19:54:53,740 INFO L284 TraceCheckUtils]: 62: Hoare quadruple {11360#true} {11361#false} #930#return; {11361#false} is VALID [2022-02-20 19:54:53,741 INFO L290 TraceCheckUtils]: 63: Hoare triple {11361#false} ~q_read_ev~0 := 2; {11361#false} is VALID [2022-02-20 19:54:53,743 INFO L290 TraceCheckUtils]: 64: Hoare triple {11361#false} assume !(~p_last_write~0 == ~c_last_read~0); {11361#false} is VALID [2022-02-20 19:54:53,744 INFO L272 TraceCheckUtils]: 65: Hoare triple {11361#false} call error1(); {11361#false} is VALID [2022-02-20 19:54:53,744 INFO L290 TraceCheckUtils]: 66: Hoare triple {11361#false} assume !false; {11361#false} is VALID [2022-02-20 19:54:53,745 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 19:54:53,745 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:54:53,745 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479453446] [2022-02-20 19:54:53,745 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479453446] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:54:53,746 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 19:54:53,747 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 19:54:53,747 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964205909] [2022-02-20 19:54:53,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:54:53,748 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 19:54:53,749 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:54:53,750 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 19:54:53,788 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 19:54:53,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 19:54:53,789 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:54:53,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 19:54:53,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 19:54:53,790 INFO L87 Difference]: Start difference. First operand 730 states and 997 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 19:54:54,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:54,469 INFO L93 Difference]: Finished difference Result 1383 states and 1850 transitions. [2022-02-20 19:54:54,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 19:54:54,470 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 19:54:54,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:54:54,470 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 19:54:54,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 535 transitions. [2022-02-20 19:54:54,475 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 19:54:54,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 535 transitions. [2022-02-20 19:54:54,479 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 535 transitions. [2022-02-20 19:54:54,895 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 535 edges. 535 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:54:54,956 INFO L225 Difference]: With dead ends: 1383 [2022-02-20 19:54:54,956 INFO L226 Difference]: Without dead ends: 929 [2022-02-20 19:54:54,957 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 19:54:54,958 INFO L933 BasicCegarLoop]: 376 mSDtfsCounter, 460 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 19:54:54,958 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [478 Valid, 639 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 19:54:54,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2022-02-20 19:54:54,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 874. [2022-02-20 19:54:54,986 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:54:54,988 INFO L82 GeneralOperation]: Start isEquivalent. First operand 929 states. Second operand has 874 states, 768 states have (on average 1.3229166666666667) internal successors, (1016), 779 states have internal predecessors, (1016), 64 states have call successors, (64), 35 states have call predecessors, (64), 40 states have return successors, (90), 60 states have call predecessors, (90), 62 states have call successors, (90) [2022-02-20 19:54:54,989 INFO L74 IsIncluded]: Start isIncluded. First operand 929 states. Second operand has 874 states, 768 states have (on average 1.3229166666666667) internal successors, (1016), 779 states have internal predecessors, (1016), 64 states have call successors, (64), 35 states have call predecessors, (64), 40 states have return successors, (90), 60 states have call predecessors, (90), 62 states have call successors, (90) [2022-02-20 19:54:54,991 INFO L87 Difference]: Start difference. First operand 929 states. Second operand has 874 states, 768 states have (on average 1.3229166666666667) internal successors, (1016), 779 states have internal predecessors, (1016), 64 states have call successors, (64), 35 states have call predecessors, (64), 40 states have return successors, (90), 60 states have call predecessors, (90), 62 states have call successors, (90) [2022-02-20 19:54:55,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:55,037 INFO L93 Difference]: Finished difference Result 929 states and 1237 transitions. [2022-02-20 19:54:55,037 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1237 transitions. [2022-02-20 19:54:55,041 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:55,041 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:55,044 INFO L74 IsIncluded]: Start isIncluded. First operand has 874 states, 768 states have (on average 1.3229166666666667) internal successors, (1016), 779 states have internal predecessors, (1016), 64 states have call successors, (64), 35 states have call predecessors, (64), 40 states have return successors, (90), 60 states have call predecessors, (90), 62 states have call successors, (90) Second operand 929 states. [2022-02-20 19:54:55,046 INFO L87 Difference]: Start difference. First operand has 874 states, 768 states have (on average 1.3229166666666667) internal successors, (1016), 779 states have internal predecessors, (1016), 64 states have call successors, (64), 35 states have call predecessors, (64), 40 states have return successors, (90), 60 states have call predecessors, (90), 62 states have call successors, (90) Second operand 929 states. [2022-02-20 19:54:55,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:55,092 INFO L93 Difference]: Finished difference Result 929 states and 1237 transitions. [2022-02-20 19:54:55,092 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1237 transitions. [2022-02-20 19:54:55,094 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:55,095 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:55,095 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:54:55,095 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:54:55,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 768 states have (on average 1.3229166666666667) internal successors, (1016), 779 states have internal predecessors, (1016), 64 states have call successors, (64), 35 states have call predecessors, (64), 40 states have return successors, (90), 60 states have call predecessors, (90), 62 states have call successors, (90) [2022-02-20 19:54:55,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1170 transitions. [2022-02-20 19:54:55,152 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1170 transitions. Word has length 67 [2022-02-20 19:54:55,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:54:55,152 INFO L470 AbstractCegarLoop]: Abstraction has 874 states and 1170 transitions. [2022-02-20 19:54:55,153 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 19:54:55,153 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1170 transitions. [2022-02-20 19:54:55,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-02-20 19:54:55,154 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:54:55,155 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 19:54:55,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 19:54:55,155 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:54:55,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:54:55,156 INFO L85 PathProgramCache]: Analyzing trace with hash -454264156, now seen corresponding path program 1 times [2022-02-20 19:54:55,156 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:54:55,156 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765328316] [2022-02-20 19:54:55,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:54:55,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:54:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:55,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 19:54:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:55,209 INFO L290 TraceCheckUtils]: 0: Hoare triple {16367#true} havoc ~__retres1~2; {16367#true} is VALID [2022-02-20 19:54:55,210 INFO L290 TraceCheckUtils]: 1: Hoare triple {16367#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {16367#true} is VALID [2022-02-20 19:54:55,210 INFO L290 TraceCheckUtils]: 2: Hoare triple {16367#true} #res := ~__retres1~2; {16367#true} is VALID [2022-02-20 19:54:55,211 INFO L290 TraceCheckUtils]: 3: Hoare triple {16367#true} assume true; {16367#true} is VALID [2022-02-20 19:54:55,212 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {16367#true} {16367#true} #926#return; {16367#true} is VALID [2022-02-20 19:54:55,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-20 19:54:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:55,285 INFO L290 TraceCheckUtils]: 0: Hoare triple {16402#(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; {16367#true} is VALID [2022-02-20 19:54:55,287 INFO L290 TraceCheckUtils]: 1: Hoare triple {16367#true} assume !(1 == ~p_dw_pc~0); {16367#true} is VALID [2022-02-20 19:54:55,288 INFO L290 TraceCheckUtils]: 2: Hoare triple {16367#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {16403#(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 19:54:55,289 INFO L290 TraceCheckUtils]: 3: Hoare triple {16403#(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; {16404#(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 19:54:55,289 INFO L290 TraceCheckUtils]: 4: Hoare triple {16404#(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; {16405#(and (<= |immediate_notify_threads_~tmp~0#1| 0) (< 0 (+ |immediate_notify_threads_~tmp~0#1| 1)))} is VALID [2022-02-20 19:54:55,290 INFO L290 TraceCheckUtils]: 5: Hoare triple {16405#(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; {16368#false} is VALID [2022-02-20 19:54:55,290 INFO L290 TraceCheckUtils]: 6: Hoare triple {16368#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; {16368#false} is VALID [2022-02-20 19:54:55,290 INFO L290 TraceCheckUtils]: 7: Hoare triple {16368#false} assume !(1 == ~c_dr_pc~0); {16368#false} is VALID [2022-02-20 19:54:55,290 INFO L290 TraceCheckUtils]: 8: Hoare triple {16368#false} is_do_read_c_triggered_~__retres1~1#1 := 0; {16368#false} is VALID [2022-02-20 19:54:55,290 INFO L290 TraceCheckUtils]: 9: Hoare triple {16368#false} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {16368#false} is VALID [2022-02-20 19:54:55,290 INFO L290 TraceCheckUtils]: 10: Hoare triple {16368#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; {16368#false} is VALID [2022-02-20 19:54:55,291 INFO L290 TraceCheckUtils]: 11: Hoare triple {16368#false} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {16368#false} is VALID [2022-02-20 19:54:55,291 INFO L290 TraceCheckUtils]: 12: Hoare triple {16368#false} assume true; {16368#false} is VALID [2022-02-20 19:54:55,291 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {16368#false} {16367#true} #928#return; {16368#false} is VALID [2022-02-20 19:54:55,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-02-20 19:54:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:55,304 INFO L290 TraceCheckUtils]: 0: Hoare triple {16402#(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; {16367#true} is VALID [2022-02-20 19:54:55,304 INFO L290 TraceCheckUtils]: 1: Hoare triple {16367#true} assume 1 == ~p_dw_pc~0; {16367#true} is VALID [2022-02-20 19:54:55,305 INFO L290 TraceCheckUtils]: 2: Hoare triple {16367#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {16367#true} is VALID [2022-02-20 19:54:55,305 INFO L290 TraceCheckUtils]: 3: Hoare triple {16367#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {16367#true} is VALID [2022-02-20 19:54:55,305 INFO L290 TraceCheckUtils]: 4: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:55,305 INFO L290 TraceCheckUtils]: 5: Hoare triple {16367#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {16367#true} is VALID [2022-02-20 19:54:55,305 INFO L290 TraceCheckUtils]: 6: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:55,305 INFO L290 TraceCheckUtils]: 7: Hoare triple {16367#true} assume !(1 == ~c_dr_pc~0); {16367#true} is VALID [2022-02-20 19:54:55,306 INFO L290 TraceCheckUtils]: 8: Hoare triple {16367#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {16367#true} is VALID [2022-02-20 19:54:55,306 INFO L290 TraceCheckUtils]: 9: Hoare triple {16367#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {16367#true} is VALID [2022-02-20 19:54:55,306 INFO L290 TraceCheckUtils]: 10: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:55,306 INFO L290 TraceCheckUtils]: 11: Hoare triple {16367#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {16367#true} is VALID [2022-02-20 19:54:55,306 INFO L290 TraceCheckUtils]: 12: Hoare triple {16367#true} assume true; {16367#true} is VALID [2022-02-20 19:54:55,306 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {16367#true} {16368#false} #930#return; {16368#false} is VALID [2022-02-20 19:54:55,308 INFO L290 TraceCheckUtils]: 0: Hoare triple {16367#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;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0; {16367#true} is VALID [2022-02-20 19:54:55,308 INFO L290 TraceCheckUtils]: 1: Hoare triple {16367#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet32#1, main_#t~ret33#1, main_#t~ret34#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {16367#true} is VALID [2022-02-20 19:54:55,308 INFO L290 TraceCheckUtils]: 2: Hoare triple {16367#true} assume 0 != main_#t~nondet32#1;havoc main_#t~nondet32#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; {16367#true} is VALID [2022-02-20 19:54:55,308 INFO L290 TraceCheckUtils]: 3: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:55,308 INFO L290 TraceCheckUtils]: 4: Hoare triple {16367#true} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {16367#true} is VALID [2022-02-20 19:54:55,309 INFO L290 TraceCheckUtils]: 5: Hoare triple {16367#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {16367#true} is VALID [2022-02-20 19:54:55,309 INFO L290 TraceCheckUtils]: 6: Hoare triple {16367#true} assume { :end_inline_init_threads1 } true; {16367#true} is VALID [2022-02-20 19:54:55,309 INFO L290 TraceCheckUtils]: 7: Hoare triple {16367#true} assume !false; {16367#true} is VALID [2022-02-20 19:54:55,309 INFO L290 TraceCheckUtils]: 8: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:55,309 INFO L290 TraceCheckUtils]: 9: Hoare triple {16367#true} assume !false; {16367#true} is VALID [2022-02-20 19:54:55,309 INFO L272 TraceCheckUtils]: 10: Hoare triple {16367#true} call eval1_#t~ret8#1 := exists_runnable_thread1(); {16367#true} is VALID [2022-02-20 19:54:55,310 INFO L290 TraceCheckUtils]: 11: Hoare triple {16367#true} havoc ~__retres1~2; {16367#true} is VALID [2022-02-20 19:54:55,310 INFO L290 TraceCheckUtils]: 12: Hoare triple {16367#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {16367#true} is VALID [2022-02-20 19:54:55,310 INFO L290 TraceCheckUtils]: 13: Hoare triple {16367#true} #res := ~__retres1~2; {16367#true} is VALID [2022-02-20 19:54:55,310 INFO L290 TraceCheckUtils]: 14: Hoare triple {16367#true} assume true; {16367#true} is VALID [2022-02-20 19:54:55,310 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {16367#true} {16367#true} #926#return; {16367#true} is VALID [2022-02-20 19:54:55,310 INFO L290 TraceCheckUtils]: 16: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:55,311 INFO L290 TraceCheckUtils]: 17: Hoare triple {16367#true} assume 0 != eval1_~tmp___1~0#1; {16367#true} is VALID [2022-02-20 19:54:55,311 INFO L290 TraceCheckUtils]: 18: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:55,312 INFO L290 TraceCheckUtils]: 19: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:55,312 INFO L290 TraceCheckUtils]: 20: Hoare triple {16367#true} assume 0 == ~p_dw_pc~0; {16367#true} is VALID [2022-02-20 19:54:55,312 INFO L290 TraceCheckUtils]: 21: Hoare triple {16367#true} assume !false; {16367#true} is VALID [2022-02-20 19:54:55,312 INFO L290 TraceCheckUtils]: 22: Hoare triple {16367#true} assume !(0 == ~q_free~0); {16367#true} is VALID [2022-02-20 19:54:55,312 INFO L290 TraceCheckUtils]: 23: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:55,313 INFO L272 TraceCheckUtils]: 24: Hoare triple {16367#true} call immediate_notify_threads(); {16402#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:54:55,313 INFO L290 TraceCheckUtils]: 25: Hoare triple {16402#(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; {16367#true} is VALID [2022-02-20 19:54:55,313 INFO L290 TraceCheckUtils]: 26: Hoare triple {16367#true} assume !(1 == ~p_dw_pc~0); {16367#true} is VALID [2022-02-20 19:54:55,314 INFO L290 TraceCheckUtils]: 27: Hoare triple {16367#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {16403#(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 19:54:55,314 INFO L290 TraceCheckUtils]: 28: Hoare triple {16403#(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; {16404#(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 19:54:55,315 INFO L290 TraceCheckUtils]: 29: Hoare triple {16404#(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; {16405#(and (<= |immediate_notify_threads_~tmp~0#1| 0) (< 0 (+ |immediate_notify_threads_~tmp~0#1| 1)))} is VALID [2022-02-20 19:54:55,315 INFO L290 TraceCheckUtils]: 30: Hoare triple {16405#(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; {16368#false} is VALID [2022-02-20 19:54:55,315 INFO L290 TraceCheckUtils]: 31: Hoare triple {16368#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; {16368#false} is VALID [2022-02-20 19:54:55,316 INFO L290 TraceCheckUtils]: 32: Hoare triple {16368#false} assume !(1 == ~c_dr_pc~0); {16368#false} is VALID [2022-02-20 19:54:55,316 INFO L290 TraceCheckUtils]: 33: Hoare triple {16368#false} is_do_read_c_triggered_~__retres1~1#1 := 0; {16368#false} is VALID [2022-02-20 19:54:55,316 INFO L290 TraceCheckUtils]: 34: Hoare triple {16368#false} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {16368#false} is VALID [2022-02-20 19:54:55,316 INFO L290 TraceCheckUtils]: 35: Hoare triple {16368#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; {16368#false} is VALID [2022-02-20 19:54:55,316 INFO L290 TraceCheckUtils]: 36: Hoare triple {16368#false} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {16368#false} is VALID [2022-02-20 19:54:55,316 INFO L290 TraceCheckUtils]: 37: Hoare triple {16368#false} assume true; {16368#false} is VALID [2022-02-20 19:54:55,317 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {16368#false} {16367#true} #928#return; {16368#false} is VALID [2022-02-20 19:54:55,317 INFO L290 TraceCheckUtils]: 39: Hoare triple {16368#false} ~q_write_ev~0 := 2; {16368#false} is VALID [2022-02-20 19:54:55,317 INFO L290 TraceCheckUtils]: 40: Hoare triple {16368#false} assume !false; {16368#false} is VALID [2022-02-20 19:54:55,317 INFO L290 TraceCheckUtils]: 41: Hoare triple {16368#false} assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; {16368#false} is VALID [2022-02-20 19:54:55,317 INFO L290 TraceCheckUtils]: 42: Hoare triple {16368#false} assume { :end_inline_do_write_p } true; {16368#false} is VALID [2022-02-20 19:54:55,317 INFO L290 TraceCheckUtils]: 43: Hoare triple {16368#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; {16368#false} is VALID [2022-02-20 19:54:55,317 INFO L290 TraceCheckUtils]: 44: Hoare triple {16368#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; {16368#false} is VALID [2022-02-20 19:54:55,318 INFO L290 TraceCheckUtils]: 45: Hoare triple {16368#false} assume 0 == ~c_dr_pc~0; {16368#false} is VALID [2022-02-20 19:54:55,318 INFO L290 TraceCheckUtils]: 46: Hoare triple {16368#false} assume !false; {16368#false} is VALID [2022-02-20 19:54:55,318 INFO L290 TraceCheckUtils]: 47: Hoare triple {16368#false} assume !(1 == ~q_free~0); {16368#false} is VALID [2022-02-20 19:54:55,318 INFO L290 TraceCheckUtils]: 48: Hoare triple {16368#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; {16368#false} is VALID [2022-02-20 19:54:55,318 INFO L272 TraceCheckUtils]: 49: Hoare triple {16368#false} call immediate_notify_threads(); {16402#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:54:55,318 INFO L290 TraceCheckUtils]: 50: Hoare triple {16402#(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; {16367#true} is VALID [2022-02-20 19:54:55,319 INFO L290 TraceCheckUtils]: 51: Hoare triple {16367#true} assume 1 == ~p_dw_pc~0; {16367#true} is VALID [2022-02-20 19:54:55,319 INFO L290 TraceCheckUtils]: 52: Hoare triple {16367#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {16367#true} is VALID [2022-02-20 19:54:55,319 INFO L290 TraceCheckUtils]: 53: Hoare triple {16367#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {16367#true} is VALID [2022-02-20 19:54:55,319 INFO L290 TraceCheckUtils]: 54: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:55,319 INFO L290 TraceCheckUtils]: 55: Hoare triple {16367#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {16367#true} is VALID [2022-02-20 19:54:55,319 INFO L290 TraceCheckUtils]: 56: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:55,320 INFO L290 TraceCheckUtils]: 57: Hoare triple {16367#true} assume !(1 == ~c_dr_pc~0); {16367#true} is VALID [2022-02-20 19:54:55,320 INFO L290 TraceCheckUtils]: 58: Hoare triple {16367#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {16367#true} is VALID [2022-02-20 19:54:55,320 INFO L290 TraceCheckUtils]: 59: Hoare triple {16367#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {16367#true} is VALID [2022-02-20 19:54:55,320 INFO L290 TraceCheckUtils]: 60: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:55,320 INFO L290 TraceCheckUtils]: 61: Hoare triple {16367#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {16367#true} is VALID [2022-02-20 19:54:55,320 INFO L290 TraceCheckUtils]: 62: Hoare triple {16367#true} assume true; {16367#true} is VALID [2022-02-20 19:54:55,320 INFO L284 TraceCheckUtils]: 63: Hoare quadruple {16367#true} {16368#false} #930#return; {16368#false} is VALID [2022-02-20 19:54:55,321 INFO L290 TraceCheckUtils]: 64: Hoare triple {16368#false} ~q_read_ev~0 := 2; {16368#false} is VALID [2022-02-20 19:54:55,321 INFO L290 TraceCheckUtils]: 65: Hoare triple {16368#false} assume !(~p_last_write~0 == ~c_last_read~0); {16368#false} is VALID [2022-02-20 19:54:55,321 INFO L272 TraceCheckUtils]: 66: Hoare triple {16368#false} call error1(); {16368#false} is VALID [2022-02-20 19:54:55,321 INFO L290 TraceCheckUtils]: 67: Hoare triple {16368#false} assume !false; {16368#false} is VALID [2022-02-20 19:54:55,321 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 19:54:55,322 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:54:55,322 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765328316] [2022-02-20 19:54:55,322 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765328316] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 19:54:55,322 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020380771] [2022-02-20 19:54:55,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:54:55,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 19:54:55,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 19:54:55,324 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 19:54:55,347 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 19:54:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:55,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-20 19:54:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:55,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 19:54:55,827 INFO L290 TraceCheckUtils]: 0: Hoare triple {16367#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;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0; {16367#true} is VALID [2022-02-20 19:54:55,832 INFO L290 TraceCheckUtils]: 1: Hoare triple {16367#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet32#1, main_#t~ret33#1, main_#t~ret34#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {16367#true} is VALID [2022-02-20 19:54:55,832 INFO L290 TraceCheckUtils]: 2: Hoare triple {16367#true} assume 0 != main_#t~nondet32#1;havoc main_#t~nondet32#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; {16367#true} is VALID [2022-02-20 19:54:55,832 INFO L290 TraceCheckUtils]: 3: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:55,833 INFO L290 TraceCheckUtils]: 4: Hoare triple {16367#true} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {16367#true} is VALID [2022-02-20 19:54:55,833 INFO L290 TraceCheckUtils]: 5: Hoare triple {16367#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {16367#true} is VALID [2022-02-20 19:54:55,833 INFO L290 TraceCheckUtils]: 6: Hoare triple {16367#true} assume { :end_inline_init_threads1 } true; {16367#true} is VALID [2022-02-20 19:54:55,833 INFO L290 TraceCheckUtils]: 7: Hoare triple {16367#true} assume !false; {16367#true} is VALID [2022-02-20 19:54:55,833 INFO L290 TraceCheckUtils]: 8: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:55,834 INFO L290 TraceCheckUtils]: 9: Hoare triple {16367#true} assume !false; {16367#true} is VALID [2022-02-20 19:54:55,834 INFO L272 TraceCheckUtils]: 10: Hoare triple {16367#true} call eval1_#t~ret8#1 := exists_runnable_thread1(); {16367#true} is VALID [2022-02-20 19:54:55,834 INFO L290 TraceCheckUtils]: 11: Hoare triple {16367#true} havoc ~__retres1~2; {16367#true} is VALID [2022-02-20 19:54:55,834 INFO L290 TraceCheckUtils]: 12: Hoare triple {16367#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {16367#true} is VALID [2022-02-20 19:54:55,834 INFO L290 TraceCheckUtils]: 13: Hoare triple {16367#true} #res := ~__retres1~2; {16367#true} is VALID [2022-02-20 19:54:55,835 INFO L290 TraceCheckUtils]: 14: Hoare triple {16367#true} assume true; {16367#true} is VALID [2022-02-20 19:54:55,835 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {16367#true} {16367#true} #926#return; {16367#true} is VALID [2022-02-20 19:54:55,835 INFO L290 TraceCheckUtils]: 16: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:55,835 INFO L290 TraceCheckUtils]: 17: Hoare triple {16367#true} assume 0 != eval1_~tmp___1~0#1; {16367#true} is VALID [2022-02-20 19:54:55,835 INFO L290 TraceCheckUtils]: 18: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:55,835 INFO L290 TraceCheckUtils]: 19: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:55,836 INFO L290 TraceCheckUtils]: 20: Hoare triple {16367#true} assume 0 == ~p_dw_pc~0; {16367#true} is VALID [2022-02-20 19:54:55,836 INFO L290 TraceCheckUtils]: 21: Hoare triple {16367#true} assume !false; {16367#true} is VALID [2022-02-20 19:54:55,837 INFO L290 TraceCheckUtils]: 22: Hoare triple {16367#true} assume !(0 == ~q_free~0); {16367#true} is VALID [2022-02-20 19:54:55,839 INFO L290 TraceCheckUtils]: 23: Hoare triple {16367#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; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:55,840 INFO L272 TraceCheckUtils]: 24: Hoare triple {16478#(= ~p_last_write~0 ~q_buf_0~0)} call immediate_notify_threads(); {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:55,840 INFO L290 TraceCheckUtils]: 25: Hoare triple {16478#(= ~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; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:55,841 INFO L290 TraceCheckUtils]: 26: Hoare triple {16478#(= ~p_last_write~0 ~q_buf_0~0)} assume !(1 == ~p_dw_pc~0); {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:55,841 INFO L290 TraceCheckUtils]: 27: Hoare triple {16478#(= ~p_last_write~0 ~q_buf_0~0)} is_do_write_p_triggered_~__retres1~0#1 := 0; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:55,842 INFO L290 TraceCheckUtils]: 28: Hoare triple {16478#(= ~p_last_write~0 ~q_buf_0~0)} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:55,842 INFO L290 TraceCheckUtils]: 29: Hoare triple {16478#(= ~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; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:55,843 INFO L290 TraceCheckUtils]: 30: Hoare triple {16478#(= ~p_last_write~0 ~q_buf_0~0)} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:55,843 INFO L290 TraceCheckUtils]: 31: Hoare triple {16478#(= ~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; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:55,844 INFO L290 TraceCheckUtils]: 32: Hoare triple {16478#(= ~p_last_write~0 ~q_buf_0~0)} assume !(1 == ~c_dr_pc~0); {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:55,844 INFO L290 TraceCheckUtils]: 33: Hoare triple {16478#(= ~p_last_write~0 ~q_buf_0~0)} is_do_read_c_triggered_~__retres1~1#1 := 0; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:55,845 INFO L290 TraceCheckUtils]: 34: Hoare triple {16478#(= ~p_last_write~0 ~q_buf_0~0)} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:55,845 INFO L290 TraceCheckUtils]: 35: Hoare triple {16478#(= ~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; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:55,846 INFO L290 TraceCheckUtils]: 36: Hoare triple {16478#(= ~p_last_write~0 ~q_buf_0~0)} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:55,846 INFO L290 TraceCheckUtils]: 37: Hoare triple {16478#(= ~p_last_write~0 ~q_buf_0~0)} assume true; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:55,847 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {16478#(= ~p_last_write~0 ~q_buf_0~0)} {16478#(= ~p_last_write~0 ~q_buf_0~0)} #928#return; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:55,847 INFO L290 TraceCheckUtils]: 39: Hoare triple {16478#(= ~p_last_write~0 ~q_buf_0~0)} ~q_write_ev~0 := 2; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:55,848 INFO L290 TraceCheckUtils]: 40: Hoare triple {16478#(= ~p_last_write~0 ~q_buf_0~0)} assume !false; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:55,848 INFO L290 TraceCheckUtils]: 41: Hoare triple {16478#(= ~p_last_write~0 ~q_buf_0~0)} assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:55,848 INFO L290 TraceCheckUtils]: 42: Hoare triple {16478#(= ~p_last_write~0 ~q_buf_0~0)} assume { :end_inline_do_write_p } true; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:55,849 INFO L290 TraceCheckUtils]: 43: Hoare triple {16478#(= ~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; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:55,849 INFO L290 TraceCheckUtils]: 44: Hoare triple {16478#(= ~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; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:55,850 INFO L290 TraceCheckUtils]: 45: Hoare triple {16478#(= ~p_last_write~0 ~q_buf_0~0)} assume 0 == ~c_dr_pc~0; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:55,850 INFO L290 TraceCheckUtils]: 46: Hoare triple {16478#(= ~p_last_write~0 ~q_buf_0~0)} assume !false; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:55,851 INFO L290 TraceCheckUtils]: 47: Hoare triple {16478#(= ~p_last_write~0 ~q_buf_0~0)} assume !(1 == ~q_free~0); {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:55,851 INFO L290 TraceCheckUtils]: 48: Hoare triple {16478#(= ~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; {16554#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:54:55,852 INFO L272 TraceCheckUtils]: 49: Hoare triple {16554#(= ~c_last_read~0 ~p_last_write~0)} call immediate_notify_threads(); {16554#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:54:55,852 INFO L290 TraceCheckUtils]: 50: Hoare triple {16554#(= ~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; {16554#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:54:55,853 INFO L290 TraceCheckUtils]: 51: Hoare triple {16554#(= ~c_last_read~0 ~p_last_write~0)} assume 1 == ~p_dw_pc~0; {16554#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:54:55,853 INFO L290 TraceCheckUtils]: 52: Hoare triple {16554#(= ~c_last_read~0 ~p_last_write~0)} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {16554#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:54:55,853 INFO L290 TraceCheckUtils]: 53: Hoare triple {16554#(= ~c_last_read~0 ~p_last_write~0)} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {16554#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:54:55,854 INFO L290 TraceCheckUtils]: 54: Hoare triple {16554#(= ~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; {16554#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:54:55,854 INFO L290 TraceCheckUtils]: 55: Hoare triple {16554#(= ~c_last_read~0 ~p_last_write~0)} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {16554#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:54:55,855 INFO L290 TraceCheckUtils]: 56: Hoare triple {16554#(= ~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; {16554#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:54:55,855 INFO L290 TraceCheckUtils]: 57: Hoare triple {16554#(= ~c_last_read~0 ~p_last_write~0)} assume !(1 == ~c_dr_pc~0); {16554#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:54:55,855 INFO L290 TraceCheckUtils]: 58: Hoare triple {16554#(= ~c_last_read~0 ~p_last_write~0)} is_do_read_c_triggered_~__retres1~1#1 := 0; {16554#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:54:55,856 INFO L290 TraceCheckUtils]: 59: Hoare triple {16554#(= ~c_last_read~0 ~p_last_write~0)} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {16554#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:54:55,856 INFO L290 TraceCheckUtils]: 60: Hoare triple {16554#(= ~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; {16554#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:54:55,857 INFO L290 TraceCheckUtils]: 61: Hoare triple {16554#(= ~c_last_read~0 ~p_last_write~0)} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {16554#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:54:55,857 INFO L290 TraceCheckUtils]: 62: Hoare triple {16554#(= ~c_last_read~0 ~p_last_write~0)} assume true; {16554#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:54:55,858 INFO L284 TraceCheckUtils]: 63: Hoare quadruple {16554#(= ~c_last_read~0 ~p_last_write~0)} {16554#(= ~c_last_read~0 ~p_last_write~0)} #930#return; {16554#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:54:55,858 INFO L290 TraceCheckUtils]: 64: Hoare triple {16554#(= ~c_last_read~0 ~p_last_write~0)} ~q_read_ev~0 := 2; {16554#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:54:55,858 INFO L290 TraceCheckUtils]: 65: Hoare triple {16554#(= ~c_last_read~0 ~p_last_write~0)} assume !(~p_last_write~0 == ~c_last_read~0); {16368#false} is VALID [2022-02-20 19:54:55,859 INFO L272 TraceCheckUtils]: 66: Hoare triple {16368#false} call error1(); {16368#false} is VALID [2022-02-20 19:54:55,859 INFO L290 TraceCheckUtils]: 67: Hoare triple {16368#false} assume !false; {16368#false} is VALID [2022-02-20 19:54:55,859 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 19:54:55,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 19:54:56,042 INFO L290 TraceCheckUtils]: 67: Hoare triple {16368#false} assume !false; {16368#false} is VALID [2022-02-20 19:54:56,042 INFO L272 TraceCheckUtils]: 66: Hoare triple {16368#false} call error1(); {16368#false} is VALID [2022-02-20 19:54:56,042 INFO L290 TraceCheckUtils]: 65: Hoare triple {16554#(= ~c_last_read~0 ~p_last_write~0)} assume !(~p_last_write~0 == ~c_last_read~0); {16368#false} is VALID [2022-02-20 19:54:56,043 INFO L290 TraceCheckUtils]: 64: Hoare triple {16554#(= ~c_last_read~0 ~p_last_write~0)} ~q_read_ev~0 := 2; {16554#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:54:56,043 INFO L284 TraceCheckUtils]: 63: Hoare quadruple {16367#true} {16554#(= ~c_last_read~0 ~p_last_write~0)} #930#return; {16554#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:54:56,043 INFO L290 TraceCheckUtils]: 62: Hoare triple {16367#true} assume true; {16367#true} is VALID [2022-02-20 19:54:56,043 INFO L290 TraceCheckUtils]: 61: Hoare triple {16367#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {16367#true} is VALID [2022-02-20 19:54:56,044 INFO L290 TraceCheckUtils]: 60: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:56,044 INFO L290 TraceCheckUtils]: 59: Hoare triple {16367#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {16367#true} is VALID [2022-02-20 19:54:56,044 INFO L290 TraceCheckUtils]: 58: Hoare triple {16367#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {16367#true} is VALID [2022-02-20 19:54:56,044 INFO L290 TraceCheckUtils]: 57: Hoare triple {16367#true} assume !(1 == ~c_dr_pc~0); {16367#true} is VALID [2022-02-20 19:54:56,044 INFO L290 TraceCheckUtils]: 56: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:56,044 INFO L290 TraceCheckUtils]: 55: Hoare triple {16367#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {16367#true} is VALID [2022-02-20 19:54:56,044 INFO L290 TraceCheckUtils]: 54: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:56,044 INFO L290 TraceCheckUtils]: 53: Hoare triple {16367#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {16367#true} is VALID [2022-02-20 19:54:56,045 INFO L290 TraceCheckUtils]: 52: Hoare triple {16367#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {16367#true} is VALID [2022-02-20 19:54:56,045 INFO L290 TraceCheckUtils]: 51: Hoare triple {16367#true} assume 1 == ~p_dw_pc~0; {16367#true} is VALID [2022-02-20 19:54:56,045 INFO L290 TraceCheckUtils]: 50: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:56,045 INFO L272 TraceCheckUtils]: 49: Hoare triple {16554#(= ~c_last_read~0 ~p_last_write~0)} call immediate_notify_threads(); {16367#true} is VALID [2022-02-20 19:54:56,045 INFO L290 TraceCheckUtils]: 48: Hoare triple {16478#(= ~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; {16554#(= ~c_last_read~0 ~p_last_write~0)} is VALID [2022-02-20 19:54:56,046 INFO L290 TraceCheckUtils]: 47: Hoare triple {16478#(= ~p_last_write~0 ~q_buf_0~0)} assume !(1 == ~q_free~0); {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:56,046 INFO L290 TraceCheckUtils]: 46: Hoare triple {16478#(= ~p_last_write~0 ~q_buf_0~0)} assume !false; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:56,046 INFO L290 TraceCheckUtils]: 45: Hoare triple {16478#(= ~p_last_write~0 ~q_buf_0~0)} assume 0 == ~c_dr_pc~0; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:56,047 INFO L290 TraceCheckUtils]: 44: Hoare triple {16478#(= ~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; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:56,047 INFO L290 TraceCheckUtils]: 43: Hoare triple {16478#(= ~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; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:56,048 INFO L290 TraceCheckUtils]: 42: Hoare triple {16478#(= ~p_last_write~0 ~q_buf_0~0)} assume { :end_inline_do_write_p } true; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:56,048 INFO L290 TraceCheckUtils]: 41: Hoare triple {16478#(= ~p_last_write~0 ~q_buf_0~0)} assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:56,048 INFO L290 TraceCheckUtils]: 40: Hoare triple {16478#(= ~p_last_write~0 ~q_buf_0~0)} assume !false; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:56,049 INFO L290 TraceCheckUtils]: 39: Hoare triple {16478#(= ~p_last_write~0 ~q_buf_0~0)} ~q_write_ev~0 := 2; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:56,049 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {16367#true} {16478#(= ~p_last_write~0 ~q_buf_0~0)} #928#return; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:56,049 INFO L290 TraceCheckUtils]: 37: Hoare triple {16367#true} assume true; {16367#true} is VALID [2022-02-20 19:54:56,049 INFO L290 TraceCheckUtils]: 36: Hoare triple {16367#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {16367#true} is VALID [2022-02-20 19:54:56,049 INFO L290 TraceCheckUtils]: 35: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:56,050 INFO L290 TraceCheckUtils]: 34: Hoare triple {16367#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {16367#true} is VALID [2022-02-20 19:54:56,050 INFO L290 TraceCheckUtils]: 33: Hoare triple {16367#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {16367#true} is VALID [2022-02-20 19:54:56,050 INFO L290 TraceCheckUtils]: 32: Hoare triple {16367#true} assume !(1 == ~c_dr_pc~0); {16367#true} is VALID [2022-02-20 19:54:56,050 INFO L290 TraceCheckUtils]: 31: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:56,050 INFO L290 TraceCheckUtils]: 30: Hoare triple {16367#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {16367#true} is VALID [2022-02-20 19:54:56,050 INFO L290 TraceCheckUtils]: 29: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:56,050 INFO L290 TraceCheckUtils]: 28: Hoare triple {16367#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {16367#true} is VALID [2022-02-20 19:54:56,050 INFO L290 TraceCheckUtils]: 27: Hoare triple {16367#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {16367#true} is VALID [2022-02-20 19:54:56,050 INFO L290 TraceCheckUtils]: 26: Hoare triple {16367#true} assume !(1 == ~p_dw_pc~0); {16367#true} is VALID [2022-02-20 19:54:56,051 INFO L290 TraceCheckUtils]: 25: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:56,051 INFO L272 TraceCheckUtils]: 24: Hoare triple {16478#(= ~p_last_write~0 ~q_buf_0~0)} call immediate_notify_threads(); {16367#true} is VALID [2022-02-20 19:54:56,051 INFO L290 TraceCheckUtils]: 23: Hoare triple {16367#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; {16478#(= ~p_last_write~0 ~q_buf_0~0)} is VALID [2022-02-20 19:54:56,051 INFO L290 TraceCheckUtils]: 22: Hoare triple {16367#true} assume !(0 == ~q_free~0); {16367#true} is VALID [2022-02-20 19:54:56,051 INFO L290 TraceCheckUtils]: 21: Hoare triple {16367#true} assume !false; {16367#true} is VALID [2022-02-20 19:54:56,051 INFO L290 TraceCheckUtils]: 20: Hoare triple {16367#true} assume 0 == ~p_dw_pc~0; {16367#true} is VALID [2022-02-20 19:54:56,052 INFO L290 TraceCheckUtils]: 19: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:56,052 INFO L290 TraceCheckUtils]: 18: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:56,052 INFO L290 TraceCheckUtils]: 17: Hoare triple {16367#true} assume 0 != eval1_~tmp___1~0#1; {16367#true} is VALID [2022-02-20 19:54:56,052 INFO L290 TraceCheckUtils]: 16: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:56,052 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {16367#true} {16367#true} #926#return; {16367#true} is VALID [2022-02-20 19:54:56,052 INFO L290 TraceCheckUtils]: 14: Hoare triple {16367#true} assume true; {16367#true} is VALID [2022-02-20 19:54:56,052 INFO L290 TraceCheckUtils]: 13: Hoare triple {16367#true} #res := ~__retres1~2; {16367#true} is VALID [2022-02-20 19:54:56,052 INFO L290 TraceCheckUtils]: 12: Hoare triple {16367#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {16367#true} is VALID [2022-02-20 19:54:56,052 INFO L290 TraceCheckUtils]: 11: Hoare triple {16367#true} havoc ~__retres1~2; {16367#true} is VALID [2022-02-20 19:54:56,052 INFO L272 TraceCheckUtils]: 10: Hoare triple {16367#true} call eval1_#t~ret8#1 := exists_runnable_thread1(); {16367#true} is VALID [2022-02-20 19:54:56,053 INFO L290 TraceCheckUtils]: 9: Hoare triple {16367#true} assume !false; {16367#true} is VALID [2022-02-20 19:54:56,053 INFO L290 TraceCheckUtils]: 8: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:56,053 INFO L290 TraceCheckUtils]: 7: Hoare triple {16367#true} assume !false; {16367#true} is VALID [2022-02-20 19:54:56,053 INFO L290 TraceCheckUtils]: 6: Hoare triple {16367#true} assume { :end_inline_init_threads1 } true; {16367#true} is VALID [2022-02-20 19:54:56,053 INFO L290 TraceCheckUtils]: 5: Hoare triple {16367#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {16367#true} is VALID [2022-02-20 19:54:56,053 INFO L290 TraceCheckUtils]: 4: Hoare triple {16367#true} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {16367#true} is VALID [2022-02-20 19:54:56,053 INFO L290 TraceCheckUtils]: 3: Hoare triple {16367#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; {16367#true} is VALID [2022-02-20 19:54:56,053 INFO L290 TraceCheckUtils]: 2: Hoare triple {16367#true} assume 0 != main_#t~nondet32#1;havoc main_#t~nondet32#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; {16367#true} is VALID [2022-02-20 19:54:56,053 INFO L290 TraceCheckUtils]: 1: Hoare triple {16367#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet32#1, main_#t~ret33#1, main_#t~ret34#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {16367#true} is VALID [2022-02-20 19:54:56,054 INFO L290 TraceCheckUtils]: 0: Hoare triple {16367#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;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0; {16367#true} is VALID [2022-02-20 19:54:56,054 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 19:54:56,054 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020380771] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-20 19:54:56,054 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-20 19:54:56,054 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 4] total 8 [2022-02-20 19:54:56,054 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201519387] [2022-02-20 19:54:56,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:54:56,055 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 19:54:56,055 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:54:56,055 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 19:54:56,094 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 19:54:56,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 19:54:56,094 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:54:56,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 19:54:56,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-02-20 19:54:56,095 INFO L87 Difference]: Start difference. First operand 874 states and 1170 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 19:54:56,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:56,626 INFO L93 Difference]: Finished difference Result 930 states and 1238 transitions. [2022-02-20 19:54:56,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 19:54:56,626 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 19:54:56,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:54:56,627 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 19:54:56,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 425 transitions. [2022-02-20 19:54:56,630 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 19:54:56,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 425 transitions. [2022-02-20 19:54:56,633 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 425 transitions. [2022-02-20 19:54:56,953 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 425 edges. 