./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.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.4.2.ufo.BOUNDED-8.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 d0b255ca8288d7fec2d600e13b499a216c3c13b3ba13eac2e9a1248f762a9435 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 18:46:15,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 18:46:15,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 18:46:16,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 18:46:16,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 18:46:16,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 18:46:16,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 18:46:16,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 18:46:16,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 18:46:16,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 18:46:16,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 18:46:16,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 18:46:16,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 18:46:16,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 18:46:16,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 18:46:16,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 18:46:16,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 18:46:16,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 18:46:16,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 18:46:16,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 18:46:16,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 18:46:16,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 18:46:16,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 18:46:16,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 18:46:16,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 18:46:16,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 18:46:16,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 18:46:16,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 18:46:16,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 18:46:16,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 18:46:16,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 18:46:16,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 18:46:16,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 18:46:16,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 18:46:16,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 18:46:16,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 18:46:16,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 18:46:16,052 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 18:46:16,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 18:46:16,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 18:46:16,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 18:46:16,055 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 18:46:16,078 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 18:46:16,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 18:46:16,079 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 18:46:16,079 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 18:46:16,080 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 18:46:16,080 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 18:46:16,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 18:46:16,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 18:46:16,081 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 18:46:16,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 18:46:16,082 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 18:46:16,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 18:46:16,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 18:46:16,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 18:46:16,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 18:46:16,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 18:46:16,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 18:46:16,083 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 18:46:16,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 18:46:16,083 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 18:46:16,083 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 18:46:16,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 18:46:16,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 18:46:16,084 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 18:46:16,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:46:16,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 18:46:16,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 18:46:16,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 18:46:16,084 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 18:46:16,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 18:46:16,085 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 18:46:16,085 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 18:46:16,085 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 18:46:16,085 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0b255ca8288d7fec2d600e13b499a216c3c13b3ba13eac2e9a1248f762a9435 [2022-02-20 18:46:16,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 18:46:16,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 18:46:16,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 18:46:16,333 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 18:46:16,334 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 18:46:16,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2022-02-20 18:46:16,372 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9ed54d13/f35e1b7a5cea479faa153bc38992b0a1/FLAGec14a0686 [2022-02-20 18:46:16,948 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 18:46:16,949 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2022-02-20 18:46:16,979 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9ed54d13/f35e1b7a5cea479faa153bc38992b0a1/FLAGec14a0686 [2022-02-20 18:46:17,361 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9ed54d13/f35e1b7a5cea479faa153bc38992b0a1 [2022-02-20 18:46:17,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 18:46:17,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 18:46:17,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 18:46:17,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 18:46:17,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 18:46:17,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:46:17" (1/1) ... [2022-02-20 18:46:17,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7384dd3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:46:17, skipping insertion in model container [2022-02-20 18:46:17,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:46:17" (1/1) ... [2022-02-20 18:46:17,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 18:46:17,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 18:46:17,921 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.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32048,32061] [2022-02-20 18:46:18,009 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.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[55802,55815] [2022-02-20 18:46:18,031 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.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[64372,64385] [2022-02-20 18:46:18,112 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.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[91775,91788] [2022-02-20 18:46:18,137 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.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[106857,106870] [2022-02-20 18:46:18,178 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.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[123963,123976] [2022-02-20 18:46:18,200 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.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[141761,141774] [2022-02-20 18:46:18,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:46:18,324 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 18:46:18,399 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.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32048,32061] [2022-02-20 18:46:18,429 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.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[55802,55815] [2022-02-20 18:46:18,439 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.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[64372,64385] [2022-02-20 18:46:18,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[91775,91788] [2022-02-20 18:46:18,486 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.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[106857,106870] [2022-02-20 18:46:18,505 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.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[123963,123976] [2022-02-20 18:46:18,535 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.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[141761,141774] [2022-02-20 18:46:18,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:46:18,655 INFO L208 MainTranslator]: Completed translation [2022-02-20 18:46:18,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:46:18 WrapperNode [2022-02-20 18:46:18,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 18:46:18,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 18:46:18,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 18:46:18,657 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 18:46:18,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:46:18" (1/1) ... [2022-02-20 18:46:18,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:46:18" (1/1) ... [2022-02-20 18:46:18,821 INFO L137 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 9522 [2022-02-20 18:46:18,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 18:46:18,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 18:46:18,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 18:46:18,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 18:46:18,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:46:18" (1/1) ... [2022-02-20 18:46:18,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:46:18" (1/1) ... [2022-02-20 18:46:18,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:46:18" (1/1) ... [2022-02-20 18:46:18,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:46:18" (1/1) ... [2022-02-20 18:46:18,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:46:18" (1/1) ... [2022-02-20 18:46:18,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:46:18" (1/1) ... [2022-02-20 18:46:18,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:46:18" (1/1) ... [2022-02-20 18:46:18,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 18:46:18,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 18:46:18,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 18:46:18,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 18:46:18,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:46:18" (1/1) ... [2022-02-20 18:46:18,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:46:18,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:46:19,002 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 18:46:19,019 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 18:46:19,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 18:46:19,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 18:46:19,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 18:46:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 18:46:19,324 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 18:46:19,326 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 18:46:22,698 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 18:46:22,712 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 18:46:22,713 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 18:46:22,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:46:22 BoogieIcfgContainer [2022-02-20 18:46:22,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 18:46:22,716 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 18:46:22,716 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 18:46:22,719 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 18:46:22,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 06:46:17" (1/3) ... [2022-02-20 18:46:22,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdd7cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:46:22, skipping insertion in model container [2022-02-20 18:46:22,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:46:18" (2/3) ... [2022-02-20 18:46:22,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdd7cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:46:22, skipping insertion in model container [2022-02-20 18:46:22,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:46:22" (3/3) ... [2022-02-20 18:46:22,721 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2022-02-20 18:46:22,724 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 18:46:22,725 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-02-20 18:46:22,757 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 18:46:22,760 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 18:46:22,760 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-20 18:46:22,795 INFO L276 IsEmpty]: Start isEmpty. Operand has 2046 states, 2038 states have (on average 1.776251226692836) internal successors, (3620), 2045 states have internal predecessors, (3620), 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 18:46:22,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-02-20 18:46:22,825 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:46:22,826 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 18:46:22,826 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 18:46:22,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:46:22,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1414704703, now seen corresponding path program 1 times [2022-02-20 18:46:22,837 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:46:22,837 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108841269] [2022-02-20 18:46:22,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:46:22,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:46:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:46:23,203 INFO L290 TraceCheckUtils]: 0: Hoare triple {2049#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(65, 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_130~0 := 0;~__return_2064~0 := 0;~__tmp_7506_0~0 := 0;~__return_7565~0 := 0;~__return_7545~0 := 0;~__return_2074~0 := 0;~__return_2044~0 := 0;~__tmp_6806_0~0 := 0;~__return_6883~0 := 0;~__tmp_6794_0~0 := 0;~__return_6863~0 := 0;~__tmp_6782_0~0 := 0;~__return_6855~0 := 0;~__tmp_6770_0~0 := 0;~__return_6847~0 := 0;~__return_2054~0 := 0;~__tmp_7042_0~0 := 0;~__return_7075~0 := 0;~__tmp_7030_0~0 := 0;~__return_7067~0 := 0;~__return_2104~0 := 0;~__return_2114~0 := 0;~__return_2084~0 := 0;~__return_2094~0 := 0;~__return_1984~0 := 0;~__tmp_5151_0~0 := 0;~__return_5380~0 := 0;~__tmp_5139_0~0 := 0;~__return_5360~0 := 0;~__tmp_5127_0~0 := 0;~__return_5352~0 := 0;~__tmp_5353_0~0 := 0;~__tmp_5115_0~0 := 0;~__return_5344~0 := 0;~__return_1994~0 := 0;~__tmp_5471_0~0 := 0;~__tmp_5459_0~0 := 0;~__return_1964~0 := 0;~__tmp_4686_0~0 := 0;~__tmp_4734_0~0 := 0;~__return_4803~0 := 0;~__tmp_4674_0~0 := 0;~__tmp_4722_0~0 := 0;~__return_4795~0 := 0;~__tmp_4662_0~0 := 0;~__tmp_4710_0~0 := 0;~__return_4785~0 := 0;~__tmp_4814_0~0 := 0;~__tmp_10046_0~0 := 0;~__tmp_10047_0~0 := 0;~__return_10049~0 := 0;~__tmp_4650_0~0 := 0;~__tmp_4698_0~0 := 0;~__return_4775~0 := 0;~__return_1974~0 := 0;~__tmp_4910_0~0 := 0;~__tmp_4934_0~0 := 0;~__return_4969~0 := 0;~__tmp_4898_0~0 := 0;~__tmp_4922_0~0 := 0;~__return_4959~0 := 0;~__return_2024~0 := 0;~__tmp_6139_0~0 := 0;~__return_6368~0 := 0;~__tmp_6127_0~0 := 0;~__return_6348~0 := 0;~__tmp_6115_0~0 := 0;~__return_6340~0 := 0;~__tmp_6103_0~0 := 0;~__return_6332~0 := 0;~__return_2034~0 := 0;~__tmp_6451_0~0 := 0;~__tmp_6439_0~0 := 0;~__return_2004~0 := 0;~__tmp_5674_0~0 := 0;~__tmp_5722_0~0 := 0;~__return_5791~0 := 0;~__tmp_5662_0~0 := 0;~__tmp_5710_0~0 := 0;~__return_5783~0 := 0;~__tmp_5650_0~0 := 0;~__tmp_5698_0~0 := 0;~__return_5773~0 := 0;~__tmp_5638_0~0 := 0;~__tmp_5686_0~0 := 0;~__return_5763~0 := 0;~__return_2014~0 := 0;~__tmp_5898_0~0 := 0;~__tmp_5922_0~0 := 0;~__return_5957~0 := 0;~__tmp_5886_0~0 := 0;~__tmp_5910_0~0 := 0;~__return_5947~0 := 0;~__return_2144~0 := 0;~__return_8776~0 := 0;~__return_8768~0 := 0;~__return_2154~0 := 0;~__return_2124~0 := 0;~__tmp_8428_0~0 := 0;~__return_8463~0 := 0;~__tmp_8416_0~0 := 0;~__return_8453~0 := 0;~__return_2134~0 := 0;~__tmp_8538_0~0 := 0;~__return_8555~0 := 0;~__return_2184~0 := 0;~__return_9330~0 := 0;~__return_9322~0 := 0;~__return_2194~0 := 0;~__return_2164~0 := 0;~__tmp_8982_0~0 := 0;~__return_9017~0 := 0;~__tmp_8970_0~0 := 0;~__return_9007~0 := 0;~__return_2174~0 := 0;~__tmp_9092_0~0 := 0;~__return_9109~0 := 0;~__return_1824~0 := 0;~__return_3575~0 := 0;~__return_1834~0 := 0;~__return_1804~0 := 0;~__tmp_3321_0~0 := 0;~__return_3338~0 := 0;~__return_1814~0 := 0;~__tmp_3424_0~0 := 0;~__return_3441~0 := 0;~__return_1864~0 := 0;~__return_1874~0 := 0;~__return_1844~0 := 0;~__return_1854~0 := 0;~__return_1744~0 := 0;~__tmp_2786_0~0 := 0;~__return_2841~0 := 0;~__return_1754~0 := 0;~__tmp_2889_0~0 := 0;~__return_1724~0 := 0;~__tmp_2625_0~0 := 0;~__tmp_2637_0~0 := 0;~__return_2654~0 := 0;~__tmp_9421_0~0 := 0;~__tmp_9474_0~0 := 0;~__return_1734~0 := 0;~__tmp_2702_0~0 := 0;~__tmp_2714_0~0 := 0;~__return_2731~0 := 0;~__return_1784~0 := 0;~__tmp_3115_0~0 := 0;~__return_3170~0 := 0;~__return_1794~0 := 0;~__tmp_3218_0~0 := 0;~__return_1764~0 := 0;~__tmp_2954_0~0 := 0;~__tmp_2966_0~0 := 0;~__return_2983~0 := 0;~__return_1774~0 := 0;~__tmp_3031_0~0 := 0;~__tmp_3043_0~0 := 0;~__return_3060~0 := 0;~__tmp_9724_0~0 := 0;~__return_1904~0 := 0;~__return_4125~0 := 0;~__return_1914~0 := 0;~__return_1884~0 := 0;~__tmp_3921_0~0 := 0;~__return_3938~0 := 0;~__return_1894~0 := 0;~__tmp_3998_0~0 := 0;~__return_4015~0 := 0;~__tmp_9902_0~0 := 0;~__return_1944~0 := 0;~__return_4454~0 := 0;~__return_1954~0 := 0;~__return_1924~0 := 0;~__tmp_4250_0~0 := 0;~__return_4267~0 := 0;~__tmp_9949_0~0 := 0;~__return_1934~0 := 0;~__tmp_4327_0~0 := 0;~__return_4344~0 := 0;~__tmp_9984_0~0 := 0; {2051#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:23,208 INFO L290 TraceCheckUtils]: 1: Hoare triple {2051#(<= (+ ~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_~node4__m4~1#1, main_~node3__m3~1#1, main_~node4__m4~2#1, main_~node3__m3~2#1, main_~node2__m2~1#1, main_~check__tmp~1#1, main_~node4__m4~3#1, main_~node3__m3~3#1, main_~check__tmp~2#1, main_~node4__m4~4#1, main_~node3__m3~4#1, main_~node2__m2~2#1, main_~node1__m1~1#1, main_~main____CPAchecker_TMP_0~0#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~node4____CPAchecker_TMP_0~0#1, main_~node4____CPAchecker_TMP_1~0#1, main_~node4__m4~5#1, main_~node3__m3~5#1, main_~node4__m4~6#1, main_~node3__m3~6#1, main_~node2__m2~3#1, main_~node1__m1~2#1, main_~main____CPAchecker_TMP_0~1#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~3#1, main_~node4__m4~0#1, main_~check__tmp~5#1, main_~node4__m4~8#1, main_~node3__m3~7#1, main_~check__tmp~6#1, main_~node4__m4~9#1, main_~node3__m3~8#1, main_~node2__m2~4#1, main_~check__tmp~7#1, main_~node4__m4~10#1, main_~node3__m3~9#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~8#1, main_~node4__m4~11#1, main_~node3__m3~10#1, main_~node2__m2~5#1, main_~node1__m1~3#1, main_~main____CPAchecker_TMP_0~2#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~4#1, main_~node4____CPAchecker_TMP_0~1#1, main_~node4____CPAchecker_TMP_1~1#1, main_~__tmp_6~0#1, main_~assert__arg~5#1, main_~check__tmp~10#1, main_~node4__m4~12#1, main_~node3__m3~11#1, main_~main____CPAchecker_TMP_0~4#1, main_~__tmp_7~0#1, main_~assert__arg~6#1, main_~check__tmp~11#1, main_~node4__m4~13#1, main_~node3__m3~12#1, main_~node2__m2~6#1, main_~node1__m1~4#1, main_~main____CPAchecker_TMP_0~3#1, main_~__tmp_5~0#1, main_~assert__arg~4#1, main_~check__tmp~9#1, 