./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 52ea16d32fee186339e754b295bffdbf40567dcb9eb1871e1f81ccc6c9f03c9b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 18:45:11,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 18:45:11,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 18:45:11,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 18:45:11,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 18:45:11,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 18:45:11,826 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 18:45:11,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 18:45:11,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 18:45:11,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 18:45:11,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 18:45:11,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 18:45:11,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 18:45:11,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 18:45:11,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 18:45:11,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 18:45:11,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 18:45:11,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 18:45:11,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 18:45:11,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 18:45:11,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 18:45:11,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 18:45:11,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 18:45:11,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 18:45:11,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 18:45:11,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 18:45:11,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 18:45:11,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 18:45:11,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 18:45:11,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 18:45:11,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 18:45:11,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 18:45:11,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 18:45:11,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 18:45:11,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 18:45:11,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 18:45:11,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 18:45:11,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 18:45:11,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 18:45:11,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 18:45:11,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 18:45:11,864 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 18:45:11,878 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 18:45:11,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 18:45:11,882 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 18:45:11,883 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 18:45:11,883 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 18:45:11,884 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 18:45:11,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 18:45:11,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 18:45:11,884 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 18:45:11,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 18:45:11,885 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 18:45:11,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 18:45:11,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 18:45:11,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 18:45:11,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 18:45:11,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 18:45:11,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 18:45:11,886 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 18:45:11,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 18:45:11,886 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 18:45:11,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 18:45:11,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 18:45:11,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 18:45:11,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 18:45:11,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:45:11,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 18:45:11,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 18:45:11,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 18:45:11,887 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 18:45:11,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 18:45:11,888 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 18:45:11,888 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 18:45:11,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 18:45:11,888 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52ea16d32fee186339e754b295bffdbf40567dcb9eb1871e1f81ccc6c9f03c9b [2022-02-20 18:45:12,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 18:45:12,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 18:45:12,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 18:45:12,131 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 18:45:12,132 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 18:45:12,133 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-02-20 18:45:12,175 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45fa11ef6/62cfb7fc962f4fe3b399d2489db45140/FLAG81e0ad526 [2022-02-20 18:45:12,754 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 18:45:12,754 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-02-20 18:45:12,769 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45fa11ef6/62cfb7fc962f4fe3b399d2489db45140/FLAG81e0ad526 [2022-02-20 18:45:13,208 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45fa11ef6/62cfb7fc962f4fe3b399d2489db45140 [2022-02-20 18:45:13,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 18:45:13,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 18:45:13,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 18:45:13,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 18:45:13,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 18:45:13,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:45:13" (1/1) ... [2022-02-20 18:45:13,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@275032b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:45:13, skipping insertion in model container [2022-02-20 18:45:13,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:45:13" (1/1) ... [2022-02-20 18:45:13,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 18:45:13,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 18:45:13,485 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.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[7184,7197] [2022-02-20 18:45:13,506 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.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[11285,11298] [2022-02-20 18:45:13,532 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.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[18315,18328] [2022-02-20 18:45:13,557 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.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[24747,24760] [2022-02-20 18:45:13,621 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.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[43722,43735] [2022-02-20 18:45:13,688 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.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[71504,71517] [2022-02-20 18:45:13,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:45:13,799 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 18:45:13,836 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.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[7184,7197] [2022-02-20 18:45:13,845 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.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[11285,11298] [2022-02-20 18:45:13,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[18315,18328] [2022-02-20 18:45:13,865 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.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[24747,24760] [2022-02-20 18:45:13,899 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.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[43722,43735] [2022-02-20 18:45:13,939 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.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[71504,71517] [2022-02-20 18:45:14,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:45:14,037 INFO L208 MainTranslator]: Completed translation [2022-02-20 18:45:14,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:45:14 WrapperNode [2022-02-20 18:45:14,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 18:45:14,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 18:45:14,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 18:45:14,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 18:45:14,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:45:14" (1/1) ... [2022-02-20 18:45:14,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:45:14" (1/1) ... [2022-02-20 18:45:14,195 INFO L137 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 5623 [2022-02-20 18:45:14,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 18:45:14,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 18:45:14,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 18:45:14,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 18:45:14,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:45:14" (1/1) ... [2022-02-20 18:45:14,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:45:14" (1/1) ... [2022-02-20 18:45:14,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:45:14" (1/1) ... [2022-02-20 18:45:14,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:45:14" (1/1) ... [2022-02-20 18:45:14,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:45:14" (1/1) ... [2022-02-20 18:45:14,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:45:14" (1/1) ... [2022-02-20 18:45:14,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:45:14" (1/1) ... [2022-02-20 18:45:14,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 18:45:14,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 18:45:14,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 18:45:14,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 18:45:14,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:45:14" (1/1) ... [2022-02-20 18:45:14,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:45:14,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:45:14,331 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 18:45:14,340 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 18:45:14,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 18:45:14,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 18:45:14,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 18:45:14,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 18:45:14,632 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 18:45:14,633 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 18:45:16,699 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 18:45:16,710 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 18:45:16,711 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 18:45:16,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:45:16 BoogieIcfgContainer [2022-02-20 18:45:16,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 18:45:16,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 18:45:16,714 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 18:45:16,715 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 18:45:16,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 06:45:13" (1/3) ... [2022-02-20 18:45:16,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba00365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:45:16, skipping insertion in model container [2022-02-20 18:45:16,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:45:14" (2/3) ... [2022-02-20 18:45:16,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba00365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:45:16, skipping insertion in model container [2022-02-20 18:45:16,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:45:16" (3/3) ... [2022-02-20 18:45:16,718 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-02-20 18:45:16,721 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 18:45:16,721 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-02-20 18:45:16,764 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 18:45:16,771 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 18:45:16,771 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-02-20 18:45:16,823 INFO L276 IsEmpty]: Start isEmpty. Operand has 1254 states, 1247 states have (on average 1.8043303929430634) internal successors, (2250), 1253 states have internal predecessors, (2250), 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 18:45:16,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-02-20 18:45:16,838 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:45:16,839 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] [2022-02-20 18:45:16,840 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-20 18:45:16,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:45:16,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1061871762, now seen corresponding path program 1 times [2022-02-20 18:45:16,850 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:45:16,851 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673130262] [2022-02-20 18:45:16,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:45:16,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:45:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:45:17,164 INFO L290 TraceCheckUtils]: 0: Hoare triple {1257#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(63, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~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];~__return_103~0 := 0;~__return_1324~0 := 0;~__return_3691~0 := 0;~__return_1314~0 := 0;~__return_3554~0 := 0;~__return_1344~0 := 0;~__return_1334~0 := 0;~__return_1284~0 := 0;~__return_3245~0 := 0;~__return_1274~0 := 0;~__return_3134~0 := 0;~__return_1304~0 := 0;~__return_3443~0 := 0;~__return_1294~0 := 0;~__return_3332~0 := 0;~__return_1404~0 := 0;~__return_1394~0 := 0;~__return_1424~0 := 0;~__return_1414~0 := 0;~__return_1364~0 := 0;~__return_1354~0 := 0;~__return_1384~0 := 0;~__return_1374~0 := 0;~__return_1164~0 := 0;~__return_2313~0 := 0;~__return_1154~0 := 0;~__return_2202~0 := 0;~__return_1184~0 := 0;~__return_1174~0 := 0;~__return_1124~0 := 0;~__return_1967~0 := 0;~__return_1114~0 := 0;~__return_1880~0 := 0;~__return_5121~0 := 0;~__return_1144~0 := 0;~__return_2115~0 := 0;~__return_1134~0 := 0;~__return_2028~0 := 0;~__return_1244~0 := 0;~__return_2927~0 := 0;~__return_1234~0 := 0;~__return_2816~0 := 0;~__return_1264~0 := 0;~__return_1254~0 := 0;~__return_1204~0 := 0;~__return_2581~0 := 0;~__return_1194~0 := 0;~__return_2494~0 := 0;~__return_1224~0 := 0;~__return_2729~0 := 0;~__return_1214~0 := 0;~__return_2642~0 := 0;~__return_1484~0 := 0;~__return_1474~0 := 0;~__return_4505~0 := 0;~__return_1504~0 := 0;~__return_1494~0 := 0;~__return_1444~0 := 0;~__return_1434~0 := 0;~__return_4311~0 := 0;~__return_1464~0 := 0;~__return_1454~0 := 0;~__return_4395~0 := 0;~__return_1564~0 := 0;~__return_1554~0 := 0;~__return_4853~0 := 0;~__return_1584~0 := 0;~__return_1574~0 := 0;~__return_1524~0 := 0;~__return_1514~0 := 0;~__return_4659~0 := 0;~__return_1544~0 := 0;~__return_1534~0 := 0;~__return_4743~0 := 0; {1259#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:45:17,165 INFO L290 TraceCheckUtils]: 1: Hoare triple {1259#(<= (+ ~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_~node1____CPAchecker_TMP_0~1#1, main_~node1____CPAchecker_TMP_1~0#1, main_~node1__m1~2#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~1#1, main_~node3__m3~1#1, main_~node2__m2~1#1, main_~node1__m1~1#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~3#1, main_~node3__m3~2#1, main_~node2__m2~2#1, main_~node1__m1~3#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~2#1, main_~node3____CPAchecker_TMP_0~0#1, main_~node3__m3~3#1, main_~node2__m2~3#1, main_~node1__m1~4#1, main_~__tmp_5~0#1, main_~assert__arg~4#1, main_~check__tmp~4#1, main_~node3____CPAchecker_TMP_1~0#1, main_~node3__m3~4#1, main_~node2__m2~4#1, main_~node1__m1~5#1, main_~__tmp_6~0#1, main_~assert__arg~5#1, main_~check__tmp~5#1, main_~node3__m3~0#1, main_~__tmp_8~0#1, main_~assert__arg~7#1, main_~check__tmp~7#1, main_~node3__m3~6#1, main_~node2__m2~5#1, main_~node1__m1~6#1, main_~__tmp_7~0#1, main_~assert__arg~6#1, main_~check__tmp~6#1, main_~node1____CPAchecker_TMP_0~2#1, main_~node1____CPAchecker_TMP_1~1#1, main_~node1__m1~8#1, main_~__tmp_10~0#1, main_~assert__arg~9#1, main_~check__tmp~9#1, main_~node3__m3~7#1, main_~node2__m2~6#1, main_~node1__m1~7#1, main_~__tmp_9~0#1, main_~assert__arg~8#1, main_~check__tmp~8#1, main_~node3____CPAchecker_TMP_0~1#1, main_~__tmp_12~0#1, main_~assert__arg~11#1, main_~check__tmp~11#1, main_~node3__m3~8#1, main_~node2__m2~7#1, main_~node1__m1~9#1, main_~__tmp_11~0#1, main_~assert__arg~10#1, main_~check__tmp~10#1, main_~node3____CPAchecker_TMP_1~1#1, main_~node1____CPAchecker_TMP_0~3#1, main_~node1____CPAchecker_TMP_1~2#1, main_~node1__m1~11#1, main_~__tmp_14~0#1, main_~assert__arg~13#1, main_~check__tmp~13#1, main_~node3__m3~9#1, main_~node2__m2~8#1, main_~node1__m1~10#1, main_~__tmp_13~0#1, main_~assert__arg~12#1, main_~check__tmp~12#1, main_~node3__m3~5#1, main_~node2____CPAchecker_TMP_0~0#1, main_~node2__m2~9#1, main_~node1__m1~12#1, main_~__tmp_15~0#1, main_~assert__arg~14#1, main_~check__tmp~14#1, main_~node2__m2~10#1, main_~node1__m1~13#1, main_~__tmp_16~0#1, main_~assert__arg~15#1, main_~check__tmp~15#1, main_~node3____CPAchecker_TMP_0~2#1, main_~node2__m2~11#1, main_~node1__m1~14#1, main_~__tmp_17~0#1, main_~assert__arg~16#1, main_~check__tmp~16#1, main_~node3____CPAchecker_TMP_1~2#1, main_~node2__m2~12#1, main_~node1__m1~15#1, main_~__tmp_18~0#1, main_~assert__arg~17#1, main_~check__tmp~17#1, main_~node3__m3~10#1, main_~node2____CPAchecker_TMP_1~0#1, main_~node2__m2~13#1, main_~node1__m1~16#1, main_~__tmp_19~0#1, main_~assert__arg~18#1, main_~check__tmp~18#1, main_~node2__m2~14#1, main_~node1__m1~17#1, main_~__tmp_20~0#1, main_~assert__arg~19#1, main_~check__tmp~19#1, main_~node3____CPAchecker_TMP_0~3#1, main_~node2__m2~15#1, main_~node1__m1~18#1, main_~__tmp_21~0#1, main_~assert__arg~20#1, main_~check__tmp~20#1, main_~node3____CPAchecker_TMP_1~3#1, main_~node2__m2~16#1, main_~node1__m1~19#1, main_~__tmp_22~0#1, main_~assert__arg~21#1, main_~check__tmp~21#1, main_~node3__m3~11#1, main_~node2__m2~0#1, main_~__tmp_24~0#1, main_~assert__arg~23#1, main_~check__tmp~23#1, main_~node3__m3~13#1, main_~node2__m2~18#1, main_~node1__m1~20#1, main_~__tmp_23~0#1, main_~assert__arg~22#1, main_~check__tmp~22#1, main_~node1____CPAchecker_TMP_0~4#1, main_~node1____CPAchecker_TMP_1~3#1, main_~node1__m1~22#1, main_~__tmp_26~0#1, main_~assert__arg~25#1, main_~check__tmp~25#1, main_~node3__m3~14#1, main_~node2__m2~19#1, main_~node1__m1~21#1, main_~__tmp_25~0#1, main_~assert__arg~24#1, main_~check__tmp~24#1, main_~node3____CPAchecker_TMP_0~4#1, main_~node3__m3~15#1, main_~node2__m2~20#1, main_~node1__m1~23#1, main_~__tmp_27~0#1, main_~assert__arg~26#1, main_~check__tmp~26#1, main_~node3____CPAchecker_TMP_1~4#1, main_~node3__m3~16#1, main_~node2__m2~21#1, main_~node1__m1~24#1, main_~__tmp_28~0#1, main_~assert__arg~27#1, main_~check__tmp~27#1, main_~node3__m3~12#1, main_~node1____CPAchecker_TMP_0~5#1, main_~node1____CPAchecker_TMP_1~4#1, main_~node1__m1~26#1, main_~__tmp_30~0#1, main_~assert__arg~29#1, main_~check__tmp~29#1, main_~node3__m3~18#1, main_~node2__m2~22#1, main_~node1__m1~25#1, main_~__tmp_29~0#1, main_~assert__arg~28#1, main_~check__tmp~28#1, main_~check__tmp~32#1, main_~node3____CPAchecker_TMP_0~6#1, main_~node3____CPAchecker_TMP_1~5#1, main_~node3__m3~20#1, main_~node2____CPAchecker_TMP_0~2#1, main_~node2____CPAchecker_TMP_1~1#1, main_~node2__m2~24#1, main_~node1____CPAchecker_TMP_0~6#1, main_~node1____CPAchecker_TMP_1~5#1, main_~node1__m1~28#1, main_~__tmp_32~0#1, main_~assert__arg~31#1, main_~check__tmp~31#1, main_~node3__m3~19#1, main_~node2__m2~23#1, main_~node1__m1~27#1, main_~__tmp_31~0#1, main_~assert__arg~30#1, main_~check__tmp~30#1, main_~node3____CPAchecker_TMP_0~5#1, main_~node1____CPAchecker_TMP_0~7#1, main_~node1____CPAchecker_TMP_1~6#1, main_~node1__m1~30#1, main_~__tmp_34~0#1, main_~assert__arg~33#1, main_~check__tmp~34#1, main_~node3__m3~21#1, main_~node2__m2~25#1, main_~node1__m1~29#1, main_~__tmp_33~0#1, main_~assert__arg~32#1, main_~check__tmp~33#1, main_~node3____CPAchecker_TMP_1~6#1, main_~node1____CPAchecker_TMP_0~8#1, main_~node1____CPAchecker_TMP_1~7#1, main_~node2____CPAchecker_TMP_0~3#1, main_~node2____CPAchecker_TMP_1~2#1, main_~node2__m2~27#1, main_~node1__m1~32#1, main_~__tmp_36~0#1, main_~assert__arg~35#1, main_~check__tmp~36#1, main_~node3__m3~22#1, main_~node2__m2~26#1, main_~node1__m1~31#1, main_~__tmp_35~0#1, main_~assert__arg~34#1, main_~check__tmp~35#1, main_~node3__m3~17#1, main_~node2____CPAchecker_TMP_0~1#1, main_~__tmp_38~0#1, main_~assert__arg~37#1, main_~check__tmp~38#1, main_~node3__m3~24#1, main_~node2__m2~28#1, main_~node1__m1~33#1, main_~__tmp_37~0#1, main_~assert__arg~36#1, main_~check__tmp~37#1, main_~node1____