425 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:54:57,006 INFO L225 Difference]: With dead ends: 930 [2022-02-20 19:54:57,006 INFO L226 Difference]: Without dead ends: 927 [2022-02-20 19:54:57,006 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-02-20 19:54:57,007 INFO L933 BasicCegarLoop]: 385 mSDtfsCounter, 635 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 635 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 19:54:57,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [635 Valid, 452 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 19:54:57,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2022-02-20 19:54:57,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 873. [2022-02-20 19:54:57,037 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:54:57,039 INFO L82 GeneralOperation]: Start isEquivalent. First operand 927 states. Second operand has 873 states, 768 states have (on average 1.3203125) internal successors, (1014), 778 states have internal predecessors, (1014), 63 states have call successors, (63), 35 states have call predecessors, (63), 40 states have return successors, (90), 60 states have call predecessors, (90), 62 states have call successors, (90) [2022-02-20 19:54:57,041 INFO L74 IsIncluded]: Start isIncluded. First operand 927 states. Second operand has 873 states, 768 states have (on average 1.3203125) internal successors, (1014), 778 states have internal predecessors, (1014), 63 states have call successors, (63), 35 states have call predecessors, (63), 40 states have return successors, (90), 60 states have call predecessors, (90), 62 states have call successors, (90) [2022-02-20 19:54:57,042 INFO L87 Difference]: Start difference. First operand 927 states. Second operand has 873 states, 768 states have (on average 1.3203125) internal successors, (1014), 778 states have internal predecessors, (1014), 63 states have call successors, (63), 35 states have call predecessors, (63), 40 states have return successors, (90), 60 states have call predecessors, (90), 62 states have call successors, (90) [2022-02-20 19:54:57,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:57,084 INFO L93 Difference]: Finished difference Result 927 states and 1234 transitions. [2022-02-20 19:54:57,084 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1234 transitions. [2022-02-20 19:54:57,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:57,086 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:57,088 INFO L74 IsIncluded]: Start isIncluded. First operand has 873 states, 768 states have (on average 1.3203125) internal successors, (1014), 778 states have internal predecessors, (1014), 63 states have call successors, (63), 35 states have call predecessors, (63), 40 states have return successors, (90), 60 states have call predecessors, (90), 62 states have call successors, (90) Second operand 927 states. [2022-02-20 19:54:57,104 INFO L87 Difference]: Start difference. First operand has 873 states, 768 states have (on average 1.3203125) internal successors, (1014), 778 states have internal predecessors, (1014), 63 states have call successors, (63), 35 states have call predecessors, (63), 40 states have return successors, (90), 60 states have call predecessors, (90), 62 states have call successors, (90) Second operand 927 states. [2022-02-20 19:54:57,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:54:57,151 INFO L93 Difference]: Finished difference Result 927 states and 1234 transitions. [2022-02-20 19:54:57,151 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1234 transitions. [2022-02-20 19:54:57,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:54:57,153 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:54:57,153 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:54:57,154 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:54:57,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 873 states, 768 states have (on average 1.3203125) internal successors, (1014), 778 states have internal predecessors, (1014), 63 states have call successors, (63), 35 states have call predecessors, (63), 40 states have return successors, (90), 60 states have call predecessors, (90), 62 states have call successors, (90) [2022-02-20 19:54:57,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 873 states and 1167 transitions. [2022-02-20 19:54:57,208 INFO L78 Accepts]: Start accepts. Automaton has 873 states and 1167 transitions. Word has length 68 [2022-02-20 19:54:57,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:54:57,208 INFO L470 AbstractCegarLoop]: Abstraction has 873 states and 1167 transitions. [2022-02-20 19:54:57,208 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 19:54:57,209 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1167 transitions. [2022-02-20 19:54:57,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-02-20 19:54:57,212 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:54:57,212 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 19:54:57,239 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 19:54:57,430 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,SelfDestructingSolverStorable5 [2022-02-20 19:54:57,430 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:54:57,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:54:57,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1198093110, now seen corresponding path program 1 times [2022-02-20 19:54:57,431 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:54:57,431 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547585629] [2022-02-20 19:54:57,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:54:57,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:54:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:57,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 19:54:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:57,492 INFO L290 TraceCheckUtils]: 0: Hoare triple {21162#true} havoc ~__retres1~2; {21162#true} is VALID [2022-02-20 19:54:57,492 INFO L290 TraceCheckUtils]: 1: Hoare triple {21162#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {21162#true} is VALID [2022-02-20 19:54:57,492 INFO L290 TraceCheckUtils]: 2: Hoare triple {21162#true} #res := ~__retres1~2; {21162#true} is VALID [2022-02-20 19:54:57,492 INFO L290 TraceCheckUtils]: 3: Hoare triple {21162#true} assume true; {21162#true} is VALID [2022-02-20 19:54:57,493 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {21162#true} {21162#true} #926#return; {21162#true} is VALID [2022-02-20 19:54:57,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-20 19:54:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:57,540 INFO L290 TraceCheckUtils]: 0: Hoare triple {21197#(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; {21162#true} is VALID [2022-02-20 19:54:57,540 INFO L290 TraceCheckUtils]: 1: Hoare triple {21162#true} assume !(1 == ~p_dw_pc~0); {21162#true} is VALID [2022-02-20 19:54:57,541 INFO L290 TraceCheckUtils]: 2: Hoare triple {21162#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {21198#(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 19:54:57,541 INFO L290 TraceCheckUtils]: 3: Hoare triple {21198#(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; {21199#(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 19:54:57,542 INFO L290 TraceCheckUtils]: 4: Hoare triple {21199#(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; {21200#(and (<= |immediate_notify_threads_~tmp~0#1| 0) (< 0 (+ |immediate_notify_threads_~tmp~0#1| 1)))} is VALID [2022-02-20 19:54:57,542 INFO L290 TraceCheckUtils]: 5: Hoare triple {21200#(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; {21163#false} is VALID [2022-02-20 19:54:57,542 INFO L290 TraceCheckUtils]: 6: Hoare triple {21163#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; {21163#false} is VALID [2022-02-20 19:54:57,542 INFO L290 TraceCheckUtils]: 7: Hoare triple {21163#false} assume !(1 == ~c_dr_pc~0); {21163#false} is VALID [2022-02-20 19:54:57,543 INFO L290 TraceCheckUtils]: 8: Hoare triple {21163#false} is_do_read_c_triggered_~__retres1~1#1 := 0; {21163#false} is VALID [2022-02-20 19:54:57,543 INFO L290 TraceCheckUtils]: 9: Hoare triple {21163#false} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {21163#false} is VALID [2022-02-20 19:54:57,543 INFO L290 TraceCheckUtils]: 10: Hoare triple {21163#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; {21163#false} is VALID [2022-02-20 19:54:57,543 INFO L290 TraceCheckUtils]: 11: Hoare triple {21163#false} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {21163#false} is VALID [2022-02-20 19:54:57,543 INFO L290 TraceCheckUtils]: 12: Hoare triple {21163#false} assume true; {21163#false} is VALID [2022-02-20 19:54:57,543 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {21163#false} {21162#true} #928#return; {21163#false} is VALID [2022-02-20 19:54:57,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-02-20 19:54:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:57,550 INFO L290 TraceCheckUtils]: 0: Hoare triple {21197#(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; {21162#true} is VALID [2022-02-20 19:54:57,550 INFO L290 TraceCheckUtils]: 1: Hoare triple {21162#true} assume 1 == ~p_dw_pc~0; {21162#true} is VALID [2022-02-20 19:54:57,550 INFO L290 TraceCheckUtils]: 2: Hoare triple {21162#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {21162#true} is VALID [2022-02-20 19:54:57,551 INFO L290 TraceCheckUtils]: 3: Hoare triple {21162#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {21162#true} is VALID [2022-02-20 19:54:57,551 INFO L290 TraceCheckUtils]: 4: Hoare triple {21162#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; {21162#true} is VALID [2022-02-20 19:54:57,551 INFO L290 TraceCheckUtils]: 5: Hoare triple {21162#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {21162#true} is VALID [2022-02-20 19:54:57,551 INFO L290 TraceCheckUtils]: 6: Hoare triple {21162#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; {21162#true} is VALID [2022-02-20 19:54:57,551 INFO L290 TraceCheckUtils]: 7: Hoare triple {21162#true} assume !(1 == ~c_dr_pc~0); {21162#true} is VALID [2022-02-20 19:54:57,551 INFO L290 TraceCheckUtils]: 8: Hoare triple {21162#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {21162#true} is VALID [2022-02-20 19:54:57,552 INFO L290 TraceCheckUtils]: 9: Hoare triple {21162#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {21162#true} is VALID [2022-02-20 19:54:57,552 INFO L290 TraceCheckUtils]: 10: Hoare triple {21162#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; {21162#true} is VALID [2022-02-20 19:54:57,552 INFO L290 TraceCheckUtils]: 11: Hoare triple {21162#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {21162#true} is VALID [2022-02-20 19:54:57,552 INFO L290 TraceCheckUtils]: 12: Hoare triple {21162#true} assume true; {21162#true} is VALID [2022-02-20 19:54:57,552 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {21162#true} {21163#false} #930#return; {21163#false} is VALID [2022-02-20 19:54:57,552 INFO L290 TraceCheckUtils]: 0: Hoare triple {21162#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;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0; {21162#true} is VALID [2022-02-20 19:54:57,553 INFO L290 TraceCheckUtils]: 1: Hoare triple {21162#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet32#1, main_#t~ret33#1, main_#t~ret34#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {21162#true} is VALID [2022-02-20 19:54:57,553 INFO L290 TraceCheckUtils]: 2: Hoare triple {21162#true} assume 0 != main_#t~nondet32#1;havoc main_#t~nondet32#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; {21162#true} is VALID [2022-02-20 19:54:57,553 INFO L290 TraceCheckUtils]: 3: Hoare triple {21162#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; {21162#true} is VALID [2022-02-20 19:54:57,553 INFO L290 TraceCheckUtils]: 4: Hoare triple {21162#true} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {21162#true} is VALID [2022-02-20 19:54:57,553 INFO L290 TraceCheckUtils]: 5: Hoare triple {21162#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {21162#true} is VALID [2022-02-20 19:54:57,553 INFO L290 TraceCheckUtils]: 6: Hoare triple {21162#true} assume { :end_inline_init_threads1 } true; {21162#true} is VALID [2022-02-20 19:54:57,553 INFO L290 TraceCheckUtils]: 7: Hoare triple {21162#true} assume !false; {21162#true} is VALID [2022-02-20 19:54:57,554 INFO L290 TraceCheckUtils]: 8: Hoare triple {21162#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; {21162#true} is VALID [2022-02-20 19:54:57,554 INFO L290 TraceCheckUtils]: 9: Hoare triple {21162#true} assume !false; {21162#true} is VALID [2022-02-20 19:54:57,554 INFO L272 TraceCheckUtils]: 10: Hoare triple {21162#true} call eval1_#t~ret8#1 := exists_runnable_thread1(); {21162#true} is VALID [2022-02-20 19:54:57,554 INFO L290 TraceCheckUtils]: 11: Hoare triple {21162#true} havoc ~__retres1~2; {21162#true} is VALID [2022-02-20 19:54:57,554 INFO L290 TraceCheckUtils]: 12: Hoare triple {21162#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {21162#true} is VALID [2022-02-20 19:54:57,554 INFO L290 TraceCheckUtils]: 13: Hoare triple {21162#true} #res := ~__retres1~2; {21162#true} is VALID [2022-02-20 19:54:57,555 INFO L290 TraceCheckUtils]: 14: Hoare triple {21162#true} assume true; {21162#true} is VALID [2022-02-20 19:54:57,555 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {21162#true} {21162#true} #926#return; {21162#true} is VALID [2022-02-20 19:54:57,555 INFO L290 TraceCheckUtils]: 16: Hoare triple {21162#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; {21162#true} is VALID [2022-02-20 19:54:57,555 INFO L290 TraceCheckUtils]: 17: Hoare triple {21162#true} assume 0 != eval1_~tmp___1~0#1; {21162#true} is VALID [2022-02-20 19:54:57,555 INFO L290 TraceCheckUtils]: 18: Hoare triple {21162#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; {21162#true} is VALID [2022-02-20 19:54:57,555 INFO L290 TraceCheckUtils]: 19: Hoare triple {21162#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; {21162#true} is VALID [2022-02-20 19:54:57,556 INFO L290 TraceCheckUtils]: 20: Hoare triple {21162#true} assume 0 == ~p_dw_pc~0; {21162#true} is VALID [2022-02-20 19:54:57,556 INFO L290 TraceCheckUtils]: 21: Hoare triple {21162#true} assume !false; {21162#true} is VALID [2022-02-20 19:54:57,556 INFO L290 TraceCheckUtils]: 22: Hoare triple {21162#true} assume !(0 == ~q_free~0); {21162#true} is VALID [2022-02-20 19:54:57,556 INFO L290 TraceCheckUtils]: 23: Hoare triple {21162#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; {21162#true} is VALID [2022-02-20 19:54:57,556 INFO L272 TraceCheckUtils]: 24: Hoare triple {21162#true} call immediate_notify_threads(); {21197#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:54:57,557 INFO L290 TraceCheckUtils]: 25: Hoare triple {21197#(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; {21162#true} is VALID [2022-02-20 19:54:57,557 INFO L290 TraceCheckUtils]: 26: Hoare triple {21162#true} assume !(1 == ~p_dw_pc~0); {21162#true} is VALID [2022-02-20 19:54:57,557 INFO L290 TraceCheckUtils]: 27: Hoare triple {21162#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {21198#(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 19:54:57,558 INFO L290 TraceCheckUtils]: 28: Hoare triple {21198#(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; {21199#(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 19:54:57,558 INFO L290 TraceCheckUtils]: 29: Hoare triple {21199#(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; {21200#(and (<= |immediate_notify_threads_~tmp~0#1| 0) (< 0 (+ |immediate_notify_threads_~tmp~0#1| 1)))} is VALID [2022-02-20 19:54:57,559 INFO L290 TraceCheckUtils]: 30: Hoare triple {21200#(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; {21163#false} is VALID [2022-02-20 19:54:57,559 INFO L290 TraceCheckUtils]: 31: Hoare triple {21163#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; {21163#false} is VALID [2022-02-20 19:54:57,559 INFO L290 TraceCheckUtils]: 32: Hoare triple {21163#false} assume !(1 == ~c_dr_pc~0); {21163#false} is VALID [2022-02-20 19:54:57,559 INFO L290 TraceCheckUtils]: 33: Hoare triple {21163#false} is_do_read_c_triggered_~__retres1~1#1 := 0; {21163#false} is VALID [2022-02-20 19:54:57,559 INFO L290 TraceCheckUtils]: 34: Hoare triple {21163#false} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {21163#false} is VALID [2022-02-20 19:54:57,559 INFO L290 TraceCheckUtils]: 35: Hoare triple {21163#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; {21163#false} is VALID [2022-02-20 19:54:57,560 INFO L290 TraceCheckUtils]: 36: Hoare triple {21163#false} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {21163#false} is VALID [2022-02-20 19:54:57,560 INFO L290 TraceCheckUtils]: 37: Hoare triple {21163#false} assume true; {21163#false} is VALID [2022-02-20 19:54:57,560 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {21163#false} {21162#true} #928#return; {21163#false} is VALID [2022-02-20 19:54:57,560 INFO L290 TraceCheckUtils]: 39: Hoare triple {21163#false} ~q_write_ev~0 := 2; {21163#false} is VALID [2022-02-20 19:54:57,560 INFO L290 TraceCheckUtils]: 40: Hoare triple {21163#false} assume !false; {21163#false} is VALID [2022-02-20 19:54:57,560 INFO L290 TraceCheckUtils]: 41: Hoare triple {21163#false} assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; {21163#false} is VALID [2022-02-20 19:54:57,560 INFO L290 TraceCheckUtils]: 42: Hoare triple {21163#false} assume { :end_inline_do_write_p } true; {21163#false} is VALID [2022-02-20 19:54:57,561 INFO L290 TraceCheckUtils]: 43: Hoare triple {21163#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; {21163#false} is VALID [2022-02-20 19:54:57,561 INFO L290 TraceCheckUtils]: 44: Hoare triple {21163#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; {21163#false} is VALID [2022-02-20 19:54:57,561 INFO L290 TraceCheckUtils]: 45: Hoare triple {21163#false} assume 0 == ~c_dr_pc~0; {21163#false} is VALID [2022-02-20 19:54:57,561 INFO L290 TraceCheckUtils]: 46: Hoare triple {21163#false} assume !false; {21163#false} is VALID [2022-02-20 19:54:57,561 INFO L290 TraceCheckUtils]: 47: Hoare triple {21163#false} assume !(1 == ~q_free~0); {21163#false} is VALID [2022-02-20 19:54:57,561 INFO L290 TraceCheckUtils]: 48: Hoare triple {21163#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; {21163#false} is VALID [2022-02-20 19:54:57,562 INFO L272 TraceCheckUtils]: 49: Hoare triple {21163#false} call immediate_notify_threads(); {21197#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:54:57,562 INFO L290 TraceCheckUtils]: 50: Hoare triple {21197#(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; {21162#true} is VALID [2022-02-20 19:54:57,562 INFO L290 TraceCheckUtils]: 51: Hoare triple {21162#true} assume 1 == ~p_dw_pc~0; {21162#true} is VALID [2022-02-20 19:54:57,562 INFO L290 TraceCheckUtils]: 52: Hoare triple {21162#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {21162#true} is VALID [2022-02-20 19:54:57,562 INFO L290 TraceCheckUtils]: 53: Hoare triple {21162#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {21162#true} is VALID [2022-02-20 19:54:57,562 INFO L290 TraceCheckUtils]: 54: Hoare triple {21162#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; {21162#true} is VALID [2022-02-20 19:54:57,562 INFO L290 TraceCheckUtils]: 55: Hoare triple {21162#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {21162#true} is VALID [2022-02-20 19:54:57,563 INFO L290 TraceCheckUtils]: 56: Hoare triple {21162#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; {21162#true} is VALID [2022-02-20 19:54:57,563 INFO L290 TraceCheckUtils]: 57: Hoare triple {21162#true} assume !(1 == ~c_dr_pc~0); {21162#true} is VALID [2022-02-20 19:54:57,563 INFO L290 TraceCheckUtils]: 58: Hoare triple {21162#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {21162#true} is VALID [2022-02-20 19:54:57,563 INFO L290 TraceCheckUtils]: 59: Hoare triple {21162#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {21162#true} is VALID [2022-02-20 19:54:57,563 INFO L290 TraceCheckUtils]: 60: Hoare triple {21162#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; {21162#true} is VALID [2022-02-20 19:54:57,563 INFO L290 TraceCheckUtils]: 61: Hoare triple {21162#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {21162#true} is VALID [2022-02-20 19:54:57,564 INFO L290 TraceCheckUtils]: 62: Hoare triple {21162#true} assume true; {21162#true} is VALID [2022-02-20 19:54:57,564 INFO L284 TraceCheckUtils]: 63: Hoare quadruple {21162#true} {21163#false} #930#return; {21163#false} is VALID [2022-02-20 19:54:57,564 INFO L290 TraceCheckUtils]: 64: Hoare triple {21163#false} ~q_read_ev~0 := 2; {21163#false} is VALID [2022-02-20 19:54:57,564 INFO L290 TraceCheckUtils]: 65: Hoare triple {21163#false} assume ~p_last_write~0 == ~c_last_read~0; {21163#false} is VALID [2022-02-20 19:54:57,564 INFO L290 TraceCheckUtils]: 66: Hoare triple {21163#false} assume !(~p_num_write~0 == ~c_num_read~0); {21163#false} is VALID [2022-02-20 19:54:57,564 INFO L272 TraceCheckUtils]: 67: Hoare triple {21163#false} call error1(); {21163#false} is VALID [2022-02-20 19:54:57,564 INFO L290 TraceCheckUtils]: 68: Hoare triple {21163#false} assume !false; {21163#false} is VALID [2022-02-20 19:54:57,565 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 19:54:57,565 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:54:57,565 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547585629] [2022-02-20 19:54:57,565 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547585629] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 19:54:57,565 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366787613] [2022-02-20 19:54:57,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:54:57,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 19:54:57,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 19:54:57,567 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 19:54:57,593 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 19:54:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:57,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-20 19:54:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:54:57,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 19:54:58,162 INFO L290 TraceCheckUtils]: 0: Hoare triple {21162#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;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0; {21162#true} is VALID [2022-02-20 19:54:58,162 INFO L290 TraceCheckUtils]: 1: Hoare triple {21162#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet32#1, main_#t~ret33#1, main_#t~ret34#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {21162#true} is VALID [2022-02-20 19:54:58,163 INFO L290 TraceCheckUtils]: 2: Hoare triple {21162#true} assume 0 != main_#t~nondet32#1;havoc main_#t~nondet32#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; {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:54:58,163 INFO L290 TraceCheckUtils]: 3: Hoare triple {21210#(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; {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:54:58,164 INFO L290 TraceCheckUtils]: 4: Hoare triple {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:54:58,164 INFO L290 TraceCheckUtils]: 5: Hoare triple {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:54:58,165 INFO L290 TraceCheckUtils]: 6: Hoare triple {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} assume { :end_inline_init_threads1 } true; {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:54:58,165 INFO L290 TraceCheckUtils]: 7: Hoare triple {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} assume !false; {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:54:58,165 INFO L290 TraceCheckUtils]: 8: Hoare triple {21210#(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; {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:54:58,166 INFO L290 TraceCheckUtils]: 9: Hoare triple {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} assume !false; {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:54:58,166 INFO L272 TraceCheckUtils]: 10: Hoare triple {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} call eval1_#t~ret8#1 := exists_runnable_thread1(); {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:54:58,167 INFO L290 TraceCheckUtils]: 11: Hoare triple {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} havoc ~__retres1~2; {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:54:58,167 INFO L290 TraceCheckUtils]: 12: Hoare triple {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:54:58,168 INFO L290 TraceCheckUtils]: 13: Hoare triple {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} #res := ~__retres1~2; {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:54:58,168 INFO L290 TraceCheckUtils]: 14: Hoare triple {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} assume true; {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:54:58,169 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} #926#return; {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:54:58,169 INFO L290 TraceCheckUtils]: 16: Hoare triple {21210#(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; {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:54:58,170 INFO L290 TraceCheckUtils]: 17: Hoare triple {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} assume 0 != eval1_~tmp___1~0#1; {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:54:58,170 INFO L290 TraceCheckUtils]: 18: Hoare triple {21210#(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; {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:54:58,170 INFO L290 TraceCheckUtils]: 19: Hoare triple {21210#(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; {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:54:58,171 INFO L290 TraceCheckUtils]: 20: Hoare triple {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} assume 0 == ~p_dw_pc~0; {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:54:58,171 INFO L290 TraceCheckUtils]: 21: Hoare triple {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} assume !false; {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:54:58,172 INFO L290 TraceCheckUtils]: 22: Hoare triple {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} assume !(0 == ~q_free~0); {21210#(and (= ~p_num_write~0 0) (= ~c_num_read~0 0))} is VALID [2022-02-20 19:54:58,172 INFO L290 TraceCheckUtils]: 23: Hoare triple {21210#(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; {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,173 INFO L272 TraceCheckUtils]: 24: Hoare triple {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} call immediate_notify_threads(); {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,173 INFO L290 TraceCheckUtils]: 25: Hoare triple {21274#(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; {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,173 INFO L290 TraceCheckUtils]: 26: Hoare triple {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} assume !(1 == ~p_dw_pc~0); {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,174 INFO L290 TraceCheckUtils]: 27: Hoare triple {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is_do_write_p_triggered_~__retres1~0#1 := 0; {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,174 INFO L290 TraceCheckUtils]: 28: Hoare triple {21274#(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; {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,175 INFO L290 TraceCheckUtils]: 29: Hoare triple {21274#(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; {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,175 INFO L290 TraceCheckUtils]: 30: Hoare triple {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,176 INFO L290 TraceCheckUtils]: 31: Hoare triple {21274#(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; {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,176 INFO L290 TraceCheckUtils]: 32: Hoare triple {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} assume !(1 == ~c_dr_pc~0); {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,177 INFO L290 TraceCheckUtils]: 33: Hoare triple {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is_do_read_c_triggered_~__retres1~1#1 := 0; {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,177 INFO L290 TraceCheckUtils]: 34: Hoare triple {21274#(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; {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,178 INFO L290 TraceCheckUtils]: 35: Hoare triple {21274#(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; {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,178 INFO L290 TraceCheckUtils]: 36: Hoare triple {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,178 INFO L290 TraceCheckUtils]: 37: Hoare triple {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} assume true; {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,179 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} #928#return; {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,179 INFO L290 TraceCheckUtils]: 39: Hoare triple {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} ~q_write_ev~0 := 2; {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,180 INFO L290 TraceCheckUtils]: 40: Hoare triple {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} assume !false; {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,180 INFO L290 TraceCheckUtils]: 41: Hoare triple {21274#(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; {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,181 INFO L290 TraceCheckUtils]: 42: Hoare triple {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} assume { :end_inline_do_write_p } true; {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,181 INFO L290 TraceCheckUtils]: 43: Hoare triple {21274#(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; {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,182 INFO L290 TraceCheckUtils]: 44: Hoare triple {21274#(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; {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,182 INFO L290 TraceCheckUtils]: 45: Hoare triple {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} assume 0 == ~c_dr_pc~0; {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,183 INFO L290 TraceCheckUtils]: 46: Hoare triple {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} assume !false; {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,183 INFO L290 TraceCheckUtils]: 47: Hoare triple {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} assume !(1 == ~q_free~0); {21274#(and (= ~c_num_read~0 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,184 INFO L290 TraceCheckUtils]: 48: Hoare triple {21274#(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; {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,184 INFO L272 TraceCheckUtils]: 49: Hoare triple {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} call immediate_notify_threads(); {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,184 INFO L290 TraceCheckUtils]: 50: Hoare triple {21350#(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; {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,185 INFO L290 TraceCheckUtils]: 51: Hoare triple {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} assume 1 == ~p_dw_pc~0; {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,185 INFO L290 TraceCheckUtils]: 52: Hoare triple {21350#(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; {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,186 INFO L290 TraceCheckUtils]: 53: Hoare triple {21350#(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; {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,186 INFO L290 TraceCheckUtils]: 54: Hoare triple {21350#(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; {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,187 INFO L290 TraceCheckUtils]: 55: Hoare triple {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,187 INFO L290 TraceCheckUtils]: 56: Hoare triple {21350#(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; {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,188 INFO L290 TraceCheckUtils]: 57: Hoare triple {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} assume !(1 == ~c_dr_pc~0); {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,188 INFO L290 TraceCheckUtils]: 58: Hoare triple {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is_do_read_c_triggered_~__retres1~1#1 := 0; {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,188 INFO L290 TraceCheckUtils]: 59: Hoare triple {21350#(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; {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,189 INFO L290 TraceCheckUtils]: 60: Hoare triple {21350#(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; {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,189 INFO L290 TraceCheckUtils]: 61: Hoare triple {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,190 INFO L290 TraceCheckUtils]: 62: Hoare triple {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} assume true; {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,190 INFO L284 TraceCheckUtils]: 63: Hoare quadruple {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} #930#return; {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,191 INFO L290 TraceCheckUtils]: 64: Hoare triple {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} ~q_read_ev~0 := 2; {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,191 INFO L290 TraceCheckUtils]: 65: Hoare triple {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} assume ~p_last_write~0 == ~c_last_read~0; {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} is VALID [2022-02-20 19:54:58,192 INFO L290 TraceCheckUtils]: 66: Hoare triple {21350#(and (= (+ (- 1) ~c_num_read~0) 0) (= ~p_num_write~0 1))} assume !(~p_num_write~0 == ~c_num_read~0); {21163#false} is VALID [2022-02-20 19:54:58,192 INFO L272 TraceCheckUtils]: 67: Hoare triple {21163#false} call error1(); {21163#false} is VALID [2022-02-20 19:54:58,192 INFO L290 TraceCheckUtils]: 68: Hoare triple {21163#false} assume !false; {21163#false} is VALID [2022-02-20 19:54:58,192 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 19:54:58,193 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 19:54:58,363 INFO L290 TraceCheckUtils]: 68: Hoare triple {21163#false} assume !false; {21163#false} is VALID [2022-02-20 19:54:58,363 INFO L272 TraceCheckUtils]: 67: Hoare triple {21163#false} call error1(); {21163#false} is VALID [2022-02-20 19:54:58,363 INFO L290 TraceCheckUtils]: 66: Hoare triple {21417#(= ~c_num_read~0 ~p_num_write~0)} assume !(~p_num_write~0 == ~c_num_read~0); {21163#false} is VALID [2022-02-20 19:54:58,364 INFO L290 TraceCheckUtils]: 65: Hoare triple {21417#(= ~c_num_read~0 ~p_num_write~0)} assume ~p_last_write~0 == ~c_last_read~0; {21417#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:54:58,364 INFO L290 TraceCheckUtils]: 64: Hoare triple {21417#(= ~c_num_read~0 ~p_num_write~0)} ~q_read_ev~0 := 2; {21417#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:54:58,364 INFO L284 TraceCheckUtils]: 63: Hoare quadruple {21162#true} {21417#(= ~c_num_read~0 ~p_num_write~0)} #930#return; {21417#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:54:58,365 INFO L290 TraceCheckUtils]: 62: Hoare triple {21162#true} assume true; {21162#true} is VALID [2022-02-20 19:54:58,365 INFO L290 TraceCheckUtils]: 61: Hoare triple {21162#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {21162#true} is VALID [2022-02-20 19:54:58,365 INFO L290 TraceCheckUtils]: 60: Hoare triple {21162#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; {21162#true} is VALID [2022-02-20 19:54:58,365 INFO L290 TraceCheckUtils]: 59: Hoare triple {21162#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {21162#true} is VALID [2022-02-20 19:54:58,365 INFO L290 TraceCheckUtils]: 58: Hoare triple {21162#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {21162#true} is VALID [2022-02-20 19:54:58,365 INFO L290 TraceCheckUtils]: 57: Hoare triple {21162#true} assume !(1 == ~c_dr_pc~0); {21162#true} is VALID [2022-02-20 19:54:58,365 INFO L290 TraceCheckUtils]: 56: Hoare triple {21162#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; {21162#true} is VALID [2022-02-20 19:54:58,365 INFO L290 TraceCheckUtils]: 55: Hoare triple {21162#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {21162#true} is VALID [2022-02-20 19:54:58,365 INFO L290 TraceCheckUtils]: 54: Hoare triple {21162#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; {21162#true} is VALID [2022-02-20 19:54:58,365 INFO L290 TraceCheckUtils]: 53: Hoare triple {21162#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {21162#true} is VALID [2022-02-20 19:54:58,365 INFO L290 TraceCheckUtils]: 52: Hoare triple {21162#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {21162#true} is VALID [2022-02-20 19:54:58,365 INFO L290 TraceCheckUtils]: 51: Hoare triple {21162#true} assume 1 == ~p_dw_pc~0; {21162#true} is VALID [2022-02-20 19:54:58,365 INFO L290 TraceCheckUtils]: 50: Hoare triple {21162#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; {21162#true} is VALID [2022-02-20 19:54:58,366 INFO L272 TraceCheckUtils]: 49: Hoare triple {21417#(= ~c_num_read~0 ~p_num_write~0)} call immediate_notify_threads(); {21162#true} is VALID [2022-02-20 19:54:58,371 INFO L290 TraceCheckUtils]: 48: Hoare triple {21472#(= (+ ~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; {21417#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:54:58,372 INFO L290 TraceCheckUtils]: 47: Hoare triple {21472#(= (+ ~c_num_read~0 1) ~p_num_write~0)} assume !(1 == ~q_free~0); {21472#(= (+ ~c_num_read~0 1) ~p_num_write~0)} is VALID [2022-02-20 19:54:58,372 INFO L290 TraceCheckUtils]: 46: Hoare triple {21472#(= (+ ~c_num_read~0 1) ~p_num_write~0)} assume !false; {21472#(= (+ ~c_num_read~0 1) ~p_num_write~0)} is VALID [2022-02-20 19:54:58,373 INFO L290 TraceCheckUtils]: 45: Hoare triple {21472#(= (+ ~c_num_read~0 1) ~p_num_write~0)} assume 0 == ~c_dr_pc~0; {21472#(= (+ ~c_num_read~0 1) ~p_num_write~0)} is VALID [2022-02-20 19:54:58,373 INFO L290 TraceCheckUtils]: 44: Hoare triple {21472#(= (+ ~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; {21472#(= (+ ~c_num_read~0 1) ~p_num_write~0)} is VALID [2022-02-20 19:54:58,374 INFO L290 TraceCheckUtils]: 43: Hoare triple {21472#(= (+ ~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; {21472#(= (+ ~c_num_read~0 1) ~p_num_write~0)} is VALID [2022-02-20 19:54:58,374 INFO L290 TraceCheckUtils]: 42: Hoare triple {21472#(= (+ ~c_num_read~0 1) ~p_num_write~0)} assume { :end_inline_do_write_p } true; {21472#(= (+ ~c_num_read~0 1) ~p_num_write~0)} is VALID [2022-02-20 19:54:58,374 INFO L290 TraceCheckUtils]: 41: Hoare triple {21472#(= (+ ~c_num_read~0 1) ~p_num_write~0)} assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; {21472#(= (+ ~c_num_read~0 1) ~p_num_write~0)} is VALID [2022-02-20 19:54:58,375 INFO L290 TraceCheckUtils]: 40: Hoare triple {21472#(= (+ ~c_num_read~0 1) ~p_num_write~0)} assume !false; {21472#(= (+ ~c_num_read~0 1) ~p_num_write~0)} is VALID [2022-02-20 19:54:58,379 INFO L290 TraceCheckUtils]: 39: Hoare triple {21472#(= (+ ~c_num_read~0 1) ~p_num_write~0)} ~q_write_ev~0 := 2; {21472#(= (+ ~c_num_read~0 1) ~p_num_write~0)} is VALID [2022-02-20 19:54:58,380 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {21162#true} {21472#(= (+ ~c_num_read~0 1) ~p_num_write~0)} #928#return; {21472#(= (+ ~c_num_read~0 1) ~p_num_write~0)} is VALID [2022-02-20 19:54:58,380 INFO L290 TraceCheckUtils]: 37: Hoare triple {21162#true} assume true; {21162#true} is VALID [2022-02-20 19:54:58,380 INFO L290 TraceCheckUtils]: 36: Hoare triple {21162#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {21162#true} is VALID [2022-02-20 19:54:58,380 INFO L290 TraceCheckUtils]: 35: Hoare triple {21162#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; {21162#true} is VALID [2022-02-20 19:54:58,380 INFO L290 TraceCheckUtils]: 34: Hoare triple {21162#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {21162#true} is VALID [2022-02-20 19:54:58,380 INFO L290 TraceCheckUtils]: 33: Hoare triple {21162#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {21162#true} is VALID [2022-02-20 19:54:58,381 INFO L290 TraceCheckUtils]: 32: Hoare triple {21162#true} assume !(1 == ~c_dr_pc~0); {21162#true} is VALID [2022-02-20 19:54:58,381 INFO L290 TraceCheckUtils]: 31: Hoare triple {21162#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; {21162#true} is VALID [2022-02-20 19:54:58,381 INFO L290 TraceCheckUtils]: 30: Hoare triple {21162#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {21162#true} is VALID [2022-02-20 19:54:58,381 INFO L290 TraceCheckUtils]: 29: Hoare triple {21162#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; {21162#true} is VALID [2022-02-20 19:54:58,381 INFO L290 TraceCheckUtils]: 28: Hoare triple {21162#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {21162#true} is VALID [2022-02-20 19:54:58,381 INFO L290 TraceCheckUtils]: 27: Hoare triple {21162#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {21162#true} is VALID [2022-02-20 19:54:58,382 INFO L290 TraceCheckUtils]: 26: Hoare triple {21162#true} assume !(1 == ~p_dw_pc~0); {21162#true} is VALID [2022-02-20 19:54:58,382 INFO L290 TraceCheckUtils]: 25: Hoare triple {21162#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; {21162#true} is VALID [2022-02-20 19:54:58,382 INFO L272 TraceCheckUtils]: 24: Hoare triple {21472#(= (+ ~c_num_read~0 1) ~p_num_write~0)} call immediate_notify_threads(); {21162#true} is VALID [2022-02-20 19:54:58,382 INFO L290 TraceCheckUtils]: 23: Hoare triple {21417#(= ~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; {21472#(= (+ ~c_num_read~0 1) ~p_num_write~0)} is VALID [2022-02-20 19:54:58,383 INFO L290 TraceCheckUtils]: 22: Hoare triple {21417#(= ~c_num_read~0 ~p_num_write~0)} assume !(0 == ~q_free~0); {21417#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:54:58,383 INFO L290 TraceCheckUtils]: 21: Hoare triple {21417#(= ~c_num_read~0 ~p_num_write~0)} assume !false; {21417#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:54:58,384 INFO L290 TraceCheckUtils]: 20: Hoare triple {21417#(= ~c_num_read~0 ~p_num_write~0)} assume 0 == ~p_dw_pc~0; {21417#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:54:58,384 INFO L290 TraceCheckUtils]: 19: Hoare triple {21417#(= ~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; {21417#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:54:58,385 INFO L290 TraceCheckUtils]: 18: Hoare triple {21417#(= ~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; {21417#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:54:58,385 INFO L290 TraceCheckUtils]: 17: Hoare triple {21417#(= ~c_num_read~0 ~p_num_write~0)} assume 0 != eval1_~tmp___1~0#1; {21417#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:54:58,385 INFO L290 TraceCheckUtils]: 16: Hoare triple {21417#(= ~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; {21417#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:54:58,386 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {21162#true} {21417#(= ~c_num_read~0 ~p_num_write~0)} #926#return; {21417#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:54:58,386 INFO L290 TraceCheckUtils]: 14: Hoare triple {21162#true} assume true; {21162#true} is VALID [2022-02-20 19:54:58,386 INFO L290 TraceCheckUtils]: 13: Hoare triple {21162#true} #res := ~__retres1~2; {21162#true} is VALID [2022-02-20 19:54:58,386 INFO L290 TraceCheckUtils]: 12: Hoare triple {21162#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {21162#true} is VALID [2022-02-20 19:54:58,387 INFO L290 TraceCheckUtils]: 11: Hoare triple {21162#true} havoc ~__retres1~2; {21162#true} is VALID [2022-02-20 19:54:58,387 INFO L272 TraceCheckUtils]: 10: Hoare triple {21417#(= ~c_num_read~0 ~p_num_write~0)} call eval1_#t~ret8#1 := exists_runnable_thread1(); {21162#true} is VALID [2022-02-20 19:54:58,387 INFO L290 TraceCheckUtils]: 9: Hoare triple {21417#(= ~c_num_read~0 ~p_num_write~0)} assume !false; {21417#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:54:58,388 INFO L290 TraceCheckUtils]: 8: Hoare triple {21417#(= ~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; {21417#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:54:58,388 INFO L290 TraceCheckUtils]: 7: Hoare triple {21417#(= ~c_num_read~0 ~p_num_write~0)} assume !false; {21417#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:54:58,388 INFO L290 TraceCheckUtils]: 6: Hoare triple {21417#(= ~c_num_read~0 ~p_num_write~0)} assume { :end_inline_init_threads1 } true; {21417#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:54:58,389 INFO L290 TraceCheckUtils]: 5: Hoare triple {21417#(= ~c_num_read~0 ~p_num_write~0)} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {21417#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:54:58,389 INFO L290 TraceCheckUtils]: 4: Hoare triple {21417#(= ~c_num_read~0 ~p_num_write~0)} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {21417#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:54:58,390 INFO L290 TraceCheckUtils]: 3: Hoare triple {21417#(= ~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; {21417#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:54:58,390 INFO L290 TraceCheckUtils]: 2: Hoare triple {21162#true} assume 0 != main_#t~nondet32#1;havoc main_#t~nondet32#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; {21417#(= ~c_num_read~0 ~p_num_write~0)} is VALID [2022-02-20 19:54:58,390 INFO L290 TraceCheckUtils]: 1: Hoare triple {21162#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet32#1, main_#t~ret33#1, main_#t~ret34#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {21162#true} is VALID [2022-02-20 19:54:58,390 INFO L290 TraceCheckUtils]: 0: Hoare triple {21162#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;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0; {21162#true} is VALID [2022-02-20 19:54:58,391 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 19:54:58,391 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366787613] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 19:54:58,391 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 19:54:58,391 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 4] total 11 [2022-02-20 19:54:58,392 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809341842] [2022-02-20 19:54:58,392 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 19:54:58,393 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 19:54:58,393 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:54:58,393 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 19:54:58,514 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 19:54:58,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-20 19:54:58,514 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:54:58,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-20 19:54:58,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-02-20 19:54:58,515 INFO L87 Difference]: Start difference. First operand 873 states and 1167 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 19:55:03,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:03,082 INFO L93 Difference]: Finished difference Result 2573 states and 3387 transitions. [2022-02-20 19:55:03,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-20 19:55:03,082 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 19:55:03,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:55:03,083 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 19:55:03,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 898 transitions. [2022-02-20 19:55:03,092 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 19:55:03,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 898 transitions. [2022-02-20 19:55:03,099 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 41 states and 898 transitions. [2022-02-20 19:55:03,812 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 898 edges. 