./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.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.3.1.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 c9fed3b6ecd1551705440e8c2971862b3f83812db515b8181a20d7126e9055f8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 18:44:04,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 18:44:04,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 18:44:04,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 18:44:04,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 18:44:04,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 18:44:04,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 18:44:04,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 18:44:04,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 18:44:04,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 18:44:04,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 18:44:04,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 18:44:04,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 18:44:04,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 18:44:04,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 18:44:04,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 18:44:04,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 18:44:04,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 18:44:04,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 18:44:04,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 18:44:04,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 18:44:04,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 18:44:04,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 18:44:04,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 18:44:04,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 18:44:04,648 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 18:44:04,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 18:44:04,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 18:44:04,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 18:44:04,651 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 18:44:04,651 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 18:44:04,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 18:44:04,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 18:44:04,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 18:44:04,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 18:44:04,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 18:44:04,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 18:44:04,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 18:44:04,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 18:44:04,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 18:44:04,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 18:44:04,659 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 18:44:04,689 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 18:44:04,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 18:44:04,690 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 18:44:04,690 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 18:44:04,691 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 18:44:04,691 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 18:44:04,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 18:44:04,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 18:44:04,692 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 18:44:04,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 18:44:04,693 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 18:44:04,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 18:44:04,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 18:44:04,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 18:44:04,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 18:44:04,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 18:44:04,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 18:44:04,694 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 18:44:04,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 18:44:04,695 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 18:44:04,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 18:44:04,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 18:44:04,695 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 18:44:04,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 18:44:04,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:44:04,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 18:44:04,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 18:44:04,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 18:44:04,697 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 18:44:04,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 18:44:04,697 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 18:44:04,698 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 18:44:04,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 18:44:04,698 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9fed3b6ecd1551705440e8c2971862b3f83812db515b8181a20d7126e9055f8 [2022-02-20 18:44:04,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 18:44:04,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 18:44:04,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 18:44:04,927 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 18:44:04,927 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 18:44:04,928 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-02-20 18:44:04,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4f58a2ed/558e0a70ecec4831a2341984ef6d1d66/FLAG64ef49174 [2022-02-20 18:44:05,511 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 18:44:05,512 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-02-20 18:44:05,537 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4f58a2ed/558e0a70ecec4831a2341984ef6d1d66/FLAG64ef49174 [2022-02-20 18:44:06,012 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4f58a2ed/558e0a70ecec4831a2341984ef6d1d66 [2022-02-20 18:44:06,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 18:44:06,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 18:44:06,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 18:44:06,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 18:44:06,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 18:44:06,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:44:06" (1/1) ... [2022-02-20 18:44:06,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54fb92ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:44:06, skipping insertion in model container [2022-02-20 18:44:06,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:44:06" (1/1) ... [2022-02-20 18:44:06,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 18:44:06,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 18:44:06,337 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[7186,7199] [2022-02-20 18:44:06,401 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[11327,11340] [2022-02-20 18:44:06,442 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[18377,18390] [2022-02-20 18:44:06,465 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[24849,24862] [2022-02-20 18:44:06,527 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[43924,43937] [2022-02-20 18:44:06,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[71846,71859] [2022-02-20 18:44:06,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:44:06,764 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 18:44:06,791 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[7186,7199] [2022-02-20 18:44:06,803 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[11327,11340] [2022-02-20 18:44:06,825 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[18377,18390] [2022-02-20 18:44:06,844 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[24849,24862] [2022-02-20 18:44:06,876 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[43924,43937] [2022-02-20 18:44:06,911 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.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[71846,71859] [2022-02-20 18:44:06,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:44:07,008 INFO L208 MainTranslator]: Completed translation [2022-02-20 18:44:07,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:44:07 WrapperNode [2022-02-20 18:44:07,009 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 18:44:07,010 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 18:44:07,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 18:44:07,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 18:44:07,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:44:07" (1/1) ... [2022-02-20 18:44:07,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:44:07" (1/1) ... [2022-02-20 18:44:07,198 INFO L137 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 5645 [2022-02-20 18:44:07,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 18:44:07,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 18:44:07,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 18:44:07,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 18:44:07,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:44:07" (1/1) ... [2022-02-20 18:44:07,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:44:07" (1/1) ... [2022-02-20 18:44:07,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:44:07" (1/1) ... [2022-02-20 18:44:07,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:44:07" (1/1) ... [2022-02-20 