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main_~node3__m3~24#1, main_~node2__m2~12#1, main_~node1__m1~8#1, main_~main____CPAchecker_TMP_0~8#1, main_~__tmp_11~0#1, main_~assert__arg~10#1, main_~check__tmp~15#1, main_~node4__m4~15#1, main_~node3__m3~0#1, main_~check__tmp~17#1, main_~node4__m4~17#1, main_~node3__m3~26#1, main_~check__tmp~18#1, main_~node4__m4~18#1, main_~node3__m3~27#1, main_~node2__m2~13#1, main_~__tmp_13~0#1, main_~assert__arg~12#1, main_~check__tmp~19#1, main_~node4__m4~19#1, main_~node3__m3~28#1, main_~__tmp_14~0#1, main_~assert__arg~13#1, main_~check__tmp~20#1, main_~node4__m4~20#1, main_~node3__m3~29#1, main_~node2__m2~14#1, main_~node1__m1~9#1, main_~main____CPAchecker_TMP_0~9#1, main_~__tmp_12~0#1, main_~assert__arg~11#1, main_~check__tmp~16#1, main_~node4____CPAchecker_TMP_0~4#1, main_~node4____CPAchecker_TMP_1~4#1, main_~node4__m4~21#1, main_~node3__m3~30#1, main_~node4__m4~22#1, main_~node3__m3~31#1, main_~node2__m2~15#1, main_~node1__m1~10#1, main_~main____CPAchecker_TMP_0~10#1, main_~__tmp_15~0#1, 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main_~check__tmp~77#1, main_~node4__m4~72#1, main_~node3__m3~75#1, main_~node2__m2~48#1, main_~node1__m1~49#1, main_~main____CPAchecker_TMP_0~55#1, main_~__tmp_67~0#1, main_~assert__arg~66#1, main_~check__tmp~76#1, main_~node4____CPAchecker_TMP_0~17#1, main_~node4____CPAchecker_TMP_1~18#1, main_~node2____CPAchecker_TMP_0~3#1, main_~node2____CPAchecker_TMP_1~2#1, main_~node2__m2~51#1, main_~node1__m1~52#1, main_~main____CPAchecker_TMP_0~58#1, main_~__tmp_70~0#1, main_~assert__arg~69#1, main_~check__tmp~79#1, main_~node4__m4~74#1, main_~node3__m3~77#1, main_~node2__m2~50#1, main_~node1__m1~51#1, main_~main____CPAchecker_TMP_0~57#1, main_~__tmp_69~0#1, main_~assert__arg~68#1, main_~check__tmp~78#1, main_~node4__m4~71#1, main_~node3____CPAchecker_TMP_0~4#1, main_~node1____CPAchecker_TMP_0~14#1, main_~node1__m1~54#1, main_~main____CPAchecker_TMP_0~60#1, main_~__tmp_72~0#1, main_~assert__arg~71#1, main_~check__tmp~81#1, main_~node4__m4~76#1, main_~node3__m3~78#1, main_~node2__m2~52#1, main_~node1__m1~53#1, main_~main____CPAchecker_TMP_0~59#1, main_~__tmp_71~0#1, main_~assert__arg~70#1, main_~check__tmp~80#1, main_~node4____CPAchecker_TMP_0~19#1, main_~node4____CPAchecker_TMP_1~19#1, main_~node4__m4~77#1, main_~node3__m3~79#1, main_~node2__m2~53#1, main_~node1__m1~55#1, main_~main____CPAchecker_TMP_0~61#1, main_~__tmp_73~0#1, main_~assert__arg~72#1, main_~check__tmp~82#1, main_~node4__m4~75#1, main_~node3____CPAchecker_TMP_1~5#1, main_~node2____CPAchecker_TMP_0~4#1, main_~node2____CPAchecker_TMP_1~3#1, main_~node2__m2~55#1, main_~node1__m1~57#1, main_~main____CPAchecker_TMP_0~63#1, main_~__tmp_75~0#1, main_~assert__arg~74#1, main_~check__tmp~84#1, main_~node4__m4~79#1, main_~node3__m3~80#1, main_~node2__m2~54#1, main_~node1__m1~56#1, main_~main____CPAchecker_TMP_0~62#1, main_~__tmp_74~0#1, main_~assert__arg~73#1, main_~check__tmp~83#1, main_~node4____CPAchecker_TMP_0~20#1, main_~node4____CPAchecker_TMP_1~20#1, main_~node2____CPAchecker_TMP_0~5#1, main_~node2____CPAchecker_TMP_1~4#1, main_~node2__m2~57#1, main_~node1__m1~59#1, main_~main____CPAchecker_TMP_0~65#1, main_~__tmp_77~0#1, main_~assert__arg~76#1, main_~check__tmp~86#1, main_~node4__m4~80#1, main_~node3__m3~81#1, main_~node2__m2~56#1, main_~node1__m1~58#1, main_~main____CPAchecker_TMP_0~64#1, main_~__tmp_76~0#1, main_~assert__arg~75#1, main_~check__tmp~85#1, main_~node4__m4~78#1, main_~node3__m3~72#1, main_~node2____CPAchecker_TMP_0~1#1, main_~node2____CPAchecker_TMP_1~5#1, main_~node1__m1~61#1, main_~main____CPAchecker_TMP_0~67#1, main_~__tmp_79~0#1, main_~assert__arg~78#1, main_~check__tmp~88#1, main_~node4__m4~82#1, main_~node3__m3~83#1, main_~node2__m2~58#1, main_~node1__m1~60#1, main_~main____CPAchecker_TMP_0~66#1, main_~__tmp_78~0#1, main_~assert__arg~77#1, main_~check__tmp~87#1, main_~node4____CPAchecker_TMP_0~21#1, main_~node4____CPAchecker_TMP_1~21#1, main_~node4__m4~83#1, main_~node3__m3~84#1, main_~node2__m2~59#1, main_~node1__m1~62#1, main_~main____CPAchecker_TMP_0~68#1, main_~__tmp_80~0#1, main_~assert__arg~79#1, main_~check__tmp~89#1, main_~node4__m4~81#1, main_~node2____CPAchecker_TMP_1~6#1, main_~node2__m2~61#1, main_~node1__m1~64#1, main_~main____CPAchecker_TMP_0~70#1, main_~__tmp_82~0#1, main_~assert__arg~81#1, main_~check__tmp~91#1, main_~node4__m4~85#1, main_~node3__m3~85#1, main_~node2__m2~60#1, main_~node1__m1~63#1, main_~main____CPAchecker_TMP_0~69#1, main_~__tmp_81~0#1, main_~assert__arg~80#1, main_~check__tmp~90#1, main_~node4____CPAchecker_TMP_0~22#1, main_~node4____CPAchecker_TMP_1~22#1, main_~node2____CPAchecker_TMP_1~7#1, main_~node2__m2~63#1, main_~node1__m1~66#1, main_~main____CPAchecker_TMP_0~72#1, main_~__tmp_84~0#1, main_~assert__arg~83#1, main_~check__tmp~93#1, main_~node4__m4~86#1, main_~node3__m3~86#1, main_~node2__m2~62#1, main_~node1__m1~65#1, main_~main____CPAchecker_TMP_0~71#1, main_~__tmp_83~0#1, main_~assert__arg~82#1, main_~check__tmp~92#1, main_~node4__m4~84#1, main_~node3____CPAchecker_TMP_0~6#1, main_~node1__m1~68#1, main_~main____CPAchecker_TMP_0~74#1, main_~__tmp_86~0#1, main_~assert__arg~85#1, main_~check__tmp~95#1, main_~node4__m4~88#1, main_~node3__m3~87#1, main_~node2__m2~64#1, main_~node1__m1~67#1, main_~main____CPAchecker_TMP_0~73#1, main_~__tmp_85~0#1, main_~assert__arg~84#1, main_~check__tmp~94#1, main_~node4____CPAchecker_TMP_0~23#1, main_~node4____CPAchecker_TMP_1~23#1, main_~node4__m4~89#1, main_~node3__m3~88#1, main_~node2__m2~65#1, main_~node1__m1~69#1, main_~main____CPAchecker_TMP_0~75#1, main_~__tmp_87~0#1, main_~assert__arg~86#1, main_~check__tmp~96#1, main_~node4__m4~87#1, main_~node3____CPAchecker_TMP_1~6#1, main_~node2____CPAchecker_TMP_1~8#1, main_~node2__m2~67#1, main_~node1__m1~71#1, main_~main____CPAchecker_TMP_0~77#1, main_~__tmp_89~0#1, main_~assert__arg~88#1, main_~check__tmp~98#1, main_~node4__m4~91#1, main_~node3__m3~89#1, main_~node2__m2~66#1, main_~node1__m1~70#1, main_~main____CPAchecker_TMP_0~76#1, main_~__tmp_88~0#1, main_~assert__arg~87#1, main_~check__tmp~97#1, main_~node4____CPAchecker_TMP_0~24#1, main_~node4____CPAchecker_TMP_1~24#1, main_~node2____CPAchecker_TMP_1~9#1, main_~node2__m2~69#1, main_~node1__m1~73#1, main_~main____CPAchecker_TMP_0~79#1, main_~__tmp_91~0#1, main_~assert__arg~90#1, main_~check__tmp~100#1, main_~node4__m4~92#1, main_~node3__m3~90#1, main_~node2__m2~68#1, main_~node1__m1~72#1, main_~main____CPAchecker_TMP_0~78#1, main_~__tmp_90~0#1, main_~assert__arg~89#1, main_~check__tmp~99#1, main_~node4__m4~90#1, main_~node3__m3~82#1, main_~node2__m2~37#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;assume -128 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 127;~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; {2051#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:23,209 INFO L290 TraceCheckUtils]: 2: Hoare triple {2051#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~r1~0; {2051#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:23,210 INFO L290 TraceCheckUtils]: 3: Hoare triple {2051#(<= (+ ~nomsg~0 1) 0)} assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; {2051#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:23,210 INFO L290 TraceCheckUtils]: 4: Hoare triple {2051#(<= (+ ~nomsg~0 1) 0)} assume ~id1~0 >= 0; {2052#(<= (+ ~nomsg~0 1) ~id1~0)} is VALID [2022-02-20 18:46:23,210 INFO L290 TraceCheckUtils]: 5: Hoare triple {2052#(<= (+ ~nomsg~0 1) ~id1~0)} assume 0 == ~st1~0; {2052#(<= (+ ~nomsg~0 1) ~id1~0)} is VALID [2022-02-20 18:46:23,211 INFO L290 TraceCheckUtils]: 6: Hoare triple {2052#(<= (+ ~nomsg~0 1) ~id1~0)} assume ~send1~0 == ~id1~0; {2053#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:46:23,212 INFO L290 TraceCheckUtils]: 7: Hoare triple {2053#(<= (+ ~nomsg~0 1) ~send1~0)} assume 0 == ~mode1~0 % 256; {2053#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:46:23,212 INFO L290 TraceCheckUtils]: 8: Hoare triple {2053#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id2~0 >= 0; {2053#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:46:23,213 INFO L290 TraceCheckUtils]: 9: Hoare triple {2053#(<= (+ ~nomsg~0 1) ~send1~0)} assume 0 == ~st2~0; {2053#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:46:23,213 INFO L290 TraceCheckUtils]: 10: Hoare triple {2053#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~send2~0 == ~id2~0; {2053#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:46:23,214 INFO L290 TraceCheckUtils]: 11: Hoare triple {2053#(<= (+ ~nomsg~0 1) ~send1~0)} assume 0 == ~mode2~0 % 256; {2053#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:46:23,214 INFO L290 TraceCheckUtils]: 12: Hoare triple {2053#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id3~0 >= 0; {2053#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:46:23,215 INFO L290 TraceCheckUtils]: 13: Hoare triple {2053#(<= (+ ~nomsg~0 1) ~send1~0)} assume 0 == ~st3~0; {2053#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:46:23,215 INFO L290 TraceCheckUtils]: 14: Hoare triple {2053#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~send3~0 == ~id3~0; {2053#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:46:23,216 INFO L290 TraceCheckUtils]: 15: Hoare triple {2053#(<= (+ ~nomsg~0 1) ~send1~0)} assume 0 == ~mode3~0 % 256; {2053#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:46:23,217 INFO L290 TraceCheckUtils]: 16: Hoare triple {2053#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id4~0 >= 0; {2053#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:46:23,217 INFO L290 TraceCheckUtils]: 17: Hoare triple {2053#(<= (+ ~nomsg~0 1) ~send1~0)} assume 0 == ~st4~0; {2053#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:46:23,218 INFO L290 TraceCheckUtils]: 18: Hoare triple {2053#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~send4~0 == ~id4~0; {2053#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:46:23,219 INFO L290 TraceCheckUtils]: 19: Hoare triple {2053#(<= (+ ~nomsg~0 1) ~send1~0)} assume 0 == ~mode4~0 % 256; {2053#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:46:23,219 INFO L290 TraceCheckUtils]: 20: Hoare triple {2053#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id1~0 != ~id2~0; {2053#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:46:23,220 INFO L290 TraceCheckUtils]: 21: Hoare triple {2053#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id1~0 != ~id3~0; {2053#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:46:23,222 INFO L290 TraceCheckUtils]: 22: Hoare triple {2053#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id1~0 != ~id4~0; {2053#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:46:23,223 INFO L290 TraceCheckUtils]: 23: Hoare triple {2053#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id2~0 != ~id3~0; {2053#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:46:23,223 INFO L290 TraceCheckUtils]: 24: Hoare triple {2053#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id2~0 != ~id4~0; {2053#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:46:23,224 INFO L290 TraceCheckUtils]: 25: Hoare triple {2053#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id3~0 != ~id4~0;main_~init__tmp~0#1 := 1;~__return_130~0 := main_~init__tmp~0#1;main_~main__i2~0#1 := ~__return_130~0; {2053#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:46:23,224 INFO L290 TraceCheckUtils]: 26: Hoare triple {2053#(<= (+ ~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; {2053#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:46:23,225 INFO L290 TraceCheckUtils]: 27: Hoare triple {2053#(<= (+ ~nomsg~0 1) ~send1~0)} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~0#1;main_~node1__m1~0#1 := ~nomsg~0; {2053#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:46:23,225 INFO L290 TraceCheckUtils]: 28: Hoare triple {2053#(<= (+ ~nomsg~0 1) ~send1~0)} assume !!(0 == ~mode1~0 % 256); {2053#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:46:23,226 INFO L290 TraceCheckUtils]: 29: Hoare triple {2053#(<= (+ ~nomsg~0 1) ~send1~0)} assume !(0 == ~alive1~0 % 256);havoc main_~node1____CPAchecker_TMP_0~0#1; {2053#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:46:23,226 INFO L290 TraceCheckUtils]: 30: Hoare triple {2053#(<= (+ ~nomsg~0 1) ~send1~0)} assume !(~send1~0 != ~nomsg~0);main_~node1____CPAchecker_TMP_0~0#1 := ~p1_new~0; {2050#false} is VALID [2022-02-20 18:46:23,226 INFO L290 TraceCheckUtils]: 31: Hoare triple {2050#false} ~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__m2~0#1;main_~node2__m2~0#1 := ~nomsg~0; {2050#false} is VALID [2022-02-20 18:46:23,227 INFO L290 TraceCheckUtils]: 32: Hoare triple {2050#false} assume !!(0 == ~mode2~0 % 256); {2050#false} is VALID [2022-02-20 18:46:23,227 INFO L290 TraceCheckUtils]: 33: Hoare triple {2050#false} assume !(0 == ~alive2~0 % 256);havoc main_~node2____CPAchecker_TMP_0~0#1; {2050#false} is VALID [2022-02-20 18:46:23,227 INFO L290 TraceCheckUtils]: 34: Hoare triple {2050#false} assume ~send2~0 != ~nomsg~0; {2050#false} is VALID [2022-02-20 18:46:23,227 INFO L290 TraceCheckUtils]: 35: Hoare triple {2050#false} assume ~p2_new~0 == ~nomsg~0;main_~node2____CPAchecker_TMP_0~0#1 := ~send2~0;~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); {2050#false} is VALID [2022-02-20 18:46:23,227 INFO L290 TraceCheckUtils]: 36: Hoare triple {2050#false} ~mode2~0 := 1;havoc main_~node3__m3~0#1;main_~node3__m3~0#1 := ~nomsg~0; {2050#false} is VALID [2022-02-20 18:46:23,228 INFO L290 TraceCheckUtils]: 37: Hoare triple {2050#false} assume !!(0 == ~mode3~0 % 256); {2050#false} is VALID [2022-02-20 18:46:23,228 INFO L290 TraceCheckUtils]: 38: Hoare triple {2050#false} assume !(0 == ~alive3~0 % 256);havoc main_~node3____CPAchecker_TMP_0~0#1; {2050#false} is VALID [2022-02-20 18:46:23,228 INFO L290 TraceCheckUtils]: 39: Hoare triple {2050#false} assume !(~send3~0 != ~nomsg~0);main_~node3____CPAchecker_TMP_0~0#1 := ~p3_new~0;~p3_new~0 := (if main_~node3____CPAchecker_TMP_0~0#1 % 256 <= 127 then main_~node3____CPAchecker_TMP_0~0#1 % 256 else main_~node3____CPAchecker_TMP_0~0#1 % 256 - 256);~mode3~0 := 1;havoc main_~node4__m4~7#1;main_~node4__m4~7#1 := ~nomsg~0; {2050#false} is VALID [2022-02-20 18:46:23,229 INFO L290 TraceCheckUtils]: 40: Hoare triple {2050#false} assume !!(0 == ~mode4~0 % 256); {2050#false} is VALID [2022-02-20 18:46:23,229 INFO L290 TraceCheckUtils]: 41: Hoare triple {2050#false} assume !!(0 == ~alive4~0 % 256); {2050#false} is VALID [2022-02-20 18:46:23,229 INFO L290 TraceCheckUtils]: 42: Hoare triple {2050#false} assume !(~send4~0 != ~id4~0);~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~9#1; {2050#false} is VALID [2022-02-20 18:46:23,230 INFO L290 TraceCheckUtils]: 43: Hoare triple {2050#false} assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; {2050#false} is VALID [2022-02-20 18:46:23,230 INFO L290 TraceCheckUtils]: 44: Hoare triple {2050#false} assume ~r1~0 < 4;main_~check__tmp~9#1 := 1;~__return_2054~0 := main_~check__tmp~9#1;main_~main__c1~0#1 := ~__return_2054~0;havoc main_~__tmp_5~0#1;main_~__tmp_5~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~4#1;main_~assert__arg~4#1 := main_~__tmp_5~0#1; {2050#false} is VALID [2022-02-20 18:46:23,230 INFO L290 TraceCheckUtils]: 45: Hoare triple {2050#false} assume !(0 == main_~assert__arg~4#1 % 256);main_~main____CPAchecker_TMP_0~3#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1; {2050#false} is VALID [2022-02-20 18:46:23,231 INFO L290 TraceCheckUtils]: 46: Hoare triple {2050#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~4#1;main_~node1__m1~4#1 := ~nomsg~0; {2050#false} is VALID [2022-02-20 18:46:23,231 INFO L290 TraceCheckUtils]: 47: Hoare triple {2050#false} assume !(0 == ~mode1~0 % 256);~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);main_~node1__m1~4#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {2050#false} is VALID [2022-02-20 18:46:23,231 INFO L290 TraceCheckUtils]: 48: Hoare triple {2050#false} assume !(main_~node1__m1~4#1 != ~nomsg~0);~mode1~0 := 0;havoc main_~node2__m2~6#1;main_~node2__m2~6#1 := ~nomsg~0; {2050#false} is VALID [2022-02-20 18:46:23,231 INFO L290 TraceCheckUtils]: 49: Hoare triple {2050#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~6#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {2050#false} is VALID [2022-02-20 18:46:23,232 INFO L290 TraceCheckUtils]: 50: Hoare triple {2050#false} assume main_~node2__m2~6#1 != ~nomsg~0; {2050#false} is VALID [2022-02-20 18:46:23,232 INFO L290 TraceCheckUtils]: 51: Hoare triple {2050#false} assume !(0 == ~alive2~0 % 256); {2050#false} is VALID [2022-02-20 18:46:23,232 INFO L290 TraceCheckUtils]: 52: Hoare triple {2050#false} assume !(main_~node2__m2~6#1 > ~id2~0); {2050#false} is VALID [2022-02-20 18:46:23,232 INFO L290 TraceCheckUtils]: 53: Hoare triple {2050#false} assume main_~node2__m2~6#1 == ~id2~0;~st2~0 := 1;~mode2~0 := 0;havoc main_~node3__m3~11#1;main_~node3__m3~11#1 := ~nomsg~0; {2050#false} is VALID [2022-02-20 18:46:23,232 INFO L290 TraceCheckUtils]: 54: Hoare triple {2050#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~11#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {2050#false} is VALID [2022-02-20 18:46:23,233 INFO L290 TraceCheckUtils]: 55: Hoare triple {2050#false} assume main_~node3__m3~11#1 != ~nomsg~0; {2050#false} is VALID [2022-02-20 18:46:23,233 INFO L290 TraceCheckUtils]: 56: Hoare triple {2050#false} assume !(0 == ~alive3~0 % 256); {2050#false} is VALID [2022-02-20 18:46:23,233 INFO L290 TraceCheckUtils]: 57: Hoare triple {2050#false} assume !(main_~node3__m3~11#1 > ~id3~0); {2050#false} is VALID [2022-02-20 18:46:23,233 INFO L290 TraceCheckUtils]: 58: Hoare triple {2050#false} assume main_~node3__m3~11#1 == ~id3~0;~st3~0 := 1;~mode3~0 := 0;havoc main_~node4__m4~12#1;main_~node4__m4~12#1 := ~nomsg~0; {2050#false} is VALID [2022-02-20 18:46:23,233 INFO L290 TraceCheckUtils]: 59: Hoare triple {2050#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~12#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {2050#false} is VALID [2022-02-20 18:46:23,234 INFO L290 TraceCheckUtils]: 60: Hoare triple {2050#false} assume !(main_~node4__m4~12#1 != ~nomsg~0);~mode4~0 := 0;~__tmp_7042_0~0 := main_~main____CPAchecker_TMP_0~3#1; {2050#false} is VALID [2022-02-20 18:46:23,234 INFO L290 TraceCheckUtils]: 61: Hoare triple {2050#false} main_~main____CPAchecker_TMP_0~3#1 := ~__tmp_7042_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~10#1; {2050#false} is VALID [2022-02-20 18:46:23,234 INFO L290 TraceCheckUtils]: 62: Hoare triple {2050#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~10#1 := 0;~__return_7075~0 := main_~check__tmp~10#1;main_~main__c1~0#1 := ~__return_7075~0;havoc main_~__tmp_6~0#1;main_~__tmp_6~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~5#1;main_~assert__arg~5#1 := main_~__tmp_6~0#1; {2050#false} is VALID [2022-02-20 18:46:23,234 INFO L290 TraceCheckUtils]: 63: Hoare triple {2050#false} assume 0 == main_~assert__arg~5#1 % 256; {2050#false} is VALID [2022-02-20 18:46:23,234 INFO L290 TraceCheckUtils]: 64: Hoare triple {2050#false} assume !false; {2050#false} is VALID [2022-02-20 18:46:23,236 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 18:46:23,236 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:46:23,236 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108841269] [2022-02-20 18:46:23,237 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108841269] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:46:23,237 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:46:23,237 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 18:46:23,238 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957233093] [2022-02-20 18:46:23,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:46:23,242 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 18:46:23,243 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:46:23,245 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 18:46:23,314 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 18:46:23,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:46:23,315 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:46:23,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:46:23,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:46:23,338 INFO L87 Difference]: Start difference. First operand has 2046 states, 2038 states have (on average 1.776251226692836) internal successors, (3620), 2045 states have internal predecessors, (3620), 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 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 18:46:30,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:46:30,721 INFO L93 Difference]: Finished difference Result 4026 states and 7029 transitions. [2022-02-20 18:46:30,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:46:30,722 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 18:46:30,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:46:30,723 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 18:46:30,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7029 transitions. [2022-02-20 18:46:30,765 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 18:46:30,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7029 transitions. [2022-02-20 18:46:30,796 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 7029 transitions. [2022-02-20 18:46:35,169 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 7029 edges. 