898 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:04,082 INFO L225 Difference]: With dead ends: 2573 [2022-02-20 19:55:04,082 INFO L226 Difference]: Without dead ends: 2029 [2022-02-20 19:55:04,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 152 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 461 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=324, Invalid=1482, Unknown=0, NotChecked=0, Total=1806 [2022-02-20 19:55:04,088 INFO L933 BasicCegarLoop]: 490 mSDtfsCounter, 817 mSDsluCounter, 2290 mSDsCounter, 0 mSdLazyCounter, 1282 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 842 SdHoareTripleChecker+Valid, 2780 SdHoareTripleChecker+Invalid, 1322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-02-20 19:55:04,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [842 Valid, 2780 Invalid, 1322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1282 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-02-20 19:55:04,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2029 states. [2022-02-20 19:55:04,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2029 to 1262. [2022-02-20 19:55:04,315 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:55:04,317 INFO L82 GeneralOperation]: Start isEquivalent. First operand 2029 states. Second operand has 1262 states, 1118 states have (on average 1.295169946332737) internal successors, (1448), 1136 states have internal predecessors, (1448), 83 states have call successors, (83), 49 states have call predecessors, (83), 59 states have return successors, (124), 77 states have call predecessors, (124), 82 states have call successors, (124) [2022-02-20 19:55:04,319 INFO L74 IsIncluded]: Start isIncluded. First operand 2029 states. Second operand has 1262 states, 1118 states have (on average 1.295169946332737) internal successors, (1448), 1136 states have internal predecessors, (1448), 83 states have call successors, (83), 49 states have call predecessors, (83), 59 states have return successors, (124), 77 states have call predecessors, (124), 82 states have call successors, (124) [2022-02-20 19:55:04,320 INFO L87 Difference]: Start difference. First operand 2029 states. Second operand has 1262 states, 1118 states have (on average 1.295169946332737) internal successors, (1448), 1136 states have internal predecessors, (1448), 83 states have call successors, (83), 49 states have call predecessors, (83), 59 states have return successors, (124), 77 states have call predecessors, (124), 82 states have call successors, (124) [2022-02-20 19:55:04,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:04,482 INFO L93 Difference]: Finished difference Result 2029 states and 2613 transitions. [2022-02-20 19:55:04,482 INFO L276 IsEmpty]: Start isEmpty. Operand 2029 states and 2613 transitions. [2022-02-20 19:55:04,487 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:04,487 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:04,489 INFO L74 IsIncluded]: Start isIncluded. First operand has 1262 states, 1118 states have (on average 1.295169946332737) internal successors, (1448), 1136 states have internal predecessors, (1448), 83 states have call successors, (83), 49 states have call predecessors, (83), 59 states have return successors, (124), 77 states have call predecessors, (124), 82 states have call successors, (124) Second operand 2029 states. [2022-02-20 19:55:04,491 INFO L87 Difference]: Start difference. First operand has 1262 states, 1118 states have (on average 1.295169946332737) internal successors, (1448), 1136 states have internal predecessors, (1448), 83 states have call successors, (83), 49 states have call predecessors, (83), 59 states have return successors, (124), 77 states have call predecessors, (124), 82 states have call successors, (124) Second operand 2029 states. [2022-02-20 19:55:04,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:04,625 INFO L93 Difference]: Finished difference Result 2029 states and 2613 transitions. [2022-02-20 19:55:04,625 INFO L276 IsEmpty]: Start isEmpty. Operand 2029 states and 2613 transitions. [2022-02-20 19:55:04,629 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:04,629 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:04,629 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:55:04,629 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:55:04,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1262 states, 1118 states have (on average 1.295169946332737) internal successors, (1448), 1136 states have internal predecessors, (1448), 83 states have call successors, (83), 49 states have call predecessors, (83), 59 states have return successors, (124), 77 states have call predecessors, (124), 82 states have call successors, (124) [2022-02-20 19:55:04,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 1262 states and 1655 transitions. [2022-02-20 19:55:04,730 INFO L78 Accepts]: Start accepts. Automaton has 1262 states and 1655 transitions. Word has length 69 [2022-02-20 19:55:04,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:55:04,730 INFO L470 AbstractCegarLoop]: Abstraction has 1262 states and 1655 transitions. [2022-02-20 19:55:04,731 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 19:55:04,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 1655 transitions. [2022-02-20 19:55:04,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-02-20 19:55:04,734 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:55:04,734 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 19:55:04,758 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 19:55:04,943 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,SelfDestructingSolverStorable6 [2022-02-20 19:55:04,943 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:55:04,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:55:04,944 INFO L85 PathProgramCache]: Analyzing trace with hash -888130838, now seen corresponding path program 1 times [2022-02-20 19:55:04,944 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:55:04,944 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813129887] [2022-02-20 19:55:04,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:55:04,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:55:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:04,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-02-20 19:55:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:04,984 INFO L290 TraceCheckUtils]: 0: Hoare triple {31029#true} havoc ~__retres1~2; {31029#true} is VALID [2022-02-20 19:55:04,984 INFO L290 TraceCheckUtils]: 1: Hoare triple {31029#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {31029#true} is VALID [2022-02-20 19:55:04,984 INFO L290 TraceCheckUtils]: 2: Hoare triple {31029#true} #res := ~__retres1~2; {31029#true} is VALID [2022-02-20 19:55:04,985 INFO L290 TraceCheckUtils]: 3: Hoare triple {31029#true} assume true; {31029#true} is VALID [2022-02-20 19:55:04,985 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {31029#true} {31029#true} #926#return; {31029#true} is VALID [2022-02-20 19:55:04,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-02-20 19:55:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:05,035 INFO L290 TraceCheckUtils]: 0: Hoare triple {31078#(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; {31029#true} is VALID [2022-02-20 19:55:05,035 INFO L290 TraceCheckUtils]: 1: Hoare triple {31029#true} assume !(1 == ~p_dw_pc~0); {31029#true} is VALID [2022-02-20 19:55:05,035 INFO L290 TraceCheckUtils]: 2: Hoare triple {31029#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {31029#true} is VALID [2022-02-20 19:55:05,035 INFO L290 TraceCheckUtils]: 3: Hoare triple {31029#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {31029#true} is VALID [2022-02-20 19:55:05,036 INFO L290 TraceCheckUtils]: 4: Hoare triple {31029#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; {31029#true} is VALID [2022-02-20 19:55:05,036 INFO L290 TraceCheckUtils]: 5: Hoare triple {31029#true} assume !(0 != ~tmp~0#1); {31029#true} is VALID [2022-02-20 19:55:05,036 INFO L290 TraceCheckUtils]: 6: Hoare triple {31029#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; {31029#true} is VALID [2022-02-20 19:55:05,036 INFO L290 TraceCheckUtils]: 7: Hoare triple {31029#true} assume !(1 == ~c_dr_pc~0); {31029#true} is VALID [2022-02-20 19:55:05,037 INFO L290 TraceCheckUtils]: 8: Hoare triple {31029#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {31079#(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 19:55:05,037 INFO L290 TraceCheckUtils]: 9: Hoare triple {31079#(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; {31080#(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 19:55:05,038 INFO L290 TraceCheckUtils]: 10: Hoare triple {31080#(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; {31081#(and (<= |immediate_notify_threads_~tmp___0~0#1| 0) (< 0 (+ |immediate_notify_threads_~tmp___0~0#1| 1)))} is VALID [2022-02-20 19:55:05,038 INFO L290 TraceCheckUtils]: 11: Hoare triple {31081#(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; {31030#false} is VALID [2022-02-20 19:55:05,038 INFO L290 TraceCheckUtils]: 12: Hoare triple {31030#false} assume true; {31030#false} is VALID [2022-02-20 19:55:05,038 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {31030#false} {31029#true} #928#return; {31030#false} is VALID [2022-02-20 19:55:05,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-02-20 19:55:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:05,045 INFO L290 TraceCheckUtils]: 0: Hoare triple {31078#(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; {31029#true} is VALID [2022-02-20 19:55:05,045 INFO L290 TraceCheckUtils]: 1: Hoare triple {31029#true} assume !(1 == ~p_dw_pc~0); {31029#true} is VALID [2022-02-20 19:55:05,045 INFO L290 TraceCheckUtils]: 2: Hoare triple {31029#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {31029#true} is VALID [2022-02-20 19:55:05,045 INFO L290 TraceCheckUtils]: 3: Hoare triple {31029#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {31029#true} is VALID [2022-02-20 19:55:05,045 INFO L290 TraceCheckUtils]: 4: Hoare triple {31029#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; {31029#true} is VALID [2022-02-20 19:55:05,046 INFO L290 TraceCheckUtils]: 5: Hoare triple {31029#true} assume !(0 != ~tmp~0#1); {31029#true} is VALID [2022-02-20 19:55:05,046 INFO L290 TraceCheckUtils]: 6: Hoare triple {31029#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; {31029#true} is VALID [2022-02-20 19:55:05,046 INFO L290 TraceCheckUtils]: 7: Hoare triple {31029#true} assume !(1 == ~c_dr_pc~0); {31029#true} is VALID [2022-02-20 19:55:05,046 INFO L290 TraceCheckUtils]: 8: Hoare triple {31029#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {31029#true} is VALID [2022-02-20 19:55:05,046 INFO L290 TraceCheckUtils]: 9: Hoare triple {31029#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {31029#true} is VALID [2022-02-20 19:55:05,046 INFO L290 TraceCheckUtils]: 10: Hoare triple {31029#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; {31029#true} is VALID [2022-02-20 19:55:05,046 INFO L290 TraceCheckUtils]: 11: Hoare triple {31029#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {31029#true} is VALID [2022-02-20 19:55:05,047 INFO L290 TraceCheckUtils]: 12: Hoare triple {31029#true} assume true; {31029#true} is VALID [2022-02-20 19:55:05,047 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {31029#true} {31030#false} #928#return; {31030#false} is VALID [2022-02-20 19:55:05,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-02-20 19:55:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:05,056 INFO L290 TraceCheckUtils]: 0: Hoare triple {31078#(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; {31029#true} is VALID [2022-02-20 19:55:05,056 INFO L290 TraceCheckUtils]: 1: Hoare triple {31029#true} assume 1 == ~p_dw_pc~0; {31029#true} is VALID [2022-02-20 19:55:05,056 INFO L290 TraceCheckUtils]: 2: Hoare triple {31029#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {31029#true} is VALID [2022-02-20 19:55:05,056 INFO L290 TraceCheckUtils]: 3: Hoare triple {31029#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {31029#true} is VALID [2022-02-20 19:55:05,056 INFO L290 TraceCheckUtils]: 4: Hoare triple {31029#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; {31029#true} is VALID [2022-02-20 19:55:05,057 INFO L290 TraceCheckUtils]: 5: Hoare triple {31029#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {31029#true} is VALID [2022-02-20 19:55:05,057 INFO L290 TraceCheckUtils]: 6: Hoare triple {31029#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; {31029#true} is VALID [2022-02-20 19:55:05,057 INFO L290 TraceCheckUtils]: 7: Hoare triple {31029#true} assume !(1 == ~c_dr_pc~0); {31029#true} is VALID [2022-02-20 19:55:05,057 INFO L290 TraceCheckUtils]: 8: Hoare triple {31029#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {31029#true} is VALID [2022-02-20 19:55:05,057 INFO L290 TraceCheckUtils]: 9: Hoare triple {31029#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {31029#true} is VALID [2022-02-20 19:55:05,057 INFO L290 TraceCheckUtils]: 10: Hoare triple {31029#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; {31029#true} is VALID [2022-02-20 19:55:05,058 INFO L290 TraceCheckUtils]: 11: Hoare triple {31029#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {31029#true} is VALID [2022-02-20 19:55:05,058 INFO L290 TraceCheckUtils]: 12: Hoare triple {31029#true} assume true; {31029#true} is VALID [2022-02-20 19:55:05,058 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {31029#true} {31030#false} #930#return; {31030#false} is VALID [2022-02-20 19:55:05,058 INFO L290 TraceCheckUtils]: 0: Hoare triple {31029#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;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0; {31029#true} is VALID [2022-02-20 19:55:05,058 INFO L290 TraceCheckUtils]: 1: Hoare triple {31029#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet32#1, main_#t~ret33#1, main_#t~ret34#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {31029#true} is VALID [2022-02-20 19:55:05,058 INFO L290 TraceCheckUtils]: 2: Hoare triple {31029#true} assume 0 != main_#t~nondet32#1;havoc main_#t~nondet32#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; {31029#true} is VALID [2022-02-20 19:55:05,059 INFO L290 TraceCheckUtils]: 3: Hoare triple {31029#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; {31029#true} is VALID [2022-02-20 19:55:05,059 INFO L290 TraceCheckUtils]: 4: Hoare triple {31029#true} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {31029#true} is VALID [2022-02-20 19:55:05,059 INFO L290 TraceCheckUtils]: 5: Hoare triple {31029#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {31029#true} is VALID [2022-02-20 19:55:05,059 INFO L290 TraceCheckUtils]: 6: Hoare triple {31029#true} assume { :end_inline_init_threads1 } true; {31029#true} is VALID [2022-02-20 19:55:05,059 INFO L290 TraceCheckUtils]: 7: Hoare triple {31029#true} assume !false; {31029#true} is VALID [2022-02-20 19:55:05,059 INFO L290 TraceCheckUtils]: 8: Hoare triple {31029#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; {31029#true} is VALID [2022-02-20 19:55:05,060 INFO L290 TraceCheckUtils]: 9: Hoare triple {31029#true} assume !false; {31029#true} is VALID [2022-02-20 19:55:05,060 INFO L272 TraceCheckUtils]: 10: Hoare triple {31029#true} call eval1_#t~ret8#1 := exists_runnable_thread1(); {31029#true} is VALID [2022-02-20 19:55:05,060 INFO L290 TraceCheckUtils]: 11: Hoare triple {31029#true} havoc ~__retres1~2; {31029#true} is VALID [2022-02-20 19:55:05,060 INFO L290 TraceCheckUtils]: 12: Hoare triple {31029#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {31029#true} is VALID [2022-02-20 19:55:05,060 INFO L290 TraceCheckUtils]: 13: Hoare triple {31029#true} #res := ~__retres1~2; {31029#true} is VALID [2022-02-20 19:55:05,060 INFO L290 TraceCheckUtils]: 14: Hoare triple {31029#true} assume true; {31029#true} is VALID [2022-02-20 19:55:05,061 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {31029#true} {31029#true} #926#return; {31029#true} is VALID [2022-02-20 19:55:05,061 INFO L290 TraceCheckUtils]: 16: Hoare triple {31029#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; {31029#true} is VALID [2022-02-20 19:55:05,061 INFO L290 TraceCheckUtils]: 17: Hoare triple {31029#true} assume 0 != eval1_~tmp___1~0#1; {31029#true} is VALID [2022-02-20 19:55:05,061 INFO L290 TraceCheckUtils]: 18: Hoare triple {31029#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; {31029#true} is VALID [2022-02-20 19:55:05,061 INFO L290 TraceCheckUtils]: 19: Hoare triple {31029#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; {31029#true} is VALID [2022-02-20 19:55:05,061 INFO L290 TraceCheckUtils]: 20: Hoare triple {31029#true} assume 0 == ~p_dw_pc~0; {31029#true} is VALID [2022-02-20 19:55:05,061 INFO L290 TraceCheckUtils]: 21: Hoare triple {31029#true} assume !false; {31029#true} is VALID [2022-02-20 19:55:05,062 INFO L290 TraceCheckUtils]: 22: Hoare triple {31029#true} assume !(0 == ~q_free~0); {31029#true} is VALID [2022-02-20 19:55:05,062 INFO L290 TraceCheckUtils]: 23: Hoare triple {31029#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; {31029#true} is VALID [2022-02-20 19:55:05,062 INFO L272 TraceCheckUtils]: 24: Hoare triple {31029#true} call immediate_notify_threads(); {31078#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:55:05,062 INFO L290 TraceCheckUtils]: 25: Hoare triple {31078#(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; {31029#true} is VALID [2022-02-20 19:55:05,063 INFO L290 TraceCheckUtils]: 26: Hoare triple {31029#true} assume !(1 == ~p_dw_pc~0); {31029#true} is VALID [2022-02-20 19:55:05,063 INFO L290 TraceCheckUtils]: 27: Hoare triple {31029#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {31029#true} is VALID [2022-02-20 19:55:05,063 INFO L290 TraceCheckUtils]: 28: Hoare triple {31029#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {31029#true} is VALID [2022-02-20 19:55:05,063 INFO L290 TraceCheckUtils]: 29: Hoare triple {31029#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; {31029#true} is VALID [2022-02-20 19:55:05,063 INFO L290 TraceCheckUtils]: 30: Hoare triple {31029#true} assume !(0 != ~tmp~0#1); {31029#true} is VALID [2022-02-20 19:55:05,063 INFO L290 TraceCheckUtils]: 31: Hoare triple {31029#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; {31029#true} is VALID [2022-02-20 19:55:05,064 INFO L290 TraceCheckUtils]: 32: Hoare triple {31029#true} assume !(1 == ~c_dr_pc~0); {31029#true} is VALID [2022-02-20 19:55:05,064 INFO L290 TraceCheckUtils]: 33: Hoare triple {31029#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {31079#(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 19:55:05,064 INFO L290 TraceCheckUtils]: 34: Hoare triple {31079#(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; {31080#(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 19:55:05,065 INFO L290 TraceCheckUtils]: 35: Hoare triple {31080#(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; {31081#(and (<= |immediate_notify_threads_~tmp___0~0#1| 0) (< 0 (+ |immediate_notify_threads_~tmp___0~0#1| 1)))} is VALID [2022-02-20 19:55:05,065 INFO L290 TraceCheckUtils]: 36: Hoare triple {31081#(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; {31030#false} is VALID [2022-02-20 19:55:05,066 INFO L290 TraceCheckUtils]: 37: Hoare triple {31030#false} assume true; {31030#false} is VALID [2022-02-20 19:55:05,066 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {31030#false} {31029#true} #928#return; {31030#false} is VALID [2022-02-20 19:55:05,066 INFO L290 TraceCheckUtils]: 39: Hoare triple {31030#false} ~q_write_ev~0 := 2; {31030#false} is VALID [2022-02-20 19:55:05,066 INFO L290 TraceCheckUtils]: 40: Hoare triple {31030#false} assume !false; {31030#false} is VALID [2022-02-20 19:55:05,066 INFO L290 TraceCheckUtils]: 41: Hoare triple {31030#false} assume !(0 == ~q_free~0); {31030#false} is VALID [2022-02-20 19:55:05,066 INFO L290 TraceCheckUtils]: 42: Hoare triple {31030#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; {31030#false} is VALID [2022-02-20 19:55:05,066 INFO L272 TraceCheckUtils]: 43: Hoare triple {31030#false} call immediate_notify_threads(); {31078#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:55:05,067 INFO L290 TraceCheckUtils]: 44: Hoare triple {31078#(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; {31029#true} is VALID [2022-02-20 19:55:05,067 INFO L290 TraceCheckUtils]: 45: Hoare triple {31029#true} assume !(1 == ~p_dw_pc~0); {31029#true} is VALID [2022-02-20 19:55:05,067 INFO L290 TraceCheckUtils]: 46: Hoare triple {31029#true} is_do_write_p_triggered_~__retres1~0#1 := 0; {31029#true} is VALID [2022-02-20 19:55:05,067 INFO L290 TraceCheckUtils]: 47: Hoare triple {31029#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {31029#true} is VALID [2022-02-20 19:55:05,067 INFO L290 TraceCheckUtils]: 48: Hoare triple {31029#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; {31029#true} is VALID [2022-02-20 19:55:05,067 INFO L290 TraceCheckUtils]: 49: Hoare triple {31029#true} assume !(0 != ~tmp~0#1); {31029#true} is VALID [2022-02-20 19:55:05,068 INFO L290 TraceCheckUtils]: 50: Hoare triple {31029#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; {31029#true} is VALID [2022-02-20 19:55:05,069 INFO L290 TraceCheckUtils]: 51: Hoare triple {31029#true} assume !(1 == ~c_dr_pc~0); {31029#true} is VALID [2022-02-20 19:55:05,069 INFO L290 TraceCheckUtils]: 52: Hoare triple {31029#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {31029#true} is VALID [2022-02-20 19:55:05,070 INFO L290 TraceCheckUtils]: 53: Hoare triple {31029#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {31029#true} is VALID [2022-02-20 19:55:05,070 INFO L290 TraceCheckUtils]: 54: Hoare triple {31029#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; {31029#true} is VALID [2022-02-20 19:55:05,070 INFO L290 TraceCheckUtils]: 55: Hoare triple {31029#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {31029#true} is VALID [2022-02-20 19:55:05,070 INFO L290 TraceCheckUtils]: 56: Hoare triple {31029#true} assume true; {31029#true} is VALID [2022-02-20 19:55:05,070 INFO L284 TraceCheckUtils]: 57: Hoare quadruple {31029#true} {31030#false} #928#return; {31030#false} is VALID [2022-02-20 19:55:05,070 INFO L290 TraceCheckUtils]: 58: Hoare triple {31030#false} ~q_write_ev~0 := 2; {31030#false} is VALID [2022-02-20 19:55:05,071 INFO L290 TraceCheckUtils]: 59: Hoare triple {31030#false} assume !false; {31030#false} is VALID [2022-02-20 19:55:05,071 INFO L290 TraceCheckUtils]: 60: Hoare triple {31030#false} assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; {31030#false} is VALID [2022-02-20 19:55:05,071 INFO L290 TraceCheckUtils]: 61: Hoare triple {31030#false} assume { :end_inline_do_write_p } true; {31030#false} is VALID [2022-02-20 19:55:05,071 INFO L290 TraceCheckUtils]: 62: Hoare triple {31030#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; {31030#false} is VALID [2022-02-20 19:55:05,071 INFO L290 TraceCheckUtils]: 63: Hoare triple {31030#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; {31030#false} is VALID [2022-02-20 19:55:05,071 INFO L290 TraceCheckUtils]: 64: Hoare triple {31030#false} assume 0 == ~c_dr_pc~0; {31030#false} is VALID [2022-02-20 19:55:05,071 INFO L290 TraceCheckUtils]: 65: Hoare triple {31030#false} assume !false; {31030#false} is VALID [2022-02-20 19:55:05,072 INFO L290 TraceCheckUtils]: 66: Hoare triple {31030#false} assume !(1 == ~q_free~0); {31030#false} is VALID [2022-02-20 19:55:05,072 INFO L290 TraceCheckUtils]: 67: Hoare triple {31030#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; {31030#false} is VALID [2022-02-20 19:55:05,072 INFO L272 TraceCheckUtils]: 68: Hoare triple {31030#false} call immediate_notify_threads(); {31078#(and (= |old(~p_dw_st~0)| ~p_dw_st~0) (= ~c_dr_st~0 |old(~c_dr_st~0)|))} is VALID [2022-02-20 19:55:05,072 INFO L290 TraceCheckUtils]: 69: Hoare triple {31078#(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; {31029#true} is VALID [2022-02-20 19:55:05,072 INFO L290 TraceCheckUtils]: 70: Hoare triple {31029#true} assume 1 == ~p_dw_pc~0; {31029#true} is VALID [2022-02-20 19:55:05,072 INFO L290 TraceCheckUtils]: 71: Hoare triple {31029#true} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {31029#true} is VALID [2022-02-20 19:55:05,073 INFO L290 TraceCheckUtils]: 72: Hoare triple {31029#true} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {31029#true} is VALID [2022-02-20 19:55:05,073 INFO L290 TraceCheckUtils]: 73: Hoare triple {31029#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; {31029#true} is VALID [2022-02-20 19:55:05,073 INFO L290 TraceCheckUtils]: 74: Hoare triple {31029#true} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {31029#true} is VALID [2022-02-20 19:55:05,073 INFO L290 TraceCheckUtils]: 75: Hoare triple {31029#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; {31029#true} is VALID [2022-02-20 19:55:05,073 INFO L290 TraceCheckUtils]: 76: Hoare triple {31029#true} assume !(1 == ~c_dr_pc~0); {31029#true} is VALID [2022-02-20 19:55:05,073 INFO L290 TraceCheckUtils]: 77: Hoare triple {31029#true} is_do_read_c_triggered_~__retres1~1#1 := 0; {31029#true} is VALID [2022-02-20 19:55:05,073 INFO L290 TraceCheckUtils]: 78: Hoare triple {31029#true} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {31029#true} is VALID [2022-02-20 19:55:05,074 INFO L290 TraceCheckUtils]: 79: Hoare triple {31029#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; {31029#true} is VALID [2022-02-20 19:55:05,074 INFO L290 TraceCheckUtils]: 80: Hoare triple {31029#true} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {31029#true} is VALID [2022-02-20 19:55:05,074 INFO L290 TraceCheckUtils]: 81: Hoare triple {31029#true} assume true; {31029#true} is VALID [2022-02-20 19:55:05,074 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {31029#true} {31030#false} #930#return; {31030#false} is VALID [2022-02-20 19:55:05,074 INFO L290 TraceCheckUtils]: 83: Hoare triple {31030#false} ~q_read_ev~0 := 2; {31030#false} is VALID [2022-02-20 19:55:05,074 INFO L290 TraceCheckUtils]: 84: Hoare triple {31030#false} assume ~p_last_write~0 == ~c_last_read~0; {31030#false} is VALID [2022-02-20 19:55:05,075 INFO L290 TraceCheckUtils]: 85: Hoare triple {31030#false} assume !(~p_num_write~0 == ~c_num_read~0); {31030#false} is VALID [2022-02-20 19:55:05,075 INFO L272 TraceCheckUtils]: 86: Hoare triple {31030#false} call error1(); {31030#false} is VALID [2022-02-20 19:55:05,075 INFO L290 TraceCheckUtils]: 87: Hoare triple {31030#false} assume !false; {31030#false} is VALID [2022-02-20 19:55:05,075 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 19:55:05,075 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:55:05,076 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813129887] [2022-02-20 19:55:05,076 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813129887] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 19:55:05,076 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191389660] [2022-02-20 19:55:05,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:55:05,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 19:55:05,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 19:55:05,077 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 19:55:05,107 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 19:55:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:05,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-20 19:55:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:05,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 19:55:05,376 INFO L290 TraceCheckUtils]: 0: Hoare triple {31029#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;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0; {31029#true} is VALID [2022-02-20 19:55:05,376 INFO L290 TraceCheckUtils]: 1: Hoare triple {31029#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet32#1, main_#t~ret33#1, main_#t~ret34#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {31029#true} is VALID [2022-02-20 19:55:05,376 INFO L290 TraceCheckUtils]: 2: Hoare triple {31029#true} assume 0 != main_#t~nondet32#1;havoc main_#t~nondet32#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; {31029#true} is VALID [2022-02-20 19:55:05,376 INFO L290 TraceCheckUtils]: 3: Hoare triple {31029#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; {31029#true} is VALID [2022-02-20 19:55:05,376 INFO L290 TraceCheckUtils]: 4: Hoare triple {31029#true} assume 1 == ~p_dw_i~0;~p_dw_st~0 := 0; {31029#true} is VALID [2022-02-20 19:55:05,376 INFO L290 TraceCheckUtils]: 5: Hoare triple {31029#true} assume 1 == ~c_dr_i~0;~c_dr_st~0 := 0; {31029#true} is VALID [2022-02-20 19:55:05,376 INFO L290 TraceCheckUtils]: 6: Hoare triple {31029#true} assume { :end_inline_init_threads1 } true; {31029#true} is VALID [2022-02-20 19:55:05,377 INFO L290 TraceCheckUtils]: 7: Hoare triple {31029#true} assume !false; {31029#true} is VALID [2022-02-20 19:55:05,377 INFO L290 TraceCheckUtils]: 8: Hoare triple {31029#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; {31029#true} is VALID [2022-02-20 19:55:05,377 INFO L290 TraceCheckUtils]: 9: Hoare triple {31029#true} assume !false; {31029#true} is VALID [2022-02-20 19:55:05,377 INFO L272 TraceCheckUtils]: 10: Hoare triple {31029#true} call eval1_#t~ret8#1 := exists_runnable_thread1(); {31029#true} is VALID [2022-02-20 19:55:05,377 INFO L290 TraceCheckUtils]: 11: Hoare triple {31029#true} havoc ~__retres1~2; {31029#true} is VALID [2022-02-20 19:55:05,377 INFO L290 TraceCheckUtils]: 12: Hoare triple {31029#true} assume 0 == ~p_dw_st~0;~__retres1~2 := 1; {31029#true} is VALID [2022-02-20 19:55:05,377 INFO L290 TraceCheckUtils]: 13: Hoare triple {31029#true} #res := ~__retres1~2; {31029#true} is VALID [2022-02-20 19:55:05,377 INFO L290 TraceCheckUtils]: 14: Hoare triple {31029#true} assume true; {31029#true} is VALID [2022-02-20 19:55:05,377 INFO L284 TraceCheckUtils]: 15: Hoare quadruple {31029#true} {31029#true} #926#return; {31029#true} is VALID [2022-02-20 19:55:05,377 INFO L290 TraceCheckUtils]: 16: Hoare triple {31029#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; {31029#true} is VALID [2022-02-20 19:55:05,377 INFO L290 TraceCheckUtils]: 17: Hoare triple {31029#true} assume 0 != eval1_~tmp___1~0#1; {31029#true} is VALID [2022-02-20 19:55:05,377 INFO L290 TraceCheckUtils]: 18: Hoare triple {31029#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; {31029#true} is VALID [2022-02-20 19:55:05,377 INFO L290 TraceCheckUtils]: 19: Hoare triple {31029#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; {31029#true} is VALID [2022-02-20 19:55:05,377 INFO L290 TraceCheckUtils]: 20: Hoare triple {31029#true} assume 0 == ~p_dw_pc~0; {31029#true} is VALID [2022-02-20 19:55:05,378 INFO L290 TraceCheckUtils]: 21: Hoare triple {31029#true} assume !false; {31029#true} is VALID [2022-02-20 19:55:05,378 INFO L290 TraceCheckUtils]: 22: Hoare triple {31029#true} assume !(0 == ~q_free~0); {31029#true} is VALID [2022-02-20 19:55:05,378 INFO L290 TraceCheckUtils]: 23: Hoare triple {31029#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; {31154#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:05,379 INFO L272 TraceCheckUtils]: 24: Hoare triple {31154#(= ~q_free~0 0)} call immediate_notify_threads(); {31154#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:05,379 INFO L290 TraceCheckUtils]: 25: Hoare triple {31154#(= ~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; {31154#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:05,379 INFO L290 TraceCheckUtils]: 26: Hoare triple {31154#(= ~q_free~0 0)} assume !(1 == ~p_dw_pc~0); {31154#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:05,380 INFO L290 TraceCheckUtils]: 27: Hoare triple {31154#(= ~q_free~0 0)} is_do_write_p_triggered_~__retres1~0#1 := 0; {31154#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:05,380 INFO L290 TraceCheckUtils]: 28: Hoare triple {31154#(= ~q_free~0 0)} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {31154#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:05,380 INFO L290 TraceCheckUtils]: 29: Hoare triple {31154#(= ~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; {31154#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:05,382 INFO L290 TraceCheckUtils]: 30: Hoare triple {31154#(= ~q_free~0 0)} assume !(0 != ~tmp~0#1); {31154#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:05,382 INFO L290 TraceCheckUtils]: 31: Hoare triple {31154#(= ~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; {31154#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:05,382 INFO L290 TraceCheckUtils]: 32: Hoare triple {31154#(= ~q_free~0 0)} assume !(1 == ~c_dr_pc~0); {31154#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:05,382 INFO L290 TraceCheckUtils]: 33: Hoare triple {31154#(= ~q_free~0 0)} is_do_read_c_triggered_~__retres1~1#1 := 0; {31154#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:05,383 INFO L290 TraceCheckUtils]: 34: Hoare triple {31154#(= ~q_free~0 0)} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {31154#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:05,383 INFO L290 TraceCheckUtils]: 35: Hoare triple {31154#(= ~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; {31154#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:05,383 INFO L290 TraceCheckUtils]: 36: Hoare triple {31154#(= ~q_free~0 0)} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {31154#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:05,384 INFO L290 TraceCheckUtils]: 37: Hoare triple {31154#(= ~q_free~0 0)} assume true; {31154#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:05,384 INFO L284 TraceCheckUtils]: 38: Hoare quadruple {31154#(= ~q_free~0 0)} {31154#(= ~q_free~0 0)} #928#return; {31154#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:05,384 INFO L290 TraceCheckUtils]: 39: Hoare triple {31154#(= ~q_free~0 0)} ~q_write_ev~0 := 2; {31154#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:05,384 INFO L290 TraceCheckUtils]: 40: Hoare triple {31154#(= ~q_free~0 0)} assume !false; {31154#(= ~q_free~0 0)} is VALID [2022-02-20 19:55:05,385 INFO L290 TraceCheckUtils]: 41: Hoare triple {31154#(= ~q_free~0 0)} assume !(0 == ~q_free~0); {31030#false} is VALID [2022-02-20 19:55:05,385 INFO L290 TraceCheckUtils]: 42: Hoare triple {31030#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; {31030#false} is VALID [2022-02-20 19:55:05,385 INFO L272 TraceCheckUtils]: 43: Hoare triple {31030#false} call immediate_notify_threads(); {31030#false} is VALID [2022-02-20 19:55:05,386 INFO L290 TraceCheckUtils]: 44: Hoare triple {31030#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; {31030#false} is VALID [2022-02-20 19:55:05,386 INFO L290 TraceCheckUtils]: 45: Hoare triple {31030#false} assume !(1 == ~p_dw_pc~0); {31030#false} is VALID [2022-02-20 19:55:05,386 INFO L290 TraceCheckUtils]: 46: Hoare triple {31030#false} is_do_write_p_triggered_~__retres1~0#1 := 0; {31030#false} is VALID [2022-02-20 19:55:05,386 INFO L290 TraceCheckUtils]: 47: Hoare triple {31030#false} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {31030#false} is VALID [2022-02-20 19:55:05,386 INFO L290 TraceCheckUtils]: 48: Hoare triple {31030#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; {31030#false} is VALID [2022-02-20 19:55:05,386 INFO L290 TraceCheckUtils]: 49: Hoare triple {31030#false} assume !(0 != ~tmp~0#1); {31030#false} is VALID [2022-02-20 19:55:05,386 INFO L290 TraceCheckUtils]: 50: Hoare triple {31030#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; {31030#false} is VALID [2022-02-20 19:55:05,387 INFO L290 TraceCheckUtils]: 51: Hoare triple {31030#false} assume !(1 == ~c_dr_pc~0); {31030#false} is VALID [2022-02-20 19:55:05,387 INFO L290 TraceCheckUtils]: 52: Hoare triple {31030#false} is_do_read_c_triggered_~__retres1~1#1 := 0; {31030#false} is VALID [2022-02-20 19:55:05,387 INFO L290 TraceCheckUtils]: 53: Hoare triple {31030#false} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {31030#false} is VALID [2022-02-20 19:55:05,387 INFO L290 TraceCheckUtils]: 54: Hoare triple {31030#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; {31030#false} is VALID [2022-02-20 19:55:05,387 INFO L290 TraceCheckUtils]: 55: Hoare triple {31030#false} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {31030#false} is VALID [2022-02-20 19:55:05,387 INFO L290 TraceCheckUtils]: 56: Hoare triple {31030#false} assume true; {31030#false} is VALID [2022-02-20 19:55:05,387 INFO L284 TraceCheckUtils]: 57: Hoare quadruple {31030#false} {31030#false} #928#return; {31030#false} is VALID [2022-02-20 19:55:05,387 INFO L290 TraceCheckUtils]: 58: Hoare triple {31030#false} ~q_write_ev~0 := 2; {31030#false} is VALID [2022-02-20 19:55:05,387 INFO L290 TraceCheckUtils]: 59: Hoare triple {31030#false} assume !false; {31030#false} is VALID [2022-02-20 19:55:05,387 INFO L290 TraceCheckUtils]: 60: Hoare triple {31030#false} assume 0 == ~q_free~0;~p_dw_st~0 := 2;~p_dw_pc~0 := 1; {31030#false} is VALID [2022-02-20 19:55:05,387 INFO L290 TraceCheckUtils]: 61: Hoare triple {31030#false} assume { :end_inline_do_write_p } true; {31030#false} is VALID [2022-02-20 19:55:05,387 INFO L290 TraceCheckUtils]: 62: Hoare triple {31030#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; {31030#false} is VALID [2022-02-20 19:55:05,388 INFO L290 TraceCheckUtils]: 63: Hoare triple {31030#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; {31030#false} is VALID [2022-02-20 19:55:05,388 INFO L290 TraceCheckUtils]: 64: Hoare triple {31030#false} assume 0 == ~c_dr_pc~0; {31030#false} is VALID [2022-02-20 19:55:05,388 INFO L290 TraceCheckUtils]: 65: Hoare triple {31030#false} assume !false; {31030#false} is VALID [2022-02-20 19:55:05,388 INFO L290 TraceCheckUtils]: 66: Hoare triple {31030#false} assume !(1 == ~q_free~0); {31030#false} is VALID [2022-02-20 19:55:05,388 INFO L290 TraceCheckUtils]: 67: Hoare triple {31030#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; {31030#false} is VALID [2022-02-20 19:55:05,391 INFO L272 TraceCheckUtils]: 68: Hoare triple {31030#false} call immediate_notify_threads(); {31030#false} is VALID [2022-02-20 19:55:05,391 INFO L290 TraceCheckUtils]: 69: Hoare triple {31030#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; {31030#false} is VALID [2022-02-20 19:55:05,392 INFO L290 TraceCheckUtils]: 70: Hoare triple {31030#false} assume 1 == ~p_dw_pc~0; {31030#false} is VALID [2022-02-20 19:55:05,392 INFO L290 TraceCheckUtils]: 71: Hoare triple {31030#false} assume 1 == ~q_read_ev~0;is_do_write_p_triggered_~__retres1~0#1 := 1; {31030#false} is VALID [2022-02-20 19:55:05,392 INFO L290 TraceCheckUtils]: 72: Hoare triple {31030#false} is_do_write_p_triggered_#res#1 := is_do_write_p_triggered_~__retres1~0#1; {31030#false} is VALID [2022-02-20 19:55:05,392 INFO L290 TraceCheckUtils]: 73: Hoare triple {31030#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; {31030#false} is VALID [2022-02-20 19:55:05,392 INFO L290 TraceCheckUtils]: 74: Hoare triple {31030#false} assume 0 != ~tmp~0#1;~p_dw_st~0 := 0; {31030#false} is VALID [2022-02-20 19:55:05,392 INFO L290 TraceCheckUtils]: 75: Hoare triple {31030#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; {31030#false} is VALID [2022-02-20 19:55:05,392 INFO L290 TraceCheckUtils]: 76: Hoare triple {31030#false} assume !(1 == ~c_dr_pc~0); {31030#false} is VALID [2022-02-20 19:55:05,393 INFO L290 TraceCheckUtils]: 77: Hoare triple {31030#false} is_do_read_c_triggered_~__retres1~1#1 := 0; {31030#false} is VALID [2022-02-20 19:55:05,393 INFO L290 TraceCheckUtils]: 78: Hoare triple {31030#false} is_do_read_c_triggered_#res#1 := is_do_read_c_triggered_~__retres1~1#1; {31030#false} is VALID [2022-02-20 19:55:05,393 INFO L290 TraceCheckUtils]: 79: Hoare triple {31030#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; {31030#false} is VALID [2022-02-20 19:55:05,393 INFO L290 TraceCheckUtils]: 80: Hoare triple {31030#false} assume 0 != ~tmp___0~0#1;~c_dr_st~0 := 0; {31030#false} is VALID [2022-02-20 19:55:05,393 INFO L290 TraceCheckUtils]: 81: Hoare triple {31030#false} assume true; {31030#false} is VALID [2022-02-20 19:55:05,393 INFO L284 TraceCheckUtils]: 82: Hoare quadruple {31030#false} {31030#false} #930#return; {31030#false} is VALID [2022-02-20 19:55:05,394 INFO L290 TraceCheckUtils]: 83: Hoare triple {31030#false} ~q_read_ev~0 := 2; {31030#false} is VALID [2022-02-20 19:55:05,394 INFO L290 TraceCheckUtils]: 84: Hoare triple {31030#false} assume ~p_last_write~0 == ~c_last_read~0; {31030#false} is VALID [2022-02-20 19:55:05,394 INFO L290 TraceCheckUtils]: 85: Hoare triple {31030#false} assume !(~p_num_write~0 == ~c_num_read~0); {31030#false} is VALID [2022-02-20 19:55:05,394 INFO L272 TraceCheckUtils]: 86: Hoare triple {31030#false} call error1(); {31030#false} is VALID [2022-02-20 19:55:05,394 INFO L290 TraceCheckUtils]: 87: Hoare triple {31030#false} assume !false; {31030#false} is VALID [2022-02-20 19:55:05,395 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 19:55:05,395 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 19:55:05,395 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191389660] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:55:05,395 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-20 19:55:05,395 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-02-20 19:55:05,395 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584863359] [2022-02-20 19:55:05,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:55:05,396 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 19:55:05,396 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:55:05,397 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 19:55:05,449 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 19:55:05,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 19:55:05,449 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:55:05,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 19:55:05,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-20 19:55:05,450 INFO L87 Difference]: Start difference. First operand 1262 states and 1655 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 19:55:06,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:06,016 INFO L93 Difference]: Finished difference Result 1985 states and 2593 transitions. [2022-02-20 19:55:06,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 19:55:06,017 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 19:55:06,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:55:06,017 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 19:55:06,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 504 transitions. [2022-02-20 19:55:06,020 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 19:55:06,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 504 transitions. [2022-02-20 19:55:06,022 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 504 transitions. [2022-02-20 19:55:06,351 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 504 edges. 504 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:06,462 INFO L225 Difference]: With dead ends: 1985 [2022-02-20 19:55:06,462 INFO L226 Difference]: Without dead ends: 1140 [2022-02-20 19:55:06,463 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 19:55:06,464 INFO L933 BasicCegarLoop]: 391 mSDtfsCounter, 320 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 466 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 19:55:06,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [320 Valid, 466 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 19:55:06,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2022-02-20 19:55:06,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 1125. [2022-02-20 19:55:06,653 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:55:06,655 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1140 states. Second operand has 1125 states, 997 states have (on average 1.2938816449348045) internal successors, (1290), 1014 states have internal predecessors, (1290), 75 states have call successors, (75), 43 states have call predecessors, (75), 51 states have return successors, (110), 68 states have call predecessors, (110), 74 states have call successors, (110) [2022-02-20 19:55:06,656 INFO L74 IsIncluded]: Start isIncluded. First operand 1140 states. Second operand has 1125 states, 997 states have (on average 1.2938816449348045) internal successors, (1290), 1014 states have internal predecessors, (1290), 75 states have call successors, (75), 43 states have call predecessors, (75), 51 states have return successors, (110), 68 states have call predecessors, (110), 74 states have call successors, (110) [2022-02-20 19:55:06,657 INFO L87 Difference]: Start difference. First operand 1140 states. Second operand has 1125 states, 997 states have (on average 1.2938816449348045) internal successors, (1290), 1014 states have internal predecessors, (1290), 75 states have call successors, (75), 43 states have call predecessors, (75), 51 states have return successors, (110), 68 states have call predecessors, (110), 74 states have call successors, (110) [2022-02-20 19:55:06,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:06,714 INFO L93 Difference]: Finished difference Result 1140 states and 1490 transitions. [2022-02-20 19:55:06,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1490 transitions. [2022-02-20 19:55:06,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:06,716 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:06,718 INFO L74 IsIncluded]: Start isIncluded. First operand has 1125 states, 997 states have (on average 1.2938816449348045) internal successors, (1290), 1014 states have internal predecessors, (1290), 75 states have call successors, (75), 43 states have call predecessors, (75), 51 states have return successors, (110), 68 states have call predecessors, (110), 74 states have call successors, (110) Second operand 1140 states. [2022-02-20 19:55:06,719 INFO L87 Difference]: Start difference. First operand has 1125 states, 997 states have (on average 1.2938816449348045) internal successors, (1290), 1014 states have internal predecessors, (1290), 75 states have call successors, (75), 43 states have call predecessors, (75), 51 states have return successors, (110), 68 states have call predecessors, (110), 74 states have call successors, (110) Second operand 1140 states. [2022-02-20 19:55:06,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:06,773 INFO L93 Difference]: Finished difference Result 1140 states and 1490 transitions. [2022-02-20 19:55:06,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1490 transitions. [2022-02-20 19:55:06,775 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:06,775 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:06,775 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:55:06,775 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:55:06,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1125 states, 997 states have (on average 1.2938816449348045) internal successors, (1290), 1014 states have internal predecessors, (1290), 75 states have call successors, (75), 43 states have call predecessors, (75), 51 states have return successors, (110), 68 states have call predecessors, (110), 74 states have call successors, (110) [2022-02-20 19:55:06,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 1125 states and 1475 transitions. [2022-02-20 19:55:06,856 INFO L78 Accepts]: Start accepts. Automaton has 1125 states and 1475 transitions. Word has length 88 [2022-02-20 19:55:06,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:55:06,856 INFO L470 AbstractCegarLoop]: Abstraction has 1125 states and 1475 transitions. [2022-02-20 19:55:06,856 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 19:55:06,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1475 transitions. [2022-02-20 19:55:06,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-02-20 19:55:06,858 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:55:06,858 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 19:55:06,879 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 19:55:07,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 19:55:07,074 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:55:07,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:55:07,074 INFO L85 PathProgramCache]: Analyzing trace with hash -422269311, now seen corresponding path program 1 times [2022-02-20 19:55:07,074 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:55:07,074 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454874651] [2022-02-20 19:55:07,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:55:07,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:55:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:07,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-02-20 19:55:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:07,105 INFO L290 TraceCheckUtils]: 0: Hoare triple {37933#true} assume true; {37933#true} is VALID [2022-02-20 19:55:07,106 INFO L284 TraceCheckUtils]: 1: Hoare quadruple {37933#true} {37935#(= ~t4_i~0 1)} #938#return; {37935#(= ~t4_i~0 1)} is VALID [2022-02-20 19:55:07,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-02-20 19:55:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:07,122 INFO L290 TraceCheckUtils]: 0: Hoare triple {37999#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} assume 0 == ~M_E~0;~M_E~0 := 1; {37933#true} is VALID [2022-02-20 19:55:07,123 INFO L290 TraceCheckUtils]: 1: Hoare triple {37933#true} assume 0 == ~T1_E~0;~T1_E~0 := 1; {37933#true} is VALID [2022-02-20 19:55:07,123 INFO L290 TraceCheckUtils]: 2: Hoare triple {37933#true} assume !