18:44:07,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:44:07" (1/1) ... [2022-02-20 18:44:07,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:44:07" (1/1) ... [2022-02-20 18:44:07,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:44:07" (1/1) ... [2022-02-20 18:44:07,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 18:44:07,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 18:44:07,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 18:44:07,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 18:44:07,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:44:07" (1/1) ... [2022-02-20 18:44:07,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:44:07,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:44:07,380 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 18:44:07,398 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 18:44:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 18:44:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 18:44:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 18:44:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 18:44:07,689 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 18:44:07,691 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 18:44:10,170 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 18:44:10,183 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 18:44:10,184 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 18:44:10,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:44:10 BoogieIcfgContainer [2022-02-20 18:44:10,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 18:44:10,187 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 18:44:10,187 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 18:44:10,190 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 18:44:10,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 06:44:06" (1/3) ... [2022-02-20 18:44:10,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f70908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:44:10, skipping insertion in model container [2022-02-20 18:44:10,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:44:07" (2/3) ... [2022-02-20 18:44:10,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f70908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:44:10, skipping insertion in model container [2022-02-20 18:44:10,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:44:10" (3/3) ... [2022-02-20 18:44:10,192 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-02-20 18:44:10,196 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 18:44:10,197 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-02-20 18:44:10,237 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 18:44:10,242 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 18:44:10,242 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-02-20 18:44:10,284 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 18:44:10,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-02-20 18:44:10,306 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:44:10,307 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 18:44:10,307 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 18:44:10,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:44:10,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1061871762, now seen corresponding path program 1 times [2022-02-20 18:44:10,319 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:44:10,320 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272541305] [2022-02-20 18:44:10,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:44:10,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:44:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:44:10,690 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(65, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~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_3702~0 := 0;~__return_1314~0 := 0;~__return_3564~0 := 0;~__return_1344~0 := 0;~__return_1334~0 := 0;~__return_1284~0 := 0;~__return_3254~0 := 0;~__return_1274~0 := 0;~__return_3142~0 := 0;~__return_1304~0 := 0;~__return_3453~0 := 0;~__return_1294~0 := 0;~__return_3341~0 := 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_2316~0 := 0;~__return_1154~0 := 0;~__return_2204~0 := 0;~__return_1184~0 := 0;~__return_1174~0 := 0;~__return_1124~0 := 0;~__return_1968~0 := 0;~__return_1114~0 := 0;~__return_1880~0 := 0;~__return_5137~0 := 0;~__return_1144~0 := 0;~__return_2117~0 := 0;~__return_1134~0 := 0;~__return_2029~0 := 0;~__return_1244~0 := 0;~__return_2934~0 := 0;~__return_1234~0 := 0;~__return_2822~0 := 0;~__return_1264~0 := 0;~__return_1254~0 := 0;~__return_1204~0 := 0;~__return_2586~0 := 0;~__return_1194~0 := 0;~__return_2498~0 := 0;~__return_1224~0 := 0;~__return_2735~0 := 0;~__return_1214~0 := 0;~__return_2647~0 := 0;~__return_1484~0 := 0;~__return_1474~0 := 0;~__return_4521~0 := 0;~__return_1504~0 := 0;~__return_1494~0 := 0;~__return_1444~0 := 0;~__return_1434~0 := 0;~__return_4327~0 := 0;~__return_1464~0 := 0;~__return_1454~0 := 0;~__return_4411~0 := 0;~__return_1564~0 := 0;~__return_1554~0 := 0;~__return_4869~0 := 0;~__return_1584~0 := 0;~__return_1574~0 := 0;~__return_1524~0 := 0;~__return_1514~0 := 0;~__return_4675~0 := 0;~__return_1544~0 := 0;~__return_1534~0 := 0;~__return_4759~0 := 0; {1259#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:44:10,691 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 18:44:10,692 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 18:44:10,693 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 18:44:10,694 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 18:44:10,698 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 18:44:10,699 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 18:44:10,699 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 18:44:10,701 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 18:44:10,701 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 18:44:10,702 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 18:44:10,702 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 18:44:10,703 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 18:44:10,703 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 18:44:10,704 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 18:44:10,704 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 18:44:10,705 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 18:44:10,705 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 18:44:10,706 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 18:44:10,707 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 18:44:10,708 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 18:44:10,709 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 18:44:10,710 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 18:44:10,710 INFO L290 TraceCheckUtils]: 23: Hoare triple {1258#false} assume !!(0 == ~mode2~0 % 256); {1258#false} is VALID [2022-02-20 18:44:10,711 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 18:44:10,711 INFO L290 TraceCheckUtils]: 25: Hoare triple {1258#false} assume ~send2~0 != ~nomsg~0; {1258#false} is VALID [2022-02-20 18:44:10,711 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 18:44:10,711 INFO L290 TraceCheckUtils]: 27: Hoare triple {1258#false} assume !!(0 == ~mode3~0 % 256); {1258#false} is VALID [2022-02-20 18:44:10,712 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 18:44:10,712 INFO L290 TraceCheckUtils]: 29: Hoare triple {1258#false} assume ~send3~0 != ~nomsg~0; {1258#false} is VALID [2022-02-20 18:44:10,712 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 18:44:10,712 INFO L290 TraceCheckUtils]: 31: Hoare triple {1258#false} assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; {1258#false} is VALID [2022-02-20 18:44:10,713 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 18:44:10,713 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 18:44:10,713 INFO L290 TraceCheckUtils]: 34: Hoare triple {1258#false} assume !(0 == ~mode1~0 % 256); {1258#false} is VALID [2022-02-20 18:44:10,714 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 18:44:10,714 INFO L290 TraceCheckUtils]: 36: Hoare triple {1258#false} assume main_~node1__m1~20#1 != ~nomsg~0; {1258#false} is VALID [2022-02-20 18:44:10,714 INFO L290 TraceCheckUtils]: 37: Hoare triple {1258#false} assume !(0 == ~alive1~0 % 256); {1258#false} is VALID [2022-02-20 18:44:10,714 INFO L290 TraceCheckUtils]: 38: Hoare triple {1258#false} assume !(main_~node1__m1~20#1 > ~id1~0); {1258#false} is VALID [2022-02-20 18:44:10,715 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 18:44:10,715 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 18:44:10,716 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 18:44:10,717 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 18:44:10,717 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 18:44:10,718 INFO L290 TraceCheckUtils]: 44: Hoare triple {1258#false} assume main_~node3__m3~13#1 != ~nomsg~0; {1258#false} is VALID [2022-02-20 18:44:10,718 INFO L290 TraceCheckUtils]: 45: Hoare triple {1258#false} assume !(0 == ~alive3~0 % 256); {1258#false} is VALID [2022-02-20 18:44:10,718 INFO L290 TraceCheckUtils]: 46: Hoare triple {1258#false} assume !