7029 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:46:35,481 INFO L225 Difference]: With dead ends: 4026 [2022-02-20 18:46:35,481 INFO L226 Difference]: Without dead ends: 2682 [2022-02-20 18:46:35,497 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 18:46:35,503 INFO L933 BasicCegarLoop]: 2028 mSDtfsCounter, 12840 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 2076 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12840 SdHoareTripleChecker+Valid, 2665 SdHoareTripleChecker+Invalid, 2144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 2076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-02-20 18:46:35,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12840 Valid, 2665 Invalid, 2144 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [68 Valid, 2076 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-02-20 18:46:35,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2682 states. [2022-02-20 18:46:36,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2682 to 2676. [2022-02-20 18:46:36,401 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:46:36,409 INFO L82 GeneralOperation]: Start isEquivalent. First operand 2682 states. Second operand has 2676 states, 2669 states have (on average 1.3012364181341327) internal successors, (3473), 2675 states have internal predecessors, (3473), 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 18:46:36,415 INFO L74 IsIncluded]: Start isIncluded. First operand 2682 states. Second operand has 2676 states, 2669 states have (on average 1.3012364181341327) internal successors, (3473), 2675 states have internal predecessors, (3473), 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 18:46:36,420 INFO L87 Difference]: Start difference. First operand 2682 states. Second operand has 2676 states, 2669 states have (on average 1.3012364181341327) internal successors, (3473), 2675 states have internal predecessors, (3473), 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 18:46:36,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:46:36,612 INFO L93 Difference]: Finished difference Result 2682 states and 3477 transitions. [2022-02-20 18:46:36,612 INFO L276 IsEmpty]: Start isEmpty. Operand 2682 states and 3477 transitions. [2022-02-20 18:46:36,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:46:36,616 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:46:36,621 INFO L74 IsIncluded]: Start isIncluded. First operand has 2676 states, 2669 states have (on average 1.3012364181341327) internal successors, (3473), 2675 states have internal predecessors, (3473), 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 2682 states. [2022-02-20 18:46:36,625 INFO L87 Difference]: Start difference. First operand has 2676 states, 2669 states have (on average 1.3012364181341327) internal successors, (3473), 2675 states have internal predecessors, (3473), 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 2682 states. [2022-02-20 18:46:36,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:46:36,810 INFO L93 Difference]: Finished difference Result 2682 states and 3477 transitions. [2022-02-20 18:46:36,810 INFO L276 IsEmpty]: Start isEmpty. Operand 2682 states and 3477 transitions. [2022-02-20 18:46:36,814 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:46:36,814 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:46:36,814 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:46:36,814 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:46:36,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2676 states, 2669 states have (on average 1.3012364181341327) internal successors, (3473), 2675 states have internal predecessors, (3473), 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 18:46:37,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2676 states to 2676 states and 3473 transitions. [2022-02-20 18:46:37,090 INFO L78 Accepts]: Start accepts. Automaton has 2676 states and 3473 transitions. Word has length 65 [2022-02-20 18:46:37,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:46:37,091 INFO L470 AbstractCegarLoop]: Abstraction has 2676 states and 3473 transitions. [2022-02-20 18:46:37,091 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 18:46:37,091 INFO L276 IsEmpty]: Start isEmpty. Operand 2676 states and 3473 transitions. [2022-02-20 18:46:37,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-20 18:46:37,095 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:46:37,095 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:46:37,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 18:46:37,096 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 18:46:37,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:46:37,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1637494150, now seen corresponding path program 1 times [2022-02-20 18:46:37,097 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:46:37,097 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118063021] [2022-02-20 18:46:37,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:46:37,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:46:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:46:37,227 INFO L290 TraceCheckUtils]: 0: Hoare triple {15742#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(65, 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_130~0 := 0;~__return_2064~0 := 0;~__tmp_7506_0~0 := 0;~__return_7565~0 := 0;~__return_7545~0 := 0;~__return_2074~0 := 0;~__return_2044~0 := 0;~__tmp_6806_0~0 := 0;~__return_6883~0 := 0;~__tmp_6794_0~0 := 0;~__return_6863~0 := 0;~__tmp_6782_0~0 := 0;~__return_6855~0 := 0;~__tmp_6770_0~0 := 0;~__return_6847~0 := 0;~__return_2054~0 := 0;~__tmp_7042_0~0 := 0;~__return_7075~0 := 0;~__tmp_7030_0~0 := 0;~__return_7067~0 := 0;~__return_2104~0 := 0;~__return_2114~0 := 0;~__return_2084~0 := 0;~__return_2094~0 := 0;~__return_1984~0 := 0;~__tmp_5151_0~0 := 0;~__return_5380~0 := 0;~__tmp_5139_0~0 := 0;~__return_5360~0 := 0;~__tmp_5127_0~0 := 0;~__return_5352~0 := 0;~__tmp_5353_0~0 := 0;~__tmp_5115_0~0 := 0;~__return_5344~0 := 0;~__return_1994~0 := 0;~__tmp_5471_0~0 := 0;~__tmp_5459_0~0 := 0;~__return_1964~0 := 0;~__tmp_4686_0~0 := 0;~__tmp_4734_0~0 := 0;~__return_4803~0 := 0;~__tmp_4674_0~0 := 0;~__tmp_4722_0~0 := 0;~__return_4795~0 := 0;~__tmp_4662_0~0 := 0;~__tmp_4710_0~0 := 0;~__return_4785~0 := 0;~__tmp_4814_0~0 := 0;~__tmp_10046_0~0 := 0;~__tmp_10047_0~0 := 0;~__return_10049~0 := 0;~__tmp_4650_0~0 := 0;~__tmp_4698_0~0 := 0;~__return_4775~0 := 0;~__return_1974~0 := 0;~__tmp_4910_0~0 := 0;~__tmp_4934_0~0 := 0;~__return_4969~0 := 0;~__tmp_4898_0~0 := 0;~__tmp_4922_0~0 := 0;~__return_4959~0 := 0;~__return_2024~0 := 0;~__tmp_6139_0~0 := 0;~__return_6368~0 := 0;~__tmp_6127_0~0 := 0;~__return_6348~0 := 0;~__tmp_6115_0~0 := 0;~__return_6340~0 := 0;~__tmp_6103_0~0 := 0;~__return_6332~0 := 0;~__return_2034~0 := 0;~__tmp_6451_0~0 := 0;~__tmp_6439_0~0 := 0;~__return_2004~0 := 0;~__tmp_5674_0~0 := 0;~__tmp_5722_0~0 := 0;~__return_5791~0 := 0;~__tmp_5662_0~0 := 0;~__tmp_5710_0~0 := 0;~__return_5783~0 := 0;~__tmp_5650_0~0 := 0;~__tmp_5698_0~0 := 0;~__return_5773~0 := 0;~__tmp_5638_0~0 := 0;~__tmp_5686_0~0 := 0;~__return_5763~0 := 0;~__return_2014~0 := 0;~__tmp_5898_0~0 := 0;~__tmp_5922_0~0 := 0;~__return_5957~0 := 0;~__tmp_5886_0~0 := 0;~__tmp_5910_0~0 := 0;~__return_5947~0 := 0;~__return_2144~0 := 0;~__return_8776~0 := 0;~__return_8768~0 := 0;~__return_2154~0 := 0;~__return_2124~0 := 0;~__tmp_8428_0~0 := 0;~__return_8463~0 := 0;~__tmp_8416_0~0 := 0;~__return_8453~0 := 0;~__return_2134~0 := 0;~__tmp_8538_0~0 := 0;~__return_8555~0 := 0;~__return_2184~0 := 0;~__return_9330~0 := 0;~__return_9322~0 := 0;~__return_2194~0 := 0;~__return_2164~0 := 0;~__tmp_8982_0~0 := 0;~__return_9017~0 := 0;~__tmp_8970_0~0 := 0;~__return_9007~0 := 0;~__return_2174~0 := 0;~__tmp_9092_0~0 := 0;~__return_9109~0 := 0;~__return_1824~0 := 0;~__return_3575~0 := 0;~__return_1834~0 := 0;~__return_1804~0 := 0;~__tmp_3321_0~0 := 0;~__return_3338~0 := 0;~__return_1814~0 := 0;~__tmp_3424_0~0 := 0;~__return_3441~0 := 0;~__return_1864~0 := 0;~__return_1874~0 := 0;~__return_1844~0 := 0;~__return_1854~0 := 0;~__return_1744~0 := 0;~__tmp_2786_0~0 := 0;~__return_2841~0 := 0;~__return_1754~0 := 0;~__tmp_2889_0~0 := 0;~__return_1724~0 := 0;~__tmp_2625_0~0 := 0;~__tmp_2637_0~0 := 0;~__return_2654~0 := 0;~__tmp_9421_0~0 := 0;~__tmp_9474_0~0 := 0;~__return_1734~0 := 0;~__tmp_2702_0~0 := 0;~__tmp_2714_0~0 := 0;~__return_2731~0 := 0;~__return_1784~0 := 0;~__tmp_3115_0~0 := 0;~__return_3170~0 := 0;~__return_1794~0 := 0;~__tmp_3218_0~0 := 0;~__return_1764~0 := 0;~__tmp_2954_0~0 := 0;~__tmp_2966_0~0 := 0;~__return_2983~0 := 0;~__return_1774~0 := 0;~__tmp_3031_0~0 := 0;~__tmp_3043_0~0 := 0;~__return_3060~0 := 0;~__tmp_9724_0~0 := 0;~__return_1904~0 := 0;~__return_4125~0 := 0;~__return_1914~0 := 0;~__return_1884~0 := 0;~__tmp_3921_0~0 := 0;~__return_3938~0 := 0;~__return_1894~0 := 0;~__tmp_3998_0~0 := 0;~__return_4015~0 := 0;~__tmp_9902_0~0 := 0;~__return_1944~0 := 0;~__return_4454~0 := 0;~__return_1954~0 := 0;~__return_1924~0 := 0;~__tmp_4250_0~0 := 0;~__return_4267~0 := 0;~__tmp_9949_0~0 := 0;~__return_1934~0 := 0;~__tmp_4327_0~0 := 0;~__return_4344~0 := 0;~__tmp_9984_0~0 := 0; {15744#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:37,228 INFO L290 TraceCheckUtils]: 1: Hoare triple {15744#(<= (+ ~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_~node4__m4~1#1, main_~node3__m3~1#1, main_~node4__m4~2#1, main_~node3__m3~2#1, main_~node2__m2~1#1, main_~check__tmp~1#1, main_~node4__m4~3#1, main_~node3__m3~3#1, main_~check__tmp~2#1, main_~node4__m4~4#1, main_~node3__m3~4#1, main_~node2__m2~2#1, main_~node1__m1~1#1, main_~main____CPAchecker_TMP_0~0#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~node4____CPAchecker_TMP_0~0#1, main_~node4____CPAchecker_TMP_1~0#1, main_~node4__m4~5#1, main_~node3__m3~5#1, main_~node4__m4~6#1, main_~node3__m3~6#1, main_~node2__m2~3#1, main_~node1__m1~2#1, main_~main____CPAchecker_TMP_0~1#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~3#1, main_~node4__m4~0#1, main_~check__tmp~5#1, main_~node4__m4~8#1, main_~node3__m3~7#1, main_~check__tmp~6#1, main_~node4__m4~9#1, main_~node3__m3~8#1, main_~node2__m2~4#1, main_~check__tmp~7#1, main_~node4__m4~10#1, main_~node3__m3~9#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~8#1, main_~node4__m4~11#1, main_~node3__m3~10#1, main_~node2__m2~5#1, main_~node1__m1~3#1, main_~main____CPAchecker_TMP_0~2#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~4#1, main_~node4____CPAchecker_TMP_0~1#1, main_~node4____CPAchecker_TMP_1~1#1, main_~__tmp_6~0#1, main_~assert__arg~5#1, main_~check__tmp~10#1, main_~node4__m4~12#1, main_~node3__m3~11#1, main_~main____CPAchecker_TMP_0~4#1, main_~__tmp_7~0#1, main_~assert__arg~6#1, main_~check__tmp~11#1, main_~node4__m4~13#1, main_~node3__m3~12#1, main_~node2__m2~6#1, main_~node1__m1~4#1, main_~main____CPAchecker_TMP_0~3#1, main_~__tmp_5~0#1, main_~assert__arg~4#1, main_~check__tmp~9#1, main_~node4__m4~7#1, main_~node3____CPAchecker_TMP_0~0#1, main_~node3__m3~13#1, main_~node3__m3~14#1, main_~node2__m2~7#1, main_~node3__m3~15#1, main_~node3__m3~16#1, main_~node2__m2~8#1, main_~node1__m1~5#1, main_~main____CPAchecker_TMP_0~5#1, main_~__tmp_8~0#1, main_~assert__arg~7#1, main_~check__tmp~12#1, main_~node4____CPAchecker_TMP_0~2#1, main_~node4____CPAchecker_TMP_1~2#1, main_~node3__m3~17#1, main_~node3__m3~18#1, main_~node2__m2~9#1, main_~node1__m1~6#1, main_~main____CPAchecker_TMP_0~6#1, main_~__tmp_9~0#1, main_~assert__arg~8#1, main_~check__tmp~13#1, main_~node4__m4~14#1, main_~node3____CPAchecker_TMP_1~0#1, main_~node3__m3~19#1, main_~node3__m3~20#1, main_~node2__m2~10#1, main_~node3__m3~21#1, main_~node3__m3~22#1, main_~node2__m2~11#1, main_~node1__m1~7#1, main_~main____CPAchecker_TMP_0~7#1, main_~__tmp_10~0#1, main_~assert__arg~9#1, main_~check__tmp~14#1, main_~node4____CPAchecker_TMP_0~3#1, main_~node4____CPAchecker_TMP_1~3#1, main_~node3__m3~23#1, main_~node3__m3~24#1, main_~node2__m2~12#1, main_~node1__m1~8#1, main_~main____CPAchecker_TMP_0~8#1, main_~__tmp_11~0#1, main_~assert__arg~10#1, main_~check__tmp~15#1, main_~node4__m4~15#1, main_~node3__m3~0#1, main_~check__tmp~17#1, main_~node4__m4~17#1, main_~node3__m3~26#1, main_~check__tmp~18#1, main_~node4__m4~18#1, main_~node3__m3~27#1, main_~node2__m2~13#1, main_~__tmp_13~0#1, main_~assert__arg~12#1, main_~check__tmp~19#1, main_~node4__m4~19#1, main_~node3__m3~28#1, main_~__tmp_14~0#1, main_~assert__arg~13#1, main_~check__tmp~20#1, main_~node4__m4~20#1, main_~node3__m3~29#1, main_~node2__m2~14#1, main_~node1__m1~9#1, main_~main____CPAchecker_TMP_0~9#1, main_~__tmp_12~0#1, main_~assert__arg~11#1, main_~check__tmp~16#1, main_~node4____CPAchecker_TMP_0~4#1, main_~node4____CPAchecker_TMP_1~4#1, main_~node4__m4~21#1, main_~node3__m3~30#1, main_~node4__m4~22#1, main_~node3__m3~31#1, main_~node2__m2~15#1, main_~node1__m1~10#1, main_~main____CPAchecker_TMP_0~10#1, main_~__tmp_15~0#1, main_~assert__arg~14#1, main_~check__tmp~21#1, main_~node4__m4~16#1, main_~__tmp_17~0#1, main_~assert__arg~16#1, main_~check__tmp~23#1, main_~node4__m4~24#1, main_~node3__m3~32#1, main_~__tmp_18~0#1, main_~assert__arg~17#1, main_~check__tmp~24#1, main_~node4__m4~25#1, main_~node3__m3~33#1, main_~node2__m2~16#1, main_~node1____CPAchecker_TMP_0~1#1, main_~node1__m1~12#1, main_~main____CPAchecker_TMP_0~12#1, main_~__tmp_19~0#1, main_~assert__arg~18#1, main_~check__tmp~25#1, main_~node4__m4~26#1, main_~node3__m3~34#1, main_~node1____CPAchecker_TMP_0~2#1, main_~node1__m1~13#1, main_~main____CPAchecker_TMP_0~13#1, main_~__tmp_20~0#1, main_~assert__arg~19#1, main_~check__tmp~26#1, main_~node4__m4~27#1, main_~node3__m3~35#1, main_~node2__m2~17#1, main_~node1__m1~11#1, main_~main____CPAchecker_TMP_0~11#1, main_~__tmp_16~0#1, main_~assert__arg~15#1, main_~check__tmp~22#1, main_~node4____CPAchecker_TMP_0~5#1, main_~node4____CPAchecker_TMP_1~5#1, main_~main____CPAchecker_TMP_0~15#1, main_~__tmp_22~0#1, main_~assert__arg~21#1, main_~check__tmp~28#1, main_~node4__m4~28#1, main_~node3__m3~36#1, main_~node1____CPAchecker_TMP_0~3#1, main_~node1__m1~15#1, main_~main____CPAchecker_TMP_0~16#1, main_~__tmp_23~0#1, main_~assert__arg~22#1, main_~check__tmp~29#1, main_~node4__m4~29#1, main_~node3__m3~37#1, main_~node2__m2~18#1, main_~node1__m1~14#1, main_~main____CPAchecker_TMP_0~14#1, main_~__tmp_21~0#1, main_~assert__arg~20#1, main_~check__tmp~27#1, main_~node4__m4~23#1, main_~node3____CPAchecker_TMP_0~1#1, main_~check__tmp~31#1, main_~node4__m4~31#1, main_~node3__m3~38#1, main_~check__tmp~32#1, main_~node4__m4~32#1, main_~node3__m3~39#1, main_~node2__m2~19#1, main_~check__tmp~33#1, main_~node4__m4~33#1, main_~node3__m3~40#1, main_~__tmp_25~0#1, main_~assert__arg~24#1, main_~check__tmp~34#1, main_~node4__m4~34#1, main_~node3__m3~41#1, main_~node2__m2~20#1, main_~node1__m1~16#1, main_~main____CPAchecker_TMP_0~17#1, main_~__tmp_24~0#1, main_~assert__arg~23#1, main_~check__tmp~30#1, main_~node4____CPAchecker_TMP_0~6#1, main_~node4____CPAchecker_TMP_1~6#1, main_~node4__m4~35#1, main_~node3__m3~42#1, main_~node4__m4~36#1, main_~node3__m3~43#1, main_~node2__m2~21#1, main_~node1__m1~17#1, main_~main____CPAchecker_TMP_0~18#1, main_~__tmp_26~0#1, main_~assert__arg~25#1, main_~check__tmp~35#1, main_~node4__m4~30#1, main_~node3____CPAchecker_TMP_1~1#1, main_~__tmp_28~0#1, main_~assert__arg~27#1, main_~check__tmp~37#1, main_~node4__m4~38#1, main_~node3__m3~44#1, main_~main____CPAchecker_TMP_0~20#1, main_~__tmp_29~0#1, main_~assert__arg~28#1, main_~check__tmp~38#1, main_~node4__m4~39#1, main_~node3__m3~45#1, main_~node2__m2~22#1, main_~main____CPAchecker_TMP_0~21#1, main_~__tmp_30~0#1, main_~assert__arg~29#1, main_~check__tmp~39#1, main_~node4__m4~40#1, main_~node3__m3~46#1, main_~node1____CPAchecker_TMP_0~4#1, main_~node1__m1~19#1, main_~main____CPAchecker_TMP_0~22#1, main_~__tmp_31~0#1, main_~assert__arg~30#1, main_~check__tmp~40#1, main_~node4__m4~41#1, main_~node3__m3~47#1, main_~node2__m2~23#1, main_~node1__m1~18#1, main_~main____CPAchecker_TMP_0~19#1, main_~__tmp_27~0#1, main_~assert__arg~26#1, main_~check__tmp~36#1, main_~node4____CPAchecker_TMP_0~7#1, main_~node4____CPAchecker_TMP_1~7#1, main_~node1____CPAchecker_TMP_0~5#1, main_~node1__m1~21#1, main_~main____CPAchecker_TMP_0~24#1, main_~__tmp_33~0#1, main_~assert__arg~32#1, main_~check__tmp~42#1, main_~node4__m4~42#1, main_~node3__m3~48#1, main_~node1____CPAchecker_TMP_0~6#1, main_~node1__m1~22#1, main_~main____CPAchecker_TMP_0~25#1, main_~__tmp_34~0#1, main_~assert__arg~33#1, main_~check__tmp~43#1, main_~node4__m4~43#1, main_~node3__m3~49#1, main_~node2__m2~24#1, main_~node1__m1~20#1, main_~main____CPAchecker_TMP_0~23#1, main_~__tmp_32~0#1, main_~assert__arg~31#1, main_~check__tmp~41#1, main_~node4__m4~37#1, main_~node3__m3~25#1, main_~node2____CPAchecker_TMP_0~0#1, main_~node2____CPAchecker_TMP_1~0#1, main_~__tmp_36~0#1, main_~assert__arg~35#1, main_~check__tmp~45#1, main_~node4__m4~45#1, main_~node3__m3~51#1, main_~node2__m2~25#1, main_~main____CPAchecker_TMP_0~27#1, main_~__tmp_37~0#1, main_~assert__arg~36#1, main_~check__tmp~46#1, main_~node4__m4~46#1, main_~node3__m3~52#1, main_~node2__m2~26#1, main_~node1__m1~23#1, main_~main____CPAchecker_TMP_0~26#1, main_~__tmp_35~0#1, main_~assert__arg~34#1, main_~check__tmp~44#1, main_~node4____CPAchecker_TMP_0~8#1, main_~node4____CPAchecker_TMP_1~8#1, main_~node4__m4~47#1, main_~node3__m3~53#1, main_~node2__m2~27#1, main_~node1__m1~24#1, main_~main____CPAchecker_TMP_0~28#1, main_~__tmp_38~0#1, main_~assert__arg~37#1, main_~check__tmp~47#1, main_~node4__m4~44#1, main_~main____CPAchecker_TMP_0~30#1, main_~__tmp_40~0#1, main_~assert__arg~39#1, main_~check__tmp~49#1, main_~node4__m4~49#1, main_~node3__m3~54#1, main_~node2__m2~28#1, main_~node1____CPAchecker_TMP_0~7#1, main_~node1__m1~26#1, main_~main____CPAchecker_TMP_0~31#1, main_~__tmp_41~0#1, main_~assert__arg~40#1, main_~check__tmp~50#1, main_~node4__m4~50#1, main_~node3__m3~55#1, main_~node2__m2~29#1, main_~node1__m1~25#1, main_~main____CPAchecker_TMP_0~29#1, main_~__tmp_39~0#1, main_~assert__arg~38#1, main_~check__tmp~48#1, main_~node4____CPAchecker_TMP_0~9#1, main_~node4____CPAchecker_TMP_1~9#1, main_~node1____CPAchecker_TMP_0~8#1, main_~node1__m1~28#1, main_~main____CPAchecker_TMP_0~33#1, main_~__tmp_43~0#1, main_~assert__arg~42#1, main_~check__tmp~52#1, main_~node4__m4~51#1, main_~node3__m3~56#1, main_~node2__m2~30#1, main_~node1__m1~27#1, main_~main____CPAchecker_TMP_0~32#1, main_~__tmp_42~0#1, main_~assert__arg~41#1, main_~check__tmp~51#1, main_~node4__m4~48#1, main_~node3____CPAchecker_TMP_0~2#1, main_~__tmp_45~0#1, main_~assert__arg~44#1, main_~check__tmp~54#1, main_~node4__m4~53#1, main_~node3__m3~57#1, main_~node2__m2~31#1, main_~main____CPAchecker_TMP_0~35#1, main_~__tmp_46~0#1, main_~assert__arg~45#1, main_~check__tmp~55#1, main_~node4__m4~54#1, main_~node3__m3~58#1, main_~node2__m2~32#1, main_~node1__m1~29#1, main_~main____CPAchecker_TMP_0~34#1, main_~__tmp_44~0#1, main_~assert__arg~43#1, main_~check__tmp~53#1, main_~node4____CPAchecker_TMP_0~10#1, main_~node4____CPAchecker_TMP_1~10#1, main_~node4__m4~55#1, main_~node3__m3~59#1, main_~node2__m2~33#1, main_~node1__m1~30#1, main_~main____CPAchecker_TMP_0~36#1, main_~__tmp_47~0#1, main_~assert__arg~46#1, main_~check__tmp~56#1, main_~node