(0 == ~T2_E~0); {37933#true} is VALID [2022-02-20 19:55:07,123 INFO L290 TraceCheckUtils]: 3: Hoare triple {37933#true} assume 0 == ~T3_E~0;~T3_E~0 := 1; {37933#true} is VALID [2022-02-20 19:55:07,123 INFO L290 TraceCheckUtils]: 4: Hoare triple {37933#true} assume 0 == ~T4_E~0;~T4_E~0 := 1; {37933#true} is VALID [2022-02-20 19:55:07,123 INFO L290 TraceCheckUtils]: 5: Hoare triple {37933#true} assume 0 == ~E_M~0;~E_M~0 := 1; {37933#true} is VALID [2022-02-20 19:55:07,124 INFO L290 TraceCheckUtils]: 6: Hoare triple {37933#true} assume 0 == ~E_1~0;~E_1~0 := 1; {37933#true} is VALID [2022-02-20 19:55:07,124 INFO L290 TraceCheckUtils]: 7: Hoare triple {37933#true} assume 0 == ~E_2~0;~E_2~0 := 1; {37933#true} is VALID [2022-02-20 19:55:07,124 INFO L290 TraceCheckUtils]: 8: Hoare triple {37933#true} assume 0 == ~E_3~0;~E_3~0 := 1; {37933#true} is VALID [2022-02-20 19:55:07,124 INFO L290 TraceCheckUtils]: 9: Hoare triple {37933#true} assume 0 == ~E_4~0;~E_4~0 := 1; {37933#true} is VALID [2022-02-20 19:55:07,124 INFO L290 TraceCheckUtils]: 10: Hoare triple {37933#true} assume true; {37933#true} is VALID [2022-02-20 19:55:07,124 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {37933#true} {37934#false} #940#return; {37934#false} is VALID [2022-02-20 19:55:07,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-02-20 19:55:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:07,144 INFO L290 TraceCheckUtils]: 0: Hoare triple {38000#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0) (= |old(~t3_st~0)| ~t3_st~0) (= |old(~t4_st~0)| ~t4_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;havoc ~tmp___2~0#1;havoc ~tmp___3~0#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; {37933#true} is VALID [2022-02-20 19:55:07,144 INFO L290 TraceCheckUtils]: 1: Hoare triple {37933#true} assume 1 == ~m_pc~0; {37933#true} is VALID [2022-02-20 19:55:07,144 INFO L290 TraceCheckUtils]: 2: Hoare triple {37933#true} assume 1 == ~E_M~0;is_master_triggered_~__retres1~4#1 := 1; {37933#true} is VALID [2022-02-20 19:55:07,145 INFO L290 TraceCheckUtils]: 3: Hoare triple {37933#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {37933#true} is VALID [2022-02-20 19:55:07,145 INFO L290 TraceCheckUtils]: 4: Hoare triple {37933#true} #t~ret24#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp~5#1 := #t~ret24#1;havoc #t~ret24#1; {37933#true} is VALID [2022-02-20 19:55:07,145 INFO L290 TraceCheckUtils]: 5: Hoare triple {37933#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {37933#true} is VALID [2022-02-20 19:55:07,145 INFO L290 TraceCheckUtils]: 6: Hoare triple {37933#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; {37933#true} is VALID [2022-02-20 19:55:07,145 INFO L290 TraceCheckUtils]: 7: Hoare triple {37933#true} assume 1 == ~t1_pc~0; {37933#true} is VALID [2022-02-20 19:55:07,145 INFO L290 TraceCheckUtils]: 8: Hoare triple {37933#true} assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~5#1 := 1; {37933#true} is VALID [2022-02-20 19:55:07,146 INFO L290 TraceCheckUtils]: 9: Hoare triple {37933#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {37933#true} is VALID [2022-02-20 19:55:07,146 INFO L290 TraceCheckUtils]: 10: Hoare triple {37933#true} #t~ret25#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___0~2#1 := #t~ret25#1;havoc #t~ret25#1; {37933#true} is VALID [2022-02-20 19:55:07,146 INFO L290 TraceCheckUtils]: 11: Hoare triple {37933#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {37933#true} is VALID [2022-02-20 19:55:07,146 INFO L290 TraceCheckUtils]: 12: Hoare triple {37933#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; {37933#true} is VALID [2022-02-20 19:55:07,147 INFO L290 TraceCheckUtils]: 13: Hoare triple {37933#true} assume !(1 == ~t2_pc~0); {37933#true} is VALID [2022-02-20 19:55:07,147 INFO L290 TraceCheckUtils]: 14: Hoare triple {37933#true} is_transmit2_triggered_~__retres1~6#1 := 0; {37933#true} is VALID [2022-02-20 19:55:07,147 INFO L290 TraceCheckUtils]: 15: Hoare triple {37933#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {37933#true} is VALID [2022-02-20 19:55:07,147 INFO L290 TraceCheckUtils]: 16: Hoare triple {37933#true} #t~ret26#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret26#1 && #t~ret26#1 <= 2147483647;~tmp___1~1#1 := #t~ret26#1;havoc #t~ret26#1; {37933#true} is VALID [2022-02-20 19:55:07,147 INFO L290 TraceCheckUtils]: 17: Hoare triple {37933#true} assume !(0 != ~tmp___1~1#1); {37933#true} is VALID [2022-02-20 19:55:07,147 INFO L290 TraceCheckUtils]: 18: Hoare triple {37933#true} assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~7#1;havoc is_transmit3_triggered_~__retres1~7#1; {37933#true} is VALID [2022-02-20 19:55:07,148 INFO L290 TraceCheckUtils]: 19: Hoare triple {37933#true} assume 1 == ~t3_pc~0; {37933#true} is VALID [2022-02-20 19:55:07,148 INFO L290 TraceCheckUtils]: 20: Hoare triple {37933#true} assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~7#1 := 1; {37933#true} is VALID [2022-02-20 19:55:07,148 INFO L290 TraceCheckUtils]: 21: Hoare triple {37933#true} is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~7#1; {37933#true} is VALID [2022-02-20 19:55:07,148 INFO L290 TraceCheckUtils]: 22: Hoare triple {37933#true} #t~ret27#1 := is_transmit3_triggered_#res#1;assume { :end_inline_is_transmit3_triggered } true;assume -2147483648 <= #t~ret27#1 && #t~ret27#1 <= 2147483647;~tmp___2~0#1 := #t~ret27#1;havoc #t~ret27#1; {37933#true} is VALID [2022-02-20 19:55:07,148 INFO L290 TraceCheckUtils]: 23: Hoare triple {37933#true} assume 0 != ~tmp___2~0#1;~t3_st~0 := 0; {37933#true} is VALID [2022-02-20 19:55:07,148 INFO L290 TraceCheckUtils]: 24: Hoare triple {37933#true} assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~8#1;havoc is_transmit4_triggered_~__retres1~8#1; {37933#true} is VALID [2022-02-20 19:55:07,148 INFO L290 TraceCheckUtils]: 25: Hoare triple {37933#true} assume !(1 == ~t4_pc~0); {37933#true} is VALID [2022-02-20 19:55:07,149 INFO L290 TraceCheckUtils]: 26: Hoare triple {37933#true} is_transmit4_triggered_~__retres1~8#1 := 0; {37933#true} is VALID [2022-02-20 19:55:07,149 INFO L290 TraceCheckUtils]: 27: Hoare triple {37933#true} is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~8#1; {37933#true} is VALID [2022-02-20 19:55:07,149 INFO L290 TraceCheckUtils]: 28: Hoare triple {37933#true} #t~ret28#1 := is_transmit4_triggered_#res#1;assume { :end_inline_is_transmit4_triggered } true;assume -2147483648 <= #t~ret28#1 && #t~ret28#1 <= 2147483647;~tmp___3~0#1 := #t~ret28#1;havoc #t~ret28#1; {37933#true} is VALID [2022-02-20 19:55:07,149 INFO L290 TraceCheckUtils]: 29: Hoare triple {37933#true} assume 0 != ~tmp___3~0#1;~t4_st~0 := 0; {37933#true} is VALID [2022-02-20 19:55:07,149 INFO L290 TraceCheckUtils]: 30: Hoare triple {37933#true} assume true; {37933#true} is VALID [2022-02-20 19:55:07,149 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {37933#true} {37934#false} #942#return; {37934#false} is VALID [2022-02-20 19:55:07,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-02-20 19:55:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:07,155 INFO L290 TraceCheckUtils]: 0: Hoare triple {37999#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} assume 1 == ~M_E~0;~M_E~0 := 2; {37933#true} is VALID [2022-02-20 19:55:07,155 INFO L290 TraceCheckUtils]: 1: Hoare triple {37933#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {37933#true} is VALID [2022-02-20 19:55:07,155 INFO L290 TraceCheckUtils]: 2: Hoare triple {37933#true} assume 1 == ~T2_E~0;~T2_E~0 := 2; {37933#true} is VALID [2022-02-20 19:55:07,155 INFO L290 TraceCheckUtils]: 3: Hoare triple {37933#true} assume 1 == ~T3_E~0;~T3_E~0 := 2; {37933#true} is VALID [2022-02-20 19:55:07,155 INFO L290 TraceCheckUtils]: 4: Hoare triple {37933#true} assume 1 == ~T4_E~0;~T4_E~0 := 2; {37933#true} is VALID [2022-02-20 19:55:07,155 INFO L290 TraceCheckUtils]: 5: Hoare triple {37933#true} assume !(1 == ~E_M~0); {37933#true} is VALID [2022-02-20 19:55:07,156 INFO L290 TraceCheckUtils]: 6: Hoare triple {37933#true} assume 1 == ~E_1~0;~E_1~0 := 2; {37933#true} is VALID [2022-02-20 19:55:07,156 INFO L290 TraceCheckUtils]: 7: Hoare triple {37933#true} assume 1 == ~E_2~0;~E_2~0 := 2; {37933#true} is VALID [2022-02-20 19:55:07,156 INFO L290 TraceCheckUtils]: 8: Hoare triple {37933#true} assume 1 == ~E_3~0;~E_3~0 := 2; {37933#true} is VALID [2022-02-20 19:55:07,156 INFO L290 TraceCheckUtils]: 9: Hoare triple {37933#true} assume 1 == ~E_4~0;~E_4~0 := 2; {37933#true} is VALID [2022-02-20 19:55:07,156 INFO L290 TraceCheckUtils]: 10: Hoare triple {37933#true} assume true; {37933#true} is VALID [2022-02-20 19:55:07,156 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {37933#true} {37934#false} #944#return; {37934#false} is VALID [2022-02-20 19:55:07,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-02-20 19:55:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:07,159 INFO L290 TraceCheckUtils]: 0: Hoare triple {37933#true} havoc ~__retres1~9; {37933#true} is VALID [2022-02-20 19:55:07,164 INFO L290 TraceCheckUtils]: 1: Hoare triple {37933#true} assume 0 == ~m_st~0;~__retres1~9 := 1; {37933#true} is VALID [2022-02-20 19:55:07,164 INFO L290 TraceCheckUtils]: 2: Hoare triple {37933#true} #res := ~__retres1~9; {37933#true} is VALID [2022-02-20 19:55:07,165 INFO L290 TraceCheckUtils]: 3: Hoare triple {37933#true} assume true; {37933#true} is VALID [2022-02-20 19:55:07,165 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {37933#true} {37934#false} #946#return; {37934#false} is VALID [2022-02-20 19:55:07,165 INFO L290 TraceCheckUtils]: 0: Hoare triple {37933#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;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0; {37933#true} is VALID [2022-02-20 19:55:07,165 INFO L290 TraceCheckUtils]: 1: Hoare triple {37933#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet32#1, main_#t~ret33#1, main_#t~ret34#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {37933#true} is VALID [2022-02-20 19:55:07,166 INFO L290 TraceCheckUtils]: 2: Hoare triple {37933#true} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume { :begin_inline_main2 } true;havoc main2_#res#1;havoc main2_~__retres1~10#1;havoc main2_~__retres1~10#1;assume { :begin_inline_init_model2 } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1; {37935#(= ~t4_i~0 1)} is VALID [2022-02-20 19:55:07,166 INFO L290 TraceCheckUtils]: 3: Hoare triple {37935#(= ~t4_i~0 1)} assume { :end_inline_init_model2 } true;assume { :begin_inline_start_simulation2 } true;havoc start_simulation2_#t~ret30#1, start_simulation2_#t~ret31#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; {37935#(= ~t4_i~0 1)} is VALID [2022-02-20 19:55:07,166 INFO L272 TraceCheckUtils]: 4: Hoare triple {37935#(= ~t4_i~0 1)} call update_channels2(); {37933#true} is VALID [2022-02-20 19:55:07,166 INFO L290 TraceCheckUtils]: 5: Hoare triple {37933#true} assume true; {37933#true} is VALID [2022-02-20 19:55:07,167 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {37933#true} {37935#(= ~t4_i~0 1)} #938#return; {37935#(= ~t4_i~0 1)} is VALID [2022-02-20 19:55:07,167 INFO L290 TraceCheckUtils]: 7: Hoare triple {37935#(= ~t4_i~0 1)} assume { :begin_inline_init_threads2 } true; {37935#(= ~t4_i~0 1)} is VALID [2022-02-20 19:55:07,167 INFO L290 TraceCheckUtils]: 8: Hoare triple {37935#(= ~t4_i~0 1)} assume 1 == ~m_i~0;~m_st~0 := 0; {37935#(= ~t4_i~0 1)} is VALID [2022-02-20 19:55:07,168 INFO L290 TraceCheckUtils]: 9: Hoare triple {37935#(= ~t4_i~0 1)} assume 1 == ~t1_i~0;~t1_st~0 := 0; {37935#(= ~t4_i~0 1)} is VALID [2022-02-20 19:55:07,168 INFO L290 TraceCheckUtils]: 10: Hoare triple {37935#(= ~t4_i~0 1)} assume 1 == ~t2_i~0;~t2_st~0 := 0; {37935#(= ~t4_i~0 1)} is VALID [2022-02-20 19:55:07,168 INFO L290 TraceCheckUtils]: 11: Hoare triple {37935#(= ~t4_i~0 1)} assume 1 == ~t3_i~0;~t3_st~0 := 0; {37935#(= ~t4_i~0 1)} is VALID [2022-02-20 19:55:07,169 INFO L290 TraceCheckUtils]: 12: Hoare triple {37935#(= ~t4_i~0 1)} assume !(1 == ~t4_i~0);~t4_st~0 := 2; {37934#false} is VALID [2022-02-20 19:55:07,169 INFO L290 TraceCheckUtils]: 13: Hoare triple {37934#false} assume { :end_inline_init_threads2 } true; {37934#false} is VALID [2022-02-20 19:55:07,169 INFO L272 TraceCheckUtils]: 14: Hoare triple {37934#false} call fire_delta_events2(); {37999#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} is VALID [2022-02-20 19:55:07,169 INFO L290 TraceCheckUtils]: 15: Hoare triple {37999#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} assume 0 == ~M_E~0;~M_E~0 := 1; {37933#true} is VALID [2022-02-20 19:55:07,169 INFO L290 TraceCheckUtils]: 16: Hoare triple {37933#true} assume 0 == ~T1_E~0;~T1_E~0 := 1; {37933#true} is VALID [2022-02-20 19:55:07,169 INFO L290 TraceCheckUtils]: 17: Hoare triple {37933#true} assume !(0 == ~T2_E~0); {37933#true} is VALID [2022-02-20 19:55:07,170 INFO L290 TraceCheckUtils]: 18: Hoare triple {37933#true} assume 0 == ~T3_E~0;~T3_E~0 := 1; {37933#true} is VALID [2022-02-20 19:55:07,170 INFO L290 TraceCheckUtils]: 19: Hoare triple {37933#true} assume 0 == ~T4_E~0;~T4_E~0 := 1; {37933#true} is VALID [2022-02-20 19:55:07,170 INFO L290 TraceCheckUtils]: 20: Hoare triple {37933#true} assume 0 == ~E_M~0;~E_M~0 := 1; {37933#true} is VALID [2022-02-20 19:55:07,170 INFO L290 TraceCheckUtils]: 21: Hoare triple {37933#true} assume 0 == ~E_1~0;~E_1~0 := 1; {37933#true} is VALID [2022-02-20 19:55:07,170 INFO L290 TraceCheckUtils]: 22: Hoare triple {37933#true} assume 0 == ~E_2~0;~E_2~0 := 1; {37933#true} is VALID [2022-02-20 19:55:07,170 INFO L290 TraceCheckUtils]: 23: Hoare triple {37933#true} assume 0 == ~E_3~0;~E_3~0 := 1; {37933#true} is VALID [2022-02-20 19:55:07,170 INFO L290 TraceCheckUtils]: 24: Hoare triple {37933#true} assume 0 == ~E_4~0;~E_4~0 := 1; {37933#true} is VALID [2022-02-20 19:55:07,171 INFO L290 TraceCheckUtils]: 25: Hoare triple {37933#true} assume true; {37933#true} is VALID [2022-02-20 19:55:07,171 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {37933#true} {37934#false} #940#return; {37934#false} is VALID [2022-02-20 19:55:07,171 INFO L272 TraceCheckUtils]: 27: Hoare triple {37934#false} call activate_threads2(); {38000#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0) (= |old(~t3_st~0)| ~t3_st~0) (= |old(~t4_st~0)| ~t4_st~0))} is VALID [2022-02-20 19:55:07,171 INFO L290 TraceCheckUtils]: 28: Hoare triple {38000#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0) (= |old(~t3_st~0)| ~t3_st~0) (= |old(~t4_st~0)| ~t4_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;havoc ~tmp___2~0#1;havoc ~tmp___3~0#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; {37933#true} is VALID [2022-02-20 19:55:07,171 INFO L290 TraceCheckUtils]: 29: Hoare triple {37933#true} assume 1 == ~m_pc~0; {37933#true} is VALID [2022-02-20 19:55:07,171 INFO L290 TraceCheckUtils]: 30: Hoare triple {37933#true} assume 1 == ~E_M~0;is_master_triggered_~__retres1~4#1 := 1; {37933#true} is VALID [2022-02-20 19:55:07,172 INFO L290 TraceCheckUtils]: 31: Hoare triple {37933#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {37933#true} is VALID [2022-02-20 19:55:07,172 INFO L290 TraceCheckUtils]: 32: Hoare triple {37933#true} #t~ret24#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp~5#1 := #t~ret24#1;havoc #t~ret24#1; {37933#true} is VALID [2022-02-20 19:55:07,172 INFO L290 TraceCheckUtils]: 33: Hoare triple {37933#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {37933#true} is VALID [2022-02-20 19:55:07,172 INFO L290 TraceCheckUtils]: 34: Hoare triple {37933#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; {37933#true} is VALID [2022-02-20 19:55:07,172 INFO L290 TraceCheckUtils]: 35: Hoare triple {37933#true} assume 1 == ~t1_pc~0; {37933#true} is VALID [2022-02-20 19:55:07,172 INFO L290 TraceCheckUtils]: 36: Hoare triple {37933#true} assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~5#1 := 1; {37933#true} is VALID [2022-02-20 19:55:07,172 INFO L290 TraceCheckUtils]: 37: Hoare triple {37933#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {37933#true} is VALID [2022-02-20 19:55:07,173 INFO L290 TraceCheckUtils]: 38: Hoare triple {37933#true} #t~ret25#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___0~2#1 := #t~ret25#1;havoc #t~ret25#1; {37933#true} is VALID [2022-02-20 19:55:07,173 INFO L290 TraceCheckUtils]: 39: Hoare triple {37933#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {37933#true} is VALID [2022-02-20 19:55:07,173 INFO L290 TraceCheckUtils]: 40: Hoare triple {37933#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; {37933#true} is VALID [2022-02-20 19:55:07,173 INFO L290 TraceCheckUtils]: 41: Hoare triple {37933#true} assume !(1 == ~t2_pc~0); {37933#true} is VALID [2022-02-20 19:55:07,173 INFO L290 TraceCheckUtils]: 42: Hoare triple {37933#true} is_transmit2_triggered_~__retres1~6#1 := 0; {37933#true} is VALID [2022-02-20 19:55:07,173 INFO L290 TraceCheckUtils]: 43: Hoare triple {37933#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {37933#true} is VALID [2022-02-20 19:55:07,173 INFO L290 TraceCheckUtils]: 44: Hoare triple {37933#true} #t~ret26#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret26#1 && #t~ret26#1 <= 2147483647;~tmp___1~1#1 := #t~ret26#1;havoc #t~ret26#1; {37933#true} is VALID [2022-02-20 19:55:07,174 INFO L290 TraceCheckUtils]: 45: Hoare triple {37933#true} assume !(0 != ~tmp___1~1#1); {37933#true} is VALID [2022-02-20 19:55:07,174 INFO L290 TraceCheckUtils]: 46: Hoare triple {37933#true} assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~7#1;havoc is_transmit3_triggered_~__retres1~7#1; {37933#true} is VALID [2022-02-20 19:55:07,174 INFO L290 TraceCheckUtils]: 47: Hoare triple {37933#true} assume 1 == ~t3_pc~0; {37933#true} is VALID [2022-02-20 19:55:07,174 INFO L290 TraceCheckUtils]: 48: Hoare triple {37933#true} assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~7#1 := 1; {37933#true} is VALID [2022-02-20 19:55:07,174 INFO L290 TraceCheckUtils]: 49: Hoare triple {37933#true} is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~7#1; {37933#true} is VALID [2022-02-20 19:55:07,174 INFO L290 TraceCheckUtils]: 50: Hoare triple {37933#true} #t~ret27#1 := is_transmit3_triggered_#res#1;assume { :end_inline_is_transmit3_triggered } true;assume -2147483648 <= #t~ret27#1 && #t~ret27#1 <= 2147483647;~tmp___2~0#1 := #t~ret27#1;havoc #t~ret27#1; {37933#true} is VALID [2022-02-20 19:55:07,174 INFO L290 TraceCheckUtils]: 51: Hoare triple {37933#true} assume 0 != ~tmp___2~0#1;~t3_st~0 := 0; {37933#true} is VALID [2022-02-20 19:55:07,175 INFO L290 TraceCheckUtils]: 52: Hoare triple {37933#true} assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~8#1;havoc is_transmit4_triggered_~__retres1~8#1; {37933#true} is VALID [2022-02-20 19:55:07,175 INFO L290 TraceCheckUtils]: 53: Hoare triple {37933#true} assume !(1 == ~t4_pc~0); {37933#true} is VALID [2022-02-20 19:55:07,175 INFO L290 TraceCheckUtils]: 54: Hoare triple {37933#true} is_transmit4_triggered_~__retres1~8#1 := 0; {37933#true} is VALID [2022-02-20 19:55:07,175 INFO L290 TraceCheckUtils]: 55: Hoare triple {37933#true} is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~8#1; {37933#true} is VALID [2022-02-20 19:55:07,175 INFO L290 TraceCheckUtils]: 56: Hoare triple {37933#true} #t~ret28#1 := is_transmit4_triggered_#res#1;assume { :end_inline_is_transmit4_triggered } true;assume -2147483648 <= #t~ret28#1 && #t~ret28#1 <= 2147483647;~tmp___3~0#1 := #t~ret28#1;havoc #t~ret28#1; {37933#true} is VALID [2022-02-20 19:55:07,175 INFO L290 TraceCheckUtils]: 57: Hoare triple {37933#true} assume 0 != ~tmp___3~0#1;~t4_st~0 := 0; {37933#true} is VALID [2022-02-20 19:55:07,175 INFO L290 TraceCheckUtils]: 58: Hoare triple {37933#true} assume true; {37933#true} is VALID [2022-02-20 19:55:07,176 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {37933#true} {37934#false} #942#return; {37934#false} is VALID [2022-02-20 19:55:07,176 INFO L272 TraceCheckUtils]: 60: Hoare triple {37934#false} call reset_delta_events2(); {37999#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} is VALID [2022-02-20 19:55:07,176 INFO L290 TraceCheckUtils]: 61: Hoare triple {37999#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} assume 1 == ~M_E~0;~M_E~0 := 2; {37933#true} is VALID [2022-02-20 19:55:07,176 INFO L290 TraceCheckUtils]: 62: Hoare triple {37933#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {37933#true} is VALID [2022-02-20 19:55:07,176 INFO L290 TraceCheckUtils]: 63: Hoare triple {37933#true} assume 1 == ~T2_E~0;~T2_E~0 := 2; {37933#true} is VALID [2022-02-20 19:55:07,176 INFO L290 TraceCheckUtils]: 64: Hoare triple {37933#true} assume 1 == ~T3_E~0;~T3_E~0 := 2; {37933#true} is VALID [2022-02-20 19:55:07,176 INFO L290 TraceCheckUtils]: 65: Hoare triple {37933#true} assume 1 == ~T4_E~0;~T4_E~0 := 2; {37933#true} is VALID [2022-02-20 19:55:07,177 INFO L290 TraceCheckUtils]: 66: Hoare triple {37933#true} assume !(1 == ~E_M~0); {37933#true} is VALID [2022-02-20 19:55:07,177 INFO L290 TraceCheckUtils]: 67: Hoare triple {37933#true} assume 1 == ~E_1~0;~E_1~0 := 2; {37933#true} is VALID [2022-02-20 19:55:07,177 INFO L290 TraceCheckUtils]: 68: Hoare triple {37933#true} assume 1 == ~E_2~0;~E_2~0 := 2; {37933#true} is VALID [2022-02-20 19:55:07,177 INFO L290 TraceCheckUtils]: 69: Hoare triple {37933#true} assume 1 == ~E_3~0;~E_3~0 := 2; {37933#true} is VALID [2022-02-20 19:55:07,177 INFO L290 TraceCheckUtils]: 70: Hoare triple {37933#true} assume 1 == ~E_4~0;~E_4~0 := 2; {37933#true} is VALID [2022-02-20 19:55:07,177 INFO L290 TraceCheckUtils]: 71: Hoare triple {37933#true} assume true; {37933#true} is VALID [2022-02-20 19:55:07,178 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {37933#true} {37934#false} #944#return; {37934#false} is VALID [2022-02-20 19:55:07,178 INFO L290 TraceCheckUtils]: 73: Hoare triple {37934#false} assume !false; {37934#false} is VALID [2022-02-20 19:55:07,178 INFO L290 TraceCheckUtils]: 74: Hoare triple {37934#false} start_simulation2_~kernel_st~1#1 := 1;assume { :begin_inline_eval2 } true;havoc eval2_#t~ret18#1, eval2_#t~nondet19#1, eval2_~tmp_ndt_1~0#1, eval2_#t~nondet20#1, eval2_~tmp_ndt_2~0#1, eval2_#t~nondet21#1, eval2_~tmp_ndt_3~0#1, eval2_#t~nondet22#1, eval2_~tmp_ndt_4~0#1, eval2_#t~nondet23#1, eval2_~tmp_ndt_5~0#1, eval2_~tmp~4#1;havoc eval2_~tmp~4#1; {37934#false} is VALID [2022-02-20 19:55:07,178 INFO L290 TraceCheckUtils]: 75: Hoare triple {37934#false} assume !false; {37934#false} is VALID [2022-02-20 19:55:07,178 INFO L272 TraceCheckUtils]: 76: Hoare triple {37934#false} call eval2_#t~ret18#1 := exists_runnable_thread2(); {37933#true} is VALID [2022-02-20 19:55:07,178 INFO L290 TraceCheckUtils]: 77: Hoare triple {37933#true} havoc ~__retres1~9; {37933#true} is VALID [2022-02-20 19:55:07,178 INFO L290 TraceCheckUtils]: 78: Hoare triple {37933#true} assume 0 == ~m_st~0;~__retres1~9 := 1; {37933#true} is VALID [2022-02-20 19:55:07,179 INFO L290 TraceCheckUtils]: 79: Hoare triple {37933#true} #res := ~__retres1~9; {37933#true} is VALID [2022-02-20 19:55:07,179 INFO L290 TraceCheckUtils]: 80: Hoare triple {37933#true} assume true; {37933#true} is VALID [2022-02-20 19:55:07,179 INFO L284 TraceCheckUtils]: 81: Hoare quadruple {37933#true} {37934#false} #946#return; {37934#false} is VALID [2022-02-20 19:55:07,179 INFO L290 TraceCheckUtils]: 82: Hoare triple {37934#false} assume -2147483648 <= eval2_#t~ret18#1 && eval2_#t~ret18#1 <= 2147483647;eval2_~tmp~4#1 := eval2_#t~ret18#1;havoc eval2_#t~ret18#1; {37934#false} is VALID [2022-02-20 19:55:07,179 INFO L290 TraceCheckUtils]: 83: Hoare triple {37934#false} assume 0 != eval2_~tmp~4#1; {37934#false} is VALID [2022-02-20 19:55:07,179 INFO L290 TraceCheckUtils]: 84: Hoare triple {37934#false} assume 0 == ~m_st~0;havoc eval2_~tmp_ndt_1~0#1;assume -2147483648 <= eval2_#t~nondet19#1 && eval2_#t~nondet19#1 <= 2147483647;eval2_~tmp_ndt_1~0#1 := eval2_#t~nondet19#1;havoc eval2_#t~nondet19#1; {37934#false} is VALID [2022-02-20 19:55:07,179 INFO L290 TraceCheckUtils]: 85: Hoare triple {37934#false} assume 0 != eval2_~tmp_ndt_1~0#1;~m_st~0 := 1;assume { :begin_inline_master } true;havoc master_#t~nondet17#1; {37934#false} is VALID [2022-02-20 19:55:07,180 INFO L290 TraceCheckUtils]: 86: Hoare triple {37934#false} assume !(0 == ~m_pc~0); {37934#false} is VALID [2022-02-20 19:55:07,180 INFO L290 TraceCheckUtils]: 87: Hoare triple {37934#false} assume 1 == ~m_pc~0; {37934#false} is VALID [2022-02-20 19:55:07,180 INFO L290 TraceCheckUtils]: 88: Hoare triple {37934#false} assume ~token~0 != 4 + ~local~0;assume { :begin_inline_error2 } true; {37934#false} is VALID [2022-02-20 19:55:07,180 INFO L290 TraceCheckUtils]: 89: Hoare triple {37934#false} assume !false; {37934#false} is VALID [2022-02-20 19:55:07,180 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 19:55:07,181 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:55:07,181 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454874651] [2022-02-20 19:55:07,181 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454874651] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:55:07,181 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 19:55:07,181 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 19:55:07,181 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839026136] [2022-02-20 19:55:07,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:55:07,182 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 90 [2022-02-20 19:55:07,182 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:55:07,183 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:07,238 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 90 edges. 90 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:07,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 19:55:07,238 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:55:07,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 19:55:07,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 19:55:07,239 INFO L87 Difference]: Start difference. First operand 1125 states and 1475 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:08,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:08,734 INFO L93 Difference]: Finished difference Result 1346 states and 1819 transitions. [2022-02-20 19:55:08,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 19:55:08,734 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 90 [2022-02-20 19:55:08,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:55:08,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:08,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 702 transitions. [2022-02-20 19:55:08,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:08,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 702 transitions. [2022-02-20 19:55:08,742 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 702 transitions. [2022-02-20 19:55:09,228 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 702 edges. 702 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:09,317 INFO L225 Difference]: With dead ends: 1346 [2022-02-20 19:55:09,317 INFO L226 Difference]: Without dead ends: 1179 [2022-02-20 19:55:09,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-02-20 19:55:09,319 INFO L933 BasicCegarLoop]: 379 mSDtfsCounter, 484 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-20 19:55:09,319 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [500 Valid, 724 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-20 19:55:09,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1179 states. [2022-02-20 19:55:09,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1179 to 1125. [2022-02-20 19:55:09,507 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:55:09,509 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1179 states. Second operand has 1125 states, 997 states have (on average 1.2928786359077231) internal successors, (1289), 1014 states have internal predecessors, (1289), 75 states have call successors, (75), 43 states have call predecessors, (75), 51 states have return successors, (110), 68 states have call predecessors, (110), 74 states have call successors, (110) [2022-02-20 19:55:09,510 INFO L74 IsIncluded]: Start isIncluded. First operand 1179 states. Second operand has 1125 states, 997 states have (on average 1.2928786359077231) internal successors, (1289), 1014 states have internal predecessors, (1289), 75 states have call successors, (75), 43 states have call predecessors, (75), 51 states have return successors, (110), 68 states have call predecessors, (110), 74 states have call successors, (110) [2022-02-20 19:55:09,511 INFO L87 Difference]: Start difference. First operand 1179 states. Second operand has 1125 states, 997 states have (on average 1.2928786359077231) internal successors, (1289), 1014 states have internal predecessors, (1289), 75 states have call successors, (75), 43 states have call predecessors, (75), 51 states have return successors, (110), 68 states have call predecessors, (110), 74 states have call successors, (110) [2022-02-20 19:55:09,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:09,557 INFO L93 Difference]: Finished difference Result 1179 states and 1567 transitions. [2022-02-20 19:55:09,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1567 transitions. [2022-02-20 19:55:09,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:09,559 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:09,561 INFO L74 IsIncluded]: Start isIncluded. First operand has 1125 states, 997 states have (on average 1.2928786359077231) internal successors, (1289), 1014 states have internal predecessors, (1289), 75 states have call successors, (75), 43 states have call predecessors, (75), 51 states have return successors, (110), 68 states have call predecessors, (110), 74 states have call successors, (110) Second operand 1179 states. [2022-02-20 19:55:09,562 INFO L87 Difference]: Start difference. First operand has 1125 states, 997 states have (on average 1.2928786359077231) internal successors, (1289), 1014 states have internal predecessors, (1289), 75 states have call successors, (75), 43 states have call predecessors, (75), 51 states have return successors, (110), 68 states have call predecessors, (110), 74 states have call successors, (110) Second operand 1179 states. [2022-02-20 19:55:09,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:09,625 INFO L93 Difference]: Finished difference Result 1179 states and 1567 transitions. [2022-02-20 19:55:09,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1567 transitions. [2022-02-20 19:55:09,627 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:09,627 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:09,627 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:55:09,627 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:55:09,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1125 states, 997 states have (on average 1.2928786359077231) internal successors, (1289), 1014 states have internal predecessors, (1289), 75 states have call successors, (75), 43 states have call predecessors, (75), 51 states have return successors, (110), 68 states have call predecessors, (110), 74 states have call successors, (110) [2022-02-20 19:55:09,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 1125 states and 1474 transitions. [2022-02-20 19:55:09,721 INFO L78 Accepts]: Start accepts. Automaton has 1125 states and 1474 transitions. Word has length 90 [2022-02-20 19:55:09,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:55:09,722 INFO L470 AbstractCegarLoop]: Abstraction has 1125 states and 1474 transitions. [2022-02-20 19:55:09,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:09,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1474 transitions. [2022-02-20 19:55:09,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-02-20 19:55:09,725 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:55:09,725 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 19:55:09,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-20 19:55:09,725 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:55:09,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:55:09,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1261302973, now seen corresponding path program 1 times [2022-02-20 19:55:09,726 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:55:09,726 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058710091] [2022-02-20 19:55:09,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:55:09,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:55:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:09,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-02-20 19:55:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:09,757 INFO L290 TraceCheckUtils]: 0: Hoare triple {43769#true} assume true; {43769#true} is VALID [2022-02-20 19:55:09,758 INFO L284 TraceCheckUtils]: 1: Hoare quadruple {43769#true} {43771#(= ~M_E~0 2)} #938#return; {43771#(= ~M_E~0 2)} is VALID [2022-02-20 19:55:09,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-02-20 19:55:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:09,781 INFO L290 TraceCheckUtils]: 0: Hoare triple {43835#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} assume 0 == ~M_E~0;~M_E~0 := 1; {43836#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:55:09,781 INFO L290 TraceCheckUtils]: 1: Hoare triple {43836#(= |old(~M_E~0)| 0)} assume 0 == ~T1_E~0;~T1_E~0 := 1; {43836#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:55:09,782 INFO L290 TraceCheckUtils]: 2: Hoare triple {43836#(= |old(~M_E~0)| 0)} assume !(0 == ~T2_E~0); {43836#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:55:09,782 INFO L290 TraceCheckUtils]: 3: Hoare triple {43836#(= |old(~M_E~0)| 0)} assume 0 == ~T3_E~0;~T3_E~0 := 1; {43836#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:55:09,782 INFO L290 TraceCheckUtils]: 4: Hoare triple {43836#(= |old(~M_E~0)| 0)} assume 0 == ~T4_E~0;~T4_E~0 := 1; {43836#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:55:09,783 INFO L290 TraceCheckUtils]: 5: Hoare triple {43836#(= |old(~M_E~0)| 0)} assume 0 == ~E_M~0;~E_M~0 := 1; {43836#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:55:09,783 INFO L290 TraceCheckUtils]: 6: Hoare triple {43836#(= |old(~M_E~0)| 0)} assume 0 == ~E_1~0;~E_1~0 := 1; {43836#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:55:09,784 INFO L290 TraceCheckUtils]: 7: Hoare triple {43836#(= |old(~M_E~0)| 0)} assume 0 == ~E_2~0;~E_2~0 := 1; {43836#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:55:09,784 INFO L290 TraceCheckUtils]: 8: Hoare triple {43836#(= |old(~M_E~0)| 0)} assume 0 == ~E_3~0;~E_3~0 := 1; {43836#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:55:09,784 INFO L290 TraceCheckUtils]: 9: Hoare triple {43836#(= |old(~M_E~0)| 0)} assume 0 == ~E_4~0;~E_4~0 := 1; {43836#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:55:09,785 INFO L290 TraceCheckUtils]: 10: Hoare triple {43836#(= |old(~M_E~0)| 0)} assume true; {43836#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:55:09,785 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {43836#(= |old(~M_E~0)| 0)} {43771#(= ~M_E~0 2)} #940#return; {43770#false} is VALID [2022-02-20 19:55:09,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-02-20 19:55:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:09,804 INFO L290 TraceCheckUtils]: 0: Hoare triple {43837#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0) (= |old(~t3_st~0)| ~t3_st~0) (= |old(~t4_st~0)| ~t4_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;havoc ~tmp___2~0#1;havoc ~tmp___3~0#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; {43769#true} is VALID [2022-02-20 19:55:09,804 INFO L290 TraceCheckUtils]: 1: Hoare triple {43769#true} assume 1 == ~m_pc~0; {43769#true} is VALID [2022-02-20 19:55:09,804 INFO L290 TraceCheckUtils]: 2: Hoare triple {43769#true} assume 1 == ~E_M~0;is_master_triggered_~__retres1~4#1 := 1; {43769#true} is VALID [2022-02-20 19:55:09,804 INFO L290 TraceCheckUtils]: 3: Hoare triple {43769#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {43769#true} is VALID [2022-02-20 19:55:09,804 INFO L290 TraceCheckUtils]: 4: Hoare triple {43769#true} #t~ret24#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp~5#1 := #t~ret24#1;havoc #t~ret24#1; {43769#true} is VALID [2022-02-20 19:55:09,805 INFO L290 TraceCheckUtils]: 5: Hoare triple {43769#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {43769#true} is VALID [2022-02-20 19:55:09,805 INFO L290 TraceCheckUtils]: 6: Hoare triple {43769#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; {43769#true} is VALID [2022-02-20 19:55:09,805 INFO L290 TraceCheckUtils]: 7: Hoare triple {43769#true} assume 1 == ~t1_pc~0; {43769#true} is VALID [2022-02-20 19:55:09,805 INFO L290 TraceCheckUtils]: 8: Hoare triple {43769#true} assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~5#1 := 1; {43769#true} is VALID [2022-02-20 19:55:09,805 INFO L290 TraceCheckUtils]: 9: Hoare triple {43769#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {43769#true} is VALID [2022-02-20 19:55:09,805 INFO L290 TraceCheckUtils]: 10: Hoare triple {43769#true} #t~ret25#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___0~2#1 := #t~ret25#1;havoc #t~ret25#1; {43769#true} is VALID [2022-02-20 19:55:09,806 INFO L290 TraceCheckUtils]: 11: Hoare triple {43769#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {43769#true} is VALID [2022-02-20 19:55:09,806 INFO L290 TraceCheckUtils]: 12: Hoare triple {43769#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; {43769#true} is VALID [2022-02-20 19:55:09,806 INFO L290 TraceCheckUtils]: 13: Hoare triple {43769#true} assume !(1 == ~t2_pc~0); {43769#true} is VALID [2022-02-20 19:55:09,806 INFO L290 TraceCheckUtils]: 14: Hoare triple {43769#true} is_transmit2_triggered_~__retres1~6#1 := 0; {43769#true} is VALID [2022-02-20 19:55:09,806 INFO L290 TraceCheckUtils]: 15: Hoare triple {43769#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {43769#true} is VALID [2022-02-20 19:55:09,806 INFO L290 TraceCheckUtils]: 16: Hoare triple {43769#true} #t~ret26#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret26#1 && #t~ret26#1 <= 2147483647;~tmp___1~1#1 := #t~ret26#1;havoc #t~ret26#1; {43769#true} is VALID [2022-02-20 19:55:09,806 INFO L290 TraceCheckUtils]: 17: Hoare triple {43769#true} assume !(0 != ~tmp___1~1#1); {43769#true} is VALID [2022-02-20 19:55:09,807 INFO L290 TraceCheckUtils]: 18: Hoare triple {43769#true} assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~7#1;havoc is_transmit3_triggered_~__retres1~7#1; {43769#true} is VALID [2022-02-20 19:55:09,807 INFO L290 TraceCheckUtils]: 19: Hoare triple {43769#true} assume 1 == ~t3_pc~0; {43769#true} is VALID [2022-02-20 19:55:09,807 INFO L290 TraceCheckUtils]: 20: Hoare triple {43769#true} assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~7#1 := 1; {43769#true} is VALID [2022-02-20 19:55:09,807 INFO L290 TraceCheckUtils]: 21: Hoare triple {43769#true} is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~7#1; {43769#true} is VALID [2022-02-20 19:55:09,807 INFO L290 TraceCheckUtils]: 22: Hoare triple {43769#true} #t~ret27#1 := is_transmit3_triggered_#res#1;assume { :end_inline_is_transmit3_triggered } true;assume -2147483648 <= #t~ret27#1 && #t~ret27#1 <= 2147483647;~tmp___2~0#1 := #t~ret27#1;havoc #t~ret27#1; {43769#true} is VALID [2022-02-20 19:55:09,807 INFO L290 TraceCheckUtils]: 23: Hoare triple {43769#true} assume 0 != ~tmp___2~0#1;~t3_st~0 := 0; {43769#true} is VALID [2022-02-20 19:55:09,808 INFO L290 TraceCheckUtils]: 24: Hoare triple {43769#true} assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~8#1;havoc is_transmit4_triggered_~__retres1~8#1; {43769#true} is VALID [2022-02-20 19:55:09,808 INFO L290 TraceCheckUtils]: 25: Hoare triple {43769#true} assume !(1 == ~t4_pc~0); {43769#true} is VALID [2022-02-20 19:55:09,808 INFO L290 TraceCheckUtils]: 26: Hoare triple {43769#true} is_transmit4_triggered_~__retres1~8#1 := 0; {43769#true} is VALID [2022-02-20 19:55:09,808 INFO L290 TraceCheckUtils]: 27: Hoare triple {43769#true} is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~8#1; {43769#true} is VALID [2022-02-20 19:55:09,808 INFO L290 TraceCheckUtils]: 28: Hoare triple {43769#true} #t~ret28#1 := is_transmit4_triggered_#res#1;assume { :end_inline_is_transmit4_triggered } true;assume -2147483648 <= #t~ret28#1 && #t~ret28#1 <= 2147483647;~tmp___3~0#1 := #t~ret28#1;havoc #t~ret28#1; {43769#true} is VALID [2022-02-20 19:55:09,808 INFO L290 TraceCheckUtils]: 29: Hoare triple {43769#true} assume 0 != ~tmp___3~0#1;~t4_st~0 := 0; {43769#true} is VALID [2022-02-20 19:55:09,808 INFO L290 TraceCheckUtils]: 30: Hoare triple {43769#true} assume true; {43769#true} is VALID [2022-02-20 19:55:09,809 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {43769#true} {43770#false} #942#return; {43770#false} is VALID [2022-02-20 19:55:09,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-02-20 19:55:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:09,814 INFO L290 TraceCheckUtils]: 0: Hoare triple {43835#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} assume 1 == ~M_E~0;~M_E~0 := 2; {43769#true} is VALID [2022-02-20 19:55:09,814 INFO L290 TraceCheckUtils]: 1: Hoare triple {43769#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {43769#true} is VALID [2022-02-20 19:55:09,814 INFO L290 TraceCheckUtils]: 2: Hoare triple {43769#true} assume 1 == ~T2_E~0;~T2_E~0 := 2; {43769#true} is VALID [2022-02-20 19:55:09,814 INFO L290 TraceCheckUtils]: 3: Hoare triple {43769#true} assume 1 == ~T3_E~0;~T3_E~0 := 2; {43769#true} is VALID [2022-02-20 19:55:09,814 INFO L290 TraceCheckUtils]: 4: Hoare triple {43769#true} assume 1 == ~T4_E~0;~T4_E~0 := 2; {43769#true} is VALID [2022-02-20 19:55:09,814 INFO L290 TraceCheckUtils]: 5: Hoare triple {43769#true} assume !(1 == ~E_M~0); {43769#true} is VALID [2022-02-20 19:55:09,814 INFO L290 TraceCheckUtils]: 6: Hoare triple {43769#true} assume 1 == ~E_1~0;~E_1~0 := 2; {43769#true} is VALID [2022-02-20 19:55:09,815 INFO L290 TraceCheckUtils]: 7: Hoare triple {43769#true} assume 1 == ~E_2~0;~E_2~0 := 2; {43769#true} is VALID [2022-02-20 19:55:09,815 INFO L290 TraceCheckUtils]: 8: Hoare triple {43769#true} assume 1 == ~E_3~0;~E_3~0 := 2; {43769#true} is VALID [2022-02-20 19:55:09,815 INFO L290 TraceCheckUtils]: 9: Hoare triple {43769#true} assume 1 == ~E_4~0;~E_4~0 := 2; {43769#true} is VALID [2022-02-20 19:55:09,815 INFO L290 TraceCheckUtils]: 10: Hoare triple {43769#true} assume true; {43769#true} is VALID [2022-02-20 19:55:09,815 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {43769#true} {43770#false} #944#return; {43770#false} is VALID [2022-02-20 19:55:09,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-02-20 19:55:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:09,818 INFO L290 TraceCheckUtils]: 0: Hoare triple {43769#true} havoc ~__retres1~9; {43769#true} is VALID [2022-02-20 19:55:09,819 INFO L290 TraceCheckUtils]: 1: Hoare triple {43769#true} assume 0 == ~m_st~0;~__retres1~9 := 1; {43769#true} is VALID [2022-02-20 19:55:09,819 INFO L290 TraceCheckUtils]: 2: Hoare triple {43769#true} #res := ~__retres1~9; {43769#true} is VALID [2022-02-20 19:55:09,819 INFO L290 TraceCheckUtils]: 3: Hoare triple {43769#true} assume true; {43769#true} is VALID [2022-02-20 19:55:09,819 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {43769#true} {43770#false} #946#return; {43770#false} is VALID [2022-02-20 19:55:09,820 INFO L290 TraceCheckUtils]: 0: Hoare triple {43769#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;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0; {43771#(= ~M_E~0 2)} is VALID [2022-02-20 19:55:09,821 INFO L290 TraceCheckUtils]: 1: Hoare triple {43771#(= ~M_E~0 2)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet32#1, main_#t~ret33#1, main_#t~ret34#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {43771#(= ~M_E~0 2)} is VALID [2022-02-20 19:55:09,821 INFO L290 TraceCheckUtils]: 2: Hoare triple {43771#(= ~M_E~0 2)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume { :begin_inline_main2 } true;havoc main2_#res#1;havoc main2_~__retres1~10#1;havoc main2_~__retres1~10#1;assume { :begin_inline_init_model2 } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1; {43771#(= ~M_E~0 2)} is VALID [2022-02-20 19:55:09,821 INFO L290 TraceCheckUtils]: 3: Hoare triple {43771#(= ~M_E~0 2)} assume { :end_inline_init_model2 } true;assume { :begin_inline_start_simulation2 } true;havoc start_simulation2_#t~ret30#1, start_simulation2_#t~ret31#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; {43771#(= ~M_E~0 2)} is VALID [2022-02-20 19:55:09,821 INFO L272 TraceCheckUtils]: 4: Hoare triple {43771#(= ~M_E~0 2)} call update_channels2(); {43769#true} is VALID [2022-02-20 19:55:09,822 INFO L290 TraceCheckUtils]: 5: Hoare triple {43769#true} assume true; {43769#true} is VALID [2022-02-20 19:55:09,822 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {43769#true} {43771#(= ~M_E~0 2)} #938#return; {43771#(= ~M_E~0 2)} is VALID [2022-02-20 19:55:09,822 INFO L290 TraceCheckUtils]: 7: Hoare triple {43771#(= ~M_E~0 2)} assume { :begin_inline_init_threads2 } true; {43771#(= ~M_E~0 2)} is VALID [2022-02-20 19:55:09,823 INFO L290 TraceCheckUtils]: 8: Hoare triple {43771#(= ~M_E~0 2)} assume 1 == ~m_i~0;~m_st~0 := 0; {43771#(= ~M_E~0 2)} is VALID [2022-02-20 19:55:09,823 INFO L290 TraceCheckUtils]: 9: Hoare triple {43771#(= ~M_E~0 2)} assume 1 == ~t1_i~0;~t1_st~0 := 0; {43771#(= ~M_E~0 2)} is VALID [2022-02-20 19:55:09,824 INFO L290 TraceCheckUtils]: 10: Hoare triple {43771#(= ~M_E~0 2)} assume 1 == ~t2_i~0;~t2_st~0 := 0; {43771#(= ~M_E~0 2)} is VALID [2022-02-20 19:55:09,824 INFO L290 TraceCheckUtils]: 11: Hoare triple {43771#(= ~M_E~0 2)} assume 1 == ~t3_i~0;~t3_st~0 := 0; {43771#(= ~M_E~0 2)} is VALID [2022-02-20 19:55:09,824 INFO L290 TraceCheckUtils]: 12: Hoare triple {43771#(= ~M_E~0 2)} assume 1 == ~t4_i~0;~t4_st~0 := 0; {43771#(= ~M_E~0 2)} is VALID [2022-02-20 19:55:09,825 INFO L290 TraceCheckUtils]: 13: Hoare triple {43771#(= ~M_E~0 2)} assume { :end_inline_init_threads2 } true; {43771#(= ~M_E~0 2)} is VALID [2022-02-20 19:55:09,826 INFO L272 TraceCheckUtils]: 14: Hoare triple {43771#(= ~M_E~0 2)} call fire_delta_events2(); {43835#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} is VALID [2022-02-20 19:55:09,826 INFO L290 TraceCheckUtils]: 15: Hoare triple {43835#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} assume 0 == ~M_E~0;~M_E~0 := 1; {43836#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:55:09,826 INFO L290 TraceCheckUtils]: 16: Hoare triple {43836#(= |old(~M_E~0)| 0)} assume 0 == ~T1_E~0;~T1_E~0 := 1; {43836#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:55:09,827 INFO L290 TraceCheckUtils]: 17: Hoare triple {43836#(= |old(~M_E~0)| 0)} assume !