CPAchecker_TMP_0~9#1, main_~node1____CPAchecker_TMP_1~8#1, main_~node1__m1~35#1, main_~__tmp_40~0#1, main_~assert__arg~39#1, main_~check__tmp~40#1, main_~node3__m3~25#1, main_~node2__m2~29#1, main_~node1__m1~34#1, main_~__tmp_39~0#1, main_~assert__arg~38#1, main_~check__tmp~39#1, main_~node3____CPAchecker_TMP_0~7#1, main_~node3__m3~26#1, main_~node2__m2~30#1, main_~node1__m1~36#1, main_~__tmp_41~0#1, main_~assert__arg~40#1, main_~check__tmp~41#1, main_~node3____CPAchecker_TMP_1~7#1, main_~node3__m3~27#1, main_~node2__m2~31#1, main_~node1__m1~37#1, main_~__tmp_42~0#1, main_~assert__arg~41#1, main_~check__tmp~42#1, main_~node3__m3~23#1, main_~node2____CPAchecker_TMP_1~3#1, main_~node1____CPAchecker_TMP_0~10#1, main_~node1____CPAchecker_TMP_1~9#1, main_~node1__m1~39#1, main_~__tmp_44~0#1, main_~assert__arg~43#1, main_~check__tmp~44#1, main_~node3__m3~29#1, main_~node2__m2~32#1, main_~node1__m1~38#1, main_~__tmp_43~0#1, main_~assert__arg~42#1, main_~check__tmp~43#1, main_~node1____CPAchecker_TMP_0~11#1, main_~node1____CPAchecker_TMP_1~10#1, main_~node2____CPAchecker_TMP_1~4#1, main_~node2__m2~34#1, main_~node1__m1~41#1, main_~__tmp_46~0#1, main_~assert__arg~45#1, main_~check__tmp~46#1, main_~node3__m3~30#1, main_~node2__m2~33#1, main_~node1__m1~40#1, main_~__tmp_45~0#1, main_~assert__arg~44#1, main_~check__tmp~45#1, main_~node3____CPAchecker_TMP_0~8#1, main_~node1____CPAchecker_TMP_0~12#1, main_~node1____CPAchecker_TMP_1~11#1, main_~node1__m1~43#1, main_~__tmp_48~0#1, main_~assert__arg~47#1, main_~check__tmp~48#1, main_~node3__m3~31#1, main_~node2__m2~35#1, main_~node1__m1~42#1, main_~__tmp_47~0#1, main_~assert__arg~46#1, main_~check__tmp~47#1, main_~node3____CPAchecker_TMP_1~8#1, main_~node2____CPAchecker_TMP_0~4#1, main_~node2____CPAchecker_TMP_1~5#1, main_~node2__m2~37#1, main_~node2____CPAchecker_TMP_0~5#1, main_~node2____CPAchecker_TMP_1~6#1, main_~node2__m2~38#1, main_~node1____CPAchecker_TMP_0~13#1, main_~node1____CPAchecker_TMP_1~12#1, main_~node2____CPAchecker_TMP_1~7#1, main_~node2__m2~39#1, main_~node1__m1~45#1, main_~__tmp_50~0#1, main_~assert__arg~49#1, main_~check__tmp~50#1, main_~node3__m3~32#1, main_~node2__m2~36#1, main_~node1__m1~44#1, main_~__tmp_49~0#1, main_~assert__arg~48#1, main_~check__tmp~49#1, main_~node3__m3~28#1, main_~node2__m2~17#1, main_~node1____CPAchecker_TMP_0~0#1, main_~node1____CPAchecker_TMP_1~13#1, main_~node1__m1~46#1, main_~__tmp_51~0#1, main_~assert__arg~50#1, main_~check__tmp~51#1, main_~node1____CPAchecker_TMP_1~14#1, main_~node1__m1~48#1, main_~__tmp_53~0#1, main_~assert__arg~52#1, main_~check__tmp~53#1, main_~node3__m3~34#1, main_~node2__m2~41#1, main_~node1__m1~47#1, main_~__tmp_52~0#1, main_~assert__arg~51#1, main_~check__tmp~52#1, main_~node3____CPAchecker_TMP_0~9#1, main_~node1__m1~49#1, main_~__tmp_54~0#1, main_~assert__arg~53#1, main_~check__tmp~54#1, main_~node3____CPAchecker_TMP_1~9#1, main_~node3__m3~35#1, main_~node2__m2~42#1, main_~node1__m1~50#1, main_~__tmp_55~0#1, main_~assert__arg~54#1, main_~check__tmp~55#1, main_~node3__m3~33#1, main_~node1__m1~51#1, main_~__tmp_56~0#1, main_~assert__arg~55#1, main_~check__tmp~56#1, main_~node1____CPAchecker_TMP_1~15#1, main_~node2____CPAchecker_TMP_0~7#1, main_~node2____CPAchecker_TMP_1~8#1, main_~node2__m2~44#1, main_~node1__m1~53#1, main_~__tmp_58~0#1, main_~assert__arg~57#1, main_~check__tmp~58#1, main_~node3__m3~37#1, main_~node2__m2~43#1, main_~node1__m1~52#1, main_~__tmp_57~0#1, main_~assert__arg~56#1, main_~check__tmp~57#1, main_~node3____CPAchecker_TMP_0~10#1, main_~node1__m1~54#1, main_~__tmp_59~0#1, main_~assert__arg~58#1, main_~check__tmp~59#1, main_~node3____CPAchecker_TMP_1~10#1, main_~node2____CPAchecker_TMP_0~8#1, main_~node2____CPAchecker_TMP_1~9#1, main_~node2__m2~46#1, main_~node1____CPAchecker_TMP_1~16#1, main_~node1__m1~56#1, main_~__tmp_61~0#1, main_~assert__arg~60#1, main_~check__tmp~61#1, main_~node3__m3~38#1, main_~node2__m2~45#1, main_~node1__m1~55#1, main_~__tmp_60~0#1, main_~assert__arg~59#1, main_~check__tmp~60#1, main_~node3__m3~36#1, main_~node2____CPAchecker_TMP_0~6#1, main_~node1__m1~57#1, main_~__tmp_62~0#1, main_~assert__arg~61#1, main_~check__tmp~62#1, main_~node1____CPAchecker_TMP_1~17#1, main_~node1__m1~59#1, main_~__tmp_64~0#1, main_~assert__arg~63#1, main_~check__tmp~64#1, main_~node3__m3~40#1, main_~node2__m2~47#1, main_~node1__m1~58#1, main_~__tmp_63~0#1, main_~assert__arg~62#1, main_~check__tmp~63#1, main_~node3____CPAchecker_TMP_0~11#1, main_~node1__m1~60#1, main_~__tmp_65~0#1, main_~assert__arg~64#1, main_~check__tmp~65#1, main_~node3____CPAchecker_TMP_1~11#1, main_~node3__m3~41#1, main_~node2__m2~48#1, main_~node1__m1~61#1, main_~__tmp_66~0#1, main_~assert__arg~65#1, main_~check__tmp~66#1, main_~node3__m3~39#1, main_~node2____CPAchecker_TMP_1~10#1, main_~node1__m1~62#1, main_~__tmp_67~0#1, main_~assert__arg~66#1, main_~check__tmp~67#1, main_~node2____CPAchecker_TMP_0~9#1, main_~node2____CPAchecker_TMP_1~11#1, main_~node2__m2~50#1, main_~node1____CPAchecker_TMP_1~18#1, main_~node1__m1~64#1, main_~__tmp_69~0#1, main_~assert__arg~68#1, main_~check__tmp~69#1, main_~node3__m3~43#1, main_~node2__m2~49#1, main_~node1__m1~63#1, main_~__tmp_68~0#1, main_~assert__arg~67#1, main_~check__tmp~68#1, main_~node3____CPAchecker_TMP_0~12#1, main_~node1__m1~65#1, main_~__tmp_70~0#1, main_~assert__arg~69#1, main_~check__tmp~70#1, main_~node3____CPAchecker_TMP_1~12#1, main_~node2____CPAchecker_TMP_1~12#1, main_~node2__m2~52#1, main_~node1____CPAchecker_TMP_1~19#1, main_~node1__m1~67#1, main_~__tmp_72~0#1, main_~assert__arg~71#1, main_~check__tmp~72#1, main_~node3__m3~44#1, main_~node2__m2~51#1, main_~node1__m1~66#1, main_~__tmp_71~0#1, main_~assert__arg~70#1, main_~check__tmp~71#1, main_~node3__m3~42#1, main_~node2__m2~40#1, main_~node1__m1~0#1, main_~init__tmp~0#1, main_~main__c1~0#1, main_~main__i2~0#1;havoc main_~main__c1~0#1;havoc main_~main__i2~0#1;main_~main__c1~0#1 := 0;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -128 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 127;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -128 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 127;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -128 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 127;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -128 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 127;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -128 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 127;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -128 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 127;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;assume -128 <= main_#t~nondet15#1 && main_#t~nondet15#1 <= 127;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;assume -128 <= main_#t~nondet16#1 && main_#t~nondet16#1 <= 127;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume -128 <= main_#t~nondet17#1 && main_#t~nondet17#1 <= 127;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~init__tmp~0#1; {1259#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:45:17,168 INFO L290 TraceCheckUtils]: 2: Hoare triple {1259#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~r1~0 % 256; {1259#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:45:17,168 INFO L290 TraceCheckUtils]: 3: Hoare triple {1259#(<= (+ ~nomsg~0 1) 0)} assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 >= 1; {1259#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:45:17,169 INFO L290 TraceCheckUtils]: 4: Hoare triple {1259#(<= (+ ~nomsg~0 1) 0)} assume ~id1~0 >= 0; {1260#(<= (+ ~nomsg~0 1) ~id1~0)} is VALID [2022-02-20 18:45:17,169 INFO L290 TraceCheckUtils]: 5: Hoare triple {1260#(<= (+ ~nomsg~0 1) ~id1~0)} assume 0 == ~st1~0; {1260#(<= (+ ~nomsg~0 1) ~id1~0)} is VALID [2022-02-20 18:45:17,173 INFO L290 TraceCheckUtils]: 6: Hoare triple {1260#(<= (+ ~nomsg~0 1) ~id1~0)} assume ~send1~0 == ~id1~0; {1261#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:45:17,173 INFO L290 TraceCheckUtils]: 7: Hoare triple {1261#(<= (+ ~nomsg~0 1) ~send1~0)} assume 0 == ~mode1~0 % 256; {1261#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:45:17,174 INFO L290 TraceCheckUtils]: 8: Hoare triple {1261#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id2~0 >= 0; {1261#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:45:17,174 INFO L290 TraceCheckUtils]: 9: Hoare triple {1261#(<= (+ ~nomsg~0 1) ~send1~0)} assume 0 == ~st2~0; {1261#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:45:17,175 INFO L290 TraceCheckUtils]: 10: Hoare triple {1261#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~send2~0 == ~id2~0; {1261#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:45:17,175 INFO L290 TraceCheckUtils]: 11: Hoare triple {1261#(<= (+ ~nomsg~0 1) ~send1~0)} assume 0 == ~mode2~0 % 256; {1261#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:45:17,175 INFO L290 TraceCheckUtils]: 12: Hoare triple {1261#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id3~0 >= 0; {1261#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:45:17,176 INFO L290 TraceCheckUtils]: 13: Hoare triple {1261#(<= (+ ~nomsg~0 1) ~send1~0)} assume 0 == ~st3~0; {1261#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:45:17,176 INFO L290 TraceCheckUtils]: 14: Hoare triple {1261#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~send3~0 == ~id3~0; {1261#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:45:17,176 INFO L290 TraceCheckUtils]: 15: Hoare triple {1261#(<= (+ ~nomsg~0 1) ~send1~0)} assume 0 == ~mode3~0 % 256; {1261#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:45:17,177 INFO L290 TraceCheckUtils]: 16: Hoare triple {1261#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id1~0 != ~id2~0; {1261#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:45:17,177 INFO L290 TraceCheckUtils]: 17: Hoare triple {1261#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id1~0 != ~id3~0; {1261#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:45:17,178 INFO L290 TraceCheckUtils]: 18: Hoare triple {1261#(<= (+ ~nomsg~0 1) ~send1~0)} assume ~id2~0 != ~id3~0;main_~init__tmp~0#1 := 1;~__return_103~0 := main_~init__tmp~0#1;main_~main__i2~0#1 := ~__return_103~0; {1261#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:45:17,178 INFO L290 TraceCheckUtils]: 19: Hoare triple {1261#(<= (+ ~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;main_~main__i2~0#1 := 0;havoc main_~node1__m1~0#1;main_~node1__m1~0#1 := ~nomsg~0; {1261#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:45:17,178 INFO L290 TraceCheckUtils]: 20: Hoare triple {1261#(<= (+ ~nomsg~0 1) ~send1~0)} assume !!(0 == ~mode1~0 % 256); {1261#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:45:17,179 INFO L290 TraceCheckUtils]: 21: Hoare triple {1261#(<= (+ ~nomsg~0 1) ~send1~0)} assume !(0 == ~alive1~0 % 256);havoc main_~node1____CPAchecker_TMP_0~0#1; {1261#(<= (+ ~nomsg~0 1) ~send1~0)} is VALID [2022-02-20 18:45:17,180 INFO L290 TraceCheckUtils]: 22: Hoare triple {1261#(<= (+ ~nomsg~0 1) ~send1~0)} assume !(~send1~0 != ~nomsg~0);main_~node1____CPAchecker_TMP_0~0#1 := ~p1_new~0;~p1_new~0 := (if main_~node1____CPAchecker_TMP_0~0#1 % 256 <= 127 then main_~node1____CPAchecker_TMP_0~0#1 % 256 else main_~node1____CPAchecker_TMP_0~0#1 % 256 - 256);~mode1~0 := 1;havoc main_~node2__m2~17#1;main_~node2__m2~17#1 := ~nomsg~0; {1258#false} is VALID [2022-02-20 18:45:17,181 INFO L290 TraceCheckUtils]: 23: Hoare triple {1258#false} assume !!(0 == ~mode2~0 % 256); {1258#false} is VALID [2022-02-20 18:45:17,181 INFO L290 TraceCheckUtils]: 24: Hoare triple {1258#false} assume !(0 == ~alive2~0 % 256);havoc main_~node2____CPAchecker_TMP_0~1#1; {1258#false} is VALID [2022-02-20 18:45:17,181 INFO L290 TraceCheckUtils]: 25: Hoare triple {1258#false} assume ~send2~0 != ~nomsg~0; {1258#false} is VALID [2022-02-20 18:45:17,181 INFO L290 TraceCheckUtils]: 26: Hoare triple {1258#false} 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);~mode2~0 := 1;havoc main_~node3__m3~12#1;main_~node3__m3~12#1 := ~nomsg~0; {1258#false} is VALID [2022-02-20 18:45:17,181 INFO L290 TraceCheckUtils]: 27: Hoare triple {1258#false} assume !!(0 == ~mode3~0 % 256); {1258#false} is VALID [2022-02-20 18:45:17,182 INFO L290 TraceCheckUtils]: 28: Hoare triple {1258#false} assume !(0 == ~alive3~0 % 256);havoc main_~node3____CPAchecker_TMP_0~4#1; {1258#false} is VALID [2022-02-20 18:45:17,182 INFO L290 TraceCheckUtils]: 29: Hoare triple {1258#false} assume ~send3~0 != ~nomsg~0; {1258#false} is VALID [2022-02-20 18:45:17,182 INFO L290 TraceCheckUtils]: 30: Hoare triple {1258#false} assume ~p3_new~0 == ~nomsg~0;main_~node3____CPAchecker_TMP_0~4#1 := ~send3~0;~p3_new~0 := (if main_~node3____CPAchecker_TMP_0~4#1 % 256 <= 127 then main_~node3____CPAchecker_TMP_0~4#1 % 256 else main_~node3____CPAchecker_TMP_0~4#1 % 256 - 256);~mode3~0 := 1;~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;havoc main_~check__tmp~22#1; {1258#false} is VALID [2022-02-20 18:45:17,182 INFO L290 TraceCheckUtils]: 31: Hoare triple {1258#false} assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; {1258#false} is VALID [2022-02-20 18:45:17,182 INFO L290 TraceCheckUtils]: 32: Hoare triple {1258#false} assume ~r1~0 % 256 < 3;main_~check__tmp~22#1 := 1;~__return_1164~0 := main_~check__tmp~22#1;main_~main__c1~0#1 := ~__return_1164~0;havoc main_~__tmp_23~0#1;main_~__tmp_23~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~22#1;main_~assert__arg~22#1 := main_~__tmp_23~0#1; {1258#false} is VALID [2022-02-20 18:45:17,183 INFO L290 TraceCheckUtils]: 33: Hoare triple {1258#false} assume !(0 == main_~assert__arg~22#1 % 256);havoc main_~node1__m1~20#1;main_~node1__m1~20#1 := ~nomsg~0; {1258#false} is VALID [2022-02-20 18:45:17,183 INFO L290 TraceCheckUtils]: 34: Hoare triple {1258#false} assume !(0 == ~mode1~0 % 256); {1258#false} is VALID [2022-02-20 18:45:17,183 INFO L290 TraceCheckUtils]: 35: Hoare triple {1258#false} assume !(255 == ~r1~0 % 256);~r1~0 := 1 + ~r1~0 % 256;main_~node1__m1~20#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {1258#false} is VALID [2022-02-20 18:45:17,183 INFO L290 TraceCheckUtils]: 36: Hoare triple {1258#false} assume main_~node1__m1~20#1 != ~nomsg~0; {1258#false} is VALID [2022-02-20 18:45:17,183 INFO L290 TraceCheckUtils]: 37: Hoare triple {1258#false} assume !(0 == ~alive1~0 % 256); {1258#false} is VALID [2022-02-20 18:45:17,184 INFO L290 TraceCheckUtils]: 38: Hoare triple {1258#false} assume !(main_~node1__m1~20#1 > ~id1~0); {1258#false} is VALID [2022-02-20 18:45:17,184 INFO L290 TraceCheckUtils]: 39: Hoare triple {1258#false} assume main_~node1__m1~20#1 == ~id1~0;~st1~0 := 1;~mode1~0 := 0;havoc main_~node2__m2~18#1;main_~node2__m2~18#1 := ~nomsg~0; {1258#false} is VALID [2022-02-20 18:45:17,184 INFO L290 TraceCheckUtils]: 40: Hoare triple {1258#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~18#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {1258#false} is VALID [2022-02-20 18:45:17,184 INFO L290 TraceCheckUtils]: 41: Hoare triple {1258#false} assume !(main_~node2__m2~18#1 != ~nomsg~0);~mode2~0 := 0; {1258#false} is VALID [2022-02-20 18:45:17,184 INFO L290 TraceCheckUtils]: 42: Hoare triple {1258#false} havoc main_~node3__m3~13#1;main_~node3__m3~13#1 := ~nomsg~0; {1258#false} is VALID [2022-02-20 18:45:17,185 INFO L290 TraceCheckUtils]: 43: Hoare triple {1258#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~13#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {1258#false} is VALID [2022-02-20 18:45:17,185 INFO L290 TraceCheckUtils]: 44: Hoare triple {1258#false} assume main_~node3__m3~13#1 != ~nomsg~0; {1258#false} is VALID [2022-02-20 18:45:17,185 INFO L290 TraceCheckUtils]: 45: Hoare triple {1258#false} assume !(0 == ~alive3~0 % 256); {1258#false} is VALID [2022-02-20 18:45:17,185 INFO L290 TraceCheckUtils]: 46: Hoare triple {1258#false} assume !(main_~node3__m3~13#1 > ~id3~0); {1258#false} is VALID [2022-02-20 18:45:17,185 INFO L290 TraceCheckUtils]: 47: Hoare triple {1258#false} assume main_~node3__m3~13#1 == ~id3~0;~st3~0 := 1;~mode3~0 := 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;havoc main_~check__tmp~23#1; {1258#false} is VALID [2022-02-20 18:45:17,186 INFO L290 TraceCheckUtils]: 48: Hoare triple {1258#false} assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);main_~check__tmp~23#1 := 0;~__return_2313~0 := main_~check__tmp~23#1;main_~main__c1~0#1 := ~__return_2313~0;havoc main_~__tmp_24~0#1;main_~__tmp_24~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~23#1;main_~assert__arg~23#1 := main_~__tmp_24~0#1; {1258#false} is VALID [2022-02-20 18:45:17,186 INFO L290 TraceCheckUtils]: 49: Hoare triple {1258#false} assume 0 == main_~assert__arg~23#1 % 256; {1258#false} is VALID [2022-02-20 18:45:17,186 INFO L290 TraceCheckUtils]: 50: Hoare triple {1258#false} assume !false; {1258#false} is VALID [2022-02-20 18:45:17,187 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 18:45:17,187 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:45:17,187 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673130262] [2022-02-20 18:45:17,188 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673130262] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:45:17,188 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:45:17,188 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 18:45:17,189 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389861284] [2022-02-20 18:45:17,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:45:17,193 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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 51 [2022-02-20 18:45:17,194 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:45:17,196 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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 18:45:17,237 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:45:17,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:45:17,239 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:45:17,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:45:17,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:45:17,261 INFO L87 Difference]: Start difference. First operand has 1254 states, 1247 states have (on average 1.8043303929430634) internal successors, (2250), 1253 states have internal predecessors, (2250), 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 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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 18:45:21,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:45:21,859 INFO L93 Difference]: Finished difference Result 2467 states and 4323 transitions. [2022-02-20 18:45:21,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:45:21,860 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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 51 [2022-02-20 18:45:21,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:45:21,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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 18:45:21,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4323 transitions. [2022-02-20 18:45:21,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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 18:45:21,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4323 transitions. [2022-02-20 18:45:21,931 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 4323 transitions. [2022-02-20 18:45:24,770 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 4323 edges. 