(main_~node3__m3~13#1 > ~id3~0); {1258#false} is VALID [2022-02-20 18:44:10,719 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 18:44:10,719 INFO L290 TraceCheckUtils]: 48: Hoare triple {1258#false} assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);main_~check__tmp~23#1 := 0;~__return_2316~0 := main_~check__tmp~23#1;main_~main__c1~0#1 := ~__return_2316~0;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 18:44:10,722 INFO L290 TraceCheckUtils]: 49: Hoare triple {1258#false} assume 0 == main_~assert__arg~23#1 % 256; {1258#false} is VALID [2022-02-20 18:44:10,722 INFO L290 TraceCheckUtils]: 50: Hoare triple {1258#false} assume !false; {1258#false} is VALID [2022-02-20 18:44:10,725 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 18:44:10,725 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:44:10,725 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272541305] [2022-02-20 18:44:10,726 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272541305] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:44:10,726 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:44:10,726 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 18:44:10,729 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299292379] [2022-02-20 18:44:10,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:44:10,735 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 18:44:10,736 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:44:10,739 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 18:44:10,808 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 18:44:10,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:44:10,809 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:44:10,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:44:10,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:44:10,831 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 18:44:16,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:44:16,095 INFO L93 Difference]: Finished difference Result 2475 states and 4331 transitions. [2022-02-20 18:44:16,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:44:16,096 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 18:44:16,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:44:16,097 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 18:44:16,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4331 transitions. [2022-02-20 18:44:16,162 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 18:44:16,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4331 transitions. [2022-02-20 18:44:16,191 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 4331 transitions. [2022-02-20 18:44:19,081 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 4331 edges. 4331 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:44:19,295 INFO L225 Difference]: With dead ends: 2475 [2022-02-20 18:44:19,296 INFO L226 Difference]: Without dead ends: 1558 [2022-02-20 18:44:19,301 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 18:44:19,304 INFO L933 BasicCegarLoop]: 1013 mSDtfsCounter, 7003 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 1269 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7003 SdHoareTripleChecker+Valid, 1499 SdHoareTripleChecker+Invalid, 1393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 1269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:44:19,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7003 Valid, 1499 Invalid, 1393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 1269 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-02-20 18:44:19,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1558 states. [2022-02-20 18:44:19,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1558 to 1552. [2022-02-20 18:44:19,952 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:44:19,962 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1558 states. Second operand has 1552 states, 1546 states have (on average 1.3544631306597672) internal successors, (2094), 1551 states have internal predecessors, (2094), 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 18:44:19,966 INFO L74 IsIncluded]: Start isIncluded. First operand 1558 states. Second operand has 1552 states, 1546 states have (on average 1.3544631306597672) internal successors, (2094), 1551 states have internal predecessors, (2094), 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 18:44:19,970 INFO L87 Difference]: Start difference. First operand 1558 states. Second operand has 1552 states, 1546 states have (on average 1.3544631306597672) internal successors, (2094), 1551 states have internal predecessors, (2094), 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 18:44:20,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:44:20,081 INFO L93 Difference]: Finished difference Result 1558 states and 2098 transitions. [2022-02-20 18:44:20,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2098 transitions. [2022-02-20 18:44:20,088 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:44:20,089 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:44:20,092 INFO L74 IsIncluded]: Start isIncluded. First operand has 1552 states, 1546 states have (on average 1.3544631306597672) internal successors, (2094), 1551 states have internal predecessors, (2094), 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 1558 states. [2022-02-20 18:44:20,096 INFO L87 Difference]: Start difference. First operand has 1552 states, 1546 states have (on average 1.3544631306597672) internal successors, (2094), 1551 states have internal predecessors, (2094), 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 1558 states. [2022-02-20 18:44:20,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:44:20,206 INFO L93 Difference]: Finished difference Result 1558 states and 2098 transitions. [2022-02-20 18:44:20,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2098 transitions. [2022-02-20 18:44:20,209 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:44:20,209 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:44:20,209 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:44:20,209 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:44:20,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1552 states, 1546 states have (on average 1.3544631306597672) internal successors, (2094), 1551 states have internal predecessors, (2094), 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 18:44:20,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1552 states and 2094 transitions. [2022-02-20 18:44:20,338 INFO L78 Accepts]: Start accepts. Automaton has 1552 states and 2094 transitions. Word has length 51 [2022-02-20 18:44:20,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:44:20,339 INFO L470 AbstractCegarLoop]: Abstraction has 1552 states and 2094 transitions. [2022-02-20 18:44:20,339 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 18:44:20,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 2094 transitions. [2022-02-20 18:44:20,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-02-20 18:44:20,342 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:44:20,342 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 18:44:20,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 18:44:20,343 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 18:44:20,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:44:20,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1625759521, now seen corresponding path program 1 times [2022-02-20 18:44:20,344 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:44:20,344 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385893197] [2022-02-20 18:44:20,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:44:20,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:44:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:44:20,459 INFO L290 TraceCheckUtils]: 0: Hoare triple {9371#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(65, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~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_3702~0 := 0;~__return_1314~0 := 0;~__return_3564~0 := 0;~__return_1344~0 := 0;~__return_1334~0 := 0;~__return_1284~0 := 0;~__return_3254~0 := 0;~__return_1274~0 := 0;~__return_3142~0 := 0;~__return_1304~0 := 0;~__return_3453~0 := 0;~__return_1294~0 := 0;~__return_3341~0 := 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_2316~0 := 0;~__return_1154~0 := 0;~__return_2204~0 := 0;~__return_1184~0 := 0;~__return_1174~0 := 0;~__return_1124~0 := 0;~__return_1968~0 := 0;~__return_1114~0 := 0;~__return_1880~0 := 0;~__return_5137~0 := 0;~__return_1144~0 := 0;~__return_2117~0 := 0;~__return_1134~0 := 0;~__return_2029~0 := 0;~__return_1244~0 := 0;~__return_2934~0 := 0;~__return_1234~0 := 0;~__return_2822~0 := 0;~__return_1264~0 := 0;~__return_1254~0 := 0;~__return_1204~0 := 0;~__return_2586~0 := 0;~__return_1194~0 := 0;~__return_2498~0 := 0;~__return_1224~0 := 0;~__return_2735~0 := 0;~__return_1214~0 := 0;~__return_2647~0 := 0;~__return_1484~0 := 0;~__return_1474~0 := 0;~__return_4521~0 := 0;~__return_1504~0 := 0;~__return_1494~0 := 0;~__return_1444~0 := 0;~__return_1434~0 := 0;~__return_4327~0 := 0;~__return_1464~0 := 0;~__return_1454~0 := 0;~__return_4411~0 := 0;~__return_1564~0 := 0;~__return_1554~0 := 0;~__return_4869~0 := 0;~__return_1584~0 := 0;~__return_1574~0 := 0;~__return_1524~0 := 0;~__return_1514~0 := 0;~__return_4675~0 := 0;~__return_1544~0 := 0;~__return_1534~0 := 0;~__return_4759~0 := 0; {9373#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:44:20,460 INFO L290 TraceCheckUtils]: 1: Hoare triple {9373#(<= (+ ~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; {9373#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:44:20,462 INFO L290 