(0 == ~T2_E~0); {43836#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:55:09,827 INFO L290 TraceCheckUtils]: 18: Hoare triple {43836#(= |old(~M_E~0)| 0)} assume 0 == ~T3_E~0;~T3_E~0 := 1; {43836#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:55:09,827 INFO L290 TraceCheckUtils]: 19: Hoare triple {43836#(= |old(~M_E~0)| 0)} assume 0 == ~T4_E~0;~T4_E~0 := 1; {43836#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:55:09,828 INFO L290 TraceCheckUtils]: 20: Hoare triple {43836#(= |old(~M_E~0)| 0)} assume 0 == ~E_M~0;~E_M~0 := 1; {43836#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:55:09,828 INFO L290 TraceCheckUtils]: 21: Hoare triple {43836#(= |old(~M_E~0)| 0)} assume 0 == ~E_1~0;~E_1~0 := 1; {43836#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:55:09,828 INFO L290 TraceCheckUtils]: 22: Hoare triple {43836#(= |old(~M_E~0)| 0)} assume 0 == ~E_2~0;~E_2~0 := 1; {43836#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:55:09,829 INFO L290 TraceCheckUtils]: 23: Hoare triple {43836#(= |old(~M_E~0)| 0)} assume 0 == ~E_3~0;~E_3~0 := 1; {43836#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:55:09,829 INFO L290 TraceCheckUtils]: 24: Hoare triple {43836#(= |old(~M_E~0)| 0)} assume 0 == ~E_4~0;~E_4~0 := 1; {43836#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:55:09,830 INFO L290 TraceCheckUtils]: 25: Hoare triple {43836#(= |old(~M_E~0)| 0)} assume true; {43836#(= |old(~M_E~0)| 0)} is VALID [2022-02-20 19:55:09,830 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {43836#(= |old(~M_E~0)| 0)} {43771#(= ~M_E~0 2)} #940#return; {43770#false} is VALID [2022-02-20 19:55:09,830 INFO L272 TraceCheckUtils]: 27: Hoare triple {43770#false} call activate_threads2(); {43837#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0) (= |old(~t3_st~0)| ~t3_st~0) (= |old(~t4_st~0)| ~t4_st~0))} is VALID [2022-02-20 19:55:09,830 INFO L290 TraceCheckUtils]: 28: Hoare triple {43837#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0) (= |old(~t3_st~0)| ~t3_st~0) (= |old(~t4_st~0)| ~t4_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;havoc ~tmp___2~0#1;havoc ~tmp___3~0#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; {43769#true} is VALID [2022-02-20 19:55:09,830 INFO L290 TraceCheckUtils]: 29: Hoare triple {43769#true} assume 1 == ~m_pc~0; {43769#true} is VALID [2022-02-20 19:55:09,831 INFO L290 TraceCheckUtils]: 30: Hoare triple {43769#true} assume 1 == ~E_M~0;is_master_triggered_~__retres1~4#1 := 1; {43769#true} is VALID [2022-02-20 19:55:09,831 INFO L290 TraceCheckUtils]: 31: Hoare triple {43769#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {43769#true} is VALID [2022-02-20 19:55:09,831 INFO L290 TraceCheckUtils]: 32: Hoare triple {43769#true} #t~ret24#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp~5#1 := #t~ret24#1;havoc #t~ret24#1; {43769#true} is VALID [2022-02-20 19:55:09,831 INFO L290 TraceCheckUtils]: 33: Hoare triple {43769#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {43769#true} is VALID [2022-02-20 19:55:09,831 INFO L290 TraceCheckUtils]: 34: Hoare triple {43769#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; {43769#true} is VALID [2022-02-20 19:55:09,831 INFO L290 TraceCheckUtils]: 35: Hoare triple {43769#true} assume 1 == ~t1_pc~0; {43769#true} is VALID [2022-02-20 19:55:09,831 INFO L290 TraceCheckUtils]: 36: Hoare triple {43769#true} assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~5#1 := 1; {43769#true} is VALID [2022-02-20 19:55:09,832 INFO L290 TraceCheckUtils]: 37: Hoare triple {43769#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {43769#true} is VALID [2022-02-20 19:55:09,832 INFO L290 TraceCheckUtils]: 38: Hoare triple {43769#true} #t~ret25#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___0~2#1 := #t~ret25#1;havoc #t~ret25#1; {43769#true} is VALID [2022-02-20 19:55:09,832 INFO L290 TraceCheckUtils]: 39: Hoare triple {43769#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {43769#true} is VALID [2022-02-20 19:55:09,832 INFO L290 TraceCheckUtils]: 40: Hoare triple {43769#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; {43769#true} is VALID [2022-02-20 19:55:09,832 INFO L290 TraceCheckUtils]: 41: Hoare triple {43769#true} assume !(1 == ~t2_pc~0); {43769#true} is VALID [2022-02-20 19:55:09,832 INFO L290 TraceCheckUtils]: 42: Hoare triple {43769#true} is_transmit2_triggered_~__retres1~6#1 := 0; {43769#true} is VALID [2022-02-20 19:55:09,832 INFO L290 TraceCheckUtils]: 43: Hoare triple {43769#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {43769#true} is VALID [2022-02-20 19:55:09,833 INFO L290 TraceCheckUtils]: 44: Hoare triple {43769#true} #t~ret26#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret26#1 && #t~ret26#1 <= 2147483647;~tmp___1~1#1 := #t~ret26#1;havoc #t~ret26#1; {43769#true} is VALID [2022-02-20 19:55:09,833 INFO L290 TraceCheckUtils]: 45: Hoare triple {43769#true} assume !(0 != ~tmp___1~1#1); {43769#true} is VALID [2022-02-20 19:55:09,833 INFO L290 TraceCheckUtils]: 46: Hoare triple {43769#true} assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~7#1;havoc is_transmit3_triggered_~__retres1~7#1; {43769#true} is VALID [2022-02-20 19:55:09,833 INFO L290 TraceCheckUtils]: 47: Hoare triple {43769#true} assume 1 == ~t3_pc~0; {43769#true} is VALID [2022-02-20 19:55:09,833 INFO L290 TraceCheckUtils]: 48: Hoare triple {43769#true} assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~7#1 := 1; {43769#true} is VALID [2022-02-20 19:55:09,833 INFO L290 TraceCheckUtils]: 49: Hoare triple {43769#true} is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~7#1; {43769#true} is VALID [2022-02-20 19:55:09,833 INFO L290 TraceCheckUtils]: 50: Hoare triple {43769#true} #t~ret27#1 := is_transmit3_triggered_#res#1;assume { :end_inline_is_transmit3_triggered } true;assume -2147483648 <= #t~ret27#1 && #t~ret27#1 <= 2147483647;~tmp___2~0#1 := #t~ret27#1;havoc #t~ret27#1; {43769#true} is VALID [2022-02-20 19:55:09,834 INFO L290 TraceCheckUtils]: 51: Hoare triple {43769#true} assume 0 != ~tmp___2~0#1;~t3_st~0 := 0; {43769#true} is VALID [2022-02-20 19:55:09,834 INFO L290 TraceCheckUtils]: 52: Hoare triple {43769#true} assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~8#1;havoc is_transmit4_triggered_~__retres1~8#1; {43769#true} is VALID [2022-02-20 19:55:09,834 INFO L290 TraceCheckUtils]: 53: Hoare triple {43769#true} assume !(1 == ~t4_pc~0); {43769#true} is VALID [2022-02-20 19:55:09,834 INFO L290 TraceCheckUtils]: 54: Hoare triple {43769#true} is_transmit4_triggered_~__retres1~8#1 := 0; {43769#true} is VALID [2022-02-20 19:55:09,834 INFO L290 TraceCheckUtils]: 55: Hoare triple {43769#true} is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~8#1; {43769#true} is VALID [2022-02-20 19:55:09,834 INFO L290 TraceCheckUtils]: 56: Hoare triple {43769#true} #t~ret28#1 := is_transmit4_triggered_#res#1;assume { :end_inline_is_transmit4_triggered } true;assume -2147483648 <= #t~ret28#1 && #t~ret28#1 <= 2147483647;~tmp___3~0#1 := #t~ret28#1;havoc #t~ret28#1; {43769#true} is VALID [2022-02-20 19:55:09,834 INFO L290 TraceCheckUtils]: 57: Hoare triple {43769#true} assume 0 != ~tmp___3~0#1;~t4_st~0 := 0; {43769#true} is VALID [2022-02-20 19:55:09,835 INFO L290 TraceCheckUtils]: 58: Hoare triple {43769#true} assume true; {43769#true} is VALID [2022-02-20 19:55:09,835 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {43769#true} {43770#false} #942#return; {43770#false} is VALID [2022-02-20 19:55:09,835 INFO L272 TraceCheckUtils]: 60: Hoare triple {43770#false} call reset_delta_events2(); {43835#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} is VALID [2022-02-20 19:55:09,835 INFO L290 TraceCheckUtils]: 61: Hoare triple {43835#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} assume 1 == ~M_E~0;~M_E~0 := 2; {43769#true} is VALID [2022-02-20 19:55:09,835 INFO L290 TraceCheckUtils]: 62: Hoare triple {43769#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {43769#true} is VALID [2022-02-20 19:55:09,835 INFO L290 TraceCheckUtils]: 63: Hoare triple {43769#true} assume 1 == ~T2_E~0;~T2_E~0 := 2; {43769#true} is VALID [2022-02-20 19:55:09,836 INFO L290 TraceCheckUtils]: 64: Hoare triple {43769#true} assume 1 == ~T3_E~0;~T3_E~0 := 2; {43769#true} is VALID [2022-02-20 19:55:09,836 INFO L290 TraceCheckUtils]: 65: Hoare triple {43769#true} assume 1 == ~T4_E~0;~T4_E~0 := 2; {43769#true} is VALID [2022-02-20 19:55:09,836 INFO L290 TraceCheckUtils]: 66: Hoare triple {43769#true} assume !(1 == ~E_M~0); {43769#true} is VALID [2022-02-20 19:55:09,836 INFO L290 TraceCheckUtils]: 67: Hoare triple {43769#true} assume 1 == ~E_1~0;~E_1~0 := 2; {43769#true} is VALID [2022-02-20 19:55:09,836 INFO L290 TraceCheckUtils]: 68: Hoare triple {43769#true} assume 1 == ~E_2~0;~E_2~0 := 2; {43769#true} is VALID [2022-02-20 19:55:09,836 INFO L290 TraceCheckUtils]: 69: Hoare triple {43769#true} assume 1 == ~E_3~0;~E_3~0 := 2; {43769#true} is VALID [2022-02-20 19:55:09,836 INFO L290 TraceCheckUtils]: 70: Hoare triple {43769#true} assume 1 == ~E_4~0;~E_4~0 := 2; {43769#true} is VALID [2022-02-20 19:55:09,837 INFO L290 TraceCheckUtils]: 71: Hoare triple {43769#true} assume true; {43769#true} is VALID [2022-02-20 19:55:09,837 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {43769#true} {43770#false} #944#return; {43770#false} is VALID [2022-02-20 19:55:09,837 INFO L290 TraceCheckUtils]: 73: Hoare triple {43770#false} assume !false; {43770#false} is VALID [2022-02-20 19:55:09,837 INFO L290 TraceCheckUtils]: 74: Hoare triple {43770#false} start_simulation2_~kernel_st~1#1 := 1;assume { :begin_inline_eval2 } true;havoc eval2_#t~ret18#1, eval2_#t~nondet19#1, eval2_~tmp_ndt_1~0#1, eval2_#t~nondet20#1, eval2_~tmp_ndt_2~0#1, eval2_#t~nondet21#1, eval2_~tmp_ndt_3~0#1, eval2_#t~nondet22#1, eval2_~tmp_ndt_4~0#1, eval2_#t~nondet23#1, eval2_~tmp_ndt_5~0#1, eval2_~tmp~4#1;havoc eval2_~tmp~4#1; {43770#false} is VALID [2022-02-20 19:55:09,837 INFO L290 TraceCheckUtils]: 75: Hoare triple {43770#false} assume !false; {43770#false} is VALID [2022-02-20 19:55:09,837 INFO L272 TraceCheckUtils]: 76: Hoare triple {43770#false} call eval2_#t~ret18#1 := exists_runnable_thread2(); {43769#true} is VALID [2022-02-20 19:55:09,837 INFO L290 TraceCheckUtils]: 77: Hoare triple {43769#true} havoc ~__retres1~9; {43769#true} is VALID [2022-02-20 19:55:09,838 INFO L290 TraceCheckUtils]: 78: Hoare triple {43769#true} assume 0 == ~m_st~0;~__retres1~9 := 1; {43769#true} is VALID [2022-02-20 19:55:09,838 INFO L290 TraceCheckUtils]: 79: Hoare triple {43769#true} #res := ~__retres1~9; {43769#true} is VALID [2022-02-20 19:55:09,838 INFO L290 TraceCheckUtils]: 80: Hoare triple {43769#true} assume true; {43769#true} is VALID [2022-02-20 19:55:09,838 INFO L284 TraceCheckUtils]: 81: Hoare quadruple {43769#true} {43770#false} #946#return; {43770#false} is VALID [2022-02-20 19:55:09,838 INFO L290 TraceCheckUtils]: 82: Hoare triple {43770#false} assume -2147483648 <= eval2_#t~ret18#1 && eval2_#t~ret18#1 <= 2147483647;eval2_~tmp~4#1 := eval2_#t~ret18#1;havoc eval2_#t~ret18#1; {43770#false} is VALID [2022-02-20 19:55:09,838 INFO L290 TraceCheckUtils]: 83: Hoare triple {43770#false} assume 0 != eval2_~tmp~4#1; {43770#false} is VALID [2022-02-20 19:55:09,838 INFO L290 TraceCheckUtils]: 84: Hoare triple {43770#false} assume 0 == ~m_st~0;havoc eval2_~tmp_ndt_1~0#1;assume -2147483648 <= eval2_#t~nondet19#1 && eval2_#t~nondet19#1 <= 2147483647;eval2_~tmp_ndt_1~0#1 := eval2_#t~nondet19#1;havoc eval2_#t~nondet19#1; {43770#false} is VALID [2022-02-20 19:55:09,839 INFO L290 TraceCheckUtils]: 85: Hoare triple {43770#false} assume 0 != eval2_~tmp_ndt_1~0#1;~m_st~0 := 1;assume { :begin_inline_master } true;havoc master_#t~nondet17#1; {43770#false} is VALID [2022-02-20 19:55:09,839 INFO L290 TraceCheckUtils]: 86: Hoare triple {43770#false} assume !(0 == ~m_pc~0); {43770#false} is VALID [2022-02-20 19:55:09,839 INFO L290 TraceCheckUtils]: 87: Hoare triple {43770#false} assume 1 == ~m_pc~0; {43770#false} is VALID [2022-02-20 19:55:09,839 INFO L290 TraceCheckUtils]: 88: Hoare triple {43770#false} assume ~token~0 != 4 + ~local~0;assume { :begin_inline_error2 } true; {43770#false} is VALID [2022-02-20 19:55:09,839 INFO L290 TraceCheckUtils]: 89: Hoare triple {43770#false} assume !false; {43770#false} is VALID [2022-02-20 19:55:09,840 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 19:55:09,840 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:55:09,840 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058710091] [2022-02-20 19:55:09,840 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058710091] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:55:09,840 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 19:55:09,840 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 19:55:09,841 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145255028] [2022-02-20 19:55:09,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:55:09,841 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 90 [2022-02-20 19:55:09,842 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:55:09,842 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:09,910 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 90 edges. 90 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:09,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 19:55:09,910 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:55:09,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 19:55:09,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 19:55:09,911 INFO L87 Difference]: Start difference. First operand 1125 states and 1474 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:12,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:12,530 INFO L93 Difference]: Finished difference Result 1565 states and 2161 transitions. [2022-02-20 19:55:12,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-20 19:55:12,530 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 90 [2022-02-20 19:55:12,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:55:12,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:12,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1044 transitions. [2022-02-20 19:55:12,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:12,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1044 transitions. [2022-02-20 19:55:12,541 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 1044 transitions. [2022-02-20 19:55:13,389 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 1044 edges. 1044 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:13,473 INFO L225 Difference]: With dead ends: 1565 [2022-02-20 19:55:13,474 INFO L226 Difference]: Without dead ends: 1400 [2022-02-20 19:55:13,474 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 19:55:13,475 INFO L933 BasicCegarLoop]: 395 mSDtfsCounter, 777 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 897 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 792 SdHoareTripleChecker+Valid, 994 SdHoareTripleChecker+Invalid, 991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-02-20 19:55:13,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [792 Valid, 994 Invalid, 991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 897 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-02-20 19:55:13,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1400 states. [2022-02-20 19:55:13,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1400 to 1293. [2022-02-20 19:55:13,657 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:55:13,659 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1400 states. Second operand has 1293 states, 1145 states have (on average 1.3248908296943231) internal successors, (1517), 1163 states have internal predecessors, (1517), 88 states have call successors, (88), 49 states have call predecessors, (88), 58 states have return successors, (126), 81 states have call predecessors, (126), 87 states have call successors, (126) [2022-02-20 19:55:13,661 INFO L74 IsIncluded]: Start isIncluded. First operand 1400 states. Second operand has 1293 states, 1145 states have (on average 1.3248908296943231) internal successors, (1517), 1163 states have internal predecessors, (1517), 88 states have call successors, (88), 49 states have call predecessors, (88), 58 states have return successors, (126), 81 states have call predecessors, (126), 87 states have call successors, (126) [2022-02-20 19:55:13,662 INFO L87 Difference]: Start difference. First operand 1400 states. Second operand has 1293 states, 1145 states have (on average 1.3248908296943231) internal successors, (1517), 1163 states have internal predecessors, (1517), 88 states have call successors, (88), 49 states have call predecessors, (88), 58 states have return successors, (126), 81 states have call predecessors, (126), 87 states have call successors, (126) [2022-02-20 19:55:13,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:13,747 INFO L93 Difference]: Finished difference Result 1400 states and 1907 transitions. [2022-02-20 19:55:13,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1907 transitions. [2022-02-20 19:55:13,749 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:13,750 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:13,752 INFO L74 IsIncluded]: Start isIncluded. First operand has 1293 states, 1145 states have (on average 1.3248908296943231) internal successors, (1517), 1163 states have internal predecessors, (1517), 88 states have call successors, (88), 49 states have call predecessors, (88), 58 states have return successors, (126), 81 states have call predecessors, (126), 87 states have call successors, (126) Second operand 1400 states. [2022-02-20 19:55:13,753 INFO L87 Difference]: Start difference. First operand has 1293 states, 1145 states have (on average 1.3248908296943231) internal successors, (1517), 1163 states have internal predecessors, (1517), 88 states have call successors, (88), 49 states have call predecessors, (88), 58 states have return successors, (126), 81 states have call predecessors, (126), 87 states have call successors, (126) Second operand 1400 states. [2022-02-20 19:55:13,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:13,838 INFO L93 Difference]: Finished difference Result 1400 states and 1907 transitions. [2022-02-20 19:55:13,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1907 transitions. [2022-02-20 19:55:13,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:13,841 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:13,841 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:55:13,841 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:55:13,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1293 states, 1145 states have (on average 1.3248908296943231) internal successors, (1517), 1163 states have internal predecessors, (1517), 88 states have call successors, (88), 49 states have call predecessors, (88), 58 states have return successors, (126), 81 states have call predecessors, (126), 87 states have call successors, (126) [2022-02-20 19:55:13,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1293 states and 1731 transitions. [2022-02-20 19:55:13,954 INFO L78 Accepts]: Start accepts. Automaton has 1293 states and 1731 transitions. Word has length 90 [2022-02-20 19:55:13,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:55:13,954 INFO L470 AbstractCegarLoop]: Abstraction has 1293 states and 1731 transitions. [2022-02-20 19:55:13,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:13,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1731 transitions. [2022-02-20 19:55:13,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-02-20 19:55:13,956 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:55:13,956 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 19:55:13,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-20 19:55:13,957 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:55:13,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:55:13,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1859004871, now seen corresponding path program 1 times [2022-02-20 19:55:13,957 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:55:13,957 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575048265] [2022-02-20 19:55:13,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:55:13,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:55:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:13,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-02-20 19:55:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:13,991 INFO L290 TraceCheckUtils]: 0: Hoare triple {50544#true} assume true; {50544#true} is VALID [2022-02-20 19:55:13,991 INFO L284 TraceCheckUtils]: 1: Hoare quadruple {50544#true} {50546#(= ~T1_E~0 ~M_E~0)} #938#return; {50546#(= ~T1_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:14,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-02-20 19:55:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:14,021 INFO L290 TraceCheckUtils]: 0: Hoare triple {50610#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} assume !(0 == ~M_E~0); {50611#(and (= |old(~T1_E~0)| ~T1_E~0) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:14,022 INFO L290 TraceCheckUtils]: 1: Hoare triple {50611#(and (= |old(~T1_E~0)| ~T1_E~0) (not (= |old(~M_E~0)| 0)))} assume 0 == ~T1_E~0;~T1_E~0 := 1; {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:14,022 INFO L290 TraceCheckUtils]: 2: Hoare triple {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} assume !(0 == ~T2_E~0); {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:14,023 INFO L290 TraceCheckUtils]: 3: Hoare triple {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} assume 0 == ~T3_E~0;~T3_E~0 := 1; {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:14,023 INFO L290 TraceCheckUtils]: 4: Hoare triple {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} assume 0 == ~T4_E~0;~T4_E~0 := 1; {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:14,023 INFO L290 TraceCheckUtils]: 5: Hoare triple {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} assume 0 == ~E_M~0;~E_M~0 := 1; {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:14,024 INFO L290 TraceCheckUtils]: 6: Hoare triple {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} assume 0 == ~E_1~0;~E_1~0 := 1; {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:14,024 INFO L290 TraceCheckUtils]: 7: Hoare triple {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} assume 0 == ~E_2~0;~E_2~0 := 1; {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:14,025 INFO L290 TraceCheckUtils]: 8: Hoare triple {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} assume 0 == ~E_3~0;~E_3~0 := 1; {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:14,025 INFO L290 TraceCheckUtils]: 9: Hoare triple {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} assume 0 == ~E_4~0;~E_4~0 := 1; {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:14,025 INFO L290 TraceCheckUtils]: 10: Hoare triple {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} assume true; {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:14,026 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} {50546#(= ~T1_E~0 ~M_E~0)} #940#return; {50545#false} is VALID [2022-02-20 19:55:14,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-02-20 19:55:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:14,045 INFO L290 TraceCheckUtils]: 0: Hoare triple {50613#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0) (= |old(~t3_st~0)| ~t3_st~0) (= |old(~t4_st~0)| ~t4_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;havoc ~tmp___2~0#1;havoc ~tmp___3~0#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; {50544#true} is VALID [2022-02-20 19:55:14,045 INFO L290 TraceCheckUtils]: 1: Hoare triple {50544#true} assume 1 == ~m_pc~0; {50544#true} is VALID [2022-02-20 19:55:14,045 INFO L290 TraceCheckUtils]: 2: Hoare triple {50544#true} assume 1 == ~E_M~0;is_master_triggered_~__retres1~4#1 := 1; {50544#true} is VALID [2022-02-20 19:55:14,045 INFO L290 TraceCheckUtils]: 3: Hoare triple {50544#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {50544#true} is VALID [2022-02-20 19:55:14,045 INFO L290 TraceCheckUtils]: 4: Hoare triple {50544#true} #t~ret24#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp~5#1 := #t~ret24#1;havoc #t~ret24#1; {50544#true} is VALID [2022-02-20 19:55:14,045 INFO L290 TraceCheckUtils]: 5: Hoare triple {50544#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {50544#true} is VALID [2022-02-20 19:55:14,045 INFO L290 TraceCheckUtils]: 6: Hoare triple {50544#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; {50544#true} is VALID [2022-02-20 19:55:14,046 INFO L290 TraceCheckUtils]: 7: Hoare triple {50544#true} assume 1 == ~t1_pc~0; {50544#true} is VALID [2022-02-20 19:55:14,046 INFO L290 TraceCheckUtils]: 8: Hoare triple {50544#true} assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~5#1 := 1; {50544#true} is VALID [2022-02-20 19:55:14,046 INFO L290 TraceCheckUtils]: 9: Hoare triple {50544#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {50544#true} is VALID [2022-02-20 19:55:14,046 INFO L290 TraceCheckUtils]: 10: Hoare triple {50544#true} #t~ret25#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___0~2#1 := #t~ret25#1;havoc #t~ret25#1; {50544#true} is VALID [2022-02-20 19:55:14,046 INFO L290 TraceCheckUtils]: 11: Hoare triple {50544#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {50544#true} is VALID [2022-02-20 19:55:14,046 INFO L290 TraceCheckUtils]: 12: Hoare triple {50544#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; {50544#true} is VALID [2022-02-20 19:55:14,046 INFO L290 TraceCheckUtils]: 13: Hoare triple {50544#true} assume !(1 == ~t2_pc~0); {50544#true} is VALID [2022-02-20 19:55:14,047 INFO L290 TraceCheckUtils]: 14: Hoare triple {50544#true} is_transmit2_triggered_~__retres1~6#1 := 0; {50544#true} is VALID [2022-02-20 19:55:14,047 INFO L290 TraceCheckUtils]: 15: Hoare triple {50544#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {50544#true} is VALID [2022-02-20 19:55:14,047 INFO L290 TraceCheckUtils]: 16: Hoare triple {50544#true} #t~ret26#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret26#1 && #t~ret26#1 <= 2147483647;~tmp___1~1#1 := #t~ret26#1;havoc #t~ret26#1; {50544#true} is VALID [2022-02-20 19:55:14,047 INFO L290 TraceCheckUtils]: 17: Hoare triple {50544#true} assume !(0 != ~tmp___1~1#1); {50544#true} is VALID [2022-02-20 19:55:14,047 INFO L290 TraceCheckUtils]: 18: Hoare triple {50544#true} assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~7#1;havoc is_transmit3_triggered_~__retres1~7#1; {50544#true} is VALID [2022-02-20 19:55:14,047 INFO L290 TraceCheckUtils]: 19: Hoare triple {50544#true} assume 1 == ~t3_pc~0; {50544#true} is VALID [2022-02-20 19:55:14,047 INFO L290 TraceCheckUtils]: 20: Hoare triple {50544#true} assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~7#1 := 1; {50544#true} is VALID [2022-02-20 19:55:14,048 INFO L290 TraceCheckUtils]: 21: Hoare triple {50544#true} is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~7#1; {50544#true} is VALID [2022-02-20 19:55:14,048 INFO L290 TraceCheckUtils]: 22: Hoare triple {50544#true} #t~ret27#1 := is_transmit3_triggered_#res#1;assume { :end_inline_is_transmit3_triggered } true;assume -2147483648 <= #t~ret27#1 && #t~ret27#1 <= 2147483647;~tmp___2~0#1 := #t~ret27#1;havoc #t~ret27#1; {50544#true} is VALID [2022-02-20 19:55:14,048 INFO L290 TraceCheckUtils]: 23: Hoare triple {50544#true} assume 0 != ~tmp___2~0#1;~t3_st~0 := 0; {50544#true} is VALID [2022-02-20 19:55:14,048 INFO L290 TraceCheckUtils]: 24: Hoare triple {50544#true} assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~8#1;havoc is_transmit4_triggered_~__retres1~8#1; {50544#true} is VALID [2022-02-20 19:55:14,048 INFO L290 TraceCheckUtils]: 25: Hoare triple {50544#true} assume !(1 == ~t4_pc~0); {50544#true} is VALID [2022-02-20 19:55:14,048 INFO L290 TraceCheckUtils]: 26: Hoare triple {50544#true} is_transmit4_triggered_~__retres1~8#1 := 0; {50544#true} is VALID [2022-02-20 19:55:14,048 INFO L290 TraceCheckUtils]: 27: Hoare triple {50544#true} is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~8#1; {50544#true} is VALID [2022-02-20 19:55:14,049 INFO L290 TraceCheckUtils]: 28: Hoare triple {50544#true} #t~ret28#1 := is_transmit4_triggered_#res#1;assume { :end_inline_is_transmit4_triggered } true;assume -2147483648 <= #t~ret28#1 && #t~ret28#1 <= 2147483647;~tmp___3~0#1 := #t~ret28#1;havoc #t~ret28#1; {50544#true} is VALID [2022-02-20 19:55:14,049 INFO L290 TraceCheckUtils]: 29: Hoare triple {50544#true} assume 0 != ~tmp___3~0#1;~t4_st~0 := 0; {50544#true} is VALID [2022-02-20 19:55:14,049 INFO L290 TraceCheckUtils]: 30: Hoare triple {50544#true} assume true; {50544#true} is VALID [2022-02-20 19:55:14,049 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {50544#true} {50545#false} #942#return; {50545#false} is VALID [2022-02-20 19:55:14,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-02-20 19:55:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:14,054 INFO L290 TraceCheckUtils]: 0: Hoare triple {50610#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} assume !(1 == ~M_E~0); {50544#true} is VALID [2022-02-20 19:55:14,054 INFO L290 TraceCheckUtils]: 1: Hoare triple {50544#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {50544#true} is VALID [2022-02-20 19:55:14,054 INFO L290 TraceCheckUtils]: 2: Hoare triple {50544#true} assume 1 == ~T2_E~0;~T2_E~0 := 2; {50544#true} is VALID [2022-02-20 19:55:14,054 INFO L290 TraceCheckUtils]: 3: Hoare triple {50544#true} assume 1 == ~T3_E~0;~T3_E~0 := 2; {50544#true} is VALID [2022-02-20 19:55:14,054 INFO L290 TraceCheckUtils]: 4: Hoare triple {50544#true} assume 1 == ~T4_E~0;~T4_E~0 := 2; {50544#true} is VALID [2022-02-20 19:55:14,054 INFO L290 TraceCheckUtils]: 5: Hoare triple {50544#true} assume !(1 == ~E_M~0); {50544#true} is VALID [2022-02-20 19:55:14,054 INFO L290 TraceCheckUtils]: 6: Hoare triple {50544#true} assume 1 == ~E_1~0;~E_1~0 := 2; {50544#true} is VALID [2022-02-20 19:55:14,055 INFO L290 TraceCheckUtils]: 7: Hoare triple {50544#true} assume 1 == ~E_2~0;~E_2~0 := 2; {50544#true} is VALID [2022-02-20 19:55:14,055 INFO L290 TraceCheckUtils]: 8: Hoare triple {50544#true} assume 1 == ~E_3~0;~E_3~0 := 2; {50544#true} is VALID [2022-02-20 19:55:14,055 INFO L290 TraceCheckUtils]: 9: Hoare triple {50544#true} assume 1 == ~E_4~0;~E_4~0 := 2; {50544#true} is VALID [2022-02-20 19:55:14,055 INFO L290 TraceCheckUtils]: 10: Hoare triple {50544#true} assume true; {50544#true} is VALID [2022-02-20 19:55:14,055 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {50544#true} {50545#false} #944#return; {50545#false} is VALID [2022-02-20 19:55:14,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-02-20 19:55:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:14,060 INFO L290 TraceCheckUtils]: 0: Hoare triple {50544#true} havoc ~__retres1~9; {50544#true} is VALID [2022-02-20 19:55:14,060 INFO L290 TraceCheckUtils]: 1: Hoare triple {50544#true} assume 0 == ~m_st~0;~__retres1~9 := 1; {50544#true} is VALID [2022-02-20 19:55:14,060 INFO L290 TraceCheckUtils]: 2: Hoare triple {50544#true} #res := ~__retres1~9; {50544#true} is VALID [2022-02-20 19:55:14,060 INFO L290 TraceCheckUtils]: 3: Hoare triple {50544#true} assume true; {50544#true} is VALID [2022-02-20 19:55:14,060 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {50544#true} {50545#false} #946#return; {50545#false} is VALID [2022-02-20 19:55:14,062 INFO L290 TraceCheckUtils]: 0: Hoare triple {50544#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;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0; {50546#(= ~T1_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:14,062 INFO L290 TraceCheckUtils]: 1: Hoare triple {50546#(= ~T1_E~0 ~M_E~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet32#1, main_#t~ret33#1, main_#t~ret34#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {50546#(= ~T1_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:14,062 INFO L290 TraceCheckUtils]: 2: Hoare triple {50546#(= ~T1_E~0 ~M_E~0)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume { :begin_inline_main2 } true;havoc main2_#res#1;havoc main2_~__retres1~10#1;havoc main2_~__retres1~10#1;assume { :begin_inline_init_model2 } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1; {50546#(= ~T1_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:14,063 INFO L290 TraceCheckUtils]: 3: Hoare triple {50546#(= ~T1_E~0 ~M_E~0)} assume { :end_inline_init_model2 } true;assume { :begin_inline_start_simulation2 } true;havoc start_simulation2_#t~ret30#1, start_simulation2_#t~ret31#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; {50546#(= ~T1_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:14,063 INFO L272 TraceCheckUtils]: 4: Hoare triple {50546#(= ~T1_E~0 ~M_E~0)} call update_channels2(); {50544#true} is VALID [2022-02-20 19:55:14,063 INFO L290 TraceCheckUtils]: 5: Hoare triple {50544#true} assume true; {50544#true} is VALID [2022-02-20 19:55:14,063 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {50544#true} {50546#(= ~T1_E~0 ~M_E~0)} #938#return; {50546#(= ~T1_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:14,064 INFO L290 TraceCheckUtils]: 7: Hoare triple {50546#(= ~T1_E~0 ~M_E~0)} assume { :begin_inline_init_threads2 } true; {50546#(= ~T1_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:14,064 INFO L290 TraceCheckUtils]: 8: Hoare triple {50546#(= ~T1_E~0 ~M_E~0)} assume 1 == ~m_i~0;~m_st~0 := 0; {50546#(= ~T1_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:14,064 INFO L290 TraceCheckUtils]: 9: Hoare triple {50546#(= ~T1_E~0 ~M_E~0)} assume 1 == ~t1_i~0;~t1_st~0 := 0; {50546#(= ~T1_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:14,064 INFO L290 TraceCheckUtils]: 10: Hoare triple {50546#(= ~T1_E~0 ~M_E~0)} assume 1 == ~t2_i~0;~t2_st~0 := 0; {50546#(= ~T1_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:14,065 INFO L290 TraceCheckUtils]: 11: Hoare triple {50546#(= ~T1_E~0 ~M_E~0)} assume 1 == ~t3_i~0;~t3_st~0 := 0; {50546#(= ~T1_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:14,065 INFO L290 TraceCheckUtils]: 12: Hoare triple {50546#(= ~T1_E~0 ~M_E~0)} assume 1 == ~t4_i~0;~t4_st~0 := 0; {50546#(= ~T1_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:14,065 INFO L290 TraceCheckUtils]: 13: Hoare triple {50546#(= ~T1_E~0 ~M_E~0)} assume { :end_inline_init_threads2 } true; {50546#(= ~T1_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:14,066 INFO L272 TraceCheckUtils]: 14: Hoare triple {50546#(= ~T1_E~0 ~M_E~0)} call fire_delta_events2(); {50610#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} is VALID [2022-02-20 19:55:14,067 INFO L290 TraceCheckUtils]: 15: Hoare triple {50610#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} assume !(0 == ~M_E~0); {50611#(and (= |old(~T1_E~0)| ~T1_E~0) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:14,067 INFO L290 TraceCheckUtils]: 16: Hoare triple {50611#(and (= |old(~T1_E~0)| ~T1_E~0) (not (= |old(~M_E~0)| 0)))} assume 0 == ~T1_E~0;~T1_E~0 := 1; {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:14,067 INFO L290 TraceCheckUtils]: 17: Hoare triple {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} assume !(0 == ~T2_E~0); {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:14,068 INFO L290 TraceCheckUtils]: 18: Hoare triple {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} assume 0 == ~T3_E~0;~T3_E~0 := 1; {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:14,068 INFO L290 TraceCheckUtils]: 19: Hoare triple {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} assume 0 == ~T4_E~0;~T4_E~0 := 1; {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:14,068 INFO L290 TraceCheckUtils]: 20: Hoare triple {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} assume 0 == ~E_M~0;~E_M~0 := 1; {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:14,069 INFO L290 TraceCheckUtils]: 21: Hoare triple {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} assume 0 == ~E_1~0;~E_1~0 := 1; {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:14,069 INFO L290 TraceCheckUtils]: 22: Hoare triple {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} assume 0 == ~E_2~0;~E_2~0 := 1; {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:14,070 INFO L290 TraceCheckUtils]: 23: Hoare triple {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} assume 0 == ~E_3~0;~E_3~0 := 1; {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:14,070 INFO L290 TraceCheckUtils]: 24: Hoare triple {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} assume 0 == ~E_4~0;~E_4~0 := 1; {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:14,070 INFO L290 TraceCheckUtils]: 25: Hoare triple {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} assume true; {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:14,071 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {50612#(not (= |old(~T1_E~0)| |old(~M_E~0)|))} {50546#(= ~T1_E~0 ~M_E~0)} #940#return; {50545#false} is VALID [2022-02-20 19:55:14,071 INFO L272 TraceCheckUtils]: 27: Hoare triple {50545#false} call activate_threads2(); {50613#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0) (= |old(~t3_st~0)| ~t3_st~0) (= |old(~t4_st~0)| ~t4_st~0))} is VALID [2022-02-20 19:55:14,071 INFO L290 TraceCheckUtils]: 28: Hoare triple {50613#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0) (= |old(~t3_st~0)| ~t3_st~0) (= |old(~t4_st~0)| ~t4_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;havoc ~tmp___2~0#1;havoc ~tmp___3~0#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; {50544#true} is VALID [2022-02-20 19:55:14,071 INFO L290 TraceCheckUtils]: 29: Hoare triple {50544#true} assume 1 == ~m_pc~0; {50544#true} is VALID [2022-02-20 19:55:14,071 INFO L290 TraceCheckUtils]: 30: Hoare triple {50544#true} assume 1 == ~E_M~0;is_master_triggered_~__retres1~4#1 := 1; {50544#true} is VALID [2022-02-20 19:55:14,071 INFO L290 TraceCheckUtils]: 31: Hoare triple {50544#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {50544#true} is VALID [2022-02-20 19:55:14,072 INFO L290 TraceCheckUtils]: 32: Hoare triple {50544#true} #t~ret24#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp~5#1 := #t~ret24#1;havoc #t~ret24#1; {50544#true} is VALID [2022-02-20 19:55:14,072 INFO L290 TraceCheckUtils]: 33: Hoare triple {50544#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {50544#true} is VALID [2022-02-20 19:55:14,072 INFO L290 TraceCheckUtils]: 34: Hoare triple {50544#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; {50544#true} is VALID [2022-02-20 19:55:14,072 INFO L290 TraceCheckUtils]: 35: Hoare triple {50544#true} assume 1 == ~t1_pc~0; {50544#true} is VALID [2022-02-20 19:55:14,072 INFO L290 TraceCheckUtils]: 36: Hoare triple {50544#true} assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~5#1 := 1; {50544#true} is VALID [2022-02-20 19:55:14,072 INFO L290 TraceCheckUtils]: 37: Hoare triple {50544#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {50544#true} is VALID [2022-02-20 19:55:14,072 INFO L290 TraceCheckUtils]: 38: Hoare triple {50544#true} #t~ret25#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___0~2#1 := #t~ret25#1;havoc #t~ret25#1; {50544#true} is VALID [2022-02-20 19:55:14,073 INFO L290 TraceCheckUtils]: 39: Hoare triple {50544#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {50544#true} is VALID [2022-02-20 19:55:14,073 INFO L290 TraceCheckUtils]: 40: Hoare triple {50544#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; {50544#true} is VALID [2022-02-20 19:55:14,073 INFO L290 TraceCheckUtils]: 41: Hoare triple {50544#true} assume !(1 == ~t2_pc~0); {50544#true} is VALID [2022-02-20 19:55:14,073 INFO L290 TraceCheckUtils]: 42: Hoare triple {50544#true} is_transmit2_triggered_~__retres1~6#1 := 0; {50544#true} is VALID [2022-02-20 19:55:14,073 INFO L290 TraceCheckUtils]: 43: Hoare triple {50544#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {50544#true} is VALID [2022-02-20 19:55:14,073 INFO L290 TraceCheckUtils]: 44: Hoare triple {50544#true} #t~ret26#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret26#1 && #t~ret26#1 <= 2147483647;~tmp___1~1#1 := #t~ret26#1;havoc #t~ret26#1; {50544#true} is VALID [2022-02-20 19:55:14,073 INFO L290 TraceCheckUtils]: 45: Hoare triple {50544#true} assume !(0 != ~tmp___1~1#1); {50544#true} is VALID [2022-02-20 19:55:14,074 INFO L290 TraceCheckUtils]: 46: Hoare triple {50544#true} assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~7#1;havoc is_transmit3_triggered_~__retres1~7#1; {50544#true} is VALID [2022-02-20 19:55:14,074 INFO L290 TraceCheckUtils]: 47: Hoare triple {50544#true} assume 1 == ~t3_pc~0; {50544#true} is VALID [2022-02-20 19:55:14,074 INFO L290 TraceCheckUtils]: 48: Hoare triple {50544#true} assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~7#1 := 1; {50544#true} is VALID [2022-02-20 19:55:14,074 INFO L290 TraceCheckUtils]: 49: Hoare triple {50544#true} is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~7#1; {50544#true} is VALID [2022-02-20 19:55:14,074 INFO L290 TraceCheckUtils]: 50: Hoare triple {50544#true} #t~ret27#1 := is_transmit3_triggered_#res#1;assume { :end_inline_is_transmit3_triggered } true;assume -2147483648 <= #t~ret27#1 && #t~ret27#1 <= 2147483647;~tmp___2~0#1 := #t~ret27#1;havoc #t~ret27#1; {50544#true} is VALID [2022-02-20 19:55:14,074 INFO L290 TraceCheckUtils]: 51: Hoare triple {50544#true} assume 0 != ~tmp___2~0#1;~t3_st~0 := 0; {50544#true} is VALID [2022-02-20 19:55:14,074 INFO L290 TraceCheckUtils]: 52: Hoare triple {50544#true} assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~8#1;havoc is_transmit4_triggered_~__retres1~8#1; {50544#true} is VALID [2022-02-20 19:55:14,074 INFO L290 TraceCheckUtils]: 53: Hoare triple {50544#true} assume !(1 == ~t4_pc~0); {50544#true} is VALID [2022-02-20 19:55:14,075 INFO L290 TraceCheckUtils]: 54: Hoare triple {50544#true} is_transmit4_triggered_~__retres1~8#1 := 0; {50544#true} is VALID [2022-02-20 19:55:14,075 INFO L290 TraceCheckUtils]: 55: Hoare triple {50544#true} is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~8#1; {50544#true} is VALID [2022-02-20 19:55:14,075 INFO L290 TraceCheckUtils]: 56: Hoare triple {50544#true} #t~ret28#1 := is_transmit4_triggered_#res#1;assume { :end_inline_is_transmit4_triggered } true;assume -2147483648 <= #t~ret28#1 && #t~ret28#1 <= 2147483647;~tmp___3~0#1 := #t~ret28#1;havoc #t~ret28#1; {50544#true} is VALID [2022-02-20 19:55:14,075 INFO L290 TraceCheckUtils]: 57: Hoare triple {50544#true} assume 0 != ~tmp___3~0#1;~t4_st~0 := 0; {50544#true} is VALID [2022-02-20 19:55:14,075 INFO L290 TraceCheckUtils]: 58: Hoare triple {50544#true} assume true; {50544#true} is VALID [2022-02-20 19:55:14,075 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {50544#true} {50545#false} #942#return; {50545#false} is VALID [2022-02-20 19:55:14,075 INFO L272 TraceCheckUtils]: 60: Hoare triple {50545#false} call reset_delta_events2(); {50610#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} is VALID [2022-02-20 19:55:14,076 INFO L290 TraceCheckUtils]: 61: Hoare triple {50610#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} assume !(1 == ~M_E~0); {50544#true} is VALID [2022-02-20 19:55:14,076 INFO L290 TraceCheckUtils]: 62: Hoare triple {50544#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {50544#true} is VALID [2022-02-20 19:55:14,076 INFO L290 TraceCheckUtils]: 63: Hoare triple {50544#true} assume 1 == ~T2_E~0;~T2_E~0 := 2; {50544#true} is VALID [2022-02-20 19:55:14,076 INFO L290 TraceCheckUtils]: 64: Hoare triple {50544#true} assume 1 == ~T3_E~0;~T3_E~0 := 2; {50544#true} is VALID [2022-02-20 19:55:14,076 INFO L290 TraceCheckUtils]: 65: Hoare triple {50544#true} assume 1 == ~T4_E~0;~T4_E~0 := 2; {50544#true} is VALID [2022-02-20 19:55:14,076 INFO L290 TraceCheckUtils]: 66: Hoare triple {50544#true} assume !(1 == ~E_M~0); {50544#true} is VALID [2022-02-20 19:55:14,076 INFO L290 TraceCheckUtils]: 67: Hoare triple {50544#true} assume 1 == ~E_1~0;~E_1~0 := 2; {50544#true} is VALID [2022-02-20 19:55:14,077 INFO L290 TraceCheckUtils]: 68: Hoare triple {50544#true} assume 1 == ~E_2~0;~E_2~0 := 2; {50544#true} is VALID [2022-02-20 19:55:14,077 INFO L290 TraceCheckUtils]: 69: Hoare triple {50544#true} assume 1 == ~E_3~0;~E_3~0 := 2; {50544#true} is VALID [2022-02-20 19:55:14,077 INFO L290 TraceCheckUtils]: 70: Hoare triple {50544#true} assume 1 == ~E_4~0;~E_4~0 := 2; {50544#true} is VALID [2022-02-20 19:55:14,077 INFO L290 TraceCheckUtils]: 71: Hoare triple {50544#true} assume true; {50544#true} is VALID [2022-02-20 19:55:14,077 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {50544#true} {50545#false} #944#return; {50545#false} is VALID [2022-02-20 19:55:14,077 INFO L290 TraceCheckUtils]: 73: Hoare triple {50545#false} assume !false; {50545#false} is VALID [2022-02-20 19:55:14,077 INFO L290 TraceCheckUtils]: 74: Hoare triple {50545#false} start_simulation2_~kernel_st~1#1 := 1;assume { :begin_inline_eval2 } true;havoc eval2_#t~ret18#1, eval2_#t~nondet19#1, eval2_~tmp_ndt_1~0#1, eval2_#t~nondet20#1, eval2_~tmp_ndt_2~0#1, eval2_#t~nondet21#1, eval2_~tmp_ndt_3~0#1, eval2_#t~nondet22#1, eval2_~tmp_ndt_4~0#1, eval2_#t~nondet23#1, eval2_~tmp_ndt_5~0#1, eval2_~tmp~4#1;havoc eval2_~tmp~4#1; {50545#false} is VALID [2022-02-20 19:55:14,078 INFO L290 TraceCheckUtils]: 75: Hoare triple {50545#false} assume !false; {50545#false} is VALID [2022-02-20 19:55:14,078 INFO L272 TraceCheckUtils]: 76: Hoare triple {50545#false} call eval2_#t~ret18#1 := exists_runnable_thread2(); {50544#true} is VALID [2022-02-20 19:55:14,078 INFO L290 TraceCheckUtils]: 77: Hoare triple {50544#true} havoc ~__retres1~9; {50544#true} is VALID [2022-02-20 19:55:14,078 INFO L290 TraceCheckUtils]: 78: Hoare triple {50544#true} assume 0 == ~m_st~0;~__retres1~9 := 1; {50544#true} is VALID [2022-02-20 19:55:14,078 INFO L290 TraceCheckUtils]: 79: Hoare triple {50544#true} #res := ~__retres1~9; {50544#true} is VALID [2022-02-20 19:55:14,078 INFO L290 TraceCheckUtils]: 80: Hoare triple {50544#true} assume true; {50544#true} is VALID [2022-02-20 19:55:14,078 INFO L284 TraceCheckUtils]: 81: Hoare quadruple {50544#true} {50545#false} #946#return; {50545#false} is VALID [2022-02-20 19:55:14,079 INFO L290 TraceCheckUtils]: 82: Hoare triple {50545#false} assume -2147483648 <= eval2_#t~ret18#1 && eval2_#t~ret18#1 <= 2147483647;eval2_~tmp~4#1 := eval2_#t~ret18#1;havoc eval2_#t~ret18#1; {50545#false} is VALID [2022-02-20 19:55:14,079 INFO L290 TraceCheckUtils]: 83: Hoare triple {50545#false} assume 0 != eval2_~tmp~4#1; {50545#false} is VALID [2022-02-20 19:55:14,079 INFO L290 TraceCheckUtils]: 84: Hoare triple {50545#false} assume 0 == ~m_st~0;havoc eval2_~tmp_ndt_1~0#1;assume -2147483648 <= eval2_#t~nondet19#1 && eval2_#t~nondet19#1 <= 2147483647;eval2_~tmp_ndt_1~0#1 := eval2_#t~nondet19#1;havoc eval2_#t~nondet19#1; {50545#false} is VALID [2022-02-20 19:55:14,079 INFO L290 TraceCheckUtils]: 85: Hoare triple {50545#false} assume 0 != eval2_~tmp_ndt_1~0#1;~m_st~0 := 1;assume { :begin_inline_master } true;havoc master_#t~nondet17#1; {50545#false} is VALID [2022-02-20 19:55:14,079 INFO L290 TraceCheckUtils]: 86: Hoare triple {50545#false} assume !(0 == ~m_pc~0); {50545#false} is VALID [2022-02-20 19:55:14,079 INFO L290 TraceCheckUtils]: 87: Hoare triple {50545#false} assume 1 == ~m_pc~0; {50545#false} is VALID [2022-02-20 19:55:14,079 INFO L290 TraceCheckUtils]: 88: Hoare triple {50545#false} assume ~token~0 != 4 + ~local~0;assume { :begin_inline_error2 } true; {50545#false} is VALID [2022-02-20 19:55:14,079 INFO L290 TraceCheckUtils]: 89: Hoare triple {50545#false} assume !false; {50545#false} is VALID [2022-02-20 19:55:14,080 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 19:55:14,080 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:55:14,080 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575048265] [2022-02-20 19:55:14,080 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575048265] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:55:14,080 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 19:55:14,081 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 19:55:14,081 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650956666] [2022-02-20 19:55:14,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:55:14,081 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 90 [2022-02-20 19:55:14,082 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:55:14,082 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:14,139 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 90 edges. 90 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:14,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 19:55:14,140 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:55:14,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 19:55:14,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-20 19:55:14,140 INFO L87 Difference]: Start difference. First operand 1293 states and 1731 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:17,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:17,859 INFO L93 Difference]: Finished difference Result 1958 states and 2763 transitions. [2022-02-20 19:55:17,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-20 19:55:17,859 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 90 [2022-02-20 19:55:17,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:55:17,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:17,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1052 transitions. [2022-02-20 19:55:17,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:17,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1052 transitions. [2022-02-20 19:55:17,871 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 1052 transitions. [2022-02-20 19:55:18,648 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 1052 edges. 1052 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:18,776 INFO L225 Difference]: With dead ends: 1958 [2022-02-20 19:55:18,777 INFO L226 Difference]: Without dead ends: 1625 [2022-02-20 19:55:18,778 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-02-20 19:55:18,778 INFO L933 BasicCegarLoop]: 518 mSDtfsCounter, 779 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 1399 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 794 SdHoareTripleChecker+Valid, 1578 SdHoareTripleChecker+Invalid, 1473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-02-20 19:55:18,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [794 Valid, 1578 Invalid, 1473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1399 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-02-20 19:55:18,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1625 states. [2022-02-20 19:55:18,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1625 to 1450. [2022-02-20 19:55:18,970 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:55:18,973 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1625 states. Second operand has 1450 states, 1282 states have (on average 1.34399375975039) internal successors, (1723), 1301 states have internal predecessors, (1723), 101 states have call successors, (101), 55 states have call predecessors, (101), 65 states have return successors, (141), 95 states have call predecessors, (141), 100 states have call successors, (141) [2022-02-20 19:55:18,974 INFO L74 IsIncluded]: Start isIncluded. First operand 1625 states. Second operand has 1450 states, 1282 states have (on average 1.34399375975039) internal successors, (1723), 1301 states have internal predecessors, (1723), 101 states have call successors, (101), 55 states have call predecessors, (101), 65 states have return successors, (141), 95 states have call predecessors, (141), 100 states have call successors, (141) [2022-02-20 19:55:18,976 INFO L87 Difference]: Start difference. First operand 1625 states. Second operand has 1450 states, 1282 states have (on average 1.34399375975039) internal successors, (1723), 1301 states have internal predecessors, (1723), 101 states have call successors, (101), 55 states have call predecessors, (101), 65 states have return successors, (141), 95 states have call predecessors, (141), 100 states have call successors, (141) [2022-02-20 19:55:19,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:19,093 INFO L93 Difference]: Finished difference Result 1625 states and 2255 transitions. [2022-02-20 19:55:19,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1625 states and 2255 transitions. [2022-02-20 19:55:19,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:19,096 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:19,098 INFO L74 IsIncluded]: Start isIncluded. First operand has 1450 states, 1282 states have (on average 1.34399375975039) internal successors, (1723), 1301 states have internal predecessors, (1723), 101 states have call successors, (101), 55 states have call predecessors, (101), 65 states have return successors, (141), 95 states have call predecessors, (141), 100 states have call successors, (141) Second operand 1625 states. [2022-02-20 19:55:19,099 INFO L87 Difference]: Start difference. First operand has 1450 states, 1282 states have (on average 1.34399375975039) internal successors, (1723), 1301 states have internal predecessors, (1723), 101 states have call successors, (101), 55 states have call predecessors, (101), 65 states have return successors, (141), 95 states have call predecessors, (141), 100 states have call successors, (141) Second operand 1625 states. [2022-02-20 19:55:19,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:19,213 INFO L93 Difference]: Finished difference Result 1625 states and 2255 transitions. [2022-02-20 19:55:19,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1625 states and 2255 transitions. [2022-02-20 19:55:19,216 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:19,216 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:19,216 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:55:19,216 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:55:19,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1450 states, 1282 states have (on average 1.34399375975039) internal successors, (1723), 1301 states have internal predecessors, (1723), 101 states have call successors, (101), 55 states have call predecessors, (101), 65 states have return successors, (141), 95 states have call predecessors, (141), 100 states have call successors, (141) [2022-02-20 19:55:19,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1450 states and 1965 transitions. [2022-02-20 19:55:19,361 INFO L78 Accepts]: Start accepts. Automaton has 1450 states and 1965 transitions. Word has length 90 [2022-02-20 19:55:19,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:55:19,361 INFO L470 AbstractCegarLoop]: Abstraction has 1450 states and 1965 transitions. [2022-02-20 19:55:19,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:19,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 1965 transitions. [2022-02-20 19:55:19,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-02-20 19:55:19,363 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:55:19,364 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 19:55:19,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-20 19:55:19,364 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:55:19,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:55:19,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1548739579, now seen corresponding path program 1 times [2022-02-20 19:55:19,365 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:55:19,365 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753323848] [2022-02-20 19:55:19,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:55:19,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:55:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:19,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-02-20 19:55:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:19,395 INFO L290 TraceCheckUtils]: 0: Hoare triple {58485#true} assume true; {58485#true} is VALID [2022-02-20 19:55:19,395 INFO L284 TraceCheckUtils]: 1: Hoare quadruple {58485#true} {58487#(= ~T3_E~0 ~M_E~0)} #938#return; {58487#(= ~T3_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:19,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-02-20 19:55:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:19,426 INFO L290 TraceCheckUtils]: 0: Hoare triple {58551#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} assume !(0 == ~M_E~0); {58552#(and (not (= |old(~M_E~0)| 0)) (= |old(~T3_E~0)| ~T3_E~0))} is VALID [2022-02-20 19:55:19,427 INFO L290 TraceCheckUtils]: 1: Hoare triple {58552#(and (not (= |old(~M_E~0)| 0)) (= |old(~T3_E~0)| ~T3_E~0))} assume !(0 == ~T1_E~0); {58552#(and (not (= |old(~M_E~0)| 0)) (= |old(~T3_E~0)| ~T3_E~0))} is VALID [2022-02-20 19:55:19,427 INFO L290 TraceCheckUtils]: 2: Hoare triple {58552#(and (not (= |old(~M_E~0)| 0)) (= |old(~T3_E~0)| ~T3_E~0))} assume !(0 == ~T2_E~0); {58552#(and (not (= |old(~M_E~0)| 0)) (= |old(~T3_E~0)| ~T3_E~0))} is VALID [2022-02-20 19:55:19,428 INFO L290 TraceCheckUtils]: 3: Hoare triple {58552#(and (not (= |old(~M_E~0)| 0)) (= |old(~T3_E~0)| ~T3_E~0))} assume 0 == ~T3_E~0;~T3_E~0 := 1; {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:19,428 INFO L290 TraceCheckUtils]: 4: Hoare triple {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} assume 0 == ~T4_E~0;~T4_E~0 := 1; {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:19,428 INFO L290 TraceCheckUtils]: 5: Hoare triple {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} assume 0 == ~E_M~0;~E_M~0 := 1; {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:19,429 INFO L290 TraceCheckUtils]: 6: Hoare triple {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} assume 0 == ~E_1~0;~E_1~0 := 1; {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:19,429 INFO L290 TraceCheckUtils]: 7: Hoare triple {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} assume 0 == ~E_2~0;~E_2~0 := 1; {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:19,430 INFO L290 TraceCheckUtils]: 8: Hoare triple {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} assume 0 == ~E_3~0;~E_3~0 := 1; {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:19,430 INFO L290 TraceCheckUtils]: 9: Hoare triple {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} assume 0 == ~E_4~0;~E_4~0 := 1; {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:19,430 INFO L290 TraceCheckUtils]: 10: Hoare triple {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} assume true; {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:19,431 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} {58487#(= ~T3_E~0 ~M_E~0)} #940#return; {58486#false} is VALID [2022-02-20 19:55:19,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-02-20 19:55:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:19,450 INFO L290 TraceCheckUtils]: 0: Hoare triple {58554#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0) (= |old(~t3_st~0)| ~t3_st~0) (= |old(~t4_st~0)| ~t4_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;havoc ~tmp___2~0#1;havoc ~tmp___3~0#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; {58485#true} is VALID [2022-02-20 19:55:19,450 INFO L290 TraceCheckUtils]: 1: Hoare triple {58485#true} assume 1 == ~m_pc~0; {58485#true} is VALID [2022-02-20 19:55:19,450 INFO L290 TraceCheckUtils]: 2: Hoare triple {58485#true} assume 1 == ~E_M~0;is_master_triggered_~__retres1~4#1 := 1; {58485#true} is VALID [2022-02-20 19:55:19,451 INFO L290 TraceCheckUtils]: 3: Hoare triple {58485#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {58485#true} is VALID [2022-02-20 19:55:19,451 INFO L290 TraceCheckUtils]: 4: Hoare triple {58485#true} #t~ret24#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp~5#1 := #t~ret24#1;havoc #t~ret24#1; {58485#true} is VALID [2022-02-20 19:55:19,451 INFO L290 TraceCheckUtils]: 5: Hoare triple {58485#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {58485#true} is VALID [2022-02-20 19:55:19,451 INFO L290 TraceCheckUtils]: 6: Hoare triple {58485#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; {58485#true} is VALID [2022-02-20 19:55:19,451 INFO L290 TraceCheckUtils]: 7: Hoare triple {58485#true} assume 1 == ~t1_pc~0; {58485#true} is VALID [2022-02-20 19:55:19,451 INFO L290 TraceCheckUtils]: 8: Hoare triple {58485#true} assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~5#1 := 1; {58485#true} is VALID [2022-02-20 19:55:19,451 INFO L290 TraceCheckUtils]: 9: Hoare triple {58485#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {58485#true} is VALID [2022-02-20 19:55:19,452 INFO L290 TraceCheckUtils]: 10: Hoare triple {58485#true} #t~ret25#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___0~2#1 := #t~ret25#1;havoc #t~ret25#1; {58485#true} is VALID [2022-02-20 19:55:19,452 INFO L290 TraceCheckUtils]: 11: Hoare triple {58485#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {58485#true} is VALID [2022-02-20 19:55:19,452 INFO L290 TraceCheckUtils]: 12: Hoare triple {58485#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; {58485#true} is VALID [2022-02-20 19:55:19,452 INFO L290 TraceCheckUtils]: 13: Hoare triple {58485#true} assume !(1 == ~t2_pc~0); {58485#true} is VALID [2022-02-20 19:55:19,452 INFO L290 TraceCheckUtils]: 14: Hoare triple {58485#true} is_transmit2_triggered_~__retres1~6#1 := 0; {58485#true} is VALID [2022-02-20 19:55:19,452 INFO L290 TraceCheckUtils]: 15: Hoare triple {58485#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {58485#true} is VALID [2022-02-20 19:55:19,453 INFO L290 TraceCheckUtils]: 16: Hoare triple {58485#true} #t~ret26#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret26#1 && #t~ret26#1 <= 2147483647;~tmp___1~1#1 := #t~ret26#1;havoc #t~ret26#1; {58485#true} is VALID [2022-02-20 19:55:19,453 INFO L290 TraceCheckUtils]: 17: Hoare triple {58485#true} assume !(0 != ~tmp___1~1#1); {58485#true} is VALID [2022-02-20 19:55:19,453 INFO L290 TraceCheckUtils]: 18: Hoare triple {58485#true} assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~7#1;havoc is_transmit3_triggered_~__retres1~7#1; {58485#true} is VALID [2022-02-20 19:55:19,453 INFO L290 TraceCheckUtils]: 19: Hoare triple {58485#true} assume 1 == ~t3_pc~0; {58485#true} is VALID [2022-02-20 19:55:19,453 INFO L290 TraceCheckUtils]: 20: Hoare triple {58485#true} assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~7#1 := 1; {58485#true} is VALID [2022-02-20 19:55:19,453 INFO L290 TraceCheckUtils]: 21: Hoare triple {58485#true} is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~7#1; {58485#true} is VALID [2022-02-20 19:55:19,453 INFO L290 TraceCheckUtils]: 22: Hoare triple {58485#true} #t~ret27#1 := is_transmit3_triggered_#res#1;assume { :end_inline_is_transmit3_triggered } true;assume -2147483648 <= #t~ret27#1 && #t~ret27#1 <= 2147483647;~tmp___2~0#1 := #t~ret27#1;havoc #t~ret27#1; {58485#true} is VALID [2022-02-20 19:55:19,454 INFO L290 TraceCheckUtils]: 23: Hoare triple {58485#true} assume 0 != ~tmp___2~0#1;~t3_st~0 := 0; {58485#true} is VALID [2022-02-20 19:55:19,454 INFO L290 TraceCheckUtils]: 24: Hoare triple {58485#true} assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~8#1;havoc is_transmit4_triggered_~__retres1~8#1; {58485#true} is VALID [2022-02-20 19:55:19,454 INFO L290 TraceCheckUtils]: 25: Hoare triple {58485#true} assume !(1 == ~t4_pc~0); {58485#true} is VALID [2022-02-20 19:55:19,454 INFO L290 TraceCheckUtils]: 26: Hoare triple {58485#true} is_transmit4_triggered_~__retres1~8#1 := 0; {58485#true} is VALID [2022-02-20 19:55:19,454 INFO L290 TraceCheckUtils]: 27: Hoare triple {58485#true} is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~8#1; {58485#true} is VALID [2022-02-20 19:55:19,454 INFO L290 TraceCheckUtils]: 28: Hoare triple {58485#true} #t~ret28#1 := is_transmit4_triggered_#res#1;assume { :end_inline_is_transmit4_triggered } true;assume -2147483648 <= #t~ret28#1 && #t~ret28#1 <= 2147483647;~tmp___3~0#1 := #t~ret28#1;havoc #t~ret28#1; {58485#true} is VALID [2022-02-20 19:55:19,455 INFO L290 TraceCheckUtils]: 29: Hoare triple {58485#true} assume 0 != ~tmp___3~0#1;~t4_st~0 := 0; {58485#true} is VALID [2022-02-20 19:55:19,455 INFO L290 TraceCheckUtils]: 30: Hoare triple {58485#true} assume true; {58485#true} is VALID [2022-02-20 19:55:19,455 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {58485#true} {58486#false} #942#return; {58486#false} is VALID [2022-02-20 19:55:19,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-02-20 19:55:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:19,459 INFO L290 TraceCheckUtils]: 0: Hoare triple {58551#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} assume !(1 == ~M_E~0); {58485#true} is VALID [2022-02-20 19:55:19,459 INFO L290 TraceCheckUtils]: 1: Hoare triple {58485#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {58485#true} is VALID [2022-02-20 19:55:19,460 INFO L290 TraceCheckUtils]: 2: Hoare triple {58485#true} assume 1 == ~T2_E~0;~T2_E~0 := 2; {58485#true} is VALID [2022-02-20 19:55:19,460 INFO L290 TraceCheckUtils]: 3: Hoare triple {58485#true} assume 1 == ~T3_E~0;~T3_E~0 := 2; {58485#true} is VALID [2022-02-20 19:55:19,460 INFO L290 TraceCheckUtils]: 4: Hoare triple {58485#true} assume 1 == ~T4_E~0;~T4_E~0 := 2; {58485#true} is VALID [2022-02-20 19:55:19,460 INFO L290 TraceCheckUtils]: 5: Hoare triple {58485#true} assume !(1 == ~E_M~0); {58485#true} is VALID [2022-02-20 19:55:19,460 INFO L290 TraceCheckUtils]: 6: Hoare triple {58485#true} assume 1 == ~E_1~0;~E_1~0 := 2; {58485#true} is VALID [2022-02-20 19:55:19,460 INFO L290 TraceCheckUtils]: 7: Hoare triple {58485#true} assume 1 == ~E_2~0;~E_2~0 := 2; {58485#true} is VALID [2022-02-20 19:55:19,461 INFO L290 TraceCheckUtils]: 8: Hoare triple {58485#true} assume 1 == ~E_3~0;~E_3~0 := 2; {58485#true} is VALID [2022-02-20 19:55:19,461 INFO L290 TraceCheckUtils]: 9: Hoare triple {58485#true} assume 1 == ~E_4~0;~E_4~0 := 2; {58485#true} is VALID [2022-02-20 19:55:19,461 INFO L290 TraceCheckUtils]: 10: Hoare triple {58485#true} assume true; {58485#true} is VALID [2022-02-20 19:55:19,461 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {58485#true} {58486#false} #944#return; {58486#false} is VALID [2022-02-20 19:55:19,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-02-20 19:55:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:19,464 INFO L290 TraceCheckUtils]: 0: Hoare triple {58485#true} havoc ~__retres1~9; {58485#true} is VALID [2022-02-20 19:55:19,464 INFO L290 TraceCheckUtils]: 1: Hoare triple {58485#true} assume 0 == ~m_st~0;~__retres1~9 := 1; {58485#true} is VALID [2022-02-20 19:55:19,464 INFO L290 TraceCheckUtils]: 2: Hoare triple {58485#true} #res := ~__retres1~9; {58485#true} is VALID [2022-02-20 19:55:19,465 INFO L290 TraceCheckUtils]: 3: Hoare triple {58485#true} assume true; {58485#true} is VALID [2022-02-20 19:55:19,465 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {58485#true} {58486#false} #946#return; {58486#false} is VALID [2022-02-20 19:55:19,466 INFO L290 TraceCheckUtils]: 0: Hoare triple {58485#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;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0; {58487#(= ~T3_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:19,466 INFO L290 TraceCheckUtils]: 1: Hoare triple {58487#(= ~T3_E~0 ~M_E~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet32#1, main_#t~ret33#1, main_#t~ret34#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {58487#(= ~T3_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:19,467 INFO L290 TraceCheckUtils]: 2: Hoare triple {58487#(= ~T3_E~0 ~M_E~0)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume { :begin_inline_main2 } true;havoc main2_#res#1;havoc main2_~__retres1~10#1;havoc main2_~__retres1~10#1;assume { :begin_inline_init_model2 } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1; {58487#(= ~T3_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:19,467 INFO L290 TraceCheckUtils]: 3: Hoare triple {58487#(= ~T3_E~0 ~M_E~0)} assume { :end_inline_init_model2 } true;assume { :begin_inline_start_simulation2 } true;havoc start_simulation2_#t~ret30#1, start_simulation2_#t~ret31#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; {58487#(= ~T3_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:19,467 INFO L272 TraceCheckUtils]: 4: Hoare triple {58487#(= ~T3_E~0 ~M_E~0)} call update_channels2(); {58485#true} is VALID [2022-02-20 19:55:19,467 INFO L290 TraceCheckUtils]: 5: Hoare triple {58485#true} assume true; {58485#true} is VALID [2022-02-20 19:55:19,468 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {58485#true} {58487#(= ~T3_E~0 ~M_E~0)} #938#return; {58487#(= ~T3_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:19,468 INFO L290 TraceCheckUtils]: 7: Hoare triple {58487#(= ~T3_E~0 ~M_E~0)} assume { :begin_inline_init_threads2 } true; {58487#(= ~T3_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:19,468 INFO L290 TraceCheckUtils]: 8: Hoare triple {58487#(= ~T3_E~0 ~M_E~0)} assume 1 == ~m_i~0;~m_st~0 := 0; {58487#(= ~T3_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:19,469 INFO L290 TraceCheckUtils]: 9: Hoare triple {58487#(= ~T3_E~0 ~M_E~0)} assume 1 == ~t1_i~0;~t1_st~0 := 0; {58487#(= ~T3_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:19,469 INFO L290 TraceCheckUtils]: 10: Hoare triple {58487#(= ~T3_E~0 ~M_E~0)} assume 1 == ~t2_i~0;~t2_st~0 := 0; {58487#(= ~T3_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:19,469 INFO L290 TraceCheckUtils]: 11: Hoare triple {58487#(= ~T3_E~0 ~M_E~0)} assume 1 == ~t3_i~0;~t3_st~0 := 0; {58487#(= ~T3_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:19,470 INFO L290 TraceCheckUtils]: 12: Hoare triple {58487#(= ~T3_E~0 ~M_E~0)} assume 1 == ~t4_i~0;~t4_st~0 := 0; {58487#(= ~T3_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:19,470 INFO L290 TraceCheckUtils]: 13: Hoare triple {58487#(= ~T3_E~0 ~M_E~0)} assume { :end_inline_init_threads2 } true; {58487#(= ~T3_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:19,471 INFO L272 TraceCheckUtils]: 14: Hoare triple {58487#(= ~T3_E~0 ~M_E~0)} call fire_delta_events2(); {58551#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} is VALID [2022-02-20 19:55:19,471 INFO L290 TraceCheckUtils]: 15: Hoare triple {58551#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} assume !(0 == ~M_E~0); {58552#(and (not (= |old(~M_E~0)| 0)) (= |old(~T3_E~0)| ~T3_E~0))} is VALID [2022-02-20 19:55:19,472 INFO L290 TraceCheckUtils]: 16: Hoare triple {58552#(and (not (= |old(~M_E~0)| 0)) (= |old(~T3_E~0)| ~T3_E~0))} assume !(0 == ~T1_E~0); {58552#(and (not (= |old(~M_E~0)| 0)) (= |old(~T3_E~0)| ~T3_E~0))} is VALID [2022-02-20 19:55:19,472 INFO L290 TraceCheckUtils]: 17: Hoare triple {58552#(and (not (= |old(~M_E~0)| 0)) (= |old(~T3_E~0)| ~T3_E~0))} assume !(0 == ~T2_E~0); {58552#(and (not (= |old(~M_E~0)| 0)) (= |old(~T3_E~0)| ~T3_E~0))} is VALID [2022-02-20 19:55:19,472 INFO L290 TraceCheckUtils]: 18: Hoare triple {58552#(and (not (= |old(~M_E~0)| 0)) (= |old(~T3_E~0)| ~T3_E~0))} assume 0 == ~T3_E~0;~T3_E~0 := 1; {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:19,473 INFO L290 TraceCheckUtils]: 19: Hoare triple {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} assume 0 == ~T4_E~0;~T4_E~0 := 1; {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:19,473 INFO L290 TraceCheckUtils]: 20: Hoare triple {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} assume 0 == ~E_M~0;~E_M~0 := 1; {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:19,473 INFO L290 TraceCheckUtils]: 21: Hoare triple {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} assume 0 == ~E_1~0;~E_1~0 := 1; {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:19,474 INFO L290 TraceCheckUtils]: 22: Hoare triple {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} assume 0 == ~E_2~0;~E_2~0 := 1; {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:19,474 INFO L290 TraceCheckUtils]: 23: Hoare triple {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} assume 0 == ~E_3~0;~E_3~0 := 1; {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:19,475 INFO L290 TraceCheckUtils]: 24: Hoare triple {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} assume 0 == ~E_4~0;~E_4~0 := 1; {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:19,475 INFO L290 TraceCheckUtils]: 25: Hoare triple {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} assume true; {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:19,475 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {58553#(not (= |old(~T3_E~0)| |old(~M_E~0)|))} {58487#(= ~T3_E~0 ~M_E~0)} #940#return; {58486#false} is VALID [2022-02-20 19:55:19,475 INFO L272 TraceCheckUtils]: 27: Hoare triple {58486#false} call activate_threads2(); {58554#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0) (= |old(~t3_st~0)| ~t3_st~0) (= |old(~t4_st~0)| ~t4_st~0))} is VALID [2022-02-20 19:55:19,476 INFO L290 TraceCheckUtils]: 28: Hoare triple {58554#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0) (= |old(~t3_st~0)| ~t3_st~0) (= |old(~t4_st~0)| ~t4_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;havoc ~tmp___2~0#1;havoc ~tmp___3~0#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; {58485#true} is VALID [2022-02-20 19:55:19,476 INFO L290 TraceCheckUtils]: 29: Hoare triple {58485#true} assume 1 == ~m_pc~0; {58485#true} is VALID [2022-02-20 19:55:19,476 INFO L290 TraceCheckUtils]: 30: Hoare triple {58485#true} assume 1 == ~E_M~0;is_master_triggered_~__retres1~4#1 := 1; {58485#true} is VALID [2022-02-20 19:55:19,476 INFO L290 TraceCheckUtils]: 31: Hoare triple {58485#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {58485#true} is VALID [2022-02-20 19:55:19,476 INFO L290 TraceCheckUtils]: 32: Hoare triple {58485#true} #t~ret24#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp~5#1 := #t~ret24#1;havoc #t~ret24#1; {58485#true} is VALID [2022-02-20 19:55:19,476 INFO L290 TraceCheckUtils]: 33: Hoare triple {58485#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {58485#true} is VALID [2022-02-20 19:55:19,477 INFO L290 TraceCheckUtils]: 34: Hoare triple {58485#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; {58485#true} is VALID [2022-02-20 19:55:19,477 INFO L290 TraceCheckUtils]: 35: Hoare triple {58485#true} assume 1 == ~t1_pc~0; {58485#true} is VALID [2022-02-20 19:55:19,477 INFO L290 TraceCheckUtils]: 36: Hoare triple {58485#true} assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~5#1 := 1; {58485#true} is VALID [2022-02-20 19:55:19,477 INFO L290 TraceCheckUtils]: 37: Hoare triple {58485#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {58485#true} is VALID [2022-02-20 19:55:19,477 INFO L290 TraceCheckUtils]: 38: Hoare triple {58485#true} #t~ret25#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___0~2#1 := #t~ret25#1;havoc #t~ret25#1; {58485#true} is VALID [2022-02-20 19:55:19,477 INFO L290 TraceCheckUtils]: 39: Hoare triple {58485#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {58485#true} is VALID [2022-02-20 19:55:19,477 INFO L290 TraceCheckUtils]: 40: Hoare triple {58485#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; {58485#true} is VALID [2022-02-20 19:55:19,478 INFO L290 TraceCheckUtils]: 41: Hoare triple {58485#true} assume !(1 == ~t2_pc~0); {58485#true} is VALID [2022-02-20 19:55:19,478 INFO L290 TraceCheckUtils]: 42: Hoare triple {58485#true} is_transmit2_triggered_~__retres1~6#1 := 0; {58485#true} is VALID [2022-02-20 19:55:19,478 INFO L290 TraceCheckUtils]: 43: Hoare triple {58485#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {58485#true} is VALID [2022-02-20 19:55:19,478 INFO L290 TraceCheckUtils]: 44: Hoare triple {58485#true} #t~ret26#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret26#1 && #t~ret26#1 <= 2147483647;~tmp___1~1#1 := #t~ret26#1;havoc #t~ret26#1; {58485#true} is VALID [2022-02-20 19:55:19,478 INFO L290 TraceCheckUtils]: 45: Hoare triple {58485#true} assume !(0 != ~tmp___1~1#1); {58485#true} is VALID [2022-02-20 19:55:19,478 INFO L290 TraceCheckUtils]: 46: Hoare triple {58485#true} assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~7#1;havoc is_transmit3_triggered_~__retres1~7#1; {58485#true} is VALID [2022-02-20 19:55:19,478 INFO L290 TraceCheckUtils]: 47: Hoare triple {58485#true} assume 1 == ~t3_pc~0; {58485#true} is VALID [2022-02-20 19:55:19,479 INFO L290 TraceCheckUtils]: 48: Hoare triple {58485#true} assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~7#1 := 1; {58485#true} is VALID [2022-02-20 19:55:19,479 INFO L290 TraceCheckUtils]: 49: Hoare triple {58485#true} is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~7#1; {58485#true} is VALID [2022-02-20 19:55:19,479 INFO L290 TraceCheckUtils]: 50: Hoare triple {58485#true} #t~ret27#1 := is_transmit3_triggered_#res#1;assume { :end_inline_is_transmit3_triggered } true;assume -2147483648 <= #t~ret27#1 && #t~ret27#1 <= 2147483647;~tmp___2~0#1 := #t~ret27#1;havoc #t~ret27#1; {58485#true} is VALID [2022-02-20 19:55:19,479 INFO L290 TraceCheckUtils]: 51: Hoare triple {58485#true} assume 0 != ~tmp___2~0#1;~t3_st~0 := 0; {58485#true} is VALID [2022-02-20 19:55:19,479 INFO L290 TraceCheckUtils]: 52: Hoare triple {58485#true} assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~8#1;havoc is_transmit4_triggered_~__retres1~8#1; {58485#true} is VALID [2022-02-20 19:55:19,479 INFO L290 TraceCheckUtils]: 53: Hoare triple {58485#true} assume !(1 == ~t4_pc~0); {58485#true} is VALID [2022-02-20 19:55:19,479 INFO L290 TraceCheckUtils]: 54: Hoare triple {58485#true} is_transmit4_triggered_~__retres1~8#1 := 0; {58485#true} is VALID [2022-02-20 19:55:19,480 INFO L290 TraceCheckUtils]: 55: Hoare triple {58485#true} is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~8#1; {58485#true} is VALID [2022-02-20 19:55:19,480 INFO L290 TraceCheckUtils]: 56: Hoare triple {58485#true} #t~ret28#1 := is_transmit4_triggered_#res#1;assume { :end_inline_is_transmit4_triggered } true;assume -2147483648 <= #t~ret28#1 && #t~ret28#1 <= 2147483647;~tmp___3~0#1 := #t~ret28#1;havoc #t~ret28#1; {58485#true} is VALID [2022-02-20 19:55:19,480 INFO L290 TraceCheckUtils]: 57: Hoare triple {58485#true} assume 0 != ~tmp___3~0#1;~t4_st~0 := 0; {58485#true} is VALID [2022-02-20 19:55:19,480 INFO L290 TraceCheckUtils]: 58: Hoare triple {58485#true} assume true; {58485#true} is VALID [2022-02-20 19:55:19,480 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {58485#true} {58486#false} #942#return; {58486#false} is VALID [2022-02-20 19:55:19,480 INFO L272 TraceCheckUtils]: 60: Hoare triple {58486#false} call reset_delta_events2(); {58551#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} is VALID [2022-02-20 19:55:19,480 INFO L290 TraceCheckUtils]: 61: Hoare triple {58551#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} assume !(1 == ~M_E~0); {58485#true} is VALID [2022-02-20 19:55:19,481 INFO L290 TraceCheckUtils]: 62: Hoare triple {58485#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {58485#true} is VALID [2022-02-20 19:55:19,481 INFO L290 TraceCheckUtils]: 63: Hoare triple {58485#true} assume 1 == ~T2_E~0;~T2_E~0 := 2; {58485#true} is VALID [2022-02-20 19:55:19,481 INFO L290 TraceCheckUtils]: 64: Hoare triple {58485#true} assume 1 == ~T3_E~0;~T3_E~0 := 2; {58485#true} is VALID [2022-02-20 19:55:19,481 INFO L290 TraceCheckUtils]: 65: Hoare triple {58485#true} assume 1 == ~T4_E~0;~T4_E~0 := 2; {58485#true} is VALID [2022-02-20 19:55:19,481 INFO L290 TraceCheckUtils]: 66: Hoare triple {58485#true} assume !(1 == ~E_M~0); {58485#true} is VALID [2022-02-20 19:55:19,481 INFO L290 TraceCheckUtils]: 67: Hoare triple {58485#true} assume 1 == ~E_1~0;~E_1~0 := 2; {58485#true} is VALID [2022-02-20 19:55:19,481 INFO L290 TraceCheckUtils]: 68: Hoare triple {58485#true} assume 1 == ~E_2~0;~E_2~0 := 2; {58485#true} is VALID [2022-02-20 19:55:19,482 INFO L290 TraceCheckUtils]: 69: Hoare triple {58485#true} assume 1 == ~E_3~0;~E_3~0 := 2; {58485#true} is VALID [2022-02-20 19:55:19,482 INFO L290 TraceCheckUtils]: 70: Hoare triple {58485#true} assume 1 == ~E_4~0;~E_4~0 := 2; {58485#true} is VALID [2022-02-20 19:55:19,482 INFO L290 TraceCheckUtils]: 71: Hoare triple {58485#true} assume true; {58485#true} is VALID [2022-02-20 19:55:19,482 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {58485#true} {58486#false} #944#return; {58486#false} is VALID [2022-02-20 19:55:19,482 INFO L290 TraceCheckUtils]: 73: Hoare triple {58486#false} assume !false; {58486#false} is VALID [2022-02-20 19:55:19,482 INFO L290 TraceCheckUtils]: 74: Hoare triple {58486#false} start_simulation2_~kernel_st~1#1 := 1;assume { :begin_inline_eval2 } true;havoc eval2_#t~ret18#1, eval2_#t~nondet19#1, eval2_~tmp_ndt_1~0#1, eval2_#t~nondet20#1, eval2_~tmp_ndt_2~0#1, eval2_#t~nondet21#1, eval2_~tmp_ndt_3~0#1, eval2_#t~nondet22#1, eval2_~tmp_ndt_4~0#1, eval2_#t~nondet23#1, eval2_~tmp_ndt_5~0#1, eval2_~tmp~4#1;havoc eval2_~tmp~4#1; {58486#false} is VALID [2022-02-20 19:55:19,483 INFO L290 TraceCheckUtils]: 75: Hoare triple {58486#false} assume !false; {58486#false} is VALID [2022-02-20 19:55:19,483 INFO L272 TraceCheckUtils]: 76: Hoare triple {58486#false} call eval2_#t~ret18#1 := exists_runnable_thread2(); {58485#true} is VALID [2022-02-20 19:55:19,483 INFO L290 TraceCheckUtils]: 77: Hoare triple {58485#true} havoc ~__retres1~9; {58485#true} is VALID [2022-02-20 19:55:19,483 INFO L290 TraceCheckUtils]: 78: Hoare triple {58485#true} assume 0 == ~m_st~0;~__retres1~9 := 1; {58485#true} is VALID [2022-02-20 19:55:19,483 INFO L290 TraceCheckUtils]: 79: Hoare triple {58485#true} #res := ~__retres1~9; {58485#true} is VALID [2022-02-20 19:55:19,483 INFO L290 TraceCheckUtils]: 80: Hoare triple {58485#true} assume true; {58485#true} is VALID [2022-02-20 19:55:19,483 INFO L284 TraceCheckUtils]: 81: Hoare quadruple {58485#true} {58486#false} #946#return; {58486#false} is VALID [2022-02-20 19:55:19,484 INFO L290 TraceCheckUtils]: 82: Hoare triple {58486#false} assume -2147483648 <= eval2_#t~ret18#1 && eval2_#t~ret18#1 <= 2147483647;eval2_~tmp~4#1 := eval2_#t~ret18#1;havoc eval2_#t~ret18#1; {58486#false} is VALID [2022-02-20 19:55:19,484 INFO L290 TraceCheckUtils]: 83: Hoare triple {58486#false} assume 0 != eval2_~tmp~4#1; {58486#false} is VALID [2022-02-20 19:55:19,484 INFO L290 TraceCheckUtils]: 84: Hoare triple {58486#false} assume 0 == ~m_st~0;havoc eval2_~tmp_ndt_1~0#1;assume -2147483648 <= eval2_#t~nondet19#1 && eval2_#t~nondet19#1 <= 2147483647;eval2_~tmp_ndt_1~0#1 := eval2_#t~nondet19#1;havoc eval2_#t~nondet19#1; {58486#false} is VALID [2022-02-20 19:55:19,484 INFO L290 TraceCheckUtils]: 85: Hoare triple {58486#false} assume 0 != eval2_~tmp_ndt_1~0#1;~m_st~0 := 1;assume { :begin_inline_master } true;havoc master_#t~nondet17#1; {58486#false} is VALID [2022-02-20 19:55:19,484 INFO L290 TraceCheckUtils]: 86: Hoare triple {58486#false} assume !(0 == ~m_pc~0); {58486#false} is VALID [2022-02-20 19:55:19,484 INFO L290 TraceCheckUtils]: 87: Hoare triple {58486#false} assume 1 == ~m_pc~0; {58486#false} is VALID [2022-02-20 19:55:19,484 INFO L290 TraceCheckUtils]: 88: Hoare triple {58486#false} assume ~token~0 != 4 + ~local~0;assume { :begin_inline_error2 } true; {58486#false} is VALID [2022-02-20 19:55:19,485 INFO L290 TraceCheckUtils]: 89: Hoare triple {58486#false} assume !false; {58486#false} is VALID [2022-02-20 19:55:19,485 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 19:55:19,485 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:55:19,485 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753323848] [2022-02-20 19:55:19,485 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753323848] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:55:19,485 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 19:55:19,486 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 19:55:19,486 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437453995] [2022-02-20 19:55:19,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:55:19,486 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 90 [2022-02-20 19:55:19,487 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:55:19,487 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:19,543 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 90 edges. 90 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:19,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 19:55:19,543 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:55:19,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 19:55:19,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-20 19:55:19,545 INFO L87 Difference]: Start difference. First operand 1450 states and 1965 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:23,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:23,262 INFO L93 Difference]: Finished difference Result 2535 states and 3645 transitions. [2022-02-20 19:55:23,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-20 19:55:23,263 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 90 [2022-02-20 19:55:23,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:55:23,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:23,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1056 transitions. [2022-02-20 19:55:23,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:23,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1056 transitions. [2022-02-20 19:55:23,272 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 1056 transitions. [2022-02-20 19:55:24,049 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 1056 edges. 1056 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:24,290 INFO L225 Difference]: With dead ends: 2535 [2022-02-20 19:55:24,291 INFO L226 Difference]: Without dead ends: 2045 [2022-02-20 19:55:24,293 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-02-20 19:55:24,293 INFO L933 BasicCegarLoop]: 506 mSDtfsCounter, 773 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 1388 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 788 SdHoareTripleChecker+Valid, 1566 SdHoareTripleChecker+Invalid, 1464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-02-20 19:55:24,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [788 Valid, 1566 Invalid, 1464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1388 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-02-20 19:55:24,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2045 states. [2022-02-20 19:55:24,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2045 to 1768. [2022-02-20 19:55:24,520 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:55:24,523 INFO L82 GeneralOperation]: Start isEquivalent. First operand 2045 states. Second operand has 1768 states, 1560 states have (on average 1.373076923076923) internal successors, (2142), 1581 states have internal predecessors, (2142), 127 states have call successors, (127), 67 states have call predecessors, (127), 79 states have return successors, (175), 123 states have call predecessors, (175), 126 states have call successors, (175) [2022-02-20 19:55:24,524 INFO L74 IsIncluded]: Start isIncluded. First operand 2045 states. Second operand has 1768 states, 1560 states have (on average 1.373076923076923) internal successors, (2142), 1581 states have internal predecessors, (2142), 127 states have call successors, (127), 67 states have call predecessors, (127), 79 states have return successors, (175), 123 states have call predecessors, (175), 126 states have call successors, (175) [2022-02-20 19:55:24,526 INFO L87 Difference]: Start difference. First operand 2045 states. Second operand has 1768 states, 1560 states have (on average 1.373076923076923) internal successors, (2142), 1581 states have internal predecessors, (2142), 127 states have call successors, (127), 67 states have call predecessors, (127), 79 states have return successors, (175), 123 states have call predecessors, (175), 126 states have call successors, (175) [2022-02-20 19:55:24,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:24,697 INFO L93 Difference]: Finished difference Result 2045 states and 2898 transitions. [2022-02-20 19:55:24,697 INFO L276 IsEmpty]: Start isEmpty. Operand 2045 states and 2898 transitions. [2022-02-20 19:55:24,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:24,701 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:24,703 INFO L74 IsIncluded]: Start isIncluded. First operand has 1768 states, 1560 states have (on average 1.373076923076923) internal successors, (2142), 1581 states have internal predecessors, (2142), 127 states have call successors, (127), 67 states have call predecessors, (127), 79 states have return successors, (175), 123 states have call predecessors, (175), 126 states have call successors, (175) Second operand 2045 states. [2022-02-20 19:55:24,705 INFO L87 Difference]: Start difference. First operand has 1768 states, 1560 states have (on average 1.373076923076923) internal successors, (2142), 1581 states have internal predecessors, (2142), 127 states have call successors, (127), 67 states have call predecessors, (127), 79 states have return successors, (175), 123 states have call predecessors, (175), 126 states have call successors, (175) Second operand 2045 states. [2022-02-20 19:55:24,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:24,880 INFO L93 Difference]: Finished difference Result 2045 states and 2898 transitions. [2022-02-20 19:55:24,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2045 states and 2898 transitions. [2022-02-20 19:55:24,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:24,884 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:24,884 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:55:24,884 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:55:24,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1768 states, 1560 states have (on average 1.373076923076923) internal successors, (2142), 1581 states have internal predecessors, (2142), 127 states have call successors, (127), 67 states have call predecessors, (127), 79 states have return successors, (175), 123 states have call predecessors, (175), 126 states have call successors, (175) [2022-02-20 19:55:25,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1768 states to 1768 states and 2444 transitions. [2022-02-20 19:55:25,065 INFO L78 Accepts]: Start accepts. Automaton has 1768 states and 2444 transitions. Word has length 90 [2022-02-20 19:55:25,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:55:25,065 INFO L470 AbstractCegarLoop]: Abstraction has 1768 states and 2444 transitions. [2022-02-20 19:55:25,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:25,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1768 states and 2444 transitions. [2022-02-20 19:55:25,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-02-20 19:55:25,068 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:55:25,068 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 19:55:25,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-20 19:55:25,069 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:55:25,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:55:25,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1471838781, now seen corresponding path program 1 times [2022-02-20 19:55:25,069 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:55:25,069 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489173099] [2022-02-20 19:55:25,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:55:25,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:55:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:25,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-02-20 19:55:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:25,112 INFO L290 TraceCheckUtils]: 0: Hoare triple {68422#true} assume true; {68422#true} is VALID [2022-02-20 19:55:25,113 INFO L284 TraceCheckUtils]: 1: Hoare quadruple {68422#true} {68424#(= ~T4_E~0 ~M_E~0)} #938#return; {68424#(= ~T4_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:25,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-02-20 19:55:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:25,144 INFO L290 TraceCheckUtils]: 0: Hoare triple {68488#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} assume !(0 == ~M_E~0); {68489#(and (= |old(~T4_E~0)| ~T4_E~0) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:25,144 INFO L290 TraceCheckUtils]: 1: Hoare triple {68489#(and (= |old(~T4_E~0)| ~T4_E~0) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~T1_E~0); {68489#(and (= |old(~T4_E~0)| ~T4_E~0) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:25,145 INFO L290 TraceCheckUtils]: 2: Hoare triple {68489#(and (= |old(~T4_E~0)| ~T4_E~0) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~T2_E~0); {68489#(and (= |old(~T4_E~0)| ~T4_E~0) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:25,145 INFO L290 TraceCheckUtils]: 3: Hoare triple {68489#(and (= |old(~T4_E~0)| ~T4_E~0) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~T3_E~0); {68489#(and (= |old(~T4_E~0)| ~T4_E~0) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:25,145 INFO L290 TraceCheckUtils]: 4: Hoare triple {68489#(and (= |old(~T4_E~0)| ~T4_E~0) (not (= |old(~M_E~0)| 0)))} assume 0 == ~T4_E~0;~T4_E~0 := 1; {68490#(not (= |old(~T4_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:25,146 INFO L290 TraceCheckUtils]: 5: Hoare triple {68490#(not (= |old(~T4_E~0)| |old(~M_E~0)|))} assume 0 == ~E_M~0;~E_M~0 := 1; {68490#(not (= |old(~T4_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:25,146 INFO L290 TraceCheckUtils]: 6: Hoare triple {68490#(not (= |old(~T4_E~0)| |old(~M_E~0)|))} assume 0 == ~E_1~0;~E_1~0 := 1; {68490#(not (= |old(~T4_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:25,147 INFO L290 TraceCheckUtils]: 7: Hoare triple {68490#(not (= |old(~T4_E~0)| |old(~M_E~0)|))} assume 0 == ~E_2~0;~E_2~0 := 1; {68490#(not (= |old(~T4_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:25,147 INFO L290 TraceCheckUtils]: 8: Hoare triple {68490#(not (= |old(~T4_E~0)| |old(~M_E~0)|))} assume 0 == ~E_3~0;~E_3~0 := 1; {68490#(not (= |old(~T4_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:25,147 INFO L290 TraceCheckUtils]: 9: Hoare triple {68490#(not (= |old(~T4_E~0)| |old(~M_E~0)|))} assume 0 == ~E_4~0;~E_4~0 := 1; {68490#(not (= |old(~T4_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:25,148 INFO L290 TraceCheckUtils]: 10: Hoare triple {68490#(not (= |old(~T4_E~0)| |old(~M_E~0)|))} assume true; {68490#(not (= |old(~T4_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:25,148 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {68490#(not (= |old(~T4_E~0)| |old(~M_E~0)|))} {68424#(= ~T4_E~0 ~M_E~0)} #940#return; {68423#false} is VALID [2022-02-20 19:55:25,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-02-20 19:55:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:25,167 INFO L290 TraceCheckUtils]: 0: Hoare triple {68491#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0) (= |old(~t3_st~0)| ~t3_st~0) (= |old(~t4_st~0)| ~t4_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;havoc ~tmp___2~0#1;havoc ~tmp___3~0#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; {68422#true} is VALID [2022-02-20 19:55:25,167 INFO L290 TraceCheckUtils]: 1: Hoare triple {68422#true} assume 1 == ~m_pc~0; {68422#true} is VALID [2022-02-20 19:55:25,167 INFO L290 TraceCheckUtils]: 2: Hoare triple {68422#true} assume 1 == ~E_M~0;is_master_triggered_~__retres1~4#1 := 1; {68422#true} is VALID [2022-02-20 19:55:25,168 INFO L290 TraceCheckUtils]: 3: Hoare triple {68422#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {68422#true} is VALID [2022-02-20 19:55:25,168 INFO L290 TraceCheckUtils]: 4: Hoare triple {68422#true} #t~ret24#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp~5#1 := #t~ret24#1;havoc #t~ret24#1; {68422#true} is VALID [2022-02-20 19:55:25,168 INFO L290 TraceCheckUtils]: 5: Hoare triple {68422#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {68422#true} is VALID [2022-02-20 19:55:25,168 INFO L290 TraceCheckUtils]: 6: Hoare triple {68422#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; {68422#true} is VALID [2022-02-20 19:55:25,168 INFO L290 TraceCheckUtils]: 7: Hoare triple {68422#true} assume 1 == ~t1_pc~0; {68422#true} is VALID [2022-02-20 19:55:25,168 INFO L290 TraceCheckUtils]: 8: Hoare triple {68422#true} assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~5#1 := 1; {68422#true} is VALID [2022-02-20 19:55:25,168 INFO L290 TraceCheckUtils]: 9: Hoare triple {68422#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {68422#true} is VALID [2022-02-20 19:55:25,169 INFO L290 TraceCheckUtils]: 10: Hoare triple {68422#true} #t~ret25#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___0~2#1 := #t~ret25#1;havoc #t~ret25#1; {68422#true} is VALID [2022-02-20 19:55:25,169 INFO L290 TraceCheckUtils]: 11: Hoare triple {68422#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {68422#true} is VALID [2022-02-20 19:55:25,169 INFO L290 TraceCheckUtils]: 12: Hoare triple {68422#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; {68422#true} is VALID [2022-02-20 19:55:25,169 INFO L290 TraceCheckUtils]: 13: Hoare triple {68422#true} assume !