./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.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 92ab77284c41e8949aa8a67882902909eedb25047f32a3303bcd08767adce507 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 18:47:17,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 18:47:17,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 18:47:17,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 18:47:17,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 18:47:17,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 18:47:17,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 18:47:17,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 18:47:17,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 18:47:17,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 18:47:17,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 18:47:17,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 18:47:17,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 18:47:17,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 18:47:17,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 18:47:17,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 18:47:17,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 18:47:17,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 18:47:17,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 18:47:17,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 18:47:17,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 18:47:17,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 18:47:17,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 18:47:17,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 18:47:17,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 18:47:17,297 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 18:47:17,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 18:47:17,299 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 18:47:17,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 18:47:17,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 18:47:17,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 18:47:17,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 18:47:17,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 18:47:17,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 18:47:17,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 18:47:17,303 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 18:47:17,304 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 18:47:17,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 18:47:17,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 18:47:17,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 18:47:17,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 18:47:17,306 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 18:47:17,332 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 18:47:17,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 18:47:17,333 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 18:47:17,333 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 18:47:17,334 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 18:47:17,334 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 18:47:17,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 18:47:17,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 18:47:17,334 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 18:47:17,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 18:47:17,335 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 18:47:17,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 18:47:17,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 18:47:17,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 18:47:17,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 18:47:17,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 18:47:17,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 18:47:17,336 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 18:47:17,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 18:47:17,337 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 18:47:17,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 18:47:17,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 18:47:17,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 18:47:17,338 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 18:47:17,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:47:17,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 18:47:17,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 18:47:17,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 18:47:17,339 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 18:47:17,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 18:47:17,339 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 18:47:17,339 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 18:47:17,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 18:47:17,340 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92ab77284c41e8949aa8a67882902909eedb25047f32a3303bcd08767adce507 [2022-02-20 18:47:17,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 18:47:17,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 18:47:17,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 18:47:17,516 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 18:47:17,517 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 18:47:17,518 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-02-20 18:47:17,575 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/668a9b7f0/ab614e0c7d3442b9bc184a53fed471f6/FLAG1d1ae57bb [2022-02-20 18:47:18,170 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 18:47:18,171 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-02-20 18:47:18,201 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/668a9b7f0/ab614e0c7d3442b9bc184a53fed471f6/FLAG1d1ae57bb [2022-02-20 18:47:18,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/668a9b7f0/ab614e0c7d3442b9bc184a53fed471f6 [2022-02-20 18:47:18,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 18:47:18,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 18:47:18,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 18:47:18,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 18:47:18,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 18:47:18,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:47:18" (1/1) ... [2022-02-20 18:47:18,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bd3e99c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:47:18, skipping insertion in model container [2022-02-20 18:47:18,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:47:18" (1/1) ... [2022-02-20 18:47:18,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 18:47:18,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 18:47:19,105 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[26799,26812] [2022-02-20 18:47:19,125 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33129,33142] [2022-02-20 18:47:19,191 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[57661,57674] [2022-02-20 18:47:19,204 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[65696,65709] [2022-02-20 18:47:19,217 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[71499,71512] [2022-02-20 18:47:19,253 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[82182,82195] [2022-02-20 18:47:19,267 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[90107,90120] [2022-02-20 18:47:19,278 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[97295,97308] [2022-02-20 18:47:19,355 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[131822,131835] [2022-02-20 18:47:19,361 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[134930,134943] [2022-02-20 18:47:19,385 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[142923,142936] [2022-02-20 18:47:19,411 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[148707,148720] [2022-02-20 18:47:19,452 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[171333,171346] [2022-02-20 18:47:19,498 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[199069,199082] [2022-02-20 18:47:19,549 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[225502,225515] [2022-02-20 18:47:19,586 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[252663,252676] [2022-02-20 18:47:19,633 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[283670,283683] [2022-02-20 18:47:19,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:47:19,788 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 18:47:19,846 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[26799,26812] [2022-02-20 18:47:19,854 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33129,33142] [2022-02-20 18:47:19,880 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[57661,57674] [2022-02-20 18:47:19,889 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[65696,65709] [2022-02-20 18:47:19,896 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[71499,71512] [2022-02-20 18:47:19,908 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[82182,82195] [2022-02-20 18:47:19,916 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[90107,90120] [2022-02-20 18:47:19,925 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[97295,97308] [2022-02-20 18:47:19,974 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[131822,131835] [2022-02-20 18:47:19,979 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[134930,134943] [2022-02-20 18:47:19,987 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[142923,142936] [2022-02-20 18:47:19,994 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[148707,148720] [2022-02-20 18:47:20,017 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[171333,171346] [2022-02-20 18:47:20,045 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[199069,199082] [2022-02-20 18:47:20,077 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[225502,225515] [2022-02-20 18:47:20,122 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[252663,252676] [2022-02-20 18:47:20,157 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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[283670,283683] [2022-02-20 18:47:20,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:47:20,318 INFO L208 MainTranslator]: Completed translation [2022-02-20 18:47:20,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:47:20 WrapperNode [2022-02-20 18:47:20,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 18:47:20,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 18:47:20,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 18:47:20,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 18:47:20,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:47:20" (1/1) ... [2022-02-20 18:47:20,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:47:20" (1/1) ... [2022-02-20 18:47:20,591 INFO L137 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16771 [2022-02-20 18:47:20,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 18:47:20,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 18:47:20,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 18:47:20,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 18:47:20,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:47:20" (1/1) ... [2022-02-20 18:47:20,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:47:20" (1/1) ... [2022-02-20 18:47:20,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:47:20" (1/1) ... [2022-02-20 18:47:20,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:47:20" (1/1) ... [2022-02-20 18:47:20,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:47:20" (1/1) ... [2022-02-20 18:47:20,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:47:20" (1/1) ... [2022-02-20 18:47:20,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:47:20" (1/1) ... [2022-02-20 18:47:20,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 18:47:20,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 18:47:20,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 18:47:20,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 18:47:20,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:47:20" (1/1) ... [2022-02-20 18:47:20,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:47:20,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:47:20,860 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 18:47:20,917 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 18:47:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 18:47:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 18:47:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 18:47:20,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 18:47:21,294 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 18:47:21,295 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 18:47:26,474 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 18:47:26,497 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 18:47:26,498 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 18:47:26,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:47:26 BoogieIcfgContainer [2022-02-20 18:47:26,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 18:47:26,502 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 18:47:26,502 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 18:47:26,504 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 18:47:26,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 06:47:18" (1/3) ... [2022-02-20 18:47:26,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9310318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:47:26, skipping insertion in model container [2022-02-20 18:47:26,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:47:20" (2/3) ... [2022-02-20 18:47:26,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9310318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:47:26, skipping insertion in model container [2022-02-20 18:47:26,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:47:26" (3/3) ... [2022-02-20 18:47:26,506 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-02-20 18:47:26,511 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 18:47:26,512 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2022-02-20 18:47:26,564 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 18:47:26,568 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 18:47:26,568 INFO L340 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2022-02-20 18:47:26,665 INFO L276 IsEmpty]: Start isEmpty. Operand has 3532 states, 3514 states have (on average 1.8264086511098463) internal successors, (6418), 3531 states have internal predecessors, (6418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:26,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-20 18:47:26,686 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:47:26,686 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] [2022-02-20 18:47:26,687 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-02-20 18:47:26,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:47:26,692 INFO L85 PathProgramCache]: Analyzing trace with hash -912153875, now seen corresponding path program 1 times [2022-02-20 18:47:26,698 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:47:26,698 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452403588] [2022-02-20 18:47:26,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:47:26,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:47:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:47:27,011 INFO L290 TraceCheckUtils]: 0: Hoare triple {3535#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(63, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~__return_131~0 := 0;~__return_4144~0 := 0;~__return_12707~0 := 0;~__return_4134~0 := 0;~__return_12527~0 := 0;~__return_4164~0 := 0;~__return_4154~0 := 0;~__return_4104~0 := 0;~__return_12086~0 := 0;~__return_4094~0 := 0;~__return_11920~0 := 0;~__return_4124~0 := 0;~__return_12369~0 := 0;~__return_4114~0 := 0;~__return_12206~0 := 0;~__return_4224~0 := 0;~__return_4214~0 := 0;~__return_4244~0 := 0;~__return_4234~0 := 0;~__return_4184~0 := 0;~__return_4174~0 := 0;~__return_4204~0 := 0;~__return_4194~0 := 0;~__return_3984~0 := 0;~__return_10670~0 := 0;~__return_3974~0 := 0;~__return_10504~0 := 0;~__return_4004~0 := 0;~__return_3994~0 := 0;~__return_3944~0 := 0;~__return_10147~0 := 0;~__return_3934~0 := 0;~__return_10022~0 := 0;~__return_3964~0 := 0;~__return_10376~0 := 0;~__return_3954~0 := 0;~__return_10251~0 := 0;~__return_4064~0 := 0;~__return_11604~0 := 0;~__return_4054~0 := 0;~__return_11438~0 := 0;~__return_4084~0 := 0;~__return_4074~0 := 0;~__return_4024~0 := 0;~__return_11087~0 := 0;~__return_4014~0 := 0;~__return_10962~0 := 0;~__return_4044~0 := 0;~__return_11313~0 := 0;~__return_4034~0 := 0;~__return_11188~0 := 0;~__return_4304~0 := 0;~__return_4294~0 := 0;~__return_4324~0 := 0;~__return_4314~0 := 0;~__return_4264~0 := 0;~__return_4254~0 := 0;~__return_4284~0 := 0;~__return_4274~0 := 0;~__return_4384~0 := 0;~__return_4374~0 := 0;~__return_4404~0 := 0;~__return_4394~0 := 0;~__return_4344~0 := 0;~__return_4334~0 := 0;~__return_4364~0 := 0;~__return_4354~0 := 0;~__return_3664~0 := 0;~__return_7798~0 := 0;~__return_3654~0 := 0;~__return_7632~0 := 0;~__return_3684~0 := 0;~__return_3674~0 := 0;~__return_3624~0 := 0;~__return_7275~0 := 0;~__return_3614~0 := 0;~__return_7150~0 := 0;~__return_3644~0 := 0;~__return_7504~0 := 0;~__return_3634~0 := 0;~__return_7379~0 := 0;~__return_3744~0 := 0;~__return_3734~0 := 0;~__return_3764~0 := 0;~__return_3754~0 := 0;~__return_3704~0 := 0;~__return_3694~0 := 0;~__return_3724~0 := 0;~__return_3714~0 := 0;~__return_3504~0 := 0;~__return_6177~0 := 0;~__return_3494~0 := 0;~__return_6052~0 := 0;~__return_3524~0 := 0;~__return_3514~0 := 0;~__return_3464~0 := 0;~__return_5775~0 := 0;~__return_3454~0 := 0;~__return_5674~0 := 0;~__return_3484~0 := 0;~__return_5951~0 := 0;~__return_3474~0 := 0;~__return_5850~0 := 0;~__return_3584~0 := 0;~__return_6902~0 := 0;~__return_3574~0 := 0;~__return_6777~0 := 0;~__return_3604~0 := 0;~__return_3594~0 := 0;~__return_3544~0 := 0;~__return_6500~0 := 0;~__return_3534~0 := 0;~__return_6399~0 := 0;~__return_3564~0 := 0;~__return_6676~0 := 0;~__return_3554~0 := 0;~__return_6575~0 := 0;~__return_3824~0 := 0;~__return_9055~0 := 0;~__return_3814~0 := 0;~__return_8930~0 := 0;~__return_3844~0 := 0;~__return_3834~0 := 0;~__return_3784~0 := 0;~__return_8653~0 := 0;~__return_3774~0 := 0;~__return_8552~0 := 0;~__return_3804~0 := 0;~__return_8829~0 := 0;~__return_3794~0 := 0;~__return_8728~0 := 0;~__return_3904~0 := 0;~__return_9777~0 := 0;~__return_3894~0 := 0;~__return_9652~0 := 0;~__return_3924~0 := 0;~__return_3914~0 := 0;~__return_3864~0 := 0;~__return_9375~0 := 0;~__return_3854~0 := 0;~__return_9274~0 := 0;~__return_3884~0 := 0;~__return_9551~0 := 0;~__return_3874~0 := 0;~__return_9450~0 := 0;~__return_4624~0 := 0;~__return_4614~0 := 0;~__return_15584~0 := 0;~__return_4644~0 := 0;~__return_4634~0 := 0;~__return_4584~0 := 0;~__return_4574~0 := 0;~__return_15312~0 := 0;~__return_4604~0 := 0;~__return_4594~0 := 0;~__return_15436~0 := 0;~__return_4704~0 := 0;~__return_4694~0 := 0;~__return_4724~0 := 0;~__return_4714~0 := 0;~__return_4664~0 := 0;~__return_4654~0 := 0;~__return_4684~0 := 0;~__return_4674~0 := 0;~__return_4464~0 := 0;~__return_4454~0 := 0;~__return_14704~0 := 0;~__return_4484~0 := 0;~__return_4474~0 := 0;~__return_4424~0 := 0;~__return_4414~0 := 0;~__return_14482~0 := 0;~__return_4444~0 := 0;~__return_4434~0 := 0;~__return_14580~0 := 0;~__return_4544~0 := 0;~__return_4534~0 := 0;~__return_15106~0 := 0;~__return_4564~0 := 0;~__return_4554~0 := 0;~__return_4504~0 := 0;~__return_4494~0 := 0;~__return_14884~0 := 0;~__return_4524~0 := 0;~__return_4514~0 := 0;~__return_14982~0 := 0;~__return_4784~0 := 0;~__return_4774~0 := 0;~__return_16292~0 := 0;~__return_4804~0 := 0;~__return_4794~0 := 0;~__return_4744~0 := 0;~__return_4734~0 := 0;~__return_16070~0 := 0;~__return_4764~0 := 0;~__return_4754~0 := 0;~__return_16168~0 := 0;~__return_4864~0 := 0;~__return_4854~0 := 0;~__return_16694~0 := 0;~__return_4884~0 := 0;~__return_4874~0 := 0;~__return_4824~0 := 0;~__return_4814~0 := 0;~__return_16472~0 := 0;~__return_4844~0 := 0;~__return_4834~0 := 0;~__return_16570~0 := 0; {3537#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:27,013 INFO L290 TraceCheckUtils]: 1: Hoare triple {3537#(<= (+ ~nomsg~0 1) 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_~check__tmp~1#1, main_~node4__m4~1#1, main_~node3__m3~1#1, main_~node2__m2~1#1, main_~node1__m1~1#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~check__tmp~3#1, main_~node4__m4~2#1, main_~node3__m3~2#1, main_~node2__m2~2#1, main_~node1__m1~2#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~2#1, main_~node4____CPAchecker_TMP_0~0#1, main_~node4__m4~3#1, main_~node3__m3~3#1, main_~node2__m2~3#1, main_~node1__m1~3#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~4#1, main_~node4____CPAchecker_TMP_1~0#1, main_~node4__m4~4#1, main_~node3__m3~4#1, main_~node2__m2~4#1, main_~node1__m1~4#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~5#1, main_~node4__m4~0#1, main_~check__tmp~7#1, main_~node4__m4~6#1, main_~node3__m3~5#1, main_~node2__m2~5#1, main_~node1__m1~5#1, main_~__tmp_5~0#1, main_~assert__arg~4#1, main_~check__tmp~6#1, main_~__tmp_7~0#1, main_~assert__arg~6#1, main_~check__tmp~9#1, main_~node4__m4~7#1, main_~node3__m3~6#1, main_~node2__m2~6#1, main_~node1__m1~6#1, main_~__tmp_6~0#1, main_~assert__arg~5#1, main_~check__tmp~8#1, main_~node4____CPAchecker_TMP_0~1#1, main_~check__tmp~11#1, main_~node4__m4~8#1, main_~node3__m3~7#1, main_~node2__m2~7#1, main_~node1__m1~7#1, main_~__tmp_8~0#1, main_~assert__arg~7#1, main_~check__tmp~10#1, main_~node4____CPAchecker_TMP_1~1#1, main_~__tmp_10~0#1, main_~assert__arg~9#1, main_~check__tmp~13#1, main_~node4__m4~9#1, main_~node3__m3~8#1, main_~node2__m2~8#1, main_~node1__m1~8#1, main_~__tmp_9~0#1, main_~assert__arg~8#1, main_~check__tmp~12#1, main_~node4__m4~5#1, main_~node3____CPAchecker_TMP_0~0#1, main_~node3__m3~9#1, main_~node2__m2~9#1, main_~node1__m1~9#1, main_~__tmp_11~0#1, main_~assert__arg~10#1, main_~check__tmp~14#1, main_~node3__m3~10#1, main_~node2__m2~10#1, main_~node1__m1~10#1, main_~__tmp_12~0#1, main_~assert__arg~11#1, main_~check__tmp~15#1, main_~node4____CPAchecker_TMP_0~2#1, main_~node3__m3~11#1, main_~node2__m2~11#1, main_~node1__m1~11#1, main_~__tmp_13~0#1, main_~assert__arg~12#1, main_~check__tmp~16#1, main_~node4____CPAchecker_TMP_1~2#1, main_~node3__m3~12#1, main_~node2__m2~12#1, main_~node1__m1~12#1, main_~__tmp_14~0#1, main_~assert__arg~13#1, main_~check__tmp~17#1, main_~node4__m4~10#1, main_~node3____CPAchecker_TMP_1~0#1, main_~node3__m3~13#1, main_~node2__m2~13#1, main_~node1__m1~13#1, main_~__tmp_15~0#1, main_~assert__arg~14#1, main_~check__tmp~18#1, main_~node3__m3~14#1, main_~node2__m2~14#1, main_~node1__m1~14#1, main_~__tmp_16~0#1, main_~assert__arg~15#1, main_~check__tmp~19#1, main_~node4____CPAchecker_TMP_0~3#1, main_~node3__m3~15#1, main_~node2__m2~15#1, main_~node1__m1~15#1, main_~__tmp_17~0#1, main_~assert__arg~16#1, main_~check__tmp~20#1, main_~node4____CPAchecker_TMP_1~3#1, main_~node3__m3~16#1, main_~node2__m2~16#1, main_~node1__m1~16#1, main_~__tmp_18~0#1, main_~assert__arg~17#1, main_~check__tmp~21#1, main_~node4__m4~11#1, main_~node3__m3~0#1, main_~check__tmp~23#1, main_~node4__m4~13#1, main_~node3__m3~18#1, main_~node2__m2~17#1, main_~node1__m1~17#1, main_~__tmp_19~0#1, main_~assert__arg~18#1, main_~check__tmp~22#1, main_~__tmp_21~0#1, main_~assert__arg~20#1, main_~check__tmp~25#1, main_~node4__m4~14#1, main_~node3__m3~19#1, main_~node2__m2~18#1, main_~node1__m1~18#1, main_~__tmp_20~0#1, main_~assert__arg~19#1, main_~check__tmp~24#1, main_~node4____CPAchecker_TMP_0~4#1, main_~node4__m4~15#1, main_~node3__m3~20#1, main_~node2__m2~19#1, main_~node1__m1~19#1, main_~__tmp_22~0#1, main_~assert__arg~21#1, main_~check__tmp~26#1, main_~node4____CPAchecker_TMP_1~4#1, main_~node4__m4~16#1, main_~node3__m3~21#1, main_~node2__m2~20#1, main_~node1__m1~20#1, main_~__tmp_23~0#1, main_~assert__arg~22#1, main_~check__tmp~27#1, main_~node4__m4~12#1, main_~__tmp_25~0#1, main_~assert__arg~24#1, main_~check__tmp~29#1, main_~node4__m4~18#1, main_~node3__m3~22#1, main_~node2__m2~21#1, main_~node1__m1~21#1, main_~__tmp_24~0#1, main_~assert__arg~23#1, main_~check__tmp~28#1, main_~__tmp_27~0#1, main_~assert__arg~26#1, main_~check__tmp~31#1, main_~node4__m4~19#1, main_~node3__m3~23#1, main_~node2__m2~22#1, main_~node1__m1~22#1, main_~__tmp_26~0#1, main_~assert__arg~25#1, main_~check__tmp~30#1, main_~node4____CPAchecker_TMP_0~5#1, main_~__tmp_29~0#1, main_~assert__arg~28#1, main_~check__tmp~33#1, main_~node4__m4~20#1, main_~node3__m3~24#1, main_~node2__m2~23#1, main_~node1__m1~23#1, main_~__tmp_28~0#1, main_~assert__arg~27#1, main_~check__tmp~32#1, main_~node4____CPAchecker_TMP_1~5#1, main_~node1____CPAchecker_TMP_0~1#1, main_~node1____CPAchecker_TMP_1~0#1, main_~node1__m1~25#1, main_~__tmp_31~0#1, main_~assert__arg~30#1, main_~check__tmp~35#1, main_~node4__m4~21#1, main_~node3__m3~25#1, main_~node2__m2~24#1, main_~node1__m1~24#1, main_~__tmp_30~0#1, main_~assert__arg~29#1, main_~check__tmp~34#1, main_~node4__m4~17#1, main_~node3____CPAchecker_TMP_0~1#1, main_~check__tmp~37#1, main_~node4__m4~23#1, main_~node3__m3~26#1, main_~node2__m2~25#1, main_~node1__m1~26#1, main_~__tmp_32~0#1, main_~assert__arg~31#1, main_~check__tmp~36#1, main_~__tmp_34~0#1, main_~assert__arg~33#1, main_~check__tmp~39#1, main_~node4__m4~24#1, main_~node3__m3~27#1, main_~node2__m2~26#1, main_~node1__m1~27#1, main_~__tmp_33~0#1, main_~assert__arg~32#1, main_~check__tmp~38#1, main_~node4____CPAchecker_TMP_0~6#1, main_~node4__m4~25#1, main_~node3__m3~28#1, main_~node2__m2~27#1, main_~node1__m1~28#1, main_~__tmp_35~0#1, main_~assert__arg~34#1, main_~check__tmp~40#1, main_~node4____CPAchecker_TMP_1~6#1, main_~node4__m4~26#1, main_~node3__m3~29#1, main_~node2__m2~28#1, main_~node1__m1~29#1, main_~__tmp_36~0#1, main_~assert__arg~35#1, main_~check__tmp~41#1, main_~node4__m4~22#1, main_~node3____CPAchecker_TMP_1~1#1, main_~__tmp_38~0#1, main_~assert__arg~37#1, main_~check__tmp~43#1, main_~node4__m4~28#1, main_~node3__m3~30#1, main_~node2__m2~29#1, main_~node1__m1~30#1, main_~__tmp_37~0#1, main_~assert__arg~36#1, main_~check__tmp~42#1, main_~node1____CPAchecker_TMP_0~2#1, main_~node1____CPAchecker_TMP_1~1#1, main_~node1__m1~32#1, main_~__tmp_40~0#1, main_~assert__arg~39#1, main_~check__tmp~45#1, main_~node4__m4~29#1, main_~node3__m3~31#1, main_~node2__m2~30#1, main_~node1__m1~31#1, main_~__tmp_39~0#1, main_~assert__arg~38#1, main_~check__tmp~44#1, main_~node4____CPAchecker_TMP_0~7#1, main_~__tmp_42~0#1, main_~assert__arg~41#1, main_~check__tmp~47#1, main_~node4__m4~30#1, main_~node3__m3~32#1, main_~node2__m2~31#1, main_~node1__m1~33#1, main_~__tmp_41~0#1, main_~assert__arg~40#1, main_~check__tmp~46#1, main_~node4____CPAchecker_TMP_1~7#1, main_~node1____CPAchecker_TMP_0~3#1, main_~node1____CPAchecker_TMP_1~2#1, main_~node1__m1~35#1, main_~__tmp_44~0#1, main_~assert__arg~43#1, main_~check__tmp~49#1, main_~node4__m4~31#1, main_~node3__m3~33#1, main_~node2__m2~32#1, main_~node1__m1~34#1, main_~__tmp_43~0#1, main_~assert__arg~42#1, main_~check__tmp~48#1, main_~node4__m4~27#1, main_~node3__m3~17#1, main_~node2____CPAchecker_TMP_0~0#1, main_~node2____CPAchecker_TMP_1~0#1, main_~node2__m2~33#1, main_~node1__m1~36#1, main_~__tmp_45~0#1, main_~assert__arg~44#1, main_~check__tmp~50#1, main_~node2__m2~34#1, main_~node1__m1~37#1, main_~__tmp_46~0#1, main_~assert__arg~45#1, main_~check__tmp~51#1, main_~node4____CPAchecker_TMP_0~8#1, main_~node2__m2~35#1, main_~node1__m1~38#1, main_~__tmp_47~0#1, main_~assert__arg~46#1, main_~check__tmp~52#1, main_~node4____CPAchecker_TMP_1~8#1, main_~node2__m2~36#1, main_~node1__m1~39#1, main_~__tmp_48~0#1, main_~assert__arg~47#1, main_~check__tmp~53#1, main_~node4__m4~32#1, main_~node2__m2~37#1, main_~node1__m1~40#1, main_~__tmp_49~0#1, main_~assert__arg~48#1, main_~check__tmp~54#1, main_~node2__m2~38#1, main_~node1__m1~41#1, main_~__tmp_50~0#1, main_~assert__arg~49#1, main_~check__tmp~55#1, main_~node4____CPAchecker_TMP_0~9#1, main_~node2__m2~39#1, main_~node1__m1~42#1, main_~__tmp_51~0#1, main_~assert__arg~50#1, main_~check__tmp~56#1, main_~node4____CPAchecker_TMP_1~9#1, main_~node2__m2~40#1, main_~node1__m1~43#1, main_~__tmp_52~0#1, main_~assert__arg~51#1, main_~check__tmp~57#1, main_~node4__m4~33#1, main_~node3____CPAchecker_TMP_0~2#1, main_~node2__m2~41#1, main_~node1__m1~44#1, main_~__tmp_53~0#1, main_~assert__arg~52#1, main_~check__tmp~58#1, main_~node2__m2~42#1, main_~node1__m1~45#1, main_~__tmp_54~0#1, main_~assert__arg~53#1, main_~check__tmp~59#1, main_~node4____CPAchecker_TMP_0~10#1, main_~node2__m2~43#1, main_~node1__m1~46#1, main_~__tmp_55~0#1, main_~assert__arg~54#1, main_~check__tmp~60#1, main_~node4____CPAchecker_TMP_1~10#1, main_~node2__m2~44#1, main_~node1__m1~47#1, main_~__tmp_56~0#1, main_~assert__arg~55#1, main_~check__tmp~61#1, main_~node4__m4~34#1, main_~node3____CPAchecker_TMP_1~2#1, main_~node2__m2~45#1, main_~node1__m1~48#1, main_~__tmp_57~0#1, main_~assert__arg~56#1, main_~check__tmp~62#1, main_~node2__m2~46#1, main_~node1__m1~49#1, main_~__tmp_58~0#1, main_~assert__arg~57#1, main_~check__tmp~63#1, main_~node4____CPAchecker_TMP_0~11#1, main_~node2__m2~47#1, main_~node1__m1~50#1, main_~__tmp_59~0#1, main_~assert__arg~58#1, main_~check__tmp~64#1, main_~node4____CPAchecker_TMP_1~11#1, main_~node2__m2~48#1, main_~node1__m1~51#1, main_~__tmp_60~0#1, main_~assert__arg~59#1, main_~check__tmp~65#1, main_~node4__m4~35#1, main_~node3__m3~34#1, main_~node2__m2~0#1, main_~__tmp_62~0#1, main_~assert__arg~61#1, main_~check__tmp~67#1, main_~node4__m4~37#1, main_~node3__m3~36#1, main_~node2__m2~50#1, main_~node1__m1~52#1, main_~__tmp_61~0#1, main_~assert__arg~60#1, main_~check__tmp~66#1, main_~__tmp_64~0#1, main_~assert__arg~63#1, main_~check__tmp~69#1, main_~node4__m4~38#1, main_~node3__m3~37#1, main_~node2__m2~51#1, main_~node1__m1~53#1, main_~__tmp_63~0#1, main_~assert__arg~62#1, main_~check__tmp~68#1, main_~node4____CPAchecker_TMP_0~12#1, main_~node4__m4~39#1, main_~node3__m3~38#1, 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main_~assert__arg~150#1, main_~check__tmp~156#1, main_~node4____CPAchecker_TMP_0~27#1, main_~node1__m1~130#1, main_~__tmp_152~0#1, main_~assert__arg~151#1, main_~check__tmp~157#1, main_~node4____CPAchecker_TMP_1~27#1, main_~node3__m3~93#1, main_~node2__m2~111#1, main_~node1__m1~131#1, main_~__tmp_153~0#1, main_~assert__arg~152#1, main_~check__tmp~158#1, main_~node4__m4~95#1, main_~node3____CPAchecker_TMP_1~7#1, main_~node1__m1~132#1, main_~__tmp_154~0#1, main_~assert__arg~153#1, main_~check__tmp~159#1, main_~node3__m3~94#1, main_~node2__m2~112#1, main_~node1__m1~133#1, main_~__tmp_155~0#1, main_~assert__arg~154#1, main_~check__tmp~160#1, main_~node4____CPAchecker_TMP_0~28#1, main_~node1__m1~134#1, main_~__tmp_156~0#1, main_~assert__arg~155#1, main_~check__tmp~161#1, main_~node4____CPAchecker_TMP_1~28#1, main_~node3__m3~95#1, main_~node2__m2~113#1, main_~node1__m1~135#1, main_~__tmp_157~0#1, main_~assert__arg~156#1, main_~check__tmp~162#1, main_~node4__m4~96#1, main_~node3__m3~87#1, main_~node1__m1~136#1, main_~__tmp_158~0#1, main_~assert__arg~157#1, main_~check__tmp~163#1, main_~node1____CPAchecker_TMP_0~23#1, main_~node1____CPAchecker_TMP_1~24#1, main_~node1__m1~138#1, main_~__tmp_160~0#1, main_~assert__arg~159#1, main_~check__tmp~165#1, main_~node4__m4~98#1, main_~node3__m3~97#1, main_~node2__m2~114#1, main_~node1__m1~137#1, main_~__tmp_159~0#1, main_~assert__arg~158#1, main_~check__tmp~164#1, main_~node4____CPAchecker_TMP_0~29#1, main_~node1__m1~139#1, main_~__tmp_161~0#1, main_~assert__arg~160#1, main_~check__tmp~166#1, main_~node4____CPAchecker_TMP_1~29#1, main_~node4__m4~99#1, main_~node3__m3~98#1, main_~node2__m2~115#1, main_~node1__m1~140#1, main_~__tmp_162~0#1, main_~assert__arg~161#1, main_~check__tmp~167#1, main_~node4__m4~97#1, main_~node1__m1~141#1, main_~__tmp_163~0#1, main_~assert__arg~162#1, main_~check__tmp~168#1, main_~node1____CPAchecker_TMP_1~25#1, main_~node1__m1~143#1, main_~__tmp_165~0#1, main_~assert__arg~164#1, main_~check__tmp~170#1, main_~node4__m4~101#1, main_~node3__m3~99#1, main_~node2__m2~116#1, main_~node1__m1~142#1, main_~__tmp_164~0#1, main_~assert__arg~163#1, main_~check__tmp~169#1, main_~node4____CPAchecker_TMP_0~30#1, main_~node1__m1~144#1, main_~__tmp_166~0#1, main_~assert__arg~165#1, main_~check__tmp~171#1, main_~node4____CPAchecker_TMP_1~30#1, main_~node1____CPAchecker_TMP_1~26#1, main_~node2____CPAchecker_TMP_0~7#1, main_~node2____CPAchecker_TMP_1~9#1, main_~node2__m2~118#1, main_~node1__m1~146#1, main_~__tmp_168~0#1, main_~assert__arg~167#1, main_~check__tmp~173#1, main_~node4__m4~102#1, main_~node3__m3~100#1, main_~node2__m2~117#1, main_~node1__m1~145#1, main_~__tmp_167~0#1, main_~assert__arg~166#1, main_~check__tmp~172#1, main_~node4__m4~100#1, main_~node3____CPAchecker_TMP_0~8#1, main_~node1__m1~147#1, main_~__tmp_169~0#1, main_~assert__arg~168#1, main_~check__tmp~174#1, main_~node1____CPAchecker_TMP_0~24#1, main_~node1____CPAchecker_TMP_1~27#1, main_~node1__m1~149#1, main_~__tmp_171~0#1, main_~assert__arg~170#1, main_~check__tmp~176#1, main_~node4__m4~104#1, main_~node3__m3~101#1, main_~node2__m2~119#1, main_~node1__m1~148#1, main_~__tmp_170~0#1, main_~assert__arg~169#1, main_~check__tmp~175#1, main_~node4____CPAchecker_TMP_0~31#1, main_~node1__m1~150#1, main_~__tmp_172~0#1, main_~assert__arg~171#1, main_~check__tmp~177#1, main_~node4____CPAchecker_TMP_1~31#1, main_~node4__m4~105#1, main_~node3__m3~102#1, main_~node2__m2~120#1, main_~node1__m1~151#1, main_~__tmp_173~0#1, main_~assert__arg~172#1, main_~check