TraceCheckUtils]: 2: Hoare triple {9373#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~r1~0 % 256; {9373#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:44:20,463 INFO L290 TraceCheckUtils]: 3: Hoare triple {9373#(<= (+ ~nomsg~0 1) 0)} assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 >= 1; {9373#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:44:20,463 INFO L290 TraceCheckUtils]: 4: Hoare triple {9373#(<= (+ ~nomsg~0 1) 0)} assume ~id1~0 >= 0; {9373#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:44:20,464 INFO L290 TraceCheckUtils]: 5: Hoare triple {9373#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~st1~0; {9373#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:44:20,464 INFO L290 TraceCheckUtils]: 6: Hoare triple {9373#(<= (+ ~nomsg~0 1) 0)} assume ~send1~0 == ~id1~0; {9373#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:44:20,464 INFO L290 TraceCheckUtils]: 7: Hoare triple {9373#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~mode1~0 % 256; {9373#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:44:20,465 INFO L290 TraceCheckUtils]: 8: Hoare triple {9373#(<= (+ ~nomsg~0 1) 0)} assume ~id2~0 >= 0; {9373#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:44:20,465 INFO L290 TraceCheckUtils]: 9: Hoare triple {9373#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~st2~0; {9373#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:44:20,466 INFO L290 TraceCheckUtils]: 10: Hoare triple {9373#(<= (+ ~nomsg~0 1) 0)} assume ~send2~0 == ~id2~0; {9373#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:44:20,466 INFO L290 TraceCheckUtils]: 11: Hoare triple {9373#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~mode2~0 % 256; {9373#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:44:20,467 INFO L290 TraceCheckUtils]: 12: Hoare triple {9373#(<= (+ ~nomsg~0 1) 0)} assume ~id3~0 >= 0; {9374#(<= (+ ~nomsg~0 1) ~id3~0)} is VALID [2022-02-20 18:44:20,467 INFO L290 TraceCheckUtils]: 13: Hoare triple {9374#(<= (+ ~nomsg~0 1) ~id3~0)} assume 0 == ~st3~0; {9374#(<= (+ ~nomsg~0 1) ~id3~0)} is VALID [2022-02-20 18:44:20,468 INFO L290 TraceCheckUtils]: 14: Hoare triple {9374#(<= (+ ~nomsg~0 1) ~id3~0)} assume ~send3~0 == ~id3~0; {9375#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:44:20,468 INFO L290 TraceCheckUtils]: 15: Hoare triple {9375#(<= (+ ~nomsg~0 1) ~send3~0)} assume 0 == ~mode3~0 % 256; {9375#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:44:20,468 INFO L290 TraceCheckUtils]: 16: Hoare triple {9375#(<= (+ ~nomsg~0 1) ~send3~0)} assume ~id1~0 != ~id2~0; {9375#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:44:20,469 INFO L290 TraceCheckUtils]: 17: Hoare triple {9375#(<= (+ ~nomsg~0 1) ~send3~0)} assume ~id1~0 != ~id3~0; {9375#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:44:20,469 INFO L290 TraceCheckUtils]: 18: Hoare triple {9375#(<= (+ ~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; {9375#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:44:20,470 INFO L290 TraceCheckUtils]: 19: Hoare triple {9375#(<= (+ ~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; {9375#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:44:20,471 INFO L290 TraceCheckUtils]: 20: Hoare triple {9375#(<= (+ ~nomsg~0 1) ~send3~0)} assume !!(0 == ~mode1~0 % 256); {9375#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:44:20,472 INFO L290 TraceCheckUtils]: 21: Hoare triple {9375#(<= (+ ~nomsg~0 1) ~send3~0)} assume !(0 == ~alive1~0 % 256);havoc main_~node1____CPAchecker_TMP_0~0#1; {9375#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:44:20,472 INFO L290 TraceCheckUtils]: 22: Hoare triple {9375#(<= (+ ~nomsg~0 1) ~send3~0)} assume ~send1~0 != ~nomsg~0; {9375#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:44:20,472 INFO L290 TraceCheckUtils]: 23: Hoare triple {9375#(<= (+ ~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); {9375#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:44:20,473 INFO L290 TraceCheckUtils]: 24: Hoare triple {9375#(<= (+ ~nomsg~0 1) ~send3~0)} ~mode1~0 := 1;havoc main_~node2__m2~0#1;main_~node2__m2~0#1 := ~nomsg~0; {9375#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:44:20,473 INFO L290 TraceCheckUtils]: 25: Hoare triple {9375#(<= (+ ~nomsg~0 1) ~send3~0)} assume !!(0 == ~mode2~0 % 256); {9375#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:44:20,474 INFO L290 TraceCheckUtils]: 26: Hoare triple {9375#(<= (+ ~nomsg~0 1) ~send3~0)} assume !(0 == ~alive2~0 % 256);havoc main_~node2____CPAchecker_TMP_0~0#1; {9375#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:44:20,474 INFO L290 TraceCheckUtils]: 27: Hoare triple {9375#(<= (+ ~nomsg~0 1) ~send3~0)} assume ~send2~0 != ~nomsg~0; {9375#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:44:20,475 INFO L290 TraceCheckUtils]: 28: Hoare triple {9375#(<= (+ ~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; {9375#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:44:20,475 INFO L290 TraceCheckUtils]: 29: Hoare triple {9375#(<= (+ ~nomsg~0 1) ~send3~0)} assume !!(0 == ~mode3~0 % 256); {9375#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:44:20,475 INFO L290 TraceCheckUtils]: 30: Hoare triple {9375#(<= (+ ~nomsg~0 1) ~send3~0)} assume !(0 == ~alive3~0 % 256);havoc main_~node3____CPAchecker_TMP_0~0#1; {9375#(<= (+ ~nomsg~0 1) ~send3~0)} is VALID [2022-02-20 18:44:20,476 INFO L290 TraceCheckUtils]: 31: Hoare triple {9375#(<= (+ ~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; {9372#false} is VALID [2022-02-20 18:44:20,477 INFO L290 TraceCheckUtils]: 32: Hoare triple {9372#false} assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; {9372#false} is VALID [2022-02-20 18:44:20,477 INFO L290 TraceCheckUtils]: 33: Hoare triple {9372#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; {9372#false} is VALID [2022-02-20 18:44:20,477 INFO L290 TraceCheckUtils]: 34: Hoare triple {9372#false} assume !(0 == main_~assert__arg~2#1 % 256);havoc main_~node1__m1~3#1;main_~node1__m1~3#1 := ~nomsg~0; {9372#false} is VALID [2022-02-20 18:44:20,477 INFO L290 TraceCheckUtils]: 35: Hoare triple {9372#false} assume !(0 == ~mode1~0 % 256); {9372#false} is VALID [2022-02-20 18:44:20,478 INFO L290 TraceCheckUtils]: 36: Hoare triple {9372#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; {9372#false} is VALID [2022-02-20 18:44:20,478 INFO L290 TraceCheckUtils]: 37: Hoare triple {9372#false} assume !(main_~node1__m1~3#1 != ~nomsg~0);~mode1~0 := 0; {9372#false} is VALID [2022-02-20 18:44:20,478 INFO L290 TraceCheckUtils]: 38: Hoare triple {9372#false} havoc main_~node2__m2~2#1;main_~node2__m2~2#1 := ~nomsg~0; {9372#false} is VALID [2022-02-20 18:44:20,478 INFO L290 TraceCheckUtils]: 39: Hoare triple {9372#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~2#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {9372#false} is VALID [2022-02-20 18:44:20,479 INFO L290 TraceCheckUtils]: 40: Hoare triple {9372#false} assume main_~node2__m2~2#1 != ~nomsg~0; {9372#false} is VALID [2022-02-20 18:44:20,479 INFO L290 TraceCheckUtils]: 41: Hoare triple {9372#false} assume !(0 == ~alive2~0 % 256); {9372#false} is VALID [2022-02-20 18:44:20,479 INFO L290 TraceCheckUtils]: 42: Hoare triple {9372#false} assume !(main_~node2__m2~2#1 > ~id2~0); {9372#false} is VALID [2022-02-20 18:44:20,479 INFO L290 TraceCheckUtils]: 43: Hoare triple {9372#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; {9372#false} is VALID [2022-02-20 18:44:20,479 INFO L290 TraceCheckUtils]: 44: Hoare triple {9372#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~2#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {9372#false} is VALID [2022-02-20 18:44:20,480 INFO L290 TraceCheckUtils]: 45: Hoare triple {9372#false} assume main_~node3__m3~2#1 != ~nomsg~0; {9372#false} is VALID [2022-02-20 18:44:20,480 INFO L290 TraceCheckUtils]: 46: Hoare triple {9372#false} assume !(0 == ~alive3~0 % 256); {9372#false} is VALID [2022-02-20 18:44:20,480 INFO L290 TraceCheckUtils]: 47: Hoare triple {9372#false} assume !(main_~node3__m3~2#1 > ~id3~0); {9372#false} is VALID [2022-02-20 18:44:20,480 INFO L290 TraceCheckUtils]: 48: Hoare triple {9372#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; {9372#false} is VALID [2022-02-20 18:44:20,481 INFO L290 TraceCheckUtils]: 49: Hoare triple {9372#false} assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);main_~check__tmp~3#1 := 0;~__return_3564~0 := main_~check__tmp~3#1;main_~main__c1~0#1 := ~__return_3564~0;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; {9372#false} is VALID [2022-02-20 18:44:20,481 INFO L290 TraceCheckUtils]: 50: Hoare triple {9372#false} assume 0 == main_~assert__arg~3#1 % 256; {9372#false} is VALID [2022-02-20 18:44:20,481 INFO L290 TraceCheckUtils]: 51: Hoare triple {9372#false} assume !false; {9372#false} is VALID [2022-02-20 18:44:20,483 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 18:44:20,483 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:44:20,483 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385893197] [2022-02-20 18:44:20,486 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385893197] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:44:20,487 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:44:20,487 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 18:44:20,487 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575038558] [2022-02-20 18:44:20,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:44:20,489 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 18:44:20,489 