4__m4~52#1, main_~node3____CPAchecker_TMP_1~2#1, main_~node1____CPAchecker_TMP_0~9#1, main_~node1__m1~32#1, main_~main____CPAchecker_TMP_0~38#1, main_~__tmp_49~0#1, main_~assert__arg~48#1, main_~check__tmp~58#1, main_~node4__m4~57#1, main_~node3__m3~60#1, main_~node2__m2~34#1, main_~node1____CPAchecker_TMP_0~10#1, main_~node1__m1~33#1, main_~main____CPAchecker_TMP_0~39#1, main_~__tmp_50~0#1, main_~assert__arg~49#1, main_~check__tmp~59#1, main_~node4__m4~58#1, main_~node3__m3~61#1, main_~node2__m2~35#1, main_~node1__m1~31#1, main_~main____CPAchecker_TMP_0~37#1, main_~__tmp_48~0#1, main_~assert__arg~47#1, main_~check__tmp~57#1, main_~node4____CPAchecker_TMP_0~11#1, main_~node4____CPAchecker_TMP_1~11#1, main_~node1____CPAchecker_TMP_0~11#1, main_~node1__m1~35#1, main_~main____CPAchecker_TMP_0~41#1, main_~__tmp_52~0#1, main_~assert__arg~51#1, main_~check__tmp~61#1, main_~node4__m4~59#1, main_~node3__m3~62#1, main_~node2__m2~36#1, main_~node1__m1~34#1, main_~main____CPAchecker_TMP_0~40#1, main_~__tmp_51~0#1, main_~assert__arg~50#1, main_~check__tmp~60#1, main_~node4__m4~56#1, main_~node3__m3~50#1, main_~node2__m2~0#1, main_~node1____CPAchecker_TMP_0~0#1, main_~__tmp_54~0#1, main_~assert__arg~53#1, main_~check__tmp~63#1, main_~node4__m4~61#1, main_~node3__m3~64#1, main_~node2__m2~38#1, main_~node1__m1~36#1, main_~main____CPAchecker_TMP_0~42#1, main_~__tmp_53~0#1, main_~assert__arg~52#1, main_~check__tmp~62#1, main_~node4____CPAchecker_TMP_0~12#1, main_~node4____CPAchecker_TMP_1~12#1, main_~node4__m4~62#1, main_~node3__m3~65#1, main_~node2__m2~39#1, main_~node1__m1~37#1, main_~main____CPAchecker_TMP_0~43#1, main_~__tmp_55~0#1, main_~assert__arg~54#1, main_~check__tmp~64#1, main_~node4__m4~60#1, main_~node1____CPAchecker_TMP_0~12#1, main_~node1__m1~39#1, main_~main____CPAchecker_TMP_0~45#1, main_~__tmp_57~0#1, main_~assert__arg~56#1, main_~check__tmp~66#1, main_~node4__m4~64#1, main_~node3__m3~66#1, main_~node2__m2~40#1, main_~node1__m1~38#1, main_~main____CPAchecker_TMP_0~44#1, main_~__tmp_56~0#1, main_~assert__arg~55#1, main_~check__tmp~65#1, main_~node4____CPAchecker_TMP_0~13#1, main_~node4____CPAchecker_TMP_1~13#1, main_~node1__m1~41#1, main_~main____CPAchecker_TMP_0~47#1, main_~__tmp_59~0#1, main_~assert__arg~58#1, main_~check__tmp~68#1, main_~node4__m4~65#1, main_~node3__m3~67#1, main_~node2__m2~41#1, main_~node1__m1~40#1, main_~main____CPAchecker_TMP_0~46#1, main_~__tmp_58~0#1, main_~assert__arg~57#1, main_~check__tmp~67#1, main_~node4__m4~63#1, main_~node3____CPAchecker_TMP_0~3#1, main_~node3__m3~68#1, main_~node2__m2~42#1, main_~node1__m1~42#1, main_~main____CPAchecker_TMP_0~48#1, main_~__tmp_60~0#1, main_~assert__arg~59#1, main_~check__tmp~69#1, main_~node4____CPAchecker_TMP_0~14#1, main_~node4____CPAchecker_TMP_1~14#1, main_~node3__m3~69#1, main_~node2__m2~43#1, main_~node1__m1~43#1, main_~main____CPAchecker_TMP_0~49#1, main_~__tmp_61~0#1, main_~assert__arg~60#1, main_~check__tmp~70#1, main_~node4__m4~66#1, main_~node3____CPAchecker_TMP_1~3#1, main_~node3__m3~70#1, main_~node2__m2~44#1, main_~node1__m1~44#1, main_~main____CPAchecker_TMP_0~50#1, main_~__tmp_62~0#1, main_~assert__arg~61#1, main_~check__tmp~71#1, main_~node4____CPAchecker_TMP_0~15#1, main_~node4____CPAchecker_TMP_1~15#1, main_~node3__m3~71#1, main_~node2__m2~45#1, main_~node1__m1~45#1, main_~main____CPAchecker_TMP_0~51#1, main_~__tmp_63~0#1, main_~assert__arg~62#1, main_~check__tmp~72#1, main_~node4__m4~67#1, main_~node3__m3~63#1, main_~node1____CPAchecker_TMP_0~13#1, main_~node1__m1~47#1, main_~main____CPAchecker_TMP_0~53#1, main_~__tmp_65~0#1, main_~assert__arg~64#1, main_~check__tmp~74#1, main_~node4__m4~69#1, main_~node3__m3~73#1, main_~node2__m2~46#1, main_~node1__m1~46#1, main_~main____CPAchecker_TMP_0~52#1, main_~__tmp_64~0#1, main_~assert__arg~63#1, main_~check__tmp~73#1, main_~node4____CPAchecker_TMP_0~16#1, main_~node4____CPAchecker_TMP_1~16#1, main_~node4__m4~70#1, main_~node3__m3~74#1, main_~node2__m2~47#1, main_~node1__m1~48#1, main_~main____CPAchecker_TMP_0~54#1, main_~__tmp_66~0#1, main_~assert__arg~65#1, main_~check__tmp~75#1, main_~node4__m4~68#1, main_~node4____CPAchecker_TMP_0~18#1, main_~node4____CPAchecker_TMP_1~17#1, main_~node4__m4~73#1, main_~node3____CPAchecker_TMP_0~5#1, main_~node3____CPAchecker_TMP_1~4#1, main_~node3__m3~76#1, main_~node2____CPAchecker_TMP_0~2#1, main_~node2____CPAchecker_TMP_1~1#1, main_~node2__m2~49#1, main_~node1__m1~50#1, main_~main____CPAchecker_TMP_0~56#1, main_~__tmp_68~0#1, main_~assert__arg~67#1, main_~check__tmp~77#1, main_~node4__m4~72#1, main_~node3__m3~75#1, main_~node2__m2~48#1, main_~node1__m1~49#1, main_~main____CPAchecker_TMP_0~55#1, main_~__tmp_67~0#1, main_~assert__arg~66#1, main_~check__tmp~76#1, main_~node4____CPAchecker_TMP_0~17#1, main_~node4____CPAchecker_TMP_1~18#1, main_~node2____CPAchecker_TMP_0~3#1, main_~node2____CPAchecker_TMP_1~2#1, main_~node2__m2~51#1, main_~node1__m1~52#1, main_~main____CPAchecker_TMP_0~58#1, main_~__tmp_70~0#1, main_~assert__arg~69#1, main_~check__tmp~79#1, main_~node4__m4~74#1, main_~node3__m3~77#1, main_~node2__m2~50#1, main_~node1__m1~51#1, main_~main____CPAchecker_TMP_0~57#1, main_~__tmp_69~0#1, main_~assert__arg~68#1, main_~check__tmp~78#1, main_~node4__m4~71#1, main_~node3____CPAchecker_TMP_0~4#1, main_~node1____CPAchecker_TMP_0~14#1, main_~node1__m1~54#1, main_~main____CPAchecker_TMP_0~60#1, main_~__tmp_72~0#1, main_~assert__arg~71#1, main_~check__tmp~81#1, main_~node4__m4~76#1, main_~node3__m3~78#1, main_~node2__m2~52#1, main_~node1__m1~53#1, main_~main____CPAchecker_TMP_0~59#1, main_~__tmp_71~0#1, main_~assert__arg~70#1, main_~check__tmp~80#1, main_~node4____CPAchecker_TMP_0~19#1, main_~node4____CPAchecker_TMP_1~19#1, main_~node4__m4~77#1, main_~node3__m3~79#1, main_~node2__m2~53#1, main_~node1__m1~55#1, main_~main____CPAchecker_TMP_0~61#1, main_~__tmp_73~0#1, main_~assert__arg~72#1, main_~check__tmp~82#1, main_~node4__m4~75#1, main_~node3____CPAchecker_TMP_1~5#1, main_~node2____CPAchecker_TMP_0~4#1, main_~node2____CPAchecker_TMP_1~3#1, main_~node2__m2~55#1, main_~node1__m1~57#1, main_~main____CPAchecker_TMP_0~63#1, main_~__tmp_75~0#1, main_~assert__arg~74#1, main_~check__tmp~84#1, main_~node4__m4~79#1, main_~node3__m3~80#1, main_~node2__m2~54#1, main_~node1__m1~56#1, main_~main____CPAchecker_TMP_0~62#1, main_~__tmp_74~0#1, main_~assert__arg~73#1, main_~check__tmp~83#1, main_~node4____CPAchecker_TMP_0~20#1, main_~node4____CPAchecker_TMP_1~20#1, main_~node2____CPAchecker_TMP_0~5#1, main_~node2____CPAchecker_TMP_1~4#1, main_~node2__m2~57#1, main_~node1__m1~59#1, main_~main____CPAchecker_TMP_0~65#1, main_~__tmp_77~0#1, main_~assert__arg~76#1, main_~check__tmp~86#1, main_~node4__m4~80#1, main_~node3__m3~81#1, main_~node2__m2~56#1, main_~node1__m1~58#1, main_~main____CPAchecker_TMP_0~64#1, main_~__tmp_76~0#1, main_~assert__arg~75#1, main_~check__tmp~85#1, main_~node4__m4~78#1, main_~node3__m3~72#1, main_~node2____CPAchecker_TMP_0~1#1, main_~node2____CPAchecker_TMP_1~5#1, main_~node1__m1~61#1, main_~main____CPAchecker_TMP_0~67#1, main_~__tmp_79~0#1, main_~assert__arg~78#1, main_~check__tmp~88#1, main_~node4__m4~82#1, main_~node3__m3~83#1, main_~node2__m2~58#1, main_~node1__m1~60#1, main_~main____CPAchecker_TMP_0~66#1, main_~__tmp_78~0#1, main_~assert__arg~77#1, main_~check__tmp~87#1, main_~node4____CPAchecker_TMP_0~21#1, main_~node4____CPAchecker_TMP_1~21#1, main_~node4__m4~83#1, main_~node3__m3~84#1, main_~node2__m2~59#1, main_~node1__m1~62#1, main_~main____CPAchecker_TMP_0~68#1, main_~__tmp_80~0#1, main_~assert__arg~79#1, main_~check__tmp~89#1, main_~node4__m4~81#1, main_~node2____CPAchecker_TMP_1~6#1, main_~node2__m2~61#1, main_~node1__m1~64#1, main_~main____CPAchecker_TMP_0~70#1, main_~__tmp_82~0#1, main_~assert__arg~81#1, main_~check__tmp~91#1, main_~node4__m4~85#1, main_~node3__m3~85#1, main_~node2__m2~60#1, main_~node1__m1~63#1, main_~main____CPAchecker_TMP_0~69#1, main_~__tmp_81~0#1, main_~assert__arg~80#1, main_~check__tmp~90#1, main_~node4____CPAchecker_TMP_0~22#1, main_~node4____CPAchecker_TMP_1~22#1, main_~node2____CPAchecker_TMP_1~7#1, main_~node2__m2~63#1, main_~node1__m1~66#1, main_~main____CPAchecker_TMP_0~72#1, main_~__tmp_84~0#1, main_~assert__arg~83#1, main_~check__tmp~93#1, main_~node4__m4~86#1, main_~node3__m3~86#1, main_~node2__m2~62#1, main_~node1__m1~65#1, main_~main____CPAchecker_TMP_0~71#1, main_~__tmp_83~0#1, main_~assert__arg~82#1, main_~check__tmp~92#1, main_~node4__m4~84#1, main_~node3____CPAchecker_TMP_0~6#1, main_~node1__m1~68#1, main_~main____CPAchecker_TMP_0~74#1, main_~__tmp_86~0#1, main_~assert__arg~85#1, main_~check__tmp~95#1, main_~node4__m4~88#1, main_~node3__m3~87#1, main_~node2__m2~64#1, main_~node1__m1~67#1, main_~main____CPAchecker_TMP_0~73#1, main_~__tmp_85~0#1, main_~assert__arg~84#1, main_~check__tmp~94#1, main_~node4____CPAchecker_TMP_0~23#1, main_~node4____CPAchecker_TMP_1~23#1, main_~node4__m4~89#1, main_~node3__m3~88#1, main_~node2__m2~65#1, main_~node1__m1~69#1, main_~main____CPAchecker_TMP_0~75#1, main_~__tmp_87~0#1, main_~assert__arg~86#1, main_~check__tmp~96#1, main_~node4__m4~87#1, main_~node3____CPAchecker_TMP_1~6#1, main_~node2____CPAchecker_TMP_1~8#1, main_~node2__m2~67#1, main_~node1__m1~71#1, main_~main____CPAchecker_TMP_0~77#1, main_~__tmp_89~0#1, main_~assert__arg~88#1, main_~check__tmp~98#1, main_~node4__m4~91#1, main_~node3__m3~89#1, main_~node2__m2~66#1, main_~node1__m1~70#1, main_~main____CPAchecker_TMP_0~76#1, main_~__tmp_88~0#1, main_~assert__arg~87#1, main_~check__tmp~97#1, main_~node4____CPAchecker_TMP_0~24#1, main_~node4____CPAchecker_TMP_1~24#1, main_~node2____CPAchecker_TMP_1~9#1, main_~node2__m2~69#1, main_~node1__m1~73#1, main_~main____CPAchecker_TMP_0~79#1, main_~__tmp_91~0#1, main_~assert__arg~90#1, main_~check__tmp~100#1, main_~node4__m4~92#1, main_~node3__m3~90#1, main_~node2__m2~68#1, main_~node1__m1~72#1, main_~main____CPAchecker_TMP_0~78#1, main_~__tmp_90~0#1, main_~assert__arg~89#1, main_~check__tmp~99#1, main_~node4__m4~90#1, main_~node3__m3~82#1, main_~node2__m2~37#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;assume -128 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 127;~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; {15744#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:37,228 INFO L290 TraceCheckUtils]: 2: Hoare triple {15744#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~r1~0; {15744#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:37,229 INFO L290 TraceCheckUtils]: 3: Hoare triple {15744#(<= (+ ~nomsg~0 1) 0)} assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; {15744#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:37,229 INFO L290 TraceCheckUtils]: 4: Hoare triple {15744#(<= (+ ~nomsg~0 1) 0)} assume ~id1~0 >= 0; {15744#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:37,229 INFO L290 TraceCheckUtils]: 5: Hoare triple {15744#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~st1~0; {15744#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:37,230 INFO L290 TraceCheckUtils]: 6: Hoare triple {15744#(<= (+ ~nomsg~0 1) 0)} assume ~send1~0 == ~id1~0; {15744#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:37,230 INFO L290 TraceCheckUtils]: 7: Hoare triple {15744#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~mode1~0 % 256; {15744#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:37,231 INFO L290 TraceCheckUtils]: 8: Hoare triple {15744#(<= (+ ~nomsg~0 1) 0)} assume ~id2~0 >= 0; {15744#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:37,231 INFO L290 TraceCheckUtils]: 9: Hoare triple {15744#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~st2~0; {15744#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:37,231 INFO L290 TraceCheckUtils]: 10: Hoare triple {15744#(<= (+ ~nomsg~0 1) 0)} assume ~send2~0 == ~id2~0; {15744#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:37,232 INFO L290 TraceCheckUtils]: 11: Hoare triple {15744#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~mode2~0 % 256; {15744#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:37,232 INFO L290 TraceCheckUtils]: 12: Hoare triple {15744#(<= (+ ~nomsg~0 1) 0)} assume ~id3~0 >= 0; {15745#(<= (+ ~nomsg~0 1) ~id3~0)} is VALID [2022-02-20 18:46:37,232 INFO L290 TraceCheckUtils]: 13: Hoare triple {15745#(<= (+ ~nomsg~0 1) ~id3~0)} assume 0 == ~st3~0; {15745#(<= (+ ~nomsg~0 1) ~id3~0)} is VALID [2022-02-20 18:46:37,233 INFO L290 TraceCheckUtils]: 14: Hoare triple {15745#(<= (+ ~nomsg~0 1) ~id3~0)} assume ~send3~0 == ~id3~0; {15746#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:46:37,233 INFO L290 TraceCheckUtils]: 15: Hoare triple {15746#(<= (+ ~nomsg~0 1) ~send3~0)} assume 0 == ~mode3~0 % 256; {15746#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:46:37,233 INFO L290 TraceCheckUtils]: 16: Hoare triple {15746#(<= (+ ~nomsg~0 1) ~send3~0)} assume ~id4~0 >= 0; {15746#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:46:37,234 INFO L290 TraceCheckUtils]: 17: Hoare triple {15746#(<= (+ ~nomsg~0 1) ~send3~0)} assume 0 == ~st4~0; {15746#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:46:37,234 INFO L290 TraceCheckUtils]: 18: Hoare triple {15746#(<= (+ ~nomsg~0 1) ~send3~0)} assume ~send4~0 == ~id4~0; {15746#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:46:37,235 INFO L290 TraceCheckUtils]: 19: Hoare triple {15746#(<= (+ ~nomsg~0 1) ~send3~0)} assume 0 == ~mode4~0 % 256; {15746#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:46:37,235 INFO L290 TraceCheckUtils]: 20: Hoare triple {15746#(<= (+ ~nomsg~0 1) ~send3~0)} assume ~id1~0 != ~id2~0; {15746#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:46:37,235 INFO L290 TraceCheckUtils]: 21: Hoare triple {15746#(<= (+ ~nomsg~0 1) ~send3~0)} assume ~id1~0 != ~id3~0; {15746#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:46:37,236 INFO L290 TraceCheckUtils]: 22: Hoare triple {15746#(<= (+ ~nomsg~0 1) ~send3~0)} assume ~id1~0 != ~id4~0; {15746#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:46:37,236 INFO L290 TraceCheckUtils]: 23: Hoare triple {15746#(<= (+ ~nomsg~0 1) ~send3~0)} assume ~id2~0 != ~id3~0; {15746#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:46:37,236 INFO L290 TraceCheckUtils]: 24: Hoare triple {15746#(<= (+ ~nomsg~0 1) ~send3~0)} assume ~id2~0 != ~id4~0; {15746#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:46:37,237 INFO L290 TraceCheckUtils]: 25: Hoare triple {15746#(<= (+ ~nomsg~0 1) ~send3~0)} assume ~id3~0 != ~id4~0;main_~init__tmp~0#1 := 1;~__return_130~0 := main_~init__tmp~0#1;main_~main__i2~0#1 := ~__return_130~0; {15746#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:46:37,237 INFO L290 TraceCheckUtils]: 26: Hoare triple {15746#(<= (+ ~nomsg~0 1) ~send3~0)} 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; {15746#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:46:37,237 INFO L290 TraceCheckUtils]: 27: Hoare triple {15746#(<= (+ ~nomsg~0 1) ~send3~0)} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~0#1;main_~node1__m1~0#1 := ~nomsg~0; {15746#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:46:37,238 INFO L290 TraceCheckUtils]: 28: Hoare triple {15746#(<= (+ ~nomsg~0 1) ~send3~0)} assume !!(0 == ~mode1~0 % 256); {15746#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:46:37,238 INFO L290 TraceCheckUtils]: 29: Hoare triple {15746#(<= (+ ~nomsg~0 1) ~send3~0)} assume !(0 == ~alive1~0 % 256);havoc main_~node1____CPAchecker_TMP_0~0#1; {15746#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:46:37,238 INFO L290 TraceCheckUtils]: 30: Hoare triple {15746#(<= (+ ~nomsg~0 1) ~send3~0)} assume ~send1~0 != ~nomsg~0; {15746#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:46:37,239 INFO L290 TraceCheckUtils]: 31: Hoare triple {15746#(<= (+ ~nomsg~0 1) ~send3~0)} assume ~p1_new~0 == ~nomsg~0;main_~node1____CPAchecker_TMP_0~0#1 := ~send1~0; {15746#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:46:37,239 INFO L290 TraceCheckUtils]: 32: Hoare triple {15746#(<= (+ ~nomsg~0 1) ~send3~0)} ~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__m2~0#1;main_~node2__m2~0#1 := ~nomsg~0; {15746#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:46:37,240 INFO L290 TraceCheckUtils]: 33: Hoare triple {15746#(<= (+ ~nomsg~0 1) ~send3~0)} assume !!(0 == ~mode2~0 % 256); {15746#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:46:37,240 INFO L290 TraceCheckUtils]: 34: Hoare triple {15746#(<= (+ ~nomsg~0 1) ~send3~0)} assume !(0 == ~alive2~0 % 256);havoc main_~node2____CPAchecker_TMP_0~0#1; {15746#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:46:37,240 INFO L290 TraceCheckUtils]: 35: Hoare triple {15746#(<= (+ ~nomsg~0 1) ~send3~0)} assume ~send2~0 != ~nomsg~0; {15746#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:46:37,241 INFO L290 TraceCheckUtils]: 36: Hoare triple {15746#(<= (+ ~nomsg~0 1) ~send3~0)} assume ~p2_new~0 == ~nomsg~0;main_~node2____CPAchecker_TMP_0~0#1 := ~send2~0;~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); {15746#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:46:37,241 INFO L290 TraceCheckUtils]: 37: Hoare triple {15746#(<= (+ ~nomsg~0 1) ~send3~0)} ~mode2~0 := 1;havoc main_~node3__m3~0#1;main_~node3__m3~0#1 := ~nomsg~0; {15746#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:46:37,241 INFO L290 TraceCheckUtils]: 38: Hoare triple {15746#(<= (+ ~nomsg~0 1) ~send3~0)} assume !!(0 == ~mode3~0 % 256); {15746#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:46:37,242 INFO L290 TraceCheckUtils]: 39: Hoare triple {15746#(<= (+ ~nomsg~0 1) ~send3~0)} assume !(0 == ~alive3~0 % 256);havoc main_~node3____CPAchecker_TMP_0~0#1; {15746#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:46:37,242 INFO L290 TraceCheckUtils]: 40: Hoare triple {15746#(<= (+ ~nomsg~0 1) ~send3~0)} assume !(~send3~0 != ~nomsg~0);main_~node3____CPAchecker_TMP_0~0#1 := ~p3_new~0;~p3_new~0 := (if main_~node3____CPAchecker_TMP_0~0#1 % 256 <= 127 then main_~node3____CPAchecker_TMP_0~0#1 % 256 else main_~node3____CPAchecker_TMP_0~0#1 % 256 - 256);~mode3~0 := 1;havoc main_~node4__m4~7#1;main_~node4__m4~7#1 := ~nomsg~0; {15743#false} is VALID [2022-02-20 18:46:37,242 INFO L290 TraceCheckUtils]: 41: Hoare triple {15743#false} assume !!(0 == ~mode4~0 % 256); {15743#false} is VALID [2022-02-20 18:46:37,243 INFO L290 TraceCheckUtils]: 42: Hoare triple {15743#false} assume !!(0 == ~alive4~0 % 256); {15743#false} is VALID [2022-02-20 18:46:37,243 INFO L290 TraceCheckUtils]: 43: Hoare triple {15743#false} assume !(~send4~0 != ~id4~0);~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~9#1; {15743#false} is VALID [2022-02-20 18:46:37,243 INFO L290 TraceCheckUtils]: 44: Hoare triple {15743#false} assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; {15743#false} is VALID [2022-02-20 18:46:37,243 INFO L290 TraceCheckUtils]: 45: Hoare triple {15743#false} assume ~r1~0 < 4;main_~check__tmp~9#1 := 1;~__return_2054~0 := main_~check__tmp~9#1;main_~main__c1~0#1 := ~__return_2054~0;havoc main_~__tmp_5~0#1;main_~__tmp_5~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~4#1;main_~assert__arg~4#1 := main_~__tmp_5~0#1; {15743#false} is VALID [2022-02-20 18:46:37,243 INFO L290 TraceCheckUtils]: 46: Hoare triple {15743#false} assume !(0 == main_~assert__arg~4#1 % 256);main_~main____CPAchecker_TMP_0~3#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1; {15743#false} is VALID [2022-02-20 18:46:37,244 INFO L290 TraceCheckUtils]: 47: Hoare triple {15743#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~4#1;main_~node1__m1~4#1 := ~nomsg~0; {15743#false} is VALID [2022-02-20 18:46:37,244 INFO L290 TraceCheckUtils]: 48: Hoare triple {15743#false} assume !(0 == ~mode1~0 % 256);~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);main_~node1__m1~4#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {15743#false} is VALID [2022-02-20 18:46:37,244 INFO L290 TraceCheckUtils]: 49: Hoare triple {15743#false} assume !(main_~node1__m1~4#1 != ~nomsg~0);~mode1~0 := 0;havoc main_~node2__m2~6#1;main_~node2__m2~6#1 := ~nomsg~0; {15743#false} is VALID [2022-02-20 18:46:37,244 INFO L290 TraceCheckUtils]: 50: Hoare triple {15743#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~6#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {15743#false} is VALID [2022-02-20 18:46:37,244 INFO L290 TraceCheckUtils]: 51: Hoare triple {15743#false} assume main_~node2__m2~6#1 != ~nomsg~0; {15743#false} is VALID [2022-02-20 18:46:37,244 INFO L290 TraceCheckUtils]: 52: Hoare triple {15743#false} assume !