4323 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:45:24,894 INFO L225 Difference]: With dead ends: 2467 [2022-02-20 18:45:24,894 INFO L226 Difference]: Without dead ends: 1550 [2022-02-20 18:45:24,899 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 18:45:24,901 INFO L933 BasicCegarLoop]: 1013 mSDtfsCounter, 7029 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 1259 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7029 SdHoareTripleChecker+Valid, 1491 SdHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 1259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-02-20 18:45:24,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7029 Valid, 1491 Invalid, 1355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 1259 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-02-20 18:45:24,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2022-02-20 18:45:25,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1544. [2022-02-20 18:45:25,395 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:45:25,399 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1550 states. Second operand has 1544 states, 1538 states have (on average 1.3563068920676202) internal successors, (2086), 1543 states have internal predecessors, (2086), 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 18:45:25,402 INFO L74 IsIncluded]: Start isIncluded. First operand 1550 states. Second operand has 1544 states, 1538 states have (on average 1.3563068920676202) internal successors, (2086), 1543 states have internal predecessors, (2086), 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 18:45:25,405 INFO L87 Difference]: Start difference. First operand 1550 states. Second operand has 1544 states, 1538 states have (on average 1.3563068920676202) internal successors, (2086), 1543 states have internal predecessors, (2086), 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 18:45:25,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:45:25,491 INFO L93 Difference]: Finished difference Result 1550 states and 2090 transitions. [2022-02-20 18:45:25,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2090 transitions. [2022-02-20 18:45:25,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:45:25,494 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:45:25,496 INFO L74 IsIncluded]: Start isIncluded. First operand has 1544 states, 1538 states have (on average 1.3563068920676202) internal successors, (2086), 1543 states have internal predecessors, (2086), 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 1550 states. [2022-02-20 18:45:25,498 INFO L87 Difference]: Start difference. First operand has 1544 states, 1538 states have (on average 1.3563068920676202) internal successors, (2086), 1543 states have internal predecessors, (2086), 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 1550 states. [2022-02-20 18:45:25,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:45:25,573 INFO L93 Difference]: Finished difference Result 1550 states and 2090 transitions. [2022-02-20 18:45:25,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2090 transitions. [2022-02-20 18:45:25,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:45:25,575 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:45:25,575 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:45:25,575 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:45:25,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1544 states, 1538 states have (on average 1.3563068920676202) internal successors, (2086), 1543 states have internal predecessors, (2086), 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 18:45:25,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1544 states and 2086 transitions. [2022-02-20 18:45:25,667 INFO L78 Accepts]: Start accepts. Automaton has 1544 states and 2086 transitions. Word has length 51 [2022-02-20 18:45:25,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:45:25,668 INFO L470 AbstractCegarLoop]: Abstraction has 1544 states and 2086 transitions. [2022-02-20 18:45:25,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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 18:45:25,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 2086 transitions. [2022-02-20 18:45:25,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-02-20 18:45:25,670 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:45:25,670 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] [2022-02-20 18:45:25,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 18:45:25,671 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-20 18:45:25,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:45:25,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1625759521, now seen corresponding path program 1 times [2022-02-20 18:45:25,672 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:45:25,672 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992597775] [2022-02-20 18:45:25,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:45:25,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:45:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:45:25,756 INFO L290 TraceCheckUtils]: 0: Hoare triple {9323#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(63, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~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];~__return_103~0 := 0;~__return_1324~0 := 0;~__return_3691~0 := 0;~__return_1314~0 := 0;~__return_3554~0 := 0;~__return_1344~0 := 0;~__return_1334~0 := 0;~__return_1284~0 := 0;~__return_3245~0 := 0;~__return_1274~0 := 0;~__return_3134~0 := 0;~__return_1304~0 := 0;~__return_3443~0 := 0;~__return_1294~0 := 0;~__return_3332~0 := 0;~__return_1404~0 := 0;~__return_1394~0 := 0;~__return_1424~0 := 0;~__return_1414~0 := 0;~__return_1364~0 := 0;~__return_1354~0 := 0;~__return_1384~0 := 0;~__return_1374~0 := 0;~__return_1164~0 := 0;~__return_2313~0 := 0;~__return_1154~0 := 0;~__return_2202~0 := 0;~__return_1184~0 := 0;~__return_1174~0 := 0;~__return_1124~0 := 0;~__return_1967~0 := 0;~__return_1114~0 := 0;~__return_1880~0 := 0;~__return_5121~0 := 0;~__return_1144~0 := 0;~__return_2115~0 := 0;~__return_1134~0 := 0;~__return_2028~0 := 0;~__return_1244~0 := 0;~__return_2927~0 := 0;~__return_1234~0 := 0;~__return_2816~0 := 0;~__return_1264~0 := 0;~__return_1254~0 := 0;~__return_1204~0 := 0;~__return_2581~0 := 0;~__return_1194~0 := 0;~__return_2494~0 := 0;~__return_1224~0 := 0;~__return_2729~0 := 0;~__return_1214~0 := 0;~__return_2642~0 := 0;~__return_1484~0 := 0;~__return_1474~0 := 0;~__return_4505~0 := 0;~__return_1504~0 := 0;~__return_1494~0 := 0;~__return_1444~0 := 0;~__return_1434~0 := 0;~__return_4311~0 := 0;~__return_1464~0 := 0;~__return_1454~0 := 0;~__return_4395~0 := 0;~__return_1564~0 := 0;~__return_1554~0 := 0;~__return_4853~0 := 0;~__return_1584~0 := 0;~__return_1574~0 := 0;~__return_1524~0 := 0;~__return_1514~0 := 0;~__return_4659~0 := 0;~__return_1544~0 := 0;~__return_1534~0 := 0;~__return_4743~0 := 0; {9325#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:45:25,757 INFO L290 TraceCheckUtils]: 1: Hoare triple {9325#(<= (+ ~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_~node1____CPAchecker_TMP_0~1#1, main_~node1____CPAchecker_TMP_1~0#1, main_~node1__m1~2#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~1#1, main_~node3__m3~1#1, main_~node2__m2~1#1, main_~node1__m1~1#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~3#1, main_~node3__m3~2#1, main_~node2__m2~2#1, main_~node1__m1~3#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~2#1, main_~node3____CPAchecker_TMP_0~0#1, main_~node3__m3~3#1, main_~node2__m2~3#1, main_~node1__m1~4#1, main_~__tmp_5~0#1, main_~assert__arg~4#1, main_~check__tmp~4#1, main_~node3____CPAchecker_TMP_1~0#1, main_~node3__m3~4#1, main_~node2__m2~4#1, main_~node1__m1~5#1, main_~__tmp_6~0#1, main_~assert__arg~5#1, main_~check__tmp~5#1, main_~node3__m3~0#1, main_~__tmp_8~0#1, main_~assert__arg~7#1, main_~check__tmp~7#1, main_~node3__m3~6#1, main_~node2__m2~5#1, main_~node1__m1~6#1, main_~__tmp_7~0#1, main_~assert__arg~6#1, main_~check__tmp~6#1, main_~node1____CPAchecker_TMP_0~2#1, main_~node1____CPAchecker_TMP_1~1#1, main_~node1__m1~8#1, main_~__tmp_10~0#1, main_~assert__arg~9#1, main_~check__tmp~9#1, main_~node3__m3~7#1, main_~node2__m2~6#1, main_~node1__m1~7#1, main_~__tmp_9~0#1, main_~assert__arg~8#1, main_~check__tmp~8#1, main_~node3____CPAchecker_TMP_0~1#1, main_~__tmp_12~0#1, main_~assert__arg~11#1, main_~check__tmp~11#1, main_~node3__m3~8#1, main_~node2__m2~7#1, main_~node1__m1~9#1, main_~__tmp_11~0#1, main_~assert__arg~10#1, main_~check__tmp~10#1, main_~node3____CPAchecker_TMP_1~1#1, main_~node1____CPAchecker_TMP_0~3#1, main_~node1____CPAchecker_TMP_1~2#1, main_~node1__m1~11#1, main_~__tmp_14~0#1, main_~assert__arg~13#1, main_~check__tmp~13#1, main_~node3__m3~9#1, main_~node2__m2~8#1, main_~node1__m1~10#1, main_~__tmp_13~0#1, main_~assert__arg~12#1, main_~check__tmp~12#1, main_~node3__m3~5#1, main_~node2____CPAchecker_TMP_0~0#1, main_~node2__m2~9#1, main_~node1__m1~12#1, main_~__tmp_15~0#1, main_~assert__arg~14#1, main_~check__tmp~14#1, main_~node2__m2~10#1, main_~node1__m1~13#1, main_~__tmp_16~0#1, main_~assert__arg~15#1, main_~check__tmp~15#1, main_~node3____CPAchecker_TMP_0~2#1, main_~node2__m2~11#1, main_~node1__m1~14#1, main_~__tmp_17~0#1, main_~assert__arg~16#1, main_~check__tmp~16#1, main_~node3____CPAchecker_TMP_1~2#1, main_~node2__m2~12#1, main_~node1__m1~15#1, main_~__tmp_18~0#1, main_~assert__arg~17#1, main_~check__tmp~17#1, main_~node3__m3~10#1, main_~node2____CPAchecker_TMP_1~0#1, main_~node2__m2~13#1, main_~node1__m1~16#1, main_~__tmp_19~0#1, main_~assert__arg~18#1, main_~check__tmp~18#1, main_~node2__m2~14#1, main_~node1__m1~17#1, main_~__tmp_20~0#1, main_~assert__arg~19#1, main_~check__tmp~19#1, main_~node3____CPAchecker_TMP_0~3#1, main_~node2__m2~15#1, main_~node1__m1~18#1, main_~__tmp_21~0#1, main_~assert__arg~20#1, main_~check__tmp~20#1, main_~node3____CPAchecker_TMP_1~3#1, main_~node2__m2~16#1, main_~node1__m1~19#1, main_~__tmp_22~0#1, main_~assert__arg~21#1, main_~check__tmp~21#1, main_~node3__m3~11#1, main_~node2__m2~0#1, main_~__tmp_24~0#1, main_~assert__arg~23#1, main_~check__tmp~23#1, main_~node3__m3~13#1, main_~node2__m2~18#1, main_~node1__m1~20#1, main_~__tmp_23~0#1, main_~assert__arg~22#1, main_~check__tmp~22#1, main_~node1____CPAchecker_TMP_0~4#1, main_~node1____CPAchecker_TMP_1~3#1, main_~node1__m1~22#1, main_~__tmp_26~0#1, main_~assert__arg~25#1, main_~check__tmp~25#1, main_~node3__m3~14#1, main_~node2__m2~19#1, main_~node1__m1~21#1, main_~__tmp_25~0#1, main_~assert__arg~24#1, main_~check__tmp~24#1, main_~node3____CPAchecker_TMP_0~4#1, main_~node3__m3~15#1, main_~node2__m2~20#1, main_~node1__m1~23#1, main_~__tmp_27~0#1, main_~assert__arg~26#1, main_~check__tmp~26#1, main_~node3____CPAchecker_TMP_1~4#1, main_~node3__m3~16#1, main_~node2__m2~21#1, main_~node1__m1~24#1, main_~__tmp_28~0#1, main_~assert__arg~27#1, main_~check__tmp~27#1, main_~node3__m3~12#1, main_~node1____CPAchecker_TMP_0~5#1, main_~node1____CPAchecker_TMP_1~4#1, main_~node1__m1~26#1, main_~__tmp_30~0#1, main_~assert__arg~29#1, main_~check__tmp~29#1, main_~node3__m3~18#1, main_~node2__m2~22#1, main_~node1__m1~25#1, main_~__tmp_29~0#1, main_~assert__arg~28#1, main_~check__tmp~28#1, main_~check__tmp~32#1, main_~node3____CPAchecker_TMP_0~6#1, main_~node3____CPAchecker_TMP_1~5#1, main_~node3__m3~20#1, main_~node2____CPAchecker_TMP_0~2#1, main_~node2____CPAchecker_TMP_1~1#1, main_~node2__m2~24#1, main_~node1____CPAchecker_TMP_0~6#1, main_~node1____CPAchecker_TMP_1~5#1, main_~node1__m1~28#1, main_~__tmp_32~0#1, main_~assert__arg~31#1, main_~check__tmp~31#1, main_~node3__m3~19#1, main_~node2__m2~23#1, main_~node1__m1~27#1, main_~__tmp_31~0#1, main_~assert__arg~30#1, main_~check__tmp~30#1, main_~node3____CPAchecker_TMP_0~5#1, main_~node1____CPAchecker_TMP_0~7#1, main_~node1____CPAchecker_TMP_1~6#1, main_~node1__m1~30#1, main_~__tmp_34~0#1, main_~assert__arg~33#1, main_~check__tmp~34#1, main_~node3__m3~21#1, main_~node2__m2~25#1, main_~node1__m1~29#1, main_~__tmp_33~0#1, main_~assert__arg~32#1, main_~check__tmp~33#1, main_~node3____CPAchecker_TMP_1~6#1, main_~node1____CPAchecker_TMP_0~8#1, main_~node1____CPAchecker_TMP_1~7#1, main_~node2____CPAchecker_TMP_0~3#1, main_~node2____CPAchecker_TMP_1~2#1, main_~node2__m2~27#1, main_~node1__m1~32#1, main_~__tmp_36~0#1, main_~assert__arg~35#1, main_~check__tmp~36#1, main_~node3__m3~22#1, main_~node2__m2~26#1, main_~node1__m1~31#1, main_~__tmp_35~0#1, main_~assert__arg~34#1, main_~check__tmp~35#1, main_~node3__m3~17#1, main_~node2____CPAchecker_TMP_0~1#1, main_~__tmp_38~0#1, main_~assert__arg~37#1, main_~check__tmp~38#1, main_~node3__m3~24#1, main_~node2__m2~28#1, main_~node1__m1~33#1, main_~__tmp_37~0#1, main_~assert__arg~36#1, main_~check__tmp~37#1, main_~node1____CPAchecker_TMP_0~9#1, main_~node1____CPAchecker_TMP_1~8#1, main_~node1__m1~35#1, main_~__tmp_40~0#1, main_~assert__arg~39#1, main_~check__tmp~40#1, main_~node3__m3~25#1, main_~node2__m2~29#1, main_~node1__m1~34#1, main_~__tmp_39~0#1, main_~assert__arg~38#1, main_~check__tmp~39#1, main_~node3____CPAchecker_TMP_0~7#1, main_~node3__m3~26#1, main_~node2__m2~30#1, main_~node1__m1~36#1, main_~__tmp_41~0#1, main_~assert__arg~40#1, main_~check__tmp~41#1, main_~node3____CPAchecker_TMP_1~7#1, main_~node3__m3~27#1, main_~node2__m2~31#1, main_~node1__m1~37#1, main_~__tmp_42~0#1, main_~assert__arg~41#1, main_~check__tmp~42#1, main_~node3__m3~23#1, main_~node2____CPAchecker_TMP_1~3#1, main_~node1____CPAchecker_TMP_0~10#1, main_~node1____CPAchecker_TMP_1~9#1, main_~node1__m1~39#1, main_~__tmp_44~0#1, main_~assert__arg~43#1, main_~check__tmp~44#1, main_~node3__m3~29#1, main_~node2__m2~32#1, main_~node1__m1~38#1, main_~__tmp_43~0#1, main_~assert__arg~42#1, main_~check__tmp~43#1, main_~node1____CPAchecker_TMP_0~11#1, main_~node1____CPAchecker_TMP_1~10#1, main_~node2____CPAchecker_TMP_1~4#1, main_~node2__m2~34#1, main_~node1__m1~41#1, main_~__tmp_46~0#1, main_~assert__arg~45#1, main_~check__tmp~46#1, main_~node3__m3~30#1, main_~node2__m2~33#1, main_~node1__m1~40#1, main_~__tmp_45~0#1, main_~assert__arg~44#1, main_~check__tmp~45#1, main_~node3____CPAchecker_TMP_0~8#1, main_~node1____CPAchecker_TMP_0~12#1, main_~node1____CPAchecker_TMP_1~11#1, main_~node1__m1~43#1, main_~__tmp_48~0#1, main_~assert__arg~47#1, main_~check__tmp~48#1, main_~node3__m3~31#1, main_~node2__m2~35#1, main_~node1__m1~42#1, main_~__tmp_47~0#1, main_~assert__arg~46#1, main_~check__tmp~47#1, main_~node3____CPAchecker_TMP_1~8#1, main_~node2____CPAchecker_TMP_0~4#1, main_~node2____CPAchecker_TMP_1~5#1, main_~node2__m2~37#1, main_~node2____CPAchecker_TMP_0~5#1, main_~node2____CPAchecker_TMP_1~6#1, main_~node2__m2~38#1, main_~node1____CPAchecker_TMP_0~13#1, main_~node1____CPAchecker_TMP_1~12#1, main_~node2____CPAchecker_TMP_1~7#1, main_~node2__m2~39#1, main_~node1__m1~45#1, main_~__tmp_50~0#1, main_~assert__arg~49#1, main_~check__tmp~50#1, main_~node3__m3~32#1, main_~node2__m2~36#1, main_~node1__m1~44#1, main_~__tmp_49~0#1, main_~assert__arg~48#1, main_~check__tmp~49#1, main_~node3__m3~28#1, main_~node2__m2~17#1, main_~node1____CPAchecker_TMP_0~0#1, main_~node1____CPAchecker_TMP_1~13#1, main_~node1__m1~46#1, main_~__tmp_51~0#1, main_~assert__arg~50#1, main_~check__tmp~51#1, main_~node1____CPAchecker_TMP_1~14#1, main_~node1__m1~48#1, main_~__tmp_53~0#1, main_~assert__arg~52#1, main_~check__tmp~53#1, main_~node3__m3~34#1, main_~node2__m2~41#1, main_~node1__m1~47#1, main_~__tmp_52~0#1, main_~assert__arg~51#1, main_~check__tmp~52#1, main_~node3____CPAchecker_TMP_0~9#1, main_~node1__m1~49#1, main_~__tmp_54~0#1, main_~assert__arg~53#1, main_~check__tmp~54#1, main_~node3____CPAchecker_TMP_1~9#1, main_~node3__m3~35#1, main_~node2__m2~42#1, main_~node1__m1~50#1, main_~__tmp_55~0#1, main_~assert__arg~54#1, main_~check__tmp~55#1, main_~node3__m3~33#1, main_~node1__m1~51#1, main_~__tmp_56~0#1, main_~assert__arg~55#1, main_~check__tmp~56#1, main_~node1____CPAchecker_TMP_1~15#1, main_~node2____CPAchecker_TMP_0~7#1, main_~node2____CPAchecker_TMP_1~8#1, main_~node2__m2~44#1, main_~node1__m1~53#1, main_~__tmp_58~0#1, main_~assert__arg~57#1, main_~check__tmp~58#1, main_~node3__m3~37#1, main_~node2__m2~43#1, main_~node1__m1~52#1, main_~__tmp_57~0#1, main_~assert__arg~56#1, main_~check__tmp~57#1, main_~node3____CPAchecker_TMP_0~10#1, main_~node1__m1~54#1, main_~__tmp_59~0#1, main_~assert__arg~58#1, main_~check__tmp~59#1, main_~node3____CPAchecker_TMP_1~10#1, main_~node2____CPAchecker_TMP_0~8#1, main_~node2____CPAchecker_TMP_1~9#1, main_~node2__m2~46#1, main_~node1____CPAchecker_TMP_1~16#1, main_~node1__m1~56#1, main_~__tmp_61~0#1, main_~assert__arg~60#1, main_~check__tmp~61#1, main_~node3__m3~38#1, main_~node2__m2~45#1, main_~node1__m1~55#1, main_~__tmp_60~0#1, main_~assert__arg~59#1, main_~check__tmp~60#1, main_~node3__m3~36#1, main_~node2____CPAchecker_TMP_0~6#1, main_~node1__m1~57#1, main_~__tmp_62~0#1, main_~assert__arg~61#1, main_~check__tmp~62#1, main_~node1____CPAchecker_TMP_1~17#1, main_~node1__m1~59#1, main_~__tmp_64~0#1, main_~assert__arg~63#1, main_~check__tmp~64#1, main_~node3__m3~40#1, main_~node2__m2~47#1, main_~node1__m1~58#1, main_~__tmp_63~0#1, main_~assert__arg~62#1, main_~check__tmp~63#1, main_~node3____CPAchecker_TMP_0~11#1, main_~node1__m1~60#1, main_~__tmp_65~0#1, main_~assert__arg~64#1, main_~check__tmp~65#1, main_~node3____CPAchecker_TMP_1~11#1, main_~node3__m3~41#1, main_~node2__m2~48#1, main_~node1__m1~61#1, main_~__tmp_66~0#1, main_~assert__arg~65#1, main_~check__tmp~66#1, main_~node3__m3~39#1, main_~node2____CPAchecker_TMP_1~10#1, main_~node1__m1~62#1, main_~__tmp_67~0#1, main_~assert__arg~66#1, main_~check__tmp~67#1, main_~node2____CPAchecker_TMP_0~9#1, main_~node2____CPAchecker_TMP_1~11#1, main_~node2__m2~50#1, main_~node1____CPAchecker_TMP_1~18#1, main_~node1__m1~64#1, main_~__tmp_69~0#1, main_~assert__arg~68#1, main_~check__tmp~69#1, main_~node3__m3~43#1, main_~node2__m2~49#1, main_~node1__m1~63#1, main_~__tmp_68~0#1, main_~assert__arg~67#1, main_~check__tmp~68#1, main_~node3____CPAchecker_TMP_0~12#1, main_~node1__m1~65#1, main_~__tmp_70~0#1, main_~assert__arg~69#1, main_~check__tmp~70#1, main_~node3____CPAchecker_TMP_1~12#1, main_~node2____CPAchecker_TMP_1~12#1, main_~node2__m2~52#1, main_~node1____CPAchecker_TMP_1~19#1, main_~node1__m1~67#1, main_~__tmp_72~0#1, main_~assert__arg~71#1, main_~check__tmp~72#1, main_~node3__m3~44#1, main_~node2__m2~51#1, main_~node1__m1~66#1, main_~__tmp_71~0#1, main_~assert__arg~70#1, main_~check__tmp~71#1, main_~node3__m3~42#1, main_~node2__m2~40#1, main_~node1__m1~0#1, main_~init__tmp~0#1, main_~main__c1~0#1, main_~main__i2~0#1;havoc main_~main__c1~0#1;havoc main_~main__i2~0#1;main_~main__c1~0#1 := 0;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -128 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 127;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -128 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 127;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -128 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 127;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -128 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 127;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -128 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 127;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -128 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 127;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;assume -128 <= main_#t~nondet15#1 && main_#t~nondet15#1 <= 127;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;assume -128 <= main_#t~nondet16#1 && main_#t~nondet16#1 <= 127;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume -128 <= main_#t~nondet17#1 && main_#t~nondet17#1 <= 127;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~init__tmp~0#1; {9325#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:45:25,758 INFO L290 TraceCheckUtils]: 2: Hoare triple {9325#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~r1~0 % 256; {9325#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:45:25,758 INFO L290 TraceCheckUtils]: 3: Hoare triple {9325#(<= (+ ~nomsg~0 1) 0)} assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 >= 1; {9325#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:45:25,758 INFO L290 TraceCheckUtils]: 4: Hoare triple {9325#(<= (+ ~nomsg~0 1) 0)} assume ~id1~0 >= 0; {9325#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:45:25,759 INFO L290 TraceCheckUtils]: 5: Hoare triple {9325#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~st1~0; {9325#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:45:25,759 INFO L290 TraceCheckUtils]: 6: Hoare triple {9325#(<= (+ ~nomsg~0 1) 0)} assume ~send1~0 == ~id1~0; {9325#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:45:25,759 INFO L290 TraceCheckUtils]: 7: Hoare triple {9325#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~mode1~0 % 256; {9325#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:45:25,760 INFO L290 TraceCheckUtils]: 8: Hoare triple {9325#(<= (+ ~nomsg~0 1) 0)} assume ~id2~0 >= 0; {9325#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:45:25,760 INFO L290 TraceCheckUtils]: 9: Hoare triple {9325#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~st2~0; {9325#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:45:25,760 INFO L290 TraceCheckUtils]: 10: Hoare triple {9325#(<= (+ ~nomsg~0 1) 0)} assume ~send2~0 == ~id2~0; {9325#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:45:25,761 INFO L290 TraceCheckUtils]: 11: Hoare triple {9325#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~mode2~0 % 256; {9325#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:45:25,761 INFO L290 TraceCheckUtils]: 12: Hoare triple {9325#(<= (+ ~nomsg~0 1) 0)} assume ~id3~0 >= 0; {9326#(<= (+ ~nomsg~0 1) ~id3~0)} is VALID [2022-02-20 18:45:25,762 INFO L290 TraceCheckUtils]: 13: Hoare triple {9326#(<= (+ ~nomsg~0 1) ~id3~0)} assume 0 == ~st3~0; {9326#(<= (+ ~nomsg~0 1) ~id3~0)} is VALID [2022-02-20 18:45:25,762 INFO L290 TraceCheckUtils]: 14: Hoare triple {9326#(<= (+ ~nomsg~0 1) ~id3~0)} assume ~send3~0 == ~id3~0; {9327#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:45:25,762 INFO L290 TraceCheckUtils]: 15: Hoare triple {9327#(<= (+ ~nomsg~0 1) ~send3~0)} assume 0 == ~mode3~0 % 256; {9327#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:45:25,763 INFO L290 TraceCheckUtils]: 16: Hoare triple {9327#(<= (+ ~nomsg~0 1) ~send3~0)} assume ~id1~0 != ~id2~0; {9327#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:45:25,763 INFO L290 TraceCheckUtils]: 17: Hoare triple {9327#(<= (+ ~nomsg~0 1) ~send3~0)} assume ~id1~0 != ~id3~0; {9327#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:45:25,763 INFO L290 TraceCheckUtils]: 18: Hoare triple {9327#(<= (+ ~nomsg~0 1) ~send3~0)} assume ~id2~0 != ~id3~0;main_~init__tmp~0#1 := 1;~__return_103~0 := main_~init__tmp~0#1;main_~main__i2~0#1 := ~__return_103~0; {9327#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:45:25,764 INFO L290 TraceCheckUtils]: 19: Hoare triple {9327#(<= (+ ~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;main_~main__i2~0#1 := 0;havoc main_~node1__m1~0#1;main_~node1__m1~0#1 := ~nomsg~0; {9327#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:45:25,764 INFO L290 TraceCheckUtils]: 20: Hoare triple {9327#(<= (+ ~nomsg~0 1) ~send3~0)} assume !!(0 == ~mode1~0 % 256); {9327#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:45:25,764 INFO L290 TraceCheckUtils]: 21: Hoare triple {9327#(<= (+ ~nomsg~0 1) ~send3~0)} assume !