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:44:20,489 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 18:44:20,527 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 18:44:20,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:44:20,527 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:44:20,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:44:20,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:44:20,528 INFO L87 Difference]: Start difference. First operand 1552 states and 2094 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 18:44:25,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:44:25,315 INFO L93 Difference]: Finished difference Result 3181 states and 4350 transitions. [2022-02-20 18:44:25,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:44:25,315 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 18:44:25,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:44:25,315 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 18:44:25,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2897 transitions. [2022-02-20 18:44:25,331 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 18:44:25,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2897 transitions. [2022-02-20 18:44:25,347 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 2897 transitions. [2022-02-20 18:44:27,410 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 18:44:27,593 INFO L225 Difference]: With dead ends: 3181 [2022-02-20 18:44:27,593 INFO L226 Difference]: Without dead ends: 2197 [2022-02-20 18:44:27,594 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 18:44:27,596 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, 0.7s IncrementalHoareTripleChecker+Time [2022-02-20 18:44:27,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5040 Valid, 1030 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 913 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-02-20 18:44:27,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2197 states. [2022-02-20 18:44:28,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2197 to 2185. [2022-02-20 18:44:28,929 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:44:28,934 INFO L82 GeneralOperation]: Start isEquivalent. First operand 2197 states. Second operand has 2185 states, 2179 states have (on average 1.3740247820100964) internal successors, (2994), 2184 states have internal predecessors, (2994), 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 18:44:28,938 INFO L74 IsIncluded]: Start isIncluded. First operand 2197 states. Second operand has 2185 states, 2179 states have (on average 1.3740247820100964) internal successors, (2994), 2184 states have internal predecessors, (2994), 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 18:44:28,943 INFO L87 Difference]: Start difference. First operand 2197 states. Second operand has 2185 states, 2179 states have (on average 1.3740247820100964) internal successors, (2994), 2184 states have internal predecessors, (2994), 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 18:44:29,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:44:29,149 INFO L93 Difference]: Finished difference Result 2197 states and 3003 transitions. [2022-02-20 18:44:29,149 INFO L276 IsEmpty]: Start isEmpty. Operand 2197 states and 3003 transitions. [2022-02-20 18:44:29,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:44:29,153 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:44:29,158 INFO L74 IsIncluded]: Start isIncluded. First operand has 2185 states, 2179 states have (on average 1.3740247820100964) internal successors, (2994), 2184 states have internal predecessors, (2994), 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 2197 states. [2022-02-20 18:44:29,163 INFO L87 Difference]: Start difference. First operand has 2185 states, 2179 states have (on average 1.3740247820100964) internal successors, (2994), 2184 states have internal predecessors, (2994), 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 2197 states. [2022-02-20 18:44:29,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:44:29,370 INFO L93 Difference]: Finished difference Result 2197 states and 3003 transitions. [2022-02-20 18:44:29,370 INFO L276 IsEmpty]: Start isEmpty. Operand 2197 states and 3003 transitions. [2022-02-20 18:44:29,374 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:44:29,374 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:44:29,374 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:44:29,374 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:44:29,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2185 states, 2179 states have (on average 1.3740247820100964) internal successors, (2994), 2184 states have internal predecessors, (2994), 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 18:44:29,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 2185 states and 2994 transitions. [2022-02-20 18:44:29,673 INFO L78 Accepts]: Start accepts. Automaton has 2185 states and 2994 transitions. Word has length 52 [2022-02-20 18:44:29,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:44:29,675 INFO L470 AbstractCegarLoop]: Abstraction has 2185 states and 2994 transitions. [2022-02-20 18:44:29,675 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 18:44:29,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2185 states and 2994 transitions. [2022-02-20 18:44:29,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-02-20 18:44:29,680 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:44:29,680 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 18:44:29,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 18:44:29,681 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 18:44:29,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:44:29,681 INFO L85 PathProgramCache]: Analyzing trace with hash 299183278, now seen corresponding path program 1 times [2022-02-20 18:44:29,682 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:44:29,682 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073219965] [2022-02-20 18:44:29,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:44:29,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:44:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:44:29,803 INFO L290 TraceCheckUtils]: 0: Hoare triple {20622#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(65, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~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_3702~0 := 0;~__return_1314~0 := 0;~__return_3564~0 := 0;~__return_1344~0 := 0;~__return_1334~0 := 0;~__return_1284~0 := 0;~__return_3254~0 := 0;~__return_1274~0 := 0;~__return_3142~0 := 0;~__return_1304~0 := 0;~__return_3453~0 := 0;~__return_1294~0 := 0;~__return_3341~0 := 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_2316~0 := 0;~__return_1154~0 := 0;~__return_2204~0 := 0;~__return_1184~0 := 0;~__return_1174~0 := 0;~__return_1124~0 := 0;~__return_1968~0 := 0;~__return_1114~0 := 0;~__return_1880~0 := 0;~__return_5137~0 := 0;~__return_1144~0 := 0;~__return_2117~0 := 0;~__return_1134~0 := 0;~__return_2029~0 := 0;~__return_1244~0 := 0;~__return_2934~0 := 0;~__return_1234~0 := 0;~__return_2822~0 := 0;~__return_1264~0 := 0;~__return_1254~0 := 0;~__return_1204~0 := 0;~__return_2586~0 := 0;~__return_1194~0 := 0;~__return_2498~0 := 0;~__return_1224~0 := 0;~__return_2735~0 := 0;~__return_1214~0 := 0;~__return_2647~0 := 0;~__return_1484~0 := 0;~__return_1474~0 := 0;~__return_4521~0 := 0;~__return_1504~0 := 0;~__return_1494~0 := 0;~__return_1444~0 := 0;~__return_1434~0 := 0;~__return_4327~0 := 0;~__return_1464~0 := 0;~__return_1454~0 := 0;~__return_4411~0 := 0;~__return_1564~0 := 0;~__return_1554~0 := 0;~__return_4869~0 := 0;~__return_1584~0 := 0;~__return_1574~0 := 0;~__return_1524~0 := 0;~__return_1514~0 := 0;~__return_4675~0 := 0;~__return_1544~0 := 0;~__return_1534~0 := 0;~__return_4759~0 := 0; {20624#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:44:29,804 INFO L290 TraceCheckUtils]: 1: Hoare triple {20624#(<= (+ ~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; {20624#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:44:29,804 INFO L290 TraceCheckUtils]: 2: Hoare triple {20624#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~r1~0 % 256; {20624#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:44:29,805 INFO L290 TraceCheckUtils]: 3: Hoare triple {20624#(<= (+ ~nomsg~0 1) 0)} assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 >= 1; {20624#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:44:29,805 INFO L290 TraceCheckUtils]: 4: Hoare triple {20624#(<= (+ ~nomsg~0 1) 0)} assume ~id1~0 >= 0; {20624#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:44:29,805 INFO L290 TraceCheckUtils]: 5: Hoare triple {20624#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~st1~0; {20624#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:44:29,806 INFO L290 TraceCheckUtils]: 6: Hoare triple {20624#(<= (+ ~nomsg~0 1) 0)} assume ~send1~0 == ~id1~0; {20624#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:44:29,808 INFO L290 TraceCheckUtils]: 7: Hoare triple {20624#(<= (+ ~nomsg~0 1) 0)} assume 0 == ~mode1~0 % 256; {20624#(<= (+ ~nomsg~0 1) 0)} is VALID [2022-02-20 18:44:29,809 INFO L290 TraceCheckUtils]: 8: Hoare triple {20624#(<= (+ ~nomsg~0 1) 0)} assume ~id2~0 >= 0; {20625#(<= (+ ~nomsg~0 1) ~id2~0)} is VALID [2022-02-20 18:44:29,809 INFO L290 TraceCheckUtils]: 9: Hoare triple {20625#(<= (+ ~nomsg~0 1) ~id2~0)} assume 0 == ~st2~0; {20625#(<= (+ ~nomsg~0 1) ~id2~0)} is VALID [2022-02-20 18:44:29,809 INFO L290 TraceCheckUtils]: 10: Hoare triple {20625#(<= (+ ~nomsg~0 1) ~id2~0)} assume ~send2~0 == ~id2~0; {20626#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:44:29,810 INFO L290 TraceCheckUtils]: 11: Hoare triple {20626#(<= (+ ~nomsg~0 1) ~send2~0)} assume 0 == ~mode2~0 % 256; {20626#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:44:29,810 INFO L290 TraceCheckUtils]: 12: Hoare triple {20626#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~id3~0 >= 0; {20626#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:44:29,811 INFO L290 TraceCheckUtils]: 13: Hoare triple {20626#(<= (+ ~nomsg~0 1) ~send2~0)} assume 0 == ~st3~0; {20626#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:44:29,811 INFO L290 TraceCheckUtils]: 14: Hoare triple {20626#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~send3~0 == ~id3~0; {20626#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:44:29,813 INFO L290 TraceCheckUtils]: 15: Hoare triple {20626#(<= (+ ~nomsg~0 1) ~send2~0)} assume 0 == ~mode3~0 % 256; {20626#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:44:29,814 INFO L290 TraceCheckUtils]: 16: Hoare triple {20626#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~id1~0 != ~id2~0; {20626#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:44:29,814 INFO L290 TraceCheckUtils]: 17: Hoare triple {20626#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~id1~0 != ~id3~0; {20626#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:44:29,815 INFO L290 TraceCheckUtils]: 18: Hoare triple {20626#(<= (+ ~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; {20626#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:44:29,815 INFO L290 TraceCheckUtils]: 19: Hoare triple {20626#(<= (+ ~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; {20626#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:44:29,816 INFO L290 TraceCheckUtils]: 20: Hoare triple {20626#(<= (+ ~nomsg~0 1) ~send2~0)} assume !!(0 == ~mode1~0 % 256); {20626#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:44:29,816 INFO L290 TraceCheckUtils]: 21: Hoare triple {20626#(<= (+ ~nomsg~0 1) ~send2~0)} assume !(0 == ~alive1~0 % 256);havoc main_~node1____CPAchecker_TMP_0~0#1; {20626#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:44:29,816 INFO L290 TraceCheckUtils]: 22: Hoare triple {20626#(<= (+ ~nomsg~0 1) ~send2~0)} assume ~send1~0 != ~nomsg~0; {20626#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:44:29,817 INFO L290 TraceCheckUtils]: 23: Hoare triple {20626#(<= (+ ~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); {20626#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:44:29,817 INFO L290 TraceCheckUtils]: 24: Hoare triple {20626#(<= (+ ~nomsg~0 1) ~send2~0)} ~mode1~0 := 1;havoc main_~node2__m2~0#1;main_~node2__m2~0#1 := ~nomsg~0; {20626#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:44:29,823 INFO L290 TraceCheckUtils]: 25: Hoare triple {20626#(<= (+ ~nomsg~0 1) ~send2~0)} assume !!(0 == ~mode2~0 % 256); {20626#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:44:29,824 INFO L290 TraceCheckUtils]: 26: Hoare triple {20626#(<= (+ ~nomsg~0 1) ~send2~0)} assume !(0 == ~alive2~0 % 256);havoc main_~node2____CPAchecker_TMP_0~0#1; {20626#(<= (+ ~nomsg~0 1) ~send2~0)} is VALID [2022-02-20 18:44:29,824 INFO L290 TraceCheckUtils]: 27: Hoare triple {20626#(<= (+ ~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; {20623#false} is VALID [2022-02-20 18:44:29,824 INFO L290 TraceCheckUtils]: 28: Hoare triple {20623#false} assume !!(0 == ~mode3~0 % 256); {20623#false} is VALID [2022-02-20 18:44:29,824 INFO L290 TraceCheckUtils]: 29: Hoare triple {20623#false} assume !(0 == ~alive3~0 % 256);havoc main_~node3____CPAchecker_TMP_0~1#1; {20623#false} is VALID [2022-02-20 18:44:29,825 INFO L290 TraceCheckUtils]: 30: Hoare triple {20623#false} assume ~send3~0 != ~nomsg~0; {20623#false} is VALID [2022-02-20 18:44:29,825 INFO L290 TraceCheckUtils]: 31: Hoare triple {20623#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; {20623#false} is VALID [2022-02-20 18:44:29,825 INFO L290 TraceCheckUtils]: 32: Hoare triple {20623#false} assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; {20623#false} is VALID [2022-02-20 18:44:29,825 INFO L290 TraceCheckUtils]: 33: Hoare triple {20623#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; {20623#false} is VALID [2022-02-20 18:44:29,825 INFO L290 TraceCheckUtils]: 34: Hoare triple {20623#false} assume !(0 == main_~assert__arg~6#1 % 256);havoc main_~node1__m1~6#1;main_~node1__m1~6#1 := ~nomsg~0; {20623#false} is VALID [2022-02-20 18:44:29,826 INFO L290 TraceCheckUtils]: 35: Hoare triple {20623#false} assume !(0 == ~mode1~0 % 256); {20623#false} is VALID [2022-02-20 18:44:29,826 INFO L290 TraceCheckUtils]: 36: Hoare triple {20623#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; {20623#false} is VALID [2022-02-20 18:44:29,826 INFO L290 TraceCheckUtils]: 37: Hoare triple {20623#false} assume main_~node1__m1~6#1 != ~nomsg~0; {20623#false} is VALID [2022-02-20 18:44:29,826 INFO L290 TraceCheckUtils]: 38: Hoare triple {20623#false} assume !(0 == ~alive1~0 % 256); {20623#false} is VALID [2022-02-20 18:44:29,826 INFO L290 TraceCheckUtils]: 39: Hoare triple {20623#false} assume !(main_~node1__m1~6#1 > ~id1~0); {20623#false} is VALID [2022-02-20 18:44:29,827 INFO L290 TraceCheckUtils]: 40: Hoare triple {20623#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; {20623#false} is VALID [2022-02-20 18:44:29,827 INFO L290 TraceCheckUtils]: 41: Hoare triple {20623#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~5#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {20623#false} is VALID [2022-02-20 18:44:29,827 INFO L290 TraceCheckUtils]: 42: Hoare triple {20623#false} assume main_~node2__m2~5#1 != ~nomsg~0; {20623#false} is VALID [2022-02-20 18:44:29,827 INFO L290 TraceCheckUtils]: 43: Hoare triple {20623#false} assume !(0 == ~alive2~0 % 256); {20623#false} is VALID [2022-02-20 18:44:29,828 INFO L290 TraceCheckUtils]: 44: Hoare triple {20623#false} assume !(main_~node2__m2~5#1 > ~id2~0); {20623#false} is VALID [2022-02-20 18:44:29,828 INFO L290 TraceCheckUtils]: 45: Hoare triple {20623#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; {20623#false} is VALID [2022-02-20 18:44:29,828 INFO L290 TraceCheckUtils]: 46: Hoare triple {20623#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~6#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {20623#false} is VALID [2022-02-20 18:44:29,828 INFO L290 TraceCheckUtils]: 47: Hoare triple {20623#false} assume !(main_~node3__m3~6#1 != ~nomsg~0);~mode3~0 := 0; {20623#false} is VALID [2022-02-20 18:44:29,828 INFO L290 TraceCheckUtils]: 48: Hoare triple {20623#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; {20623#false} is VALID [2022-02-20 18:44:29,829 INFO L290 TraceCheckUtils]: 49: Hoare triple {20623#false} assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);main_~check__tmp~7#1 := 0;~__return_3254~0 := main_~check__tmp~7#1;main_~main__c1~0#1 := ~__return_3254~0;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; {20623#false} is VALID [2022-02-20 18:44:29,829 INFO L290 TraceCheckUtils]: 50: Hoare triple {20623#false} assume 0 == main_~assert__arg~7#1 % 256; {20623#false} is VALID [2022-02-20 18:44:29,829 INFO L290 TraceCheckUtils]: 51: Hoare triple {20623#false} assume !false; {20623#false} is VALID [2022-02-20 18:44:29,829 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 18:44:29,830 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:44:29,830 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073219965] [2022-02-20 18:44:29,830 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073219965] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:44:29,830 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:44:29,830 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 18:44:29,831 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072498596] [2022-02-20 18:44:29,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:44:29,831 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 18:44:29,831 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:44:29,832 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 18:44:29,867 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 18:44:29,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:44:29,868 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:44:29,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:44:29,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:44:29,869 INFO L87 Difference]: Start difference. First operand 2185 states and 2994 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 18:44:35,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:44:35,322 INFO L93 Difference]: Finished difference Result 4530 states and 6290 transitions. [2022-02-20 18:44:35,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:44:35,323 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 18:44:35,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:44:35,323 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 18:44:35,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2626 transitions. [2022-02-20 18:44:35,334 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 18:44:35,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2626 transitions. [2022-02-20 18:44:35,342 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 2626 transitions. [2022-02-20 18:44:37,017 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 18:44:37,405 INFO