(0 == ~alive2~0 % 256); {15743#false} is VALID [2022-02-20 18:46:37,245 INFO L290 TraceCheckUtils]: 53: Hoare triple {15743#false} assume !(main_~node2__m2~6#1 > ~id2~0); {15743#false} is VALID [2022-02-20 18:46:37,245 INFO L290 TraceCheckUtils]: 54: Hoare triple {15743#false} assume main_~node2__m2~6#1 == ~id2~0;~st2~0 := 1;~mode2~0 := 0;havoc main_~node3__m3~11#1;main_~node3__m3~11#1 := ~nomsg~0; {15743#false} is VALID [2022-02-20 18:46:37,245 INFO L290 TraceCheckUtils]: 55: Hoare triple {15743#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~11#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {15743#false} is VALID [2022-02-20 18:46:37,245 INFO L290 TraceCheckUtils]: 56: Hoare triple {15743#false} assume main_~node3__m3~11#1 != ~nomsg~0; {15743#false} is VALID [2022-02-20 18:46:37,245 INFO L290 TraceCheckUtils]: 57: Hoare triple {15743#false} assume !(0 == ~alive3~0 % 256); {15743#false} is VALID [2022-02-20 18:46:37,246 INFO L290 TraceCheckUtils]: 58: Hoare triple {15743#false} assume !(main_~node3__m3~11#1 > ~id3~0); {15743#false} is VALID [2022-02-20 18:46:37,246 INFO L290 TraceCheckUtils]: 59: Hoare triple {15743#false} assume main_~node3__m3~11#1 == ~id3~0;~st3~0 := 1;~mode3~0 := 0;havoc main_~node4__m4~12#1;main_~node4__m4~12#1 := ~nomsg~0; {15743#false} is VALID [2022-02-20 18:46:37,246 INFO L290 TraceCheckUtils]: 60: Hoare triple {15743#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~12#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {15743#false} is VALID [2022-02-20 18:46:37,246 INFO L290 TraceCheckUtils]: 61: Hoare triple {15743#false} assume !(main_~node4__m4~12#1 != ~nomsg~0);~mode4~0 := 0;~__tmp_7042_0~0 := main_~main____CPAchecker_TMP_0~3#1; {15743#false} is VALID [2022-02-20 18:46:37,246 INFO L290 TraceCheckUtils]: 62: Hoare triple {15743#false} main_~main____CPAchecker_TMP_0~3#1 := ~__tmp_7042_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~10#1; {15743#false} is VALID [2022-02-20 18:46:37,246 INFO L290 TraceCheckUtils]: 63: Hoare triple {15743#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~10#1 := 0;~__return_7075~0 := main_~check__tmp~10#1;main_~main__c1~0#1 := ~__return_7075~0;havoc main_~__tmp_6~0#1;main_~__tmp_6~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~5#1;main_~assert__arg~5#1 := main_~__tmp_6~0#1; {15743#false} is VALID [2022-02-20 18:46:37,247 INFO L290 TraceCheckUtils]: 64: Hoare triple {15743#false} assume 0 == main_~assert__arg~5#1 % 256; {15743#false} is VALID [2022-02-20 18:46:37,247 INFO L290 TraceCheckUtils]: 65: Hoare triple {15743#false} assume !false; {15743#false} is VALID [2022-02-20 18:46:37,247 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 18:46:37,247 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:46:37,248 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118063021] [2022-02-20 18:46:37,248 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118063021] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:46:37,248 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:46:37,248 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 18:46:37,248 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540682068] [2022-02-20 18:46:37,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:46:37,249 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 66 [2022-02-20 18:46:37,250 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:46:37,250 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 18:46:37,294 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 66 edges. 66 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:46:37,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:46:37,294 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:46:37,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:46:37,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:46:37,295 INFO L87 Difference]: Start difference. First operand 2676 states and 3473 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 18:46:42,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:46:42,945 INFO L93 Difference]: Finished difference Result 4522 states and 5883 transitions. [2022-02-20 18:46:42,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:46:42,945 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 66 [2022-02-20 18:46:42,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:46:42,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 18:46:42,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4262 transitions. [2022-02-20 18:46:42,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 18:46:42,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4262 transitions. [2022-02-20 18:46:42,980 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 4262 transitions. [2022-02-20 18:46:45,641 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 4262 edges. 4262 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:46:45,952 INFO L225 Difference]: With dead ends: 4522 [2022-02-20 18:46:45,952 INFO L226 Difference]: Without dead ends: 2942 [2022-02-20 18:46:45,954 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 18:46:45,954 INFO L933 BasicCegarLoop]: 1090 mSDtfsCounter, 7585 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7585 SdHoareTripleChecker+Valid, 1467 SdHoareTripleChecker+Invalid, 1389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-20 18:46:45,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7585 Valid, 1467 Invalid, 1389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-20 18:46:45,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2022-02-20 18:46:47,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2927. [2022-02-20 18:46:47,459 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:46:47,464 INFO L82 GeneralOperation]: Start isEquivalent. First operand 2942 states. Second operand has 2927 states, 2920 states have (on average 1.3095890410958904) internal successors, (3824), 2926 states have internal predecessors, (3824), 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 18:46:47,468 INFO L74 IsIncluded]: Start isIncluded. First operand 2942 states. Second operand has 2927 states, 2920 states have (on average 1.3095890410958904) internal successors, (3824), 2926 states have internal predecessors, (3824), 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 18:46:47,471 INFO L87 Difference]: Start difference. First operand 2942 states. Second operand has 2927 states, 2920 states have (on average 1.3095890410958904) internal successors, (3824), 2926 states have internal predecessors, (3824), 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 18:46:47,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:46:47,697 INFO L93 Difference]: Finished difference Result 2942 states and 3836 transitions. [2022-02-20 18:46:47,698 INFO L276 IsEmpty]: Start isEmpty. Operand 2942 states and 3836 transitions. [2022-02-20 18:46:47,701 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:46:47,701 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:46:47,706 INFO L74 IsIncluded]: Start isIncluded. First operand has 2927 states, 2920 states have (on average 1.3095890410958904) internal successors, (3824), 2926 states have internal predecessors, (3824), 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 2942 states. [2022-02-20 18:46:47,709 INFO L87 Difference]: Start difference. First operand has 2927 states, 2920 states have (on average 1.3095890410958904) internal successors, (3824), 2926 states have internal predecessors, (3824), 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 2942 states. [2022-02-20 18:46:47,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:46:47,940 INFO L93 Difference]: Finished difference Result 2942 states and 3836 transitions. [2022-02-20 18:46:47,940 INFO L276 IsEmpty]: Start isEmpty. Operand 2942 states and 3836 transitions. [2022-02-20 18:46:47,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:46:47,943 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:46:47,943 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:46:47,943 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:46:47,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2927 states, 2920 states have (on average 1.3095890410958904) internal successors, (3824), 2926 states have internal predecessors, (3824), 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 18:46:48,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2927 states to 2927 states and 3824 transitions. [2022-02-20 18:46:48,251 INFO L78 Accepts]: Start accepts. Automaton has 2927 states and 3824 transitions. Word has length 66 [2022-02-20 18:46:48,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:46:48,251 INFO L470 AbstractCegarLoop]: Abstraction has 2927 states and 3824 transitions. [2022-02-20 18:46:48,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 18:46:48,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2927 states and 3824 transitions. [2022-02-20 18:46:48,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-20 18:46:48,254 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:46:48,254 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:46:48,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 18:46:48,255 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 18:46:48,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:46:48,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1316871796, now seen corresponding path program 1 times [2022-02-20 18:46:48,256 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:46:48,256 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817072898] [2022-02-20 18:46:48,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:46:48,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:46:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:46:48,336 INFO L290 TraceCheckUtils]: 0: Hoare triple {31109#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(65, 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_130~0 := 0;~__return_2064~0 := 0;~__tmp_7506_0~0 := 0;~__return_7565~0 := 0;~__return_7545~0 := 0;~__return_2074~0 := 0;~__return_2044~0 := 0;~__tmp_6806_0~0 := 0;~__return_6883~0 := 0;~__tmp_6794_0~0 := 0;~__return_6863~0 := 0;~__tmp_6782_0~0 := 0;~__return_6855~0 := 0;~__tmp_6770_0~0 := 0;~__return_6847~0 := 0;~__return_2054~0 := 0;~__tmp_7042_0~0 := 0;~__return_7075~0 := 0;~__tmp_7030_0~0 := 0;~__return_7067~0 := 0;~__return_2104~0 := 0;~__return_2114~0 := 0;~__return_2084~0 := 0;~__return_2094~0 := 0;~__return_1984~0 := 0;~__tmp_5151_0~0 := 0;~__return_5380~0 := 0;~__tmp_5139_0~0 := 0;~__return_5360~0 := 0;~__tmp_5127_0~0 := 0;~__return_5352~0 := 0;~__tmp_5353_0~0 := 0;~__tmp_5115_0~0 := 0;~__return_5344~0 := 0;~__return_1994~0 := 0;~__tmp_5471_0~0 := 0;~__tmp_5459_0~0 := 0;~__return_1964~0 := 0;~__tmp_4686_0~0 := 0;~__tmp_4734_0~0 := 0;~__return_4803~0 := 0;~__tmp_4674_0~0 := 0;~__tmp_4722_0~0 := 0;~__return_4795~0 := 0;~__tmp_4662_0~0 := 0;~__tmp_4710_0~0 := 0;~__return_4785~0 := 0;~__tmp_4814_0~0 := 0;~__tmp_10046_0~0 := 0;~__tmp_10047_0~0 := 0;~__return_10049~0 := 0;~__tmp_4650_0~0 := 0;~__tmp_4698_0~0 := 0;~__return_4775~0 := 0;~__return_1974~0 := 0;~__tmp_4910_0~0 := 0;~__tmp_4934_0~0 := 0;~__return_4969~0 := 0;~__tmp_4898_0~0 := 0;~__tmp_4922_0~0 := 0;~__return_4959~0 := 0;~__return_2024~0 := 0;~__tmp_6139_0~0 := 0;~__return_6368~0 := 0;~__tmp_6127_0~0 := 0;~__return_6348~0 := 0;~__tmp_6115_0~0 := 0;~__return_6340~0 := 0;~__tmp_6103_0~0 := 0;~__return_6332~0 := 0;~__return_2034~0 := 0;~__tmp_6451_0~0 := 0;~__tmp_6439_0~0 := 0;~__return_2004~0 := 0;~__tmp_5674_0~0 := 0;~__tmp_5722_0~0 := 0;~__return_5791~0 := 0;~__tmp_5662_0~0 := 0;~__tmp_5710_0~0 := 0;~__return_5783~0 := 0;~__tmp_5650_0~0 := 0;~__tmp_5698_0~0 := 0;~__return_5773~0 := 0;~__tmp_5638_0~0 := 0;~__tmp_5686_0~0 := 0;~__return_5763~0 := 0;~__return_2014~0 := 0;~__tmp_5898_0~0 := 0;~__tmp_5922_0~0 := 0;~__return_5957~0 := 0;~__tmp_5886_0~0 := 0;~__tmp_5910_0~0 := 0;~__return_5947~0 := 0;~__return_2144~0 := 0;~__return_8776~0 := 0;~__return_8768~0 := 0;~__return_2154~0 := 0;~__return_2124~0 := 0;~__tmp_8428_0~0 := 0;~__return_8463~0 := 0;~__tmp_8416_0~0 := 0;~__return_8453~0 := 0;~__return_2134~0 := 0;~__tmp_8538_0~0 := 0;~__return_8555~0 := 0;~__return_2184~0 := 0;~__return_9330~0 := 0;~__return_9322~0 := 0;~__return_2194~0 := 0;~__return_2164~0 := 0;~__tmp_8982_0~0 := 0;~__return_9017~0 := 0;~__tmp_8970_0~0 := 0;~__return_9007~0 := 0;~__return_2174~0 := 0;~__tmp_9092_0~0 := 0;~__return_9109~0 := 0;~__return_1824~0 := 0;~__return_3575~0 := 0;~__return_1834~0 := 0;~__return_1804~0 := 0;~__tmp_3321_0~0 := 0;~__return_3338~0 := 0;~__return_1814~0 := 0;~__tmp_3424_0~0 := 0;~__return_3441~0 := 0;~__return_1864~0 := 0;~__return_1874~0 := 0;~__return_1844~0 := 0;~__return_1854~0 := 0;~__return_1744~0 := 0;~__tmp_2786_0~0 := 0;~__return_2841~0 := 0;~__return_1754~0 := 0;~__tmp_2889_0~0 := 0;~__return_1724~0 := 0;~__tmp_2625_0~0 := 0;~__tmp_2637_0~0 := 0;~__return_2654~0 := 0;~__tmp_9421_0~0 := 0;~__tmp_9474_0~0 := 0;~__return_1734~0 := 0;~__tmp_2702_0~0 := 0;~__tmp_2714_0~0 := 0;~__return_2731~0 := 0;~__return_1784~0 := 0;~__tmp_3115_0~0 := 0;~__return_3170~0 := 0;~__return_1794~0 := 0;~__tmp_3218_0~0 := 0;~__return_1764~0 := 0;~__tmp_2954_0~0 := 0;~__tmp_2966_0~0 := 0;~__return_2983~0 := 0;~__return_1774~0 := 0;~__tmp_3031_0~0 := 0;~__tmp_3043_0~0 := 0;~__return_3060~0 := 0;~__tmp_9724_0~0 := 0;~__return_1904~0 := 0;~__return_4125~0 := 0;~__return_1914~0 := 0;~__return_1884~0 := 0;~__tmp_3921_0~0 := 0;~__return_3938~0 := 0;~__return_1894~0 := 0;~__tmp_3998_0~0 := 0;~__return_4015~0 := 0;~__tmp_9902_0~0 := 0;~__return_1944~0 := 0;~__return_4454~0 := 0;~__return_1954~0 := 0;~__return_1924~0 := 0;~__tmp_4250_0~0 := 0;~__return_4267~0 := 0;~__tmp_9949_0~0 := 0;~__return_1934~0 := 0;~__tmp_4327_0~0 := 0;~__return_4344~0 := 0;~__tmp_9984_0~0 := 0; {31111#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:48,337 INFO L290 TraceCheckUtils]: 1: Hoare triple {31111#(<= (+ ~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_~node4__m4~1#1, main_~node3__m3~1#1, main_~node4__m4~2#1, main_~node3__m3~2#1, main_~node2__m2~1#1, main_~check__tmp~1#1, main_~node4__m4~3#1, main_~node3__m3~3#1, main_~check__tmp~2#1, main_~node4__m4~4#1, main_~node3__m3~4#1, main_~node2__m2~2#1, main_~node1__m1~1#1, main_~main____CPAchecker_TMP_0~0#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~node4____CPAchecker_TMP_0~0#1, main_~node4____CPAchecker_TMP_1~0#1, main_~node4__m4~5#1, main_~node3__m3~5#1, main_~node4__m4~6#1, main_~node3__m3~6#1, main_~node2__m2~3#1, main_~node1__m1~2#1, main_~main____CPAchecker_TMP_0~1#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~3#1, main_~node4__m4~0#1, main_~check__tmp~5#1, main_~node4__m4~8#1, main_~node3__m3~7#1, main_~check__tmp~6#1, main_~node4__m4~9#1, main_~node3__m3~8#1, main_~node2__m2~4#1, main_~check__tmp~7#1, main_~node4__m4~10#1, main_~node3__m3~9#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~8#1, main_~node4__m4~11#1, main_~node3__m3~10#1, main_~node2__m2~5#1, main_~node1__m1~3#1, main_~main____CPAchecker_TMP_0~2#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~4#1, main_~node4____CPAchecker_TMP_0~1#1, main_~node4____CPAchecker_TMP_1~1#1, main_~__tmp_6~0#1, main_~assert__arg~5#1, main_~check__tmp~10#1, main_~node4__m4~12#1, main_~node3__m3~11#1, main_~main____CPAchecker_TMP_0~4#1, main_~__tmp_7~0#1, main_~assert__arg~6#1, main_~check__tmp~11#1, main_~node4__m4~13#1, main_~node3__m3~12#1, main_~node2__m2~6#1, main_~node1__m1~4#1, main_~main____CPAchecker_TMP_0~3#1, main_~__tmp_5~0#1, main_~assert__arg~4#1, main_~check__tmp~9#1, main_~node4__m4~7#1, main_~node3____CPAchecker_TMP_0~0#1, main_~node3__m3~13#1, main_~node3__m3~14#1, main_~node2__m2~7#1, main_~node3__m3~15#1, main_~node3__m3~16#1, main_~node2__m2~8#1, main_~node1__m1~5#1, main_~main____CPAchecker_TMP_0~5#1, main_~__tmp_8~0#1, main_~assert__arg~7#1, main_~check__tmp~12#1, main_~node4____CPAchecker_TMP_0~2#1, main_~node4____CPAchecker_TMP_1~2#1, main_~node3__m3~17#1, main_~node3__m3~18#1, main_~node2__m2~9#1, main_~node1__m1~6#1, main_~main____CPAchecker_TMP_0~6#1, main_~__tmp_9~0#1, main_~assert__arg~8#1, main_~check__tmp~13#1, main_~node4__m4~14#1, main_~node3____CPAchecker_TMP_1~0#1, main_~node3__m3~19#1, main_~node3__m3~20#1, main_~node2__m2~10#1, main_~node3__m3~21#1, main_~node3__m3~22#1, main_~node2__m2~11#1, main_~node1__m1~7#1, main_~main____CPAchecker_TMP_0~7#1, main_~__tmp_10~0#1, main_~assert__arg~9#1, main_~check__tmp~14#1, main_~node4____CPAchecker_TMP_0~3#1, main_~node4____CPAchecker_TMP_1~3#1, main_~node3__m3~23#1, main_~node3__m3~24#1, main_~node2__m2~12#1, main_~node1__m1~8#1, main_~main____CPAchecker_TMP_0~8#1, main_~__tmp_11~0#1, main_~assert__arg~10#1, main_~check__tmp~15#1, main_~node4__m4~15#1, main_~node3__m3~0#1, main_~check__tmp~17#1, main_~node4__m4~17#1, main_~node3__m3~26#1, main_~check__tmp~18#1, main_~node4__m4~18#1, main_~node3__m3~27#1, main_~node2__m2~13#1, main_~__tmp_13~0#1, main_~assert__arg~12#1, main_~check__tmp~19#1, main_~node4__m4~19#1, main_~node3__m3~28#1, main_~__tmp_14~0#1, main_~assert__arg~13#1, main_~check__tmp~20#1, main_~node4__m4~20#1, main_~node3__m3~29#1, main_~node2__m2~14#1, main_~node1__m1~9#1, main_~main____CPAchecker_TMP_0~9#1, main_~__tmp_12~0#1, main_~assert__arg~11#1, main_~check__tmp~16#1, main_~node4____CPAchecker_TMP_0~4#1, main_~node4____CPAchecker_TMP_1~4#1, main_~node4__m4~21#1, main_~node3__m3~30#1, main_~node4__m4~22#1, main_~node3__m3~31#1, main_~node2__m2~15#1, main_~node1__m1~10#1, main_~main____CPAchecker_TMP_0~10#1, main_~__tmp_15~0#1, main_~assert__arg~14#1, main_~check__tmp~21#1, main_~node4__m4~16#1, main_~__tmp_17~0#1, main_~assert__arg~16#1, main_~check__tmp~23#1, main_~node4__m4~24#1, main_~node3__m3~32#1, main_~__tmp_18~0#1, main_~assert__arg~17#1, main_~check__tmp~24#1, main_~node4__m4~25#1, main_~node3__m3~33#1, main_~node2__m2~16#1, main_~node1____CPAchecker_TMP_0~1#1, main_~node1__m1~12#1, main_~main____CPAchecker_TMP_0~12#1, main_~__tmp_19~0#1, main_~assert__arg~18#1, main_~check__tmp~25#1, main_~node4__m4~26#1, main_~node3__m3~34#1, main_~node1____CPAchecker_TMP_0~2#1, main_~node1__m1~13#1, main_~main____CPAchecker_TMP_0~13#1, main_~__tmp_20~0#1, main_~assert__arg~19#1, main_~check__tmp~26#1, main_~node4__m4~27#1, main_~node3__m3~35#1, main_~node2__m2~17#1, main_~node1__m1~11#1, main_~main____CPAchecker_TMP_0~11#1, main_~__tmp_16~0#1, main_~assert__arg~15#1, main_~check__tmp~22#1, main_~node4____CPAchecker_TMP_0~5#1, main_~node4____CPAchecker_TMP_1~5#1, main_~main____CPAchecker_TMP_0~15#1, main_~__tmp_22~0#1, main_~assert__arg~21#1, main_~check__tmp~28#1, main_~node4__m4~28#1, main_~node3__m3~36#1, main_~node1____CPAchecker_TMP_0~3#1, main_~node1__m1~15#1, main_~main____CPAchecker_TMP_0~16#1, main_~__tmp_23~0#1, main_~assert__arg~22#1, main_~check__tmp~29#1, main_~node4__m4~29#1, main_~node3__m3~37#1, main_~node2__m2~18#1, main_~node1__m1~14#1, main_~main____CPAchecker_TMP_0~14#1, main_~__tmp_21~0#1, main_~assert__arg~20#1, main_~check__tmp~27#1, main_~node4__m4~23#1, main_~node3____CPAchecker_TMP_0~1#1, main_~check__tmp~31#1, main_~node4__m4~31#1, main_~node3__m3~38#1, main_~check__tmp~32#1, main_~node4__m4~32#1, main_~node3__m3~39#1, main_~node2__m2~19#1, main_~check__tmp~33#1, main_~node4__m4~33#1, main_~node3__m3~40#1, main_~__tmp_25~0#1, main_~assert__arg~24#1, main_~check__tmp~34#1, main_~node4__m4~34#1, main_~node3__m3~41#1, main_~node2__m2~20#1, main_~node1__m1~16#1, main_~main____CPAchecker_TMP_0~17#1, main_~__tmp_24~0#1, main_~assert__arg~23#1, main_~check__tmp~30#1, main_~node4____CPAchecker_TMP_0~6#1, main_~node4____CPAchecker_TMP_1~6#1, main_~node4__m4~35#1, main_~node3__m3~42#1, main_~node4__m4~36#1, main_~node3__m3~43#1, main_~node2__m2~21#1, main_~node1__m1~17#1, main_~main____CPAchecker_TMP_0~18#1, main_~__tmp_26~0#1, main_~assert__arg~25#1, main_~check__tmp~35#1, main_~node4__m4~30#1, main_~node3____CPAchecker_TMP_1~1#1, main_~__tmp_28~0#1, main_~assert__arg~27#1, main_~check__tmp~37#1, main_~node4__m4~38#1, main_~node3__m3~44#1, main_~main____CPAchecker_TMP_0~20#1, main_~__tmp_29~0#1, main_~assert__arg~28