(1 == ~t2_pc~0); {68422#true} is VALID [2022-02-20 19:55:25,169 INFO L290 TraceCheckUtils]: 14: Hoare triple {68422#true} is_transmit2_triggered_~__retres1~6#1 := 0; {68422#true} is VALID [2022-02-20 19:55:25,169 INFO L290 TraceCheckUtils]: 15: Hoare triple {68422#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {68422#true} is VALID [2022-02-20 19:55:25,169 INFO L290 TraceCheckUtils]: 16: Hoare triple {68422#true} #t~ret26#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret26#1 && #t~ret26#1 <= 2147483647;~tmp___1~1#1 := #t~ret26#1;havoc #t~ret26#1; {68422#true} is VALID [2022-02-20 19:55:25,170 INFO L290 TraceCheckUtils]: 17: Hoare triple {68422#true} assume !(0 != ~tmp___1~1#1); {68422#true} is VALID [2022-02-20 19:55:25,170 INFO L290 TraceCheckUtils]: 18: Hoare triple {68422#true} assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~7#1;havoc is_transmit3_triggered_~__retres1~7#1; {68422#true} is VALID [2022-02-20 19:55:25,170 INFO L290 TraceCheckUtils]: 19: Hoare triple {68422#true} assume 1 == ~t3_pc~0; {68422#true} is VALID [2022-02-20 19:55:25,170 INFO L290 TraceCheckUtils]: 20: Hoare triple {68422#true} assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~7#1 := 1; {68422#true} is VALID [2022-02-20 19:55:25,170 INFO L290 TraceCheckUtils]: 21: Hoare triple {68422#true} is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~7#1; {68422#true} is VALID [2022-02-20 19:55:25,170 INFO L290 TraceCheckUtils]: 22: Hoare triple {68422#true} #t~ret27#1 := is_transmit3_triggered_#res#1;assume { :end_inline_is_transmit3_triggered } true;assume -2147483648 <= #t~ret27#1 && #t~ret27#1 <= 2147483647;~tmp___2~0#1 := #t~ret27#1;havoc #t~ret27#1; {68422#true} is VALID [2022-02-20 19:55:25,170 INFO L290 TraceCheckUtils]: 23: Hoare triple {68422#true} assume 0 != ~tmp___2~0#1;~t3_st~0 := 0; {68422#true} is VALID [2022-02-20 19:55:25,171 INFO L290 TraceCheckUtils]: 24: Hoare triple {68422#true} assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~8#1;havoc is_transmit4_triggered_~__retres1~8#1; {68422#true} is VALID [2022-02-20 19:55:25,171 INFO L290 TraceCheckUtils]: 25: Hoare triple {68422#true} assume !(1 == ~t4_pc~0); {68422#true} is VALID [2022-02-20 19:55:25,171 INFO L290 TraceCheckUtils]: 26: Hoare triple {68422#true} is_transmit4_triggered_~__retres1~8#1 := 0; {68422#true} is VALID [2022-02-20 19:55:25,171 INFO L290 TraceCheckUtils]: 27: Hoare triple {68422#true} is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~8#1; {68422#true} is VALID [2022-02-20 19:55:25,171 INFO L290 TraceCheckUtils]: 28: Hoare triple {68422#true} #t~ret28#1 := is_transmit4_triggered_#res#1;assume { :end_inline_is_transmit4_triggered } true;assume -2147483648 <= #t~ret28#1 && #t~ret28#1 <= 2147483647;~tmp___3~0#1 := #t~ret28#1;havoc #t~ret28#1; {68422#true} is VALID [2022-02-20 19:55:25,171 INFO L290 TraceCheckUtils]: 29: Hoare triple {68422#true} assume 0 != ~tmp___3~0#1;~t4_st~0 := 0; {68422#true} is VALID [2022-02-20 19:55:25,172 INFO L290 TraceCheckUtils]: 30: Hoare triple {68422#true} assume true; {68422#true} is VALID [2022-02-20 19:55:25,172 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {68422#true} {68423#false} #942#return; {68423#false} is VALID [2022-02-20 19:55:25,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-02-20 19:55:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:25,176 INFO L290 TraceCheckUtils]: 0: Hoare triple {68488#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} assume !(1 == ~M_E~0); {68422#true} is VALID [2022-02-20 19:55:25,176 INFO L290 TraceCheckUtils]: 1: Hoare triple {68422#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {68422#true} is VALID [2022-02-20 19:55:25,176 INFO L290 TraceCheckUtils]: 2: Hoare triple {68422#true} assume 1 == ~T2_E~0;~T2_E~0 := 2; {68422#true} is VALID [2022-02-20 19:55:25,176 INFO L290 TraceCheckUtils]: 3: Hoare triple {68422#true} assume 1 == ~T3_E~0;~T3_E~0 := 2; {68422#true} is VALID [2022-02-20 19:55:25,176 INFO L290 TraceCheckUtils]: 4: Hoare triple {68422#true} assume 1 == ~T4_E~0;~T4_E~0 := 2; {68422#true} is VALID [2022-02-20 19:55:25,177 INFO L290 TraceCheckUtils]: 5: Hoare triple {68422#true} assume !(1 == ~E_M~0); {68422#true} is VALID [2022-02-20 19:55:25,177 INFO L290 TraceCheckUtils]: 6: Hoare triple {68422#true} assume 1 == ~E_1~0;~E_1~0 := 2; {68422#true} is VALID [2022-02-20 19:55:25,177 INFO L290 TraceCheckUtils]: 7: Hoare triple {68422#true} assume 1 == ~E_2~0;~E_2~0 := 2; {68422#true} is VALID [2022-02-20 19:55:25,177 INFO L290 TraceCheckUtils]: 8: Hoare triple {68422#true} assume 1 == ~E_3~0;~E_3~0 := 2; {68422#true} is VALID [2022-02-20 19:55:25,177 INFO L290 TraceCheckUtils]: 9: Hoare triple {68422#true} assume 1 == ~E_4~0;~E_4~0 := 2; {68422#true} is VALID [2022-02-20 19:55:25,177 INFO L290 TraceCheckUtils]: 10: Hoare triple {68422#true} assume true; {68422#true} is VALID [2022-02-20 19:55:25,177 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {68422#true} {68423#false} #944#return; {68423#false} is VALID [2022-02-20 19:55:25,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-02-20 19:55:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:25,180 INFO L290 TraceCheckUtils]: 0: Hoare triple {68422#true} havoc ~__retres1~9; {68422#true} is VALID [2022-02-20 19:55:25,180 INFO L290 TraceCheckUtils]: 1: Hoare triple {68422#true} assume 0 == ~m_st~0;~__retres1~9 := 1; {68422#true} is VALID [2022-02-20 19:55:25,180 INFO L290 TraceCheckUtils]: 2: Hoare triple {68422#true} #res := ~__retres1~9; {68422#true} is VALID [2022-02-20 19:55:25,180 INFO L290 TraceCheckUtils]: 3: Hoare triple {68422#true} assume true; {68422#true} is VALID [2022-02-20 19:55:25,180 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {68422#true} {68423#false} #946#return; {68423#false} is VALID [2022-02-20 19:55:25,181 INFO L290 TraceCheckUtils]: 0: Hoare triple {68422#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;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0; {68424#(= ~T4_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:25,182 INFO L290 TraceCheckUtils]: 1: Hoare triple {68424#(= ~T4_E~0 ~M_E~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet32#1, main_#t~ret33#1, main_#t~ret34#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {68424#(= ~T4_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:25,182 INFO L290 TraceCheckUtils]: 2: Hoare triple {68424#(= ~T4_E~0 ~M_E~0)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume { :begin_inline_main2 } true;havoc main2_#res#1;havoc main2_~__retres1~10#1;havoc main2_~__retres1~10#1;assume { :begin_inline_init_model2 } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1; {68424#(= ~T4_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:25,182 INFO L290 TraceCheckUtils]: 3: Hoare triple {68424#(= ~T4_E~0 ~M_E~0)} assume { :end_inline_init_model2 } true;assume { :begin_inline_start_simulation2 } true;havoc start_simulation2_#t~ret30#1, start_simulation2_#t~ret31#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; {68424#(= ~T4_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:25,183 INFO L272 TraceCheckUtils]: 4: Hoare triple {68424#(= ~T4_E~0 ~M_E~0)} call update_channels2(); {68422#true} is VALID [2022-02-20 19:55:25,183 INFO L290 TraceCheckUtils]: 5: Hoare triple {68422#true} assume true; {68422#true} is VALID [2022-02-20 19:55:25,183 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {68422#true} {68424#(= ~T4_E~0 ~M_E~0)} #938#return; {68424#(= ~T4_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:25,184 INFO L290 TraceCheckUtils]: 7: Hoare triple {68424#(= ~T4_E~0 ~M_E~0)} assume { :begin_inline_init_threads2 } true; {68424#(= ~T4_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:25,184 INFO L290 TraceCheckUtils]: 8: Hoare triple {68424#(= ~T4_E~0 ~M_E~0)} assume 1 == ~m_i~0;~m_st~0 := 0; {68424#(= ~T4_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:25,184 INFO L290 TraceCheckUtils]: 9: Hoare triple {68424#(= ~T4_E~0 ~M_E~0)} assume 1 == ~t1_i~0;~t1_st~0 := 0; {68424#(= ~T4_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:25,184 INFO L290 TraceCheckUtils]: 10: Hoare triple {68424#(= ~T4_E~0 ~M_E~0)} assume 1 == ~t2_i~0;~t2_st~0 := 0; {68424#(= ~T4_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:25,185 INFO L290 TraceCheckUtils]: 11: Hoare triple {68424#(= ~T4_E~0 ~M_E~0)} assume 1 == ~t3_i~0;~t3_st~0 := 0; {68424#(= ~T4_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:25,185 INFO L290 TraceCheckUtils]: 12: Hoare triple {68424#(= ~T4_E~0 ~M_E~0)} assume 1 == ~t4_i~0;~t4_st~0 := 0; {68424#(= ~T4_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:25,185 INFO L290 TraceCheckUtils]: 13: Hoare triple {68424#(= ~T4_E~0 ~M_E~0)} assume { :end_inline_init_threads2 } true; {68424#(= ~T4_E~0 ~M_E~0)} is VALID [2022-02-20 19:55:25,186 INFO L272 TraceCheckUtils]: 14: Hoare triple {68424#(= ~T4_E~0 ~M_E~0)} call fire_delta_events2(); {68488#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} is VALID [2022-02-20 19:55:25,187 INFO L290 TraceCheckUtils]: 15: Hoare triple {68488#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} assume !(0 == ~M_E~0); {68489#(and (= |old(~T4_E~0)| ~T4_E~0) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:25,187 INFO L290 TraceCheckUtils]: 16: Hoare triple {68489#(and (= |old(~T4_E~0)| ~T4_E~0) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~T1_E~0); {68489#(and (= |old(~T4_E~0)| ~T4_E~0) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:25,188 INFO L290 TraceCheckUtils]: 17: Hoare triple {68489#(and (= |old(~T4_E~0)| ~T4_E~0) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~T2_E~0); {68489#(and (= |old(~T4_E~0)| ~T4_E~0) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:25,188 INFO L290 TraceCheckUtils]: 18: Hoare triple {68489#(and (= |old(~T4_E~0)| ~T4_E~0) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~T3_E~0); {68489#(and (= |old(~T4_E~0)| ~T4_E~0) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:25,188 INFO L290 TraceCheckUtils]: 19: Hoare triple {68489#(and (= |old(~T4_E~0)| ~T4_E~0) (not (= |old(~M_E~0)| 0)))} assume 0 == ~T4_E~0;~T4_E~0 := 1; {68490#(not (= |old(~T4_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:25,189 INFO L290 TraceCheckUtils]: 20: Hoare triple {68490#(not (= |old(~T4_E~0)| |old(~M_E~0)|))} assume 0 == ~E_M~0;~E_M~0 := 1; {68490#(not (= |old(~T4_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:25,189 INFO L290 TraceCheckUtils]: 21: Hoare triple {68490#(not (= |old(~T4_E~0)| |old(~M_E~0)|))} assume 0 == ~E_1~0;~E_1~0 := 1; {68490#(not (= |old(~T4_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:25,189 INFO L290 TraceCheckUtils]: 22: Hoare triple {68490#(not (= |old(~T4_E~0)| |old(~M_E~0)|))} assume 0 == ~E_2~0;~E_2~0 := 1; {68490#(not (= |old(~T4_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:25,190 INFO L290 TraceCheckUtils]: 23: Hoare triple {68490#(not (= |old(~T4_E~0)| |old(~M_E~0)|))} assume 0 == ~E_3~0;~E_3~0 := 1; {68490#(not (= |old(~T4_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:25,190 INFO L290 TraceCheckUtils]: 24: Hoare triple {68490#(not (= |old(~T4_E~0)| |old(~M_E~0)|))} assume 0 == ~E_4~0;~E_4~0 := 1; {68490#(not (= |old(~T4_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:25,191 INFO L290 TraceCheckUtils]: 25: Hoare triple {68490#(not (= |old(~T4_E~0)| |old(~M_E~0)|))} assume true; {68490#(not (= |old(~T4_E~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:25,191 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {68490#(not (= |old(~T4_E~0)| |old(~M_E~0)|))} {68424#(= ~T4_E~0 ~M_E~0)} #940#return; {68423#false} is VALID [2022-02-20 19:55:25,191 INFO L272 TraceCheckUtils]: 27: Hoare triple {68423#false} call activate_threads2(); {68491#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0) (= |old(~t3_st~0)| ~t3_st~0) (= |old(~t4_st~0)| ~t4_st~0))} is VALID [2022-02-20 19:55:25,191 INFO L290 TraceCheckUtils]: 28: Hoare triple {68491#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0) (= |old(~t3_st~0)| ~t3_st~0) (= |old(~t4_st~0)| ~t4_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;havoc ~tmp___2~0#1;havoc ~tmp___3~0#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; {68422#true} is VALID [2022-02-20 19:55:25,191 INFO L290 TraceCheckUtils]: 29: Hoare triple {68422#true} assume 1 == ~m_pc~0; {68422#true} is VALID [2022-02-20 19:55:25,192 INFO L290 TraceCheckUtils]: 30: Hoare triple {68422#true} assume 1 == ~E_M~0;is_master_triggered_~__retres1~4#1 := 1; {68422#true} is VALID [2022-02-20 19:55:25,192 INFO L290 TraceCheckUtils]: 31: Hoare triple {68422#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {68422#true} is VALID [2022-02-20 19:55:25,192 INFO L290 TraceCheckUtils]: 32: Hoare triple {68422#true} #t~ret24#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp~5#1 := #t~ret24#1;havoc #t~ret24#1; {68422#true} is VALID [2022-02-20 19:55:25,192 INFO L290 TraceCheckUtils]: 33: Hoare triple {68422#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {68422#true} is VALID [2022-02-20 19:55:25,192 INFO L290 TraceCheckUtils]: 34: Hoare triple {68422#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; {68422#true} is VALID [2022-02-20 19:55:25,192 INFO L290 TraceCheckUtils]: 35: Hoare triple {68422#true} assume 1 == ~t1_pc~0; {68422#true} is VALID [2022-02-20 19:55:25,192 INFO L290 TraceCheckUtils]: 36: Hoare triple {68422#true} assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~5#1 := 1; {68422#true} is VALID [2022-02-20 19:55:25,193 INFO L290 TraceCheckUtils]: 37: Hoare triple {68422#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {68422#true} is VALID [2022-02-20 19:55:25,193 INFO L290 TraceCheckUtils]: 38: Hoare triple {68422#true} #t~ret25#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___0~2#1 := #t~ret25#1;havoc #t~ret25#1; {68422#true} is VALID [2022-02-20 19:55:25,193 INFO L290 TraceCheckUtils]: 39: Hoare triple {68422#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {68422#true} is VALID [2022-02-20 19:55:25,193 INFO L290 TraceCheckUtils]: 40: Hoare triple {68422#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; {68422#true} is VALID [2022-02-20 19:55:25,193 INFO L290 TraceCheckUtils]: 41: Hoare triple {68422#true} assume !(1 == ~t2_pc~0); {68422#true} is VALID [2022-02-20 19:55:25,193 INFO L290 TraceCheckUtils]: 42: Hoare triple {68422#true} is_transmit2_triggered_~__retres1~6#1 := 0; {68422#true} is VALID [2022-02-20 19:55:25,193 INFO L290 TraceCheckUtils]: 43: Hoare triple {68422#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {68422#true} is VALID [2022-02-20 19:55:25,194 INFO L290 TraceCheckUtils]: 44: Hoare triple {68422#true} #t~ret26#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret26#1 && #t~ret26#1 <= 2147483647;~tmp___1~1#1 := #t~ret26#1;havoc #t~ret26#1; {68422#true} is VALID [2022-02-20 19:55:25,194 INFO L290 TraceCheckUtils]: 45: Hoare triple {68422#true} assume !(0 != ~tmp___1~1#1); {68422#true} is VALID [2022-02-20 19:55:25,194 INFO L290 TraceCheckUtils]: 46: Hoare triple {68422#true} assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~7#1;havoc is_transmit3_triggered_~__retres1~7#1; {68422#true} is VALID [2022-02-20 19:55:25,194 INFO L290 TraceCheckUtils]: 47: Hoare triple {68422#true} assume 1 == ~t3_pc~0; {68422#true} is VALID [2022-02-20 19:55:25,194 INFO L290 TraceCheckUtils]: 48: Hoare triple {68422#true} assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~7#1 := 1; {68422#true} is VALID [2022-02-20 19:55:25,194 INFO L290 TraceCheckUtils]: 49: Hoare triple {68422#true} is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~7#1; {68422#true} is VALID [2022-02-20 19:55:25,195 INFO L290 TraceCheckUtils]: 50: Hoare triple {68422#true} #t~ret27#1 := is_transmit3_triggered_#res#1;assume { :end_inline_is_transmit3_triggered } true;assume -2147483648 <= #t~ret27#1 && #t~ret27#1 <= 2147483647;~tmp___2~0#1 := #t~ret27#1;havoc #t~ret27#1; {68422#true} is VALID [2022-02-20 19:55:25,195 INFO L290 TraceCheckUtils]: 51: Hoare triple {68422#true} assume 0 != ~tmp___2~0#1;~t3_st~0 := 0; {68422#true} is VALID [2022-02-20 19:55:25,195 INFO L290 TraceCheckUtils]: 52: Hoare triple {68422#true} assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~8#1;havoc is_transmit4_triggered_~__retres1~8#1; {68422#true} is VALID [2022-02-20 19:55:25,195 INFO L290 TraceCheckUtils]: 53: Hoare triple {68422#true} assume !(1 == ~t4_pc~0); {68422#true} is VALID [2022-02-20 19:55:25,195 INFO L290 TraceCheckUtils]: 54: Hoare triple {68422#true} is_transmit4_triggered_~__retres1~8#1 := 0; {68422#true} is VALID [2022-02-20 19:55:25,195 INFO L290 TraceCheckUtils]: 55: Hoare triple {68422#true} is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~8#1; {68422#true} is VALID [2022-02-20 19:55:25,195 INFO L290 TraceCheckUtils]: 56: Hoare triple {68422#true} #t~ret28#1 := is_transmit4_triggered_#res#1;assume { :end_inline_is_transmit4_triggered } true;assume -2147483648 <= #t~ret28#1 && #t~ret28#1 <= 2147483647;~tmp___3~0#1 := #t~ret28#1;havoc #t~ret28#1; {68422#true} is VALID [2022-02-20 19:55:25,196 INFO L290 TraceCheckUtils]: 57: Hoare triple {68422#true} assume 0 != ~tmp___3~0#1;~t4_st~0 := 0; {68422#true} is VALID [2022-02-20 19:55:25,196 INFO L290 TraceCheckUtils]: 58: Hoare triple {68422#true} assume true; {68422#true} is VALID [2022-02-20 19:55:25,196 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {68422#true} {68423#false} #942#return; {68423#false} is VALID [2022-02-20 19:55:25,196 INFO L272 TraceCheckUtils]: 60: Hoare triple {68423#false} call reset_delta_events2(); {68488#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} is VALID [2022-02-20 19:55:25,196 INFO L290 TraceCheckUtils]: 61: Hoare triple {68488#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} assume !(1 == ~M_E~0); {68422#true} is VALID [2022-02-20 19:55:25,196 INFO L290 TraceCheckUtils]: 62: Hoare triple {68422#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {68422#true} is VALID [2022-02-20 19:55:25,196 INFO L290 TraceCheckUtils]: 63: Hoare triple {68422#true} assume 1 == ~T2_E~0;~T2_E~0 := 2; {68422#true} is VALID [2022-02-20 19:55:25,197 INFO L290 TraceCheckUtils]: 64: Hoare triple {68422#true} assume 1 == ~T3_E~0;~T3_E~0 := 2; {68422#true} is VALID [2022-02-20 19:55:25,197 INFO L290 TraceCheckUtils]: 65: Hoare triple {68422#true} assume 1 == ~T4_E~0;~T4_E~0 := 2; {68422#true} is VALID [2022-02-20 19:55:25,197 INFO L290 TraceCheckUtils]: 66: Hoare triple {68422#true} assume !(1 == ~E_M~0); {68422#true} is VALID [2022-02-20 19:55:25,197 INFO L290 TraceCheckUtils]: 67: Hoare triple {68422#true} assume 1 == ~E_1~0;~E_1~0 := 2; {68422#true} is VALID [2022-02-20 19:55:25,197 INFO L290 TraceCheckUtils]: 68: Hoare triple {68422#true} assume 1 == ~E_2~0;~E_2~0 := 2; {68422#true} is VALID [2022-02-20 19:55:25,197 INFO L290 TraceCheckUtils]: 69: Hoare triple {68422#true} assume 1 == ~E_3~0;~E_3~0 := 2; {68422#true} is VALID [2022-02-20 19:55:25,197 INFO L290 TraceCheckUtils]: 70: Hoare triple {68422#true} assume 1 == ~E_4~0;~E_4~0 := 2; {68422#true} is VALID [2022-02-20 19:55:25,198 INFO L290 TraceCheckUtils]: 71: Hoare triple {68422#true} assume true; {68422#true} is VALID [2022-02-20 19:55:25,198 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {68422#true} {68423#false} #944#return; {68423#false} is VALID [2022-02-20 19:55:25,198 INFO L290 TraceCheckUtils]: 73: Hoare triple {68423#false} assume !false; {68423#false} is VALID [2022-02-20 19:55:25,198 INFO L290 TraceCheckUtils]: 74: Hoare triple {68423#false} start_simulation2_~kernel_st~1#1 := 1;assume { :begin_inline_eval2 } true;havoc eval2_#t~ret18#1, eval2_#t~nondet19#1, eval2_~tmp_ndt_1~0#1, eval2_#t~nondet20#1, eval2_~tmp_ndt_2~0#1, eval2_#t~nondet21#1, eval2_~tmp_ndt_3~0#1, eval2_#t~nondet22#1, eval2_~tmp_ndt_4~0#1, eval2_#t~nondet23#1, eval2_~tmp_ndt_5~0#1, eval2_~tmp~4#1;havoc eval2_~tmp~4#1; {68423#false} is VALID [2022-02-20 19:55:25,198 INFO L290 TraceCheckUtils]: 75: Hoare triple {68423#false} assume !false; {68423#false} is VALID [2022-02-20 19:55:25,198 INFO L272 TraceCheckUtils]: 76: Hoare triple {68423#false} call eval2_#t~ret18#1 := exists_runnable_thread2(); {68422#true} is VALID [2022-02-20 19:55:25,198 INFO L290 TraceCheckUtils]: 77: Hoare triple {68422#true} havoc ~__retres1~9; {68422#true} is VALID [2022-02-20 19:55:25,199 INFO L290 TraceCheckUtils]: 78: Hoare triple {68422#true} assume 0 == ~m_st~0;~__retres1~9 := 1; {68422#true} is VALID [2022-02-20 19:55:25,199 INFO L290 TraceCheckUtils]: 79: Hoare triple {68422#true} #res := ~__retres1~9; {68422#true} is VALID [2022-02-20 19:55:25,199 INFO L290 TraceCheckUtils]: 80: Hoare triple {68422#true} assume true; {68422#true} is VALID [2022-02-20 19:55:25,199 INFO L284 TraceCheckUtils]: 81: Hoare quadruple {68422#true} {68423#false} #946#return; {68423#false} is VALID [2022-02-20 19:55:25,199 INFO L290 TraceCheckUtils]: 82: Hoare triple {68423#false} assume -2147483648 <= eval2_#t~ret18#1 && eval2_#t~ret18#1 <= 2147483647;eval2_~tmp~4#1 := eval2_#t~ret18#1;havoc eval2_#t~ret18#1; {68423#false} is VALID [2022-02-20 19:55:25,199 INFO L290 TraceCheckUtils]: 83: Hoare triple {68423#false} assume 0 != eval2_~tmp~4#1; {68423#false} is VALID [2022-02-20 19:55:25,199 INFO L290 TraceCheckUtils]: 84: Hoare triple {68423#false} assume 0 == ~m_st~0;havoc eval2_~tmp_ndt_1~0#1;assume -2147483648 <= eval2_#t~nondet19#1 && eval2_#t~nondet19#1 <= 2147483647;eval2_~tmp_ndt_1~0#1 := eval2_#t~nondet19#1;havoc eval2_#t~nondet19#1; {68423#false} is VALID [2022-02-20 19:55:25,200 INFO L290 TraceCheckUtils]: 85: Hoare triple {68423#false} assume 0 != eval2_~tmp_ndt_1~0#1;~m_st~0 := 1;assume { :begin_inline_master } true;havoc master_#t~nondet17#1; {68423#false} is VALID [2022-02-20 19:55:25,200 INFO L290 TraceCheckUtils]: 86: Hoare triple {68423#false} assume !(0 == ~m_pc~0); {68423#false} is VALID [2022-02-20 19:55:25,200 INFO L290 TraceCheckUtils]: 87: Hoare triple {68423#false} assume 1 == ~m_pc~0; {68423#false} is VALID [2022-02-20 19:55:25,200 INFO L290 TraceCheckUtils]: 88: Hoare triple {68423#false} assume ~token~0 != 4 + ~local~0;assume { :begin_inline_error2 } true; {68423#false} is VALID [2022-02-20 19:55:25,200 INFO L290 TraceCheckUtils]: 89: Hoare triple {68423#false} assume !false; {68423#false} is VALID [2022-02-20 19:55:25,201 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 19:55:25,201 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:55:25,201 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489173099] [2022-02-20 19:55:25,201 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489173099] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:55:25,201 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 19:55:25,201 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 19:55:25,203 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472608645] [2022-02-20 19:55:25,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:55:25,204 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 90 [2022-02-20 19:55:25,204 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:55:25,205 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:25,262 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 90 edges. 90 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:25,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 19:55:25,262 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:55:25,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 19:55:25,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-20 19:55:25,263 INFO L87 Difference]: Start difference. First operand 1768 states and 2444 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:29,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:29,197 INFO L93 Difference]: Finished difference Result 3655 states and 5352 transitions. [2022-02-20 19:55:29,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-20 19:55:29,197 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 90 [2022-02-20 19:55:29,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:55:29,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:29,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1054 transitions. [2022-02-20 19:55:29,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:29,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1054 transitions. [2022-02-20 19:55:29,208 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 1054 transitions. [2022-02-20 19:55:29,994 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 1054 edges. 1054 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:30,339 INFO L225 Difference]: With dead ends: 3655 [2022-02-20 19:55:30,339 INFO L226 Difference]: Without dead ends: 2847 [2022-02-20 19:55:30,342 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-02-20 19:55:30,342 INFO L933 BasicCegarLoop]: 501 mSDtfsCounter, 772 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 1380 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 787 SdHoareTripleChecker+Valid, 1561 SdHoareTripleChecker+Invalid, 1456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-02-20 19:55:30,343 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [787 Valid, 1561 Invalid, 1456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1380 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-02-20 19:55:30,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2847 states. [2022-02-20 19:55:30,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2847 to 2405. [2022-02-20 19:55:30,610 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:55:30,613 INFO L82 GeneralOperation]: Start isEquivalent. First operand 2847 states. Second operand has 2405 states, 2117 states have (on average 1.4076523382144543) internal successors, (2980), 2142 states have internal predecessors, (2980), 179 states have call successors, (179), 91 states have call predecessors, (179), 107 states have return successors, (249), 179 states have call predecessors, (249), 178 states have call successors, (249) [2022-02-20 19:55:30,615 INFO L74 IsIncluded]: Start isIncluded. First operand 2847 states. Second operand has 2405 states, 2117 states have (on average 1.4076523382144543) internal successors, (2980), 2142 states have internal predecessors, (2980), 179 states have call successors, (179), 91 states have call predecessors, (179), 107 states have return successors, (249), 179 states have call predecessors, (249), 178 states have call successors, (249) [2022-02-20 19:55:30,617 INFO L87 Difference]: Start difference. First operand 2847 states. Second operand has 2405 states, 2117 states have (on average 1.4076523382144543) internal successors, (2980), 2142 states have internal predecessors, (2980), 179 states have call successors, (179), 91 states have call predecessors, (179), 107 states have return successors, (249), 179 states have call predecessors, (249), 178 states have call successors, (249) [2022-02-20 19:55:30,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:30,870 INFO L93 Difference]: Finished difference Result 2847 states and 4120 transitions. [2022-02-20 19:55:30,870 INFO L276 IsEmpty]: Start isEmpty. Operand 2847 states and 4120 transitions. [2022-02-20 19:55:30,874 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:30,875 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:30,878 INFO L74 IsIncluded]: Start isIncluded. First operand has 2405 states, 2117 states have (on average 1.4076523382144543) internal successors, (2980), 2142 states have internal predecessors, (2980), 179 states have call successors, (179), 91 states have call predecessors, (179), 107 states have return successors, (249), 179 states have call predecessors, (249), 178 states have call successors, (249) Second operand 2847 states. [2022-02-20 19:55:30,880 INFO L87 Difference]: Start difference. First operand has 2405 states, 2117 states have (on average 1.4076523382144543) internal successors, (2980), 2142 states have internal predecessors, (2980), 179 states have call successors, (179), 91 states have call predecessors, (179), 107 states have return successors, (249), 179 states have call predecessors, (249), 178 states have call successors, (249) Second operand 2847 states. [2022-02-20 19:55:31,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:31,096 INFO L93 Difference]: Finished difference Result 2847 states and 4120 transitions. [2022-02-20 19:55:31,096 INFO L276 IsEmpty]: Start isEmpty. Operand 2847 states and 4120 transitions. [2022-02-20 19:55:31,100 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:31,100 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:31,100 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:55:31,100 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:55:31,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2405 states, 2117 states have (on average 1.4076523382144543) internal successors, (2980), 2142 states have internal predecessors, (2980), 179 states have call successors, (179), 91 states have call predecessors, (179), 107 states have return successors, (249), 179 states have call predecessors, (249), 178 states have call successors, (249) [2022-02-20 19:55:31,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 2405 states and 3408 transitions. [2022-02-20 19:55:31,343 INFO L78 Accepts]: Start accepts. Automaton has 2405 states and 3408 transitions. Word has length 90 [2022-02-20 19:55:31,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:55:31,353 INFO L470 AbstractCegarLoop]: Abstraction has 2405 states and 3408 transitions. [2022-02-20 19:55:31,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:31,354 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 3408 transitions. [2022-02-20 19:55:31,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-02-20 19:55:31,356 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:55:31,356 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 19:55:31,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-20 19:55:31,356 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:55:31,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:55:31,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1855777861, now seen corresponding path program 1 times [2022-02-20 19:55:31,357 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:55:31,357 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050012680] [2022-02-20 19:55:31,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:55:31,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:55:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:31,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-02-20 19:55:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:31,393 INFO L290 TraceCheckUtils]: 0: Hoare triple {82242#true} assume true; {82242#true} is VALID [2022-02-20 19:55:31,394 INFO L284 TraceCheckUtils]: 1: Hoare quadruple {82242#true} {82244#(not (= ~E_M~0 0))} #938#return; {82244#(not (= ~E_M~0 0))} is VALID [2022-02-20 19:55:31,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-02-20 19:55:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:31,427 INFO L290 TraceCheckUtils]: 0: Hoare triple {82308#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} assume !(0 == ~M_E~0); {82309#(= ~E_M~0 |old(~E_M~0)|)} is VALID [2022-02-20 19:55:31,427 INFO L290 TraceCheckUtils]: 1: Hoare triple {82309#(= ~E_M~0 |old(~E_M~0)|)} assume !(0 == ~T1_E~0); {82309#(= ~E_M~0 |old(~E_M~0)|)} is VALID [2022-02-20 19:55:31,428 INFO L290 TraceCheckUtils]: 2: Hoare triple {82309#(= ~E_M~0 |old(~E_M~0)|)} assume !(0 == ~T2_E~0); {82309#(= ~E_M~0 |old(~E_M~0)|)} is VALID [2022-02-20 19:55:31,428 INFO L290 TraceCheckUtils]: 3: Hoare triple {82309#(= ~E_M~0 |old(~E_M~0)|)} assume !(0 == ~T3_E~0); {82309#(= ~E_M~0 |old(~E_M~0)|)} is VALID [2022-02-20 19:55:31,429 INFO L290 TraceCheckUtils]: 4: Hoare triple {82309#(= ~E_M~0 |old(~E_M~0)|)} assume !(0 == ~T4_E~0); {82309#(= ~E_M~0 |old(~E_M~0)|)} is VALID [2022-02-20 19:55:31,429 INFO L290 TraceCheckUtils]: 5: Hoare triple {82309#(= ~E_M~0 |old(~E_M~0)|)} assume 0 == ~E_M~0;~E_M~0 := 1; {82310#(= |old(~E_M~0)| 0)} is VALID [2022-02-20 19:55:31,429 INFO L290 TraceCheckUtils]: 6: Hoare triple {82310#(= |old(~E_M~0)| 0)} assume 0 == ~E_1~0;~E_1~0 := 1; {82310#(= |old(~E_M~0)| 0)} is VALID [2022-02-20 19:55:31,430 INFO L290 TraceCheckUtils]: 7: Hoare triple {82310#(= |old(~E_M~0)| 0)} assume 0 == ~E_2~0;~E_2~0 := 1; {82310#(= |old(~E_M~0)| 0)} is VALID [2022-02-20 19:55:31,430 INFO L290 TraceCheckUtils]: 8: Hoare triple {82310#(= |old(~E_M~0)| 0)} assume 0 == ~E_3~0;~E_3~0 := 1; {82310#(= |old(~E_M~0)| 0)} is VALID [2022-02-20 19:55:31,431 INFO L290 TraceCheckUtils]: 9: Hoare triple {82310#(= |old(~E_M~0)| 0)} assume 0 == ~E_4~0;~E_4~0 := 1; {82310#(= |old(~E_M~0)| 0)} is VALID [2022-02-20 19:55:31,431 INFO L290 TraceCheckUtils]: 10: Hoare triple {82310#(= |old(~E_M~0)| 0)} assume true; {82310#(= |old(~E_M~0)| 0)} is VALID [2022-02-20 19:55:31,431 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {82310#(= |old(~E_M~0)| 0)} {82244#(not (= ~E_M~0 0))} #940#return; {82243#false} is VALID [2022-02-20 19:55:31,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-02-20 19:55:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:31,452 INFO L290 TraceCheckUtils]: 0: Hoare triple {82311#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0) (= |old(~t3_st~0)| ~t3_st~0) (= |old(~t4_st~0)| ~t4_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;havoc ~tmp___2~0#1;havoc ~tmp___3~0#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; {82242#true} is VALID [2022-02-20 19:55:31,452 INFO L290 TraceCheckUtils]: 1: Hoare triple {82242#true} assume 1 == ~m_pc~0; {82242#true} is VALID [2022-02-20 19:55:31,452 INFO L290 TraceCheckUtils]: 2: Hoare triple {82242#true} assume 1 == ~E_M~0;is_master_triggered_~__retres1~4#1 := 1; {82242#true} is VALID [2022-02-20 19:55:31,453 INFO L290 TraceCheckUtils]: 3: Hoare triple {82242#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {82242#true} is VALID [2022-02-20 19:55:31,453 INFO L290 TraceCheckUtils]: 4: Hoare triple {82242#true} #t~ret24#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp~5#1 := #t~ret24#1;havoc #t~ret24#1; {82242#true} is VALID [2022-02-20 19:55:31,453 INFO L290 TraceCheckUtils]: 5: Hoare triple {82242#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {82242#true} is VALID [2022-02-20 19:55:31,453 INFO L290 TraceCheckUtils]: 6: Hoare triple {82242#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; {82242#true} is VALID [2022-02-20 19:55:31,453 INFO L290 TraceCheckUtils]: 7: Hoare triple {82242#true} assume 1 == ~t1_pc~0; {82242#true} is VALID [2022-02-20 19:55:31,453 INFO L290 TraceCheckUtils]: 8: Hoare triple {82242#true} assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~5#1 := 1; {82242#true} is VALID [2022-02-20 19:55:31,454 INFO L290 TraceCheckUtils]: 9: Hoare triple {82242#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {82242#true} is VALID [2022-02-20 19:55:31,454 INFO L290 TraceCheckUtils]: 10: Hoare triple {82242#true} #t~ret25#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___0~2#1 := #t~ret25#1;havoc #t~ret25#1; {82242#true} is VALID [2022-02-20 19:55:31,454 INFO L290 TraceCheckUtils]: 11: Hoare triple {82242#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {82242#true} is VALID [2022-02-20 19:55:31,454 INFO L290 TraceCheckUtils]: 12: Hoare triple {82242#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; {82242#true} is VALID [2022-02-20 19:55:31,454 INFO L290 TraceCheckUtils]: 13: Hoare triple {82242#true} assume !(1 == ~t2_pc~0); {82242#true} is VALID [2022-02-20 19:55:31,454 INFO L290 TraceCheckUtils]: 14: Hoare triple {82242#true} is_transmit2_triggered_~__retres1~6#1 := 0; {82242#true} is VALID [2022-02-20 19:55:31,455 INFO L290 TraceCheckUtils]: 15: Hoare triple {82242#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {82242#true} is VALID [2022-02-20 19:55:31,455 INFO L290 TraceCheckUtils]: 16: Hoare triple {82242#true} #t~ret26#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret26#1 && #t~ret26#1 <= 2147483647;~tmp___1~1#1 := #t~ret26#1;havoc #t~ret26#1; {82242#true} is VALID [2022-02-20 19:55:31,455 INFO L290 TraceCheckUtils]: 17: Hoare triple {82242#true} assume !(0 != ~tmp___1~1#1); {82242#true} is VALID [2022-02-20 19:55:31,455 INFO L290 TraceCheckUtils]: 18: Hoare triple {82242#true} assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~7#1;havoc is_transmit3_triggered_~__retres1~7#1; {82242#true} is VALID [2022-02-20 19:55:31,455 INFO L290 TraceCheckUtils]: 19: Hoare triple {82242#true} assume 1 == ~t3_pc~0; {82242#true} is VALID [2022-02-20 19:55:31,456 INFO L290 TraceCheckUtils]: 20: Hoare triple {82242#true} assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~7#1 := 1; {82242#true} is VALID [2022-02-20 19:55:31,456 INFO L290 TraceCheckUtils]: 21: Hoare triple {82242#true} is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~7#1; {82242#true} is VALID [2022-02-20 19:55:31,456 INFO L290 TraceCheckUtils]: 22: Hoare triple {82242#true} #t~ret27#1 := is_transmit3_triggered_#res#1;assume { :end_inline_is_transmit3_triggered } true;assume -2147483648 <= #t~ret27#1 && #t~ret27#1 <= 2147483647;~tmp___2~0#1 := #t~ret27#1;havoc #t~ret27#1; {82242#true} is VALID [2022-02-20 19:55:31,456 INFO L290 TraceCheckUtils]: 23: Hoare triple {82242#true} assume 0 != ~tmp___2~0#1;~t3_st~0 := 0; {82242#true} is VALID [2022-02-20 19:55:31,456 INFO L290 TraceCheckUtils]: 24: Hoare triple {82242#true} assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~8#1;havoc is_transmit4_triggered_~__retres1~8#1; {82242#true} is VALID [2022-02-20 19:55:31,456 INFO L290 TraceCheckUtils]: 25: Hoare triple {82242#true} assume !(1 == ~t4_pc~0); {82242#true} is VALID [2022-02-20 19:55:31,457 INFO L290 TraceCheckUtils]: 26: Hoare triple {82242#true} is_transmit4_triggered_~__retres1~8#1 := 0; {82242#true} is VALID [2022-02-20 19:55:31,457 INFO L290 TraceCheckUtils]: 27: Hoare triple {82242#true} is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~8#1; {82242#true} is VALID [2022-02-20 19:55:31,457 INFO L290 TraceCheckUtils]: 28: Hoare triple {82242#true} #t~ret28#1 := is_transmit4_triggered_#res#1;assume { :end_inline_is_transmit4_triggered } true;assume -2147483648 <= #t~ret28#1 && #t~ret28#1 <= 2147483647;~tmp___3~0#1 := #t~ret28#1;havoc #t~ret28#1; {82242#true} is VALID [2022-02-20 19:55:31,457 INFO L290 TraceCheckUtils]: 29: Hoare triple {82242#true} assume 0 != ~tmp___3~0#1;~t4_st~0 := 0; {82242#true} is VALID [2022-02-20 19:55:31,457 INFO L290 TraceCheckUtils]: 30: Hoare triple {82242#true} assume true; {82242#true} is VALID [2022-02-20 19:55:31,457 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {82242#true} {82243#false} #942#return; {82243#false} is VALID [2022-02-20 19:55:31,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-02-20 19:55:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:31,462 INFO L290 TraceCheckUtils]: 0: Hoare triple {82308#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} assume !(1 == ~M_E~0); {82242#true} is VALID [2022-02-20 19:55:31,462 INFO L290 TraceCheckUtils]: 1: Hoare triple {82242#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {82242#true} is VALID [2022-02-20 19:55:31,463 INFO L290 TraceCheckUtils]: 2: Hoare triple {82242#true} assume 1 == ~T2_E~0;~T2_E~0 := 2; {82242#true} is VALID [2022-02-20 19:55:31,463 INFO L290 TraceCheckUtils]: 3: Hoare triple {82242#true} assume 1 == ~T3_E~0;~T3_E~0 := 2; {82242#true} is VALID [2022-02-20 19:55:31,463 INFO L290 TraceCheckUtils]: 4: Hoare triple {82242#true} assume 1 == ~T4_E~0;~T4_E~0 := 2; {82242#true} is VALID [2022-02-20 19:55:31,463 INFO L290 TraceCheckUtils]: 5: Hoare triple {82242#true} assume !(1 == ~E_M~0); {82242#true} is VALID [2022-02-20 19:55:31,463 INFO L290 TraceCheckUtils]: 6: Hoare triple {82242#true} assume 1 == ~E_1~0;~E_1~0 := 2; {82242#true} is VALID [2022-02-20 19:55:31,463 INFO L290 TraceCheckUtils]: 7: Hoare triple {82242#true} assume 1 == ~E_2~0;~E_2~0 := 2; {82242#true} is VALID [2022-02-20 19:55:31,464 INFO L290 TraceCheckUtils]: 8: Hoare triple {82242#true} assume 1 == ~E_3~0;~E_3~0 := 2; {82242#true} is VALID [2022-02-20 19:55:31,464 INFO L290 TraceCheckUtils]: 9: Hoare triple {82242#true} assume 1 == ~E_4~0;~E_4~0 := 2; {82242#true} is VALID [2022-02-20 19:55:31,464 INFO L290 TraceCheckUtils]: 10: Hoare triple {82242#true} assume true; {82242#true} is VALID [2022-02-20 19:55:31,464 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {82242#true} {82243#false} #944#return; {82243#false} is VALID [2022-02-20 19:55:31,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-02-20 19:55:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:31,467 INFO L290 TraceCheckUtils]: 0: Hoare triple {82242#true} havoc ~__retres1~9; {82242#true} is VALID [2022-02-20 19:55:31,468 INFO L290 TraceCheckUtils]: 1: Hoare triple {82242#true} assume 0 == ~m_st~0;~__retres1~9 := 1; {82242#true} is VALID [2022-02-20 19:55:31,468 INFO L290 TraceCheckUtils]: 2: Hoare triple {82242#true} #res := ~__retres1~9; {82242#true} is VALID [2022-02-20 19:55:31,468 INFO L290 TraceCheckUtils]: 3: Hoare triple {82242#true} assume true; {82242#true} is VALID [2022-02-20 19:55:31,468 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {82242#true} {82243#false} #946#return; {82243#false} is VALID [2022-02-20 19:55:31,469 INFO L290 TraceCheckUtils]: 0: Hoare triple {82242#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;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0; {82244#(not (= ~E_M~0 0))} is VALID [2022-02-20 19:55:31,469 INFO L290 TraceCheckUtils]: 1: Hoare triple {82244#(not (= ~E_M~0 0))} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet32#1, main_#t~ret33#1, main_#t~ret34#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {82244#(not (= ~E_M~0 0))} is VALID [2022-02-20 19:55:31,470 INFO L290 TraceCheckUtils]: 2: Hoare triple {82244#(not (= ~E_M~0 0))} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume { :begin_inline_main2 } true;havoc main2_#res#1;havoc main2_~__retres1~10#1;havoc main2_~__retres1~10#1;assume { :begin_inline_init_model2 } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1; {82244#(not (= ~E_M~0 0))} is VALID [2022-02-20 19:55:31,470 INFO L290 TraceCheckUtils]: 3: Hoare triple {82244#(not (= ~E_M~0 0))} assume { :end_inline_init_model2 } true;assume { :begin_inline_start_simulation2 } true;havoc start_simulation2_#t~ret30#1, start_simulation2_#t~ret31#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; {82244#(not (= ~E_M~0 0))} is VALID [2022-02-20 19:55:31,470 INFO L272 TraceCheckUtils]: 4: Hoare triple {82244#(not (= ~E_M~0 0))} call update_channels2(); {82242#true} is VALID [2022-02-20 19:55:31,470 INFO L290 TraceCheckUtils]: 5: Hoare triple {82242#true} assume true; {82242#true} is VALID [2022-02-20 19:55:31,471 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {82242#true} {82244#(not (= ~E_M~0 0))} #938#return; {82244#(not (= ~E_M~0 0))} is VALID [2022-02-20 19:55:31,471 INFO L290 TraceCheckUtils]: 7: Hoare triple {82244#(not (= ~E_M~0 0))} assume { :begin_inline_init_threads2 } true; {82244#(not (= ~E_M~0 0))} is VALID [2022-02-20 19:55:31,471 INFO L290 TraceCheckUtils]: 8: Hoare triple {82244#(not (= ~E_M~0 0))} assume 1 == ~m_i~0;~m_st~0 := 0; {82244#(not (= ~E_M~0 0))} is VALID [2022-02-20 19:55:31,472 INFO L290 TraceCheckUtils]: 9: Hoare triple {82244#(not (= ~E_M~0 0))} assume 1 == ~t1_i~0;~t1_st~0 := 0; {82244#(not (= ~E_M~0 0))} is VALID [2022-02-20 19:55:31,472 INFO L290 TraceCheckUtils]: 10: Hoare triple {82244#(not (= ~E_M~0 0))} assume 1 == ~t2_i~0;~t2_st~0 := 0; {82244#(not (= ~E_M~0 0))} is VALID [2022-02-20 19:55:31,472 INFO L290 TraceCheckUtils]: 11: Hoare triple {82244#(not (= ~E_M~0 0))} assume 1 == ~t3_i~0;~t3_st~0 := 0; {82244#(not (= ~E_M~0 0))} is VALID [2022-02-20 19:55:31,473 INFO L290 TraceCheckUtils]: 12: Hoare triple {82244#(not (= ~E_M~0 0))} assume 1 == ~t4_i~0;~t4_st~0 := 0; {82244#(not (= ~E_M~0 0))} is VALID [2022-02-20 19:55:31,473 INFO L290 TraceCheckUtils]: 13: Hoare triple {82244#(not (= ~E_M~0 0))} assume { :end_inline_init_threads2 } true; {82244#(not (= ~E_M~0 0))} is VALID [2022-02-20 19:55:31,474 INFO L272 TraceCheckUtils]: 14: Hoare triple {82244#(not (= ~E_M~0 0))} call fire_delta_events2(); {82308#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} is VALID [2022-02-20 19:55:31,474 INFO L290 TraceCheckUtils]: 15: Hoare triple {82308#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} assume !(0 == ~M_E~0); {82309#(= ~E_M~0 |old(~E_M~0)|)} is VALID [2022-02-20 19:55:31,474 INFO L290 TraceCheckUtils]: 16: Hoare triple {82309#(= ~E_M~0 |old(~E_M~0)|)} assume !(0 == ~T1_E~0); {82309#(= ~E_M~0 |old(~E_M~0)|)} is VALID [2022-02-20 19:55:31,475 INFO L290 TraceCheckUtils]: 17: Hoare triple {82309#(= ~E_M~0 |old(~E_M~0)|)} assume !(0 == ~T2_E~0); {82309#(= ~E_M~0 |old(~E_M~0)|)} is VALID [2022-02-20 19:55:31,475 INFO L290 TraceCheckUtils]: 18: Hoare triple {82309#(= ~E_M~0 |old(~E_M~0)|)} assume !(0 == ~T3_E~0); {82309#(= ~E_M~0 |old(~E_M~0)|)} is VALID [2022-02-20 19:55:31,476 INFO L290 TraceCheckUtils]: 19: Hoare triple {82309#(= ~E_M~0 |old(~E_M~0)|)} assume !