__tmp~178#1, main_~node4__m4~103#1, main_~node3____CPAchecker_TMP_1~8#1, main_~node1__m1~152#1, main_~__tmp_174~0#1, main_~assert__arg~173#1, main_~check__tmp~179#1, main_~node1____CPAchecker_TMP_1~28#1, main_~node2____CPAchecker_TMP_0~8#1, main_~node2____CPAchecker_TMP_1~10#1, main_~node2__m2~122#1, main_~node1__m1~154#1, main_~__tmp_176~0#1, main_~assert__arg~175#1, main_~check__tmp~181#1, main_~node4__m4~107#1, main_~node3__m3~103#1, main_~node2__m2~121#1, main_~node1__m1~153#1, main_~__tmp_175~0#1, main_~assert__arg~174#1, main_~check__tmp~180#1, main_~node4____CPAchecker_TMP_0~32#1, main_~node1__m1~155#1, main_~__tmp_177~0#1, main_~assert__arg~176#1, main_~check__tmp~182#1, main_~node4____CPAchecker_TMP_1~32#1, main_~node1____CPAchecker_TMP_1~29#1, main_~node1__m1~157#1, main_~__tmp_179~0#1, main_~assert__arg~178#1, main_~check__tmp~184#1, main_~node4__m4~108#1, main_~node3__m3~104#1, main_~node2__m2~123#1, main_~node1__m1~156#1, main_~__tmp_178~0#1, main_~assert__arg~177#1, main_~check__tmp~183#1, main_~node4__m4~106#1, main_~node3__m3~96#1, main_~node2____CPAchecker_TMP_0~6#1, main_~node2____CPAchecker_TMP_1~11#1, main_~node1__m1~158#1, main_~__tmp_180~0#1, main_~assert__arg~179#1, main_~check__tmp~185#1, main_~node1____CPAchecker_TMP_1~30#1, main_~node1__m1~160#1, main_~__tmp_182~0#1, main_~assert__arg~181#1, main_~check__tmp~187#1, main_~node4__m4~110#1, main_~node3__m3~106#1, main_~node2__m2~124#1, main_~node1__m1~159#1, main_~__tmp_181~0#1, main_~assert__arg~180#1, main_~check__tmp~186#1, main_~node4____CPAchecker_TMP_0~33#1, main_~node1__m1~161#1, main_~__tmp_183~0#1, main_~assert__arg~182#1, main_~check__tmp~188#1, main_~node4____CPAchecker_TMP_1~33#1, main_~node4__m4~111#1, main_~node3__m3~107#1, main_~node2__m2~125#1, main_~node1__m1~162#1, main_~__tmp_184~0#1, main_~assert__arg~183#1, main_~check__tmp~189#1, main_~node4__m4~109#1, main_~node1__m1~163#1, main_~__tmp_185~0#1, main_~assert__arg~184#1, main_~check__tmp~190#1, main_~node1____CPAchecker_TMP_1~31#1, main_~node2____CPAchecker_TMP_0~9#1, main_~node2____CPAchecker_TMP_1~12#1, main_~node2__m2~127#1, main_~node1__m1~165#1, main_~__tmp_187~0#1, main_~assert__arg~186#1, main_~check__tmp~192#1, main_~node4__m4~113#1, main_~node3__m3~108#1, main_~node2__m2~126#1, main_~node1__m1~164#1, main_~__tmp_186~0#1, main_~assert__arg~185#1, main_~check__tmp~191#1, main_~node4____CPAchecker_TMP_0~34#1, main_~node1__m1~166#1, main_~__tmp_188~0#1, main_~assert__arg~187#1, main_~check__tmp~193#1, main_~node4____CPAchecker_TMP_1~34#1, main_~node2____CPAchecker_TMP_0~10#1, main_~node2____CPAchecker_TMP_1~13#1, main_~node2__m2~129#1, main_~node1____CPAchecker_TMP_1~32#1, main_~node1__m1~168#1, main_~__tmp_190~0#1, main_~assert__arg~189#1, main_~check__tmp~195#1, main_~node4__m4~114#1, main_~node3__m3~109#1, main_~node2__m2~128#1, main_~node1__m1~167#1, main_~__tmp_189~0#1, main_~assert__arg~188#1, main_~check__tmp~194#1, main_~node4__m4~112#1, main_~node3____CPAchecker_TMP_0~9#1, main_~node1__m1~169#1, main_~__tmp_191~0#1, main_~assert__arg~190#1, main_~check__tmp~196#1, main_~node1____CPAchecker_TMP_1~33#1, main_~node1__m1~171#1, main_~__tmp_193~0#1, main_~assert__arg~192#1, main_~check__tmp~198#1, main_~node4__m4~116#1, main_~node3__m3~110#1, main_~node2__m2~130#1, main_~node1__m1~170#1, main_~__tmp_192~0#1, main_~assert__arg~191#1, main_~check__tmp~197#1, main_~node4____CPAchecker_TMP_0~35#1, main_~node1__m1~172#1, main_~__tmp_194~0#1, main_~assert__arg~193#1, main_~check__tmp~199#1, main_~node4____CPAchecker_TMP_1~35#1, main_~node4__m4~117#1, main_~node3__m3~111#1, main_~node2__m2~131#1, main_~node1__m1~173#1, main_~__tmp_195~0#1, main_~assert__arg~194#1, main_~check__tmp~200#1, main_~node4__m4~115#1, main_~node3____CPAchecker_TMP_1~9#1, main_~node1__m1~174#1, main_~__tmp_196~0#1, main_~assert__arg~195#1, main_~check__tmp~201#1, main_~node2____CPAchecker_TMP_0~11#1, main_~node2____CPAchecker_TMP_1~14#1, main_~node2__m2~133#1, main_~node1____CPAchecker_TMP_1~34#1, main_~node1__m1~176#1, main_~__tmp_198~0#1, main_~assert__arg~197#1, main_~check__tmp~203#1, main_~node4__m4~119#1, main_~node3__m3~112#1, main_~node2__m2~132#1, main_~node1__m1~175#1, main_~__tmp_197~0#1, main_~assert__arg~196#1, main_~check__tmp~202#1, main_~node4____CPAchecker_TMP_0~36#1, main_~node1__m1~177#1, main_~__tmp_199~0#1, main_~assert__arg~198#1, main_~check__tmp~204#1, main_~node4____CPAchecker_TMP_1~36#1, main_~node2____CPAchecker_TMP_1~15#1, main_~node2__m2~135#1, main_~node1____CPAchecker_TMP_1~35#1, main_~node1__m1~179#1, main_~__tmp_201~0#1, main_~assert__arg~200#1, main_~check__tmp~206#1, main_~node4__m4~120#1, main_~node3__m3~113#1, main_~node2__m2~134#1, main_~node1__m1~178#1, main_~__tmp_200~0#1, main_~assert__arg~199#1, main_~check__tmp~205#1, main_~node4__m4~118#1, main_~node3__m3~105#1, main_~node2__m2~105#1, main_~node1__m1~0#1, main_~init__tmp~0#1, main_~main__c1~0#1, main_~main__i2~0#1;havoc main_~main__c1~0#1;havoc main_~main__i2~0#1;main_~main__c1~0#1 := 0;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -128 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 127;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -128 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 127;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -128 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 127;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -128 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 127;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -128 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 127;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -128 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 127;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;assume -128 <= main_#t~nondet15#1 && main_#t~nondet15#1 <= 127;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;assume -128 <= main_#t~nondet16#1 && main_#t~nondet16#1 <= 127;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume -128 <= main_#t~nondet17#1 && main_#t~nondet17#1 <= 127;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;assume -128 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 127;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;assume -128 <= main_#t~nondet21#1 && main_#t~nondet21#1 <= 127;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;assume -128 <= main_#t~nondet22#1 && main_#t~nondet22#1 <= 127;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_~init__tmp~0#1; {3537#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:27,017 INFO L290 TraceCheckUtils]: 2: Hoare triple {3537#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~r1~0 % 256; {3537#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:27,017 INFO L290 TraceCheckUtils]: 3: Hoare triple {3537#(<= (+ ~nomsg~0 1) 0)} assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; {3537#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:27,018 INFO L290 TraceCheckUtils]: 4: Hoare triple {3537#(<= (+ ~nomsg~0 1) 0)} assume ~id1~0 >= 0; {3538#(<= (+ ~nomsg~0 1) ~id1~0)} is VALID [2022-02-20 18:47:27,018 INFO L290 TraceCheckUtils]: 5: Hoare triple {3538#(<= (+ ~nomsg~0 1) ~id1~0)} assume 0 == ~st1~0; {3538#(<= (+ ~nomsg~0 1) ~id1~0)} is VALID [2022-02-20 18:47:27,018 INFO L290 TraceCheckUtils]: 6: Hoare triple {3538#(<= (+ ~nomsg~0 1) ~id1~0)} assume ~send1~0 == ~id1~0; {3539#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:27,019 INFO L290 TraceCheckUtils]: 7: Hoare triple {3539#(<= (+ ~nomsg~0 1) ~send1~0)} assume 0 == ~mode1~0 % 256; {3539#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:27,019 INFO L290 TraceCheckUtils]: 8: Hoare triple {3539#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id2~0 >= 0; {3539#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:27,020 INFO L290 TraceCheckUtils]: 9: Hoare triple {3539#(<= (+ ~nomsg~0 1) ~send1~0)} assume 0 == ~st2~0; {3539#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:27,020 INFO L290 TraceCheckUtils]: 10: Hoare triple {3539#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~send2~0 == ~id2~0; {3539#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:27,020 INFO L290 TraceCheckUtils]: 11: Hoare triple {3539#(<= (+ ~nomsg~0 1) ~send1~0)} assume 0 == ~mode2~0 % 256; {3539#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:27,021 INFO L290 TraceCheckUtils]: 12: Hoare triple {3539#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id3~0 >= 0; {3539#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:27,021 INFO L290 TraceCheckUtils]: 13: Hoare triple {3539#(<= (+ ~nomsg~0 1) ~send1~0)} assume 0 == ~st3~0; {3539#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:27,021 INFO L290 TraceCheckUtils]: 14: Hoare triple {3539#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~send3~0 == ~id3~0; {3539#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:27,022 INFO L290 TraceCheckUtils]: 15: Hoare triple {3539#(<= (+ ~nomsg~0 1) ~send1~0)} assume 0 == ~mode3~0 % 256; {3539#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:27,022 INFO L290 TraceCheckUtils]: 16: Hoare triple {3539#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id4~0 >= 0; {3539#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:27,022 INFO L290 TraceCheckUtils]: 17: Hoare triple {3539#(<= (+ ~nomsg~0 1) ~send1~0)} assume 0 == ~st4~0; {3539#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:27,023 INFO L290 TraceCheckUtils]: 18: Hoare triple {3539#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~send4~0 == ~id4~0; {3539#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:27,025 INFO L290 TraceCheckUtils]: 19: Hoare triple {3539#(<= (+ ~nomsg~0 1) ~send1~0)} assume 0 == ~mode4~0 % 256; {3539#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:27,025 INFO L290 TraceCheckUtils]: 20: Hoare triple {3539#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id1~0 != ~id2~0; {3539#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:27,026 INFO L290 TraceCheckUtils]: 21: Hoare triple {3539#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id1~0 != ~id3~0; {3539#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:27,026 INFO L290 TraceCheckUtils]: 22: Hoare triple {3539#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id1~0 != ~id4~0; {3539#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:27,026 INFO L290 TraceCheckUtils]: 23: Hoare triple {3539#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id2~0 != ~id3~0; {3539#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:27,027 INFO L290 TraceCheckUtils]: 24: Hoare triple {3539#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id2~0 != ~id4~0; {3539#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:27,027 INFO L290 TraceCheckUtils]: 25: Hoare triple {3539#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id3~0 != ~id4~0;main_~init__tmp~0#1 := 1;~__return_131~0 := main_~init__tmp~0#1;main_~main__i2~0#1 := ~__return_131~0; {3539#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:27,028 INFO L290 TraceCheckUtils]: 26: Hoare triple {3539#(<= (+ ~nomsg~0 1) ~send1~0)} assume 0 != main_~main__i2~0#1;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~main__i2~0#1 := 0;havoc main_~node1__m1~0#1;main_~node1__m1~0#1 := ~nomsg~0; {3539#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:27,028 INFO L290 TraceCheckUtils]: 27: Hoare triple {3539#(<= (+ ~nomsg~0 1) ~send1~0)} assume !!(0 == ~mode1~0 % 256); {3539#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:27,028 INFO L290 TraceCheckUtils]: 28: Hoare triple {3539#(<= (+ ~nomsg~0 1) ~send1~0)} assume !(0 == ~alive1~0 % 256);havoc main_~node1____CPAchecker_TMP_0~0#1; {3539#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:47:27,029 INFO L290 TraceCheckUtils]: 29: Hoare triple {3539#(<= (+ ~nomsg~0 1) ~send1~0)} assume !(~send1~0 != ~nomsg~0);main_~node1____CPAchecker_TMP_0~0#1 := ~p1_new~0;~p1_new~0 := (if main_~node1____CPAchecker_TMP_0~0#1 % 256 <= 127 then main_~node1____CPAchecker_TMP_0~0#1 % 256 else main_~node1____CPAchecker_TMP_0~0#1 % 256 - 256);~mode1~0 := 1;havoc main_~node2__m2~49#1;main_~node2__m2~49#1 := ~nomsg~0; {3536#false} is VALID [2022-02-20 18:47:27,029 INFO L290 TraceCheckUtils]: 30: Hoare triple {3536#false} assume !!(0 == ~mode2~0 % 256); {3536#false} is VALID [2022-02-20 18:47:27,029 INFO L290 TraceCheckUtils]: 31: Hoare triple {3536#false} assume !(0 == ~alive2~0 % 256);havoc main_~node2____CPAchecker_TMP_0~1#1; {3536#false} is VALID [2022-02-20 18:47:27,029 INFO L290 TraceCheckUtils]: 32: Hoare triple {3536#false} assume !(~send2~0 != ~nomsg~0);main_~node2____CPAchecker_TMP_0~1#1 := ~p2_new~0;~p2_new~0 := (if main_~node2____CPAchecker_TMP_0~1#1 % 256 <= 127 then main_~node2____CPAchecker_TMP_0~1#1 % 256 else main_~node2____CPAchecker_TMP_0~1#1 % 256 - 256);~mode2~0 := 1;havoc main_~node3__m3~52#1;main_~node3__m3~52#1 := ~nomsg~0; {3536#false} is VALID [2022-02-20 18:47:27,030 INFO L290 TraceCheckUtils]: 33: Hoare triple {3536#false} assume !!(0 == ~mode3~0 % 256); {3536#false} is VALID [2022-02-20 18:47:27,030 INFO L290 TraceCheckUtils]: 34: Hoare triple {3536#false} assume !(0 == ~alive3~0 % 256);havoc main_~node3____CPAchecker_TMP_0~4#1; {3536#false} is VALID [2022-02-20 18:47:27,030 INFO L290 TraceCheckUtils]: 35: Hoare triple {3536#false} assume ~send3~0 != ~nomsg~0; {3536#false} is VALID [2022-02-20 18:47:27,030 INFO L290 TraceCheckUtils]: 36: Hoare triple {3536#false} assume ~p3_new~0 == ~nomsg~0;main_~node3____CPAchecker_TMP_0~4#1 := ~send3~0;~p3_new~0 := (if main_~node3____CPAchecker_TMP_0~4#1 % 256 <= 127 then main_~node3____CPAchecker_TMP_0~4#1 % 256 else main_~node3____CPAchecker_TMP_0~4#1 % 256 - 256);~mode3~0 := 1;havoc main_~node4__m4~48#1;main_~node4__m4~48#1 := ~nomsg~0; {3536#false} is VALID [2022-02-20 18:47:27,030 INFO L290 TraceCheckUtils]: 37: Hoare triple {3536#false} assume !!(0 == ~mode4~0 % 256); {3536#false} is VALID [2022-02-20 18:47:27,030 INFO L290 TraceCheckUtils]: 38: Hoare triple {3536#false} assume !(0 == ~alive4~0 % 256);havoc main_~node4____CPAchecker_TMP_0~16#1; {3536#false} is VALID [2022-02-20 18:47:27,031 INFO L290 TraceCheckUtils]: 39: Hoare triple {3536#false} assume ~send4~0 != ~nomsg~0; {3536#false} is VALID [2022-02-20 18:47:27,031 INFO L290 TraceCheckUtils]: 40: Hoare triple {3536#false} assume ~p4_new~0 == ~nomsg~0;main_~node4____CPAchecker_TMP_0~16#1 := ~send4~0;~p4_new~0 := (if main_~node4____CPAchecker_TMP_0~16#1 % 256 <= 127 then main_~node4____CPAchecker_TMP_0~16#1 % 256 else main_~node4____CPAchecker_TMP_0~16#1 % 256 - 256);~mode4~0 := 1;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~88#1; {3536#false} is VALID [2022-02-20 18:47:27,031 INFO L290 TraceCheckUtils]: 41: Hoare triple {3536#false} assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; {3536#false} is VALID [2022-02-20 18:47:27,031 INFO L290 TraceCheckUtils]: 42: Hoare triple {3536#false} assume ~r1~0 % 256 < 4;main_~check__tmp~88#1 := 1;~__return_3504~0 := main_~check__tmp~88#1;main_~main__c1~0#1 := ~__return_3504~0;havoc main_~__tmp_83~0#1;main_~__tmp_83~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~82#1;main_~assert__arg~82#1 := main_~__tmp_83~0#1; {3536#false} is VALID [2022-02-20 18:47:27,031 INFO L290 TraceCheckUtils]: 43: Hoare triple {3536#false} assume !(0 == main_~assert__arg~82#1 % 256);havoc main_~node1__m1~69#1;main_~node1__m1~69#1 := ~nomsg~0; {3536#false} is VALID [2022-02-20 18:47:27,032 INFO L290 TraceCheckUtils]: 44: Hoare triple {3536#false} assume !(0 == ~mode1~0 % 256); {3536#false} is VALID [2022-02-20 18:47:27,032 INFO L290 TraceCheckUtils]: 45: Hoare triple {3536#false} assume !(255 == ~r1~0 % 256);~r1~0 := 1 + ~r1~0 % 256;main_~node1__m1~69#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {3536#false} is VALID [2022-02-20 18:47:27,032 INFO L290 TraceCheckUtils]: 46: Hoare triple {3536#false} assume main_~node1__m1~69#1 != ~nomsg~0; {3536#false} is VALID [2022-02-20 18:47:27,032 INFO L290 TraceCheckUtils]: 47: Hoare triple {3536#false} assume !(0 == ~alive1~0 % 256); {3536#false} is VALID [2022-02-20 18:47:27,032 INFO L290 TraceCheckUtils]: 48: Hoare triple {3536#false} assume !(main_~node1__m1~69#1 > ~id1~0); {3536#false} is VALID [2022-02-20 18:47:27,033 INFO L290 TraceCheckUtils]: 49: Hoare triple {3536#false} assume main_~node1__m1~69#1 == ~id1~0;~st1~0 := 1;~mode1~0 := 0;havoc main_~node2__m2~66#1;main_~node2__m2~66#1 := ~nomsg~0; {3536#false} is VALID [2022-02-20 18:47:27,033 INFO L290 TraceCheckUtils]: 50: Hoare triple {3536#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~66#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {3536#false} is VALID [2022-02-20 18:47:27,033 INFO L290 TraceCheckUtils]: 51: Hoare triple {3536#false} assume !(main_~node2__m2~66#1 != ~nomsg~0);~mode2~0 := 0; {3536#false} is VALID [2022-02-20 18:47:27,033 INFO L290 TraceCheckUtils]: 52: Hoare triple {3536#false} havoc main_~node3__m3~53#1;main_~node3__m3~53#1 := ~nomsg~0; {3536#false} is VALID [2022-02-20 18:47:27,033 INFO L290 TraceCheckUtils]: 53: Hoare triple {3536#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~53#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {3536#false} is VALID [2022-02-20 18:47:27,033 INFO L290 TraceCheckUtils]: 54: Hoare triple {3536#false} assume !(main_~node3__m3~53#1 != ~nomsg~0);~mode3~0 := 0; {3536#false} is VALID [2022-02-20 18:47:27,034 INFO L290 TraceCheckUtils]: 55: Hoare triple {3536#false} havoc main_~node4__m4~49#1;main_~node4__m4~49#1 := ~nomsg~0; {3536#false} is VALID [2022-02-20 18:47:27,034 INFO L290 TraceCheckUtils]: 56: Hoare triple {3536#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~49#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {3536#false} is VALID [2022-02-20 18:47:27,034 INFO L290 TraceCheckUtils]: 57: Hoare triple {3536#false} assume main_~node4__m4~49#1 != ~nomsg~0; {3536#false} is VALID [2022-02-20 18:47:27,034 INFO L290 TraceCheckUtils]: 58: Hoare triple {3536#false} assume !(0 == ~alive4~0 % 256); {3536#false} is VALID [2022-02-20 18:47:27,034 INFO L290 TraceCheckUtils]: 59: Hoare triple {3536#false} assume !(main_~node4__m4~49#1 > ~id4~0); {3536#false} is VALID [2022-02-20 18:47:27,034 INFO L290 TraceCheckUtils]: 60: Hoare triple {3536#false} assume main_~node4__m4~49#1 == ~id4~0;~st4~0 := 1;~mode4~0 := 0;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~89#1; {3536#false} is VALID [2022-02-20 18:47:27,035 INFO L290 TraceCheckUtils]: 61: Hoare triple {3536#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~89#1 := 0;~__return_6177~0 := main_~check__tmp~89#1;main_~main__c1~0#1 := ~__return_6177~0;havoc main_~__tmp_84~0#1;main_~__tmp_84~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~83#1;main_~assert__arg~83#1 := main_~__tmp_84~0#1; {3536#false} is VALID [2022-02-20 18:47:27,035 INFO L290 TraceCheckUtils]: 62: Hoare triple {3536#false} assume 0 == main_~assert__arg~83#1 % 256; {3536#false} is VALID [2022-02-20 18:47:27,035 INFO L290 TraceCheckUtils]: 63: Hoare triple {3536#false} assume !false; {3536#false} is VALID [2022-02-20 18:47:27,037 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 18:47:27,038 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:47:27,038 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452403588] [2022-02-20 18:47:27,038 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452403588] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:47:27,039 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:47:27,039 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 18:47:27,040 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347587062] [2022-02-20 18:47:27,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:47:27,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-02-20 18:47:27,046 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:47:27,048 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:27,098 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:47:27,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:47:27,100 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:47:27,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:47:27,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:47:27,128 INFO L87 Difference]: Start difference. First operand has 3532 states, 3514 states have (on average 1.8264086511098463) internal successors, (6418), 3531 states have internal predecessors, (6418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:38,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:47:38,880 INFO L93 Difference]: Finished difference Result 6625 states and 11820 transitions. [2022-02-20 18:47:38,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:47:38,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-02-20 18:47:38,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:47:38,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:38,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11820 transitions. [2022-02-20 18:47:38,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:39,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11820 transitions. [2022-02-20 18:47:39,014 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 11820 transitions. [2022-02-20 18:47:46,157 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 11820 edges. 11820 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:47:46,883 INFO L225 Difference]: With dead ends: 6625 [2022-02-20 18:47:46,884 INFO L226 Difference]: Without dead ends: 4205 [2022-02-20 18:47:46,895 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-02-20 18:47:46,899 INFO L933 BasicCegarLoop]: 2778 mSDtfsCounter, 19668 mSDsluCounter, 1150 mSDsCounter, 0 mSdLazyCounter, 3575 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19668 SdHoareTripleChecker+Valid, 3928 SdHoareTripleChecker+Invalid, 3786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 3575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-02-20 18:47:46,903 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19668 Valid, 3928 Invalid, 3786 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [211 Valid, 3575 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-02-20 18:47:46,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4205 states. [2022-02-20 18:47:48,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4205 to 4181. [2022-02-20 18:47:48,148 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:47:48,158 INFO L82 GeneralOperation]: Start isEquivalent. First operand 4205 states. Second operand has 4181 states, 4164 states have (on average 1.340537944284342) internal successors, (5582), 4180 states have internal predecessors, (5582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:48,166 INFO L74 IsIncluded]: Start isIncluded. First operand 4205 states. Second operand has 4181 states, 4164 states have (on average 1.340537944284342) internal successors, (5582), 4180 states have internal predecessors, (5582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:48,175 INFO L87 Difference]: Start difference. First operand 4205 states. Second operand has 4181 states, 4164 states have (on average 1.340537944284342) internal successors, (5582), 4180 states have internal predecessors, (5582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:48,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:47:48,706 INFO L93 Difference]: Finished difference Result 4205 states and 5600 transitions. [2022-02-20 18:47:48,706 INFO L276 IsEmpty]: Start isEmpty. Operand 4205 states and 5600 transitions. [2022-02-20 18:47:48,712 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:47:48,713 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:47:48,721 INFO L74 IsIncluded]: Start isIncluded. First operand has 4181 states, 4164 states have (on average 1.340537944284342) internal successors, (5582), 4180 states have internal predecessors, (5582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 4205 states. [2022-02-20 18:47:48,731 INFO L87 Difference]: Start difference. First operand has 4181 states, 4164 states have (on average 1.340537944284342) internal successors, (5582), 4180 states have internal predecessors, (5582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 4205 states. [2022-02-20 18:47:49,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:47:49,273 INFO L93 Difference]: Finished difference Result 4205 states and 5600 transitions. [2022-02-20 18:47:49,274 INFO L276 IsEmpty]: Start isEmpty. Operand 4205 states and 5600 transitions. [2022-02-20 18:47:49,280 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:47:49,280 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:47:49,280 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:47:49,280 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:47:49,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4181 states, 4164 states have (on average 1.340537944284342) internal successors, (5582), 4180 states have internal predecessors, (5582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:49,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4181 states to 4181 states and 5582 transitions. [2022-02-20 18:47:49,984 INFO L78 Accepts]: Start accepts. Automaton has 4181 states and 5582 transitions. Word has length 64 [2022-02-20 18:47:49,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:47:49,984 INFO L470 AbstractCegarLoop]: Abstraction has 4181 states and 5582 transitions. [2022-02-20 18:47:49,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:49,988 INFO L276 IsEmpty]: Start isEmpty. Operand 4181 states and 5582 transitions. [2022-02-20 18:47:49,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-02-20 18:47:49,995 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:47:49,995 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] [2022-02-20 18:47:49,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 18:47:49,996 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-02-20 18:47:49,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:47:49,996 INFO L85 PathProgramCache]: Analyzing trace with hash -919069742, now seen corresponding path program 1 times [2022-02-20 18:47:49,996 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:47:49,997 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682391688] [2022-02-20 18:47:49,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:47:49,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:47:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:47:50,149 INFO L290 TraceCheckUtils]: 0: Hoare triple {25000#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(63, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~__return_131~0 := 0;~__return_4144~0 := 0;~__return_12707~0 := 0;~__return_4134~0 := 0;~__return_12527~0 := 0;~__return_4164~0 := 0;~__return_4154~0 := 0;~__return_4104~0 := 0;~__return_12086~0 := 0;~__return_4094~0 := 0;~__return_11920~0 := 0;~__return_4124~0 := 0;~__return_12369~0 := 0;~__return_4114~0 := 0;~__return_12206~0 := 0;~__return_4224~0 := 0;~__return_4214~0 := 0;~__return_4244~0 := 0;~__return_4234~0 := 0;~__return_4184~0 := 0;~__return_4174~0 := 0;~__return_4204~0 := 0;~__return_4194~0 := 0;~__return_3984~0 := 0;~__return_10670~0 := 0;~__return_3974~0 := 0;~__return_10504~0 := 0;~__return_4004~0 := 0;~__return_3994~0 := 0;~__return_3944~0 := 0;~__return_10147~0 := 0;~__return_3934~0 := 0;~__return_10022~0 := 0;~__return_3964~0 := 0;~__return_10376~0 := 0;~__return_3954~0 := 0;~__return_10251~0 := 0;~__return_4064~0 := 0;~__return_11604~0 := 0;~__return_4054~0 := 0;~__return_11438~0 := 0;~__return_4084~0 := 0;~__return_4074~0 := 0;~__return_4024~0 := 0;~__return_11087~0 := 0;~__return_4014~0 := 0;~__return_10962~0 := 0;~__return_4044~0 := 0;~__return_11313~0 := 0;~__return_4034~0 := 0;~__return_11188~0 := 0;~__return_4304~0 := 0;~__return_4294~0 := 0;~__return_4324~0 := 0;~__return_4314~0 := 0;~__return_4264~0 := 0;~__return_4254~0 := 0;~__return_4284~0 := 0;~__return_4274~0 := 0;~__return_4384~0 := 0;~__return_4374~0 := 0;~__return_4404~0 := 0;~__return_4394~0 := 0;~__return_4344~0 := 0;~__return_4334~0 := 0;~__return_4364~0 := 0;~__return_4354~0 := 0;~__return_3664~0 := 0;~__return_7798~0 := 0;~__return_3654~0 := 0;~__return_7632~0 := 0;~__return_3684~0 := 0;~__return_3674~0 := 0;~__return_3624~0 := 0;~__return_7275~0 := 0;~__return_3614~0 := 0;~__return_7150~0 := 0;~__return_3644~0 := 0;~__return_7504~0 := 0;~__return_3634~0 := 0;~__return_7379~0 := 0;~__return_3744~0 := 0;~__return_3734~0 := 0;~__return_3764~0 := 0;~__return_3754~0 := 0;~__return_3704~0 := 0;~__return_3694~0 := 0;~__return_3724~0 := 0;~__return_3714~0 := 0;~__return_3504~0 := 0;~__return_6177~0 := 0;~__return_3494~0 := 0;~__return_6052~0 := 0;~__return_3524~0 := 0;~__return_3514~0 := 0;~__return_3464~0 := 0;~__return_5775~0 := 0;~__return_3454~0 := 0;~__return_5674~0 := 0;~__return_3484~0 := 0;~__return_5951~0 := 0;~__return_3474~0 := 0;~__return_5850~0 := 0;~__return_3584~0 := 0;~__return_6902~0 := 0;~__return_3574~0 := 0;~__return_6777~0 := 0;~__return_3604~0 := 0;~__return_3594~0 := 0;~__return_3544~0 := 0;~__return_6500~0 := 0;~__return_3534~0 := 0;~__return_6399~0 := 0;~__return_3564~0 := 0;~__return_6676~0 := 0;~__return_3554~0 := 0;~__return_6575~0 := 0;~__return_3824~0 := 0;~__return_9055~0 := 0;~__return_3814~0 := 0;~__return_8930~0 := 0;~__return_3844~0 := 0;~__return_3834~0 := 0;~__return_3784~0 := 0;~__return_8653~0 := 0;~__return_3774~0 := 0;~__return_8552~0 := 0;~__return_3804~0 := 0;~__return_8829~0 := 0;~__return_3794~0 := 0;~__return_8728~0 := 0;~__return_3904~0 := 0;~__return_9777~0 := 0;~__return_3894~0 := 0;~__return_9652~0 := 0;~__return_3924~0 := 0;~__return_3914~0 := 0;~__return_3864~0 := 0;~__return_9375~0 := 0;~__return_3854~0 := 0;~__return_9274~0 := 0;~__return_3884~0 := 0;~__return_9551~0 := 0;~__return_3874~0 := 0;~__return_9450~0 := 0;~__return_4624~0 := 0;~__return_4614~0 := 0;~__return_15584~0 := 0;~__return_4644~0 := 0;~__return_4634~0 := 0;~__return_4584~0 := 0;~__return_4574~0 := 0;~__return_15312~0 := 0;~__return_4604~0 := 0;~__return_4594~0 := 0;~__return_15436~0 := 0;~__return_4704~0 := 0;~__return_4694~0 := 0;~__return_4724~0 := 0;~__return_4714~0 := 0;~__return_4664~0 := 0;~__return_4654~0 := 0;~__return_4684~0 := 0;~__return_4674~0 := 0;~__return_4464~0 := 0;~__return_4454~0 := 0;~__return_14704~0 := 0;~__return_4484~0 := 0;~__return_4474~0 := 0;~__return_4424~0 := 0;~__return_4414~0 := 0;~__return_14482~0 := 0;~__return_4444~0 := 0;~__return_4434~0 := 0;~__return_14580~0 := 0;~__return_4544~0 := 0;~__return_4534~0 := 0;~__return_15106~0 := 0;~__return_4564~0 := 0;~__return_4554~0 := 0;~__return_4504~0 := 0;~__return_4494~0 := 0;~__return_14884~0 := 0;~__return_4524~0 := 0;~__return_4514~0 := 0;~__return_14982~0 := 0;~__return_4784~0 := 0;~__return_4774~0 := 0;~__return_16292~0 := 0;~__return_4804~0 := 0;~__return_4794~0 := 0;~__return_4744~0 := 0;~__return_4734~0 := 0;~__return_16070~0 := 0;~__return_4764~0 := 0;~__return_4754~0 := 0;~__return_16168~0 := 0;~__return_4864~0 := 0;~__return_4854~0 := 0;~__return_16694~0 := 0;~__return_4884~0 := 0;~__return_4874~0 := 0;~__return_4824~0 := 0;~__return_4814~0 := 0;~__return_16472~0 := 0;~__return_4844~0 := 0;~__return_4834~0 := 0;~__return_16570~0 := 0; {25002#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:50,150 INFO L290 TraceCheckUtils]: 1: Hoare triple {25002#(<= (+ ~nomsg~0 1) 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_~check__tmp~1#1, main_~node4__m4~1#1, main_~node3__m3~1#1, main_~node2__m2~1#1, main_~node1__m1~1#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~check__tmp~3#1, main_~node4__m4~2#1, main_~node3__m3~2#1, main_~node2__m2~2#1, main_~node1__m1~2#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~2#1, main_~node4____CPAchecker_TMP_0~0#1, main_~node4__m4~3#1, main_~node3__m3~3#1, main_~node2__m2~3#1, main_~node1__m1~3#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~4#1, main_~node4____CPAchecker_TMP_1~0#1, main_~node4__m4~4#1, main_~node3__m3~4#1, main_~node2__m2~4#1, main_~node1__m1~4#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~5#1, main_~node4__m4~0#1, main_~check__tmp~7#1, main_~node4__m4~6#1, main_~node3__m3~5#1, main_~node2__m2~5#1, main_~node1__m1~5#1, main_~__tmp_5~0#1, main_~assert__arg~4#1, main_~check__tmp~6#1, main_~__tmp_7~0#1, main_~assert__arg~6#1, main_~check__tmp~9#1, main_~node4__m4~7#1, main_~node3__m3~6#1, main_~node2__m2~6#1, main_~node1__m1~6#1, main_~__tmp_6~0#1, main_~assert__arg~5#1, main_~check__tmp~8#1, main_~node4____CPAchecker_TMP_0~1#1, main_~check__tmp~11#1, main_~node4__m4~8#1, main_~node3__m3~7#1, main_~node2__m2~7#1, main_~node1__m1~7#1, main_~__tmp_8~0#1, main_~assert__arg~7#1, main_~check__tmp~10#1, main_~node4____CPAchecker_TMP_1~1#1, main_~__tmp_10~0#1, main_~assert__arg~9#1, main_~check__tmp~13#1, main_~node4__m4~9#1, main_~node3__m3~8#1, main_~node2__m2~8#1, main_~node1__m1~8#1, main_~__tmp_9~0#1, main_~assert__arg~8#1, main_~check__tmp~12#1, main_~node4__m4~5#1, main_~node3____CPAchecker_TMP_0~0#1, main_~node3__m3~9#1, main_~node2__m2~9#1, main_~node1__m1~9#1, main_~__tmp_11~0#1, main_~assert__arg~10#1, main_~check__tmp~14#1, main_~node3__m3~10#1, main_~node2__m2~10#1, main_~node1__m1~10#1, main_~__tmp_12~0#1, main_~assert__arg~11#1, main_~check__tmp~15#1, main_~node4____CPAchecker_TMP_0~2#1, main_~node3__m3~11#1, main_~node2__m2~11#1, main_~node1__m1~11#1, main_~__tmp_13~0#1, main_~assert__arg~12#1, main_~check__tmp~16#1, main_~node4____CPAchecker_TMP_1~2#1, main_~node3__m3~12#1, main_~node2__m2~12#1, main_~node1__m1~12#1, main_~__tmp_14~0#1, main_~assert__arg~13#1, main_~check__tmp~17#1, main_~node4__m4~10#1, main_~node3____CPAchecker_TMP_1~0#1, main_~node3__m3~13#1, main_~node2__m2~13#1, main_~node1__m1~13#1, main_~__tmp_15~0#1, main_~assert__arg~14#1, main_~check__tmp~18#1, main_~node3__m3~14#1, main_~node2__m2~14#1, main_~node1__m1~14#1, main_~__tmp_16~0#1, main_~assert__arg~15#1, main_~check__tmp~19#1, main_~node4____CPAchecker_TMP_0~3#1, main_~node3__m3~15#1, main_~node2__m2~15#1, main_~node1__m1~15#1, main_~__tmp_17~0#1, main_~assert__arg~16#1, main_~check__tmp~20#1, main_~node4____CPAchecker_TMP_1~3#1, main_~node3__m3~16#1, main_~node2__m2~16#1, main_~node1__m1~16#1, main_~__tmp_18~0#1, main_~assert__arg~17#1, main_~check__tmp~21#1, main_~node4__m4~11#1, main_~node3__m3~0#1, main_~check__tmp~23#1, main_~node4__m4~13#1, main_~node3__m3~18#1, main_~node2__m2~17#1, main_~node1__m1~17#1, main_~__tmp_19~0#1, main_~assert__arg~18#1, main_~check__tmp~22#1, main_~__tmp_21~0#1, main_~assert__arg~20#1, main_~check__tmp~25#1, main_~node4__m4~14#1, main_~node3__m3~19#1, main_~node2__m2~18#1, main_~node1__m1~18#1, main_~__tmp_20~0#1, main_~assert__arg~19#1, main_~check__tmp~24#1, main_~node4____CPAchecker_TMP_0~4#1, main_~node4__m4~15#1, main_~node3__m3~20#1, main_~node2__m2~19#1, main_~node1__m1~19#1, main_~__tmp_22~0#1, main_~assert__arg~21#1, main_~check__tmp~26#1, main_~node4____CPAchecker_TMP_1~4#1, main_~node4__m4~16#1, main_~node3__m3~21#1, main_~node2__m2~20#1, main_~node1__m1~20#1, main_~__tmp_23~0#1, main_~assert__arg~22#1, main_~check__tmp~27#1, 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main_~__tmp_169~0#1, main_~assert__arg~168#1, main_~check__tmp~174#1, main_~node1____CPAchecker_TMP_0~24#1, main_~node1____CPAchecker_TMP_1~27#1, main_~node1__m1~149#1, main_~__tmp_171~0#1, main_~assert__arg~170#1, main_~check__tmp~176#1, main_~node4__m4~104#1, main_~node3__m3~101#1, main_~node2__m2~119#1, main_~node1__m1~148#1, main_~__tmp_170~0#1, main_~assert__arg~169#1, main_~check__tmp~175#1, main_~node4____CPAchecker_TMP_0~31#1, main_~node1__m1~150#1, main_~__tmp_172~0#1, main_~assert__arg~171#1, main_~check__tmp~177#1, main_~node4____CPAchecker_TMP_1~31#1, main_~node4__m4~105#1, main_~node3__m3~102#1, main_~node2__m2~120#1, main_~node1__m1~151#1, main_~__tmp_173~0#1, main_~assert__arg~172#1, main_~check__tmp~178#1, main_~node4__m4~103#1, main_~node3____CPAchecker_TMP_1~8#1, main_~node1__m1~152#1, main_~__tmp_174~0#1, main_~assert__arg~173#1, main_~check__tmp~179#1, main_~node1____CPAchecker_TMP_1~28#1, main_~node2____CPAchecker_TMP_0~8#1, main_~node2____CPAchecker_TMP_1~10#1, main_~node2__m2~122#1, main_~node1__m1~154#1, main_~__tmp_176~0#1, main_~assert__arg~175#1, main_~check__tmp~181#1, main_~node4__m4~107#1, main_~node3__m3~103#1, main_~node2__m2~121#1, main_~node1__m1~153#1, main_~__tmp_175~0#1, main_~assert__arg~174#1, main_~check__tmp~180#1, main_~node4____CPAchecker_TMP_0~32#1, main_~node1__m1~155#1, main_~__tmp_177~0#1, main_~assert__arg~176#1, main_~check__tmp~182#1, main_~node4____CPAchecker_TMP_1~32#1, main_~node1____CPAchecker_TMP_1~29#1, main_~node1__m1~157#1, main_~__tmp_179~0#1, main_~assert__arg~178#1, main_~check__tmp~184#1, main_~node4__m4~108#1, main_~node3__m3~104#1, main_~node2__m2~123#1, main_~node1__m1~156#1, main_~__tmp_178~0#1, main_~assert__arg~177#1, main_~check__tmp~183#1, main_~node4__m4~106#1, main_~node3__m3~96#1, main_~node2____CPAchecker_TMP_0~6#1, main_~node2____CPAchecker_TMP_1~11#1, main_~node1__m1~158#1, main_~__tmp_180~0#1, main_~assert__arg~179#1, main_~check__tmp~185#1, main_~node1____CPAchecker_TMP_1~30#1, main_~node1__m1~160#1, main_~__tmp_182~0#1, main_~assert__arg~181#1, main_~check__tmp~187#1, main_~node4__m4~110#1, main_~node3__m3~106#1, main_~node2__m2~124#1, main_~node1__m1~159#1, main_~__tmp_181~0#1, main_~assert__arg~180#1, main_~check__tmp~186#1, main_~node4____CPAchecker_TMP_0~33#1, main_~node1__m1~161#1, main_~__tmp_183~0#1, main_~assert__arg~182#1, main_~check__tmp~188#1, main_~node4____CPAchecker_TMP_1~33#1, main_~node4__m4~111#1, main_~node3__m3~107#1, main_~node2__m2~125#1, main_~node1__m1~162#1, main_~__tmp_184~0#1, main_~assert__arg~183#1, main_~check__tmp~189#1, main_~node4__m4~109#1, main_~node1__m1~163#1, main_~__tmp_185~0#1, main_~assert__arg~184#1, main_~check__tmp~190#1, main_~node1____CPAchecker_TMP_1~31#1, main_~node2____CPAchecker_TMP_0~9#1, main_~node2____CPAchecker_TMP_1~12#1, main_~node2__m2~127#1, main_~node1__m1~165#1, main_~__tmp_187~0#1, main_~assert__arg~186#1, main_~check__tmp~192#1, main_~node4__m4~113#1, main_~node3__m3~108#1, main_~node2__m2~126#1, main_~node1__m1~164#1, main_~__tmp_186~0#1, main_~assert__arg~185#1, main_~check__tmp~191#1, main_~node4____CPAchecker_TMP_0~34#1, main_~node1__m1~166#1, main_~__tmp_188~0#1, main_~assert__arg~187#1, main_~check__tmp~193#1, main_~node4____CPAchecker_TMP_1~34#1, main_~node2____CPAchecker_TMP_0~10#1, main_~node2____CPAchecker_TMP_1~13#1, main_~node2__m2~129#1, main_~node1____CPAchecker_TMP_1~32#1, main_~node1__m1~168#1, main_~__tmp_190~0#1, main_~assert__arg~189#1, main_~check__tmp~195#1, main_~node4__m4~114#1, main_~node3__m3~109#1, main_~node2__m2~128#1, main_~node1__m1~167#1, main_~__tmp_189~0#1, main_~assert__arg~188#1, main_~check__tmp~194#1, main_~node4__m4~112#1, main_~node3____CPAchecker_TMP_0~9#1, main_~node1__m1~169#1, main_~__tmp_191~0#1, main_~assert__arg~190#1, main_~check__tmp~196#1, main_~node1____CPAchecker_TMP_1~33#1, main_~node1__m1~171#1, main_~__tmp_193~0#1, main_~assert__arg~192#1, main_~check__tmp~198#1, main_~node4__m4~116#1, main_~node3__m3~110#1, main_~node2__m2~130#1, main_~node1__m1~170#1, main_~__tmp_192~0#1, main_~assert__arg~191#1, main_~check__tmp~197#1, main_~node4____CPAchecker_TMP_0~35#1, main_~node1__m1~172#1, main_~__tmp_194~0#1, main_~assert__arg~193#1, main_~check__tmp~199#1, main_~node4____CPAchecker_TMP_1~35#1, main_~node4__m4~117#1, main_~node3__m3~111#1, main_~node2__m2~131#1, main_~node1__m1~173#1, main_~__tmp_195~0#1, main_~assert__arg~194#1, main_~check__tmp~200#1, main_~node4__m4~115#1, main_~node3____CPAchecker_TMP_1~9#1, main_~node1__m1~174#1, main_~__tmp_196~0#1, main_~assert__arg~195#1, main_~check__tmp~201#1, main_~node2____CPAchecker_TMP_0~11#1, main_~node2____CPAchecker_TMP_1~14#1, main_~node2__m2~133#1, main_~node1____CPAchecker_TMP_1~34#1, main_~node1__m1~176#1, main_~__tmp_198~0#1, main_~assert__arg~197#1, main_~check__tmp~203#1, main_~node4__m4~119#1, main_~node3__m3~112#1, main_~node2__m2~132#1, main_~node1__m1~175#1, main_~__tmp_197~0#1, main_~assert__arg~196#1, main_~check__tmp~202#1, main_~node4____CPAchecker_TMP_0~36#1, main_~node1__m1~177#1, main_~__tmp_199~0#1, main_~assert__arg~198#1, main_~check__tmp~204#1, main_~node4____CPAchecker_TMP_1~36#1, main_~node2____CPAchecker_TMP_1~15#1, main_~node2__m2~135#1, main_~node1____CPAchecker_TMP_1~35#1, main_~node1__m1~179#1, main_~__tmp_201~0#1, main_~assert__arg~200#1, main_~check__tmp~206#1, main_~node4__m4~120#1, main_~node3__m3~113#1, main_~node2__m2~134#1, main_~node1__m1~178#1, main_~__tmp_200~0#1, main_~assert__arg~199#1, main_~check__tmp~205#1, main_~node4__m4~118#1, main_~node3__m3~105#1, main_~node2__m2~105#1, main_~node1__m1~0#1, main_~init__tmp~0#1, main_~main__c1~0#1, main_~main__i2~0#1;havoc main_~main__c1~0#1;havoc main_~main__i2~0#1;main_~main__c1~0#1 := 0;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -128 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 127;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -128 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 127;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -128 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 127;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -128 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 127;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -128 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 127;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -128 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 127;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;assume -128 <= main_#t~nondet15#1 && main_#t~nondet15#1 <= 127;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;assume -128 <= main_#t~nondet16#1 && main_#t~nondet16#1 <= 127;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume -128 <= main_#t~nondet17#1 && main_#t~nondet17#1 <= 127;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;assume -128 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 127;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;assume -128 <= main_#t~nondet21#1 && main_#t~nondet21#1 <= 127;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;assume -128 <= main_#t~nondet22#1 && main_#t~nondet22#1 <= 127;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_~init__tmp~0#1; {25002#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:50,151 INFO L290 TraceCheckUtils]: 2: Hoare triple {25002#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~r1~0 % 256; {25002#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:50,151 INFO L290 TraceCheckUtils]: 3: Hoare triple {25002#(<= (+ ~nomsg~0 1) 0)} assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; {25002#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:50,151 INFO L290 TraceCheckUtils]: 4: Hoare triple {25002#(<= (+ ~nomsg~0 1) 0)} assume ~id1~0 >= 0; {25002#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:50,152 INFO L290 TraceCheckUtils]: 5: Hoare triple {25002#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~st1~0; {25002#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:50,152 INFO L290 TraceCheckUtils]: 6: Hoare triple {25002#(<= (+ ~nomsg~0 1) 0)} assume ~send1~0 == ~id1~0; {25002#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:50,152 INFO L290 TraceCheckUtils]: 7: Hoare triple {25002#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~mode1~0 % 256; {25002#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:50,153 INFO L290 TraceCheckUtils]: 8: Hoare triple {25002#(<= (+ ~nomsg~0 1) 0)} assume ~id2~0 >= 0; {25003#(<= (+ ~nomsg~0 1) ~id2~0)} is VALID [2022-02-20 18:47:50,153 INFO L290 TraceCheckUtils]: 9: Hoare triple {25003#(<= (+ ~nomsg~0 1) ~id2~0)} assume 0 == ~st2~0; {25003#(<= (+ ~nomsg~0 1) ~id2~0)} is VALID [2022-02-20 18:47:50,153 INFO L290 TraceCheckUtils]: 10: Hoare triple {25003#(<= (+ ~nomsg~0 1) ~id2~0)} assume ~send2~0 == ~id2~0; {25004#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:50,154 INFO L290 TraceCheckUtils]: 11: Hoare triple {25004#(<= (+ ~nomsg~0 1) ~send2~0)} assume 0 == ~mode2~0 % 256; {25004#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:50,154 INFO L290 TraceCheckUtils]: 12: Hoare triple {25004#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~id3~0 >= 0; {25004#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:50,154 INFO L290 TraceCheckUtils]: 13: Hoare triple {25004#(<= (+ ~nomsg~0 1) ~send2~0)} assume 0 == ~st3~0; {25004#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:50,154 INFO L290 TraceCheckUtils]: 14: Hoare triple {25004#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~send3~0 == ~id3~0; {25004#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:50,155 INFO L290 TraceCheckUtils]: 15: Hoare triple {25004#(<= (+ ~nomsg~0 1) ~send2~0)} assume 0 == ~mode3~0 % 256; {25004#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:50,155 INFO L290 TraceCheckUtils]: 16: Hoare triple {25004#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~id4~0 >= 0; {25004#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:50,155 INFO L290 TraceCheckUtils]: 17: Hoare triple {25004#(<= (+ ~nomsg~0 1) ~send2~0)} assume 0 == ~st4~0; {25004#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:50,156 INFO L290 TraceCheckUtils]: 18: Hoare triple {25004#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~send4~0 == ~id4~0; {25004#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:50,156 INFO L290 TraceCheckUtils]: 19: Hoare triple {25004#(<= (+ ~nomsg~0 1) ~send2~0)} assume 0 == ~mode4~0 % 256; {25004#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:50,156 INFO L290 TraceCheckUtils]: 20: Hoare triple {25004#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~id1~0 != ~id2~0; {25004#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:50,157 INFO L290 TraceCheckUtils]: 21: Hoare triple {25004#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~id1~0 != ~id3~0; {25004#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:50,157 INFO L290 TraceCheckUtils]: 22: Hoare triple {25004#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~id1~0 != ~id4~0; {25004#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:50,157 INFO L290 TraceCheckUtils]: 23: Hoare triple {25004#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~id2~0 != ~id3~0; {25004#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:50,157 INFO L290 TraceCheckUtils]: 24: Hoare triple {25004#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~id2~0 != ~id4~0; {25004#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:50,158 INFO L290 TraceCheckUtils]: 25: Hoare triple {25004#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~id3~0 != ~id4~0;main_~init__tmp~0#1 := 1;~__return_131~0 := main_~init__tmp~0#1;main_~main__i2~0#1 := ~__return_131~0; {25004#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:50,158 INFO L290 TraceCheckUtils]: 26: Hoare triple {25004#(<= (+ ~nomsg~0 1) ~send2~0)} assume 0 != main_~main__i2~0#1;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~main__i2~0#1 := 0;havoc main_~node1__m1~0#1;main_~node1__m1~0#1 := ~nomsg~0; {25004#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:50,158 INFO L290 TraceCheckUtils]: 27: Hoare triple {25004#(<= (+ ~nomsg~0 1) ~send2~0)} assume !!(0 == ~mode1~0 % 256); {25004#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:50,159 INFO L290 TraceCheckUtils]: 28: Hoare triple {25004#(<= (+ ~nomsg~0 1) ~send2~0)} assume !(0 == ~alive1~0 % 256);havoc main_~node1____CPAchecker_TMP_0~0#1; {25004#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:50,159 INFO L290 TraceCheckUtils]: 29: Hoare triple {25004#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~send1~0 != ~nomsg~0; {25004#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:50,159 INFO L290 TraceCheckUtils]: 30: Hoare triple {25004#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~p1_new~0 == ~nomsg~0;main_~node1____CPAchecker_TMP_0~0#1 := ~send1~0;~p1_new~0 := (if main_~node1____CPAchecker_TMP_0~0#1 % 256 <= 127 then main_~node1____CPAchecker_TMP_0~0#1 % 256 else main_~node1____CPAchecker_TMP_0~0#1 % 256 - 256); {25004#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:50,159 INFO L290 TraceCheckUtils]: 31: Hoare triple {25004#(<= (+ ~nomsg~0 1) ~send2~0)} ~mode1~0 := 1;havoc main_~node2__m2~0#1;main_~node2__m2~0#1 := ~nomsg~0; {25004#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:50,160 INFO L290 TraceCheckUtils]: 32: Hoare triple {25004#(<= (+ ~nomsg~0 1) ~send2~0)} assume !!(0 == ~mode2~0 % 256); {25004#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:50,160 INFO L290 TraceCheckUtils]: 33: Hoare triple {25004#(<= (+ ~nomsg~0 1) ~send2~0)} assume !(0 == ~alive2~0 % 256);havoc main_~node2____CPAchecker_TMP_0~0#1; {25004#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:47:50,160 INFO L290 TraceCheckUtils]: 34: Hoare triple {25004#(<= (+ ~nomsg~0 1) ~send2~0)} assume !(~send2~0 != ~nomsg~0);main_~node2____CPAchecker_TMP_0~0#1 := ~p2_new~0;~p2_new~0 := (if main_~node2____CPAchecker_TMP_0~0#1 % 256 <= 127 then main_~node2____CPAchecker_TMP_0~0#1 % 256 else main_~node2____CPAchecker_TMP_0~0#1 % 256 - 256);~mode2~0 := 1;havoc main_~node3__m3~17#1;main_~node3__m3~17#1 := ~nomsg~0; {25001#false} is VALID [2022-02-20 18:47:50,161 INFO L290 TraceCheckUtils]: 35: Hoare triple {25001#false} assume !!(0 == ~mode3~0 % 256); {25001#false} is VALID [2022-02-20 18:47:50,161 INFO L290 TraceCheckUtils]: 36: Hoare triple {25001#false} assume !!(0 == ~alive3~0 % 256); {25001#false} is VALID [2022-02-20 18:47:50,161 INFO L290 TraceCheckUtils]: 37: Hoare triple {25001#false} assume !(~send3~0 != ~id3~0);~mode3~0 := 1;havoc main_~node4__m4~27#1;main_~node4__m4~27#1 := ~nomsg~0; {25001#false} is VALID [2022-02-20 18:47:50,161 INFO L290 TraceCheckUtils]: 38: Hoare triple {25001#false} assume !!(0 == ~mode4~0 % 256); {25001#false} is VALID [2022-02-20 18:47:50,161 INFO L290 TraceCheckUtils]: 39: Hoare triple {25001#false} assume !(0 == ~alive4~0 % 256);havoc main_~node4____CPAchecker_TMP_0~7#1; {25001#false} is VALID [2022-02-20 18:47:50,161 INFO L290 TraceCheckUtils]: 40: Hoare triple {25001#false} assume ~send4~0 != ~nomsg~0; {25001#false} is VALID [2022-02-20 18:47:50,161 INFO L290 TraceCheckUtils]: 41: Hoare triple {25001#false} assume ~p4_new~0 == ~nomsg~0;main_~node4____CPAchecker_TMP_0~7#1 := ~send4~0;~p4_new~0 := (if main_~node4____CPAchecker_TMP_0~7#1 % 256 <= 127 then main_~node4____CPAchecker_TMP_0~7#1 % 256 else main_~node4____CPAchecker_TMP_0~7#1 % 256 - 256);~mode4~0 := 1;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~42#1; {25001#false} is VALID [2022-02-20 18:47:50,162 INFO L290 TraceCheckUtils]: 42: Hoare triple {25001#false} assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; {25001#false} is VALID [2022-02-20 18:47:50,162 INFO L290 TraceCheckUtils]: 43: Hoare triple {25001#false} assume ~r1~0 % 256 < 4;main_~check__tmp~42#1 := 1;~__return_4024~0 := main_~check__tmp~42#1;main_~main__c1~0#1 := ~__return_4024~0;havoc main_~__tmp_37~0#1;main_~__tmp_37~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~36#1;main_~assert__arg~36#1 := main_~__tmp_37~0#1; {25001#false} is VALID [2022-02-20 18:47:50,162 INFO L290 TraceCheckUtils]: 44: Hoare triple {25001#false} assume !(0 == main_~assert__arg~36#1 % 256);havoc main_~node1__m1~30#1;main_~node1__m1~30#1 := ~nomsg~0; {25001#false} is VALID [2022-02-20 18:47:50,162 INFO L290 TraceCheckUtils]: 45: Hoare triple {25001#false} assume !(0 == ~mode1~0 % 256); {25001#false} is VALID [2022-02-20 18:47:50,162 INFO L290 TraceCheckUtils]: 46: Hoare triple {25001#false} assume !(255 == ~r1~0 % 256);~r1~0 := 1 + ~r1~0 % 256;main_~node1__m1~30#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {25001#false} is VALID [2022-02-20 18:47:50,162 INFO L290 TraceCheckUtils]: 47: Hoare triple {25001#false} assume main_~node1__m1~30#1 != ~nomsg~0; {25001#false} is VALID [2022-02-20 18:47:50,162 INFO L290 TraceCheckUtils]: 48: Hoare triple {25001#false} assume !(0 == ~alive1~0 % 256); {25001#false} is VALID [2022-02-20 18:47:50,163 INFO L290 TraceCheckUtils]: 49: Hoare triple {25001#false} assume !(main_~node1__m1~30#1 > ~id1~0); {25001#false} is VALID [2022-02-20 18:47:50,163 INFO L290 TraceCheckUtils]: 50: Hoare triple {25001#false} assume main_~node1__m1~30#1 == ~id1~0;~st1~0 := 1;~mode1~0 := 0;havoc main_~node2__m2~29#1;main_~node2__m2~29#1 := ~nomsg~0; {25001#false} is VALID [2022-02-20 18:47:50,163 INFO L290 TraceCheckUtils]: 51: Hoare triple {25001#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~29#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {25001#false} is VALID [2022-02-20 18:47:50,163 INFO L290 TraceCheckUtils]: 52: Hoare triple {25001#false} assume main_~node2__m2~29#1 != ~nomsg~0; {25001#false} is VALID [2022-02-20 18:47:50,163 INFO L290 TraceCheckUtils]: 53: Hoare triple {25001#false} assume !(0 == ~alive2~0 % 256); {25001#false} is VALID [2022-02-20 18:47:50,163 INFO L290 TraceCheckUtils]: 54: Hoare triple {25001#false} assume !(main_~node2__m2~29#1 > ~id2~0); {25001#false} is VALID [2022-02-20 18:47:50,164 INFO L290 TraceCheckUtils]: 55: Hoare triple {25001#false} assume main_~node2__m2~29#1 == ~id2~0;~st2~0 := 1;~mode2~0 := 0;havoc main_~node3__m3~30#1;main_~node3__m3~30#1 := ~nomsg~0; {25001#false} is VALID [2022-02-20 18:47:50,164 INFO L290 TraceCheckUtils]: 56: Hoare triple {25001#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~30#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {25001#false} is VALID [2022-02-20 18:47:50,164 INFO L290 TraceCheckUtils]: 57: Hoare triple {25001#false} assume !(main_~node3__m3~30#1 != ~nomsg~0);~mode3~0 := 0; {25001#false} is VALID [2022-02-20 18:47:50,164 INFO L290 TraceCheckUtils]: 58: Hoare triple {25001#false} havoc main_~node4__m4~28#1;main_~node4__m4~28#1 := ~nomsg~0; {25001#false} is VALID [2022-02-20 18:47:50,164 INFO L290 TraceCheckUtils]: 59: Hoare triple {25001#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~28#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {25001#false} is VALID [2022-02-20 18:47:50,164 INFO L290 TraceCheckUtils]: 60: Hoare triple {25001#false} assume !(main_~node4__m4~28#1 != ~nomsg~0);~mode4~0 := 0; {25001#false} is VALID [2022-02-20 18:47:50,164 INFO L290 TraceCheckUtils]: 61: Hoare triple {25001#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~43#1; {25001#false} is VALID [2022-02-20 18:47:50,165 INFO L290 TraceCheckUtils]: 62: Hoare triple {25001#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~43#1 := 0;~__return_11087~0 := main_~check__tmp~43#1;main_~main__c1~0#1 := ~__return_11087~0;havoc main_~__tmp_38~0#1;main_~__tmp_38~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~37#1;main_~assert__arg~37#1 := main_~__tmp_38~0#1; {25001#false} is VALID [2022-02-20 18:47:50,165 INFO L290 TraceCheckUtils]: 63: Hoare triple {25001#false} assume 0 == main_~assert__arg~37#1 % 256; {25001#false} is VALID [2022-02-20 18:47:50,165 INFO L290 TraceCheckUtils]: 64: Hoare triple {25001#false} assume !false; {25001#false} is VALID [2022-02-20 18:47:50,165 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 18:47:50,165 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:47:50,166 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682391688] [2022-02-20 18:47:50,166 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682391688] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:47:50,166 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:47:50,166 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 18:47:50,166 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9242853] [2022-02-20 18:47:50,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:47:50,167 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-02-20 18:47:50,167 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:47:50,167 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:50,210 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:47:50,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:47:50,210 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:47:50,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:47:50,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:47:50,211 INFO L87 Difference]: Start difference. First operand 4181 states and 5582 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:59,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:47:59,500 INFO L93 Difference]: Finished difference Result 7784 states and 10420 transitions. [2022-02-20 18:47:59,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:47:59,500 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-02-20 18:47:59,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:47:59,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:59,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6930 transitions. [2022-02-20 18:47:59,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:47:59,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6930 transitions. [2022-02-20 18:47:59,557 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 6930 transitions. [2022-02-20 18:48:03,601 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 6930 edges. 6930 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:48:04,388 INFO L225 Difference]: With dead ends: 7784 [2022-02-20 18:48:04,388 INFO L226 Difference]: Without dead ends: 4765 [2022-02-20 18:48:04,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-02-20 18:48:04,392 INFO L933 BasicCegarLoop]: 1520 mSDtfsCounter, 11431 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 2210 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11431 SdHoareTripleChecker+Valid, 2077 SdHoareTripleChecker+Invalid, 2316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 2210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-02-20 18:48:04,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11431 Valid, 2077 Invalid, 2316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 2210 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-02-20 18:48:04,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4765 states. [2022-02-20 18:48:06,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4765 to 4745. [2022-02-20 18:48:06,547 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:48:06,553 INFO L82 GeneralOperation]: Start isEquivalent. First operand 4765 states. Second operand has 4745 states, 4728 states have (on average 1.3517343485617597) internal successors, (6391), 4744 states have internal predecessors, (6391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:48:06,557 INFO L74 IsIncluded]: Start isIncluded. First operand 4765 states. Second operand has 4745 states, 4728 states have (on average 1.3517343485617597) internal successors, (6391), 4744 states have internal predecessors, (6391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:48:06,563 INFO L87 Difference]: Start difference. First operand 4765 states. Second operand has 4745 states, 4728 states have (on average 1.3517343485617597) internal successors, (6391), 4744 states have internal predecessors, (6391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:48:07,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:48:07,153 INFO L93 Difference]: Finished difference Result 4765 states and 6403 transitions. [2022-02-20 18:48:07,153 INFO L276 IsEmpty]: Start isEmpty. Operand 4765 states and 6403 transitions. [2022-02-20 18:48:07,157 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:48:07,158 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:48:07,163 INFO L74 IsIncluded]: Start isIncluded. First operand has 4745 states, 4728 states have (on average 1.3517343485617597) internal successors, (6391), 4744 states have internal predecessors, (6391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 4765 states. [2022-02-20 18:48:07,168 INFO L87 Difference]: Start difference. First operand has 4745 states, 4728 states have (on average 1.3517343485617597) internal successors, (6391), 4744 states have internal predecessors, (6391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 4765 states. [2022-02-20 18:48:07,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:48:07,769 INFO L93 Difference]: Finished difference Result 4765 states and 6403 transitions. [2022-02-20 18:48:07,769 INFO L276 IsEmpty]: Start isEmpty. Operand 4765 states and 6403 transitions. [2022-02-20 18:48:07,773 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:48:07,773 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:48:07,773 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:48:07,773 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:48:07,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4745 states, 4728 states have (on average 1.3517343485617597) internal successors, (6391), 4744 states have internal predecessors, (6391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:48:08,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4745 states to 4745 states and 6391 transitions. [2022-02-20 18:48:08,619 INFO L78 Accepts]: Start accepts. Automaton has 4745 states and 6391 transitions. Word has length 65 [2022-02-20 18:48:08,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:48:08,619 INFO L470 AbstractCegarLoop]: Abstraction has 4745 states and 6391 transitions. [2022-02-20 18:48:08,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:48:08,619 INFO L276 IsEmpty]: Start isEmpty. Operand 4745 states and 6391 transitions. [2022-02-20 18:48:08,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-02-20 18:48:08,623 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:48:08,623 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] [2022-02-20 18:48:08,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 18:48:08,623 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-02-20 18:48:08,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:48:08,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1793005613, now seen corresponding path program 1 times [2022-02-20 18:48:08,624 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:48:08,624 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907003120] [2022-02-20 18:48:08,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:48:08,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:48:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:48:08,740 INFO L290 TraceCheckUtils]: 0: Hoare triple {50078#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(63, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~__return_131~0 := 0;~__return_4144~0 := 0;~__return_12707~0 := 0;~__return_4134~0 := 0;~__return_12527~0 := 0;~__return_4164~0 := 0;~__return_4154~0 := 0;~__return_4104~0 := 0;~__return_12086~0 := 0;~__return_4094~0 := 0;~__return_11920~0 := 0;~__return_4124~0 := 0;~__return_12369~0 := 0;~__return_4114~0 := 0;~__return_12206~0 := 0;~__return_4224~0 := 0;~__return_4214~0 := 0;~__return_4244~0 := 0;~__return_4234~0 := 0;~__return_4184~0 := 0;~__return_4174~0 := 0;~__return_4204~0 := 0;~__return_4194~0 := 0;~__return_3984~0 := 0;~__return_10670~0 := 0;~__return_3974~0 := 0;~__return_10504~0 := 0;~__return_4004~0 := 0;~__return_3994~0 := 0;~__return_3944~0 := 0;~__return_10147~0 := 0;~__return_3934~0 := 0;~__return_10022~0 := 0;~__return_3964~0 := 0;~__return_10376~0 := 0;~__return_3954~0 := 0;~__return_10251~0 := 0;~__return_4064~0 := 0;~__return_11604~0 := 0;~__return_4054~0 := 0;~__return_11438~0 := 0;~__return_4084~0 := 0;~__return_4074~0 := 0;~__return_4024~0 := 0;~__return_11087~0 := 0;~__return_4014~0 := 0;~__return_10962~0 := 0;~__return_4044~0 := 0;~__return_11313~0 := 0;~__return_4034~0 := 0;~__return_11188~0 := 0;~__return_4304~0 := 0;~__return_4294~0 := 0;~__return_4324~0 := 0;~__return_4314~0 := 0;~__return_4264~0 := 0;~__return_4254~0 := 0;~__return_4284~0 := 0;~__return_4274~0 := 0;~__return_4384~0 := 0;~__return_4374~0 := 0;~__return_4404~0 := 0;~__return_4394~0 := 0;~__return_4344~0 := 0;~__return_4334~0 := 0;~__return_4364~0 := 0;~__return_4354~0 := 0;~__return_3664~0 := 0;~__return_7798~0 := 0;~__return_3654~0 := 0;~__return_7632~0 := 0;~__return_3684~0 := 0;~__return_3674~0 := 0;~__return_3624~0 := 0;~__return_7275~0 := 0;~__return_3614~0 := 0;~__return_7150~0 := 0;~__return_3644~0 := 0;~__return_7504~0 := 0;~__return_3634~0 := 0;~__return_7379~0 := 0;~__return_3744~0 := 0;~__return_3734~0 := 0;~__return_3764~0 := 0;~__return_3754~0 := 0;~__return_3704~0 := 0;~__return_3694~0 := 0;~__return_3724~0 := 0;~__return_3714~0 := 0;~__return_3504~0 := 0;~__return_6177~0 := 0;~__return_3494~0 := 0;~__return_6052~0 := 0;~__return_3524~0 := 0;~__return_3514~0 := 0;~__return_3464~0 := 0;~__return_5775~0 := 0;~__return_3454~0 := 0;~__return_5674~0 := 0;~__return_3484~0 := 0;~__return_5951~0 := 0;~__return_3474~0 := 0;~__return_5850~0 := 0;~__return_3584~0 := 0;~__return_6902~0 := 0;~__return_3574~0 := 0;~__return_6777~0 := 0;~__return_3604~0 := 0;~__return_3594~0 := 0;~__return_3544~0 := 0;~__return_6500~0 := 0;~__return_3534~0 := 0;~__return_6399~0 := 0;~__return_3564~0 := 0;~__return_6676~0 := 0;~__return_3554~0 := 0;~__return_6575~0 := 0;~__return_3824~0 := 0;~__return_9055~0 := 0;~__return_3814~0 := 0;~__return_8930~0 := 0;~__return_3844~0 := 0;~__return_3834~0 := 0;~__return_3784~0 := 0;~__return_8653~0 := 0;~__return_3774~0 := 0;~__return_8552~0 := 0;~__return_3804~0 := 0;~__return_8829~0 := 0;~__return_3794~0 := 0;~__return_8728~0 := 0;~__return_3904~0 := 0;~__return_9777~0 := 0;~__return_3894~0 := 0;~__return_9652~0 := 0;~__return_3924~0 := 0;~__return_3914~0 := 0;~__return_3864~0 := 0;~__return_9375~0 := 0;~__return_3854~0 := 0;~__return_9274~0 := 0;~__return_3884~0 := 0;~__return_9551~0 := 0;~__return_3874~0 := 0;~__return_9450~0 := 0;~__return_4624~0 := 0;~__return_4614~0 := 0;~__return_15584~0 := 0;~__return_4644~0 := 0;~__return_4634~0 := 0;~__return_4584~0 := 0;~__return_4574~0 := 0;~__return_15312~0 := 0;~__return_4604~0 := 0;~__return_4594~0 := 0;~__return_15436~0 := 0;~__return_4704~0 := 0;~__return_4694~0 := 0;~__return_4724~0 := 0;~__return_4714~0 := 0;~__return_4664~0 := 0;~__return_4654~0 := 0;~__return_4684~0 := 0;~__return_4674~0 := 0;~__return_4464~0 := 0;~__return_4454~0 := 0;~__return_14704~0 := 0;~__return_4484~0 := 0;~__return_4474~0 := 0;~__return_4424~0 := 0;~__return_4414~0 := 0;~__return_14482~0 := 0;~__return_4444~0 := 0;~__return_4434~0 := 0;~__return_14580~0 := 0;~__return_4544~0 := 0;~__return_4534~0 := 0;~__return_15106~0 := 0;~__return_4564~0 := 0;~__return_4554~0 := 0;~__return_4504~0 := 0;~__return_4494~0 := 0;~__return_14884~0 := 0;~__return_4524~0 := 0;~__return_4514~0 := 0;~__return_14982~0 := 0;~__return_4784~0 := 0;~__return_4774~0 := 0;~__return_16292~0 := 0;~__return_4804~0 := 0;~__return_4794~0 := 0;~__return_4744~0 := 0;~__return_4734~0 := 0;~__return_16070~0 := 0;~__return_4764~0 := 0;~__return_4754~0 := 0;~__return_16168~0 := 0;~__return_4864~0 := 0;~__return_4854~0 := 0;~__return_16694~0 := 0;~__return_4884~0 := 0;~__return_4874~0 := 0;~__return_4824~0 := 0;~__return_4814~0 := 0;~__return_16472~0 := 0;~__return_4844~0 := 0;~__return_4834~0 := 0;~__return_16570~0 := 0; {50080#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:48:08,741 INFO L290 TraceCheckUtils]: 1: Hoare triple {50080#(<= (+ ~nomsg~0 1) 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_~check__tmp~1#1, main_~node4__m4~1#1, main_~node3__m3~1#1, main_~node2__m2~1#1, main_~node1__m1~1#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~check__tmp~3#1, main_~node4__m4~2#1, main_~node3__m3~2#1, main_~node2__m2~2#1, main_~node1__m1~2#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~2#1, main_~node4____CPAchecker_TMP_0~0#1, main_~node4__m4~3#1, main_~node3__m3~3#1, main_~node2__m2~3#1, main_~node1__m1~3#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~4#1, main_~node4____CPAchecker_TMP_1~0#1, main_~node4__m4~4#1, main_~node3__m3~4#1, main_~node2__m2~4#1, main_~node1__m1~4#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~5#1, main_~node4__m4~0#1, main_~check__tmp~7#1, main_~node4__m4~6#1, main_~node3__m3~5#1, main_~node2__m2~5#1, main_~node1__m1~5#1, main_~__tmp_5~0#1, main_~assert__arg~4#1, main_~check__tmp~6#1, main_~__tmp_7~0#1, main_~assert__arg~6#1, main_~check__tmp~9#1, main_~node4__m4~7#1, main_~node3__m3~6#1, main_~node2__m2~6#1, main_~node1__m1~6#1, main_~__tmp_6~0#1, main_~assert__arg~5#1, main_~check__tmp~8#1, main_~node4____CPAchecker_TMP_0~1#1, main_~check__tmp~11#1, main_~node4__m4~8#1, main_~node3__m3~7#1, main_~node2__m2~7#1, main_~node1__m1~7#1, main_~__tmp_8~0#1, main_~assert__arg~7#1, main_~check__tmp~10#1, main_~node4____CPAchecker_TMP_1~1#1, main_~__tmp_10~0#1, main_~assert__arg~9#1, main_~check__tmp~13#1, main_~node4__m4~9#1, main_~node3__m3~8#1, main_~node2__m2~8#1, main_~node1__m1~8#1, main_~__tmp_9~0#1, main_~assert__arg~8#1, main_~check__tmp~12#1, main_~node4__m4~5#1, main_~node3____CPAchecker_TMP_0~0#1, main_~node3__m3~9#1, main_~node2__m2~9#1, main_~node1__m1~9#1, main_~__tmp_11~0#1, main_~assert__arg~10#1, main_~check__tmp~14#1, main_~node3__m3~10#1, main_~node2__m2~10#1, main_~node1__m1~10#1, main_~__tmp_12~0#1, main_~assert__arg~11#1, main_~check__tmp~15#1, main_~node4____CPAchecker_TMP_0~2#1, main_~node3__m3~11#1, main_~node2__m2~11#1, main_~node1__m1~11#1, main_~__tmp_13~0#1, main_~assert__arg~12#1, main_~check__tmp~16#1, main_~node4____CPAchecker_TMP_1~2#1, main_~node3__m3~12#1, main_~node2__m2~12#1, main_~node1__m1~12#1, main_~__tmp_14~0#1, main_~assert__arg~13#1, main_~check__tmp~17#1, main_~node4__m4~10#1, main_~node3____CPAchecker_TMP_1~0#1, main_~node3__m3~13#1, main_~node2__m2~13#1, main_~node1__m1~13#1, main_~__tmp_15~0#1, main_~assert__arg~14#1, main_~check__tmp~18#1, main_~node3__m3~14#1, main_~node2__m2~14#1, main_~node1__m1~14#1, main_~__tmp_16~0#1, main_~assert__arg~15#1, main_~check__tmp~19#1, main_~node4____CPAchecker_TMP_0~3#1, main_~node3__m3~15#1, main_~node2__m2~15#1, main_~node1__m1~15#1, main_~__tmp_17~0#1, main_~assert__arg~16#1, main_~check__tmp~20#1, main_~node4____CPAchecker_TMP_1~3#1, main_~node3__m3~16#1, main_~node2__m2~16#1, main_~node1__m1~16#1, main_~__tmp_18~0#1, main_~assert__arg~17#1, main_~check__tmp~21#1, main_~node4__m4~11#1, main_~node3__m3~0#1, main_~check__tmp~23#1, main_~node4__m4~13#1, main_~node3__m3~18#1, main_~node2__m2~17#1, main_~node1__m1~17#1, main_~__tmp_19~0#1, main_~assert__arg~18#1, main_~check__tmp~22#1, main_~__tmp_21~0#1, main_~assert__arg~20#1, main_~check__tmp~25#1, main_~node4__m4~14#1, main_~node3__m3~19#1, main_~node2__m2~18#1, main_~node1__m1~18#1, main_~__tmp_20~0#1, main_~assert__arg~19#1, main_~check__tmp~24#1, main_~node4____CPAchecker_TMP_0~4#1, main_~node4__m4~15#1, main_~node3__m3~20#1, main_~node2__m2~19#1, main_~node1__m1~19#1, main_~__tmp_22~0#1, main_~assert__arg~21#1, main_~check__tmp~26#1, main_~node4____CPAchecker_TMP_1~4#1, main_~node4__m4~16#1, main_~node3__m3~21#1, main_~node2__m2~20#1, main_~node1__m1~20#1, main_~__tmp_23~0#1, main_~assert__arg~22#1, main_~check__tmp~27#1, main_~node4__m4~12#1, main_~__tmp_25~0#1, main_~assert__arg~24#1, main_~check__tmp~29#1, main_~node4__m4~18#1, main_~node3__m3~22#1, main_~node2__m2~21#1, main_~node1__m1~21#1, main_~__tmp_24~0#1, main_~assert__arg~23#1, main_~check__tmp~28#1, main_~__tmp_27~0#1, main_~assert__arg~26#1, main_~check__tmp~31#1, main_~node4__m4~19#1, main_~node3__m3~23#1, main_~node2__m2~22#1, main_~node1__m1~22#1, main_~__tmp_26~0#1, main_~assert__arg~25#1, main_~check__tmp~30#1, main_~node4____CPAchecker_TMP_0~5#1, main_~__tmp_29~0#1, main_~assert__arg~28#1, main_~check__tmp~33#1, main_~node4__m4~20#1, main_~node3__m3~24#1, main_~node2__m2~23#1, main_~node1__m1~23#1, main_~__tmp_28~0#1, main_~assert__arg~27#1, main_~check__tmp~32#1, main_~node4____CPAchecker_TMP_1~5#1, main_~node1____CPAchecker_TMP_0~1#1, main_~node1____CPAchecker_TMP_1~0#1, main_~node1__m1~25#1, main_~__tmp_31~0#1, main_~assert__arg~30#1, main_~check__tmp~35#1, main_~node4__m4~21#1, main_~node3__m3~25#1, main_~node2__m2~24#1, main_~node1__m1~24#1, main_~__tmp_30~0#1, main_~assert__arg~29#1, main_~check__tmp~34#1, main_~node4__m4~17#1, main_~node3____CPAchecker_TMP_0~1#1, main_~check__tmp~37#1, main_~node4__m4~23#1, main_~node3__m3~26#1, main_~node2__m2~25#1, main_~node1__m1~26#1, main_~__tmp_32~0#1, main_~assert__arg~31#1, main_~check__tmp~36#1, main_~__tmp_34~0#1, main_~assert__arg~33#1, main_~check__tmp~39#1, main_~node4__m4~24#1, main_~node3__m3~27#1, main_~node2__m2~26#1, main_~node1__m1~27#1, main_~__tmp_33~0#1, main_~assert__arg~32#1, main_~check__tmp~38#1, main_~node4____CPAchecker_TMP_0~6#1, main_~node4__m4~25#1, main_~node3__m3~28#1, main_~node2__m2~27#1, main_~node1__m1~28#1, main_~__tmp_35~0#1, main_~assert__arg~34#1, main_~check__tmp~40#1, main_~node4____CPAchecker_TMP_1~6#1, main_~node4__m4~26#1, main_~node3__m3~29#1, main_~node2__m2~28#1, main_~node1__m1~29#1, main_~__tmp_36~0#1, main_~assert__arg~35#1, main_~check__tmp~41#1, main_~node4__m4~22#1, main_~node3____CPAchecker_TMP_1~1#1, 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main_~check__tmp~132#1, main_~node4____CPAchecker_TMP_0~23#1, main_~node4__m4~82#1, main_~node3__m3~81#1, main_~node2__m2~95#1, main_~node1__m1~108#1, main_~__tmp_129~0#1, main_~assert__arg~128#1, main_~check__tmp~134#1, main_~node4____CPAchecker_TMP_1~23#1, main_~node4__m4~83#1, main_~node3__m3~82#1, main_~node2__m2~96#1, main_~node1__m1~109#1, main_~__tmp_130~0#1, main_~assert__arg~129#1, main_~check__tmp~135#1, main_~node4__m4~79#1, main_~node3____CPAchecker_TMP_1~6#1, main_~node1____CPAchecker_TMP_0~18#1, main_~node1____CPAchecker_TMP_1~17#1, main_~node1__m1~111#1, main_~__tmp_132~0#1, main_~assert__arg~131#1, main_~check__tmp~137#1, main_~node4__m4~85#1, main_~node3__m3~83#1, main_~node2__m2~97#1, main_~node1__m1~110#1, main_~__tmp_131~0#1, main_~assert__arg~130#1, main_~check__tmp~136#1, main_~node1____CPAchecker_TMP_0~19#1, main_~node1____CPAchecker_TMP_1~18#1, main_~node2____CPAchecker_TMP_1~5#1, main_~node2__m2~99#1, main_~node1__m1~113#1, main_~__tmp_134~0#1, main_~assert__arg~133#1, main_~check__tmp~139#1, main_~node4__m4~86#1, main_~node3__m3~84#1, main_~node2__m2~98#1, main_~node1__m1~112#1, main_~__tmp_133~0#1, main_~assert__arg~132#1, main_~check__tmp~138#1, main_~node4____CPAchecker_TMP_0~24#1, main_~node1____CPAchecker_TMP_0~20#1, main_~node1____CPAchecker_TMP_1~19#1, main_~node1__m1~115#1, main_~__tmp_136~0#1, main_~assert__arg~135#1, main_~check__tmp~141#1, main_~node4__m4~87#1, main_~node3__m3~85#1, main_~node2__m2~100#1, main_~node1__m1~114#1, main_~__tmp_135~0#1, main_~assert__arg~134#1, main_~check__tmp~140#1, main_~node4____CPAchecker_TMP_1~24#1, main_~node2____CPAchecker_TMP_0~4#1, main_~node2____CPAchecker_TMP_1~6#1, main_~node2__m2~102#1, main_~node2____CPAchecker_TMP_0~5#1, main_~node2____CPAchecker_TMP_1~7#1, main_~node2__m2~103#1, main_~node1____CPAchecker_TMP_0~21#1, main_~node1____CPAchecker_TMP_1~20#1, main_~node2____CPAchecker_TMP_1~8#1, main_~node2__m2~104#1, main_~node1__m1~117#1, main_~__tmp_138~0#1, main_~assert__arg~137#1, main_~check__tmp~143#1, main_~node4__m4~88#1, main_~node3__m3~86#1, main_~node2__m2~101#1, main_~node1__m1~116#1, main_~__tmp_137~0#1, main_~assert__arg~136#1, main_~check__tmp~142#1, main_~node4__m4~84#1, main_~node3__m3~70#1, main_~node2__m2~49#1, main_~node1____CPAchecker_TMP_0~0#1, main_~node1____CPAchecker_TMP_1~21#1, main_~node1__m1~118#1, main_~__tmp_139~0#1, main_~assert__arg~138#1, main_~check__tmp~144#1, main_~__tmp_141~0#1, main_~assert__arg~140#1, main_~check__tmp~146#1, main_~node4__m4~90#1, main_~node3__m3~88#1, main_~node2__m2~106#1, main_~node1__m1~119#1, main_~__tmp_140~0#1, main_~assert__arg~139#1, main_~check__tmp~145#1, main_~node4____CPAchecker_TMP_0~25#1, main_~node1__m1~120#1, main_~__tmp_142~0#1, main_~assert__arg~141#1, main_~check__tmp~147#1, main_~node4____CPAchecker_TMP_1~25#1, main_~node4__m4~91#1, main_~node3__m3~89#1, main_~node2__m2~107#1, main_~node1__m1~121#1, main_~__tmp_143~0#1, main_~assert__arg~142#1, main_~check__tmp~148#1, main_~node4__m4~89#1, main_~node1__m1~122#1, main_~__tmp_144~0#1, main_~assert__arg~143#1, main_~check__tmp~149#1, main_~node1____CPAchecker_TMP_0~22#1, main_~node1____CPAchecker_TMP_1~22#1, main_~node1__m1~124#1, main_~__tmp_146~0#1, main_~assert__arg~145#1, main_~check__tmp~151#1, main_~node4__m4~93#1, main_~node3__m3~90#1, main_~node2__m2~108#1, main_~node1__m1~123#1, main_~__tmp_145~0#1, main_~assert__arg~144#1, main_~check__tmp~150#1, main_~node4____CPAchecker_TMP_0~26#1, main_~node1__m1~125#1, main_~__tmp_147~0#1, main_~assert__arg~146#1, main_~check__tmp~152#1, main_~node4____CPAchecker_TMP_1~26#1, main_~node1____CPAchecker_TMP_1~23#1, main_~node1__m1~127#1, main_~__tmp_149~0#1, main_~assert__arg~148#1, main_~check__tmp~154#1, main_~node4__m4~94#1, main_~node3__m3~91#1, main_~node2__m2~109#1, main_~node1__m1~126#1, main_~__tmp_148~0#1, main_~assert__arg~147#1, main_~check__tmp~153#1, main_~node4__m4~92#1, main_~node3____CPAchecker_TMP_0~7#1, main_~node1__m1~128#1, main_~__tmp_150~0#1, main_~assert__arg~149#1, main_~check__tmp~155#1, main_~node3__m3~92#1, main_~node2__m2~110#1, main_~node1__m1~129#1, main_~__tmp_151~0#1, main_~assert__arg~150#1, main_~check__tmp~156#1, main_~node4____CPAchecker_TMP_0~27#1, main_~node1__m1~130#1, main_~__tmp_152~0#1, main_~assert__arg~151#1, main_~check__tmp~157#1, main_~node4____CPAchecker_TMP_1~27#1, main_~node3__m3~93#1, main_~node2__m2~111#1, main_~node1__m1~131#1, main_~__tmp_153~0#1, main_~assert__arg~152#1, main_~check__tmp~158#1, main_~node4__m4~95#1, main_~node3____CPAchecker_TMP_1~7#1, main_~node1__m1~132#1, main_~__tmp_154~0#1, main_~assert__arg~153#1, main_~check__tmp~159#1, main_~node3__m3~94#1, main_~node2__m2~112#1, main_~node1__m1~133#1, main_~__tmp_155~0#1, main_~assert__arg~154#1, main_~check__tmp~160#1, main_~node4____CPAchecker_TMP_0~28#1, main_~node1__m1~134#1, main_~__tmp_156~0#1, main_~assert__arg~155#1, main_~check__tmp~161#1, main_~node4____CPAchecker_TMP_1~28#1, main_~node3__m3~95#1, main_~node2__m2~113#1, main_~node1__m1~135#1, main_~__tmp_157~0#1, main_~assert__arg~156#1, main_~check__tmp~162#1, main_~node4__m4~96#1, main_~node3__m3~87#1, main_~node1__m1~136#1, main_~__tmp_158~0#1, main_~assert__arg~157#1, main_~check__tmp~163#1, main_~node1____CPAchecker_TMP_0~23#1, main_~node1____CPAchecker_TMP_1~24#1, main_~node1__m1~138#1, main_~__tmp_160~0#1, main_~assert__arg~159#1, main_~check__tmp~165#1, main_~node4__m4~98#1, main_~node3__m3~97#1, main_~node2__m2~114#1, main_~node1__m1~137#1, main_~__tmp_159~0#1, main_~assert__arg~158#1, main_~check__tmp~164#1, main_~node4____CPAchecker_TMP_0~29#1, main_~node1__m1~139#1, main_~__tmp_161~0#1, main_~assert__arg~160#1, main_~check__tmp~166#1, main_~node4____CPAchecker_TMP_1~29#1, main_~node4__m4~99#1, main_~node3__m3~98#1, main_~node2__m2~115#1, main_~node1__m1~140#1, main_~__tmp_162~0#1, main_~assert__arg~161#1, main_~check__tmp~167#1, main_~node4__m4~97#1, main_~node1__m1~141#1, main_~__tmp_163~0#1, main_~assert__arg~162#1, main_~check__tmp~168#1, main_~node1____CPAchecker_TMP_1~25#1, main_~node1__m1~143#1, main_~__tmp_165~0#1, main_~assert__arg~164#1, main_~check__tmp~170#1, main_~node4__m4~101#1, main_~node3__m3~99#1, main_~node2__m2~116#1, main_~node1__m1~142#1, main_~__tmp_164~0#1, main_~assert__arg~163#1, main_~check__tmp~169#1, main_~node4____CPAchecker_TMP_0~30#1, main_~node1__m1~144#1, main_~__tmp_166~0#1, main_~assert__arg~165#1, main_~check__tmp~171#1, main_~node4____CPAchecker_TMP_1~30#1, main_~node1____CPAchecker_TMP_1~26#1, main_~node2____CPAchecker_TMP_0~7#1, main_~node2____CPAchecker_TMP_1~9#1, main_~node2__m2~118#1, main_~node1__m1~146#1, main_~__tmp_168~0#1, main_~assert__arg~167#1, main_~check__tmp~173#1, main_~node4__m4~102#1, main_~node3__m3~100#1, main_~node2__m2~117#1, main_~node1__m1~145#1, main_~__tmp_167~0#1, main_~assert__arg~166#1, main_~check__tmp~172#1, main_~node4__m4~100#1, main_~node3____CPAchecker_TMP_0~8#1, main_~node1__m1~147#1, main_~__tmp_169~0#1, main_~assert__arg~168#1, main_~check__tmp~174#1, main_~node1____CPAchecker_TMP_0~24#1, main_~node1____CPAchecker_TMP_1~27#1, main_~node1__m1~149#1, main_~__tmp_171~0#1, main_~assert__arg~170#1, main_~check__tmp~176#1, main_~node4__m4~104#1, main_~node3__m3~101#1, main_~node2__m2~119#1, main_~node1__m1~148#1, main_~__tmp_170~0#1, main_~assert__arg~169#1, main_~check__tmp~175#1, main_~node4____CPAchecker_TMP_0~31#1, main_~node1__m1~150#1, main_~__tmp_172~0#1, main_~assert__arg~171#1, main_~check__tmp~177#1, main_~node4____CPAchecker_TMP_1~31#1, main_~node4__m4~105#1, main_~node3__m3~102#1, main_~node2__m2~120#1, main_~node1__m1~151#1, main_~__tmp_173~0#1, main_~assert__arg~172#1, main_~check__tmp~178#1, main_~node4__m4~103#1, main_~node3____CPAchecker_TMP_1~8#1, main_~node1__m1~152#1, main_~__tmp_174~0#1, main_~assert__arg~173#1, main_~check__tmp~179#1, main_~node1____CPAchecker_TMP_1~28#1, main_~node2____CPAchecker_TMP_0~8#1, main_~node2____CPAchecker_TMP_1~10#1, main_~node2__m2~122#1, main_~node1__m1~154#1, main_~__tmp_176~0#1, main_~assert__arg~175#1, main_~check__tmp~181#1, main_~node4__m4~107#1, main_~node3__m3~103#1, main_~node2__m2~121#1, main_~node1__m1~153#1, main_~__tmp_175~0#1, main_~assert__arg~174#1, main_~check__tmp~180#1, main_~node4____CPAchecker_TMP_0~32#1, main_~node1__m1~155#1, main_~__tmp_177~0#1, main_~assert__arg~176#1, main_~check__tmp~182#1, main_~node4____CPAchecker_TMP_1~32#1, main_~node1____CPAchecker_TMP_1~29#1, main_~node1__m1~157#1, main_~__tmp_179~0#1, main_~assert__arg~178#1, main_~check__tmp~184#1, main_~node4__m4~108#1, main_~node3__m3~104#1, main_~node2__m2~123#1, main_~node1__m1~156#1, main_~__tmp_178~0#1, main_~assert__arg~177#1, main_~check__tmp~183#1, main_~node4__m4~106#1, main_~node3__m3~96#1, main_~node2____CPAchecker_TMP_0~6#1, main_~node2____CPAchecker_TMP_1~11#1, main_~node1__m1~158#1, main_~__tmp_180~0#1, main_~assert__arg~179#1, main_~check__tmp~185#1, main_~node1____CPAchecker_TMP_1~30#1, main_~node1__m1~160#1, main_~__tmp_182~0#1, main_~assert__arg~181#1, main_~check__tmp~187#1, main_~node4__m4~110#1, main_~node3__m3~106#1, main_~node2__m2~124#1, main_~node1__m1~159#1, main_~__tmp_181~0#1, main_~assert__arg~180#1, main_~check__tmp~186#1, main_~node4____CPAchecker_TMP_0~33#1, main_~node1__m1~161#1, main_~__tmp_183~0#1, main_~assert__arg~182#1, main_~check__tmp~188#1, main_~node4____CPAchecker_TMP_1~33#1, main_~node4__m4~111#1, main_~node3__m3~107#1, main_~node2__m2~125#1, main_~node1__m1~162#1, main_~__tmp_184~0#1, main_~assert__arg~183#1, main_~check__tmp~189#1, main_~node4__m4~109#1, main_~node1__m1~163#1, main_~__tmp_185~0#1, main_~assert__arg~184#1, main_~check__tmp~190#1, main_~node1____CPAchecker_TMP_1~31#1, main_~node2____CPAchecker_TMP_0~9#1, main_~node2____CPAchecker_TMP_1~12#1, main_~node2__m2~127#1, main_~node1__m1~165#1, main_~__tmp_187~0#1, main_~assert__arg~186#1, main_~check__tmp~192#1, main_~node4__m4~113#1, main_~node3__m3~108#1, main_~node2__m2~126#1, main_~node1__m1~164#1, main_~__tmp_186~0#1, main_~assert__arg~185#1, main_~check__tmp~191#1, main_~node4____CPAchecker_TMP_0~34#1, main_~node1__m1~166#1, main_~__tmp_188~0#1, main_~assert__arg~187#1, main_~check__tmp~193#1, main_~node4____CPAchecker_TMP_1~34#1, main_~node2____CPAchecker_TMP_0~10#1, main_~node2____CPAchecker_TMP_1~13#1, main_~node2__m2~129#1, main_~node1____CPAchecker_TMP_1~32#1, main_~node1__m1~168#1, main_~__tmp_190~0#1, main_~assert__arg~189#1, main_~check__tmp~195#1, main_~node4__m4~114#1, main_~node3__m3~109#1, main_~node2__m2~128#1, main_~node1__m1~167#1, main_~__tmp_189~0#1, main_~assert__arg~188#1, main_~check__tmp~194#1, main_~node4__m4~112#1, main_~node3____CPAchecker_TMP_0~9#1, main_~node1__m1~169#1, main_~__tmp_191~0#1, main_~assert__arg~190#1, main_~check__tmp~196#1, main_~node1____CPAchecker_TMP_1~33#1, main_~node1__m1~171#1, main_~__tmp_193~0#1, main_~assert__arg~192#1, main_~check__tmp~198#1, main_~node4__m4~116#1, main_~node3__m3~110#1, main_~node2__m2~130#1, main_~node1__m1~170#1, main_~__tmp_192~0#1, main_~assert__arg~191#1, main_~check__tmp~197#1, main_~node4____CPAchecker_TMP_0~35#1, main_~node1__m1~172#1, main_~__tmp_194~0#1, main_~assert__arg~193#1, main_~check__tmp~199#1, main_~node4____CPAchecker_TMP_1~35#1, main_~node4__m4~117#1, main_~node3__m3~111#1, main_~node2__m2~131#1, main_~node1__m1~173#1, main_~__tmp_195~0#1, main_~assert__arg~194#1, main_~check__tmp~200#1, main_~node4__m4~115#1, main_~node3____CPAchecker_TMP_1~9#1, main_~node1__m1~174#1, main_~__tmp_196~0#1, main_~assert__arg~195#1, main_~check__tmp~201#1, main_~node2____CPAchecker_TMP_0~11#1, main_~node2____CPAchecker_TMP_1~14#1, main_~node2__m2~133#1, main_~node1____CPAchecker_TMP_1~34#1, main_~node1__m1~176#1, main_~__tmp_198~0#1, main_~assert__arg~197#1, main_~check__tmp~203#1, main_~node4__m4~119#1, main_~node3__m3~112#1, main_~node2__m2~132#1, main_~node1__m1~175#1, main_~__tmp_197~0#1, main_~assert__arg~196#1, main_~check__tmp~202#1, main_~node4____CPAchecker_TMP_0~36#1, main_~node1__m1~177#1, main_~__tmp_199~0#1, main_~assert__arg~198#1, main_~check__tmp~204#1, main_~node4____CPAchecker_TMP_1~36#1, main_~node2____CPAchecker_TMP_1~15#1, main_~node2__m2~135#1, main_~node1____CPAchecker_TMP_1~35#1, main_~node1__m1~179#1, main_~__tmp_201~0#1, main_~assert__arg~200#1, main_~check__tmp~206#1, main_~node4__m4~120#1, main_~node3__m3~113#1, main_~node2__m2~134#1, main_~node1__m1~178#1, main_~__tmp_200~0#1, main_~assert__arg~199#1, main_~check__tmp~205#1, main_~node4__m4~118#1, main_~node3__m3~105#1, main_~node2__m2~105#1, main_~node1__m1~0#1, main_~init__tmp~0#1, main_~main__c1~0#1, main_~main__i2~0#1;havoc main_~main__c1~0#1;havoc main_~main__i2~0#1;main_~main__c1~0#1 := 0;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -128 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 127;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -128 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 127;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -128 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 127;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -128 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 127;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -128 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 127;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -128 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 127;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;assume -128 <= main_#t~nondet15#1 && main_#t~nondet15#1 <= 127;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;assume -128 <= main_#t~nondet16#1 && main_#t~nondet16#1 <= 127;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume -128 <= main_#t~nondet17#1 && main_#t~nondet17#1 <= 127;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;assume -128 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 127;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;assume -128 <= main_#t~nondet21#1 && main_#t~nondet21#1 <= 127;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;assume -128 <= main_#t~nondet22#1 && main_#t~nondet22#1 <= 127;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_~init__tmp~0#1; {50080#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:48:08,741 INFO L290 TraceCheckUtils]: 2: Hoare triple {50080#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~r1~0 % 256; {50080#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:48:08,742 INFO L290 TraceCheckUtils]: 3: Hoare triple {50080#(<= (+ ~nomsg~0 1) 0)} assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; {50080#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:48:08,742 INFO L290 TraceCheckUtils]: 4: Hoare triple {50080#(<= (+ ~nomsg~0 1) 0)} assume ~id1~0 >= 0; {50080#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:48:08,742 INFO L290 TraceCheckUtils]: 5: Hoare triple {50080#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~st1~0; {50080#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:48:08,743 INFO L290 TraceCheckUtils]: 6: Hoare triple {50080#(<= (+ ~nomsg~0 1) 0)} assume ~send1~0 == ~id1~0; {50080#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:48:08,743 INFO L290 TraceCheckUtils]: 7: Hoare triple {50080#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~mode1~0 % 256; {50080#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:48:08,743 INFO L290 TraceCheckUtils]: 8: Hoare triple {50080#(<= (+ ~nomsg~0 1) 0)} assume ~id2~0 >= 0; {50080#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:48:08,744 INFO L290 TraceCheckUtils]: 9: Hoare triple {50080#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~st2~0; {50080#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:48:08,744 INFO L290 TraceCheckUtils]: 10: Hoare triple {50080#(<= (+ ~nomsg~0 1) 0)} assume ~send2~0 == ~id2~0; {50080#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:48:08,744 INFO L290 TraceCheckUtils]: 11: Hoare triple {50080#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~mode2~0 % 256; {50080#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:48:08,744 INFO L290 TraceCheckUtils]: 12: Hoare triple {50080#(<= (+ ~nomsg~0 1) 0)} assume ~id3~0 >= 0; {50080#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:48:08,745 INFO L290 TraceCheckUtils]: 13: Hoare triple {50080#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~st3~0; {50080#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:48:08,745 INFO L290 TraceCheckUtils]: 14: Hoare triple {50080#(<= (+ ~nomsg~0 1) 0)} assume ~send3~0 == ~id3~0; {50080#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:48:08,745 INFO L290 TraceCheckUtils]: 15: Hoare triple {50080#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~mode3~0 % 256; {50080#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:48:08,746 INFO L290 TraceCheckUtils]: 16: Hoare triple {50080#(<= (+ ~nomsg~0 1) 0)} assume ~id4~0 >= 0; {50081#(<= (+ ~nomsg~0 1) ~id4~0)} is VALID [2022-02-20 18:48:08,746 INFO L290 TraceCheckUtils]: 17: Hoare triple {50081#(<= (+ ~nomsg~0 1) ~id4~0)} assume 0 == ~st4~0; {50081#(<= (+ ~nomsg~0 1) ~id4~0)} is VALID [2022-02-20 18:48:08,746 INFO L290 TraceCheckUtils]: 18: Hoare triple {50081#(<= (+ ~nomsg~0 1) ~id4~0)} assume ~send4~0 == ~id4~0; {50082#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:48:08,747 INFO L290 TraceCheckUtils]: 19: Hoare triple {50082#(<= (+ ~nomsg~0 1) ~send4~0)} assume 0 == ~mode4~0 % 256; {50082#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:48:08,747 INFO L290 TraceCheckUtils]: 20: Hoare triple {50082#(<= (+ ~nomsg~0 1) ~send4~0)} assume ~id1~0 != ~id2~0; {50082#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:48:08,747 INFO L290 TraceCheckUtils]: 21: Hoare triple {50082#(<= (+ ~nomsg~0 1) ~send4~0)} assume ~id1~0 != ~id3~0; {50082#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:48:08,748 INFO L290 TraceCheckUtils]: 22: Hoare triple {50082#(<= (+ ~nomsg~0 1) ~send4~0)} assume ~id1~0 != ~id4~0; {50082#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:48:08,748 INFO L290 TraceCheckUtils]: 23: Hoare triple {50082#(<= (+ ~nomsg~0 1) ~send4~0)} assume ~id2~0 != ~id3~0; {50082#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:48:08,748 INFO L290 TraceCheckUtils]: 24: Hoare triple {50082#(<= (+ ~nomsg~0 1) ~send4~0)} assume ~id2~0 != ~id4~0; {50082#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:48:08,748 INFO L290 TraceCheckUtils]: 25: Hoare triple {50082#(<= (+ ~nomsg~0 1) ~send4~0)} assume ~id3~0 != ~id4~0;main_~init__tmp~0#1 := 1;~__return_131~0 := main_~init__tmp~0#1;main_~main__i2~0#1 := ~__return_131~0; {50082#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:48:08,749 INFO L290 TraceCheckUtils]: 26: Hoare triple {50082#(<= (+ ~nomsg~0 1) ~send4~0)} assume 0 != main_~main__i2~0#1;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~main__i2~0#1 := 0;havoc main_~node1__m1~0#1;main_~node1__m1~0#1 := ~nomsg~0; {50082#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:48:08,749 INFO L290 TraceCheckUtils]: 27: Hoare triple {50082#(<= (+ ~nomsg~0 1) ~send4~0)} assume !!(0 == ~mode1~0 % 256); {50082#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:48:08,749 INFO L290 TraceCheckUtils]: 28: Hoare triple {50082#(<= (+ ~nomsg~0 1) ~send4~0)} assume !!(0 == ~alive1~0 % 256); {50082#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:48:08,750 INFO L290 TraceCheckUtils]: 29: Hoare triple {50082#(<= (+ ~nomsg~0 1) ~send4~0)} assume !(~send1~0 != ~id1~0); {50082#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:48:08,750 INFO L290 TraceCheckUtils]: 30: Hoare triple {50082#(<= (+ ~nomsg~0 1) ~send4~0)} ~mode1~0 := 1;havoc main_~node2__m2~105#1;main_~node2__m2~105#1 := ~nomsg~0; {50082#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:48:08,751 INFO L290 TraceCheckUtils]: 31: Hoare triple {50082#(<= (+ ~nomsg~0 1) ~send4~0)} assume !!(0 == ~mode2~0 % 256); {50082#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:48:08,751 INFO L290 TraceCheckUtils]: 32: Hoare triple {50082#(<= (+ ~nomsg~0 1) ~send4~0)} assume !(0 == ~alive2~0 % 256);havoc main_~node2____CPAchecker_TMP_0~6#1; {50082#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:48:08,751 INFO L290 TraceCheckUtils]: 33: Hoare triple {50082#(<= (+ ~nomsg~0 1) ~send4~0)} assume ~send2~0 != ~nomsg~0; {50082#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:48:08,751 INFO L290 TraceCheckUtils]: 34: Hoare triple {50082#(<= (+ ~nomsg~0 1) ~send4~0)} assume ~p2_new~0 == ~nomsg~0;main_~node2____CPAchecker_TMP_0~6#1 := ~send2~0;~p2_new~0 := (if main_~node2____CPAchecker_TMP_0~6#1 % 256 <= 127 then main_~node2____CPAchecker_TMP_0~6#1 % 256 else main_~node2____CPAchecker_TMP_0~6#1 % 256 - 256); {50082#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:48:08,752 INFO L290 TraceCheckUtils]: 35: Hoare triple {50082#(<= (+ ~nomsg~0 1) ~send4~0)} ~mode2~0 := 1;havoc main_~node3__m3~87#1;main_~node3__m3~87#1 := ~nomsg~0; {50082#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:48:08,760 INFO L290 TraceCheckUtils]: 36: Hoare triple {50082#(<= (+ ~nomsg~0 1) ~send4~0)} assume !!(0 == ~mode3~0 % 256); {50082#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:48:08,760 INFO L290 TraceCheckUtils]: 37: Hoare triple {50082#(<= (+ ~nomsg~0 1) ~send4~0)} assume !(0 == ~alive3~0 % 256);havoc main_~node3____CPAchecker_TMP_0~7#1; {50082#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:48:08,760 INFO L290 TraceCheckUtils]: 38: Hoare triple {50082#(<= (+ ~nomsg~0 1) ~send4~0)} assume ~send3~0 != ~nomsg~0; {50082#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:48:08,761 INFO L290 TraceCheckUtils]: 39: Hoare triple {50082#(<= (+ ~nomsg~0 1) ~send4~0)} assume ~p3_new~0 == ~nomsg~0;main_~node3____CPAchecker_TMP_0~7#1 := ~send3~0;~p3_new~0 := (if main_~node3____CPAchecker_TMP_0~7#1 % 256 <= 127 then main_~node3____CPAchecker_TMP_0~7#1 % 256 else main_~node3____CPAchecker_TMP_0~7#1 % 256 - 256);~mode3~0 := 1;havoc main_~node4__m4~89#1;main_~node4__m4~89#1 := ~nomsg~0; {50082#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:48:08,761 INFO L290 TraceCheckUtils]: 40: Hoare triple {50082#(<= (+ ~nomsg~0 1) ~send4~0)} assume !!(0 == ~mode4~0 % 256); {50082#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:48:08,762 INFO L290 TraceCheckUtils]: 41: Hoare triple {50082#(<= (+ ~nomsg~0 1) ~send4~0)} assume !(0 == ~alive4~0 % 256);havoc main_~node4____CPAchecker_TMP_0~25#1; {50082#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:48:08,762 INFO L290 TraceCheckUtils]: 42: Hoare triple {50082#(<= (+ ~nomsg~0 1) ~send4~0)} assume !(~send4~0 != ~nomsg~0);main_~node4____CPAchecker_TMP_0~25#1 := ~p4_new~0;~p4_new~0 := (if main_~node4____CPAchecker_TMP_0~25#1 % 256 <= 127 then main_~node4____CPAchecker_TMP_0~25#1 % 256 else main_~node4____CPAchecker_TMP_0~25#1 % 256 - 256);~mode4~0 := 1;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~145#1; {50079#false} is VALID [2022-02-20 18:48:08,762 INFO L290 TraceCheckUtils]: 43: Hoare triple {50079#false} assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; {50079#false} is VALID [2022-02-20 18:48:08,762 INFO L290 TraceCheckUtils]: 44: Hoare triple {50079#false} assume ~r1~0 % 256 < 4;main_~check__tmp~145#1 := 1;~__return_4614~0 := main_~check__tmp~145#1;main_~main__c1~0#1 := ~__return_4614~0;havoc main_~__tmp_140~0#1;main_~__tmp_140~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~139#1;main_~assert__arg~139#1 := main_~__tmp_140~0#1; {50079#false} is VALID [2022-02-20 18:48:08,762 INFO L290 TraceCheckUtils]: 45: Hoare triple {50079#false} assume !(0 == main_~assert__arg~139#1 % 256);havoc main_~node1__m1~119#1;main_~node1__m1~119#1 := ~nomsg~0; {50079#false} is VALID [2022-02-20 18:48:08,763 INFO L290 TraceCheckUtils]: 46: Hoare triple {50079#false} assume !(0 == ~mode1~0 % 256); {50079#false} is VALID [2022-02-20 18:48:08,763 INFO L290 TraceCheckUtils]: 47: Hoare triple {50079#false} assume !(255 == ~r1~0 % 256);~r1~0 := 1 + ~r1~0 % 256;main_~node1__m1~119#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {50079#false} is VALID [2022-02-20 18:48:08,763 INFO L290 TraceCheckUtils]: 48: Hoare triple {50079#false} assume !(main_~node1__m1~119#1 != ~nomsg~0);~mode1~0 := 0; {50079#false} is VALID [2022-02-20 18:48:08,763 INFO L290 TraceCheckUtils]: 49: Hoare triple {50079#false} havoc main_~node2__m2~106#1;main_~node2__m2~106#1 := ~nomsg~0; {50079#false} is VALID [2022-02-20 18:48:08,763 INFO L290 TraceCheckUtils]: 50: Hoare triple {50079#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~106#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {50079#false} is VALID [2022-02-20 18:48:08,763 INFO L290 TraceCheckUtils]: 51: Hoare triple {50079#false} assume !(main_~node2__m2~106#1 != ~nomsg~0);~mode2~0 := 0;havoc main_~node3__m3~88#1;main_~node3__m3~88#1 := ~nomsg~0; {50079#false} is VALID [2022-02-20 18:48:08,765 INFO L290 TraceCheckUtils]: 52: Hoare triple {50079#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~88#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {50079#false} is VALID [2022-02-20 18:48:08,765 INFO L290 TraceCheckUtils]: 53: Hoare triple {50079#false} assume main_~node3__m3~88#1 != ~nomsg~0; {50079#false} is VALID [2022-02-20 18:48:08,765 INFO L290 TraceCheckUtils]: 54: Hoare triple {50079#false} assume !(0 == ~alive3~0 % 256); {50079#false} is VALID [2022-02-20 18:48:08,766 INFO L290 TraceCheckUtils]: 55: Hoare triple {50079#false} assume !(main_~node3__m3~88#1 > ~id3~0); {50079#false} is VALID [2022-02-20 18:48:08,766 INFO L290 TraceCheckUtils]: 56: Hoare triple {50079#false} assume main_~node3__m3~88#1 == ~id3~0;~st3~0 := 1;~mode3~0 := 0;havoc main_~node4__m4~90#1;main_~node4__m4~90#1 := ~nomsg~0; {50079#false} is VALID [2022-02-20 18:48:08,766 INFO L290 TraceCheckUtils]: 57: Hoare triple {50079#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~90#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {50079#false} is VALID [2022-02-20 18:48:08,766 INFO L290 TraceCheckUtils]: 58: Hoare triple {50079#false} assume main_~node4__m4~90#1 != ~nomsg~0; {50079#false} is VALID [2022-02-20 18:48:08,766 INFO L290 TraceCheckUtils]: 59: Hoare triple {50079#false} assume !(0 == ~alive4~0 % 256); {50079#false} is VALID [2022-02-20 18:48:08,766 INFO L290 TraceCheckUtils]: 60: Hoare triple {50079#false} assume !(main_~node4__m4~90#1 > ~id4~0); {50079#false} is VALID [2022-02-20 18:48:08,766 INFO L290 TraceCheckUtils]: 61: Hoare triple {50079#false} assume main_~node4__m4~90#1 == ~id4~0;~st4~0 := 1;~mode4~0 := 0;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~146#1; {50079#false} is VALID [2022-02-20 18:48:08,767 INFO L290 TraceCheckUtils]: 62: Hoare triple {50079#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~146#1 := 0;~__return_15584~0 := main_~check__tmp~146#1;main_~main__c1~0#1 := ~__return_15584~0;havoc main_~__tmp_141~0#1;main_~__tmp_141~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~140#1;main_~assert__arg~140#1 := main_~__tmp_141~0#1; {50079#false} is VALID [2022-02-20 18:48:08,767 INFO L290 TraceCheckUtils]: 63: Hoare triple {50079#false} assume 0 == main_~assert__arg~140#1 % 256; {50079#false} is VALID [2022-02-20 18:48:08,767 INFO L290 TraceCheckUtils]: 64: Hoare triple {50079#false} assume !false; {50079#false} is VALID [2022-02-20 18:48:08,767 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 18:48:08,767 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:48:08,767 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907003120] [2022-02-20 18:48:08,768 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907003120] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:48:08,768 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:48:08,768 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 18:48:08,768 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106530815] [2022-02-20 18:48:08,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:48:08,768 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-02-20 18:48:08,769 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:48:08,769 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:48:08,817 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:48:08,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:48:08,818 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:48:08,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:48:08,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:48:08,819 INFO L87 Difference]: Start difference. First operand 4745 states and 6391 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)