#1, main_~check__tmp~38#1, main_~node4__m4~39#1, main_~node3__m3~45#1, main_~node2__m2~22#1, main_~main____CPAchecker_TMP_0~21#1, main_~__tmp_30~0#1, main_~assert__arg~29#1, main_~check__tmp~39#1, main_~node4__m4~40#1, main_~node3__m3~46#1, main_~node1____CPAchecker_TMP_0~4#1, main_~node1__m1~19#1, main_~main____CPAchecker_TMP_0~22#1, main_~__tmp_31~0#1, main_~assert__arg~30#1, main_~check__tmp~40#1, main_~node4__m4~41#1, main_~node3__m3~47#1, main_~node2__m2~23#1, main_~node1__m1~18#1, main_~main____CPAchecker_TMP_0~19#1, main_~__tmp_27~0#1, main_~assert__arg~26#1, main_~check__tmp~36#1, main_~node4____CPAchecker_TMP_0~7#1, main_~node4____CPAchecker_TMP_1~7#1, main_~node1____CPAchecker_TMP_0~5#1, main_~node1__m1~21#1, main_~main____CPAchecker_TMP_0~24#1, main_~__tmp_33~0#1, main_~assert__arg~32#1, main_~check__tmp~42#1, main_~node4__m4~42#1, main_~node3__m3~48#1, main_~node1____CPAchecker_TMP_0~6#1, main_~node1__m1~22#1, main_~main____CPAchecker_TMP_0~25#1, main_~__tmp_34~0#1, main_~assert__arg~33#1, main_~check__tmp~43#1, main_~node4__m4~43#1, main_~node3__m3~49#1, main_~node2__m2~24#1, main_~node1__m1~20#1, main_~main____CPAchecker_TMP_0~23#1, main_~__tmp_32~0#1, main_~assert__arg~31#1, main_~check__tmp~41#1, main_~node4__m4~37#1, main_~node3__m3~25#1, main_~node2____CPAchecker_TMP_0~0#1, main_~node2____CPAchecker_TMP_1~0#1, main_~__tmp_36~0#1, main_~assert__arg~35#1, main_~check__tmp~45#1, main_~node4__m4~45#1, main_~node3__m3~51#1, main_~node2__m2~25#1, main_~main____CPAchecker_TMP_0~27#1, main_~__tmp_37~0#1, main_~assert__arg~36#1, main_~check__tmp~46#1, main_~node4__m4~46#1, main_~node3__m3~52#1, main_~node2__m2~26#1, main_~node1__m1~23#1, main_~main____CPAchecker_TMP_0~26#1, main_~__tmp_35~0#1, main_~assert__arg~34#1, main_~check__tmp~44#1, main_~node4____CPAchecker_TMP_0~8#1, main_~node4____CPAchecker_TMP_1~8#1, main_~node4__m4~47#1, main_~node3__m3~53#1, main_~node2__m2~27#1, main_~node1__m1~24#1, main_~main____CPAchecker_TMP_0~28#1, main_~__tmp_38~0#1, main_~assert__arg~37#1, main_~check__tmp~47#1, main_~node4__m4~44#1, main_~main____CPAchecker_TMP_0~30#1, main_~__tmp_40~0#1, main_~assert__arg~39#1, main_~check__tmp~49#1, main_~node4__m4~49#1, main_~node3__m3~54#1, main_~node2__m2~28#1, main_~node1____CPAchecker_TMP_0~7#1, main_~node1__m1~26#1, main_~main____CPAchecker_TMP_0~31#1, main_~__tmp_41~0#1, main_~assert__arg~40#1, main_~check__tmp~50#1, main_~node4__m4~50#1, main_~node3__m3~55#1, main_~node2__m2~29#1, main_~node1__m1~25#1, main_~main____CPAchecker_TMP_0~29#1, main_~__tmp_39~0#1, main_~assert__arg~38#1, main_~check__tmp~48#1, main_~node4____CPAchecker_TMP_0~9#1, main_~node4____CPAchecker_TMP_1~9#1, main_~node1____CPAchecker_TMP_0~8#1, main_~node1__m1~28#1, main_~main____CPAchecker_TMP_0~33#1, main_~__tmp_43~0#1, main_~assert__arg~42#1, main_~check__tmp~52#1, main_~node4__m4~51#1, main_~node3__m3~56#1, main_~node2__m2~30#1, main_~node1__m1~27#1, main_~main____CPAchecker_TMP_0~32#1, main_~__tmp_42~0#1, main_~assert__arg~41#1, main_~check__tmp~51#1, main_~node4__m4~48#1, main_~node3____CPAchecker_TMP_0~2#1, main_~__tmp_45~0#1, main_~assert__arg~44#1, main_~check__tmp~54#1, main_~node4__m4~53#1, main_~node3__m3~57#1, main_~node2__m2~31#1, main_~main____CPAchecker_TMP_0~35#1, main_~__tmp_46~0#1, main_~assert__arg~45#1, main_~check__tmp~55#1, main_~node4__m4~54#1, main_~node3__m3~58#1, main_~node2__m2~32#1, main_~node1__m1~29#1, main_~main____CPAchecker_TMP_0~34#1, main_~__tmp_44~0#1, main_~assert__arg~43#1, main_~check__tmp~53#1, main_~node4____CPAchecker_TMP_0~10#1, main_~node4____CPAchecker_TMP_1~10#1, main_~node4__m4~55#1, main_~node3__m3~59#1, main_~node2__m2~33#1, main_~node1__m1~30#1, main_~main____CPAchecker_TMP_0~36#1, main_~__tmp_47~0#1, main_~assert__arg~46#1, main_~check__tmp~56#1, main_~node4__m4~52#1, main_~node3____CPAchecker_TMP_1~2#1, main_~node1____CPAchecker_TMP_0~9#1, main_~node1__m1~32#1, main_~main____CPAchecker_TMP_0~38#1, main_~__tmp_49~0#1, main_~assert__arg~48#1, main_~check__tmp~58#1, main_~node4__m4~57#1, main_~node3__m3~60#1, main_~node2__m2~34#1, main_~node1____CPAchecker_TMP_0~10#1, main_~node1__m1~33#1, main_~main____CPAchecker_TMP_0~39#1, main_~__tmp_50~0#1, main_~assert__arg~49#1, main_~check__tmp~59#1, main_~node4__m4~58#1, main_~node3__m3~61#1, main_~node2__m2~35#1, main_~node1__m1~31#1, main_~main____CPAchecker_TMP_0~37#1, main_~__tmp_48~0#1, main_~assert__arg~47#1, main_~check__tmp~57#1, main_~node4____CPAchecker_TMP_0~11#1, main_~node4____CPAchecker_TMP_1~11#1, main_~node1____CPAchecker_TMP_0~11#1, main_~node1__m1~35#1, main_~main____CPAchecker_TMP_0~41#1, main_~__tmp_52~0#1, main_~assert__arg~51#1, main_~check__tmp~61#1, main_~node4__m4~59#1, main_~node3__m3~62#1, main_~node2__m2~36#1, main_~node1__m1~34#1, main_~main____CPAchecker_TMP_0~40#1, main_~__tmp_51~0#1, main_~assert__arg~50#1, main_~check__tmp~60#1, main_~node4__m4~56#1, main_~node3__m3~50#1, main_~node2__m2~0#1, main_~node1____CPAchecker_TMP_0~0#1, main_~__tmp_54~0#1, main_~assert__arg~53#1, main_~check__tmp~63#1, main_~node4__m4~61#1, main_~node3__m3~64#1, main_~node2__m2~38#1, main_~node1__m1~36#1, main_~main____CPAchecker_TMP_0~42#1, main_~__tmp_53~0#1, main_~assert__arg~52#1, main_~check__tmp~62#1, main_~node4____CPAchecker_TMP_0~12#1, main_~node4____CPAchecker_TMP_1~12#1, main_~node4__m4~62#1, main_~node3__m3~65#1, main_~node2__m2~39#1, main_~node1__m1~37#1, main_~main____CPAchecker_TMP_0~43#1, main_~__tmp_55~0#1, main_~assert__arg~54#1, main_~check__tmp~64#1, main_~node4__m4~60#1, main_~node1____CPAchecker_TMP_0~12#1, main_~node1__m1~39#1, main_~main____CPAchecker_TMP_0~45#1, main_~__tmp_57~0#1, main_~assert__arg~56#1, main_~check__tmp~66#1, main_~node4__m4~64#1, main_~node3__m3~66#1, main_~node2__m2~40#1, main_~node1__m1~38#1, main_~main____CPAchecker_TMP_0~44#1, main_~__tmp_56~0#1, main_~assert__arg~55#1, main_~check__tmp~65#1, main_~node4____CPAchecker_TMP_0~13#1, main_~node4____CPAchecker_TMP_1~13#1, main_~node1__m1~41#1, main_~main____CPAchecker_TMP_0~47#1, main_~__tmp_59~0#1, main_~assert__arg~58#1, main_~check__tmp~68#1, main_~node4__m4~65#1, main_~node3__m3~67#1, main_~node2__m2~41#1, main_~node1__m1~40#1, main_~main____CPAchecker_TMP_0~46#1, main_~__tmp_58~0#1, main_~assert__arg~57#1, main_~check__tmp~67#1, main_~node4__m4~63#1, main_~node3____CPAchecker_TMP_0~3#1, main_~node3__m3~68#1, main_~node2__m2~42#1, main_~node1__m1~42#1, main_~main____CPAchecker_TMP_0~48#1, main_~__tmp_60~0#1, main_~assert__arg~59#1, main_~check__tmp~69#1, main_~node4____CPAchecker_TMP_0~14#1, main_~node4____CPAchecker_TMP_1~14#1, main_~node3__m3~69#1, main_~node2__m2~43#1, main_~node1__m1~43#1, main_~main____CPAchecker_TMP_0~49#1, main_~__tmp_61~0#1, main_~assert__arg~60#1, main_~check__tmp~70#1, main_~node4__m4~66#1, main_~node3____CPAchecker_TMP_1~3#1, main_~node3__m3~70#1, main_~node2__m2~44#1, main_~node1__m1~44#1, main_~main____CPAchecker_TMP_0~50#1, main_~__tmp_62~0#1, main_~assert__arg~61#1, main_~check__tmp~71#1, main_~node4____CPAchecker_TMP_0~15#1, main_~node4____CPAchecker_TMP_1~15#1, main_~node3__m3~71#1, main_~node2__m2~45#1, main_~node1__m1~45#1, main_~main____CPAchecker_TMP_0~51#1, main_~__tmp_63~0#1, main_~assert__arg~62#1, main_~check__tmp~72#1, main_~node4__m4~67#1, main_~node3__m3~63#1, main_~node1____CPAchecker_TMP_0~13#1, main_~node1__m1~47#1, main_~main____CPAchecker_TMP_0~53#1, main_~__tmp_65~0#1, main_~assert__arg~64#1, main_~check__tmp~74#1, main_~node4__m4~69#1, main_~node3__m3~73#1, main_~node2__m2~46#1, main_~node1__m1~46#1, main_~main____CPAchecker_TMP_0~52#1, main_~__tmp_64~0#1, main_~assert__arg~63#1, main_~check__tmp~73#1, main_~node4____CPAchecker_TMP_0~16#1, main_~node4____CPAchecker_TMP_1~16#1, main_~node4__m4~70#1, main_~node3__m3~74#1, main_~node2__m2~47#1, main_~node1__m1~48#1, main_~main____CPAchecker_TMP_0~54#1, main_~__tmp_66~0#1, main_~assert__arg~65#1, main_~check__tmp~75#1, main_~node4__m4~68#1, main_~node4____CPAchecker_TMP_0~18#1, main_~node4____CPAchecker_TMP_1~17#1, main_~node4__m4~73#1, main_~node3____CPAchecker_TMP_0~5#1, main_~node3____CPAchecker_TMP_1~4#1, main_~node3__m3~76#1, main_~node2____CPAchecker_TMP_0~2#1, main_~node2____CPAchecker_TMP_1~1#1, main_~node2__m2~49#1, main_~node1__m1~50#1, main_~main____CPAchecker_TMP_0~56#1, main_~__tmp_68~0#1, main_~assert__arg~67#1, main_~check__tmp~77#1, main_~node4__m4~72#1, main_~node3__m3~75#1, main_~node2__m2~48#1, main_~node1__m1~49#1, main_~main____CPAchecker_TMP_0~55#1, main_~__tmp_67~0#1, main_~assert__arg~66#1, main_~check__tmp~76#1, main_~node4____CPAchecker_TMP_0~17#1, main_~node4____CPAchecker_TMP_1~18#1, main_~node2____CPAchecker_TMP_0~3#1, main_~node2____CPAchecker_TMP_1~2#1, main_~node2__m2~51#1, main_~node1__m1~52#1, main_~main____CPAchecker_TMP_0~58#1, main_~__tmp_70~0#1, main_~assert__arg~69#1, main_~check__tmp~79#1, main_~node4__m4~74#1, main_~node3__m3~77#1, main_~node2__m2~50#1, main_~node1__m1~51#1, main_~main____CPAchecker_TMP_0~57#1, main_~__tmp_69~0#1, main_~assert__arg~68#1, main_~check__tmp~78#1, main_~node4__m4~71#1, main_~node3____CPAchecker_TMP_0~4#1, main_~node1____CPAchecker_TMP_0~14#1, main_~node1__m1~54#1, main_~main____CPAchecker_TMP_0~60#1, main_~__tmp_72~0#1, main_~assert__arg~71#1, main_~check__tmp~81#1, main_~node4__m4~76#1, main_~node3__m3~78#1, main_~node2__m2~52#1, main_~node1__m1~53#1, main_~main____CPAchecker_TMP_0~59#1, main_~__tmp_71~0#1, main_~assert__arg~70#1, main_~check__tmp~80#1, main_~node4____CPAchecker_TMP_0~19#1, main_~node4____CPAchecker_TMP_1~19#1, main_~node4__m4~77#1, main_~node3__m3~79#1, main_~node2__m2~53#1, main_~node1__m1~55#1, main_~main____CPAchecker_TMP_0~61#1, main_~__tmp_73~0#1, main_~assert__arg~72#1, main_~check__tmp~82#1, main_~node4__m4~75#1, main_~node3____CPAchecker_TMP_1~5#1, main_~node2____CPAchecker_TMP_0~4#1, main_~node2____CPAchecker_TMP_1~3#1, main_~node2__m2~55#1, main_~node1__m1~57#1, main_~main____CPAchecker_TMP_0~63#1, main_~__tmp_75~0#1, main_~assert__arg~74#1, main_~check__tmp~84#1, main_~node4__m4~79#1, main_~node3__m3~80#1, main_~node2__m2~54#1, main_~node1__m1~56#1, main_~main____CPAchecker_TMP_0~62#1, main_~__tmp_74~0#1, main_~assert__arg~73#1, main_~check__tmp~83#1, main_~node4____CPAchecker_TMP_0~20#1, main_~node4____CPAchecker_TMP_1~20#1, main_~node2____CPAchecker_TMP_0~5#1, main_~node2____CPAchecker_TMP_1~4#1, main_~node2__m2~57#1, main_~node1__m1~59#1, main_~main____CPAchecker_TMP_0~65#1, main_~__tmp_77~0#1, main_~assert__arg~76#1, main_~check__tmp~86#1, main_~node4__m4~80#1, main_~node3__m3~81#1, main_~node2__m2~56#1, main_~node1__m1~58#1, main_~main____CPAchecker_TMP_0~64#1, main_~__tmp_76~0#1, main_~assert__arg~75#1, main_~check__tmp~85#1, main_~node4__m4~78#1, main_~node3__m3~72#1, main_~node2____CPAchecker_TMP_0~1#1, main_~node2____CPAchecker_TMP_1~5#1, main_~node1__m1~61#1, main_~main____CPAchecker_TMP_0~67#1, main_~__tmp_79~0#1, main_~assert__arg~78#1, main_~check__tmp~88#1, main_~node4__m4~82#1, main_~node3__m3~83#1, main_~node2__m2~58#1, main_~node1__m1~60#1, main_~main____CPAchecker_TMP_0~66#1, main_~__tmp_78~0#1, main_~assert__arg~77#1, main_~check__tmp~87#1, main_~node4____CPAchecker_TMP_0~21#1, main_~node4____CPAchecker_TMP_1~21#1, main_~node4__m4~83#1, main_~node3__m3~84#1, main_~node2__m2~59#1, main_~node1__m1~62#1, main_~main____CPAchecker_TMP_0~68#1, main_~__tmp_80~0#1, main_~assert__arg~79#1, main_~check__tmp~89#1, main_~node4__m4~81#1, main_~node2____CPAchecker_TMP_1~6#1, main_~node2__m2~61#1, main_~node1__m1~64#1, main_~main____CPAchecker_TMP_0~70#1, main_~__tmp_82~0#1, main_~assert__arg~81#1, main_~check__tmp~91#1, main_~node4__m4~85#1, main_~node3__m3~85#1, main_~node2__m2~60#1, main_~node1__m1~63#1, main_~main____CPAchecker_TMP_0~69#1, main_~__tmp_81~0#1, main_~assert__arg~80#1, main_~check__tmp~90#1, main_~node4____CPAchecker_TMP_0~22#1, main_~node4____CPAchecker_TMP_1~22#1, main_~node2____CPAchecker_TMP_1~7#1, main_~node2__m2~63#1, main_~node1__m1~66#1, main_~main____CPAchecker_TMP_0~72#1, main_~__tmp_84~0#1, main_~assert__arg~83#1, main_~check__tmp~93#1, main_~node4__m4~86#1, main_~node3__m3~86#1, main_~node2__m2~62#1, main_~node1__m1~65#1, main_~main____CPAchecker_TMP_0~71#1, main_~__tmp_83~0#1, main_~assert__arg~82#1, main_~check__tmp~92#1, main_~node4__m4~84#1, main_~node3____CPAchecker_TMP_0~6#1, main_~node1__m1~68#1, main_~main____CPAchecker_TMP_0~74#1, main_~__tmp_86~0#1, main_~assert__arg~85#1, main_~check__tmp~95#1, main_~node4__m4~88#1, main_~node3__m3~87#1, main_~node2__m2~64#1, main_~node1__m1~67#1, main_~main____CPAchecker_TMP_0~73#1, main_~__tmp_85~0#1, main_~assert__arg~84#1, main_~check__tmp~94#1, main_~node4____CPAchecker_TMP_0~23#1, main_~node4____CPAchecker_TMP_1~23#1, main_~node4__m4~89#1, main_~node3__m3~88#1, main_~node2__m2~65#1, main_~node1__m1~69#1, main_~main____CPAchecker_TMP_0~75#1, main_~__tmp_87~0#1, main_~assert__arg~86#1, main_~check__tmp~96#1, main_~node4__m4~87#1, main_~node3____CPAchecker_TMP_1~6#1, main_~node2____CPAchecker_TMP_1~8#1, main_~node2__m2~67#1, main_~node1__m1~71#1, main_~main____CPAchecker_TMP_0~77#1, main_~__tmp_89~0#1, main_~assert__arg~88#1, main_~check__tmp~98#1, main_~node4__m4~91#1, main_~node3__m3~89#1, main_~node2__m2~66#1, main_~node1__m1~70#1, main_~main____CPAchecker_TMP_0~76#1, main_~__tmp_88~0#1, main_~assert__arg~87#1, main_~check__tmp~97#1, main_~node4____CPAchecker_TMP_0~24#1, main_~node4____CPAchecker_TMP_1~24#1, main_~node2____CPAchecker_TMP_1~9#1, main_~node2__m2~69#1, main_~node1__m1~73#1, main_~main____CPAchecker_TMP_0~79#1, main_~__tmp_91~0#1, main_~assert__arg~90#1, main_~check__tmp~100#1, main_~node4__m4~92#1, main_~node3__m3~90#1, main_~node2__m2~68#1, main_~node1__m1~72#1, main_~main____CPAchecker_TMP_0~78#1, main_~__tmp_90~0#1, main_~assert__arg~89#1, main_~check__tmp~99#1, main_~node4__m4~90#1, main_~node3__m3~82#1, main_~node2__m2~37#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;assume -128 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 127;~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; {31111#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:48,337 INFO L290 TraceCheckUtils]: 2: Hoare triple {31111#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~r1~0; {31111#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:48,337 INFO L290 TraceCheckUtils]: 3: Hoare triple {31111#(<= (+ ~nomsg~0 1) 0)} assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; {31111#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:48,338 INFO L290 TraceCheckUtils]: 4: Hoare triple {31111#(<= (+ ~nomsg~0 1) 0)} assume ~id1~0 >= 0; {31111#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:48,338 INFO L290 TraceCheckUtils]: 5: Hoare triple {31111#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~st1~0; {31111#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:48,338 INFO L290 TraceCheckUtils]: 6: Hoare triple {31111#(<= (+ ~nomsg~0 1) 0)} assume ~send1~0 == ~id1~0; {31111#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:48,339 INFO L290 TraceCheckUtils]: 7: Hoare triple {31111#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~mode1~0 % 256; {31111#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:48,339 INFO L290 TraceCheckUtils]: 8: Hoare triple {31111#(<= (+ ~nomsg~0 1) 0)} assume ~id2~0 >= 0; {31111#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:48,339 INFO L290 TraceCheckUtils]: 9: Hoare triple {31111#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~st2~0; {31111#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:48,340 INFO L290 TraceCheckUtils]: 10: Hoare triple {31111#(<= (+ ~nomsg~0 1) 0)} assume ~send2~0 == ~id2~0; {31111#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:48,340 INFO L290 TraceCheckUtils]: 11: Hoare triple {31111#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~mode2~0 % 256; {31111#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:48,340 INFO L290 TraceCheckUtils]: 12: Hoare triple {31111#(<= (+ ~nomsg~0 1) 0)} assume ~id3~0 >= 0; {31111#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:48,341 INFO L290 TraceCheckUtils]: 13: Hoare triple {31111#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~st3~0; {31111#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:48,341 INFO L290 TraceCheckUtils]: 14: Hoare triple {31111#(<= (+ ~nomsg~0 1) 0)} assume ~send3~0 == ~id3~0; {31111#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:48,341 INFO L290 TraceCheckUtils]: 15: Hoare triple {31111#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~mode3~0 % 256; {31111#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:46:48,342 INFO L290 TraceCheckUtils]: 16: Hoare triple {31111#(<= (+ ~nomsg~0 1) 0)} assume ~id4~0 >= 0; {31112#(<= (+ ~nomsg~0 1) ~id4~0)} is VALID [2022-02-20 18:46:48,342 INFO L290 TraceCheckUtils]: 17: Hoare triple {31112#(<= (+ ~nomsg~0 1) ~id4~0)} assume 0 == ~st4~0; {31112#(<= (+ ~nomsg~0 1) ~id4~0)} is VALID [2022-02-20 18:46:48,342 INFO L290 TraceCheckUtils]: 18: Hoare triple {31112#(<= (+ ~nomsg~0 1) ~id4~0)} assume ~send4~0 == ~id4~0; {31113#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:46:48,343 INFO L290 TraceCheckUtils]: 19: Hoare triple {31113#(<= (+ ~nomsg~0 1) ~send4~0)} assume 0 == ~mode4~0 % 256; {31113#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:46:48,343 INFO L290 TraceCheckUtils]: 20: Hoare triple {31113#(<= (+ ~nomsg~0 1) ~send4~0)} assume ~id1~0 != ~id2~0; {31113#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:46:48,343 INFO L290 TraceCheckUtils]: 21: Hoare triple {31113#(<= (+ ~nomsg~0 1) ~send4~0)} assume ~id1~0 != ~id3~0; {31113#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:46:48,344 INFO L290 TraceCheckUtils]: 22: Hoare triple {31113#(<= (+ ~nomsg~0 1) ~send4~0)} assume ~id1~0 != ~id4~0; {31113#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:46:48,344 INFO L290 TraceCheckUtils]: 23: Hoare triple {31113#(<= (+ ~nomsg~0 1) ~send4~0)} assume ~id2~0 != ~id3~0; {31113#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:46:48,344 INFO L290 TraceCheckUtils]: 24: Hoare triple {31113#(<= (+ ~nomsg~0 1) ~send4~0)} assume ~id2~0 != ~id4~0; {31113#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:46:48,344 INFO L290 TraceCheckUtils]: 25: Hoare triple {31113#(<= (+ ~nomsg~0 1) ~send4~0)} assume ~id3~0 != ~id4~0;main_~init__tmp~0#1 := 1;~__return_130~0 := main_~init__tmp~0#1;main_~main__i2~0#1 := ~__return_130~0; {31113#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:46:48,345 INFO L290 TraceCheckUtils]: 26: Hoare triple {31113#(<= (+ ~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; {31113#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:46:48,345 INFO L290 TraceCheckUtils]: 27: Hoare triple {31113#(<= (+ ~nomsg~0 1) ~send4~0)} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~0#1;main_~node1__m1~0#1 := ~nomsg~0; {31113#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:46:48,345 INFO L290 TraceCheckUtils]: 28: Hoare triple {31113#(<= (+ ~nomsg~0 1) ~send4~0)} assume !!(0 == ~mode1~0 % 256); {31113#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:46:48,346 INFO L290 TraceCheckUtils]: 29: Hoare triple {31113#(<= (+ ~nomsg~0 1) ~send4~0)} assume !!(0 == ~alive1~0 % 256);~mode1~0 := 1;havoc main_~node2__m2~37#1;main_~node2__m2~37#1 := ~nomsg~0; {31113#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:46:48,346 INFO L290 TraceCheckUtils]: 30: Hoare triple {31113#(<= (+ ~nomsg~0 1) ~send4~0)} assume !!(0 == ~mode2~0 % 256); {31113#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:46:48,346 INFO L290 TraceCheckUtils]: 31: Hoare triple {31113#(<= (+ ~nomsg~0 1) ~send4~0)} assume !(0 == ~alive2~0 % 256);havoc main_~node2____CPAchecker_TMP_0~1#1; {31113#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:46:48,347 INFO L290 TraceCheckUtils]: 32: Hoare triple {31113#(<= (+ ~nomsg~0 1) ~send4~0)} assume ~send2~0 != ~nomsg~0; {31113#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:46:48,347 INFO L290 TraceCheckUtils]: 33: Hoare triple {31113#(<= (+ ~nomsg~0 1) ~send4~0)} assume ~p2_new~0 == ~nomsg~0;main_~node2____CPAchecker_TMP_0~1#1 := ~send2~0;~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); {31113#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:46:48,353 INFO L290 TraceCheckUtils]: 34: Hoare triple {31113#(<= (+ ~nomsg~0 1) ~send4~0)} ~mode2~0 := 1;havoc main_~node3__m3~63#1;main_~node3__m3~63#1 := ~nomsg~0; {31113#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:46:48,354 INFO L290 TraceCheckUtils]: 35: Hoare triple {31113#(<= (+ ~nomsg~0 1) ~send4~0)} assume !!(0 == ~mode3~0 % 256); {31113#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:46:48,354 INFO L290 TraceCheckUtils]: 36: Hoare triple {31113#(<= (+ ~nomsg~0 1) ~send4~0)} assume !(0 == ~alive3~0 % 256);havoc main_~node3____CPAchecker_TMP_0~3#1; {31113#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:46:48,354 INFO L290 TraceCheckUtils]: 37: Hoare triple {31113#(<= (+ ~nomsg~0 1) ~send4~0)} assume ~send3~0 != ~nomsg~0; {31113#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:46:48,354 INFO L290 TraceCheckUtils]: 38: Hoare triple {31113#(<= (+ ~nomsg~0 1) ~send4~0)} assume ~p3_new~0 == ~nomsg~0;main_~node3____CPAchecker_TMP_0~3#1 := ~send3~0;~p3_new~0 := (if main_~node3____CPAchecker_TMP_0~3#1 % 256 <= 127 then main_~node3____CPAchecker_TMP_0~3#1 % 256 else main_~node3____CPAchecker_TMP_0~3#1 % 256 - 256);~mode3~0 := 1;havoc main_~node4__m4~60#1;main_~node4__m4~60#1 := ~nomsg~0; {31113#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:46:48,355 INFO L290 TraceCheckUtils]: 39: Hoare triple {31113#(<= (+ ~nomsg~0 1) ~send4~0)} assume !!(0 == ~mode4~0 % 256); {31113#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:46:48,355 INFO L290 TraceCheckUtils]: 40: Hoare triple {31113#(<= (+ ~nomsg~0 1) ~send4~0)} assume !(0 == ~alive4~0 % 256);havoc main_~node4____CPAchecker_TMP_0~12#1; {31113#(<= (+ ~nomsg~0 1) ~send4~0)} is VALID [2022-02-20 18:46:48,356 INFO L290 TraceCheckUtils]: 41: Hoare triple {31113#(<= (+ ~nomsg~0 1) ~send4~0)} assume !(~send4~0 != ~nomsg~0);main_~node4____CPAchecker_TMP_0~12#1 := ~p4_new~0; {31110#false} is VALID [2022-02-20 18:46:48,356 INFO L290 TraceCheckUtils]: 42: Hoare triple {31110#false} ~p4_new~0 := (if main_~node4____CPAchecker_TMP_0~12#1 % 256 <= 127 then main_~node4____CPAchecker_TMP_0~12#1 % 256 else main_~node4____CPAchecker_TMP_0~12#1 % 256 - 256); {31110#false} is VALID [2022-02-20 18:46:48,357 INFO L290 TraceCheckUtils]: 43: Hoare triple {31110#false} ~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~62#1; {31110#false} is VALID [2022-02-20 18:46:48,358 INFO L290 TraceCheckUtils]: 44: Hoare triple {31110#false} assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; {31110#false} is VALID [2022-02-20 18:46:48,358 INFO L290 TraceCheckUtils]: 45: Hoare triple {31110#false} assume ~r1~0 < 4;main_~check__tmp~62#1 := 1;~__return_1824~0 := main_~check__tmp~62#1;main_~main__c1~0#1 := ~__return_1824~0;havoc main_~__tmp_53~0#1;main_~__tmp_53~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~52#1;main_~assert__arg~52#1 := main_~__tmp_53~0#1; {31110#false} is VALID [2022-02-20 18:46:48,358 INFO L290 TraceCheckUtils]: 46: Hoare triple {31110#false} assume !(0 == main_~assert__arg~52#1 % 256);main_~main____CPAchecker_TMP_0~42#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1; {31110#false} is VALID [2022-02-20 18:46:48,358 INFO L290 TraceCheckUtils]: 47: Hoare triple {31110#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~36#1;main_~node1__m1~36#1 := ~nomsg~0; {31110#false} is VALID [2022-02-20 18:46:48,359 INFO L290 TraceCheckUtils]: 48: Hoare triple {31110#false} assume !(0 == ~mode1~0 % 256);~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);main_~node1__m1~36#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {31110#false} is VALID [2022-02-20 18:46:48,360 INFO L290 TraceCheckUtils]: 49: Hoare triple {31110#false} assume !(main_~node1__m1~36#1 != ~nomsg~0);~mode1~0 := 0; {31110#false} is VALID [2022-02-20 18:46:48,360 INFO L290 TraceCheckUtils]: 50: Hoare triple {31110#false} havoc main_~node2__m2~38#1;main_~node2__m2~38#1 := ~nomsg~0; {31110#false} is VALID [2022-02-20 18:46:48,360 INFO L290 TraceCheckUtils]: 51: Hoare triple {31110#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~38#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {31110#false} is VALID [2022-02-20 18:46:48,360 INFO L290 TraceCheckUtils]: 52: Hoare triple {31110#false} assume !(main_~node2__m2~38#1 != ~nomsg~0);~mode2~0 := 0;havoc main_~node3__m3~64#1;main_~node3__m3~64#1 := ~nomsg~0; {31110#false} is VALID [2022-02-20 18:46:48,360 INFO L290 TraceCheckUtils]: 53: Hoare triple {31110#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~64#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {31110#false} is VALID [2022-02-20 18:46:48,361 INFO L290 TraceCheckUtils]: 54: Hoare triple {31110#false} assume main_~node3__m3~64#1 != ~nomsg~0; {31110#false} is VALID [2022-02-20 18:46:48,361 INFO L290 TraceCheckUtils]: 55: Hoare triple {31110#false} assume !(0 == ~alive3~0 % 256); {31110#false} is VALID [2022-02-20 18:46:48,361 INFO L290 TraceCheckUtils]: 56: Hoare triple {31110#false} assume !(main_~node3__m3~64#1 > ~id3~0); {31110#false} is VALID [2022-02-20 18:46:48,361 INFO L290 TraceCheckUtils]: 57: Hoare triple {31110#false} assume main_~node3__m3~64#1 == ~id3~0;~st3~0 := 1;~mode3~0 := 0;havoc main_~node4__m4~61#1;main_~node4__m4~61#1 := ~nomsg~0; {31110#false} is VALID [2022-02-20 18:46:48,362 INFO L290 TraceCheckUtils]: 58: Hoare triple {31110#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~61#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {31110#false} is VALID [2022-02-20 18:46:48,362 INFO L290 TraceCheckUtils]: 59: Hoare triple {31110#false} assume main_~node4__m4~61#1 != ~nomsg~0; {31110#false} is VALID [2022-02-20 18:46:48,363 INFO L290 TraceCheckUtils]: 60: Hoare triple {31110#false} assume !(0 == ~alive4~0 % 256); {31110#false} is VALID [2022-02-20 18:46:48,363 INFO L290 TraceCheckUtils]: 61: Hoare triple {31110#false} assume !(main_~node4__m4~61#1 > ~id4~0); {31110#false} is VALID [2022-02-20 18:46:48,364 INFO L290 TraceCheckUtils]: 62: Hoare triple {31110#false} assume main_~node4__m4~61#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~63#1; {31110#false} is VALID [2022-02-20 18:46:48,364 INFO L290 TraceCheckUtils]: 63: Hoare triple {31110#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~63#1 := 0;~__return_3575~0 := main_~check__tmp~63#1;main_~main__c1~0#1 := ~__return_3575~0;havoc main_~__tmp_54~0#1;main_~__tmp_54~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~53#1;main_~assert__arg~53#1 := main_~__tmp_54~0#1; {31110#false} is VALID [2022-02-20 18:46:48,364 INFO L290 TraceCheckUtils]: 64: Hoare triple {31110#false} assume 0 == main_~assert__arg~53#1 % 256; {31110#false} is VALID [2022-02-20 18:46:48,364 INFO L290 TraceCheckUtils]: 65: Hoare triple {31110#false} assume !false; {31110#false} is VALID [2022-02-20 18:46:48,365 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 18:46:48,365 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:46:48,366 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817072898] [2022-02-20 18:46:48,366 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817072898] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:46:48,367 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:46:48,368 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 18:46:48,368 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24037946] [2022-02-20 18:46:48,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:46:48,369 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 66 [2022-02-20 18:46:48,369 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:46:48,369 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 18:46:48,412 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 66 edges. 66 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:46:48,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:46:48,413 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:46:48,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:46:48,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:46:48,413 INFO L87 Difference]: Start difference. First operand 2927 states and 3824 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 18:46:55,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:46:55,981 INFO L93 Difference]: Finished difference Result 6089 states and 7980 transitions. [2022-02-20 18:46:55,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:46:55,982 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 66 [2022-02-20 18:46:55,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:46:55,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 18:46:55,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4019 transitions. [2022-02-20 18:46:55,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 18:46:56,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4019 transitions. [2022-02-20 18:46:56,010 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 4019 transitions. [2022-02-20 18:46:58,430 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 4019 edges. 4019 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:46:59,077 INFO L225 Difference]: With dead ends: 6089 [2022-02-20 18:46:59,077 INFO L226 Difference]: Without dead ends: 3983 [2022-02-20 18:46:59,079 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 18:46:59,080 INFO L933 BasicCegarLoop]: 1039 mSDtfsCounter, 7305 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 1326 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7305 SdHoareTripleChecker+Valid, 1415 SdHoareTripleChecker+Invalid, 1433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 1326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-20 18:46:59,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7305 Valid, 1415 Invalid, 1433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 1326 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-20 18:46:59,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3983 states. [2022-02-20 18:47:02,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3983 to 3967. [2022-02-20 18:47:02,003 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:47:02,008 INFO L82 GeneralOperation]: Start isEquivalent. First operand 3983 states. Second operand has 3967 states, 3960 states have (on average 1.2924242424242425) internal successors, (5118), 3966 states have internal predecessors, (5118), 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 18:47:02,010 INFO L74 IsIncluded]: Start isIncluded. First operand 3983 states. Second operand has 3967 states, 3960 states have (on average 1.2924242424242425) internal successors, (5118), 3966 states have internal predecessors, (5118), 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 18:47:02,013 INFO L87 Difference]: Start difference. First operand 3983 states. Second operand has 3967 states, 3960 states have (on average 1.2924242424242425) internal successors, (5118), 3966 states have internal predecessors, (5118), 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 18:47:02,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:47:02,433 INFO L93 Difference]: Finished difference Result 3983 states and 5130 transitions. [2022-02-20 18:47:02,434 INFO L276 IsEmpty]: Start isEmpty. Operand 3983 states and 5130 transitions. [2022-02-20 18:47:02,437 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:47:02,437 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:47:02,442 INFO L74 IsIncluded]: Start isIncluded. First operand has 3967 states, 3960 states have (on average 1.2924242424242425) internal successors, (5118), 3966 states have internal predecessors, (5118), 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 3983 states. [2022-02-20 18:47:02,445 INFO L87 Difference]: Start difference. First operand has 3967 states, 3960 states have (on average 1.2924242424242425) internal successors, (5118), 3966 states have internal predecessors, (5118), 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 3983 states. [2022-02-20 18:47:02,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:47:02,879 INFO L93 Difference]: Finished difference Result 3983 states and 5130 transitions. [2022-02-20 18:47:02,879 INFO L276 IsEmpty]: Start isEmpty. Operand 3983 states and 5130 transitions. [2022-02-20 18:47:02,882 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:47:02,882 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:47:02,882 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:47:02,883 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:47:02,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3967 states, 3960 states have (on average 1.2924242424242425) internal successors, (5118), 3966 states have internal predecessors, (5118), 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 18:47:03,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3967 states to 3967 states and 5118 transitions. [2022-02-20 18:47:03,474 INFO L78 Accepts]: Start accepts. Automaton has 3967 states and 5118 transitions. Word has length 66 [2022-02-20 18:47:03,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:47:03,474 INFO L470 AbstractCegarLoop]: Abstraction has 3967 states and 5118 transitions. [2022-02-20 18:47:03,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 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 18:47:03,474 INFO L276 IsEmpty]: Start isEmpty. Operand 3967 states and 5118 transitions. [2022-02-20 18:47:03,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-02-20 18:47:03,477 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:47:03,477 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:47:03,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 18:47:03,477 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-02-20 18:47:03,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:47:03,478 INFO L85 PathProgramCache]: Analyzing trace with hash -247743443, now seen corresponding path program 1 times [2022-02-20 18:47:03,478 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:47:03,478 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664419582] [2022-02-20 18:47:03,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:47:03,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:47:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:47:03,718 INFO L290 TraceCheckUtils]: 0: Hoare triple {52199#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(65, 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_130~0 := 0;~__return_2064~0 := 0;~__tmp_7506_0~0 := 0;~__return_7565~0 := 0;~__return_7545~0 := 0;~__return_2074~0 := 0;~__return_2044~0 := 0;~__tmp_6806_0~0 := 0;~__return_6883~0 := 0;~__tmp_6794_0~0 := 0;~__return_6863~0 := 0;~__tmp_6782_0~0 := 0;~__return_6855~0 := 0;~__tmp_6770_0~0 := 0;~__return_6847~0 := 0;~__return_2054~0 := 0;~__tmp_7042_0~0 := 0;~__return_7075~0 := 0;~__tmp_7030_0~0 := 0;~__return_7067~0 := 0;~__return_2104~0 := 0;~__return_2114~0 := 0;~__return_2084~0 := 0;~__return_2094~0 := 0;~__return_1984~0 := 0;~__tmp_5151_0~0 := 0;~__return_5380~0 := 0;~__tmp_5139_0~0 := 0;~__return_5360~0 := 0;~__tmp_5127_0~0 := 0;~__return_5352~0 := 0;~__tmp_5353_0~0 := 0;~__tmp_5115_0~0 := 0;~__return_5344~0 := 0;~__return_1994~0 := 0;~__tmp_5471_0~0 := 0;~__tmp_5459_0~0 := 0;~__return_1964~0 := 0;~__tmp_4686_0~0 := 0;~__tmp_4734_0~0 := 0;~__return_4803~0 := 0;~__tmp_4674_0~0 := 0;~__tmp_4722_0~0 := 0;~__return_4795~0 := 0;~__tmp_4662_0~0 := 0;~__tmp_4710_0~0 := 0;~__return_4785~0 := 0;~__tmp_4814_0~0 := 0;~__tmp_10046_0~0 := 0;~__tmp_10047_0~0 := 0;~__return_10049~0 := 0;~__tmp_4650_0~0 := 0;~__tmp_4698_0~0 := 0;~__return_4775~0 := 0;~__return_1974~0 := 0;~__tmp_4910_0~0 := 0;~__tmp_4934_0~0 := 0;~__return_4969~0 := 0;~__tmp_4898_0~0 := 0;~__tmp_4922_0~0 := 0;~__return_4959~0 := 0;~__return_2024~0 := 0;~__tmp_6139_0~0 := 0;~__return_6368~0 := 0;~__tmp_6127_0~0 := 0;~__return_6348~0 := 0;~__tmp_6115_0~0 := 0;~__return_6340~0 := 0;~__tmp_6103_0~0 := 0;~__return_6332~0 := 0;~__return_2034~0 := 0;~__tmp_6451_0~0 := 0;~__tmp_6439_0~0 := 0;~__return_2004~0 := 0;~__tmp_5674_0~0 := 0;~__tmp_5722_0~0 := 0;~__return_5791~0 := 0;~__tmp_5662_0~0 := 0;~__tmp_5710_0~0 := 0;~__return_5783~0 := 0;~__tmp_5650_0~0 := 0;~__tmp_5698_0~0 := 0;~__return_5773~0 := 0;~__tmp_5638_0~0 := 0;~__tmp_5686_0~0 := 0;~__return_5763~0 := 0;~__return_2014~0 := 0;~__tmp_5898_0~0 := 0;~__tmp_5922_0~0 := 0;~__return_5957~0 := 0;~__tmp_5886_0~0 := 0;~__tmp_5910_0~0 := 0;~__return_5947~0 := 0;~__return_2144~0 := 0;~__return_8776~0 := 0;~__return_8768~0 := 0;~__return_2154~0 := 0;~__return_2124~0 := 0;~__tmp_8428_0~0 := 0;~__return_8463~0 := 0;~__tmp_8416_0~0 := 0;~__return_8453~0 := 0;~__return_2134~0 := 0;~__tmp_8538_0~0 := 0;~__return_8555~0 := 0;~__return_2184~0 := 0;~__return_9330~0 := 0;~__return_9322~0 := 0;~__return_2194~0 := 0;~__return_2164~0 := 0;~__tmp_8982_0~0 := 0;~__return_9017~0 := 0;~__tmp_8970_0~0 := 0;~__return_9007~0 := 0;~__return_2174~0 := 0;~__tmp_9092_0~0 := 0;~__return_9109~0 := 0;~__return_1824~0 := 0;~__return_3575~0 := 0;~__return_1834~0 := 0;~__return_1804~0 := 0;~__tmp_3321_0~0 := 0;~__return_3338~0 := 0;~__return_1814~0 := 0;~__tmp_3424_0~0 := 0;~__return_3441~0 := 0;~__return_1864~0 := 0;~__return_1874~0 := 0;~__return_1844~0 := 0;~__return_1854~0 := 0;~__return_1744~0 := 0;~__tmp_2786_0~0 := 0;~__return_2841~0 := 0;~__return_1754~0 := 0;~__tmp_2889_0~0 := 0;~__return_1724~0 := 0;~__tmp_2625_0~0 := 0;~__tmp_2637_0~0 := 0;~__return_2654~0 := 0;~__tmp_9421_0~0 := 0;~__tmp_9474_0~0 := 0;~__return_1734~0 := 0;~__tmp_2702_0~0 := 0;~__tmp_2714_0~0 := 0;~__return_2731~0 := 0;~__return_1784~0 := 0;~__tmp_3115_0~0 := 0;~__return_3170~0 := 0;~__return_1794~0 := 0;~__tmp_3218_0~0 := 0;~__return_1764~0 := 0;~__tmp_2954_0~0 := 0;~__tmp_2966_0~0 := 0;~__return_2983~0 := 0;~__return_1774~0 := 0;~__tmp_3031_0~0 := 0;~__tmp_3043_0~0 := 0;~__return_3060~0 := 0;~__tmp_9724_0~0 := 0;~__return_1904~0 := 0;~__return_4125~0 := 0;~__return_1914~0 := 0;~__return_1884~0 := 0;~__tmp_3921_0~0 := 0;~__return_3938~0 := 0;~__return_1894~0 := 0;~__tmp_3998_0~0 := 0;~__return_4015~0 := 0;~__tmp_9902_0~0 := 0;~__return_1944~0 := 0;~__return_4454~0 := 0;~__return_1954~0 := 0;~__return_1924~0 := 0;~__tmp_4250_0~0 := 0;~__return_4267~0 := 0;~__tmp_9949_0~0 := 0;~__return_1934~0 := 0;~__tmp_4327_0~0 := 0;~__return_4344~0 := 0;~__tmp_9984_0~0 := 0; {52201#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:47:03,719 INFO L290 TraceCheckUtils]: 1: Hoare triple {52201#(<= (+ ~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_~node4__m4~1#1, main_~node3__m3~1#1, main_~node4__m4~2#1, main_~node3__m3~2#1, main_~node2__m2~1#1, main_~check__tmp~1#1, main_~node4__m4~3#1, main_~node3__m3~3#1, main_~check__tmp~2#1, main_~node4__m4~4#1, main_~node3__m3~4#1, main_~node2__m2~2#1, main_~node1__m1~1#1, main_~main____CPAchecker_TMP_0~0#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~node4____CPAchecker_TMP_0~0#1, main_~node4____CPAchecker_TMP_1~0#1, main_~node4__m4~5#1, main_~node3__m3~5#1, main_~node4__m4~6#1, main_~node3__m3~6#1, main_~node2__m2~3#1, main_~node1__m1~2#1, main_~main____CPAchecker_TMP_0~1#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~3#1, main_~node4__m4~0#1, main_~check__tmp~5#1, main_~node4__m4~8#1, main_~node3__m3~7#1, main_~check__tmp~6#1, main_~node4__m4~9#1, main_~node3__m3~8#1, main_~node2__m2~4#1, main_~check__tmp~7#1, main_~node4__m4~10#1, main_~node3__m3~9#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~8#1, main_~node4__m4~11#1, main_~node3__m3~10#1, main_~node2__m2~5#1, main_~node1__m1~3#1, main_~main____CPAchecker_TMP_0~2#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~4#1, main_~node4____CPAchecker_TMP_0~1#1, main_~node4____CPAchecker_TMP_1~1#1, main_~__tmp_6~0#1, main_~assert__arg~5#1, main_~check__tmp~10#1, main_~node4__m4~12#1, main_~node3__m3~11#1, main_~main____CPAchecker_TMP_0~4#1, main_~__tmp_7~0#1, main_~assert__arg~6#1, main_~check__tmp~11#1, main_~node4__m4~13#1, main_~node3__m3~12#1, 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main_~assert__arg~9#1, main_~check__tmp~14#1, main_~node4____CPAchecker_TMP_0~3#1, main_~node4____CPAchecker_TMP_1~3#1, main_~node3__m3~23#1, main_~node3__m3~24#1, main_~node2__m2~12#1, main_~node1__m1~8#1, main_~main____CPAchecker_TMP_0~8#1, main_~__tmp_11~0#1, main_~assert__arg~10#1, main_~check__tmp~15#1, main_~node4__m4~15#1, main_~node3__m3~0#1, main_~check__tmp~17#1, main_~node4__m4~17#1, main_~node3__m3~26#1, main_~check__tmp~18#1, main_~node4__m4~18#1, main_~node3__m3~27#1, main_~node2__m2~13#1, main_~__tmp_13~0#1, main_~assert__arg~12#1, main_~check__tmp~19#1, main_~node4__m4~19#1, main_~node3__m3~28#1, main_~__tmp_14~0#1, main_~assert__arg~13#1, main_~check__tmp~20#1, main_~node4__m4~20#1, main_~node3__m3~29#1, main_~node2__m2~14#1, main_~node1__m1~9#1, main_~main____CPAchecker_TMP_0~9#1, main_~__tmp_12~0#1, main_~assert__arg~11#1, main_~check__tmp~16#1, main_~node4____CPAchecker_TMP_0~4#1, main_~node4____CPAchecker_TMP_1~4#1, main_~node4__m4~21#1, main_~node3__m3~30#1, 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main_~node4____CPAchecker_TMP_1~20#1, main_~node2____CPAchecker_TMP_0~5#1, main_~node2____CPAchecker_TMP_1~4#1, main_~node2__m2~57#1, main_~node1__m1~59#1, main_~main____CPAchecker_TMP_0~65#1, main_~__tmp_77~0#1, main_~assert__arg~76#1, main_~check__tmp~86#1, main_~node4__m4~80#1, main_~node3__m3~81#1, main_~node2__m2~56#1, main_~node1__m1~58#1, main_~main____CPAchecker_TMP_0~64#1, main_~__tmp_76~0#1, main_~assert__arg~75#1, main_~check__tmp~85#1, main_~node4__m4~78#1, main_~node3__m3~72#1, main_~node2____CPAchecker_TMP_0~1#1, main_~node2____CPAchecker_TMP_1~5#1, main_~node1__m1~61#1, main_~main____CPAchecker_TMP_0~67#1, main_~__tmp_79~0#1, main_~assert__arg~78#1, main_~check__tmp~88#1, main_~node4__m4~82#1, main_~node3__m3~83#1, main_~node2__m2~58#1, main_~node1__m1~60#1, main_~main____CPAchecker_TMP_0~66#1, main_~__tmp_78~0#1, main_~assert__arg~77#1, main_~check__tmp~87#1, main_~node4____CPAchecker_TMP_0~21#1, main_~node4____CPAchecker_TMP_1~21#1, main_~node4__m4~83#1, main_~node3__m3~84#1, main_~node2__m2~59#1, main_~node1__m1~62#1, main_~main____CPAchecker_TMP_0~68#1, main_~__tmp_80~0#1, main_~assert__arg~79#1, main_~check__tmp~89#1, main_~node4__m4~81#1, main_~node2____CPAchecker_TMP_1~6#1, main_~node2__m2~61#1, main_~node1__m1~64#1, main_~main____CPAchecker_TMP_0~70#1, main_~__tmp_82~0#1, main_~assert__arg~81#1, main_~check__tmp~91#1, main_~node4__m4~85#1, main_~node3__m3~85#1, main_~node2__m2~60#1, main_~node1__m1~63#1, main_~main____CPAchecker_TMP_0~69#1, main_~__tmp_81~0#1, main_~assert__arg~80#1, main_~check__tmp~90#1, main_~node4____CPAchecker_TMP_0~22#1, main_~node4____CPAchecker_TMP_1~22#1, main_~node2____CPAchecker_TMP_1~7#1, main_~node2__m2~63#1, main_~node1__m1~66#1, main_~main____CPAchecker_TMP_0~72#1, main_~__tmp_84~0#1, main_~assert__arg~83#1, main_~check__tmp~93#1, main_~node4__m4~86#1, main_~node3__m3~86#1, main_~node2__m2~62#1, main_~node1__m1~65#1, main_~main____CPAchecker_TMP_0~71#1, main_~__tmp_83~0#1, main_~assert__arg~82#1, main_~check__tmp~92#1, main_~node4__m4~84#1, main_~node3____CPAchecker_TMP_0~6#1, main_~node1__m1~68#1, main_~main____CPAchecker_TMP_0~74#1, main_~__tmp_86~0#1, main_~assert__arg~85#1, main_~check__tmp~95#1, main_~node4__m4~88#1, main_~node3__m3~87#1, main_~node2__m2~64#1, main_~node1__m1~67#1, main_~main____CPAchecker_TMP_0~73#1, main_~__tmp_85~0#1, main_~assert__arg~84#1, main_~check__tmp~94#1, main_~node4____CPAchecker_TMP_0~23#1, main_~node4____CPAchecker_TMP_1~23#1, main_~node4__m4~89#1, main_~node3__m3~88#1, main_~node2__m2~65#1, main_~node1__m1~69#1, main_~main____CPAchecker_TMP_0~75#1, main_~__tmp_87~0#1, main_~assert__arg~86#1, main_~check__tmp~96#1, main_~node4__m4~87#1, main_~node3____CPAchecker_TMP_1~6#1, main_~node2____CPAchecker_TMP_1~8#1, main_~node2__m2~67#1, main_~node1__m1~71#1, main_~main____CPAchecker_TMP_0~77#1, main_~__tmp_89~0#1, main_~assert__arg~88#1, main_~check__tmp~98#1, main_~node4__m4~91#1, main_~node3__m3~89#1, main_~node2__m2~66#1, main_~node1__m1~70#1, main_~main____CPAchecker_TMP_0~76#1, main_~__tmp_88~0#1, main_~assert__arg~87#1, main_~check__tmp~97#1, main_~node4____CPAchecker_TMP_0~24#1, main_~node4____CPAchecker_TMP_1~24#1, main_~node2____CPAchecker_TMP_1~9#1, main_~node2__m2~69#1, main_~node1__m1~73#1, main_~main____CPAchecker_TMP_0~79#1, main_~__tmp_91~0#1, main_~assert__arg~90#1, main_~check__tmp~100#1, main_~node4__m4~92#1, main_~node3__m3~90#1, main_~node2__m2~68#1, main_~node1__m1~72#1, main_~main____CPAchecker_TMP_0~78#1, main_~__tmp_90~0#1, main_~assert__arg~89#1, main_~check__tmp~99#1, main_~node4__m4~90#1, main_~node3__m3~82#1, main_~node2__m2~37#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;assume -128 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 127;~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; {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,720 INFO L290 TraceCheckUtils]: 2: Hoare triple {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} assume 0 == ~r1~0; {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,720 INFO L290 TraceCheckUtils]: 3: Hoare triple {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,720 INFO L290 TraceCheckUtils]: 4: Hoare triple {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} assume ~id1~0 >= 0; {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,724 INFO L290 TraceCheckUtils]: 5: Hoare triple {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} assume 0 == ~st1~0; {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,725 INFO L290 TraceCheckUtils]: 6: Hoare triple {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} assume ~send1~0 == ~id1~0; {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,725 INFO L290 TraceCheckUtils]: 7: Hoare triple {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} assume 0 == ~mode1~0 % 256; {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,725 INFO L290 TraceCheckUtils]: 8: Hoare triple {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} assume ~id2~0 >= 0; {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,726 INFO L290 TraceCheckUtils]: 9: Hoare triple {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} assume 0 == ~st2~0; {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,726 INFO L290 TraceCheckUtils]: 10: Hoare triple {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} assume ~send2~0 == ~id2~0; {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,727 INFO L290 TraceCheckUtils]: 11: Hoare triple {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} assume 0 == ~mode2~0 % 256; {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,727 INFO L290 TraceCheckUtils]: 12: Hoare triple {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} assume ~id3~0 >= 0; {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,727 INFO L290 TraceCheckUtils]: 13: Hoare triple {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} assume 0 == ~st3~0; {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,728 INFO L290 TraceCheckUtils]: 14: Hoare triple {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} assume ~send3~0 == ~id3~0; {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,728 INFO L290 TraceCheckUtils]: 15: Hoare triple {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} assume 0 == ~mode3~0 % 256; {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,728 INFO L290 TraceCheckUtils]: 16: Hoare triple {52202#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0))} assume ~id4~0 >= 0; {52203#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0) (<= 0 ~id4~0))} is VALID [2022-02-20 18:47:03,729 INFO L290 TraceCheckUtils]: 17: Hoare triple {52203#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0) (<= 0 ~id4~0))} assume 0 == ~st4~0; {52203#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0) (<= 0 ~id4~0))} is VALID [2022-02-20 18:47:03,729 INFO L290 TraceCheckUtils]: 18: Hoare triple {52203#(and (<= ~id4~0 127) (<= (+ ~nomsg~0 1) 0) (<= 0 ~id4~0))} assume ~send4~0 == ~id4~0; {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,730 INFO L290 TraceCheckUtils]: 19: Hoare triple {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} assume 0 == ~mode4~0 % 256; {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,730 INFO L290 TraceCheckUtils]: 20: Hoare triple {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} assume ~id1~0 != ~id2~0; {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,730 INFO L290 TraceCheckUtils]: 21: Hoare triple {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} assume ~id1~0 != ~id3~0; {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,731 INFO L290 TraceCheckUtils]: 22: Hoare triple {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} assume ~id1~0 != ~id4~0; {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,731 INFO L290 TraceCheckUtils]: 23: Hoare triple {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} assume ~id2~0 != ~id3~0; {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,732 INFO L290 TraceCheckUtils]: 24: Hoare triple {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} assume ~id2~0 != ~id4~0; {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,732 INFO L290 TraceCheckUtils]: 25: Hoare triple {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} assume ~id3~0 != ~id4~0;main_~init__tmp~0#1 := 1;~__return_130~0 := main_~init__tmp~0#1;main_~main__i2~0#1 := ~__return_130~0; {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,733 INFO L290 TraceCheckUtils]: 26: Hoare triple {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 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; {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,733 INFO L290 TraceCheckUtils]: 27: Hoare triple {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~0#1;main_~node1__m1~0#1 := ~nomsg~0; {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,734 INFO L290 TraceCheckUtils]: 28: Hoare triple {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} assume !!(0 == ~mode1~0 % 256); {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,734 INFO L290 TraceCheckUtils]: 29: Hoare triple {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} assume !!(0 == ~alive1~0 % 256);~mode1~0 := 1;havoc main_~node2__m2~37#1;main_~node2__m2~37#1 := ~nomsg~0; {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,734 INFO L290 TraceCheckUtils]: 30: Hoare triple {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} assume !!(0 == ~mode2~0 % 256); {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,735 INFO L290 TraceCheckUtils]: 31: Hoare triple {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} assume !(0 == ~alive2~0 % 256);havoc main_~node2____CPAchecker_TMP_0~1#1; {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,735 INFO L290 TraceCheckUtils]: 32: Hoare triple {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} assume ~send2~0 != ~nomsg~0; {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,736 INFO L290 TraceCheckUtils]: 33: Hoare triple {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} assume ~p2_new~0 == ~nomsg~0;main_~node2____CPAchecker_TMP_0~1#1 := ~send2~0;~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); {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,736 INFO L290 TraceCheckUtils]: 34: Hoare triple {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} ~mode2~0 := 1;havoc main_~node3__m3~63#1;main_~node3__m3~63#1 := ~nomsg~0; {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,736 INFO L290 TraceCheckUtils]: 35: Hoare triple {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} assume !!(0 == ~mode3~0 % 256); {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,737 INFO L290 TraceCheckUtils]: 36: Hoare triple {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} assume !(0 == ~alive3~0 % 256);havoc main_~node3____CPAchecker_TMP_0~3#1; {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,737 INFO L290 TraceCheckUtils]: 37: Hoare triple {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} assume ~send3~0 != ~nomsg~0; {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,739 INFO L290 TraceCheckUtils]: 38: Hoare triple {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} assume ~p3_new~0 == ~nomsg~0;main_~node3____CPAchecker_TMP_0~3#1 := ~send3~0;~p3_new~0 := (if main_~node3____CPAchecker_TMP_0~3#1 % 256 <= 127 then main_~node3____CPAchecker_TMP_0~3#1 % 256 else main_~node3____CPAchecker_TMP_0~3#1 % 256 - 256);~mode3~0 := 1;havoc main_~node4__m4~60#1;main_~node4__m4~60#1 := ~nomsg~0; {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,743 INFO L290 TraceCheckUtils]: 39: Hoare triple {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} assume !!(0 == ~mode4~0 % 256); {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,744 INFO L290 TraceCheckUtils]: 40: Hoare triple {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} assume !(0 == ~alive4~0 % 256);havoc main_~node4____CPAchecker_TMP_0~12#1; {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,746 INFO L290 TraceCheckUtils]: 41: Hoare triple {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} assume ~send4~0 != ~nomsg~0; {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} is VALID [2022-02-20 18:47:03,747 INFO L290 TraceCheckUtils]: 42: Hoare triple {52204#(and (<= 0 ~send4~0) (<= ~send4~0 127) (<= (+ ~nomsg~0 1) 0))} assume ~p4_new~0 == ~nomsg~0;main_~node4____CPAchecker_TMP_0~12#1 := ~send4~0; {52205#(and (not (= (+ ~nomsg~0 (* (div |ULTIMATE.start_main_~node4____CPAchecker_TMP_0~12#1| 256) 256)) |ULTIMATE.start_main_~node4____CPAchecker_TMP_0~12#1|)) (<= |ULTIMATE.start_main_~node4____CPAchecker_TMP_0~12#1| 127) (< 0 (+ (div |ULTIMATE.start_main_~node4____CPAchecker_TMP_0~12#1| 256) 1)))} is VALID [2022-02-20 18:47:03,751 INFO L290 TraceCheckUtils]: 43: Hoare triple {52205#(and (not (= (+ ~nomsg~0 (* (div |ULTIMATE.start_main_~node4____CPAchecker_TMP_0~12#1| 256) 256)) |ULTIMATE.start_main_~node4____CPAchecker_TMP_0~12#1|)) (<= |ULTIMATE.start_main_~node4____CPAchecker_TMP_0~12#1| 127) (< 0 (+ (div |ULTIMATE.start_main_~node4____CPAchecker_TMP_0~12#1| 256) 1)))} ~p4_new~0 := (if main_~node4____CPAchecker_TMP_0~12#1 % 256 <= 127 then main_~node4____CPAchecker_TMP_0~12#1 % 256 else main_~node4____CPAchecker_TMP_0~12#1 % 256 - 256); {52206#(not (= ~nomsg~0 ~p4_new~0))} is VALID [2022-02-20 18:47:03,752 INFO L290 TraceCheckUtils]: 44: Hoare triple {52206#(not (= ~nomsg~0 ~p4_new~0))} ~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~62#1; {52207#(not (= ~nomsg~0 ~p4_old~0))} is VALID [2022-02-20 18:47:03,753 INFO L290 TraceCheckUtils]: 45: Hoare triple {52207#(not (= ~nomsg~0 ~p4_old~0))} assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; {52207#(not (= ~nomsg~0 ~p4_old~0))} is VALID [2022-02-20 18:47:03,754 INFO L290 TraceCheckUtils]: 46: Hoare triple {52207#(not (= ~nomsg~0 ~p4_old~0))} assume ~r1~0 < 4;main_~check__tmp~62#1 := 1;~__return_1824~0 := main_~check__tmp~62#1;main_~main__c1~0#1 := ~__return_1824~0;havoc main_~__tmp_53~0#1;main_~__tmp_53~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~52#1;main_~assert__arg~52#1 := main_~__tmp_53~0#1; {52207#(not (= ~nomsg~0 ~p4_old~0))} is VALID [2022-02-20 18:47:03,755 INFO L290 TraceCheckUtils]: 47: Hoare triple {52207#(not (= ~nomsg~0 ~p4_old~0))} assume !(0 == main_~assert__arg~52#1 % 256);main_~main____CPAchecker_TMP_0~42#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1; {52207#(not (= ~nomsg~0 ~p4_old~0))} is VALID [2022-02-20 18:47:03,755 INFO L290 TraceCheckUtils]: 48: Hoare triple {52207#(not (= ~nomsg~0 ~p4_old~0))} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~36#1;main_~node1__m1~36#1 := ~nomsg~0; {52207#(not (= ~nomsg~0 ~p4_old~0))} is VALID [2022-02-20 18:47:03,755 INFO L290 TraceCheckUtils]: 49: Hoare triple {52207#(not (= ~nomsg~0 ~p4_old~0))} assume !(0 == ~mode1~0 % 256);~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);main_~node1__m1~36#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {52208#(not (= ~nomsg~0 |ULTIMATE.start_main_~node1__m1~36#1|))} is VALID [2022-02-20 18:47:03,756 INFO L290 TraceCheckUtils]: 50: Hoare triple {52208#(not (= ~nomsg~0 |ULTIMATE.start_main_~node1__m1~36#1|))} assume !(main_~node1__m1~36#1 != ~nomsg~0);~mode1~0 := 0; {52200#false} is VALID [2022-02-20 18:47:03,757 INFO L290 TraceCheckUtils]: 51: Hoare triple {52200#false} havoc main_~node2__m2~38#1;main_~node2__m2~38#1 := ~nomsg~0; {52200#false} is VALID [2022-02-20 18:47:03,757 INFO L290 TraceCheckUtils]: 52: Hoare triple {52200#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~38#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {52200#false} is VALID [2022-02-20 18:47:03,757 INFO L290 TraceCheckUtils]: 53: Hoare triple {52200#false} assume !(main_~node2__m2~38#1 != ~nomsg~0);~mode2~0 := 0;havoc main_~node3__m3~64#1;main_~node3__m3~64#1 := ~nomsg~0; {52200#false} is VALID [2022-02-20 18:47:03,757 INFO L290 TraceCheckUtils]: 54: Hoare triple {52200#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~64#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {52200#false} is VALID [2022-02-20 18:47:03,757 INFO L290 TraceCheckUtils]: 55: Hoare triple {52200#false} assume main_~node3__m3~64#1 != ~nomsg~0; {52200#false} is VALID [2022-02-20 18:47:03,757 INFO L290 TraceCheckUtils]: 56: Hoare triple {52200#false} assume !(0 == ~alive3~0 % 256); {52200#false} is VALID [2022-02-20 18:47:03,758 INFO L290 TraceCheckUtils]: 57: Hoare triple {52200#false} assume !(main_~node3__m3~64#1 > ~id3~0); {52200#false} is VALID [2022-02-20 18:47:03,758 INFO L290 TraceCheckUtils]: 58: Hoare triple {52200#false} assume main_~node3__m3~64#1 == ~id3~0;~st3~0 := 1;~mode3~0 := 0;havoc main_~node4__m4~61#1;main_~node4__m4~61#1 := ~nomsg~0; {52200#false} is VALID [2022-02-20 18:47:03,760 INFO L290 TraceCheckUtils]: 59: Hoare triple {52200#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~61#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {52200#false} is VALID [2022-02-20 18:47:03,760 INFO L290 TraceCheckUtils]: 60: Hoare triple {52200#false} assume main_~node4__m4~61#1 != ~nomsg~0; {52200#false} is VALID [2022-02-20 18:47:03,760 INFO L290 TraceCheckUtils]: 61: Hoare triple {52200#false} assume !(0 == ~alive4~0 % 256); {52200#false} is VALID [2022-02-20 18:47:03,760 INFO L290 TraceCheckUtils]: 62: Hoare triple {52200#false} assume !(main_~node4__m4~61#1 > ~id4~0); {52200#false} is VALID [2022-02-20 18:47:03,761 INFO L290 TraceCheckUtils]: 63: Hoare triple {52200#false} assume main_~node4__m4~61#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~63#1; {52200#false} is VALID [2022-02-20 18:47:03,761 INFO L290 TraceCheckUtils]: 64: Hoare triple {52200#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~63#1 := 0;~__return_3575~0 := main_~check__tmp~63#1;main_~main__c1~0#1 := ~__return_3575~0;havoc main_~__tmp_54~0#1;main_~__tmp_54~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~53#1;main_~assert__arg~53#1 := main_~__tmp_54~0#1; {52200#false} is VALID [2022-02-20 18:47:03,761 INFO L290 TraceCheckUtils]: 65: Hoare triple {52200#false} assume 0 == main_~assert__arg~53#1 % 256; {52200#false} is VALID [2022-02-20 18:47:03,761 INFO L290 TraceCheckUtils]: 66: Hoare triple {52200#false} assume !false; {52200#false} is VALID [2022-02-20 18:47:03,761 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 18:47:03,763 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:47:03,763 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664419582] [2022-02-20 18:47:03,763 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664419582] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:47:03,763 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:47:03,763 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-20 18:47:03,764 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392993630] [2022-02-20 18:47:03,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:47:03,766 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 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 67 [2022-02-20 18:47:03,766 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:47:03,766 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 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 18:47:03,809 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:47:03,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-20 18:47:03,809 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:47:03,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-20 18:47:03,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-02-20 18:47:03,810 INFO L87 Difference]: Start difference. First operand 3967 states and 5118 transitions. Second operand has 10 states, 10 states have (on average 6.7) internal successors, (67), 9 states have internal predecessors, (67), 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)