(0 == ~alive1~0 % 256);havoc main_~node1____CPAchecker_TMP_0~0#1; {9327#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:45:25,765 INFO L290 TraceCheckUtils]: 22: Hoare triple {9327#(<= (+ ~nomsg~0 1) ~send3~0)} assume ~send1~0 != ~nomsg~0; {9327#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:45:25,765 INFO L290 TraceCheckUtils]: 23: Hoare triple {9327#(<= (+ ~nomsg~0 1) ~send3~0)} assume ~p1_new~0 == ~nomsg~0;main_~node1____CPAchecker_TMP_0~0#1 := ~send1~0;~p1_new~0 := (if main_~node1____CPAchecker_TMP_0~0#1 % 256 <= 127 then main_~node1____CPAchecker_TMP_0~0#1 % 256 else main_~node1____CPAchecker_TMP_0~0#1 % 256 - 256); {9327#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:45:25,765 INFO L290 TraceCheckUtils]: 24: Hoare triple {9327#(<= (+ ~nomsg~0 1) ~send3~0)} ~mode1~0 := 1;havoc main_~node2__m2~0#1;main_~node2__m2~0#1 := ~nomsg~0; {9327#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:45:25,766 INFO L290 TraceCheckUtils]: 25: Hoare triple {9327#(<= (+ ~nomsg~0 1) ~send3~0)} assume !!(0 == ~mode2~0 % 256); {9327#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:45:25,766 INFO L290 TraceCheckUtils]: 26: Hoare triple {9327#(<= (+ ~nomsg~0 1) ~send3~0)} assume !(0 == ~alive2~0 % 256);havoc main_~node2____CPAchecker_TMP_0~0#1; {9327#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:45:25,766 INFO L290 TraceCheckUtils]: 27: Hoare triple {9327#(<= (+ ~nomsg~0 1) ~send3~0)} assume ~send2~0 != ~nomsg~0; {9327#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:45:25,766 INFO L290 TraceCheckUtils]: 28: Hoare triple {9327#(<= (+ ~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);~mode2~0 := 1;havoc main_~node3__m3~0#1;main_~node3__m3~0#1 := ~nomsg~0; {9327#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:45:25,767 INFO L290 TraceCheckUtils]: 29: Hoare triple {9327#(<= (+ ~nomsg~0 1) ~send3~0)} assume !!(0 == ~mode3~0 % 256); {9327#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:45:25,767 INFO L290 TraceCheckUtils]: 30: Hoare triple {9327#(<= (+ ~nomsg~0 1) ~send3~0)} assume !(0 == ~alive3~0 % 256);havoc main_~node3____CPAchecker_TMP_0~0#1; {9327#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:45:25,768 INFO L290 TraceCheckUtils]: 31: Hoare triple {9327#(<= (+ ~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;~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;havoc main_~check__tmp~2#1; {9324#false} is VALID [2022-02-20 18:45:25,768 INFO L290 TraceCheckUtils]: 32: Hoare triple {9324#false} assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; {9324#false} is VALID [2022-02-20 18:45:25,768 INFO L290 TraceCheckUtils]: 33: Hoare triple {9324#false} assume ~r1~0 % 256 < 3;main_~check__tmp~2#1 := 1;~__return_1314~0 := main_~check__tmp~2#1;main_~main__c1~0#1 := ~__return_1314~0;havoc main_~__tmp_3~0#1;main_~__tmp_3~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~2#1;main_~assert__arg~2#1 := main_~__tmp_3~0#1; {9324#false} is VALID [2022-02-20 18:45:25,769 INFO L290 TraceCheckUtils]: 34: Hoare triple {9324#false} assume !(0 == main_~assert__arg~2#1 % 256);havoc main_~node1__m1~3#1;main_~node1__m1~3#1 := ~nomsg~0; {9324#false} is VALID [2022-02-20 18:45:25,769 INFO L290 TraceCheckUtils]: 35: Hoare triple {9324#false} assume !(0 == ~mode1~0 % 256); {9324#false} is VALID [2022-02-20 18:45:25,769 INFO L290 TraceCheckUtils]: 36: Hoare triple {9324#false} assume !(255 == ~r1~0 % 256);~r1~0 := 1 + ~r1~0 % 256;main_~node1__m1~3#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {9324#false} is VALID [2022-02-20 18:45:25,769 INFO L290 TraceCheckUtils]: 37: Hoare triple {9324#false} assume !(main_~node1__m1~3#1 != ~nomsg~0);~mode1~0 := 0; {9324#false} is VALID [2022-02-20 18:45:25,769 INFO L290 TraceCheckUtils]: 38: Hoare triple {9324#false} havoc main_~node2__m2~2#1;main_~node2__m2~2#1 := ~nomsg~0; {9324#false} is VALID [2022-02-20 18:45:25,769 INFO L290 TraceCheckUtils]: 39: Hoare triple {9324#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~2#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {9324#false} is VALID [2022-02-20 18:45:25,770 INFO L290 TraceCheckUtils]: 40: Hoare triple {9324#false} assume main_~node2__m2~2#1 != ~nomsg~0; {9324#false} is VALID [2022-02-20 18:45:25,770 INFO L290 TraceCheckUtils]: 41: Hoare triple {9324#false} assume !(0 == ~alive2~0 % 256); {9324#false} is VALID [2022-02-20 18:45:25,770 INFO L290 TraceCheckUtils]: 42: Hoare triple {9324#false} assume !(main_~node2__m2~2#1 > ~id2~0); {9324#false} is VALID [2022-02-20 18:45:25,770 INFO L290 TraceCheckUtils]: 43: Hoare triple {9324#false} assume main_~node2__m2~2#1 == ~id2~0;~st2~0 := 1;~mode2~0 := 0;havoc main_~node3__m3~2#1;main_~node3__m3~2#1 := ~nomsg~0; {9324#false} is VALID [2022-02-20 18:45:25,770 INFO L290 TraceCheckUtils]: 44: Hoare triple {9324#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~2#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {9324#false} is VALID [2022-02-20 18:45:25,771 INFO L290 TraceCheckUtils]: 45: Hoare triple {9324#false} assume main_~node3__m3~2#1 != ~nomsg~0; {9324#false} is VALID [2022-02-20 18:45:25,771 INFO L290 TraceCheckUtils]: 46: Hoare triple {9324#false} assume !(0 == ~alive3~0 % 256); {9324#false} is VALID [2022-02-20 18:45:25,771 INFO L290 TraceCheckUtils]: 47: Hoare triple {9324#false} assume !(main_~node3__m3~2#1 > ~id3~0); {9324#false} is VALID [2022-02-20 18:45:25,771 INFO L290 TraceCheckUtils]: 48: Hoare triple {9324#false} assume main_~node3__m3~2#1 == ~id3~0;~st3~0 := 1;~mode3~0 := 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;havoc main_~check__tmp~3#1; {9324#false} is VALID [2022-02-20 18:45:25,771 INFO L290 TraceCheckUtils]: 49: Hoare triple {9324#false} assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);main_~check__tmp~3#1 := 0;~__return_3554~0 := main_~check__tmp~3#1;main_~main__c1~0#1 := ~__return_3554~0;havoc main_~__tmp_4~0#1;main_~__tmp_4~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~3#1;main_~assert__arg~3#1 := main_~__tmp_4~0#1; {9324#false} is VALID [2022-02-20 18:45:25,772 INFO L290 TraceCheckUtils]: 50: Hoare triple {9324#false} assume 0 == main_~assert__arg~3#1 % 256; {9324#false} is VALID [2022-02-20 18:45:25,772 INFO L290 TraceCheckUtils]: 51: Hoare triple {9324#false} assume !false; {9324#false} is VALID [2022-02-20 18:45:25,772 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 18:45:25,772 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:45:25,772 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992597775] [2022-02-20 18:45:25,773 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992597775] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:45:25,773 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:45:25,773 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 18:45:25,773 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161583753] [2022-02-20 18:45:25,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:45:25,774 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 52 [2022-02-20 18:45:25,774 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:45:25,774 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 18:45:25,804 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:45:25,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:45:25,804 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:45:25,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:45:25,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:45:25,805 INFO L87 Difference]: Start difference. First operand 1544 states and 2086 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 18:45:29,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:45:29,793 INFO L93 Difference]: Finished difference Result 3169 states and 4338 transitions. [2022-02-20 18:45:29,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:45:29,793 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 52 [2022-02-20 18:45:29,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:45:29,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 18:45:29,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2897 transitions. [2022-02-20 18:45:29,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 18:45:29,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2897 transitions. [2022-02-20 18:45:29,818 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 2897 transitions. [2022-02-20 18:45:31,585 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 2897 edges. 2897 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:45:31,749 INFO L225 Difference]: With dead ends: 3169 [2022-02-20 18:45:31,749 INFO L226 Difference]: Without dead ends: 2189 [2022-02-20 18:45:31,751 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 18:45:31,751 INFO L933 BasicCegarLoop]: 675 mSDtfsCounter, 5040 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5040 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-20 18:45:31,752 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5040 Valid, 1030 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 913 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-20 18:45:31,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2189 states. [2022-02-20 18:45:33,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2189 to 2177. [2022-02-20 18:45:33,016 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:45:33,020 INFO L82 GeneralOperation]: Start isEquivalent. First operand 2189 states. Second operand has 2177 states, 2171 states have (on average 1.3754030400736987) internal successors, (2986), 2176 states have internal predecessors, (2986), 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 18:45:33,024 INFO L74 IsIncluded]: Start isIncluded. First operand 2189 states. Second operand has 2177 states, 2171 states have (on average 1.3754030400736987) internal successors, (2986), 2176 states have internal predecessors, (2986), 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 18:45:33,028 INFO L87 Difference]: Start difference. First operand 2189 states. Second operand has 2177 states, 2171 states have (on average 1.3754030400736987) internal successors, (2986), 2176 states have internal predecessors, (2986), 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 18:45:33,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:45:33,209 INFO L93 Difference]: Finished difference Result 2189 states and 2995 transitions. [2022-02-20 18:45:33,209 INFO L276 IsEmpty]: Start isEmpty. Operand 2189 states and 2995 transitions. [2022-02-20 18:45:33,213 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:45:33,213 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:45:33,216 INFO L74 IsIncluded]: Start isIncluded. First operand has 2177 states, 2171 states have (on average 1.3754030400736987) internal successors, (2986), 2176 states have internal predecessors, (2986), 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 2189 states. [2022-02-20 18:45:33,220 INFO L87 Difference]: Start difference. First operand has 2177 states, 2171 states have (on average 1.3754030400736987) internal successors, (2986), 2176 states have internal predecessors, (2986), 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 2189 states. [2022-02-20 18:45:33,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:45:33,362 INFO L93 Difference]: Finished difference Result 2189 states and 2995 transitions. [2022-02-20 18:45:33,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2189 states and 2995 transitions. [2022-02-20 18:45:33,364 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:45:33,364 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:45:33,365 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:45:33,365 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:45:33,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2177 states, 2171 states have (on average 1.3754030400736987) internal successors, (2986), 2176 states have internal predecessors, (2986), 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 18:45:33,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 2177 states and 2986 transitions. [2022-02-20 18:45:33,535 INFO L78 Accepts]: Start accepts. Automaton has 2177 states and 2986 transitions. Word has length 52 [2022-02-20 18:45:33,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:45:33,535 INFO L470 AbstractCegarLoop]: Abstraction has 2177 states and 2986 transitions. [2022-02-20 18:45:33,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 18:45:33,535 INFO L276 IsEmpty]: Start isEmpty. Operand 2177 states and 2986 transitions. [2022-02-20 18:45:33,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-02-20 18:45:33,537 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:45:33,537 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] [2022-02-20 18:45:33,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 18:45:33,538 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-20 18:45:33,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:45:33,538 INFO L85 PathProgramCache]: Analyzing trace with hash 299183278, now seen corresponding path program 1 times [2022-02-20 18:45:33,538 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:45:33,538 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592185917] [2022-02-20 18:45:33,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:45:33,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:45:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:45:33,614 INFO L290 TraceCheckUtils]: 0: Hoare triple {20518#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(63, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~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];~__return_103~0 := 0;~__return_1324~0 := 0;~__return_3691~0 := 0;~__return_1314~0 := 0;~__return_3554~0 := 0;~__return_1344~0 := 0;~__return_1334~0 := 0;~__return_1284~0 := 0;~__return_3245~0 := 0;~__return_1274~0 := 0;~__return_3134~0 := 0;~__return_1304~0 := 0;~__return_3443~0 := 0;~__return_1294~0 := 0;~__return_3332~0 := 0;~__return_1404~0 := 0;~__return_1394~0 := 0;~__return_1424~0 := 0;~__return_1414~0 := 0;~__return_1364~0 := 0;~__return_1354~0 := 0;~__return_1384~0 := 0;~__return_1374~0 := 0;~__return_1164~0 := 0;~__return_2313~0 := 0;~__return_1154~0 := 0;~__return_2202~0 := 0;~__return_1184~0 := 0;~__return_1174~0 := 0;~__return_1124~0 := 0;~__return_1967~0 := 0;~__return_1114~0 := 0;~__return_1880~0 := 0;~__return_5121~0 := 0;~__return_1144~0 := 0;~__return_2115~0 := 0;~__return_1134~0 := 0;~__return_2028~0 := 0;~__return_1244~0 := 0;~__return_2927~0 := 0;~__return_1234~0 := 0;~__return_2816~0 := 0;~__return_1264~0 := 0;~__return_1254~0 := 0;~__return_1204~0 := 0;~__return_2581~0 := 0;~__return_1194~0 := 0;~__return_2494~0 := 0;~__return_1224~0 := 0;~__return_2729~0 := 0;~__return_1214~0 := 0;~__return_2642~0 := 0;~__return_1484~0 := 0;~__return_1474~0 := 0;~__return_4505~0 := 0;~__return_1504~0 := 0;~__return_1494~0 := 0;~__return_1444~0 := 0;~__return_1434~0 := 0;~__return_4311~0 := 0;~__return_1464~0 := 0;~__return_1454~0 := 0;~__return_4395~0 := 0;~__return_1564~0 := 0;~__return_1554~0 := 0;~__return_4853~0 := 0;~__return_1584~0 := 0;~__return_1574~0 := 0;~__return_1524~0 := 0;~__return_1514~0 := 0;~__return_4659~0 := 0;~__return_1544~0 := 0;~__return_1534~0 := 0;~__return_4743~0 := 0; {20520#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:45:33,615 INFO L290 TraceCheckUtils]: 1: Hoare triple {20520#(<= (+ ~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_~node1____CPAchecker_TMP_0~1#1, main_~node1____CPAchecker_TMP_1~0#1, main_~node1__m1~2#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~1#1, main_~node3__m3~1#1, main_~node2__m2~1#1, main_~node1__m1~1#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~3#1, main_~node3__m3~2#1, main_~node2__m2~2#1, main_~node1__m1~3#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~2#1, main_~node3____CPAchecker_TMP_0~0#1, main_~node3__m3~3#1, main_~node2__m2~3#1, main_~node1__m1~4#1, main_~__tmp_5~0#1, main_~assert__arg~4#1, main_~check__tmp~4#1, main_~node3____CPAchecker_TMP_1~0#1, main_~node3__m3~4#1, main_~node2__m2~4#1, main_~node1__m1~5#1, main_~__tmp_6~0#1, main_~assert__arg~5#1, main_~check__tmp~5#1, main_~node3__m3~0#1, main_~__tmp_8~0#1, main_~assert__arg~7#1, main_~check__tmp~7#1, main_~node3__m3~6#1, main_~node2__m2~5#1, main_~node1__m1~6#1, main_~__tmp_7~0#1, main_~assert__arg~6#1, main_~check__tmp~6#1, main_~node1____CPAchecker_TMP_0~2#1, main_~node1____CPAchecker_TMP_1~1#1, main_~node1__m1~8#1, main_~__tmp_10~0#1, main_~assert__arg~9#1, main_~check__tmp~9#1, main_~node3__m3~7#1, main_~node2__m2~6#1, main_~node1__m1~7#1, main_~__tmp_9~0#1, main_~assert__arg~8#1, main_~check__tmp~8#1, main_~node3____CPAchecker_TMP_0~1#1, main_~__tmp_12~0#1, main_~assert__arg~11#1, main_~check__tmp~11#1, main_~node3__m3~8#1, main_~node2__m2~7#1, main_~node1__m1~9#1, main_~__tmp_11~0#1, main_~assert__arg~10#1, main_~check__tmp~10#1, main_~node3____CPAchecker_TMP_1~1#1, main_~node1____CPAchecker_TMP_0~3#1, main_~node1____CPAchecker_TMP_1~2#1, main_~node1__m1~11#1, main_~__tmp_14~0#1, main_~assert__arg~13#1, main_~check__tmp~13#1, main_~node3__m3~9#1, main_~node2__m2~8#1, main_~node1__m1~10#1, main_~__tmp_13~0#1, main_~assert__arg~12#1, main_~check__tmp~12#1, main_~node3__m3~5#1, main_~node2____CPAchecker_TMP_0~0#1, main_~node2__m2~9#1, main_~node1__m1~12#1, main_~__tmp_15~0#1, main_~assert__arg~14#1, main_~check__tmp~14#1, main_~node2__m2~10#1, main_~node1__m1~13#1, main_~__tmp_16~0#1, main_~assert__arg~15#1, main_~check__tmp~15#1, main_~node3____CPAchecker_TMP_0~2#1, main_~node2__m2~11#1, main_~node1__m1~14#1, main_~__tmp_17~0#1, main_~assert__arg~16#1, main_~check__tmp~16#1, main_~node3____CPAchecker_TMP_1~2#1, main_~node2__m2~12#1, main_~node1__m1~15#1, main_~__tmp_18~0#1, main_~assert__arg~17#1, main_~check__tmp~17#1, main_~node3__m3~10#1, main_~node2____CPAchecker_TMP_1~0#1, main_~node2__m2~13#1, main_~node1__m1~16#1, main_~__tmp_19~0#1, main_~assert__arg~18#1, main_~check__tmp~18#1, main_~node2__m2~14#1, main_~node1__m1~17#1, main_~__tmp_20~0#1, main_~assert__arg~19#1, main_~check__tmp~19#1, main_~node3____CPAchecker_TMP_0~3#1, main_~node2__m2~15#1, main_~node1__m1~18#1, main_~__tmp_21~0#1, main_~assert__arg~20#1, main_~check__tmp~20#1, main_~node3____CPAchecker_TMP_1~3#1, main_~node2__m2~16#1, main_~node1__m1~19#1, main_~__tmp_22~0#1, main_~assert__arg~21#1, main_~check__tmp~21#1, main_~node3__m3~11#1, main_~node2__m2~0#1, main_~__tmp_24~0#1, main_~assert__arg~23#1, main_~check__tmp~23#1, main_~node3__m3~13#1, main_~node2__m2~18#1, main_~node1__m1~20#1, main_~__tmp_23~0#1, main_~assert__arg~22#1, main_~check__tmp~22#1, main_~node1____CPAchecker_TMP_0~4#1, main_~node1____CPAchecker_TMP_1~3#1, main_~node1__m1~22#1, main_~__tmp_26~0#1, main_~assert__arg~25#1, main_~check__tmp~25#1, main_~node3__m3~14#1, main_~node2__m2~19#1, main_~node1__m1~21#1, main_~__tmp_25~0#1, main_~assert__arg~24#1, main_~check__tmp~24#1, main_~node3____CPAchecker_TMP_0~4#1, main_~node3__m3~15#1, main_~node2__m2~20#1, main_~node1__m1~23#1, main_~__tmp_27~0#1, main_~assert__arg~26#1, main_~check__tmp~26#1, main_~node3____CPAchecker_TMP_1~4#1, main_~node3__m3~16#1, main_~node2__m2~21#1, main_~node1__m1~24#1, main_~__tmp_28~0#1, main_~assert__arg~27#1, main_~check__tmp~27#1, main_~node3__m3~12#1, main_~node1____CPAchecker_TMP_0~5#1, main_~node1____CPAchecker_TMP_1~4#1, main_~node1__m1~26#1, main_~__tmp_30~0#1, main_~assert__arg~29#1, main_~check__tmp~29#1, main_~node3__m3~18#1, main_~node2__m2~22#1, main_~node1__m1~25#1, main_~__tmp_29~0#1, main_~assert__arg~28#1, main_~check__tmp~28#1, main_~check__tmp~32#1, main_~node3____CPAchecker_TMP_0~6#1, main_~node3____CPAchecker_TMP_1~5#1, main_~node3__m3~20#1, main_~node2____CPAchecker_TMP_0~2#1, main_~node2____CPAchecker_TMP_1~1#1, main_~node2__m2~24#1, main_~node1____CPAchecker_TMP_0~6#1, main_~node1____CPAchecker_TMP_1~5#1, main_~node1__m1~28#1, main_~__tmp_32~0#1, main_~assert__arg~31#1, main_~check__tmp~31#1, main_~node3__m3~19#1, main_~node2__m2~23#1, main_~node1__m1~27#1, main_~__tmp_31~0#1, main_~assert__arg~30#1, main_~check__tmp~30#1, main_~node3____CPAchecker_TMP_0~5#1, main_~node1____CPAchecker_TMP_0~7#1, main_~node1____CPAchecker_TMP_1~6#1, main_~node1__m1~30#1, main_~__tmp_34~0#1, main_~assert__arg~33#1, main_~check__tmp~34#1, main_~node3__m3~21#1, main_~node2__m2~25#1, main_~node1__m1~29#1, main_~__tmp_33~0#1, main_~assert__arg~32#1, main_~check__tmp~33#1, main_~node3____CPAchecker_TMP_1~6#1, main_~node1____CPAchecker_TMP_0~8#1, main_~node1____CPAchecker_TMP_1~7#1, main_~node2____CPAchecker_TMP_0~3#1, main_~node2____CPAchecker_TMP_1~2#1, main_~node2__m2~27#1, main_~node1__m1~32#1, main_~__tmp_36~0#1, main_~assert__arg~35#1, main_~check__tmp~36#1, main_~node3__m3~22#1, main_~node2__m2~26#1, main_~node1__m1~31#1, main_~__tmp_35~0#1, main_~assert__arg~34#1, main_~check__tmp~35#1, main_~node3__m3~17#1, main_~node2____CPAchecker_TMP_0~1#1, main_~__tmp_38~0#1, main_~assert__arg~37#1, main_~check__tmp~38#1, main_~node3__m3~24#1, main_~node2__m2~28#1, main_~node1__m1~33#1, main_~__tmp_37~0#1, main_~assert__arg~36#1, main_~check__tmp~37#1, main_~node1____CPAchecker_TMP_0~9#1, main_~node1____CPAchecker_TMP_1~8#1, main_~node1__m1~35#1, main_~__tmp_40~0#1, main_~assert__arg~39#1, main_~check__tmp~40#1, main_~node3__m3~25#1, main_~node2__m2~29#1, main_~node1__m1~34#1, main_~__tmp_39~0#1, main_~assert__arg~38#1, main_~check__tmp~39#1, main_~node3____CPAchecker_TMP_0~7#1, main_~node3__m3~26#1, main_~node2__m2~30#1, main_~node1__m1~36#1, main_~__tmp_41~0#1, main_~assert__arg~40#1, main_~check__tmp~41#1, main_~node3____CPAchecker_TMP_1~7#1, main_~node3__m3~27#1, main_~node2__m2~31#1, main_~node1__m1~37#1, main_~__tmp_42~0#1, main_~assert__arg~41#1, main_~check__tmp~42#1, main_~node3__m3~23#1, main_~node2____CPAchecker_TMP_1~3#1, main_~node1____CPAchecker_TMP_0~10#1, main_~node1____CPAchecker_TMP_1~9#1, main_~node1__m1~39#1, main_~__tmp_44~0#1, main_~assert__arg~43#1, main_~check__tmp~44#1, main_~node3__m3~29#1, main_~node2__m2~32#1, main_~node1__m1~38#1, main_~__tmp_43~0#1, main_~assert__arg~42#1, main_~check__tmp~43#1, main_~node1____CPAchecker_TMP_0~11#1, main_~node1____CPAchecker_TMP_1~10#1, main_~node2____CPAchecker_TMP_1~4#1, main_~node2__m2~34#1, main_~node1__m1~41#1, main_~__tmp_46~0#1, main_~assert__arg~45#1, main_~check__tmp~46#1, main_~node3__m3~30#1, main_~node2__m2~33#1, main_~node1__m1~40#1, main_~__tmp_45~0#1, main_~assert__arg~44#1, main_~check__tmp~45#1, main_~node3____CPAchecker_TMP_0~8#1, main_~node1____CPAchecker_TMP_0~12#1, main_~node1____CPAchecker_TMP_1~11#1, main_~node1__m1~43#1, main_~__tmp_48~0#1, main_~assert__arg~47#1, main_~check__tmp~48#1, main_~node3__m3~31#1, main_~node2__m2~35#1, main_~node1__m1~42#1, main_~__tmp_47~0#1, main_~assert__arg~46#1, main_~check__tmp~47#1, main_~node3____CPAchecker_TMP_1~8#1, main_~node2____CPAchecker_TMP_0~4#1, main_~node2____CPAchecker_TMP_1~5#1, main_~node2__m2~37#1, main_~node2____CPAchecker_TMP_0~5#1, main_~node2____CPAchecker_TMP_1~6#1, main_~node2__m2~38#1, main_~node1____CPAchecker_TMP_0~13#1, main_~node1____CPAchecker_TMP_1~12#1, main_~node2____CPAchecker_TMP_1~7#1, main_~node2__m2~39#1, main_~node1__m1~45#1, main_~__tmp_50~0#1, main_~assert__arg~49#1, main_~check__tmp~50#1, main_~node3__m3~32#1, main_~node2__m2~36#1, main_~node1__m1~44#1, main_~__tmp_49~0#1, main_~assert__arg~48#1, main_~check__tmp~49#1, main_~node3__m3~28#1, main_~node2__m2~17#1, main_~node1____CPAchecker_TMP_0~0#1, main_~node1____CPAchecker_TMP_1~13#1, main_~node1__m1~46#1, main_~__tmp_51~0#1, main_~assert__arg~50#1, main_~check__tmp~51#1, main_~node1____CPAchecker_TMP_1~14#1, main_~node1__m1~48#1, main_~__tmp_53~0#1, main_~assert__arg~52#1, main_~check__tmp~53#1, main_~node3__m3~34#1, main_~node2__m2~41#1, main_~node1__m1~47#1, main_~__tmp_52~0#1, main_~assert__arg~51#1, main_~check__tmp~52#1, main_~node3____CPAchecker_TMP_0~9#1, main_~node1__m1~49#1, main_~__tmp_54~0#1, main_~assert__arg~53#1, main_~check__tmp~54#1, main_~node3____CPAchecker_TMP_1~9#1, main_~node3__m3~35#1, main_~node2__m2~42#1, main_~node1__m1~50#1, main_~__tmp_55~0#1, main_~assert__arg~54#1, main_~check__tmp~55#1, main_~node3__m3~33#1, main_~node1__m1~51#1, main_~__tmp_56~0#1, main_~assert__arg~55#1, main_~check__tmp~56#1, main_~node1____CPAchecker_TMP_1~15#1, main_~node2____CPAchecker_TMP_0~7#1, main_~node2____CPAchecker_TMP_1~8#1, main_~node2__m2~44#1, main_~node1__m1~53#1, main_~__tmp_58~0#1, main_~assert__arg~57#1, main_~check__tmp~58#1, main_~node3__m3~37#1, main_~node2__m2~43#1, main_~node1__m1~52#1, main_~__tmp_57~0#1, main_~assert__arg~56#1, main_~check__tmp~57#1, main_~node3____CPAchecker_TMP_0~10#1, main_~node1__m1~54#1, main_~__tmp_59~0#1, main_~assert__arg~58#1, main_~check__tmp~59#1, main_~node3____CPAchecker_TMP_1~10#1, main_~node2____CPAchecker_TMP_0~8#1, main_~node2____CPAchecker_TMP_1~9#1, main_~node2__m2~46#1, main_~node1____CPAchecker_TMP_1~16#1, main_~node1__m1~56#1, main_~__tmp_61~0#1, main_~assert__arg~60#1, main_~check__tmp~61#1, main_~node3__m3~38#1, main_~node2__m2~45#1, main_~node1__m1~55#1, main_~__tmp_60~0#1, main_~assert__arg~59#1, main_~check__tmp~60#1, main_~node3__m3~36#1, main_~node2____CPAchecker_TMP_0~6#1, main_~node1__m1~57#1, main_~__tmp_62~0#1, main_~assert__arg~61#1, main_~check__tmp~62#1, main_~node1____CPAchecker_TMP_1~17#1, main_~node1__m1~59#1, main_~__tmp_64~0#1, main_~assert__arg~63#1, main_~check__tmp~64#1, main_~node3__m3~40#1, main_~node2__m2~47#1, main_~node1__m1~58#1, main_~__tmp_63~0#1, main_~assert__arg~62#1, main_~check__tmp~63#1, main_~node3____CPAchecker_TMP_0~11#1, main_~node1__m1~60#1, main_~__tmp_65~0#1, main_~assert__arg~64#1, main_~check__tmp~65#1, main_~node3____CPAchecker_TMP_1~11#1, main_~node3__m3~41#1, main_~node2__m2~48#1, main_~node1__m1~61#1, main_~__tmp_66~0#1, main_~assert__arg~65#1, main_~check__tmp~66#1, main_~node3__m3~39#1, main_~node2____CPAchecker_TMP_1~10#1, main_~node1__m1~62#1, main_~__tmp_67~0#1, main_~assert__arg~66#1, main_~check__tmp~67#1, main_~node2____CPAchecker_TMP_0~9#1, main_~node2____CPAchecker_TMP_1~11#1, main_~node2__m2~50#1, main_~node1____CPAchecker_TMP_1~18#1, main_~node1__m1~64#1, main_~__tmp_69~0#1, main_~assert__arg~68#1, main_~check__tmp~69#1, main_~node3__m3~43#1, main_~node2__m2~49#1, main_~node1__m1~63#1, main_~__tmp_68~0#1, main_~assert__arg~67#1, main_~check__tmp~68#1, main_~node3____CPAchecker_TMP_0~12#1, main_~node1__m1~65#1, main_~__tmp_70~0#1, main_~assert__arg~69#1, main_~check__tmp~70#1, main_~node3____CPAchecker_TMP_1~12#1, main_~node2____CPAchecker_TMP_1~12#1, main_~node2__m2~52#1, main_~node1____CPAchecker_TMP_1~19#1, main_~node1__m1~67#1, main_~__tmp_72~0#1, main_~assert__arg~71#1, main_~check__tmp~72#1, main_~node3__m3~44#1, main_~node2__m2~51#1, main_~node1__m1~66#1, main_~__tmp_71~0#1, main_~assert__arg~70#1, main_~check__tmp~71#1, main_~node3__m3~42#1, main_~node2__m2~40#1, main_~node1__m1~0#1, main_~init__tmp~0#1, main_~main__c1~0#1, main_~main__i2~0#1;havoc main_~main__c1~0#1;havoc main_~main__i2~0#1;main_~main__c1~0#1 := 0;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -128 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 127;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -128 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 127;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -128 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 127;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -128 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 127;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -128 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 127;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -128 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 127;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;assume -128 <= main_#t~nondet15#1 && main_#t~nondet15#1 <= 127;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;assume -128 <= main_#t~nondet16#1 && main_#t~nondet16#1 <= 127;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume -128 <= main_#t~nondet17#1 && main_#t~nondet17#1 <= 127;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~init__tmp~0#1; {20520#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:45:33,615 INFO L290 TraceCheckUtils]: 2: Hoare triple {20520#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~r1~0 % 256; {20520#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:45:33,616 INFO L290 TraceCheckUtils]: 3: Hoare triple {20520#(<= (+ ~nomsg~0 1) 0)} assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 >= 1; {20520#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:45:33,616 INFO L290 TraceCheckUtils]: 4: Hoare triple {20520#(<= (+ ~nomsg~0 1) 0)} assume ~id1~0 >= 0; {20520#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:45:33,616 INFO L290 TraceCheckUtils]: 5: Hoare triple {20520#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~st1~0; {20520#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:45:33,617 INFO L290 TraceCheckUtils]: 6: Hoare triple {20520#(<= (+ ~nomsg~0 1) 0)} assume ~send1~0 == ~id1~0; {20520#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:45:33,617 INFO L290 TraceCheckUtils]: 7: Hoare triple {20520#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~mode1~0 % 256; {20520#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:45:33,617 INFO L290 TraceCheckUtils]: 8: Hoare triple {20520#(<= (+ ~nomsg~0 1) 0)} assume ~id2~0 >= 0; {20521#(<= (+ ~nomsg~0 1) ~id2~0)} is VALID [2022-02-20 18:45:33,618 INFO L290 TraceCheckUtils]: 9: Hoare triple {20521#(<= (+ ~nomsg~0 1) ~id2~0)} assume 0 == ~st2~0; {20521#(<= (+ ~nomsg~0 1) ~id2~0)} is VALID [2022-02-20 18:45:33,618 INFO L290 TraceCheckUtils]: 10: Hoare triple {20521#(<= (+ ~nomsg~0 1) ~id2~0)} assume ~send2~0 == ~id2~0; {20522#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:45:33,619 INFO L290 TraceCheckUtils]: 11: Hoare triple {20522#(<= (+ ~nomsg~0 1) ~send2~0)} assume 0 == ~mode2~0 % 256; {20522#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:45:33,620 INFO L290 TraceCheckUtils]: 12: Hoare triple {20522#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~id3~0 >= 0; {20522#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:45:33,626 INFO L290 TraceCheckUtils]: 13: Hoare triple {20522#(<= (+ ~nomsg~0 1) ~send2~0)} assume 0 == ~st3~0; {20522#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:45:33,628 INFO L290 TraceCheckUtils]: 14: Hoare triple {20522#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~send3~0 == ~id3~0; {20522#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:45:33,628 INFO L290 TraceCheckUtils]: 15: Hoare triple {20522#(<= (+ ~nomsg~0 1) ~send2~0)} assume 0 == ~mode3~0 % 256; {20522#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:45:33,629 INFO L290 TraceCheckUtils]: 16: Hoare triple {20522#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~id1~0 != ~id2~0; {20522#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:45:33,629 INFO L290 TraceCheckUtils]: 17: Hoare triple {20522#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~id1~0 != ~id3~0; {20522#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:45:33,629 INFO L290 TraceCheckUtils]: 18: Hoare triple {20522#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~id2~0 != ~id3~0;main_~init__tmp~0#1 := 1;~__return_103~0 := main_~init__tmp~0#1;main_~main__i2~0#1 := ~__return_103~0; {20522#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:45:33,630 INFO L290 TraceCheckUtils]: 19: Hoare triple {20522#(<= (+ ~nomsg~0 1) ~send2~0)} assume 0 != main_~main__i2~0#1;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;main_~main__i2~0#1 := 0;havoc main_~node1__m1~0#1;main_~node1__m1~0#1 := ~nomsg~0; {20522#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:45:33,630 INFO L290 TraceCheckUtils]: 20: Hoare triple {20522#(<= (+ ~nomsg~0 1) ~send2~0)} assume !!(0 == ~mode1~0 % 256); {20522#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:45:33,630 INFO L290 TraceCheckUtils]: 21: Hoare triple {20522#(<= (+ ~nomsg~0 1) ~send2~0)} assume !(0 == ~alive1~0 % 256);havoc main_~node1____CPAchecker_TMP_0~0#1; {20522#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:45:33,631 INFO L290 TraceCheckUtils]: 22: Hoare triple {20522#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~send1~0 != ~nomsg~0; {20522#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:45:33,631 INFO L290 TraceCheckUtils]: 23: Hoare triple {20522#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~p1_new~0 == ~nomsg~0;main_~node1____CPAchecker_TMP_0~0#1 := ~send1~0;~p1_new~0 := (if main_~node1____CPAchecker_TMP_0~0#1 % 256 <= 127 then main_~node1____CPAchecker_TMP_0~0#1 % 256 else main_~node1____CPAchecker_TMP_0~0#1 % 256 - 256); {20522#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:45:33,631 INFO L290 TraceCheckUtils]: 24: Hoare triple {20522#(<= (+ ~nomsg~0 1) ~send2~0)} ~mode1~0 := 1;havoc main_~node2__m2~0#1;main_~node2__m2~0#1 := ~nomsg~0; {20522#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:45:33,632 INFO L290 TraceCheckUtils]: 25: Hoare triple {20522#(<= (+ ~nomsg~0 1) ~send2~0)} assume !!(0 == ~mode2~0 % 256); {20522#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:45:33,632 INFO L290 TraceCheckUtils]: 26: Hoare triple {20522#(<= (+ ~nomsg~0 1) ~send2~0)} assume !(0 == ~alive2~0 % 256);havoc main_~node2____CPAchecker_TMP_0~0#1; {20522#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:45:33,632 INFO L290 TraceCheckUtils]: 27: Hoare triple {20522#(<= (+ ~nomsg~0 1) ~send2~0)} assume !(~send2~0 != ~nomsg~0);main_~node2____CPAchecker_TMP_0~0#1 := ~p2_new~0;~p2_new~0 := (if main_~node2____CPAchecker_TMP_0~0#1 % 256 <= 127 then main_~node2____CPAchecker_TMP_0~0#1 % 256 else main_~node2____CPAchecker_TMP_0~0#1 % 256 - 256);~mode2~0 := 1;havoc main_~node3__m3~5#1;main_~node3__m3~5#1 := ~nomsg~0; {20519#false} is VALID [2022-02-20 18:45:33,633 INFO L290 TraceCheckUtils]: 28: Hoare triple {20519#false} assume !!(0 == ~mode3~0 % 256); {20519#false} is VALID [2022-02-20 18:45:33,633 INFO L290 TraceCheckUtils]: 29: Hoare triple {20519#false} assume !(0 == ~alive3~0 % 256);havoc main_~node3____CPAchecker_TMP_0~1#1; {20519#false} is VALID [2022-02-20 18:45:33,633 INFO L290 TraceCheckUtils]: 30: Hoare triple {20519#false} assume ~send3~0 != ~nomsg~0; {20519#false} is VALID [2022-02-20 18:45:33,633 INFO L290 TraceCheckUtils]: 31: Hoare triple {20519#false} assume ~p3_new~0 == ~nomsg~0;main_~node3____CPAchecker_TMP_0~1#1 := ~send3~0;~p3_new~0 := (if main_~node3____CPAchecker_TMP_0~1#1 % 256 <= 127 then main_~node3____CPAchecker_TMP_0~1#1 % 256 else main_~node3____CPAchecker_TMP_0~1#1 % 256 - 256);~mode3~0 := 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;havoc main_~check__tmp~6#1; {20519#false} is VALID [2022-02-20 18:45:33,633 INFO L290 TraceCheckUtils]: 32: Hoare triple {20519#false} assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; {20519#false} is VALID [2022-02-20 18:45:33,633 INFO L290 TraceCheckUtils]: 33: Hoare triple {20519#false} assume ~r1~0 % 256 < 3;main_~check__tmp~6#1 := 1;~__return_1284~0 := main_~check__tmp~6#1;main_~main__c1~0#1 := ~__return_1284~0;havoc main_~__tmp_7~0#1;main_~__tmp_7~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~6#1;main_~assert__arg~6#1 := main_~__tmp_7~0#1; {20519#false} is VALID [2022-02-20 18:45:33,633 INFO L290 TraceCheckUtils]: 34: Hoare triple {20519#false} assume !(0 == main_~assert__arg~6#1 % 256);havoc main_~node1__m1~6#1;main_~node1__m1~6#1 := ~nomsg~0; {20519#false} is VALID [2022-02-20 18:45:33,633 INFO L290 TraceCheckUtils]: 35: Hoare triple {20519#false} assume !(0 == ~mode1~0 % 256); {20519#false} is VALID [2022-02-20 18:45:33,634 INFO L290 TraceCheckUtils]: 36: Hoare triple {20519#false} assume !(255 == ~r1~0 % 256);~r1~0 := 1 + ~r1~0 % 256;main_~node1__m1~6#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {20519#false} is VALID [2022-02-20 18:45:33,634 INFO L290 TraceCheckUtils]: 37: Hoare triple {20519#false} assume main_~node1__m1~6#1 != ~nomsg~0; {20519#false} is VALID [2022-02-20 18:45:33,634 INFO L290 TraceCheckUtils]: 38: Hoare triple {20519#false} assume !(0 == ~alive1~0 % 256); {20519#false} is VALID [2022-02-20 18:45:33,634 INFO L290 TraceCheckUtils]: 39: Hoare triple {20519#false} assume !(main_~node1__m1~6#1 > ~id1~0); {20519#false} is VALID [2022-02-20 18:45:33,634 INFO L290 TraceCheckUtils]: 40: Hoare triple {20519#false} assume main_~node1__m1~6#1 == ~id1~0;~st1~0 := 1;~mode1~0 := 0;havoc main_~node2__m2~5#1;main_~node2__m2~5#1 := ~nomsg~0; {20519#false} is VALID [2022-02-20 18:45:33,634 INFO L290 TraceCheckUtils]: 41: Hoare triple {20519#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~5#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {20519#false} is VALID [2022-02-20 18:45:33,635 INFO L290 TraceCheckUtils]: 42: Hoare triple {20519#false} assume main_~node2__m2~5#1 != ~nomsg~0; {20519#false} is VALID [2022-02-20 18:45:33,635 INFO L290 TraceCheckUtils]: 43: Hoare triple {20519#false} assume !(0 == ~alive2~0 % 256); {20519#false} is VALID [2022-02-20 18:45:33,635 INFO L290 TraceCheckUtils]: 44: Hoare triple {20519#false} assume !(main_~node2__m2~5#1 > ~id2~0); {20519#false} is VALID [2022-02-20 18:45:33,635 INFO L290 TraceCheckUtils]: 45: Hoare triple {20519#false} assume main_~node2__m2~5#1 == ~id2~0;~st2~0 := 1;~mode2~0 := 0;havoc main_~node3__m3~6#1;main_~node3__m3~6#1 := ~nomsg~0; {20519#false} is VALID [2022-02-20 18:45:33,635 INFO L290 TraceCheckUtils]: 46: Hoare triple {20519#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~6#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {20519#false} is VALID [2022-02-20 18:45:33,635 INFO L290 TraceCheckUtils]: 47: Hoare triple {20519#false} assume !(main_~node3__m3~6#1 != ~nomsg~0);~mode3~0 := 0; {20519#false} is VALID [2022-02-20 18:45:33,635 INFO L290 TraceCheckUtils]: 48: Hoare triple {20519#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;havoc main_~check__tmp~7#1; {20519#false} is VALID [2022-02-20 18:45:33,636 INFO L290 TraceCheckUtils]: 49: Hoare triple {20519#false} assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);main_~check__tmp~7#1 := 0;~__return_3245~0 := main_~check__tmp~7#1;main_~main__c1~0#1 := ~__return_3245~0;havoc main_~__tmp_8~0#1;main_~__tmp_8~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~7#1;main_~assert__arg~7#1 := main_~__tmp_8~0#1; {20519#false} is VALID [2022-02-20 18:45:33,636 INFO L290 TraceCheckUtils]: 50: Hoare triple {20519#false} assume 0 == main_~assert__arg~7#1 % 256; {20519#false} is VALID [2022-02-20 18:45:33,636 INFO L290 TraceCheckUtils]: 51: Hoare triple {20519#false} assume !false; {20519#false} is VALID [2022-02-20 18:45:33,636 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 18:45:33,636 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:45:33,637 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592185917] [2022-02-20 18:45:33,637 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592185917] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:45:33,637 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:45:33,637 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 18:45:33,637 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8708876] [2022-02-20 18:45:33,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:45:33,638 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 52 [2022-02-20 18:45:33,638 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:45:33,638 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 18:45:33,670 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:45:33,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:45:33,670 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:45:33,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:45:33,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:45:33,671 INFO L87 Difference]: Start difference. First operand 2177 states and 2986 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 18:45:38,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:45:38,635 INFO L93 Difference]: Finished difference Result 4520 states and 6280 transitions. [2022-02-20 18:45:38,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:45:38,635 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 52 [2022-02-20 18:45:38,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:45:38,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 18:45:38,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2626 transitions. [2022-02-20 18:45:38,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 18:45:38,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2626 transitions. [2022-02-20 18:45:38,651 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 2626 transitions. [2022-02-20 18:45:40,248 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 2626 edges. 2626 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:45:40,579 INFO L225 Difference]: With dead ends: 4520 [2022-02-20 18:45:40,579 INFO L226 Difference]: Without dead ends: 3045 [2022-02-20 18:45:40,581 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 18:45:40,582 INFO L933 BasicCegarLoop]: 595 mSDtfsCounter, 4459 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4459 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-20 18:45:40,582 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4459 Valid, 884 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-20 18:45:40,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3045 states. [2022-02-20 18:45:42,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3045 to 3035. [2022-02-20 18:45:42,973 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:45:42,988 INFO L82 GeneralOperation]: Start isEquivalent. First operand 3045 states. Second operand has 3035 states, 3029 states have (on average 1.3766919775503466) internal successors, (4170), 3034 states have internal predecessors, (4170), 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 18:45:43,002 INFO L74 IsIncluded]: Start isIncluded. First operand 3045 states. Second operand has 3035 states, 3029 states have (on average 1.3766919775503466) internal successors, (4170), 3034 states have internal predecessors, (4170), 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 18:45:43,005 INFO L87 Difference]: Start difference. First operand 3045 states. Second operand has 3035 states, 3029 states have (on average 1.3766919775503466) internal successors, (4170), 3034 states have internal predecessors, (4170), 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 18:45:43,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:45:43,258 INFO L93 Difference]: Finished difference Result 3045 states and 4177 transitions. [2022-02-20 18:45:43,258 INFO L276 IsEmpty]: Start isEmpty. Operand 3045 states and 4177 transitions. [2022-02-20 18:45:43,261 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:45:43,261 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:45:43,265 INFO L74 IsIncluded]: Start isIncluded. First operand has 3035 states, 3029 states have (on average 1.3766919775503466) internal successors, (4170), 3034 states have internal predecessors, (4170), 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 3045 states. [2022-02-20 18:45:43,267 INFO L87 Difference]: Start difference. First operand has 3035 states, 3029 states have (on average 1.3766919775503466) internal successors, (4170), 3034 states have internal predecessors, (4170), 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 3045 states. [2022-02-20 18:45:43,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:45:43,527 INFO L93 Difference]: Finished difference Result 3045 states and 4177 transitions. [2022-02-20 18:45:43,527 INFO L276 IsEmpty]: Start isEmpty. Operand 3045 states and 4177 transitions. [2022-02-20 18:45:43,530 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:45:43,530 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:45:43,530 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:45:43,530 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:45:43,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3035 states, 3029 states have (on average 1.3766919775503466) internal successors, (4170), 3034 states have internal predecessors, (4170), 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 18:45:43,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 3035 states and 4170 transitions. [2022-02-20 18:45:43,888 INFO L78 Accepts]: Start accepts. Automaton has 3035 states and 4170 transitions. Word has length 52 [2022-02-20 18:45:43,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:45:43,888 INFO L470 AbstractCegarLoop]: Abstraction has 3035 states and 4170 transitions. [2022-02-20 18:45:43,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 18:45:43,888 INFO L276 IsEmpty]: Start isEmpty. Operand 3035 states and 4170 transitions. [2022-02-20 18:45:43,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-02-20 18:45:43,890 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:45:43,890 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] [2022-02-20 18:45:43,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 18:45:43,890 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-20 18:45:43,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:45:43,891 INFO L85 PathProgramCache]: Analyzing trace with hash 448762372, now seen corresponding path program 1 times [2022-02-20 18:45:43,891 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:45:43,891 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659517144] [2022-02-20 18:45:43,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:45:43,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:45:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:45:44,040 INFO L290 TraceCheckUtils]: 0: Hoare triple {36459#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(63, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~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];~__return_103~0 := 0;~__return_1324~0 := 0;~__return_3691~0 := 0;~__return_1314~0 := 0;~__return_3554~0 := 0;~__return_1344~0 := 0;~__return_1334~0 := 0;~__return_1284~0 := 0;~__return_3245~0 := 0;~__return_1274~0 := 0;~__return_3134~0 := 0;~__return_1304~0 := 0;~__return_3443~0 := 0;~__return_1294~0 := 0;~__return_3332~0 := 0;~__return_1404~0 := 0;~__return_1394~0 := 0;~__return_1424~0 := 0;~__return_1414~0 := 0;~__return_1364~0 := 0;~__return_1354~0 := 0;~__return_1384~0 := 0;~__return_1374~0 := 0;~__return_1164~0 := 0;~__return_2313~0 := 0;~__return_1154~0 := 0;~__return_2202~0 := 0;~__return_1184~0 := 0;~__return_1174~0 := 0;~__return_1124~0 := 0;~__return_1967~0 := 0;~__return_1114~0 := 0;~__return_1880~0 := 0;~__return_5121~0 := 0;~__return_1144~0 := 0;~__return_2115~0 := 0;~__return_1134~0 := 0;~__return_2028~0 := 0;~__return_1244~0 := 0;~__return_2927~0 := 0;~__return_1234~0 := 0;~__return_2816~0 := 0;~__return_1264~0 := 0;~__return_1254~0 := 0;~__return_1204~0 := 0;~__return_2581~0 := 0;~__return_1194~0 := 0;~__return_2494~0 := 0;~__return_1224~0 := 0;~__return_2729~0 := 0;~__return_1214~0 := 0;~__return_2642~0 := 0;~__return_1484~0 := 0;~__return_1474~0 := 0;~__return_4505~0 := 0;~__return_1504~0 := 0;~__return_1494~0 := 0;~__return_1444~0 := 0;~__return_1434~0 := 0;~__return_4311~0 := 0;~__return_1464~0 := 0;~__return_1454~0 := 0;~__return_4395~0 := 0;~__return_1564~0 := 0;~__return_1554~0 := 0;~__return_4853~0 := 0;~__return_1584~0 := 0;~__return_1574~0 := 0;~__return_1524~0 := 0;~__return_1514~0 := 0;~__return_4659~0 := 0;~__return_1544~0 := 0;~__return_1534~0 := 0;~__return_4743~0 := 0; {36461#(and (<= (+ ~nomsg~0 1) 0) (<= 0 (+ ~nomsg~0 1)))} is VALID [2022-02-20 18:45:44,041 INFO L290 TraceCheckUtils]: 1: Hoare triple {36461#(and (<= (+ ~nomsg~0 1) 0) (<= 0 (+ ~nomsg~0 1)))} 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_~node1____CPAchecker_TMP_0~1#1, main_~node1____CPAchecker_TMP_1~0#1, main_~node1__m1~2#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~1#1, main_~node3__m3~1#1, main_~node2__m2~1#1, main_~node1__m1~1#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~3#1, main_~node3__m3~2#1, main_~node2__m2~2#1, main_~node1__m1~3#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~2#1, main_~node3____CPAchecker_TMP_0~0#1, main_~node3__m3~3#1, main_~node2__m2~3#1, main_~node1__m1~4#1, main_~__tmp_5~0#1, main_~assert__arg~4#1, main_~check__tmp~4#1, main_~node3____CPAchecker_TMP_1~0#1, main_~node3__m3~4#1, main_~node2__m2~4#1, main_~node1__m1~5#1, main_~__tmp_6~0#1, main_~assert__arg~5#1, main_~check__tmp~5#1, main_~node3__m3~0#1, main_~__tmp_8~0#1, main_~assert__arg~7#1, main_~check__tmp~7#1, main_~node3__m3~6#1, main_~node2__m2~5#1, main_~node1__m1~6#1, main_~__tmp_7~0#1, main_~assert__arg~6#1, main_~check__tmp~6#1, main_~node1____CPAchecker_TMP_0~2#1, main_~node1____CPAchecker_TMP_1~1#1, main_~node1__m1~8#1, main_~__tmp_10~0#1, main_~assert__arg~9#1, main_~check__tmp~9#1, main_~node3__m3~7#1, main_~node2__m2~6#1, main_~node1__m1~7#1, main_~__tmp_9~0#1, main_~assert__arg~8#1, main_~check__tmp~8#1, main_~node3____CPAchecker_TMP_0~1#1, main_~__tmp_12~0#1, main_~assert__arg~11#1, main_~check__tmp~11#1, main_~node3__m3~8#1, main_~node2__m2~7#1, main_~node1__m1~9#1, main_~__tmp_11~0#1, main_~assert__arg~10#1, main_~check__tmp~10#1, main_~node3____CPAchecker_TMP_1~1#1, main_~node1____CPAchecker_TMP_0~3#1, main_~node1____CPAchecker_TMP_1~2#1, main_~node1__m1~11#1, main_~__tmp_14~0#1, main_~assert__arg~13#1, main_~check__tmp~13#1, main_~node3__m3~9#1, main_~node2__m2~8#1, main_~node1__m1~10#1, main_~__tmp_13~0#1, main_~assert__arg~12#1, main_~check__tmp~12#1, main_~node3__m3~5#1, main_~node2____CPAchecker_TMP_0~0#1, main_~node2__m2~9#1, main_~node1__m1~12#1, main_~__tmp_15~0#1, main_~assert__arg~14#1, main_~check__tmp~14#1, main_~node2__m2~10#1, main_~node1__m1~13#1, main_~__tmp_16~0#1, main_~assert__arg~15#1, main_~check__tmp~15#1, main_~node3____CPAchecker_TMP_0~2#1, main_~node2__m2~11#1, main_~node1__m1~14#1, main_~__tmp_17~0#1, main_~assert__arg~16#1, main_~check__tmp~16#1, main_~node3____CPAchecker_TMP_1~2#1, main_~node2__m2~12#1, main_~node1__m1~15#1, main_~__tmp_18~0#1, main_~assert__arg~17#1, main_~check__tmp~17#1, main_~node3__m3~10#1, main_~node2____CPAchecker_TMP_1~0#1, main_~node2__m2~13#1, main_~node1__m1~16#1, main_~__tmp_19~0#1, main_~assert__arg~18#1, main_~check__tmp~18#1, main_~node2__m2~14#1, main_~node1__m1~17#1, main_~__tmp_20~0#1, main_~assert__arg~19#1, main_~check__tmp~19#1, main_~node3____CPAchecker_TMP_0~3#1, main_~node2__m2~15#1, main_~node1__m1~18#1, main_~__tmp_21~0#1, main_~assert__arg~20#1, main_~check__tmp~20#1, main_~node3____CPAchecker_TMP_1~3#1, main_~node2__m2~16#1, main_~node1__m1~19#1, main_~__tmp_22~0#1, main_~assert__arg~21#1, main_~check__tmp~21#1, main_~node3__m3~11#1, main_~node2__m2~0#1, main_~__tmp_24~0#1, main_~assert__arg~23#1, main_~check__tmp~23#1, main_~node3__m3~13#1, main_~node2__m2~18#1, main_~node1__m1~20#1, main_~__tmp_23~0#1, main_~assert__arg~22#1, main_~check__tmp~22#1, main_~node1____CPAchecker_TMP_0~4#1, main_~node1____CPAchecker_TMP_1~3#1, main_~node1__m1~22#1, main_~__tmp_26~0#1, main_~assert__arg~25#1, main_~check__tmp~25#1, main_~node3__m3~14#1, main_~node2__m2~19#1, main_~node1__m1~21#1, main_~__tmp_25~0#1, main_~assert__arg~24#1, main_~check__tmp~24#1, main_~node3____CPAchecker_TMP_0~4#1, main_~node3__m3~15#1, main_~node2__m2~20#1, main_~node1__m1~23#1, main_~__tmp_27~0#1, main_~assert__arg~26#1, main_~check__tmp~26#1, main_~node3____CPAchecker_TMP_1~4#1, main_~node3__m3~16#1, main_~node2__m2~21#1, main_~node1__m1~24#1, main_~__tmp_28~0#1, main_~assert__arg~27#1, main_~check__tmp~27#1, main_~node3__m3~12#1, main_~node1____CPAchecker_TMP_0~5#1, main_~node1____CPAchecker_TMP_1~4#1, main_~node1__m1~26#1, main_~__tmp_30~0#1, main_~assert__arg~29#1, main_~check__tmp~29#1, main_~node3__m3~18#1, main_~node2__m2~22#1, main_~node1__m1~25#1, main_~__tmp_29~0#1, main_~assert__arg~28#1, main_~check__tmp~28#1, main_~check__tmp~32#1, main_~node3____CPAchecker_TMP_0~6#1, main_~node3____CPAchecker_TMP_1~5#1, main_~node3__m3~20#1, main_~node2____CPAchecker_TMP_0~2#1, main_~node2____CPAchecker_TMP_1~1#1, main_~node2__m2~24#1, main_~node1____CPAchecker_TMP_0~6#1, main_~node1____CPAchecker_TMP_1~5#1, main_~node1__m1~28#1, main_~__tmp_32~0#1, main_~assert__arg~31#1, main_~check__tmp~31#1, main_~node3__m3~19#1, main_~node2__m2~23#1, main_~node1__m1~27#1, main_~__tmp_31~0#1, main_~assert__arg~30#1, main_~check__tmp~30#1, main_~node3____CPAchecker_TMP_0~5#1, main_~node1____CPAchecker_TMP_0~7#1, main_~node1____CPAchecker_TMP_1~6#1, main_~node1__m1~30#1, main_~__tmp_34~0#1, main_~assert__arg~33#1, main_~check__tmp~34#1, main_~node3__m3~21#1, main_~node2__m2~25#1, main_~node1__m1~29#1, main_~__tmp_33~0#1, main_~assert__arg~32#1, main_~check__tmp~33#1, main_~node3____CPAchecker_TMP_1~6#1, main_~node1____CPAchecker_TMP_0~8#1, main_~node1____CPAchecker_TMP_1~7#1, main_~node2____CPAchecker_TMP_0~3#1, main_~node2____CPAchecker_TMP_1~2#1, main_~node2__m2~27#1, main_~node1__m1~32#1, main_~__tmp_36~0#1, main_~assert__arg~35#1, main_~check__tmp~36#1, main_~node3__m3~22#1, main_~node2__m2~26#1, main_~node1__m1~31#1, main_~__tmp_35~0#1, main_~assert__arg~34#1, main_~check__tmp~35#1, main_~node3__m3~17#1, main_~node2____CPAchecker_TMP_0~1#1, main_~__tmp_38~0#1, main_~assert__arg~37#1, main_~check__tmp~38#1, main_~node3__m3~24#1, main_~node2__m2~28#1, main_~node1__m1~33#1, main_~__tmp_37~0#1, main_~assert__arg~36#1, main_~check__tmp~37#1, main_~node1____CPAchecker_TMP_0~9#1, main_~node1____CPAchecker_TMP_1~8#1, main_~node1__m1~35#1, main_~__tmp_40~0#1, main_~assert__arg~39#1, main_~check__tmp~40#1, main_~node3__m3~25#1, main_~node2__m2~29#1, main_~node1__m1~34#1, main_~__tmp_39~0#1, main_~assert__arg~38#1, main_~check__tmp~39#1, main_~node3____CPAchecker_TMP_0~7#1, main_~node3__m3~26#1, main_~node2__m2~30#1, main_~node1__m1~36#1, main_~__tmp_41~0#1, main_~assert__arg~40#1, main_~check__tmp~41#1, main_~node3____CPAchecker_TMP_1~7#1, main_~node3__m3~27#1, main_~node2__m2~31#1, main_~node1__m1~37#1, main_~__tmp_42~0#1, main_~assert__arg~41#1, main_~check__tmp~42#1, main_~node3__m3~23#1, main_~node2____CPAchecker_TMP_1~3#1, main_~node1____CPAchecker_TMP_0~10#1, main_~node1____CPAchecker_TMP_1~9#1, main_~node1__m1~39#1, main_~__tmp_44~0#1, main_~assert__arg~43#1, main_~check__tmp~44#1, main_~node3__m3~29#1, main_~node2__m2~32#1, main_~node1__m1~38#1, main_~__tmp_43~0#1, main_~assert__arg~42#1, main_~check__tmp~43#1, main_~node1____CPAchecker_TMP_0~11#1, main_~node1____CPAchecker_TMP_1~10#1, main_~node2____CPAchecker_TMP_1~4#1, main_~node2__m2~34#1, main_~node1__m1~41#1, main_~__tmp_46~0#1, main_~assert__arg~45#1, main_~check__tmp~46#1, main_~node3__m3~30#1, main_~node2__m2~33#1, main_~node1__m1~40#1, main_~__tmp_45~0#1, main_~assert__arg~44#1, main_~check__tmp~45#1, main_~node3____CPAchecker_TMP_0~8#1, main_~node1____CPAchecker_TMP_0~12#1, main_~node1____CPAchecker_TMP_1~11#1, main_~node1__m1~43#1, main_~__tmp_48~0#1, main_~assert__arg~47#1, main_~check__tmp~48#1, main_~node3__m3~31#1, main_~node2__m2~35#1, main_~node1__m1~42#1, main_~__tmp_47~0#1, main_~assert__arg~46#1, main_~check__tmp~47#1, main_~node3____CPAchecker_TMP_1~8#1, main_~node2____CPAchecker_TMP_0~4#1, main_~node2____CPAchecker_TMP_1~5#1, main_~node2__m2~37#1, main_~node2____CPAchecker_TMP_0~5#1, main_~node2____CPAchecker_TMP_1~6#1, main_~node2__m2~38#1, main_~node1____CPAchecker_TMP_0~13#1, main_~node1____CPAchecker_TMP_1~12#1, main_~node2____CPAchecker_TMP_1~7#1, main_~node2__m2~39#1, main_~node1__m1~45#1, main_~__tmp_50~0#1, main_~assert__arg~49#1, main_~check__tmp~50#1, main_~node3__m3~32#1, main_~node2__m2~36#1, main_~node1__m1~44#1, main_~__tmp_49~0#1, main_~assert__arg~48#1, main_~check__tmp~49#1, main_~node3__m3~28#1, main_~node2__m2~17#1, main_~node1____CPAchecker_TMP_0~0#1, main_~node1____CPAchecker_TMP_1~13#1, main_~node1__m1~46#1, main_~__tmp_51~0#1, main_~assert__arg~50#1, main_~check__tmp~51#1, main_~node1____CPAchecker_TMP_1~14#1, main_~node1__m1~48#1, main_~__tmp_53~0#1, main_~assert__arg~52#1, main_~check__tmp~53#1, main_~node3__m3~34#1, main_~node2__m2~41#1, main_~node1__m1~47#1, main_~__tmp_52~0#1, main_~assert__arg~51#1, main_~check__tmp~52#1, main_~node3____CPAchecker_TMP_0~9#1, main_~node1__m1~49#1, main_~__tmp_54~0#1, main_~assert__arg~53#1, main_~check__tmp~54#1, main_~node3____CPAchecker_TMP_1~9#1, main_~node3__m3~35#1, main_~node2__m2~42#1, main_~node1__m1~50#1, main_~__tmp_55~0#1, main_~assert__arg~54#1, main_~check__tmp~55#1, main_~node3__m3~33#1, main_~node1__m1~51#1, main_~__tmp_56~0#1, main_~assert__arg~55#1, main_~check__tmp~56#1, main_~node1____CPAchecker_TMP_1~15#1, main_~node2____CPAchecker_TMP_0~7#1, main_~node2____CPAchecker_TMP_1~8#1, main_~node2__m2~44#1, main_~node1__m1~53#1, main_~__tmp_58~0#1, main_~assert__arg~57#1, main_~check__tmp~58#1, main_~node3__m3~37#1, main_~node2__m2~43#1, main_~node1__m1~52#1, main_~__tmp_57~0#1, main_~assert__arg~56#1, main_~check__tmp~57#1, main_~node3____CPAchecker_TMP_0~10#1, main_~node1__m1~54#1, main_~__tmp_59~0#1, main_~assert__arg~58#1, main_~check__tmp~59#1, main_~node3____CPAchecker_TMP_1~10#1, main_~node2____CPAchecker_TMP_0~8#1, main_~node2____CPAchecker_TMP_1~9#1, main_~node2__m2~46#1, main_~node1____CPAchecker_TMP_1~16#1, main_~node1__m1~56#1, main_~__tmp_61~0#1, main_~assert__arg~60#1, main_~check__tmp~61#1, main_~node3__m3~38#1, main_~node2__m2~45#1, main_~node1__m1~55#1, main_~__tmp_60~0#1, main_~assert__arg~59#1, main_~check__tmp~60#1, main_~node3__m3~36#1, main_~node2____CPAchecker_TMP_0~6#1, main_~node1__m1~57#1, main_~__tmp_62~0#1, main_~assert__arg~61#1, main_~check__tmp~62#1, main_~node1____CPAchecker_TMP_1~17#1, main_~node1__m1~59#1, main_~__tmp_64~0#1, main_~assert__arg~63#1, main_~check__tmp~64#1, main_~node3__m3~40#1, main_~node2__m2~47#1, main_~node1__m1~58#1, main_~__tmp_63~0#1, main_~assert__arg~62#1, main_~check__tmp~63#1, main_~node3____CPAchecker_TMP_0~11#1, main_~node1__m1~60#1, main_~__tmp_65~0#1, main_~assert__arg~64#1, main_~check__tmp~65#1, main_~node3____CPAchecker_TMP_1~11#1, main_~node3__m3~41#1, main_~node2__m2~48#1, main_~node1__m1~61#1, main_~__tmp_66~0#1, main_~assert__arg~65#1, main_~check__tmp~66#1, main_~node3__m3~39#1, main_~node2____CPAchecker_TMP_1~10#1, main_~node1__m1~62#1, main_~__tmp_67~0#1, main_~assert__arg~66#1, main_~check__tmp~67#1, main_~node2____CPAchecker_TMP_0~9#1, main_~node2____CPAchecker_TMP_1~11#1, main_~node2__m2~50#1, main_~node1____CPAchecker_TMP_1~18#1, main_~node1__m1~64#1, main_~__tmp_69~0#1, main_~assert__arg~68#1, main_~check__tmp~69#1, main_~node3__m3~43#1, main_~node2__m2~49#1, main_~node1__m1~63#1, main_~__tmp_68~0#1, main_~assert__arg~67#1, main_~check__tmp~68#1, main_~node3____CPAchecker_TMP_0~12#1, main_~node1__m1~65#1, main_~__tmp_70~0#1, main_~assert__arg~69#1, main_~check__tmp~70#1, main_~node3____CPAchecker_TMP_1~12#1, main_~node2____CPAchecker_TMP_1~12#1, main_~node2__m2~52#1, main_~node1____CPAchecker_TMP_1~19#1, main_~node1__m1~67#1, main_~__tmp_72~0#1, main_~assert__arg~71#1, main_~check__tmp~72#1, main_~node3__m3~44#1, main_~node2__m2~51#1, main_~node1__m1~66#1, main_~__tmp_71~0#1, main_~assert__arg~70#1, main_~check__tmp~71#1, main_~node3__m3~42#1, main_~node2__m2~40#1, main_~node1__m1~0#1, main_~init__tmp~0#1, main_~main__c1~0#1, main_~main__i2~0#1;havoc main_~main__c1~0#1;havoc main_~main__i2~0#1;main_~main__c1~0#1 := 0;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -128 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 127;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -128 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 127;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -128 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 127;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -128 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 127;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -128 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 127;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -128 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 127;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;assume -128 <= main_#t~nondet15#1 && main_#t~nondet15#1 <= 127;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;assume -128 <= main_#t~nondet16#1 && main_#t~nondet16#1 <= 127;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume -128 <= main_#t~nondet17#1 && main_#t~nondet17#1 <= 127;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~init__tmp~0#1; {36462#(and (<= (+ ~nomsg~0 1) 0) (<= ~id1~0 (+ ~nomsg~0 128)) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:45:44,042 INFO L290 TraceCheckUtils]: 2: Hoare triple {36462#(and (<= (+ ~nomsg~0 1) 0) (<= ~id1~0 (+ ~nomsg~0 128)) (<= ~send1~0 (+ ~nomsg~0 128)))} assume 0 == ~r1~0 % 256; {36462#(and (<= (+ ~nomsg~0 1) 0) (<= ~id1~0 (+ ~nomsg~0 128)) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:45:44,042 INFO L290 TraceCheckUtils]: 3: Hoare triple {36462#(and (<= (+ ~nomsg~0 1) 0) (<= ~id1~0 (+ ~nomsg~0 128)) (<= ~send1~0 (+ ~nomsg~0 128)))} assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 >= 1; {36462#(and (<= (+ ~nomsg~0 1) 0) (<= ~id1~0 (+ ~nomsg~0 128)) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:45:44,043 INFO L290 TraceCheckUtils]: 4: Hoare triple {36462#(and (<= (+ ~nomsg~0 1) 0) (<= ~id1~0 (+ ~nomsg~0 128)) (<= ~send1~0 (+ ~nomsg~0 128)))} assume ~id1~0 >= 0; {36463#(and (<= (+ ~nomsg~0 1) ~id1~0) (<= ~id1~0 (+ ~nomsg~0 128)) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:45:44,043 INFO L290 TraceCheckUtils]: 5: Hoare triple {36463#(and (<= (+ ~nomsg~0 1) ~id1~0) (<= ~id1~0 (+ ~nomsg~0 128)) (<= ~send1~0 (+ ~nomsg~0 128)))} assume 0 == ~st1~0; {36463#(and (<= (+ ~nomsg~0 1) ~id1~0) (<= ~id1~0 (+ ~nomsg~0 128)) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:45:44,043 INFO L290 TraceCheckUtils]: 6: Hoare triple {36463#(and (<= (+ ~nomsg~0 1) ~id1~0) (<= ~id1~0 (+ ~nomsg~0 128)) (<= ~send1~0 (+ ~nomsg~0 128)))} assume ~send1~0 == ~id1~0; {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:45:44,058 INFO L290 TraceCheckUtils]: 7: Hoare triple {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume 0 == ~mode1~0 % 256; {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:45:44,059 INFO L290 TraceCheckUtils]: 8: Hoare triple {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume ~id2~0 >= 0; {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:45:44,060 INFO L290 TraceCheckUtils]: 9: Hoare triple {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume 0 == ~st2~0; {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:45:44,060 INFO L290 TraceCheckUtils]: 10: Hoare triple {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume ~send2~0 == ~id2~0; {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:45:44,060 INFO L290 TraceCheckUtils]: 11: Hoare triple {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume 0 == ~mode2~0 % 256; {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:45:44,061 INFO L290 TraceCheckUtils]: 12: Hoare triple {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume ~id3~0 >= 0; {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:45:44,061 INFO L290 TraceCheckUtils]: 13: Hoare triple {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume 0 == ~st3~0; {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:45:44,061 INFO L290 TraceCheckUtils]: 14: Hoare triple {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume ~send3~0 == ~id3~0; {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:45:44,062 INFO L290 TraceCheckUtils]: 15: Hoare triple {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume 0 == ~mode3~0 % 256; {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:45:44,062 INFO L290 TraceCheckUtils]: 16: Hoare triple {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume ~id1~0 != ~id2~0; {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:45:44,063 INFO L290 TraceCheckUtils]: 17: Hoare triple {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume ~id1~0 != ~id3~0; {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:45:44,063 INFO L290 TraceCheckUtils]: 18: Hoare triple {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume ~id2~0 != ~id3~0;main_~init__tmp~0#1 := 1;~__return_103~0 := main_~init__tmp~0#1;main_~main__i2~0#1 := ~__return_103~0; {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:45:44,065 INFO L290 TraceCheckUtils]: 19: Hoare triple {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} 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;main_~main__i2~0#1 := 0;havoc main_~node1__m1~0#1;main_~node1__m1~0#1 := ~nomsg~0; {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:45:44,065 INFO L290 TraceCheckUtils]: 20: Hoare triple {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume !!(0 == ~mode1~0 % 256); {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:45:44,065 INFO L290 TraceCheckUtils]: 21: Hoare triple {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume !(0 == ~alive1~0 % 256);havoc main_~node1____CPAchecker_TMP_0~0#1; {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:45:44,066 INFO L290 TraceCheckUtils]: 22: Hoare triple {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume ~send1~0 != ~nomsg~0; {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:45:44,067 INFO L290 TraceCheckUtils]: 23: Hoare triple {36464#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume ~p1_new~0 == ~nomsg~0;main_~node1____CPAchecker_TMP_0~0#1 := ~send1~0;~p1_new~0 := (if main_~node1____CPAchecker_TMP_0~0#1 % 256 <= 127 then main_~node1____CPAchecker_TMP_0~0#1 % 256 else main_~node1____CPAchecker_TMP_0~0#1 % 256 - 256); {36465#(not (= ~nomsg~0 ~p1_new~0))} is VALID [2022-02-20 18:45:44,067 INFO L290 TraceCheckUtils]: 24: Hoare triple {36465#(not (= ~nomsg~0 ~p1_new~0))} ~mode1~0 := 1;havoc main_~node2__m2~0#1;main_~node2__m2~0#1 := ~nomsg~0; {36465#(not (= ~nomsg~0 ~p1_new~0))} is VALID [2022-02-20 18:45:44,067 INFO L290 TraceCheckUtils]: 25: Hoare triple {36465#(not (= ~nomsg~0 ~p1_new~0))} assume !!(0 == ~mode2~0 % 256); {36465#(not (= ~nomsg~0 ~p1_new~0))} is VALID [2022-02-20 18:45:44,068 INFO L290 TraceCheckUtils]: 26: Hoare triple {36465#(not (= ~nomsg~0 ~p1_new~0))} assume !(0 == ~alive2~0 % 256);havoc main_~node2____CPAchecker_TMP_0~0#1; {36465#(not (= ~nomsg~0 ~p1_new~0))} is VALID [2022-02-20 18:45:44,068 INFO L290 TraceCheckUtils]: 27: Hoare triple {36465#(not (= ~nomsg~0 ~p1_new~0))} assume ~send2~0 != ~nomsg~0; {36465#(not (= ~nomsg~0 ~p1_new~0))} is VALID [2022-02-20 18:45:44,068 INFO L290 TraceCheckUtils]: 28: Hoare triple {36465#(not (= ~nomsg~0 ~p1_new~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);~mode2~0 := 1;havoc main_~node3__m3~0#1;main_~node3__m3~0#1 := ~nomsg~0; {36465#(not (= ~nomsg~0 ~p1_new~0))} is VALID [2022-02-20 18:45:44,068 INFO L290 TraceCheckUtils]: 29: Hoare triple {36465#(not (= ~nomsg~0 ~p1_new~0))} assume !!(0 == ~mode3~0 % 256); {36465#(not (= ~nomsg~0 ~p1_new~0))} is VALID [2022-02-20 18:45:44,069 INFO L290 TraceCheckUtils]: 30: Hoare triple {36465#(not (= ~nomsg~0 ~p1_new~0))} assume !(0 == ~alive3~0 % 256);havoc main_~node3____CPAchecker_TMP_0~0#1; {36465#(not (= ~nomsg~0 ~p1_new~0))} is VALID [2022-02-20 18:45:44,069 INFO L290 TraceCheckUtils]: 31: Hoare triple {36465#(not (= ~nomsg~0 ~p1_new~0))} assume ~send3~0 != ~nomsg~0; {36465#(not (= ~nomsg~0 ~p1_new~0))} is VALID [2022-02-20 18:45:44,070 INFO L290 TraceCheckUtils]: 32: Hoare triple {36465#(not (= ~nomsg~0 ~p1_new~0))} assume ~p3_new~0 == ~nomsg~0;main_~node3____CPAchecker_TMP_0~0#1 := ~send3~0;~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;~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;havoc main_~check__tmp~0#1; {36466#(not (= ~nomsg~0 ~p1_old~0))} is VALID [2022-02-20 18:45:44,070 INFO L290 TraceCheckUtils]: 33: Hoare triple {36466#(not (= ~nomsg~0 ~p1_old~0))} assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; {36466#(not (= ~nomsg~0 ~p1_old~0))} is VALID [2022-02-20 18:45:44,070 INFO L290 TraceCheckUtils]: 34: Hoare triple {36466#(not (= ~nomsg~0 ~p1_old~0))} assume ~r1~0 % 256 < 3;main_~check__tmp~0#1 := 1;~__return_1324~0 := main_~check__tmp~0#1;main_~main__c1~0#1 := ~__return_1324~0;havoc main_~__tmp_1~0#1;main_~__tmp_1~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~0#1;main_~assert__arg~0#1 := main_~__tmp_1~0#1; {36466#(not (= ~nomsg~0 ~p1_old~0))} is VALID [2022-02-20 18:45:44,070 INFO L290 TraceCheckUtils]: 35: Hoare triple {36466#(not (= ~nomsg~0 ~p1_old~0))} assume !(0 == main_~assert__arg~0#1 % 256);havoc main_~node1__m1~1#1;main_~node1__m1~1#1 := ~nomsg~0; {36466#(not (= ~nomsg~0 ~p1_old~0))} is VALID [2022-02-20 18:45:44,071 INFO L290 TraceCheckUtils]: 36: Hoare triple {36466#(not (= ~nomsg~0 ~p1_old~0))} assume !(0 == ~mode1~0 % 256); {36466#(not (= ~nomsg~0 ~p1_old~0))} is VALID [2022-02-20 18:45:44,071 INFO L290 TraceCheckUtils]: 37: Hoare triple {36466#(not (= ~nomsg~0 ~p1_old~0))} assume !(255 == ~r1~0 % 256);~r1~0 := 1 + ~r1~0 % 256;main_~node1__m1~1#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {36466#(not (= ~nomsg~0 ~p1_old~0))} is VALID [2022-02-20 18:45:44,071 INFO L290 TraceCheckUtils]: 38: Hoare triple {36466#(not (= ~nomsg~0 ~p1_old~0))} assume main_~node1__m1~1#1 != ~nomsg~0; {36466#(not (= ~nomsg~0 ~p1_old~0))} is VALID [2022-02-20 18:45:44,072 INFO L290 TraceCheckUtils]: 39: Hoare triple {36466#(not (= ~nomsg~0 ~p1_old~0))} assume !(0 == ~alive1~0 % 256); {36466#(not (= ~nomsg~0 ~p1_old~0))} is VALID [2022-02-20 18:45:44,072 INFO L290 TraceCheckUtils]: 40: Hoare triple {36466#(not (= ~nomsg~0 ~p1_old~0))} assume !(main_~node1__m1~1#1 > ~id1~0); {36466#(not (= ~nomsg~0 ~p1_old~0))} is VALID [2022-02-20 18:45:44,072 INFO L290 TraceCheckUtils]: 41: Hoare triple {36466#(not (= ~nomsg~0 ~p1_old~0))} assume main_~node1__m1~1#1 == ~id1~0;~st1~0 := 1;~mode1~0 := 0;havoc main_~node2__m2~1#1;main_~node2__m2~1#1 := ~nomsg~0; {36466#(not (= ~nomsg~0 ~p1_old~0))} is VALID [2022-02-20 18:45:44,073 INFO L290 TraceCheckUtils]: 42: Hoare triple {36466#(not (= ~nomsg~0 ~p1_old~0))} assume !(0 == ~mode2~0 % 256);main_~node2__m2~1#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {36467#(not (= ~nomsg~0 |ULTIMATE.start_main_~node2__m2~1#1|))} is VALID [2022-02-20 18:45:44,073 INFO L290 TraceCheckUtils]: 43: Hoare triple {36467#(not (= ~nomsg~0 |ULTIMATE.start_main_~node2__m2~1#1|))} assume !(main_~node2__m2~1#1 != ~nomsg~0);~mode2~0 := 0; {36460#false} is VALID [2022-02-20 18:45:44,073 INFO L290 TraceCheckUtils]: 44: Hoare triple {36460#false} havoc main_~node3__m3~13#1;main_~node3__m3~13#1 := ~nomsg~0; {36460#false} is VALID [2022-02-20 18:45:44,073 INFO L290 TraceCheckUtils]: 45: Hoare triple {36460#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~13#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {36460#false} is VALID [2022-02-20 18:45:44,073 INFO L290 TraceCheckUtils]: 46: Hoare triple {36460#false} assume main_~node3__m3~13#1 != ~nomsg~0; {36460#false} is VALID [2022-02-20 18:45:44,073 INFO L290 TraceCheckUtils]: 47: Hoare triple {36460#false} assume !(0 == ~alive3~0 % 256); {36460#false} is VALID [2022-02-20 18:45:44,074 INFO L290 TraceCheckUtils]: 48: Hoare triple {36460#false} assume !(main_~node3__m3~13#1 > ~id3~0); {36460#false} is VALID [2022-02-20 18:45:44,074 INFO L290 TraceCheckUtils]: 49: Hoare triple {36460#false} assume main_~node3__m3~13#1 == ~id3~0;~st3~0 := 1;~mode3~0 := 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;havoc main_~check__tmp~23#1; {36460#false} is VALID [2022-02-20 18:45:44,074 INFO L290 TraceCheckUtils]: 50: Hoare triple {36460#false} assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);main_~check__tmp~23#1 := 0;~__return_2313~0 := main_~check__tmp~23#1;main_~main__c1~0#1 := ~__return_2313~0;havoc main_~__tmp_24~0#1;main_~__tmp_24~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~23#1;main_~assert__arg~23#1 := main_~__tmp_24~0#1; {36460#false} is VALID [2022-02-20 18:45:44,074 INFO L290 TraceCheckUtils]: 51: Hoare triple {36460#false} assume 0 == main_~assert__arg~23#1 % 256; {36460#false} is VALID [2022-02-20 18:45:44,074 INFO L290 TraceCheckUtils]: 52: Hoare triple {36460#false} assume !false; {36460#false} is VALID [2022-02-20 18:45:44,074 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 18:45:44,079 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:45:44,079 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659517144] [2022-02-20 18:45:44,079 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659517144] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:45:44,080 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:45:44,080 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-20 18:45:44,080 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447540615] [2022-02-20 18:45:44,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:45:44,081 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 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 53 [2022-02-20 18:45:44,082 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:45:44,082 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 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 18:45:44,129 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:45:44,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-20 18:45:44,132 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:45:44,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-20 18:45:44,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-02-20 18:45:44,133 INFO L87 Difference]: Start difference. First operand 3035 states and 4170 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 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 18:45:59,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:45:59,866 INFO L93 Difference]: Finished difference Result 6107 states and 8640 transitions. [2022-02-20 18:45:59,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-20 18:45:59,867 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 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 53 [2022-02-20 18:45:59,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:45:59,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 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 18:45:59,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2424 transitions. [2022-02-20 18:45:59,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 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 18:45:59,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2424 transitions. [2022-02-20 18:45:59,888 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states and 2424 transitions. [2022-02-20 18:46:01,502 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 2424 edges. 2424 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:46:02,567 INFO L225 Difference]: With dead ends: 6107 [2022-02-20 18:46:02,567 INFO L226 Difference]: Without dead ends: 5550 [2022-02-20 18:46:02,568 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-02-20 18:46:02,571 INFO L933 BasicCegarLoop]: 701 mSDtfsCounter, 5840 mSDsluCounter, 3124 mSDsCounter, 0 mSdLazyCounter, 4068 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5840 SdHoareTripleChecker+Valid, 3825 SdHoareTripleChecker+Invalid, 4244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 4068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-02-20 18:46:02,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5840 Valid, 3825 Invalid, 4244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 4068 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-02-20 18:46:02,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5550 states. [2022-02-20 18:46:05,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5550 to 3035. [2022-02-20 18:46:05,615 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:46:05,619 INFO L82 GeneralOperation]: Start isEquivalent. First operand 5550 states. Second operand has 3035 states, 3029 states have (on average 1.3763618355893035) internal successors, (4169), 3034 states have internal predecessors, (4169), 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 18:46:05,621 INFO L74 IsIncluded]: Start isIncluded. First operand 5550 states. Second operand has 3035 states, 3029 states have (on average 1.3763618355893035) internal successors, (4169), 3034 states have internal predecessors, (4169), 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 18:46:05,625 INFO L87 Difference]: Start difference. First operand 5550 states. Second operand has 3035 states, 3029 states have (on average 1.3763618355893035) internal successors, (4169), 3034 states have internal predecessors, (4169), 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 18:46:06,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:46:06,444 INFO L93 Difference]: Finished difference Result 5550 states and 7780 transitions. [2022-02-20 18:46:06,444 INFO L276 IsEmpty]: Start isEmpty. Operand 5550 states and 7780 transitions. [2022-02-20 18:46:06,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:46:06,449 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:46:06,453 INFO L74 IsIncluded]: Start isIncluded. First operand has 3035 states, 3029 states have (on average 1.3763618355893035) internal successors, (4169), 3034 states have internal predecessors, (4169), 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 5550 states. [2022-02-20 18:46:06,455 INFO L87 Difference]: Start difference. First operand has 3035 states, 3029 states have (on average 1.3763618355893035) internal successors, (4169), 3034 states have internal predecessors, (4169), 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 5550 states. [2022-02-20 18:46:07,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:46:07,262 INFO L93 Difference]: Finished difference Result 5550 states and 7780 transitions. [2022-02-20 18:46:07,262 INFO L276 IsEmpty]: Start isEmpty. Operand 5550 states and 7780 transitions. [2022-02-20 18:46:07,267 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:46:07,267 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:46:07,267 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:46:07,267 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:46:07,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3035 states, 3029 states have (on average 1.3763618355893035) internal successors, (4169), 3034 states have internal predecessors, (4169), 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 18:46:07,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 3035 states and 4169 transitions. [2022-02-20 18:46:07,624 INFO L78 Accepts]: Start accepts. Automaton has 3035 states and 4169 transitions. Word has length 53 [2022-02-20 18:46:07,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:46:07,624 INFO L470 AbstractCegarLoop]: Abstraction has 3035 states and 4169 transitions. [2022-02-20 18:46:07,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 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 18:46:07,625 INFO L276 IsEmpty]: Start isEmpty. Operand 3035 states and 4169 transitions. [2022-02-20 18:46:07,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-02-20 18:46:07,626 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:46:07,626 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:46:07,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 18:46:07,626 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-20 18:46:07,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:46:07,627 INFO L85 PathProgramCache]: Analyzing trace with hash 303472925, now seen corresponding path program 1 times [2022-02-20 18:46:07,627 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:46:07,627 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674393137] [2022-02-20 18:46:07,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:46:07,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:46:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:46:07,749 INFO L290 TraceCheckUtils]: 0: Hoare triple {59839#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(63, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~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];~__return_103~0 := 0;~__return_1324~0 := 0;~__return_3691~0 := 0;~__return_1314~0 := 0;~__return_3554~0 := 0;~__return_1344~0 := 0;~__return_1334~0 := 0;~__return_1284~0 := 0;~__return_3245~0 := 0;~__return_1274~0 := 0;~__return_3134~0 := 0;~__return_1304~0 := 0;~__return_3443~0 := 0;~__return_1294~0 := 0;~__return_3332~0 := 0;~__return_1404~0 := 0;~__return_1394~0 := 0;~__return_1424~0 := 0;~__return_1414~0 := 0;~__return_1364~0 := 0;~__return_1354~0 := 0;~__return_1384~0 := 0;~__return_1374~0 := 0;~__return_1164~0 := 0;~__return_2313~0 := 0;~__return_1154~0 := 0;~__return_2202~0 := 0;~__return_1184~0 := 0;~__return_1174~0 := 0;~__return_1124~0 := 0;~__return_1967~0 := 0;~__return_1114~0 := 0;~__return_1880~0 := 0;~__return_5121~0 := 0;~__return_1144~0 := 0;~__return_2115~0 := 0;~__return_1134~0 := 0;~__return_2028~0 := 0;~__return_1244~0 := 0;~__return_2927~0 := 0;~__return_1234~0 := 0;~__return_2816~0 := 0;~__return_1264~0 := 0;~__return_1254~0 := 0;~__return_1204~0 := 0;~__return_2581~0 := 0;~__return_1194~0 := 0;~__return_2494~0 := 0;~__return_1224~0 := 0;~__return_2729~0 := 0;~__return_1214~0 := 0;~__return_2642~0 := 0;~__return_1484~0 := 0;~__return_1474~0 := 0;~__return_4505~0 := 0;~__return_1504~0 := 0;~__return_1494~0 := 0;~__return_1444~0 := 0;~__return_1434~0 := 0;~__return_4311~0 := 0;~__return_1464~0 := 0;~__return_1454~0 := 0;~__return_4395~0 := 0;~__return_1564~0 := 0;~__return_1554~0 := 0;~__return_4853~0 := 0;~__return_1584~0 := 0;~__return_1574~0 := 0;~__return_1524~0 := 0;~__return_1514~0 := 0;~__return_4659~0 := 0;~__return_1544~0 := 0;~__return_1534~0 := 0;~__return_4743~0 := 0; {59841#(and (<= (+ ~nomsg~0 1) 0) (<= 0 (+ ~nomsg~0 1)))} is VALID [2022-02-20 18:46:07,750 INFO L290 TraceCheckUtils]: 1: Hoare triple {59841#(and (<= (+ ~nomsg~0 1) 0) (<= 0 (+ ~nomsg~0 1)))} 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_~node1____CPAchecker_TMP_0~1#1, main_~node1____CPAchecker_TMP_1~0#1, main_~node1__m1~2#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~1#1, main_~node3__m3~1#1, main_~node2__m2~1#1, main_~node1__m1~1#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~3#1, main_~node3__m3~2#1, main_~node2__m2~2#1, main_~node1__m1~3#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~2#1, main_~node3____CPAchecker_TMP_0~0#1, main_~node3__m3~3#1, main_~node2__m2~3#1, main_~node1__m1~4#1, main_~__tmp_5~0#1, main_~assert__arg~4#1, main_~check__tmp~4#1, main_~node3____CPAchecker_TMP_1~0#1, main_~node3__m3~4#1, main_~node2__m2~4#1, main_~node1__m1~5#1, main_~__tmp_6~0#1, main_~assert__arg~5#1, main_~check__tmp~5#1, main_~node3__m3~0#1, main_~__tmp_8~0#1, main_~assert__arg~7#1, main_~check__tmp~7#1, main_~node3__m3~6#1, main_~node2__m2~5#1, main_~node1__m1~6#1, main_~__tmp_7~0#1, main_~assert__arg~6#1, main_~check__tmp~6#1, main_~node1____CPAchecker_TMP_0~2#1, main_~node1____CPAchecker_TMP_1~1#1, main_~node1__m1~8#1, main_~__tmp_10~0#1, main_~assert__arg~9#1, main_~check__tmp~9#1, main_~node3__m3~7#1, main_~node2__m2~6#1, main_~node1__m1~7#1, main_~__tmp_9~0#1, main_~assert__arg~8#1, main_~check__tmp~8#1, main_~node3____CPAchecker_TMP_0~1#1, main_~__tmp_12~0#1, main_~assert__arg~11#1, main_~check__tmp~11#1, main_~node3__m3~8#1, main_~node2__m2~7#1, main_~node1__m1~9#1, main_~__tmp_11~0#1, main_~assert__arg~10#1, main_~check__tmp~10#1, main_~node3____CPAchecker_TMP_1~1#1, main_~node1____CPAchecker_TMP_0~3#1, main_~node1____CPAchecker_TMP_1~2#1, main_~node1__m1~11#1, main_~__tmp_14~0#1, main_~assert__arg~13#1, main_~check__tmp~13#1, main_~node3__m3~9#1, main_~node2__m2~8#1, main_~node1__m1~10#1, main_~__tmp_13~0#1, main_~assert__arg~12#1, main_~check__tmp~12#1, main_~node3__m3~5#1, main_~node2____CPAchecker_TMP_0~0#1, main_~node2__m2~9#1, main_~node1__m1~12#1, main_~__tmp_15~0#1, main_~assert__arg~14#1, main_~check__tmp~14#1, main_~node2__m2~10#1, main_~node1__m1~13#1, main_~__tmp_16~0#1, main_~assert__arg~15#1, main_~check__tmp~15#1, main_~node3____CPAchecker_TMP_0~2#1, main_~node2__m2~11#1, main_~node1__m1~14#1, main_~__tmp_17~0#1, main_~assert__arg~16#1, main_~check__tmp~16#1, main_~node3____CPAchecker_TMP_1~2#1, main_~node2__m2~12#1, main_~node1__m1~15#1, main_~__tmp_18~0#1, main_~assert__arg~17#1, main_~check__tmp~17#1, main_~node3__m3~10#1, main_~node2____CPAchecker_TMP_1~0#1, main_~node2__m2~13#1, main_~node1__m1~16#1, main_~__tmp_19~0#1, main_~assert__arg~18#1, main_~check__tmp~18#1, main_~node2__m2~14#1, main_~node1__m1~17#1, main_~__tmp_20~0#1, main_~assert__arg~19#1, main_~check__tmp~19#1, main_~node3____CPAchecker_TMP_0~3#1, main_~node2__m2~15#1, main_~node1__m1~18#1, main_~__tmp_21~0#1, main_~assert__arg~20#1, main_~check__tmp~20#1, main_~node3____CPAchecker_TMP_1~3#1, main_~node2__m2~16#1, main_~node1__m1~19#1, main_~__tmp_22~0#1, main_~assert__arg~21#1, main_~check__tmp~21#1, main_~node3__m3~11#1, main_~node2__m2~0#1, main_~__tmp_24~0#1, main_~assert__arg~23#1, main_~check__tmp~23#1, main_~node3__m3~13#1, main_~node2__m2~18#1, main_~node1__m1~20#1, main_~__tmp_23~0#1, main_~assert__arg~22#1, main_~check__tmp~22#1, main_~node1____CPAchecker_TMP_0~4#1, main_~node1____CPAchecker_TMP_1~3#1, main_~node1__m1~22#1, main_~__tmp_26~0#1, main_~assert__arg~25#1, main_~check__tmp~25#1, main_~node3__m3~14#1, main_~node2__m2~19#1, main_~node1__m1~21#1, main_~__tmp_25~0#1, main_~assert__arg~24#1, main_~check__tmp~24#1, main_~node3____CPAchecker_TMP_0~4#1, main_~node3__m3~15#1, main_~node2__m2~20#1, main_~node1__m1~23#1, main_~__tmp_27~0#1, main_~assert__arg~26#1, main_~check__tmp~26#1, main_~node3____CPAchecker_TMP_1~4#1, main_~node3__m3~16#1, main_~node2__m2~21#1, main_~node1__m1~24#1, main_~__tmp_28~0#1, main_~assert__arg~27#1, main_~check__tmp~27#1, main_~node3__m3~12#1, main_~node1____CPAchecker_TMP_0~5#1, main_~node1____CPAchecker_TMP_1~4#1, main_~node1__m1~26#1, main_~__tmp_30~0#1, main_~assert__arg~29#1, main_~check__tmp~29#1, main_~node3__m3~18#1, main_~node2__m2~22#1, main_~node1__m1~25#1, main_~__tmp_29~0#1, main_~assert__arg~28#1, main_~check__tmp~28#1, main_~check__tmp~32#1, main_~node3____CPAchecker_TMP_0~6#1, main_~node3____CPAchecker_TMP_1~5#1, main_~node3__m3~20#1, main_~node2____CPAchecker_TMP_0~2#1, main_~node2____CPAchecker_TMP_1~1#1, main_~node2__m2~24#1, main_~node1____CPAchecker_TMP_0~6#1, main_~node1____CPAchecker_TMP_1~5#1, main_~node1__m1~28#1, main_~__tmp_32~0#1, main_~assert__arg~31#1, main_~check__tmp~31#1, main_~node3__m3~19#1, main_~node2__m2~23#1, main_~node1__m1~27#1, main_~__tmp_31~0#1, main_~assert__arg~30#1, main_~check__tmp~30#1, main_~node3____CPAchecker_TMP_0~5#1, main_~node1____CPAchecker_TMP_0~7#1, main_~node1____CPAchecker_TMP_1~6#1, main_~node1__m1~30#1, main_~__tmp_34~0#1, main_~assert__arg~33#1, main_~check__tmp~34#1, main_~node3__m3~21#1, main_~node2__m2~25#1, main_~node1__m1~29#1, main_~__tmp_33~0#1, main_~assert__arg~32#1, main_~check__tmp~33#1, main_~node3____CPAchecker_TMP_1~6#1, main_~node1____CPAchecker_TMP_0~8#1, main_~node1____CPAchecker_TMP_1~7#1, main_~node2____CPAchecker_TMP_0~3#1, main_~node2____CPAchecker_TMP_1~2#1, main_~node2__m2~27#1, main_~node1__m1~32#1, main_~__tmp_36~0#1, main_~assert__arg~35#1, main_~check__tmp~36#1, main_~node3__m3~22#1, main_~node2__m2~26#1, main_~node1__m1~31#1, main_~__tmp_35~0#1, main_~assert__arg~34#1, main_~check__tmp~35#1, main_~node3__m3~17#1, main_~node2____CPAchecker_TMP_0~1#1, main_~__tmp_38~0#1, main_~assert__arg~37#1, main_~check__tmp~38#1, main_~node3__m3~24#1, main_~node2__m2~28#1, main_~node1__m1~33#1, main_~__tmp_37~0#1, main_~assert__arg~36#1, main_~check__tmp~37#1, main_~node1____CPAchecker_TMP_0~9#1, main_~node1____CPAchecker_TMP_1~8#1, main_~node1__m1~35#1, main_~__tmp_40~0#1, main_~assert__arg~39#1, main_~check__tmp~40#1, main_~node3__m3~25#1, main_~node2__m2~29#1, main_~node1__m1~34#1, main_~__tmp_39~0#1, main_~assert__arg~38#1, main_~check__tmp~39#1, main_~node3____CPAchecker_TMP_0~7#1, main_~node3__m3~26#1, main_~node2__m2~30#1, main_~node1__m1~36#1, main_~__tmp_41~0#1, main_~assert__arg~40#1, main_~check__tmp~41#1, main_~node3____CPAchecker_TMP_1~7#1, main_~node3__m3~27#1, main_~node2__m2~31#1, main_~node1__m1~37#1, main_~__tmp_42~0#1, main_~assert__arg~41#1, main_~check__tmp~42#1, main_~node3__m3~23#1, main_~node2____CPAchecker_TMP_1~3#1, main_~node1____CPAchecker_TMP_0~10#1, main_~node1____CPAchecker_TMP_1~9#1, main_~node1__m1~39#1, main_~__tmp_44~0#1, main_~assert__arg~43#1, main_~check__tmp~44#1, main_~node3__m3~29#1, main_~node2__m2~32#1, main_~node1__m1~38#1, main_~__tmp_43~0#1, main_~assert__arg~42#1, main_~check__tmp~43#1, main_~node1____CPAchecker_TMP_0~11#1, main_~node1____CPAchecker_TMP_1~10#1, main_~node2____CPAchecker_TMP_1~4#1, main_~node2__m2~34#1, main_~node1__m1~41#1, main_~__tmp_46~0#1, main_~assert__arg~45#1, main_~check__tmp~46#1, main_~node3__m3~30#1, main_~node2__m2~33#1, main_~node1__m1~40#1, main_~__tmp_45~0#1, main_~assert__arg~44#1, main_~check__tmp~45#1, main_~node3____CPAchecker_TMP_0~8#1, main_~node1____CPAchecker_TMP_0~12#1, main_~node1____CPAchecker_TMP_1~11#1, main_~node1__m1~43#1, main_~__tmp_48~0#1, main_~assert__arg~47#1, main_~check__tmp~48#1, main_~node3__m3~31#1, main_~node2__m2~35#1, main_~node1__m1~42#1, main_~__tmp_47~0#1, main_~assert__arg~46#1, main_~check__tmp~47#1, main_~node3____CPAchecker_TMP_1~8#1, main_~node2____CPAchecker_TMP_0~4#1, main_~node2____CPAchecker_TMP_1~5#1, main_~node2__m2~37#1, main_~node2____CPAchecker_TMP_0~5#1, main_~node2____CPAchecker_TMP_1~6#1, main_~node2__m2~38#1, main_~node1____CPAchecker_TMP_0~13#1, main_~node1____CPAchecker_TMP_1~12#1, main_~node2____CPAchecker_TMP_1~7#1, main_~node2__m2~39#1, main_~node1__m1~45#1, main_~__tmp_50~0#1, main_~assert__arg~49#1, main_~check__tmp~50#1, main_~node3__m3~32#1, main_~node2__m2~36#1, main_~node1__m1~44#1, main_~__tmp_49~0#1, main_~assert__arg~48#1, main_~check__tmp~49#1, main_~node3__m3~28#1, main_~node2__m2~17#1, main_~node1____CPAchecker_TMP_0~0#1, main_~node1____CPAchecker_TMP_1~13#1, main_~node1__m1~46#1, main_~__tmp_51~0#1, main_~assert__arg~50#1, main_~check__tmp~51#1, main_~node1____CPAchecker_TMP_1~14#1, main_~node1__m1~48#1, main_~__tmp_53~0#1, main_~assert__arg~52#1, main_~check__tmp~53#1, main_~node3__m3~34#1, main_~node2__m2~41#1, main_~node1__m1~47#1, main_~__tmp_52~0#1, main_~assert__arg~51#1, main_~check__tmp~52#1, main_~node3____CPAchecker_TMP_0~9#1, main_~node1__m1~49#1, main_~__tmp_54~0#1, main_~assert__arg~53#1, main_~check__tmp~54#1, main_~node3____CPAchecker_TMP_1~9#1, main_~node3__m3~35#1, main_~node2__m2~42#1, main_~node1__m1~50#1, main_~__tmp_55~0#1, main_~assert__arg~54#1, main_~check__tmp~55#1, main_~node3__m3~33#1, main_~node1__m1~51#1, main_~__tmp_56~0#1, main_~assert__arg~55#1, main_~check__tmp~56#1, main_~node1____CPAchecker_TMP_1~15#1, main_~node2____CPAchecker_TMP_0~7#1, main_~node2____CPAchecker_TMP_1~8#1, main_~node2__m2~44#1, main_~node1__m1~53#1, main_~__tmp_58~0#1, main_~assert__arg~57#1, main_~check__tmp~58#1, main_~node3__m3~37#1, main_~node2__m2~43#1, main_~node1__m1~52#1, main_~__tmp_57~0#1, main_~assert__arg~56#1, main_~check__tmp~57#1, main_~node3____CPAchecker_TMP_0~10#1, main_~node1__m1~54#1, main_~__tmp_59~0#1, main_~assert__arg~58#1, main_~check__tmp~59#1, main_~node3____CPAchecker_TMP_1~10#1, main_~node2____CPAchecker_TMP_0~8#1, main_~node2____CPAchecker_TMP_1~9#1, main_~node2__m2~46#1, main_~node1____CPAchecker_TMP_1~16#1, main_~node1__m1~56#1, main_~__tmp_61~0#1, main_~assert__arg~60#1, main_~check__tmp~61#1, main_~node3__m3~38#1, main_~node2__m2~45#1, main_~node1__m1~55#1, main_~__tmp_60~0#1, main_~assert__arg~59#1, main_~check__tmp~60#1, main_~node3__m3~36#1, main_~node2____CPAchecker_TMP_0~6#1, main_~node1__m1~57#1, main_~__tmp_62~0#1, main_~assert__arg~61#1, main_~check__tmp~62#1, main_~node1____CPAchecker_TMP_1~17#1, main_~node1__m1~59#1, main_~__tmp_64~0#1, main_~assert__arg~63#1, main_~check__tmp~64#1, main_~node3__m3~40#1, main_~node2__m2~47#1, main_~node1__m1~58#1, main_~__tmp_63~0#1, main_~assert__arg~62#1, main_~check__tmp~63#1, main_~node3____CPAchecker_TMP_0~11#1, main_~node1__m1~60#1, main_~__tmp_65~0#1, main_~assert__arg~64#1, main_~check__tmp~65#1, main_~node3____CPAchecker_TMP_1~11#1, main_~node3__m3~41#1, main_~node2__m2~48#1, main_~node1__m1~61#1, main_~__tmp_66~0#1, main_~assert__arg~65#1, main_~check__tmp~66#1, main_~node3__m3~39#1, main_~node2____CPAchecker_TMP_1~10#1, main_~node1__m1~62#1, main_~__tmp_67~0#1, main_~assert__arg~66#1, main_~check__tmp~67#1, main_~node2____CPAchecker_TMP_0~9#1, main_~node2____CPAchecker_TMP_1~11#1, main_~node2__m2~50#1, main_~node1____CPAchecker_TMP_1~18#1, main_~node1__m1~64#1, main_~__tmp_69~0#1, main_~assert__arg~68#1, main_~check__tmp~69#1, main_~node3__m3~43#1, main_~node2__m2~49#1, main_~node1__m1~63#1, main_~__tmp_68~0#1, main_~assert__arg~67#1, main_~check__tmp~68#1, main_~node3____CPAchecker_TMP_0~12#1, main_~node1__m1~65#1, main_~__tmp_70~0#1, main_~assert__arg~69#1, main_~check__tmp~70#1, main_~node3____CPAchecker_TMP_1~12#1, main_~node2____CPAchecker_TMP_1~12#1, main_~node2__m2~52#1, main_~node1____CPAchecker_TMP_1~19#1, main_~node1__m1~67#1, main_~__tmp_72~0#1, main_~assert__arg~71#1, main_~check__tmp~72#1, main_~node3__m3~44#1, main_~node2__m2~51#1, main_~node1__m1~66#1, main_~__tmp_71~0#1, main_~assert__arg~70#1, main_~check__tmp~71#1, main_~node3__m3~42#1, main_~node2__m2~40#1, main_~node1__m1~0#1, main_~init__tmp~0#1, main_~main__c1~0#1, main_~main__i2~0#1;havoc main_~main__c1~0#1;havoc main_~main__i2~0#1;main_~main__c1~0#1 := 0;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -128 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 127;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -128 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 127;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -128 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 127;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -128 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 127;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -128 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 127;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -128 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 127;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;assume -128 <= main_#t~nondet15#1 && main_#t~nondet15#1 <= 127;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;assume -128 <= main_#t~nondet16#1 && main_#t~nondet16#1 <= 127;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume -128 <= main_#t~nondet17#1 && main_#t~nondet17#1 <= 127;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_~init__tmp~0#1; {59842#(and (<= (+ ~nomsg~0 1) 0) (<= ~id2~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:46:07,751 INFO L290 TraceCheckUtils]: 2: Hoare triple {59842#(and (<= (+ ~nomsg~0 1) 0) (<= ~id2~0 (+ ~nomsg~0 128)))} assume 0 == ~r1~0 % 256; {59842#(and (<= (+ ~nomsg~0 1) 0) (<= ~id2~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:46:07,751 INFO L290 TraceCheckUtils]: 3: Hoare triple {59842#(and (<= (+ ~nomsg~0 1) 0) (<= ~id2~0 (+ ~nomsg~0 128)))} assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 >= 1; {59842#(and (<= (+ ~nomsg~0 1) 0) (<= ~id2~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:46:07,752 INFO L290 TraceCheckUtils]: 4: Hoare triple {59842#(and (<= (+ ~nomsg~0 1) 0) (<= ~id2~0 (+ ~nomsg~0 128)))} assume ~id1~0 >= 0; {59842#(and (<= (+ ~nomsg~0 1) 0) (<= ~id2~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:46:07,752 INFO L290 TraceCheckUtils]: 5: Hoare triple {59842#(and (<= (+ ~nomsg~0 1) 0) (<= ~id2~0 (+ ~nomsg~0 128)))} assume 0 == ~st1~0; {59842#(and (<= (+ ~nomsg~0 1) 0) (<= ~id2~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:46:07,752 INFO L290 TraceCheckUtils]: 6: Hoare triple {59842#(and (<= (+ ~nomsg~0 1) 0) (<= ~id2~0 (+ ~nomsg~0 128)))} assume ~send1~0 == ~id1~0; {59842#(and (<= (+ ~nomsg~0 1) 0) (<= ~id2~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:46:07,753 INFO L290 TraceCheckUtils]: 7: Hoare triple {59842#(and (<= (+ ~nomsg~0 1) 0) (<= ~id2~0 (+ ~nomsg~0 128)))} assume 0 == ~mode1~0 % 256; {59842#(and (<= (+ ~nomsg~0 1) 0) (<= ~id2~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:46:07,753 INFO L290 TraceCheckUtils]: 8: Hoare triple {59842#(and (<= (+ ~nomsg~0 1) 0) (<= ~id2~0 (+ ~nomsg~0 128)))} assume ~id2~0 >= 0; {59843#(and (<= (+ ~nomsg~0 1) ~id2~0) (<= ~id2~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:46:07,754 INFO L290 TraceCheckUtils]: 9: Hoare triple {59843#(and (<= (+ ~nomsg~0 1) ~id2~0) (<= ~id2~0 (+ ~nomsg~0 128)))} assume 0 == ~st2~0; {59843#(and (<= (+ ~nomsg~0 1) ~id2~0) (<= ~id2~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:46:07,754 INFO L290 TraceCheckUtils]: 10: Hoare triple {59843#(and (<= (+ ~nomsg~0 1) ~id2~0) (<= ~id2~0 (+ ~nomsg~0 128)))} assume ~send2~0 == ~id2~0; {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:46:07,754 INFO L290 TraceCheckUtils]: 11: Hoare triple {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} assume 0 == ~mode2~0 % 256; {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:46:07,755 INFO L290 TraceCheckUtils]: 12: Hoare triple {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} assume ~id3~0 >= 0; {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:46:07,755 INFO L290 TraceCheckUtils]: 13: Hoare triple {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} assume 0 == ~st3~0; {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:46:07,755 INFO L290 TraceCheckUtils]: 14: Hoare triple {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} assume ~send3~0 == ~id3~0; {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:46:07,756 INFO L290 TraceCheckUtils]: 15: Hoare triple {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} assume 0 == ~mode3~0 % 256; {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:46:07,756 INFO L290 TraceCheckUtils]: 16: Hoare triple {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} assume ~id1~0 != ~id2~0; {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:46:07,757 INFO L290 TraceCheckUtils]: 17: Hoare triple {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} assume ~id1~0 != ~id3~0; {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:46:07,757 INFO L290 TraceCheckUtils]: 18: Hoare triple {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} assume ~id2~0 != ~id3~0;main_~init__tmp~0#1 := 1;~__return_103~0 := main_~init__tmp~0#1;main_~main__i2~0#1 := ~__return_103~0; {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:46:07,758 INFO L290 TraceCheckUtils]: 19: Hoare triple {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} 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;main_~main__i2~0#1 := 0;havoc main_~node1__m1~0#1;main_~node1__m1~0#1 := ~nomsg~0; {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:46:07,758 INFO L290 TraceCheckUtils]: 20: Hoare triple {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} assume !!(0 == ~mode1~0 % 256); {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:46:07,759 INFO L290 TraceCheckUtils]: 21: Hoare triple {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} assume !(0 == ~alive1~0 % 256);havoc main_~node1____CPAchecker_TMP_0~0#1; {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:46:07,759 INFO L290 TraceCheckUtils]: 22: Hoare triple {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} assume ~send1~0 != ~nomsg~0; {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:46:07,760 INFO L290 TraceCheckUtils]: 23: Hoare triple {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} assume ~p1_new~0 == ~nomsg~0;main_~node1____CPAchecker_TMP_0~0#1 := ~send1~0;~p1_new~0 := (if main_~node1____CPAchecker_TMP_0~0#1 % 256 <= 127 then main_~node1____CPAchecker_TMP_0~0#1 % 256 else main_~node1____CPAchecker_TMP_0~0#1 % 256 - 256); {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:46:07,760 INFO L290 TraceCheckUtils]: 24: Hoare triple {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} ~mode1~0 := 1;havoc main_~node2__m2~0#1;main_~node2__m2~0#1 := ~nomsg~0; {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:46:07,760 INFO L290 TraceCheckUtils]: 25: Hoare triple {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} assume !!(0 == ~mode2~0 % 256); {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:46:07,761 INFO L290 TraceCheckUtils]: 26: Hoare triple {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} assume !(0 == ~alive2~0 % 256);havoc main_~node2____CPAchecker_TMP_0~0#1; {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:46:07,761 INFO L290 TraceCheckUtils]: 27: Hoare triple {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} assume ~send2~0 != ~nomsg~0; {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:46:07,762 INFO L290 TraceCheckUtils]: 28: Hoare triple {59844#(and (<= (+ ~nomsg~0 1) ~send2~0) (<= ~send2~0 (+ ~nomsg~0 128)))} 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);~mode2~0 := 1;havoc main_~node3__m3~0#1;main_~node3__m3~0#1 := ~nomsg~0; {59845#(not (= ~nomsg~0 ~p2_new~0))} is VALID [2022-02-20 18:46:07,762 INFO L290 TraceCheckUtils]: 29: Hoare triple {59845#(not (= ~nomsg~0 ~p2_new~0))} assume !!(0 == ~mode3~0 % 256); {59845#(not (= ~nomsg~0 ~p2_new~0))} is VALID [2022-02-20 18:46:07,763 INFO L290 TraceCheckUtils]: 30: Hoare triple {59845#(not (= ~nomsg~0 ~p2_new~0))} assume !(0 == ~alive3~0 % 256);havoc main_~node3____CPAchecker_TMP_0~0#1; {59845#(not (= ~nomsg~0 ~p2_new~0))} is VALID [2022-02-20 18:46:07,767 INFO L290 TraceCheckUtils]: 31: Hoare triple {59845#(not (= ~nomsg~0 ~p2_new~0))} assume ~send3~0 != ~nomsg~0; {59845#(not (= ~nomsg~0 ~p2_new~0))} is VALID [2022-02-20 18:46:07,768 INFO L290 TraceCheckUtils]: 32: Hoare triple {59845#(not (= ~nomsg~0 ~p2_new~0))} assume ~p3_new~0 == ~nomsg~0;main_~node3____CPAchecker_TMP_0~0#1 := ~send3~0;~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;~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;havoc main_~check__tmp~0#1; {59846#(not (= ~nomsg~0 ~p2_old~0))} is VALID [2022-02-20 18:46:07,769 INFO L290 TraceCheckUtils]: 33: Hoare triple {59846#(not (= ~nomsg~0 ~p2_old~0))} assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; {59846#(not (= ~nomsg~0 ~p2_old~0))} is VALID [2022-02-20 18:46:07,770 INFO L290 TraceCheckUtils]: 34: Hoare triple {59846#(not (= ~nomsg~0 ~p2_old~0))} assume ~r1~0 % 256 < 3;main_~check__tmp~0#1 := 1;~__return_1324~0 := main_~check__tmp~0#1;main_~main__c1~0#1 := ~__return_1324~0;havoc main_~__tmp_1~0#1;main_~__tmp_1~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~0#1;main_~assert__arg~0#1 := main_~__tmp_1~0#1; {59846#(not (= ~nomsg~0 ~p2_old~0))} is VALID [2022-02-20 18:46:07,774 INFO L290 TraceCheckUtils]: 35: Hoare triple {59846#(not (= ~nomsg~0 ~p2_old~0))} assume !(0 == main_~assert__arg~0#1 % 256);havoc main_~node1__m1~1#1;main_~node1__m1~1#1 := ~nomsg~0; {59846#(not (= ~nomsg~0 ~p2_old~0))} is VALID [2022-02-20 18:46:07,775 INFO L290 TraceCheckUtils]: 36: Hoare triple {59846#(not (= ~nomsg~0 ~p2_old~0))} assume !(0 == ~mode1~0 % 256); {59846#(not (= ~nomsg~0 ~p2_old~0))} is VALID [2022-02-20 18:46:07,776 INFO L290 TraceCheckUtils]: 37: Hoare triple {59846#(not (= ~nomsg~0 ~p2_old~0))} assume !(255 == ~r1~0 % 256);~r1~0 := 1 + ~r1~0 % 256;main_~node1__m1~1#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {59846#(not (= ~nomsg~0 ~p2_old~0))} is VALID [2022-02-20 18:46:07,776 INFO L290 TraceCheckUtils]: 38: Hoare triple {59846#(not (= ~nomsg~0 ~p2_old~0))} assume main_~node1__m1~1#1 != ~nomsg~0; {59846#(not (= ~nomsg~0 ~p2_old~0))} is VALID [2022-02-20 18:46:07,777 INFO L290 TraceCheckUtils]: 39: Hoare triple {59846#(not (= ~nomsg~0 ~p2_old~0))} assume !(0 == ~alive1~0 % 256); {59846#(not (= ~nomsg~0 ~p2_old~0))} is VALID [2022-02-20 18:46:07,777 INFO L290 TraceCheckUtils]: 40: Hoare triple {59846#(not (= ~nomsg~0 ~p2_old~0))} assume !(main_~node1__m1~1#1 > ~id1~0); {59846#(not (= ~nomsg~0 ~p2_old~0))} is VALID [2022-02-20 18:46:07,778 INFO L290 TraceCheckUtils]: 41: Hoare triple {59846#(not (= ~nomsg~0 ~p2_old~0))} assume main_~node1__m1~1#1 == ~id1~0;~st1~0 := 1;~mode1~0 := 0;havoc main_~node2__m2~1#1;main_~node2__m2~1#1 := ~nomsg~0; {59846#(not (= ~nomsg~0 ~p2_old~0))} is VALID [2022-02-20 18:46:07,779 INFO L290 TraceCheckUtils]: 42: Hoare triple {59846#(not (= ~nomsg~0 ~p2_old~0))} assume !(0 == ~mode2~0 % 256);main_~node2__m2~1#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {59846#(not (= ~nomsg~0 ~p2_old~0))} is VALID [2022-02-20 18:46:07,779 INFO L290 TraceCheckUtils]: 43: Hoare triple {59846#(not (= ~nomsg~0 ~p2_old~0))} assume main_~node2__m2~1#1 != ~nomsg~0; {59846#(not (= ~nomsg~0 ~p2_old~0))} is VALID [2022-02-20 18:46:07,779 INFO L290 TraceCheckUtils]: 44: Hoare triple {59846#(not (= ~nomsg~0 ~p2_old~0))} assume !(0 == ~alive2~0 % 256); {59846#(not (= ~nomsg~0 ~p2_old~0))} is VALID [2022-02-20 18:46:07,780 INFO L290 TraceCheckUtils]: 45: Hoare triple {59846#(not (= ~nomsg~0 ~p2_old~0))} assume !(main_~node2__m2~1#1 > ~id2~0); {59846#(not (= ~nomsg~0 ~p2_old~0))} is VALID [2022-02-20 18:46:07,780 INFO L290 TraceCheckUtils]: 46: Hoare triple {59846#(not (= ~nomsg~0 ~p2_old~0))} assume main_~node2__m2~1#1 == ~id2~0;~st2~0 := 1;~mode2~0 := 0;havoc main_~node3__m3~1#1;main_~node3__m3~1#1 := ~nomsg~0; {59846#(not (= ~nomsg~0 ~p2_old~0))} is VALID [2022-02-20 18:46:07,783 INFO L290 TraceCheckUtils]: 47: Hoare triple {59846#(not (= ~nomsg~0 ~p2_old~0))} assume !(0 == ~mode3~0 % 256);main_~node3__m3~1#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {59847#(not (= ~nomsg~0 |ULTIMATE.start_main_~node3__m3~1#1|))} is VALID [2022-02-20 18:46:07,784 INFO L290 TraceCheckUtils]: 48: Hoare triple {59847#(not (= ~nomsg~0 |ULTIMATE.start_main_~node3__m3~1#1|))} assume !(main_~node3__m3~1#1 != ~nomsg~0);~mode3~0 := 0; {59840#false} is VALID [2022-02-20 18:46:07,784 INFO L290 TraceCheckUtils]: 49: Hoare triple {59840#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;havoc main_~check__tmp~7#1; {59840#false} is VALID [2022-02-20 18:46:07,784 INFO L290 TraceCheckUtils]: 50: Hoare triple {59840#false} assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);main_~check__tmp~7#1 := 0;~__return_3245~0 := main_~check__tmp~7#1;main_~main__c1~0#1 := ~__return_3245~0;havoc main_~__tmp_8~0#1;main_~__tmp_8~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~7#1;main_~assert__arg~7#1 := main_~__tmp_8~0#1; {59840#false} is VALID [2022-02-20 18:46:07,784 INFO L290 TraceCheckUtils]: 51: Hoare triple {59840#false} assume 0 == main_~assert__arg~7#1 % 256; {59840#false} is VALID [2022-02-20 18:46:07,784 INFO L290 TraceCheckUtils]: 52: Hoare triple {59840#false} assume !false; {59840#false} is VALID [2022-02-20 18:46:07,784 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 18:46:07,786 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:46:07,786 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674393137] [2022-02-20 18:46:07,787 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674393137] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:46:07,787 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:46:07,787 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-20 18:46:07,788 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486946126] [2022-02-20 18:46:07,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:46:07,788 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 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 53 [2022-02-20 18:46:07,789 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:46:07,789 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 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 18:46:07,822 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:46:07,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-20 18:46:07,823 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:46:07,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-20 18:46:07,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-02-20 18:46:07,823 INFO L87 Difference]: Start difference. First operand 3035 states and 4169 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 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)