(0 == ~T4_E~0); {82309#(= ~E_M~0 |old(~E_M~0)|)} is VALID [2022-02-20 19:55:31,476 INFO L290 TraceCheckUtils]: 20: Hoare triple {82309#(= ~E_M~0 |old(~E_M~0)|)} assume 0 == ~E_M~0;~E_M~0 := 1; {82310#(= |old(~E_M~0)| 0)} is VALID [2022-02-20 19:55:31,476 INFO L290 TraceCheckUtils]: 21: Hoare triple {82310#(= |old(~E_M~0)| 0)} assume 0 == ~E_1~0;~E_1~0 := 1; {82310#(= |old(~E_M~0)| 0)} is VALID [2022-02-20 19:55:31,476 INFO L290 TraceCheckUtils]: 22: Hoare triple {82310#(= |old(~E_M~0)| 0)} assume 0 == ~E_2~0;~E_2~0 := 1; {82310#(= |old(~E_M~0)| 0)} is VALID [2022-02-20 19:55:31,477 INFO L290 TraceCheckUtils]: 23: Hoare triple {82310#(= |old(~E_M~0)| 0)} assume 0 == ~E_3~0;~E_3~0 := 1; {82310#(= |old(~E_M~0)| 0)} is VALID [2022-02-20 19:55:31,477 INFO L290 TraceCheckUtils]: 24: Hoare triple {82310#(= |old(~E_M~0)| 0)} assume 0 == ~E_4~0;~E_4~0 := 1; {82310#(= |old(~E_M~0)| 0)} is VALID [2022-02-20 19:55:31,477 INFO L290 TraceCheckUtils]: 25: Hoare triple {82310#(= |old(~E_M~0)| 0)} assume true; {82310#(= |old(~E_M~0)| 0)} is VALID [2022-02-20 19:55:31,478 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {82310#(= |old(~E_M~0)| 0)} {82244#(not (= ~E_M~0 0))} #940#return; {82243#false} is VALID [2022-02-20 19:55:31,478 INFO L272 TraceCheckUtils]: 27: Hoare triple {82243#false} call activate_threads2(); {82311#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0) (= |old(~t3_st~0)| ~t3_st~0) (= |old(~t4_st~0)| ~t4_st~0))} is VALID [2022-02-20 19:55:31,478 INFO L290 TraceCheckUtils]: 28: Hoare triple {82311#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0) (= |old(~t3_st~0)| ~t3_st~0) (= |old(~t4_st~0)| ~t4_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;havoc ~tmp___2~0#1;havoc ~tmp___3~0#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; {82242#true} is VALID [2022-02-20 19:55:31,478 INFO L290 TraceCheckUtils]: 29: Hoare triple {82242#true} assume 1 == ~m_pc~0; {82242#true} is VALID [2022-02-20 19:55:31,478 INFO L290 TraceCheckUtils]: 30: Hoare triple {82242#true} assume 1 == ~E_M~0;is_master_triggered_~__retres1~4#1 := 1; {82242#true} is VALID [2022-02-20 19:55:31,478 INFO L290 TraceCheckUtils]: 31: Hoare triple {82242#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {82242#true} is VALID [2022-02-20 19:55:31,478 INFO L290 TraceCheckUtils]: 32: Hoare triple {82242#true} #t~ret24#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp~5#1 := #t~ret24#1;havoc #t~ret24#1; {82242#true} is VALID [2022-02-20 19:55:31,478 INFO L290 TraceCheckUtils]: 33: Hoare triple {82242#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {82242#true} is VALID [2022-02-20 19:55:31,478 INFO L290 TraceCheckUtils]: 34: Hoare triple {82242#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; {82242#true} is VALID [2022-02-20 19:55:31,479 INFO L290 TraceCheckUtils]: 35: Hoare triple {82242#true} assume 1 == ~t1_pc~0; {82242#true} is VALID [2022-02-20 19:55:31,479 INFO L290 TraceCheckUtils]: 36: Hoare triple {82242#true} assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~5#1 := 1; {82242#true} is VALID [2022-02-20 19:55:31,479 INFO L290 TraceCheckUtils]: 37: Hoare triple {82242#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {82242#true} is VALID [2022-02-20 19:55:31,479 INFO L290 TraceCheckUtils]: 38: Hoare triple {82242#true} #t~ret25#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___0~2#1 := #t~ret25#1;havoc #t~ret25#1; {82242#true} is VALID [2022-02-20 19:55:31,479 INFO L290 TraceCheckUtils]: 39: Hoare triple {82242#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {82242#true} is VALID [2022-02-20 19:55:31,479 INFO L290 TraceCheckUtils]: 40: Hoare triple {82242#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; {82242#true} is VALID [2022-02-20 19:55:31,479 INFO L290 TraceCheckUtils]: 41: Hoare triple {82242#true} assume !(1 == ~t2_pc~0); {82242#true} is VALID [2022-02-20 19:55:31,479 INFO L290 TraceCheckUtils]: 42: Hoare triple {82242#true} is_transmit2_triggered_~__retres1~6#1 := 0; {82242#true} is VALID [2022-02-20 19:55:31,479 INFO L290 TraceCheckUtils]: 43: Hoare triple {82242#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {82242#true} is VALID [2022-02-20 19:55:31,479 INFO L290 TraceCheckUtils]: 44: Hoare triple {82242#true} #t~ret26#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret26#1 && #t~ret26#1 <= 2147483647;~tmp___1~1#1 := #t~ret26#1;havoc #t~ret26#1; {82242#true} is VALID [2022-02-20 19:55:31,479 INFO L290 TraceCheckUtils]: 45: Hoare triple {82242#true} assume !(0 != ~tmp___1~1#1); {82242#true} is VALID [2022-02-20 19:55:31,480 INFO L290 TraceCheckUtils]: 46: Hoare triple {82242#true} assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~7#1;havoc is_transmit3_triggered_~__retres1~7#1; {82242#true} is VALID [2022-02-20 19:55:31,483 INFO L290 TraceCheckUtils]: 47: Hoare triple {82242#true} assume 1 == ~t3_pc~0; {82242#true} is VALID [2022-02-20 19:55:31,483 INFO L290 TraceCheckUtils]: 48: Hoare triple {82242#true} assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~7#1 := 1; {82242#true} is VALID [2022-02-20 19:55:31,483 INFO L290 TraceCheckUtils]: 49: Hoare triple {82242#true} is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~7#1; {82242#true} is VALID [2022-02-20 19:55:31,483 INFO L290 TraceCheckUtils]: 50: Hoare triple {82242#true} #t~ret27#1 := is_transmit3_triggered_#res#1;assume { :end_inline_is_transmit3_triggered } true;assume -2147483648 <= #t~ret27#1 && #t~ret27#1 <= 2147483647;~tmp___2~0#1 := #t~ret27#1;havoc #t~ret27#1; {82242#true} is VALID [2022-02-20 19:55:31,484 INFO L290 TraceCheckUtils]: 51: Hoare triple {82242#true} assume 0 != ~tmp___2~0#1;~t3_st~0 := 0; {82242#true} is VALID [2022-02-20 19:55:31,484 INFO L290 TraceCheckUtils]: 52: Hoare triple {82242#true} assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~8#1;havoc is_transmit4_triggered_~__retres1~8#1; {82242#true} is VALID [2022-02-20 19:55:31,484 INFO L290 TraceCheckUtils]: 53: Hoare triple {82242#true} assume !(1 == ~t4_pc~0); {82242#true} is VALID [2022-02-20 19:55:31,484 INFO L290 TraceCheckUtils]: 54: Hoare triple {82242#true} is_transmit4_triggered_~__retres1~8#1 := 0; {82242#true} is VALID [2022-02-20 19:55:31,484 INFO L290 TraceCheckUtils]: 55: Hoare triple {82242#true} is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~8#1; {82242#true} is VALID [2022-02-20 19:55:31,484 INFO L290 TraceCheckUtils]: 56: Hoare triple {82242#true} #t~ret28#1 := is_transmit4_triggered_#res#1;assume { :end_inline_is_transmit4_triggered } true;assume -2147483648 <= #t~ret28#1 && #t~ret28#1 <= 2147483647;~tmp___3~0#1 := #t~ret28#1;havoc #t~ret28#1; {82242#true} is VALID [2022-02-20 19:55:31,485 INFO L290 TraceCheckUtils]: 57: Hoare triple {82242#true} assume 0 != ~tmp___3~0#1;~t4_st~0 := 0; {82242#true} is VALID [2022-02-20 19:55:31,485 INFO L290 TraceCheckUtils]: 58: Hoare triple {82242#true} assume true; {82242#true} is VALID [2022-02-20 19:55:31,485 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {82242#true} {82243#false} #942#return; {82243#false} is VALID [2022-02-20 19:55:31,485 INFO L272 TraceCheckUtils]: 60: Hoare triple {82243#false} call reset_delta_events2(); {82308#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} is VALID [2022-02-20 19:55:31,485 INFO L290 TraceCheckUtils]: 61: Hoare triple {82308#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} assume !(1 == ~M_E~0); {82242#true} is VALID [2022-02-20 19:55:31,485 INFO L290 TraceCheckUtils]: 62: Hoare triple {82242#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {82242#true} is VALID [2022-02-20 19:55:31,486 INFO L290 TraceCheckUtils]: 63: Hoare triple {82242#true} assume 1 == ~T2_E~0;~T2_E~0 := 2; {82242#true} is VALID [2022-02-20 19:55:31,486 INFO L290 TraceCheckUtils]: 64: Hoare triple {82242#true} assume 1 == ~T3_E~0;~T3_E~0 := 2; {82242#true} is VALID [2022-02-20 19:55:31,486 INFO L290 TraceCheckUtils]: 65: Hoare triple {82242#true} assume 1 == ~T4_E~0;~T4_E~0 := 2; {82242#true} is VALID [2022-02-20 19:55:31,486 INFO L290 TraceCheckUtils]: 66: Hoare triple {82242#true} assume !(1 == ~E_M~0); {82242#true} is VALID [2022-02-20 19:55:31,486 INFO L290 TraceCheckUtils]: 67: Hoare triple {82242#true} assume 1 == ~E_1~0;~E_1~0 := 2; {82242#true} is VALID [2022-02-20 19:55:31,486 INFO L290 TraceCheckUtils]: 68: Hoare triple {82242#true} assume 1 == ~E_2~0;~E_2~0 := 2; {82242#true} is VALID [2022-02-20 19:55:31,487 INFO L290 TraceCheckUtils]: 69: Hoare triple {82242#true} assume 1 == ~E_3~0;~E_3~0 := 2; {82242#true} is VALID [2022-02-20 19:55:31,487 INFO L290 TraceCheckUtils]: 70: Hoare triple {82242#true} assume 1 == ~E_4~0;~E_4~0 := 2; {82242#true} is VALID [2022-02-20 19:55:31,487 INFO L290 TraceCheckUtils]: 71: Hoare triple {82242#true} assume true; {82242#true} is VALID [2022-02-20 19:55:31,487 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {82242#true} {82243#false} #944#return; {82243#false} is VALID [2022-02-20 19:55:31,487 INFO L290 TraceCheckUtils]: 73: Hoare triple {82243#false} assume !false; {82243#false} is VALID [2022-02-20 19:55:31,487 INFO L290 TraceCheckUtils]: 74: Hoare triple {82243#false} start_simulation2_~kernel_st~1#1 := 1;assume { :begin_inline_eval2 } true;havoc eval2_#t~ret18#1, eval2_#t~nondet19#1, eval2_~tmp_ndt_1~0#1, eval2_#t~nondet20#1, eval2_~tmp_ndt_2~0#1, eval2_#t~nondet21#1, eval2_~tmp_ndt_3~0#1, eval2_#t~nondet22#1, eval2_~tmp_ndt_4~0#1, eval2_#t~nondet23#1, eval2_~tmp_ndt_5~0#1, eval2_~tmp~4#1;havoc eval2_~tmp~4#1; {82243#false} is VALID [2022-02-20 19:55:31,488 INFO L290 TraceCheckUtils]: 75: Hoare triple {82243#false} assume !false; {82243#false} is VALID [2022-02-20 19:55:31,488 INFO L272 TraceCheckUtils]: 76: Hoare triple {82243#false} call eval2_#t~ret18#1 := exists_runnable_thread2(); {82242#true} is VALID [2022-02-20 19:55:31,488 INFO L290 TraceCheckUtils]: 77: Hoare triple {82242#true} havoc ~__retres1~9; {82242#true} is VALID [2022-02-20 19:55:31,488 INFO L290 TraceCheckUtils]: 78: Hoare triple {82242#true} assume 0 == ~m_st~0;~__retres1~9 := 1; {82242#true} is VALID [2022-02-20 19:55:31,488 INFO L290 TraceCheckUtils]: 79: Hoare triple {82242#true} #res := ~__retres1~9; {82242#true} is VALID [2022-02-20 19:55:31,488 INFO L290 TraceCheckUtils]: 80: Hoare triple {82242#true} assume true; {82242#true} is VALID [2022-02-20 19:55:31,489 INFO L284 TraceCheckUtils]: 81: Hoare quadruple {82242#true} {82243#false} #946#return; {82243#false} is VALID [2022-02-20 19:55:31,489 INFO L290 TraceCheckUtils]: 82: Hoare triple {82243#false} assume -2147483648 <= eval2_#t~ret18#1 && eval2_#t~ret18#1 <= 2147483647;eval2_~tmp~4#1 := eval2_#t~ret18#1;havoc eval2_#t~ret18#1; {82243#false} is VALID [2022-02-20 19:55:31,489 INFO L290 TraceCheckUtils]: 83: Hoare triple {82243#false} assume 0 != eval2_~tmp~4#1; {82243#false} is VALID [2022-02-20 19:55:31,489 INFO L290 TraceCheckUtils]: 84: Hoare triple {82243#false} assume 0 == ~m_st~0;havoc eval2_~tmp_ndt_1~0#1;assume -2147483648 <= eval2_#t~nondet19#1 && eval2_#t~nondet19#1 <= 2147483647;eval2_~tmp_ndt_1~0#1 := eval2_#t~nondet19#1;havoc eval2_#t~nondet19#1; {82243#false} is VALID [2022-02-20 19:55:31,489 INFO L290 TraceCheckUtils]: 85: Hoare triple {82243#false} assume 0 != eval2_~tmp_ndt_1~0#1;~m_st~0 := 1;assume { :begin_inline_master } true;havoc master_#t~nondet17#1; {82243#false} is VALID [2022-02-20 19:55:31,490 INFO L290 TraceCheckUtils]: 86: Hoare triple {82243#false} assume !(0 == ~m_pc~0); {82243#false} is VALID [2022-02-20 19:55:31,490 INFO L290 TraceCheckUtils]: 87: Hoare triple {82243#false} assume 1 == ~m_pc~0; {82243#false} is VALID [2022-02-20 19:55:31,490 INFO L290 TraceCheckUtils]: 88: Hoare triple {82243#false} assume ~token~0 != 4 + ~local~0;assume { :begin_inline_error2 } true; {82243#false} is VALID [2022-02-20 19:55:31,490 INFO L290 TraceCheckUtils]: 89: Hoare triple {82243#false} assume !false; {82243#false} is VALID [2022-02-20 19:55:31,491 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 19:55:31,492 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:55:31,492 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050012680] [2022-02-20 19:55:31,492 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050012680] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:55:31,492 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 19:55:31,492 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 19:55:31,492 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726276499] [2022-02-20 19:55:31,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:55:31,493 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 90 [2022-02-20 19:55:31,493 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:55:31,494 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:31,553 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 90 edges. 90 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:31,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 19:55:31,554 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:55:31,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 19:55:31,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-20 19:55:31,555 INFO L87 Difference]: Start difference. First operand 2405 states and 3408 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:34,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:34,149 INFO L93 Difference]: Finished difference Result 4291 states and 6337 transitions. [2022-02-20 19:55:34,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 19:55:34,149 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 90 [2022-02-20 19:55:34,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 19:55:34,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:34,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 711 transitions. [2022-02-20 19:55:34,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:34,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 711 transitions. [2022-02-20 19:55:34,155 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 711 transitions. [2022-02-20 19:55:34,668 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 711 edges. 711 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:34,994 INFO L225 Difference]: With dead ends: 4291 [2022-02-20 19:55:34,994 INFO L226 Difference]: Without dead ends: 2846 [2022-02-20 19:55:34,997 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 19:55:34,997 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 625 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-20 19:55:34,998 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [641 Valid, 960 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-20 19:55:35,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2846 states. [2022-02-20 19:55:35,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2846 to 2405. [2022-02-20 19:55:35,282 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 19:55:35,285 INFO L82 GeneralOperation]: Start isEquivalent. First operand 2846 states. Second operand has 2405 states, 2117 states have (on average 1.4034010392064242) internal successors, (2971), 2142 states have internal predecessors, (2971), 179 states have call successors, (179), 91 states have call predecessors, (179), 107 states have return successors, (249), 179 states have call predecessors, (249), 178 states have call successors, (249) [2022-02-20 19:55:35,287 INFO L74 IsIncluded]: Start isIncluded. First operand 2846 states. Second operand has 2405 states, 2117 states have (on average 1.4034010392064242) internal successors, (2971), 2142 states have internal predecessors, (2971), 179 states have call successors, (179), 91 states have call predecessors, (179), 107 states have return successors, (249), 179 states have call predecessors, (249), 178 states have call successors, (249) [2022-02-20 19:55:35,289 INFO L87 Difference]: Start difference. First operand 2846 states. Second operand has 2405 states, 2117 states have (on average 1.4034010392064242) internal successors, (2971), 2142 states have internal predecessors, (2971), 179 states have call successors, (179), 91 states have call predecessors, (179), 107 states have return successors, (249), 179 states have call predecessors, (249), 178 states have call successors, (249) [2022-02-20 19:55:35,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:35,595 INFO L93 Difference]: Finished difference Result 2846 states and 4127 transitions. [2022-02-20 19:55:35,595 INFO L276 IsEmpty]: Start isEmpty. Operand 2846 states and 4127 transitions. [2022-02-20 19:55:35,599 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:35,599 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:35,602 INFO L74 IsIncluded]: Start isIncluded. First operand has 2405 states, 2117 states have (on average 1.4034010392064242) internal successors, (2971), 2142 states have internal predecessors, (2971), 179 states have call successors, (179), 91 states have call predecessors, (179), 107 states have return successors, (249), 179 states have call predecessors, (249), 178 states have call successors, (249) Second operand 2846 states. [2022-02-20 19:55:35,604 INFO L87 Difference]: Start difference. First operand has 2405 states, 2117 states have (on average 1.4034010392064242) internal successors, (2971), 2142 states have internal predecessors, (2971), 179 states have call successors, (179), 91 states have call predecessors, (179), 107 states have return successors, (249), 179 states have call predecessors, (249), 178 states have call successors, (249) Second operand 2846 states. [2022-02-20 19:55:35,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 19:55:35,820 INFO L93 Difference]: Finished difference Result 2846 states and 4127 transitions. [2022-02-20 19:55:35,820 INFO L276 IsEmpty]: Start isEmpty. Operand 2846 states and 4127 transitions. [2022-02-20 19:55:35,824 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 19:55:35,824 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 19:55:35,824 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 19:55:35,824 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 19:55:35,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2405 states, 2117 states have (on average 1.4034010392064242) internal successors, (2971), 2142 states have internal predecessors, (2971), 179 states have call successors, (179), 91 states have call predecessors, (179), 107 states have return successors, (249), 179 states have call predecessors, (249), 178 states have call successors, (249) [2022-02-20 19:55:36,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 2405 states and 3399 transitions. [2022-02-20 19:55:36,061 INFO L78 Accepts]: Start accepts. Automaton has 2405 states and 3399 transitions. Word has length 90 [2022-02-20 19:55:36,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 19:55:36,061 INFO L470 AbstractCegarLoop]: Abstraction has 2405 states and 3399 transitions. [2022-02-20 19:55:36,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:36,062 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 3399 transitions. [2022-02-20 19:55:36,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-02-20 19:55:36,063 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 19:55:36,063 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 19:55:36,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-20 19:55:36,064 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 19:55:36,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 19:55:36,064 INFO L85 PathProgramCache]: Analyzing trace with hash -530731645, now seen corresponding path program 1 times [2022-02-20 19:55:36,064 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 19:55:36,064 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418110939] [2022-02-20 19:55:36,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 19:55:36,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 19:55:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:36,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-02-20 19:55:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:36,087 INFO L290 TraceCheckUtils]: 0: Hoare triple {96881#true} assume true; {96881#true} is VALID [2022-02-20 19:55:36,088 INFO L284 TraceCheckUtils]: 1: Hoare quadruple {96881#true} {96883#(= ~E_1~0 ~M_E~0)} #938#return; {96883#(= ~E_1~0 ~M_E~0)} is VALID [2022-02-20 19:55:36,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-02-20 19:55:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:36,117 INFO L290 TraceCheckUtils]: 0: Hoare triple {96947#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} assume !(0 == ~M_E~0); {96948#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:36,117 INFO L290 TraceCheckUtils]: 1: Hoare triple {96948#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~T1_E~0); {96948#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:36,118 INFO L290 TraceCheckUtils]: 2: Hoare triple {96948#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~T2_E~0); {96948#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:36,118 INFO L290 TraceCheckUtils]: 3: Hoare triple {96948#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~T3_E~0); {96948#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:36,119 INFO L290 TraceCheckUtils]: 4: Hoare triple {96948#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~T4_E~0); {96948#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:36,119 INFO L290 TraceCheckUtils]: 5: Hoare triple {96948#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~E_M~0); {96948#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:36,119 INFO L290 TraceCheckUtils]: 6: Hoare triple {96948#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} assume 0 == ~E_1~0;~E_1~0 := 1; {96949#(not (= |old(~E_1~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:36,120 INFO L290 TraceCheckUtils]: 7: Hoare triple {96949#(not (= |old(~E_1~0)| |old(~M_E~0)|))} assume 0 == ~E_2~0;~E_2~0 := 1; {96949#(not (= |old(~E_1~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:36,120 INFO L290 TraceCheckUtils]: 8: Hoare triple {96949#(not (= |old(~E_1~0)| |old(~M_E~0)|))} assume 0 == ~E_3~0;~E_3~0 := 1; {96949#(not (= |old(~E_1~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:36,121 INFO L290 TraceCheckUtils]: 9: Hoare triple {96949#(not (= |old(~E_1~0)| |old(~M_E~0)|))} assume 0 == ~E_4~0;~E_4~0 := 1; {96949#(not (= |old(~E_1~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:36,121 INFO L290 TraceCheckUtils]: 10: Hoare triple {96949#(not (= |old(~E_1~0)| |old(~M_E~0)|))} assume true; {96949#(not (= |old(~E_1~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:36,121 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {96949#(not (= |old(~E_1~0)| |old(~M_E~0)|))} {96883#(= ~E_1~0 ~M_E~0)} #940#return; {96882#false} is VALID [2022-02-20 19:55:36,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-02-20 19:55:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:36,139 INFO L290 TraceCheckUtils]: 0: Hoare triple {96950#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0) (= |old(~t3_st~0)| ~t3_st~0) (= |old(~t4_st~0)| ~t4_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;havoc ~tmp___2~0#1;havoc ~tmp___3~0#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; {96881#true} is VALID [2022-02-20 19:55:36,139 INFO L290 TraceCheckUtils]: 1: Hoare triple {96881#true} assume 1 == ~m_pc~0; {96881#true} is VALID [2022-02-20 19:55:36,140 INFO L290 TraceCheckUtils]: 2: Hoare triple {96881#true} assume 1 == ~E_M~0;is_master_triggered_~__retres1~4#1 := 1; {96881#true} is VALID [2022-02-20 19:55:36,140 INFO L290 TraceCheckUtils]: 3: Hoare triple {96881#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {96881#true} is VALID [2022-02-20 19:55:36,140 INFO L290 TraceCheckUtils]: 4: Hoare triple {96881#true} #t~ret24#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp~5#1 := #t~ret24#1;havoc #t~ret24#1; {96881#true} is VALID [2022-02-20 19:55:36,140 INFO L290 TraceCheckUtils]: 5: Hoare triple {96881#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {96881#true} is VALID [2022-02-20 19:55:36,140 INFO L290 TraceCheckUtils]: 6: Hoare triple {96881#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; {96881#true} is VALID [2022-02-20 19:55:36,140 INFO L290 TraceCheckUtils]: 7: Hoare triple {96881#true} assume 1 == ~t1_pc~0; {96881#true} is VALID [2022-02-20 19:55:36,140 INFO L290 TraceCheckUtils]: 8: Hoare triple {96881#true} assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~5#1 := 1; {96881#true} is VALID [2022-02-20 19:55:36,141 INFO L290 TraceCheckUtils]: 9: Hoare triple {96881#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {96881#true} is VALID [2022-02-20 19:55:36,141 INFO L290 TraceCheckUtils]: 10: Hoare triple {96881#true} #t~ret25#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___0~2#1 := #t~ret25#1;havoc #t~ret25#1; {96881#true} is VALID [2022-02-20 19:55:36,141 INFO L290 TraceCheckUtils]: 11: Hoare triple {96881#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {96881#true} is VALID [2022-02-20 19:55:36,141 INFO L290 TraceCheckUtils]: 12: Hoare triple {96881#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; {96881#true} is VALID [2022-02-20 19:55:36,141 INFO L290 TraceCheckUtils]: 13: Hoare triple {96881#true} assume !(1 == ~t2_pc~0); {96881#true} is VALID [2022-02-20 19:55:36,141 INFO L290 TraceCheckUtils]: 14: Hoare triple {96881#true} is_transmit2_triggered_~__retres1~6#1 := 0; {96881#true} is VALID [2022-02-20 19:55:36,142 INFO L290 TraceCheckUtils]: 15: Hoare triple {96881#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {96881#true} is VALID [2022-02-20 19:55:36,142 INFO L290 TraceCheckUtils]: 16: Hoare triple {96881#true} #t~ret26#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret26#1 && #t~ret26#1 <= 2147483647;~tmp___1~1#1 := #t~ret26#1;havoc #t~ret26#1; {96881#true} is VALID [2022-02-20 19:55:36,142 INFO L290 TraceCheckUtils]: 17: Hoare triple {96881#true} assume !(0 != ~tmp___1~1#1); {96881#true} is VALID [2022-02-20 19:55:36,142 INFO L290 TraceCheckUtils]: 18: Hoare triple {96881#true} assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~7#1;havoc is_transmit3_triggered_~__retres1~7#1; {96881#true} is VALID [2022-02-20 19:55:36,142 INFO L290 TraceCheckUtils]: 19: Hoare triple {96881#true} assume 1 == ~t3_pc~0; {96881#true} is VALID [2022-02-20 19:55:36,142 INFO L290 TraceCheckUtils]: 20: Hoare triple {96881#true} assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~7#1 := 1; {96881#true} is VALID [2022-02-20 19:55:36,142 INFO L290 TraceCheckUtils]: 21: Hoare triple {96881#true} is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~7#1; {96881#true} is VALID [2022-02-20 19:55:36,143 INFO L290 TraceCheckUtils]: 22: Hoare triple {96881#true} #t~ret27#1 := is_transmit3_triggered_#res#1;assume { :end_inline_is_transmit3_triggered } true;assume -2147483648 <= #t~ret27#1 && #t~ret27#1 <= 2147483647;~tmp___2~0#1 := #t~ret27#1;havoc #t~ret27#1; {96881#true} is VALID [2022-02-20 19:55:36,143 INFO L290 TraceCheckUtils]: 23: Hoare triple {96881#true} assume 0 != ~tmp___2~0#1;~t3_st~0 := 0; {96881#true} is VALID [2022-02-20 19:55:36,143 INFO L290 TraceCheckUtils]: 24: Hoare triple {96881#true} assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~8#1;havoc is_transmit4_triggered_~__retres1~8#1; {96881#true} is VALID [2022-02-20 19:55:36,143 INFO L290 TraceCheckUtils]: 25: Hoare triple {96881#true} assume !(1 == ~t4_pc~0); {96881#true} is VALID [2022-02-20 19:55:36,143 INFO L290 TraceCheckUtils]: 26: Hoare triple {96881#true} is_transmit4_triggered_~__retres1~8#1 := 0; {96881#true} is VALID [2022-02-20 19:55:36,143 INFO L290 TraceCheckUtils]: 27: Hoare triple {96881#true} is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~8#1; {96881#true} is VALID [2022-02-20 19:55:36,143 INFO L290 TraceCheckUtils]: 28: Hoare triple {96881#true} #t~ret28#1 := is_transmit4_triggered_#res#1;assume { :end_inline_is_transmit4_triggered } true;assume -2147483648 <= #t~ret28#1 && #t~ret28#1 <= 2147483647;~tmp___3~0#1 := #t~ret28#1;havoc #t~ret28#1; {96881#true} is VALID [2022-02-20 19:55:36,144 INFO L290 TraceCheckUtils]: 29: Hoare triple {96881#true} assume 0 != ~tmp___3~0#1;~t4_st~0 := 0; {96881#true} is VALID [2022-02-20 19:55:36,144 INFO L290 TraceCheckUtils]: 30: Hoare triple {96881#true} assume true; {96881#true} is VALID [2022-02-20 19:55:36,144 INFO L284 TraceCheckUtils]: 31: Hoare quadruple {96881#true} {96882#false} #942#return; {96882#false} is VALID [2022-02-20 19:55:36,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-02-20 19:55:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:36,149 INFO L290 TraceCheckUtils]: 0: Hoare triple {96947#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} assume !(1 == ~M_E~0); {96881#true} is VALID [2022-02-20 19:55:36,149 INFO L290 TraceCheckUtils]: 1: Hoare triple {96881#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {96881#true} is VALID [2022-02-20 19:55:36,149 INFO L290 TraceCheckUtils]: 2: Hoare triple {96881#true} assume 1 == ~T2_E~0;~T2_E~0 := 2; {96881#true} is VALID [2022-02-20 19:55:36,149 INFO L290 TraceCheckUtils]: 3: Hoare triple {96881#true} assume 1 == ~T3_E~0;~T3_E~0 := 2; {96881#true} is VALID [2022-02-20 19:55:36,149 INFO L290 TraceCheckUtils]: 4: Hoare triple {96881#true} assume 1 == ~T4_E~0;~T4_E~0 := 2; {96881#true} is VALID [2022-02-20 19:55:36,150 INFO L290 TraceCheckUtils]: 5: Hoare triple {96881#true} assume !(1 == ~E_M~0); {96881#true} is VALID [2022-02-20 19:55:36,150 INFO L290 TraceCheckUtils]: 6: Hoare triple {96881#true} assume 1 == ~E_1~0;~E_1~0 := 2; {96881#true} is VALID [2022-02-20 19:55:36,150 INFO L290 TraceCheckUtils]: 7: Hoare triple {96881#true} assume 1 == ~E_2~0;~E_2~0 := 2; {96881#true} is VALID [2022-02-20 19:55:36,150 INFO L290 TraceCheckUtils]: 8: Hoare triple {96881#true} assume 1 == ~E_3~0;~E_3~0 := 2; {96881#true} is VALID [2022-02-20 19:55:36,150 INFO L290 TraceCheckUtils]: 9: Hoare triple {96881#true} assume 1 == ~E_4~0;~E_4~0 := 2; {96881#true} is VALID [2022-02-20 19:55:36,150 INFO L290 TraceCheckUtils]: 10: Hoare triple {96881#true} assume true; {96881#true} is VALID [2022-02-20 19:55:36,150 INFO L284 TraceCheckUtils]: 11: Hoare quadruple {96881#true} {96882#false} #944#return; {96882#false} is VALID [2022-02-20 19:55:36,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-02-20 19:55:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 19:55:36,153 INFO L290 TraceCheckUtils]: 0: Hoare triple {96881#true} havoc ~__retres1~9; {96881#true} is VALID [2022-02-20 19:55:36,154 INFO L290 TraceCheckUtils]: 1: Hoare triple {96881#true} assume 0 == ~m_st~0;~__retres1~9 := 1; {96881#true} is VALID [2022-02-20 19:55:36,154 INFO L290 TraceCheckUtils]: 2: Hoare triple {96881#true} #res := ~__retres1~9; {96881#true} is VALID [2022-02-20 19:55:36,154 INFO L290 TraceCheckUtils]: 3: Hoare triple {96881#true} assume true; {96881#true} is VALID [2022-02-20 19:55:36,154 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {96881#true} {96882#false} #946#return; {96882#false} is VALID [2022-02-20 19:55:36,155 INFO L290 TraceCheckUtils]: 0: Hoare triple {96881#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;~t3_pc~0 := 0;~t4_pc~0 := 0;~m_st~0 := 0;~t1_st~0 := 0;~t2_st~0 := 0;~t3_st~0 := 0;~t4_st~0 := 0;~m_i~0 := 0;~t1_i~0 := 0;~t2_i~0 := 0;~t3_i~0 := 0;~t4_i~0 := 0;~M_E~0 := 2;~T1_E~0 := 2;~T2_E~0 := 2;~T3_E~0 := 2;~T4_E~0 := 2;~E_M~0 := 2;~E_1~0 := 2;~E_2~0 := 2;~E_3~0 := 2;~E_4~0 := 2;~token~0 := 0;~local~0 := 0; {96883#(= ~E_1~0 ~M_E~0)} is VALID [2022-02-20 19:55:36,155 INFO L290 TraceCheckUtils]: 1: Hoare triple {96883#(= ~E_1~0 ~M_E~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet32#1, main_#t~ret33#1, main_#t~ret34#1;assume -2147483648 <= main_#t~nondet32#1 && main_#t~nondet32#1 <= 2147483647; {96883#(= ~E_1~0 ~M_E~0)} is VALID [2022-02-20 19:55:36,156 INFO L290 TraceCheckUtils]: 2: Hoare triple {96883#(= ~E_1~0 ~M_E~0)} assume !(0 != main_#t~nondet32#1);havoc main_#t~nondet32#1;assume { :begin_inline_main2 } true;havoc main2_#res#1;havoc main2_~__retres1~10#1;havoc main2_~__retres1~10#1;assume { :begin_inline_init_model2 } true;~m_i~0 := 1;~t1_i~0 := 1;~t2_i~0 := 1;~t3_i~0 := 1;~t4_i~0 := 1; {96883#(= ~E_1~0 ~M_E~0)} is VALID [2022-02-20 19:55:36,156 INFO L290 TraceCheckUtils]: 3: Hoare triple {96883#(= ~E_1~0 ~M_E~0)} assume { :end_inline_init_model2 } true;assume { :begin_inline_start_simulation2 } true;havoc start_simulation2_#t~ret30#1, start_simulation2_#t~ret31#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; {96883#(= ~E_1~0 ~M_E~0)} is VALID [2022-02-20 19:55:36,156 INFO L272 TraceCheckUtils]: 4: Hoare triple {96883#(= ~E_1~0 ~M_E~0)} call update_channels2(); {96881#true} is VALID [2022-02-20 19:55:36,156 INFO L290 TraceCheckUtils]: 5: Hoare triple {96881#true} assume true; {96881#true} is VALID [2022-02-20 19:55:36,157 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {96881#true} {96883#(= ~E_1~0 ~M_E~0)} #938#return; {96883#(= ~E_1~0 ~M_E~0)} is VALID [2022-02-20 19:55:36,157 INFO L290 TraceCheckUtils]: 7: Hoare triple {96883#(= ~E_1~0 ~M_E~0)} assume { :begin_inline_init_threads2 } true; {96883#(= ~E_1~0 ~M_E~0)} is VALID [2022-02-20 19:55:36,157 INFO L290 TraceCheckUtils]: 8: Hoare triple {96883#(= ~E_1~0 ~M_E~0)} assume 1 == ~m_i~0;~m_st~0 := 0; {96883#(= ~E_1~0 ~M_E~0)} is VALID [2022-02-20 19:55:36,158 INFO L290 TraceCheckUtils]: 9: Hoare triple {96883#(= ~E_1~0 ~M_E~0)} assume 1 == ~t1_i~0;~t1_st~0 := 0; {96883#(= ~E_1~0 ~M_E~0)} is VALID [2022-02-20 19:55:36,158 INFO L290 TraceCheckUtils]: 10: Hoare triple {96883#(= ~E_1~0 ~M_E~0)} assume 1 == ~t2_i~0;~t2_st~0 := 0; {96883#(= ~E_1~0 ~M_E~0)} is VALID [2022-02-20 19:55:36,158 INFO L290 TraceCheckUtils]: 11: Hoare triple {96883#(= ~E_1~0 ~M_E~0)} assume 1 == ~t3_i~0;~t3_st~0 := 0; {96883#(= ~E_1~0 ~M_E~0)} is VALID [2022-02-20 19:55:36,159 INFO L290 TraceCheckUtils]: 12: Hoare triple {96883#(= ~E_1~0 ~M_E~0)} assume 1 == ~t4_i~0;~t4_st~0 := 0; {96883#(= ~E_1~0 ~M_E~0)} is VALID [2022-02-20 19:55:36,159 INFO L290 TraceCheckUtils]: 13: Hoare triple {96883#(= ~E_1~0 ~M_E~0)} assume { :end_inline_init_threads2 } true; {96883#(= ~E_1~0 ~M_E~0)} is VALID [2022-02-20 19:55:36,160 INFO L272 TraceCheckUtils]: 14: Hoare triple {96883#(= ~E_1~0 ~M_E~0)} call fire_delta_events2(); {96947#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} is VALID [2022-02-20 19:55:36,160 INFO L290 TraceCheckUtils]: 15: Hoare triple {96947#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} assume !(0 == ~M_E~0); {96948#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:36,161 INFO L290 TraceCheckUtils]: 16: Hoare triple {96948#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~T1_E~0); {96948#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:36,161 INFO L290 TraceCheckUtils]: 17: Hoare triple {96948#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~T2_E~0); {96948#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:36,162 INFO L290 TraceCheckUtils]: 18: Hoare triple {96948#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~T3_E~0); {96948#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:36,162 INFO L290 TraceCheckUtils]: 19: Hoare triple {96948#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~T4_E~0); {96948#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:36,162 INFO L290 TraceCheckUtils]: 20: Hoare triple {96948#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} assume !(0 == ~E_M~0); {96948#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} is VALID [2022-02-20 19:55:36,163 INFO L290 TraceCheckUtils]: 21: Hoare triple {96948#(and (= ~E_1~0 |old(~E_1~0)|) (not (= |old(~M_E~0)| 0)))} assume 0 == ~E_1~0;~E_1~0 := 1; {96949#(not (= |old(~E_1~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:36,163 INFO L290 TraceCheckUtils]: 22: Hoare triple {96949#(not (= |old(~E_1~0)| |old(~M_E~0)|))} assume 0 == ~E_2~0;~E_2~0 := 1; {96949#(not (= |old(~E_1~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:36,163 INFO L290 TraceCheckUtils]: 23: Hoare triple {96949#(not (= |old(~E_1~0)| |old(~M_E~0)|))} assume 0 == ~E_3~0;~E_3~0 := 1; {96949#(not (= |old(~E_1~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:36,164 INFO L290 TraceCheckUtils]: 24: Hoare triple {96949#(not (= |old(~E_1~0)| |old(~M_E~0)|))} assume 0 == ~E_4~0;~E_4~0 := 1; {96949#(not (= |old(~E_1~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:36,164 INFO L290 TraceCheckUtils]: 25: Hoare triple {96949#(not (= |old(~E_1~0)| |old(~M_E~0)|))} assume true; {96949#(not (= |old(~E_1~0)| |old(~M_E~0)|))} is VALID [2022-02-20 19:55:36,165 INFO L284 TraceCheckUtils]: 26: Hoare quadruple {96949#(not (= |old(~E_1~0)| |old(~M_E~0)|))} {96883#(= ~E_1~0 ~M_E~0)} #940#return; {96882#false} is VALID [2022-02-20 19:55:36,165 INFO L272 TraceCheckUtils]: 27: Hoare triple {96882#false} call activate_threads2(); {96950#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0) (= |old(~t3_st~0)| ~t3_st~0) (= |old(~t4_st~0)| ~t4_st~0))} is VALID [2022-02-20 19:55:36,165 INFO L290 TraceCheckUtils]: 28: Hoare triple {96950#(and (= |old(~t1_st~0)| ~t1_st~0) (= ~m_st~0 |old(~m_st~0)|) (= |old(~t2_st~0)| ~t2_st~0) (= |old(~t3_st~0)| ~t3_st~0) (= |old(~t4_st~0)| ~t4_st~0))} havoc ~tmp~5#1;havoc ~tmp___0~2#1;havoc ~tmp___1~1#1;havoc ~tmp___2~0#1;havoc ~tmp___3~0#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; {96881#true} is VALID [2022-02-20 19:55:36,165 INFO L290 TraceCheckUtils]: 29: Hoare triple {96881#true} assume 1 == ~m_pc~0; {96881#true} is VALID [2022-02-20 19:55:36,165 INFO L290 TraceCheckUtils]: 30: Hoare triple {96881#true} assume 1 == ~E_M~0;is_master_triggered_~__retres1~4#1 := 1; {96881#true} is VALID [2022-02-20 19:55:36,165 INFO L290 TraceCheckUtils]: 31: Hoare triple {96881#true} is_master_triggered_#res#1 := is_master_triggered_~__retres1~4#1; {96881#true} is VALID [2022-02-20 19:55:36,166 INFO L290 TraceCheckUtils]: 32: Hoare triple {96881#true} #t~ret24#1 := is_master_triggered_#res#1;assume { :end_inline_is_master_triggered } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647;~tmp~5#1 := #t~ret24#1;havoc #t~ret24#1; {96881#true} is VALID [2022-02-20 19:55:36,166 INFO L290 TraceCheckUtils]: 33: Hoare triple {96881#true} assume 0 != ~tmp~5#1;~m_st~0 := 0; {96881#true} is VALID [2022-02-20 19:55:36,166 INFO L290 TraceCheckUtils]: 34: Hoare triple {96881#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; {96881#true} is VALID [2022-02-20 19:55:36,166 INFO L290 TraceCheckUtils]: 35: Hoare triple {96881#true} assume 1 == ~t1_pc~0; {96881#true} is VALID [2022-02-20 19:55:36,166 INFO L290 TraceCheckUtils]: 36: Hoare triple {96881#true} assume 1 == ~E_1~0;is_transmit1_triggered_~__retres1~5#1 := 1; {96881#true} is VALID [2022-02-20 19:55:36,166 INFO L290 TraceCheckUtils]: 37: Hoare triple {96881#true} is_transmit1_triggered_#res#1 := is_transmit1_triggered_~__retres1~5#1; {96881#true} is VALID [2022-02-20 19:55:36,166 INFO L290 TraceCheckUtils]: 38: Hoare triple {96881#true} #t~ret25#1 := is_transmit1_triggered_#res#1;assume { :end_inline_is_transmit1_triggered } true;assume -2147483648 <= #t~ret25#1 && #t~ret25#1 <= 2147483647;~tmp___0~2#1 := #t~ret25#1;havoc #t~ret25#1; {96881#true} is VALID [2022-02-20 19:55:36,167 INFO L290 TraceCheckUtils]: 39: Hoare triple {96881#true} assume 0 != ~tmp___0~2#1;~t1_st~0 := 0; {96881#true} is VALID [2022-02-20 19:55:36,167 INFO L290 TraceCheckUtils]: 40: Hoare triple {96881#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; {96881#true} is VALID [2022-02-20 19:55:36,167 INFO L290 TraceCheckUtils]: 41: Hoare triple {96881#true} assume !(1 == ~t2_pc~0); {96881#true} is VALID [2022-02-20 19:55:36,167 INFO L290 TraceCheckUtils]: 42: Hoare triple {96881#true} is_transmit2_triggered_~__retres1~6#1 := 0; {96881#true} is VALID [2022-02-20 19:55:36,167 INFO L290 TraceCheckUtils]: 43: Hoare triple {96881#true} is_transmit2_triggered_#res#1 := is_transmit2_triggered_~__retres1~6#1; {96881#true} is VALID [2022-02-20 19:55:36,167 INFO L290 TraceCheckUtils]: 44: Hoare triple {96881#true} #t~ret26#1 := is_transmit2_triggered_#res#1;assume { :end_inline_is_transmit2_triggered } true;assume -2147483648 <= #t~ret26#1 && #t~ret26#1 <= 2147483647;~tmp___1~1#1 := #t~ret26#1;havoc #t~ret26#1; {96881#true} is VALID [2022-02-20 19:55:36,168 INFO L290 TraceCheckUtils]: 45: Hoare triple {96881#true} assume !(0 != ~tmp___1~1#1); {96881#true} is VALID [2022-02-20 19:55:36,168 INFO L290 TraceCheckUtils]: 46: Hoare triple {96881#true} assume { :begin_inline_is_transmit3_triggered } true;havoc is_transmit3_triggered_#res#1;havoc is_transmit3_triggered_~__retres1~7#1;havoc is_transmit3_triggered_~__retres1~7#1; {96881#true} is VALID [2022-02-20 19:55:36,168 INFO L290 TraceCheckUtils]: 47: Hoare triple {96881#true} assume 1 == ~t3_pc~0; {96881#true} is VALID [2022-02-20 19:55:36,168 INFO L290 TraceCheckUtils]: 48: Hoare triple {96881#true} assume 1 == ~E_3~0;is_transmit3_triggered_~__retres1~7#1 := 1; {96881#true} is VALID [2022-02-20 19:55:36,168 INFO L290 TraceCheckUtils]: 49: Hoare triple {96881#true} is_transmit3_triggered_#res#1 := is_transmit3_triggered_~__retres1~7#1; {96881#true} is VALID [2022-02-20 19:55:36,168 INFO L290 TraceCheckUtils]: 50: Hoare triple {96881#true} #t~ret27#1 := is_transmit3_triggered_#res#1;assume { :end_inline_is_transmit3_triggered } true;assume -2147483648 <= #t~ret27#1 && #t~ret27#1 <= 2147483647;~tmp___2~0#1 := #t~ret27#1;havoc #t~ret27#1; {96881#true} is VALID [2022-02-20 19:55:36,168 INFO L290 TraceCheckUtils]: 51: Hoare triple {96881#true} assume 0 != ~tmp___2~0#1;~t3_st~0 := 0; {96881#true} is VALID [2022-02-20 19:55:36,169 INFO L290 TraceCheckUtils]: 52: Hoare triple {96881#true} assume { :begin_inline_is_transmit4_triggered } true;havoc is_transmit4_triggered_#res#1;havoc is_transmit4_triggered_~__retres1~8#1;havoc is_transmit4_triggered_~__retres1~8#1; {96881#true} is VALID [2022-02-20 19:55:36,169 INFO L290 TraceCheckUtils]: 53: Hoare triple {96881#true} assume !(1 == ~t4_pc~0); {96881#true} is VALID [2022-02-20 19:55:36,169 INFO L290 TraceCheckUtils]: 54: Hoare triple {96881#true} is_transmit4_triggered_~__retres1~8#1 := 0; {96881#true} is VALID [2022-02-20 19:55:36,169 INFO L290 TraceCheckUtils]: 55: Hoare triple {96881#true} is_transmit4_triggered_#res#1 := is_transmit4_triggered_~__retres1~8#1; {96881#true} is VALID [2022-02-20 19:55:36,169 INFO L290 TraceCheckUtils]: 56: Hoare triple {96881#true} #t~ret28#1 := is_transmit4_triggered_#res#1;assume { :end_inline_is_transmit4_triggered } true;assume -2147483648 <= #t~ret28#1 && #t~ret28#1 <= 2147483647;~tmp___3~0#1 := #t~ret28#1;havoc #t~ret28#1; {96881#true} is VALID [2022-02-20 19:55:36,169 INFO L290 TraceCheckUtils]: 57: Hoare triple {96881#true} assume 0 != ~tmp___3~0#1;~t4_st~0 := 0; {96881#true} is VALID [2022-02-20 19:55:36,169 INFO L290 TraceCheckUtils]: 58: Hoare triple {96881#true} assume true; {96881#true} is VALID [2022-02-20 19:55:36,170 INFO L284 TraceCheckUtils]: 59: Hoare quadruple {96881#true} {96882#false} #942#return; {96882#false} is VALID [2022-02-20 19:55:36,170 INFO L272 TraceCheckUtils]: 60: Hoare triple {96882#false} call reset_delta_events2(); {96947#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} is VALID [2022-02-20 19:55:36,170 INFO L290 TraceCheckUtils]: 61: Hoare triple {96947#(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) (= |old(~T4_E~0)| ~T4_E~0) (= ~E_3~0 |old(~E_3~0)|) (= ~E_1~0 |old(~E_1~0)|) (= ~E_4~0 |old(~E_4~0)|) (= ~E_2~0 |old(~E_2~0)|) (= |old(~T3_E~0)| ~T3_E~0))} assume !(1 == ~M_E~0); {96881#true} is VALID [2022-02-20 19:55:36,170 INFO L290 TraceCheckUtils]: 62: Hoare triple {96881#true} assume 1 == ~T1_E~0;~T1_E~0 := 2; {96881#true} is VALID [2022-02-20 19:55:36,170 INFO L290 TraceCheckUtils]: 63: Hoare triple {96881#true} assume 1 == ~T2_E~0;~T2_E~0 := 2; {96881#true} is VALID [2022-02-20 19:55:36,170 INFO L290 TraceCheckUtils]: 64: Hoare triple {96881#true} assume 1 == ~T3_E~0;~T3_E~0 := 2; {96881#true} is VALID [2022-02-20 19:55:36,170 INFO L290 TraceCheckUtils]: 65: Hoare triple {96881#true} assume 1 == ~T4_E~0;~T4_E~0 := 2; {96881#true} is VALID [2022-02-20 19:55:36,171 INFO L290 TraceCheckUtils]: 66: Hoare triple {96881#true} assume !(1 == ~E_M~0); {96881#true} is VALID [2022-02-20 19:55:36,171 INFO L290 TraceCheckUtils]: 67: Hoare triple {96881#true} assume 1 == ~E_1~0;~E_1~0 := 2; {96881#true} is VALID [2022-02-20 19:55:36,171 INFO L290 TraceCheckUtils]: 68: Hoare triple {96881#true} assume 1 == ~E_2~0;~E_2~0 := 2; {96881#true} is VALID [2022-02-20 19:55:36,171 INFO L290 TraceCheckUtils]: 69: Hoare triple {96881#true} assume 1 == ~E_3~0;~E_3~0 := 2; {96881#true} is VALID [2022-02-20 19:55:36,171 INFO L290 TraceCheckUtils]: 70: Hoare triple {96881#true} assume 1 == ~E_4~0;~E_4~0 := 2; {96881#true} is VALID [2022-02-20 19:55:36,171 INFO L290 TraceCheckUtils]: 71: Hoare triple {96881#true} assume true; {96881#true} is VALID [2022-02-20 19:55:36,171 INFO L284 TraceCheckUtils]: 72: Hoare quadruple {96881#true} {96882#false} #944#return; {96882#false} is VALID [2022-02-20 19:55:36,172 INFO L290 TraceCheckUtils]: 73: Hoare triple {96882#false} assume !false; {96882#false} is VALID [2022-02-20 19:55:36,172 INFO L290 TraceCheckUtils]: 74: Hoare triple {96882#false} start_simulation2_~kernel_st~1#1 := 1;assume { :begin_inline_eval2 } true;havoc eval2_#t~ret18#1, eval2_#t~nondet19#1, eval2_~tmp_ndt_1~0#1, eval2_#t~nondet20#1, eval2_~tmp_ndt_2~0#1, eval2_#t~nondet21#1, eval2_~tmp_ndt_3~0#1, eval2_#t~nondet22#1, eval2_~tmp_ndt_4~0#1, eval2_#t~nondet23#1, eval2_~tmp_ndt_5~0#1, eval2_~tmp~4#1;havoc eval2_~tmp~4#1; {96882#false} is VALID [2022-02-20 19:55:36,172 INFO L290 TraceCheckUtils]: 75: Hoare triple {96882#false} assume !false; {96882#false} is VALID [2022-02-20 19:55:36,172 INFO L272 TraceCheckUtils]: 76: Hoare triple {96882#false} call eval2_#t~ret18#1 := exists_runnable_thread2(); {96881#true} is VALID [2022-02-20 19:55:36,172 INFO L290 TraceCheckUtils]: 77: Hoare triple {96881#true} havoc ~__retres1~9; {96881#true} is VALID [2022-02-20 19:55:36,172 INFO L290 TraceCheckUtils]: 78: Hoare triple {96881#true} assume 0 == ~m_st~0;~__retres1~9 := 1; {96881#true} is VALID [2022-02-20 19:55:36,172 INFO L290 TraceCheckUtils]: 79: Hoare triple {96881#true} #res := ~__retres1~9; {96881#true} is VALID [2022-02-20 19:55:36,173 INFO L290 TraceCheckUtils]: 80: Hoare triple {96881#true} assume true; {96881#true} is VALID [2022-02-20 19:55:36,173 INFO L284 TraceCheckUtils]: 81: Hoare quadruple {96881#true} {96882#false} #946#return; {96882#false} is VALID [2022-02-20 19:55:36,173 INFO L290 TraceCheckUtils]: 82: Hoare triple {96882#false} assume -2147483648 <= eval2_#t~ret18#1 && eval2_#t~ret18#1 <= 2147483647;eval2_~tmp~4#1 := eval2_#t~ret18#1;havoc eval2_#t~ret18#1; {96882#false} is VALID [2022-02-20 19:55:36,173 INFO L290 TraceCheckUtils]: 83: Hoare triple {96882#false} assume 0 != eval2_~tmp~4#1; {96882#false} is VALID [2022-02-20 19:55:36,173 INFO L290 TraceCheckUtils]: 84: Hoare triple {96882#false} assume 0 == ~m_st~0;havoc eval2_~tmp_ndt_1~0#1;assume -2147483648 <= eval2_#t~nondet19#1 && eval2_#t~nondet19#1 <= 2147483647;eval2_~tmp_ndt_1~0#1 := eval2_#t~nondet19#1;havoc eval2_#t~nondet19#1; {96882#false} is VALID [2022-02-20 19:55:36,173 INFO L290 TraceCheckUtils]: 85: Hoare triple {96882#false} assume 0 != eval2_~tmp_ndt_1~0#1;~m_st~0 := 1;assume { :begin_inline_master } true;havoc master_#t~nondet17#1; {96882#false} is VALID [2022-02-20 19:55:36,173 INFO L290 TraceCheckUtils]: 86: Hoare triple {96882#false} assume !(0 == ~m_pc~0); {96882#false} is VALID [2022-02-20 19:55:36,174 INFO L290 TraceCheckUtils]: 87: Hoare triple {96882#false} assume 1 == ~m_pc~0; {96882#false} is VALID [2022-02-20 19:55:36,174 INFO L290 TraceCheckUtils]: 88: Hoare triple {96882#false} assume ~token~0 != 4 + ~local~0;assume { :begin_inline_error2 } true; {96882#false} is VALID [2022-02-20 19:55:36,174 INFO L290 TraceCheckUtils]: 89: Hoare triple {96882#false} assume !false; {96882#false} is VALID [2022-02-20 19:55:36,174 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 19:55:36,175 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 19:55:36,175 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418110939] [2022-02-20 19:55:36,175 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418110939] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 19:55:36,175 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 19:55:36,175 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 19:55:36,175 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085350397] [2022-02-20 19:55:36,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 19:55:36,176 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 90 [2022-02-20 19:55:36,176 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 19:55:36,176 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 19:55:36,234 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 90 edges. 90 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 19:55:36,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 19:55:36,234 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 19:55:36,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 19:55:36,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-20 19:55:36,235 INFO L87 Difference]: Start difference. First operand 2405 states and 3399 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)