L225 Difference]: With dead ends: 4530 [2022-02-20 18:44:37,405 INFO L226 Difference]: Without dead ends: 3051 [2022-02-20 18:44:37,407 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 18:44:37,408 INFO L933 BasicCegarLoop]: 595 mSDtfsCounter, 4459 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-02-20 18:44:37,409 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4459 Valid, 884 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-20 18:44:37,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3051 states. [2022-02-20 18:44:39,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3051 to 3041. [2022-02-20 18:44:39,932 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:44:39,938 INFO L82 GeneralOperation]: Start isEquivalent. First operand 3051 states. Second operand has 3041 states, 3035 states have (on average 1.3759472817133442) internal successors, (4176), 3040 states have internal predecessors, (4176), 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 18:44:39,942 INFO L74 IsIncluded]: Start isIncluded. First operand 3051 states. Second operand has 3041 states, 3035 states have (on average 1.3759472817133442) internal successors, (4176), 3040 states have internal predecessors, (4176), 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 18:44:39,946 INFO L87 Difference]: Start difference. First operand 3051 states. Second operand has 3041 states, 3035 states have (on average 1.3759472817133442) internal successors, (4176), 3040 states have internal predecessors, (4176), 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 18:44:40,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:44:40,206 INFO L93 Difference]: Finished difference Result 3051 states and 4183 transitions. [2022-02-20 18:44:40,206 INFO L276 IsEmpty]: Start isEmpty. Operand 3051 states and 4183 transitions. [2022-02-20 18:44:40,211 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:44:40,211 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:44:40,217 INFO L74 IsIncluded]: Start isIncluded. First operand has 3041 states, 3035 states have (on average 1.3759472817133442) internal successors, (4176), 3040 states have internal predecessors, (4176), 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 3051 states. [2022-02-20 18:44:40,220 INFO L87 Difference]: Start difference. First operand has 3041 states, 3035 states have (on average 1.3759472817133442) internal successors, (4176), 3040 states have internal predecessors, (4176), 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 3051 states. [2022-02-20 18:44:40,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:44:40,527 INFO L93 Difference]: Finished difference Result 3051 states and 4183 transitions. [2022-02-20 18:44:40,527 INFO L276 IsEmpty]: Start isEmpty. Operand 3051 states and 4183 transitions. [2022-02-20 18:44:40,530 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:44:40,530 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:44:40,531 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:44:40,531 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:44:40,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3041 states, 3035 states have (on average 1.3759472817133442) internal successors, (4176), 3040 states have internal predecessors, (4176), 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 18:44:40,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3041 states to 3041 states and 4176 transitions. [2022-02-20 18:44:40,904 INFO L78 Accepts]: Start accepts. Automaton has 3041 states and 4176 transitions. Word has length 52 [2022-02-20 18:44:40,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:44:40,904 INFO L470 AbstractCegarLoop]: Abstraction has 3041 states and 4176 transitions. [2022-02-20 18:44:40,904 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 18:44:40,905 INFO L276 IsEmpty]: Start isEmpty. Operand 3041 states and 4176 transitions. [2022-02-20 18:44:40,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-02-20 18:44:40,907 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:44:40,907 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 18:44:40,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 18:44:40,907 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 18:44:40,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:44:40,908 INFO L85 PathProgramCache]: Analyzing trace with hash 448762372, now seen corresponding path program 1 times [2022-02-20 18:44:40,908 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:44:40,908 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173355344] [2022-02-20 18:44:40,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:44:40,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:44:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:44:41,078 INFO L290 TraceCheckUtils]: 0: Hoare triple {36607#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(65, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~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_3702~0 := 0;~__return_1314~0 := 0;~__return_3564~0 := 0;~__return_1344~0 := 0;~__return_1334~0 := 0;~__return_1284~0 := 0;~__return_3254~0 := 0;~__return_1274~0 := 0;~__return_3142~0 := 0;~__return_1304~0 := 0;~__return_3453~0 := 0;~__return_1294~0 := 0;~__return_3341~0 := 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_2316~0 := 0;~__return_1154~0 := 0;~__return_2204~0 := 0;~__return_1184~0 := 0;~__return_1174~0 := 0;~__return_1124~0 := 0;~__return_1968~0 := 0;~__return_1114~0 := 0;~__return_1880~0 := 0;~__return_5137~0 := 0;~__return_1144~0 := 0;~__return_2117~0 := 0;~__return_1134~0 := 0;~__return_2029~0 := 0;~__return_1244~0 := 0;~__return_2934~0 := 0;~__return_1234~0 := 0;~__return_2822~0 := 0;~__return_1264~0 := 0;~__return_1254~0 := 0;~__return_1204~0 := 0;~__return_2586~0 := 0;~__return_1194~0 := 0;~__return_2498~0 := 0;~__return_1224~0 := 0;~__return_2735~0 := 0;~__return_1214~0 := 0;~__return_2647~0 := 0;~__return_1484~0 := 0;~__return_1474~0 := 0;~__return_4521~0 := 0;~__return_1504~0 := 0;~__return_1494~0 := 0;~__return_1444~0 := 0;~__return_1434~0 := 0;~__return_4327~0 := 0;~__return_1464~0 := 0;~__return_1454~0 := 0;~__return_4411~0 := 0;~__return_1564~0 := 0;~__return_1554~0 := 0;~__return_4869~0 := 0;~__return_1584~0 := 0;~__return_1574~0 := 0;~__return_1524~0 := 0;~__return_1514~0 := 0;~__return_4675~0 := 0;~__return_1544~0 := 0;~__return_1534~0 := 0;~__return_4759~0 := 0; {36609#(and (<= (+ ~nomsg~0 1) 0) (<= 0 (+ ~nomsg~0 1)))} is VALID [2022-02-20 18:44:41,079 INFO L290 TraceCheckUtils]: 1: Hoare triple {36609#(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; {36610#(and (<= (+ ~nomsg~0 1) 0) (<= ~id1~0 (+ ~nomsg~0 128)) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:44:41,080 INFO L290 TraceCheckUtils]: 2: Hoare triple {36610#(and (<= (+ ~nomsg~0 1) 0) (<= ~id1~0 (+ ~nomsg~0 128)) (<= ~send1~0 (+ ~nomsg~0 128)))} assume 0 == ~r1~0 % 256; {36610#(and (<= (+ ~nomsg~0 1) 0) (<= ~id1~0 (+ ~nomsg~0 128)) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:44:41,087 INFO L290 TraceCheckUtils]: 3: Hoare triple {36610#(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; {36610#(and (<= (+ ~nomsg~0 1) 0) (<= ~id1~0 (+ ~nomsg~0 128)) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:44:41,087 INFO L290 TraceCheckUtils]: 4: Hoare triple {36610#(and (<= (+ ~nomsg~0 1) 0) (<= ~id1~0 (+ ~nomsg~0 128)) (<= ~send1~0 (+ ~nomsg~0 128)))} assume ~id1~0 >= 0; {36611#(and (<= (+ ~nomsg~0 1) ~id1~0) (<= ~id1~0 (+ ~nomsg~0 128)) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:44:41,088 INFO L290 TraceCheckUtils]: 5: Hoare triple {36611#(and (<= (+ ~nomsg~0 1) ~id1~0) (<= ~id1~0 (+ ~nomsg~0 128)) (<= ~send1~0 (+ ~nomsg~0 128)))} assume 0 == ~st1~0; {36611#(and (<= (+ ~nomsg~0 1) ~id1~0) (<= ~id1~0 (+ ~nomsg~0 128)) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:44:41,088 INFO L290 TraceCheckUtils]: 6: Hoare triple {36611#(and (<= (+ ~nomsg~0 1) ~id1~0) (<= ~id1~0 (+ ~nomsg~0 128)) (<= ~send1~0 (+ ~nomsg~0 128)))} assume ~send1~0 == ~id1~0; {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:44:41,089 INFO L290 TraceCheckUtils]: 7: Hoare triple {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume 0 == ~mode1~0 % 256; {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:44:41,089 INFO L290 TraceCheckUtils]: 8: Hoare triple {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume ~id2~0 >= 0; {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:44:41,089 INFO L290 TraceCheckUtils]: 9: Hoare triple {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume 0 == ~st2~0; {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:44:41,090 INFO L290 TraceCheckUtils]: 10: Hoare triple {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume ~send2~0 == ~id2~0; {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:44:41,090 INFO L290 TraceCheckUtils]: 11: Hoare triple {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume 0 == ~mode2~0 % 256; {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:44:41,091 INFO L290 TraceCheckUtils]: 12: Hoare triple {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume ~id3~0 >= 0; {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:44:41,091 INFO L290 TraceCheckUtils]: 13: Hoare triple {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume 0 == ~st3~0; {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:44:41,092 INFO L290 TraceCheckUtils]: 14: Hoare triple {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume ~send3~0 == ~id3~0; {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:44:41,092 INFO L290 TraceCheckUtils]: 15: Hoare triple {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume 0 == ~mode3~0 % 256; {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:44:41,092 INFO L290 TraceCheckUtils]: 16: Hoare triple {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume ~id1~0 != ~id2~0; {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:44:41,093 INFO L290 TraceCheckUtils]: 17: Hoare triple {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume ~id1~0 != ~id3~0; {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:44:41,093 INFO L290 TraceCheckUtils]: 18: Hoare triple {36612#(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; {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:44:41,094 INFO L290 TraceCheckUtils]: 19: Hoare triple {36612#(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; {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:44:41,094 INFO L290 TraceCheckUtils]: 20: Hoare triple {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume !!(0 == ~mode1~0 % 256); {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:44:41,095 INFO L290 TraceCheckUtils]: 21: Hoare triple {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume !(0 == ~alive1~0 % 256);havoc main_~node1____CPAchecker_TMP_0~0#1; {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:44:41,095 INFO L290 TraceCheckUtils]: 22: Hoare triple {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} assume ~send1~0 != ~nomsg~0; {36612#(and (<= (+ ~nomsg~0 1) ~send1~0) (<= ~send1~0 (+ ~nomsg~0 128)))} is VALID [2022-02-20 18:44:41,096 INFO L290 TraceCheckUtils]: 23: Hoare triple {36612#(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); {36613#(not (= ~nomsg~0 ~p1_new~0))} is VALID [2022-02-20 18:44:41,097 INFO L290 TraceCheckUtils]: 24: Hoare triple {36613#(not (= ~nomsg~0 ~p1_new~0))} ~mode1~0 := 1;havoc main_~node2__m2~0#1;main_~node2__m2~0#1 := ~nomsg~0; {36613#(not (= ~nomsg~0 ~p1_new~0))} is VALID [2022-02-20 18:44:41,098 INFO L290 TraceCheckUtils]: 25: Hoare triple {36613#(not (= ~nomsg~0 ~p1_new~0))} assume !!(0 == ~mode2~0 % 256); {36613#(not (= ~nomsg~0 ~p1_new~0))} is VALID [2022-02-20 18:44:41,098 INFO L290 TraceCheckUtils]: 26: Hoare triple {36613#(not (= ~nomsg~0 ~p1_new~0))} assume !(0 == ~alive2~0 % 256);havoc main_~node2____CPAchecker_TMP_0~0#1; {36613#(not (= ~nomsg~0 ~p1_new~0))} is VALID [2022-02-20 18:44:41,100 INFO L290 TraceCheckUtils]: 27: Hoare triple {36613#(not (= ~nomsg~0 ~p1_new~0))} assume ~send2~0 != ~nomsg~0; {36613#(not (= ~nomsg~0 ~p1_new~0))} is VALID [2022-02-20 18:44:41,101 INFO L290 TraceCheckUtils]: 28: Hoare triple {36613#(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; {36613#(not (= ~nomsg~0 ~p1_new~0))} is VALID [2022-02-20 18:44:41,101 INFO L290 TraceCheckUtils]: 29: Hoare triple {36613#(not (= ~nomsg~0 ~p1_new~0))} assume !!(0 == ~mode3~0 % 256); {36613#(not (= ~nomsg~0 ~p1_new~0))} is VALID [2022-02-20 18:44:41,101 INFO L290 TraceCheckUtils]: 30: Hoare triple {36613#(not (= ~nomsg~0 ~p1_new~0))} assume !(0 == ~alive3~0 % 256);havoc main_~node3____CPAchecker_TMP_0~0#1; {36613#(not (= ~nomsg~0 ~p1_new~0))} is VALID [2022-02-20 18:44:41,102 INFO L290 TraceCheckUtils]: 31: Hoare triple {36613#(not (= ~nomsg~0 ~p1_new~0))} assume ~send3~0 != ~nomsg~0; {36613#(not (= ~nomsg~0 ~p1_new~0))} is VALID [2022-02-20 18:44:41,102 INFO L290 TraceCheckUtils]: 32: Hoare triple {36613#(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; {36614#(not (= ~nomsg~0 ~p1_old~0))} is VALID [2022-02-20 18:44:41,103 INFO L290 TraceCheckUtils]: 33: Hoare triple {36614#(not (= ~nomsg~0 ~p1_old~0))} assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; {36614#(not (= ~nomsg~0 ~p1_old~0))} is VALID [2022-02-20 18:44:41,103 INFO L290 TraceCheckUtils]: 34: Hoare triple {36614#(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; {36614#(not (= ~nomsg~0 ~p1_old~0))} is VALID [2022-02-20 18:44:41,104 INFO L290 TraceCheckUtils]: 35: Hoare triple {36614#(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; {36614#(not (= ~nomsg~0 ~p1_old~0))} is VALID [2022-02-20 18:44:41,104 INFO L290 TraceCheckUtils]: 36: Hoare triple {36614#(not (= ~nomsg~0 ~p1_old~0))} assume !(0 == ~mode1~0 % 256); {36614#(not (= ~nomsg~0 ~p1_old~0))} is VALID [2022-02-20 18:44:41,105 INFO L290 TraceCheckUtils]: 37: Hoare triple {36614#(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; {36614#(not (= ~nomsg~0 ~p1_old~0))} is VALID [2022-02-20 18:44:41,106 INFO L290 TraceCheckUtils]: 38: Hoare triple {36614#(not (= ~nomsg~0 ~p1_old~0))} assume main_~node1__m1~1#1 != ~nomsg~0; {36614#(not (= ~nomsg~0 ~p1_old~0))} is VALID [2022-02-20 18:44:41,106 INFO L290 TraceCheckUtils]: 39: Hoare triple {36614#(not (= ~nomsg~0 ~p1_old~0))} assume !(0 == ~alive1~0 % 256); {36614#(not (= ~nomsg~0 ~p1_old~0))} is VALID [2022-02-20 18:44:41,106 INFO L290 TraceCheckUtils]: 40: Hoare triple {36614#(not (= ~nomsg~0 ~p1_old~0))} assume !(main_~node1__m1~1#1 > ~id1~0); {36614#(not (= ~nomsg~0 ~p1_old~0))} is VALID [2022-02-20 18:44:41,107 INFO L290 TraceCheckUtils]: 41: Hoare triple {36614#(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; {36614#(not (= ~nomsg~0 ~p1_old~0))} is VALID [2022-02-20 18:44:41,107 INFO L290 TraceCheckUtils]: 42: Hoare triple {36614#(not (= ~nomsg~0 ~p1_old~0))} assume !(0 == ~mode2~0 % 256);main_~node2__m2~1#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {36615#(not (= ~nomsg~0 |ULTIMATE.start_main_~node2__m2~1#1|))} is VALID [2022-02-20 18:44:41,108 INFO L290 TraceCheckUtils]: 43: Hoare triple {36615#(not (= ~nomsg~0 |ULTIMATE.start_main_~node2__m2~1#1|))} assume !(main_~node2__m2~1#1 != ~nomsg~0);~mode2~0 := 0; {36608#false} is VALID [2022-02-20 18:44:41,108 INFO L290 TraceCheckUtils]: 44: Hoare triple {36608#false} havoc main_~node3__m3~13#1;main_~node3__m3~13#1 := ~nomsg~0; {36608#false} is VALID [2022-02-20 18:44:41,108 INFO L290 TraceCheckUtils]: 45: Hoare triple {36608#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~13#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {36608#false} is VALID [2022-02-20 18:44:41,108 INFO L290 TraceCheckUtils]: 46: Hoare triple {36608#false} assume main_~node3__m3~13#1 != ~nomsg~0; {36608#false} is VALID [2022-02-20 18:44:41,108 INFO L290 TraceCheckUtils]: 47: Hoare triple {36608#false} assume !(0 == ~alive3~0 % 256); {36608#false} is VALID [2022-02-20 18:44:41,109 INFO L290 TraceCheckUtils]: 48: Hoare triple {36608#false} assume !(main_~node3__m3~13#1 > ~id3~0); {36608#false} is VALID [2022-02-20 18:44:41,109 INFO L290 TraceCheckUtils]: 49: Hoare triple {36608#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; {36608#false} is VALID [2022-02-20 18:44:41,109 INFO L290 TraceCheckUtils]: 50: Hoare triple {36608#false} assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);main_~check__tmp~23#1 := 0;~__return_2316~0 := main_~check__tmp~23#1;main_~main__c1~0#1 := ~__return_2316~0;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; {36608#false} is VALID [2022-02-20 18:44:41,109 INFO L290 TraceCheckUtils]: 51: Hoare triple {36608#false} assume 0 == main_~assert__arg~23#1 % 256; {36608#false} is VALID [2022-02-20 18:44:41,109 INFO L290 TraceCheckUtils]: 52: Hoare triple {36608#false} assume !false; {36608#false} is VALID [2022-02-20 18:44:41,110 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 18:44:41,110 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:44:41,110 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173355344] [2022-02-20 18:44:41,110 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173355344] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:44:41,111 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:44:41,111 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-20 18:44:41,111 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833238233] [2022-02-20 18:44:41,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:44:41,111 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 18:44:41,112 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:44:41,112 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 18:44:41,153 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 18:44:41,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-20 18:44:41,154 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:44:41,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-20 18:44:41,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-02-20 18:44:41,155 INFO L87 Difference]: Start difference. First operand 3041 states and 4176 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 18:44:58,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:44:58,408 INFO L93 Difference]: Finished difference Result 6107 states and 8640 transitions. [2022-02-20 18:44:58,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-20 18:44:58,408 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 18:44:58,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:44:58,408 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 18:44:58,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2418 transitions. [2022-02-20 18:44:58,434 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 18:44:58,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2418 transitions. [2022-02-20 18:44:58,453 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states and 2418 transitions. [2022-02-20 18:45:00,202 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 2418 edges. 2418 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity.