./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.p+lhb-reducer.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.p+lhb-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 afd688b49db4d2cf9e7e2109162780e9655a2ed2ed733e9c6c0c10bb8df3342c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 18:45:29,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 18:45:29,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 18:45:29,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 18:45:29,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 18:45:29,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 18:45:29,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 18:45:29,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 18:45:29,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 18:45:29,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 18:45:29,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 18:45:29,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 18:45:29,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 18:45:29,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 18:45:29,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 18:45:29,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 18:45:29,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 18:45:29,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 18:45:29,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 18:45:29,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 18:45:29,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 18:45:29,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 18:45:29,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 18:45:29,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 18:45:29,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 18:45:29,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 18:45:29,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 18:45:29,279 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 18:45:29,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 18:45:29,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 18:45:29,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 18:45:29,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 18:45:29,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 18:45:29,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 18:45:29,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 18:45:29,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 18:45:29,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 18:45:29,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 18:45:29,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 18:45:29,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 18:45:29,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 18:45:29,286 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 18:45:29,303 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 18:45:29,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 18:45:29,304 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 18:45:29,304 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 18:45:29,305 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 18:45:29,305 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 18:45:29,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 18:45:29,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 18:45:29,306 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 18:45:29,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 18:45:29,306 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 18:45:29,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 18:45:29,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 18:45:29,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 18:45:29,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 18:45:29,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 18:45:29,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 18:45:29,308 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 18:45:29,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 18:45:29,308 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 18:45:29,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 18:45:29,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 18:45:29,309 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 18:45:29,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 18:45:29,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:45:29,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 18:45:29,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 18:45:29,310 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 18:45:29,311 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 18:45:29,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 18:45:29,311 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 18:45:29,311 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 18:45:29,311 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 18:45:29,312 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afd688b49db4d2cf9e7e2109162780e9655a2ed2ed733e9c6c0c10bb8df3342c [2022-02-20 18:45:29,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 18:45:29,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 18:45:29,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 18:45:29,526 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 18:45:29,526 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 18:45:29,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.p+lhb-reducer.c [2022-02-20 18:45:29,588 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6aed163a/65de87ddc77f44c0bc32c8a56ace9834/FLAG90e33afad [2022-02-20 18:45:30,051 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 18:45:30,052 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.p+lhb-reducer.c [2022-02-20 18:45:30,068 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6aed163a/65de87ddc77f44c0bc32c8a56ace9834/FLAG90e33afad [2022-02-20 18:45:30,078 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6aed163a/65de87ddc77f44c0bc32c8a56ace9834 [2022-02-20 18:45:30,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 18:45:30,082 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 18:45:30,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 18:45:30,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 18:45:30,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 18:45:30,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:45:30" (1/1) ... [2022-02-20 18:45:30,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c101616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:45:30, skipping insertion in model container [2022-02-20 18:45:30,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:45:30" (1/1) ... [2022-02-20 18:45:30,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 18:45:30,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 18:45:30,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.p+lhb-reducer.c[12887,12900] [2022-02-20 18:45:30,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:45:30,614 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 18:45:30,706 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.p+lhb-reducer.c[12887,12900] [2022-02-20 18:45:30,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:45:30,809 INFO L208 MainTranslator]: Completed translation [2022-02-20 18:45:30,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:45:30 WrapperNode [2022-02-20 18:45:30,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 18:45:30,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 18:45:30,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 18:45:30,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 18:45:30,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:45:30" (1/1) ... [2022-02-20 18:45:30,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:45:30" (1/1) ... [2022-02-20 18:45:30,926 INFO L137 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1359 [2022-02-20 18:45:30,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 18:45:30,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 18:45:30,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 18:45:30,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 18:45:30,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:45:30" (1/1) ... [2022-02-20 18:45:30,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:45:30" (1/1) ... [2022-02-20 18:45:30,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:45:30" (1/1) ... [2022-02-20 18:45:30,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:45:30" (1/1) ... [2022-02-20 18:45:30,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:45:30" (1/1) ... [2022-02-20 18:45:30,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:45:30" (1/1) ... [2022-02-20 18:45:30,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:45:30" (1/1) ... [2022-02-20 18:45:30,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 18:45:30,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 18:45:30,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 18:45:30,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 18:45:30,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:45:30" (1/1) ... [2022-02-20 18:45:31,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:45:31,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:45:31,040 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 18:45:31,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 18:45:31,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 18:45:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 18:45:31,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 18:45:31,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 18:45:31,229 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 18:45:31,230 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 18:45:32,358 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 18:45:32,377 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 18:45:32,377 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 18:45:32,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:45:32 BoogieIcfgContainer [2022-02-20 18:45:32,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 18:45:32,382 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 18:45:32,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 18:45:32,385 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 18:45:32,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 06:45:30" (1/3) ... [2022-02-20 18:45:32,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b6af918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:45:32, skipping insertion in model container [2022-02-20 18:45:32,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:45:30" (2/3) ... [2022-02-20 18:45:32,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b6af918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:45:32, skipping insertion in model container [2022-02-20 18:45:32,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:45:32" (3/3) ... [2022-02-20 18:45:32,390 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.p+lhb-reducer.c [2022-02-20 18:45:32,395 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 18:45:32,395 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 18:45:32,443 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 18:45:32,447 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 18:45:32,448 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 18:45:32,477 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.6421800947867298) internal successors, (693), 423 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:32,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-02-20 18:45:32,497 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:45:32,497 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:45:32,498 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:45:32,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:45:32,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1764715796, now seen corresponding path program 1 times [2022-02-20 18:45:32,515 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:45:32,515 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811129355] [2022-02-20 18:45:32,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:45:32,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:45:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:45:32,793 INFO L290 TraceCheckUtils]: 0: Hoare triple {427#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(65, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~__return_1566~0 := 0;~__return_1653~0 := 0;~__return_1737~0 := 0;~__return_1821~0 := 0;~__return_1905~0 := 0;~__tmp_1915_0~0 := 0;~__return_1991~0 := 0;~__return_1918~0 := 0; {427#true} is VALID [2022-02-20 18:45:32,794 INFO L290 TraceCheckUtils]: 1: Hoare triple {427#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_~main____CPAchecker_TMP_0~4#1, main_~__tmp_5~0#1, main_~assert__arg~4#1, main_~check__tmp~4#1, main_~node4____CPAchecker_TMP_0~0#1, main_~node4____CPAchecker_TMP_1~0#1, main_~node4__m4~4#1, main_~node3____CPAchecker_TMP_0~0#1, main_~node3____CPAchecker_TMP_1~0#1, main_~node3__m3~4#1, main_~node2____CPAchecker_TMP_0~0#1, main_~node2____CPAchecker_TMP_1~0#1, main_~node2__m2~4#1, main_~node1____CPAchecker_TMP_0~0#1, main_~node1____CPAchecker_TMP_1~0#1, main_~node1__m1~4#1, main_~main____CPAchecker_TMP_0~3#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~3#1, main_~node4____CPAchecker_TMP_0~1#1, main_~node4____CPAchecker_TMP_1~1#1, main_~node4__m4~3#1, main_~node3____CPAchecker_TMP_0~1#1, main_~node3____CPAchecker_TMP_1~1#1, main_~node3__m3~3#1, main_~node2____CPAchecker_TMP_0~1#1, main_~node2____CPAchecker_TMP_1~1#1, main_~node2__m2~3#1, main_~node1____CPAchecker_TMP_0~1#1, main_~node1____CPAchecker_TMP_1~1#1, main_~node1__m1~3#1, main_~main____CPAchecker_TMP_0~2#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~2#1, main_~node4____CPAchecker_TMP_0~2#1, main_~node4____CPAchecker_TMP_1~2#1, main_~node4__m4~2#1, main_~node3____CPAchecker_TMP_0~2#1, main_~node3____CPAchecker_TMP_1~2#1, main_~node3__m3~2#1, main_~node2____CPAchecker_TMP_0~2#1, main_~node2____CPAchecker_TMP_1~2#1, main_~node2__m2~2#1, main_~node1____CPAchecker_TMP_0~2#1, main_~node1____CPAchecker_TMP_1~2#1, main_~node1__m1~2#1, main_~main____CPAchecker_TMP_0~1#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~1#1, main_~node4____CPAchecker_TMP_0~3#1, main_~node4____CPAchecker_TMP_1~3#1, main_~node4__m4~1#1, main_~node3____CPAchecker_TMP_0~3#1, main_~node3____CPAchecker_TMP_1~3#1, main_~node3__m3~1#1, main_~node2____CPAchecker_TMP_0~3#1, main_~node2____CPAchecker_TMP_1~3#1, main_~node2__m2~1#1, main_~node1____CPAchecker_TMP_0~3#1, main_~node1____CPAchecker_TMP_1~3#1, main_~node1__m1~1#1, main_~main____CPAchecker_TMP_0~0#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~node4____CPAchecker_TMP_0~4#1, main_~node4____CPAchecker_TMP_1~4#1, main_~node4__m4~0#1, main_~node3____CPAchecker_TMP_0~4#1, main_~node3____CPAchecker_TMP_1~4#1, main_~node3__m3~0#1, main_~node2____CPAchecker_TMP_0~4#1, main_~node2____CPAchecker_TMP_1~4#1, main_~node2__m2~0#1, main_~node1____CPAchecker_TMP_0~4#1, main_~node1____CPAchecker_TMP_1~4#1, main_~node1__m1~0#1, main_~init__tmp~0#1, main_~main__c1~0#1, main_~main__i2~0#1;havoc main_~main__c1~0#1;havoc main_~main__i2~0#1;main_~main__c1~0#1 := 0;assume -128 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 127;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -128 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 127;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -128 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 127;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -128 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 127;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -128 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 127;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -128 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 127;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -128 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 127;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;assume -128 <= main_#t~nondet15#1 && main_#t~nondet15#1 <= 127;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;assume -128 <= main_#t~nondet16#1 && main_#t~nondet16#1 <= 127;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume -128 <= main_#t~nondet17#1 && main_#t~nondet17#1 <= 127;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;assume -128 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 127;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;assume -128 <= main_#t~nondet21#1 && main_#t~nondet21#1 <= 127;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;assume -128 <= main_#t~nondet22#1 && main_#t~nondet22#1 <= 127;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_~init__tmp~0#1; {427#true} is VALID [2022-02-20 18:45:32,795 INFO L290 TraceCheckUtils]: 2: Hoare triple {427#true} assume !(0 == ~r1~0);main_~init__tmp~0#1 := 0; {429#(= |ULTIMATE.start_main_~init__tmp~0#1| 0)} is VALID [2022-02-20 18:45:32,796 INFO L290 TraceCheckUtils]: 3: Hoare triple {429#(= |ULTIMATE.start_main_~init__tmp~0#1| 0)} ~__return_1566~0 := main_~init__tmp~0#1;main_~main__i2~0#1 := ~__return_1566~0; {430#(= |ULTIMATE.start_main_~main__i2~0#1| 0)} is VALID [2022-02-20 18:45:32,796 INFO L290 TraceCheckUtils]: 4: Hoare triple {430#(= |ULTIMATE.start_main_~main__i2~0#1| 0)} assume 0 != main_~main__i2~0#1;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~main__i2~0#1 := 0; {428#false} is VALID [2022-02-20 18:45:32,797 INFO L290 TraceCheckUtils]: 5: Hoare triple {428#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~0#1;main_~node1__m1~0#1 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,803 INFO L290 TraceCheckUtils]: 6: Hoare triple {428#false} assume !(0 == ~mode1~0 % 256);~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);main_~node1__m1~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,803 INFO L290 TraceCheckUtils]: 7: Hoare triple {428#false} assume !(main_~node1__m1~0#1 != ~nomsg~0); {428#false} is VALID [2022-02-20 18:45:32,804 INFO L290 TraceCheckUtils]: 8: Hoare triple {428#false} ~mode1~0 := 0; {428#false} is VALID [2022-02-20 18:45:32,804 INFO L290 TraceCheckUtils]: 9: Hoare triple {428#false} havoc main_~node2__m2~0#1;main_~node2__m2~0#1 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,804 INFO L290 TraceCheckUtils]: 10: Hoare triple {428#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,805 INFO L290 TraceCheckUtils]: 11: Hoare triple {428#false} assume !(main_~node2__m2~0#1 != ~nomsg~0); {428#false} is VALID [2022-02-20 18:45:32,805 INFO L290 TraceCheckUtils]: 12: Hoare triple {428#false} ~mode2~0 := 0; {428#false} is VALID [2022-02-20 18:45:32,805 INFO L290 TraceCheckUtils]: 13: Hoare triple {428#false} havoc main_~node3__m3~0#1;main_~node3__m3~0#1 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,806 INFO L290 TraceCheckUtils]: 14: Hoare triple {428#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,806 INFO L290 TraceCheckUtils]: 15: Hoare triple {428#false} assume !(main_~node3__m3~0#1 != ~nomsg~0); {428#false} is VALID [2022-02-20 18:45:32,806 INFO L290 TraceCheckUtils]: 16: Hoare triple {428#false} ~mode3~0 := 0; {428#false} is VALID [2022-02-20 18:45:32,807 INFO L290 TraceCheckUtils]: 17: Hoare triple {428#false} havoc main_~node4__m4~0#1;main_~node4__m4~0#1 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,807 INFO L290 TraceCheckUtils]: 18: Hoare triple {428#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,808 INFO L290 TraceCheckUtils]: 19: Hoare triple {428#false} assume !(main_~node4__m4~0#1 != ~nomsg~0); {428#false} is VALID [2022-02-20 18:45:32,808 INFO L290 TraceCheckUtils]: 20: Hoare triple {428#false} ~mode4~0 := 0; {428#false} is VALID [2022-02-20 18:45:32,809 INFO L290 TraceCheckUtils]: 21: Hoare triple {428#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~0#1; {428#false} is VALID [2022-02-20 18:45:32,809 INFO L290 TraceCheckUtils]: 22: Hoare triple {428#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~0#1 := 0; {428#false} is VALID [2022-02-20 18:45:32,809 INFO L290 TraceCheckUtils]: 23: Hoare triple {428#false} ~__return_1653~0 := main_~check__tmp~0#1;main_~main__c1~0#1 := ~__return_1653~0;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; {428#false} is VALID [2022-02-20 18:45:32,810 INFO L290 TraceCheckUtils]: 24: Hoare triple {428#false} assume !(0 == main_~assert__arg~0#1 % 256);main_~main____CPAchecker_TMP_0~0#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1; {428#false} is VALID [2022-02-20 18:45:32,811 INFO L290 TraceCheckUtils]: 25: Hoare triple {428#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~1#1;main_~node1__m1~1#1 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,811 INFO L290 TraceCheckUtils]: 26: Hoare triple {428#false} assume !(0 == ~mode1~0 % 256);~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);main_~node1__m1~1#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,811 INFO L290 TraceCheckUtils]: 27: Hoare triple {428#false} assume !(main_~node1__m1~1#1 != ~nomsg~0); {428#false} is VALID [2022-02-20 18:45:32,812 INFO L290 TraceCheckUtils]: 28: Hoare triple {428#false} ~mode1~0 := 0; {428#false} is VALID [2022-02-20 18:45:32,812 INFO L290 TraceCheckUtils]: 29: Hoare triple {428#false} havoc main_~node2__m2~1#1;main_~node2__m2~1#1 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,812 INFO L290 TraceCheckUtils]: 30: Hoare triple {428#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~1#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,812 INFO L290 TraceCheckUtils]: 31: Hoare triple {428#false} assume !(main_~node2__m2~1#1 != ~nomsg~0); {428#false} is VALID [2022-02-20 18:45:32,813 INFO L290 TraceCheckUtils]: 32: Hoare triple {428#false} ~mode2~0 := 0; {428#false} is VALID [2022-02-20 18:45:32,813 INFO L290 TraceCheckUtils]: 33: Hoare triple {428#false} havoc main_~node3__m3~1#1;main_~node3__m3~1#1 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,814 INFO L290 TraceCheckUtils]: 34: Hoare triple {428#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~1#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,814 INFO L290 TraceCheckUtils]: 35: Hoare triple {428#false} assume !(main_~node3__m3~1#1 != ~nomsg~0); {428#false} is VALID [2022-02-20 18:45:32,814 INFO L290 TraceCheckUtils]: 36: Hoare triple {428#false} ~mode3~0 := 0; {428#false} is VALID [2022-02-20 18:45:32,815 INFO L290 TraceCheckUtils]: 37: Hoare triple {428#false} havoc main_~node4__m4~1#1;main_~node4__m4~1#1 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,815 INFO L290 TraceCheckUtils]: 38: Hoare triple {428#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~1#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,815 INFO L290 TraceCheckUtils]: 39: Hoare triple {428#false} assume !(main_~node4__m4~1#1 != ~nomsg~0); {428#false} is VALID [2022-02-20 18:45:32,816 INFO L290 TraceCheckUtils]: 40: Hoare triple {428#false} ~mode4~0 := 0; {428#false} is VALID [2022-02-20 18:45:32,816 INFO L290 TraceCheckUtils]: 41: Hoare triple {428#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~1#1; {428#false} is VALID [2022-02-20 18:45:32,816 INFO L290 TraceCheckUtils]: 42: Hoare triple {428#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~1#1 := 0; {428#false} is VALID [2022-02-20 18:45:32,817 INFO L290 TraceCheckUtils]: 43: Hoare triple {428#false} ~__return_1737~0 := main_~check__tmp~1#1;main_~main__c1~0#1 := ~__return_1737~0;havoc main_~__tmp_2~0#1;main_~__tmp_2~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~1#1;main_~assert__arg~1#1 := main_~__tmp_2~0#1; {428#false} is VALID [2022-02-20 18:45:32,817 INFO L290 TraceCheckUtils]: 44: Hoare triple {428#false} assume !(0 == main_~assert__arg~1#1 % 256);main_~main____CPAchecker_TMP_0~1#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1; {428#false} is VALID [2022-02-20 18:45:32,817 INFO L290 TraceCheckUtils]: 45: Hoare triple {428#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~2#1;main_~node1__m1~2#1 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,818 INFO L290 TraceCheckUtils]: 46: Hoare triple {428#false} assume !(0 == ~mode1~0 % 256);~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);main_~node1__m1~2#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,818 INFO L290 TraceCheckUtils]: 47: Hoare triple {428#false} assume !(main_~node1__m1~2#1 != ~nomsg~0); {428#false} is VALID [2022-02-20 18:45:32,818 INFO L290 TraceCheckUtils]: 48: Hoare triple {428#false} ~mode1~0 := 0; {428#false} is VALID [2022-02-20 18:45:32,819 INFO L290 TraceCheckUtils]: 49: Hoare triple {428#false} havoc main_~node2__m2~2#1;main_~node2__m2~2#1 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,822 INFO L290 TraceCheckUtils]: 50: Hoare triple {428#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~2#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,823 INFO L290 TraceCheckUtils]: 51: Hoare triple {428#false} assume !(main_~node2__m2~2#1 != ~nomsg~0); {428#false} is VALID [2022-02-20 18:45:32,823 INFO L290 TraceCheckUtils]: 52: Hoare triple {428#false} ~mode2~0 := 0; {428#false} is VALID [2022-02-20 18:45:32,824 INFO L290 TraceCheckUtils]: 53: Hoare triple {428#false} havoc main_~node3__m3~2#1;main_~node3__m3~2#1 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,824 INFO L290 TraceCheckUtils]: 54: Hoare triple {428#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~2#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,826 INFO L290 TraceCheckUtils]: 55: Hoare triple {428#false} assume !(main_~node3__m3~2#1 != ~nomsg~0); {428#false} is VALID [2022-02-20 18:45:32,827 INFO L290 TraceCheckUtils]: 56: Hoare triple {428#false} ~mode3~0 := 0; {428#false} is VALID [2022-02-20 18:45:32,827 INFO L290 TraceCheckUtils]: 57: Hoare triple {428#false} havoc main_~node4__m4~2#1;main_~node4__m4~2#1 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,828 INFO L290 TraceCheckUtils]: 58: Hoare triple {428#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~2#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,828 INFO L290 TraceCheckUtils]: 59: Hoare triple {428#false} assume !(main_~node4__m4~2#1 != ~nomsg~0); {428#false} is VALID [2022-02-20 18:45:32,828 INFO L290 TraceCheckUtils]: 60: Hoare triple {428#false} ~mode4~0 := 0; {428#false} is VALID [2022-02-20 18:45:32,828 INFO L290 TraceCheckUtils]: 61: Hoare triple {428#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~2#1; {428#false} is VALID [2022-02-20 18:45:32,829 INFO L290 TraceCheckUtils]: 62: Hoare triple {428#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~2#1 := 0; {428#false} is VALID [2022-02-20 18:45:32,829 INFO L290 TraceCheckUtils]: 63: Hoare triple {428#false} ~__return_1821~0 := main_~check__tmp~2#1;main_~main__c1~0#1 := ~__return_1821~0;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; {428#false} is VALID [2022-02-20 18:45:32,829 INFO L290 TraceCheckUtils]: 64: Hoare triple {428#false} assume !(0 == main_~assert__arg~2#1 % 256);main_~main____CPAchecker_TMP_0~2#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1; {428#false} is VALID [2022-02-20 18:45:32,830 INFO L290 TraceCheckUtils]: 65: Hoare triple {428#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~3#1;main_~node1__m1~3#1 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,830 INFO L290 TraceCheckUtils]: 66: Hoare triple {428#false} assume !(0 == ~mode1~0 % 256);~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);main_~node1__m1~3#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,830 INFO L290 TraceCheckUtils]: 67: Hoare triple {428#false} assume !(main_~node1__m1~3#1 != ~nomsg~0); {428#false} is VALID [2022-02-20 18:45:32,831 INFO L290 TraceCheckUtils]: 68: Hoare triple {428#false} ~mode1~0 := 0; {428#false} is VALID [2022-02-20 18:45:32,831 INFO L290 TraceCheckUtils]: 69: Hoare triple {428#false} havoc main_~node2__m2~3#1;main_~node2__m2~3#1 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,831 INFO L290 TraceCheckUtils]: 70: Hoare triple {428#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~3#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,831 INFO L290 TraceCheckUtils]: 71: Hoare triple {428#false} assume !(main_~node2__m2~3#1 != ~nomsg~0); {428#false} is VALID [2022-02-20 18:45:32,831 INFO L290 TraceCheckUtils]: 72: Hoare triple {428#false} ~mode2~0 := 0; {428#false} is VALID [2022-02-20 18:45:32,832 INFO L290 TraceCheckUtils]: 73: Hoare triple {428#false} havoc main_~node3__m3~3#1;main_~node3__m3~3#1 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,832 INFO L290 TraceCheckUtils]: 74: Hoare triple {428#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~3#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,832 INFO L290 TraceCheckUtils]: 75: Hoare triple {428#false} assume !(main_~node3__m3~3#1 != ~nomsg~0); {428#false} is VALID [2022-02-20 18:45:32,833 INFO L290 TraceCheckUtils]: 76: Hoare triple {428#false} ~mode3~0 := 0; {428#false} is VALID [2022-02-20 18:45:32,833 INFO L290 TraceCheckUtils]: 77: Hoare triple {428#false} havoc main_~node4__m4~3#1;main_~node4__m4~3#1 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,834 INFO L290 TraceCheckUtils]: 78: Hoare triple {428#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~3#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,835 INFO L290 TraceCheckUtils]: 79: Hoare triple {428#false} assume !(main_~node4__m4~3#1 != ~nomsg~0); {428#false} is VALID [2022-02-20 18:45:32,837 INFO L290 TraceCheckUtils]: 80: Hoare triple {428#false} ~mode4~0 := 0; {428#false} is VALID [2022-02-20 18:45:32,837 INFO L290 TraceCheckUtils]: 81: Hoare triple {428#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~3#1; {428#false} is VALID [2022-02-20 18:45:32,837 INFO L290 TraceCheckUtils]: 82: Hoare triple {428#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~3#1 := 0; {428#false} is VALID [2022-02-20 18:45:32,838 INFO L290 TraceCheckUtils]: 83: Hoare triple {428#false} ~__return_1905~0 := main_~check__tmp~3#1;main_~main__c1~0#1 := ~__return_1905~0;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; {428#false} is VALID [2022-02-20 18:45:32,839 INFO L290 TraceCheckUtils]: 84: Hoare triple {428#false} assume !(0 == main_~assert__arg~3#1 % 256);main_~main____CPAchecker_TMP_0~3#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1;~__tmp_1915_0~0 := main_~main____CPAchecker_TMP_0~3#1; {428#false} is VALID [2022-02-20 18:45:32,839 INFO L290 TraceCheckUtils]: 85: Hoare triple {428#false} main_~main____CPAchecker_TMP_0~3#1 := ~__tmp_1915_0~0; {428#false} is VALID [2022-02-20 18:45:32,839 INFO L290 TraceCheckUtils]: 86: Hoare triple {428#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~4#1;main_~node1__m1~4#1 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,839 INFO L290 TraceCheckUtils]: 87: Hoare triple {428#false} assume !(0 == ~mode1~0 % 256);~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);main_~node1__m1~4#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,840 INFO L290 TraceCheckUtils]: 88: Hoare triple {428#false} assume !(main_~node1__m1~4#1 != ~nomsg~0); {428#false} is VALID [2022-02-20 18:45:32,843 INFO L290 TraceCheckUtils]: 89: Hoare triple {428#false} ~mode1~0 := 0; {428#false} is VALID [2022-02-20 18:45:32,843 INFO L290 TraceCheckUtils]: 90: Hoare triple {428#false} havoc main_~node2__m2~4#1;main_~node2__m2~4#1 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,844 INFO L290 TraceCheckUtils]: 91: Hoare triple {428#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~4#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,844 INFO L290 TraceCheckUtils]: 92: Hoare triple {428#false} assume !(main_~node2__m2~4#1 != ~nomsg~0); {428#false} is VALID [2022-02-20 18:45:32,844 INFO L290 TraceCheckUtils]: 93: Hoare triple {428#false} ~mode2~0 := 0; {428#false} is VALID [2022-02-20 18:45:32,845 INFO L290 TraceCheckUtils]: 94: Hoare triple {428#false} havoc main_~node3__m3~4#1;main_~node3__m3~4#1 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,845 INFO L290 TraceCheckUtils]: 95: Hoare triple {428#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~4#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,845 INFO L290 TraceCheckUtils]: 96: Hoare triple {428#false} assume !(main_~node3__m3~4#1 != ~nomsg~0); {428#false} is VALID [2022-02-20 18:45:32,845 INFO L290 TraceCheckUtils]: 97: Hoare triple {428#false} ~mode3~0 := 0; {428#false} is VALID [2022-02-20 18:45:32,845 INFO L290 TraceCheckUtils]: 98: Hoare triple {428#false} havoc main_~node4__m4~4#1;main_~node4__m4~4#1 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,846 INFO L290 TraceCheckUtils]: 99: Hoare triple {428#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~4#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {428#false} is VALID [2022-02-20 18:45:32,846 INFO L290 TraceCheckUtils]: 100: Hoare triple {428#false} assume !(main_~node4__m4~4#1 != ~nomsg~0); {428#false} is VALID [2022-02-20 18:45:32,846 INFO L290 TraceCheckUtils]: 101: Hoare triple {428#false} ~mode4~0 := 0; {428#false} is VALID [2022-02-20 18:45:32,847 INFO L290 TraceCheckUtils]: 102: Hoare triple {428#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~4#1; {428#false} is VALID [2022-02-20 18:45:32,847 INFO L290 TraceCheckUtils]: 103: Hoare triple {428#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~4#1 := 0; {428#false} is VALID [2022-02-20 18:45:32,847 INFO L290 TraceCheckUtils]: 104: Hoare triple {428#false} ~__return_1991~0 := main_~check__tmp~4#1;main_~main__c1~0#1 := ~__return_1991~0;havoc main_~__tmp_5~0#1;main_~__tmp_5~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~4#1;main_~assert__arg~4#1 := main_~__tmp_5~0#1; {428#false} is VALID [2022-02-20 18:45:32,854 INFO L290 TraceCheckUtils]: 105: Hoare triple {428#false} assume 0 == main_~assert__arg~4#1 % 256; {428#false} is VALID [2022-02-20 18:45:32,855 INFO L290 TraceCheckUtils]: 106: Hoare triple {428#false} assume !false; {428#false} is VALID [2022-02-20 18:45:32,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:45:32,857 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:45:32,858 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811129355] [2022-02-20 18:45:32,858 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811129355] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:45:32,858 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:45:32,859 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 18:45:32,860 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113710462] [2022-02-20 18:45:32,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:45:32,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 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 107 [2022-02-20 18:45:32,870 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:45:32,873 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:32,974 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 107 edges. 107 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:45:32,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 18:45:32,976 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:45:33,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 18:45:33,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 18:45:33,008 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.6421800947867298) internal successors, (693), 423 states have internal predecessors, (693), 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 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:34,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:45:34,055 INFO L93 Difference]: Finished difference Result 828 states and 1340 transitions. [2022-02-20 18:45:34,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:45:34,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 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 107 [2022-02-20 18:45:34,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:45:34,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:34,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1340 transitions. [2022-02-20 18:45:34,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:34,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1340 transitions. [2022-02-20 18:45:34,094 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 1340 transitions. [2022-02-20 18:45:35,025 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 1340 edges. 1340 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:45:35,071 INFO L225 Difference]: With dead ends: 828 [2022-02-20 18:45:35,071 INFO L226 Difference]: Without dead ends: 421 [2022-02-20 18:45:35,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:45:35,078 INFO L933 BasicCegarLoop]: 687 mSDtfsCounter, 134 mSDsluCounter, 1211 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1898 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 18:45:35,079 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 1898 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 18:45:35,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2022-02-20 18:45:35,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2022-02-20 18:45:35,121 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:45:35,123 INFO L82 GeneralOperation]: Start isEquivalent. First operand 421 states. Second operand has 421 states, 420 states have (on average 1.561904761904762) internal successors, (656), 420 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:35,125 INFO L74 IsIncluded]: Start isIncluded. First operand 421 states. Second operand has 421 states, 420 states have (on average 1.561904761904762) internal successors, (656), 420 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:35,127 INFO L87 Difference]: Start difference. First operand 421 states. Second operand has 421 states, 420 states have (on average 1.561904761904762) internal successors, (656), 420 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:35,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:45:35,158 INFO L93 Difference]: Finished difference Result 421 states and 656 transitions. [2022-02-20 18:45:35,158 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 656 transitions. [2022-02-20 18:45:35,161 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:45:35,162 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:45:35,164 INFO L74 IsIncluded]: Start isIncluded. First operand has 421 states, 420 states have (on average 1.561904761904762) internal successors, (656), 420 states have internal predecessors, (656), 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 421 states. [2022-02-20 18:45:35,164 INFO L87 Difference]: Start difference. First operand has 421 states, 420 states have (on average 1.561904761904762) internal successors, (656), 420 states have internal predecessors, (656), 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 421 states. [2022-02-20 18:45:35,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:45:35,181 INFO L93 Difference]: Finished difference Result 421 states and 656 transitions. [2022-02-20 18:45:35,181 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 656 transitions. [2022-02-20 18:45:35,182 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:45:35,182 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:45:35,182 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:45:35,183 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:45:35,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.561904761904762) internal successors, (656), 420 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:35,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 656 transitions. [2022-02-20 18:45:35,202 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 656 transitions. Word has length 107 [2022-02-20 18:45:35,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:45:35,203 INFO L470 AbstractCegarLoop]: Abstraction has 421 states and 656 transitions. [2022-02-20 18:45:35,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:35,203 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 656 transitions. [2022-02-20 18:45:35,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-02-20 18:45:35,206 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:45:35,207 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:45:35,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 18:45:35,207 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:45:35,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:45:35,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1708138426, now seen corresponding path program 1 times [2022-02-20 18:45:35,208 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:45:35,208 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184437222] [2022-02-20 18:45:35,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:45:35,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:45:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:45:35,358 INFO L290 TraceCheckUtils]: 0: Hoare triple {2971#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(65, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~__return_1566~0 := 0;~__return_1653~0 := 0;~__return_1737~0 := 0;~__return_1821~0 := 0;~__return_1905~0 := 0;~__tmp_1915_0~0 := 0;~__return_1991~0 := 0;~__return_1918~0 := 0; {2971#true} is VALID [2022-02-20 18:45:35,359 INFO L290 TraceCheckUtils]: 1: Hoare triple {2971#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_~main____CPAchecker_TMP_0~4#1, main_~__tmp_5~0#1, main_~assert__arg~4#1, main_~check__tmp~4#1, main_~node4____CPAchecker_TMP_0~0#1, main_~node4____CPAchecker_TMP_1~0#1, main_~node4__m4~4#1, main_~node3____CPAchecker_TMP_0~0#1, main_~node3____CPAchecker_TMP_1~0#1, main_~node3__m3~4#1, main_~node2____CPAchecker_TMP_0~0#1, main_~node2____CPAchecker_TMP_1~0#1, main_~node2__m2~4#1, main_~node1____CPAchecker_TMP_0~0#1, main_~node1____CPAchecker_TMP_1~0#1, main_~node1__m1~4#1, main_~main____CPAchecker_TMP_0~3#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~3#1, main_~node4____CPAchecker_TMP_0~1#1, main_~node4____CPAchecker_TMP_1~1#1, main_~node4__m4~3#1, main_~node3____CPAchecker_TMP_0~1#1, main_~node3____CPAchecker_TMP_1~1#1, main_~node3__m3~3#1, main_~node2____CPAchecker_TMP_0~1#1, main_~node2____CPAchecker_TMP_1~1#1, main_~node2__m2~3#1, main_~node1____CPAchecker_TMP_0~1#1, main_~node1____CPAchecker_TMP_1~1#1, main_~node1__m1~3#1, main_~main____CPAchecker_TMP_0~2#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~2#1, main_~node4____CPAchecker_TMP_0~2#1, main_~node4____CPAchecker_TMP_1~2#1, main_~node4__m4~2#1, main_~node3____CPAchecker_TMP_0~2#1, main_~node3____CPAchecker_TMP_1~2#1, main_~node3__m3~2#1, main_~node2____CPAchecker_TMP_0~2#1, main_~node2____CPAchecker_TMP_1~2#1, main_~node2__m2~2#1, main_~node1____CPAchecker_TMP_0~2#1, main_~node1____CPAchecker_TMP_1~2#1, main_~node1__m1~2#1, main_~main____CPAchecker_TMP_0~1#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~1#1, main_~node4____CPAchecker_TMP_0~3#1, main_~node4____CPAchecker_TMP_1~3#1, main_~node4__m4~1#1, main_~node3____CPAchecker_TMP_0~3#1, main_~node3____CPAchecker_TMP_1~3#1, main_~node3__m3~1#1, main_~node2____CPAchecker_TMP_0~3#1, main_~node2____CPAchecker_TMP_1~3#1, main_~node2__m2~1#1, main_~node1____CPAchecker_TMP_0~3#1, main_~node1____CPAchecker_TMP_1~3#1, main_~node1__m1~1#1, main_~main____CPAchecker_TMP_0~0#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~node4____CPAchecker_TMP_0~4#1, main_~node4____CPAchecker_TMP_1~4#1, main_~node4__m4~0#1, main_~node3____CPAchecker_TMP_0~4#1, main_~node3____CPAchecker_TMP_1~4#1, main_~node3__m3~0#1, main_~node2____CPAchecker_TMP_0~4#1, main_~node2____CPAchecker_TMP_1~4#1, main_~node2__m2~0#1, main_~node1____CPAchecker_TMP_0~4#1, main_~node1____CPAchecker_TMP_1~4#1, main_~node1__m1~0#1, main_~init__tmp~0#1, main_~main__c1~0#1, main_~main__i2~0#1;havoc main_~main__c1~0#1;havoc main_~main__i2~0#1;main_~main__c1~0#1 := 0;assume -128 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 127;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -128 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 127;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -128 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 127;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -128 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 127;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -128 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 127;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -128 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 127;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -128 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 127;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;assume -128 <= main_#t~nondet15#1 && main_#t~nondet15#1 <= 127;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;assume -128 <= main_#t~nondet16#1 && main_#t~nondet16#1 <= 127;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume -128 <= main_#t~nondet17#1 && main_#t~nondet17#1 <= 127;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;assume -128 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 127;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;assume -128 <= main_#t~nondet21#1 && main_#t~nondet21#1 <= 127;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;assume -128 <= main_#t~nondet22#1 && main_#t~nondet22#1 <= 127;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_~init__tmp~0#1; {2971#true} is VALID [2022-02-20 18:45:35,360 INFO L290 TraceCheckUtils]: 2: Hoare triple {2971#true} assume 0 == ~r1~0; {2971#true} is VALID [2022-02-20 18:45:35,360 INFO L290 TraceCheckUtils]: 3: Hoare triple {2971#true} assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; {2971#true} is VALID [2022-02-20 18:45:35,360 INFO L290 TraceCheckUtils]: 4: Hoare triple {2971#true} assume ~id1~0 >= 0; {2971#true} is VALID [2022-02-20 18:45:35,361 INFO L290 TraceCheckUtils]: 5: Hoare triple {2971#true} assume 0 == ~st1~0; {2971#true} is VALID [2022-02-20 18:45:35,361 INFO L290 TraceCheckUtils]: 6: Hoare triple {2971#true} assume ~send1~0 == ~id1~0; {2971#true} is VALID [2022-02-20 18:45:35,362 INFO L290 TraceCheckUtils]: 7: Hoare triple {2971#true} assume 0 == ~mode1~0 % 256; {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} is VALID [2022-02-20 18:45:35,363 INFO L290 TraceCheckUtils]: 8: Hoare triple {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} assume ~id2~0 >= 0; {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} is VALID [2022-02-20 18:45:35,364 INFO L290 TraceCheckUtils]: 9: Hoare triple {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} assume 0 == ~st2~0; {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} is VALID [2022-02-20 18:45:35,364 INFO L290 TraceCheckUtils]: 10: Hoare triple {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} assume ~send2~0 == ~id2~0; {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} is VALID [2022-02-20 18:45:35,365 INFO L290 TraceCheckUtils]: 11: Hoare triple {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} assume 0 == ~mode2~0 % 256; {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} is VALID [2022-02-20 18:45:35,365 INFO L290 TraceCheckUtils]: 12: Hoare triple {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} assume ~id3~0 >= 0; {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} is VALID [2022-02-20 18:45:35,366 INFO L290 TraceCheckUtils]: 13: Hoare triple {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} assume 0 == ~st3~0; {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} is VALID [2022-02-20 18:45:35,366 INFO L290 TraceCheckUtils]: 14: Hoare triple {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} assume ~send3~0 == ~id3~0; {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} is VALID [2022-02-20 18:45:35,367 INFO L290 TraceCheckUtils]: 15: Hoare triple {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} assume 0 == ~mode3~0 % 256; {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} is VALID [2022-02-20 18:45:35,367 INFO L290 TraceCheckUtils]: 16: Hoare triple {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} assume ~id4~0 >= 0; {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} is VALID [2022-02-20 18:45:35,368 INFO L290 TraceCheckUtils]: 17: Hoare triple {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} assume 0 == ~st4~0; {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} is VALID [2022-02-20 18:45:35,368 INFO L290 TraceCheckUtils]: 18: Hoare triple {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} assume ~send4~0 == ~id4~0; {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} is VALID [2022-02-20 18:45:35,369 INFO L290 TraceCheckUtils]: 19: Hoare triple {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} assume 0 == ~mode4~0 % 256; {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} is VALID [2022-02-20 18:45:35,369 INFO L290 TraceCheckUtils]: 20: Hoare triple {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} assume ~id1~0 != ~id2~0; {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} is VALID [2022-02-20 18:45:35,370 INFO L290 TraceCheckUtils]: 21: Hoare triple {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} assume ~id1~0 != ~id3~0; {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} is VALID [2022-02-20 18:45:35,370 INFO L290 TraceCheckUtils]: 22: Hoare triple {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} assume ~id1~0 != ~id4~0; {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} is VALID [2022-02-20 18:45:35,371 INFO L290 TraceCheckUtils]: 23: Hoare triple {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} assume ~id2~0 != ~id3~0; {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} is VALID [2022-02-20 18:45:35,371 INFO L290 TraceCheckUtils]: 24: Hoare triple {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} assume ~id2~0 != ~id4~0; {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} is VALID [2022-02-20 18:45:35,372 INFO L290 TraceCheckUtils]: 25: Hoare triple {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} assume ~id3~0 != ~id4~0;main_~init__tmp~0#1 := 1; {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} is VALID [2022-02-20 18:45:35,372 INFO L290 TraceCheckUtils]: 26: Hoare triple {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} ~__return_1566~0 := main_~init__tmp~0#1;main_~main__i2~0#1 := ~__return_1566~0; {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} is VALID [2022-02-20 18:45:35,373 INFO L290 TraceCheckUtils]: 27: Hoare triple {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} assume 0 != main_~main__i2~0#1;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~main__i2~0#1 := 0; {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} is VALID [2022-02-20 18:45:35,373 INFO L290 TraceCheckUtils]: 28: Hoare triple {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~0#1;main_~node1__m1~0#1 := ~nomsg~0; {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} is VALID [2022-02-20 18:45:35,374 INFO L290 TraceCheckUtils]: 29: Hoare triple {2973#(= (+ (* (- 256) (div ~mode1~0 256)) ~mode1~0) 0)} assume !(0 == ~mode1~0 % 256);~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);main_~node1__m1~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,374 INFO L290 TraceCheckUtils]: 30: Hoare triple {2972#false} assume !(main_~node1__m1~0#1 != ~nomsg~0); {2972#false} is VALID [2022-02-20 18:45:35,375 INFO L290 TraceCheckUtils]: 31: Hoare triple {2972#false} ~mode1~0 := 0; {2972#false} is VALID [2022-02-20 18:45:35,375 INFO L290 TraceCheckUtils]: 32: Hoare triple {2972#false} havoc main_~node2__m2~0#1;main_~node2__m2~0#1 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,375 INFO L290 TraceCheckUtils]: 33: Hoare triple {2972#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,375 INFO L290 TraceCheckUtils]: 34: Hoare triple {2972#false} assume !(main_~node2__m2~0#1 != ~nomsg~0); {2972#false} is VALID [2022-02-20 18:45:35,376 INFO L290 TraceCheckUtils]: 35: Hoare triple {2972#false} ~mode2~0 := 0; {2972#false} is VALID [2022-02-20 18:45:35,376 INFO L290 TraceCheckUtils]: 36: Hoare triple {2972#false} havoc main_~node3__m3~0#1;main_~node3__m3~0#1 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,376 INFO L290 TraceCheckUtils]: 37: Hoare triple {2972#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,376 INFO L290 TraceCheckUtils]: 38: Hoare triple {2972#false} assume !(main_~node3__m3~0#1 != ~nomsg~0); {2972#false} is VALID [2022-02-20 18:45:35,376 INFO L290 TraceCheckUtils]: 39: Hoare triple {2972#false} ~mode3~0 := 0; {2972#false} is VALID [2022-02-20 18:45:35,377 INFO L290 TraceCheckUtils]: 40: Hoare triple {2972#false} havoc main_~node4__m4~0#1;main_~node4__m4~0#1 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,377 INFO L290 TraceCheckUtils]: 41: Hoare triple {2972#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,377 INFO L290 TraceCheckUtils]: 42: Hoare triple {2972#false} assume !(main_~node4__m4~0#1 != ~nomsg~0); {2972#false} is VALID [2022-02-20 18:45:35,377 INFO L290 TraceCheckUtils]: 43: Hoare triple {2972#false} ~mode4~0 := 0; {2972#false} is VALID [2022-02-20 18:45:35,377 INFO L290 TraceCheckUtils]: 44: Hoare triple {2972#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~0#1; {2972#false} is VALID [2022-02-20 18:45:35,378 INFO L290 TraceCheckUtils]: 45: Hoare triple {2972#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~0#1 := 0; {2972#false} is VALID [2022-02-20 18:45:35,378 INFO L290 TraceCheckUtils]: 46: Hoare triple {2972#false} ~__return_1653~0 := main_~check__tmp~0#1;main_~main__c1~0#1 := ~__return_1653~0;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; {2972#false} is VALID [2022-02-20 18:45:35,378 INFO L290 TraceCheckUtils]: 47: Hoare triple {2972#false} assume !(0 == main_~assert__arg~0#1 % 256);main_~main____CPAchecker_TMP_0~0#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1; {2972#false} is VALID [2022-02-20 18:45:35,378 INFO L290 TraceCheckUtils]: 48: Hoare triple {2972#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~1#1;main_~node1__m1~1#1 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,379 INFO L290 TraceCheckUtils]: 49: Hoare triple {2972#false} assume !(0 == ~mode1~0 % 256);~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);main_~node1__m1~1#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,379 INFO L290 TraceCheckUtils]: 50: Hoare triple {2972#false} assume !(main_~node1__m1~1#1 != ~nomsg~0); {2972#false} is VALID [2022-02-20 18:45:35,379 INFO L290 TraceCheckUtils]: 51: Hoare triple {2972#false} ~mode1~0 := 0; {2972#false} is VALID [2022-02-20 18:45:35,379 INFO L290 TraceCheckUtils]: 52: Hoare triple {2972#false} havoc main_~node2__m2~1#1;main_~node2__m2~1#1 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,379 INFO L290 TraceCheckUtils]: 53: Hoare triple {2972#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~1#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,380 INFO L290 TraceCheckUtils]: 54: Hoare triple {2972#false} assume !(main_~node2__m2~1#1 != ~nomsg~0); {2972#false} is VALID [2022-02-20 18:45:35,380 INFO L290 TraceCheckUtils]: 55: Hoare triple {2972#false} ~mode2~0 := 0; {2972#false} is VALID [2022-02-20 18:45:35,380 INFO L290 TraceCheckUtils]: 56: Hoare triple {2972#false} havoc main_~node3__m3~1#1;main_~node3__m3~1#1 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,380 INFO L290 TraceCheckUtils]: 57: Hoare triple {2972#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~1#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,381 INFO L290 TraceCheckUtils]: 58: Hoare triple {2972#false} assume !(main_~node3__m3~1#1 != ~nomsg~0); {2972#false} is VALID [2022-02-20 18:45:35,381 INFO L290 TraceCheckUtils]: 59: Hoare triple {2972#false} ~mode3~0 := 0; {2972#false} is VALID [2022-02-20 18:45:35,381 INFO L290 TraceCheckUtils]: 60: Hoare triple {2972#false} havoc main_~node4__m4~1#1;main_~node4__m4~1#1 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,381 INFO L290 TraceCheckUtils]: 61: Hoare triple {2972#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~1#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,381 INFO L290 TraceCheckUtils]: 62: Hoare triple {2972#false} assume !(main_~node4__m4~1#1 != ~nomsg~0); {2972#false} is VALID [2022-02-20 18:45:35,382 INFO L290 TraceCheckUtils]: 63: Hoare triple {2972#false} ~mode4~0 := 0; {2972#false} is VALID [2022-02-20 18:45:35,382 INFO L290 TraceCheckUtils]: 64: Hoare triple {2972#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~1#1; {2972#false} is VALID [2022-02-20 18:45:35,382 INFO L290 TraceCheckUtils]: 65: Hoare triple {2972#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~1#1 := 0; {2972#false} is VALID [2022-02-20 18:45:35,382 INFO L290 TraceCheckUtils]: 66: Hoare triple {2972#false} ~__return_1737~0 := main_~check__tmp~1#1;main_~main__c1~0#1 := ~__return_1737~0;havoc main_~__tmp_2~0#1;main_~__tmp_2~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~1#1;main_~assert__arg~1#1 := main_~__tmp_2~0#1; {2972#false} is VALID [2022-02-20 18:45:35,382 INFO L290 TraceCheckUtils]: 67: Hoare triple {2972#false} assume !(0 == main_~assert__arg~1#1 % 256);main_~main____CPAchecker_TMP_0~1#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1; {2972#false} is VALID [2022-02-20 18:45:35,383 INFO L290 TraceCheckUtils]: 68: Hoare triple {2972#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~2#1;main_~node1__m1~2#1 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,383 INFO L290 TraceCheckUtils]: 69: Hoare triple {2972#false} assume !(0 == ~mode1~0 % 256);~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);main_~node1__m1~2#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,383 INFO L290 TraceCheckUtils]: 70: Hoare triple {2972#false} assume !(main_~node1__m1~2#1 != ~nomsg~0); {2972#false} is VALID [2022-02-20 18:45:35,383 INFO L290 TraceCheckUtils]: 71: Hoare triple {2972#false} ~mode1~0 := 0; {2972#false} is VALID [2022-02-20 18:45:35,384 INFO L290 TraceCheckUtils]: 72: Hoare triple {2972#false} havoc main_~node2__m2~2#1;main_~node2__m2~2#1 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,384 INFO L290 TraceCheckUtils]: 73: Hoare triple {2972#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~2#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,384 INFO L290 TraceCheckUtils]: 74: Hoare triple {2972#false} assume !(main_~node2__m2~2#1 != ~nomsg~0); {2972#false} is VALID [2022-02-20 18:45:35,384 INFO L290 TraceCheckUtils]: 75: Hoare triple {2972#false} ~mode2~0 := 0; {2972#false} is VALID [2022-02-20 18:45:35,384 INFO L290 TraceCheckUtils]: 76: Hoare triple {2972#false} havoc main_~node3__m3~2#1;main_~node3__m3~2#1 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,385 INFO L290 TraceCheckUtils]: 77: Hoare triple {2972#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~2#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,385 INFO L290 TraceCheckUtils]: 78: Hoare triple {2972#false} assume !(main_~node3__m3~2#1 != ~nomsg~0); {2972#false} is VALID [2022-02-20 18:45:35,385 INFO L290 TraceCheckUtils]: 79: Hoare triple {2972#false} ~mode3~0 := 0; {2972#false} is VALID [2022-02-20 18:45:35,385 INFO L290 TraceCheckUtils]: 80: Hoare triple {2972#false} havoc main_~node4__m4~2#1;main_~node4__m4~2#1 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,385 INFO L290 TraceCheckUtils]: 81: Hoare triple {2972#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~2#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,386 INFO L290 TraceCheckUtils]: 82: Hoare triple {2972#false} assume !(main_~node4__m4~2#1 != ~nomsg~0); {2972#false} is VALID [2022-02-20 18:45:35,386 INFO L290 TraceCheckUtils]: 83: Hoare triple {2972#false} ~mode4~0 := 0; {2972#false} is VALID [2022-02-20 18:45:35,386 INFO L290 TraceCheckUtils]: 84: Hoare triple {2972#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~2#1; {2972#false} is VALID [2022-02-20 18:45:35,386 INFO L290 TraceCheckUtils]: 85: Hoare triple {2972#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~2#1 := 0; {2972#false} is VALID [2022-02-20 18:45:35,386 INFO L290 TraceCheckUtils]: 86: Hoare triple {2972#false} ~__return_1821~0 := main_~check__tmp~2#1;main_~main__c1~0#1 := ~__return_1821~0;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; {2972#false} is VALID [2022-02-20 18:45:35,387 INFO L290 TraceCheckUtils]: 87: Hoare triple {2972#false} assume !(0 == main_~assert__arg~2#1 % 256);main_~main____CPAchecker_TMP_0~2#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1; {2972#false} is VALID [2022-02-20 18:45:35,387 INFO L290 TraceCheckUtils]: 88: Hoare triple {2972#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~3#1;main_~node1__m1~3#1 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,387 INFO L290 TraceCheckUtils]: 89: Hoare triple {2972#false} assume !(0 == ~mode1~0 % 256);~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);main_~node1__m1~3#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,387 INFO L290 TraceCheckUtils]: 90: Hoare triple {2972#false} assume !(main_~node1__m1~3#1 != ~nomsg~0); {2972#false} is VALID [2022-02-20 18:45:35,387 INFO L290 TraceCheckUtils]: 91: Hoare triple {2972#false} ~mode1~0 := 0; {2972#false} is VALID [2022-02-20 18:45:35,388 INFO L290 TraceCheckUtils]: 92: Hoare triple {2972#false} havoc main_~node2__m2~3#1;main_~node2__m2~3#1 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,388 INFO L290 TraceCheckUtils]: 93: Hoare triple {2972#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~3#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,388 INFO L290 TraceCheckUtils]: 94: Hoare triple {2972#false} assume !(main_~node2__m2~3#1 != ~nomsg~0); {2972#false} is VALID [2022-02-20 18:45:35,388 INFO L290 TraceCheckUtils]: 95: Hoare triple {2972#false} ~mode2~0 := 0; {2972#false} is VALID [2022-02-20 18:45:35,388 INFO L290 TraceCheckUtils]: 96: Hoare triple {2972#false} havoc main_~node3__m3~3#1;main_~node3__m3~3#1 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,389 INFO L290 TraceCheckUtils]: 97: Hoare triple {2972#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~3#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,389 INFO L290 TraceCheckUtils]: 98: Hoare triple {2972#false} assume !(main_~node3__m3~3#1 != ~nomsg~0); {2972#false} is VALID [2022-02-20 18:45:35,389 INFO L290 TraceCheckUtils]: 99: Hoare triple {2972#false} ~mode3~0 := 0; {2972#false} is VALID [2022-02-20 18:45:35,389 INFO L290 TraceCheckUtils]: 100: Hoare triple {2972#false} havoc main_~node4__m4~3#1;main_~node4__m4~3#1 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,389 INFO L290 TraceCheckUtils]: 101: Hoare triple {2972#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~3#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,390 INFO L290 TraceCheckUtils]: 102: Hoare triple {2972#false} assume !(main_~node4__m4~3#1 != ~nomsg~0); {2972#false} is VALID [2022-02-20 18:45:35,390 INFO L290 TraceCheckUtils]: 103: Hoare triple {2972#false} ~mode4~0 := 0; {2972#false} is VALID [2022-02-20 18:45:35,390 INFO L290 TraceCheckUtils]: 104: Hoare triple {2972#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~3#1; {2972#false} is VALID [2022-02-20 18:45:35,390 INFO L290 TraceCheckUtils]: 105: Hoare triple {2972#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~3#1 := 0; {2972#false} is VALID [2022-02-20 18:45:35,390 INFO L290 TraceCheckUtils]: 106: Hoare triple {2972#false} ~__return_1905~0 := main_~check__tmp~3#1;main_~main__c1~0#1 := ~__return_1905~0;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; {2972#false} is VALID [2022-02-20 18:45:35,391 INFO L290 TraceCheckUtils]: 107: Hoare triple {2972#false} assume !(0 == main_~assert__arg~3#1 % 256);main_~main____CPAchecker_TMP_0~3#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1;~__tmp_1915_0~0 := main_~main____CPAchecker_TMP_0~3#1; {2972#false} is VALID [2022-02-20 18:45:35,391 INFO L290 TraceCheckUtils]: 108: Hoare triple {2972#false} main_~main____CPAchecker_TMP_0~3#1 := ~__tmp_1915_0~0; {2972#false} is VALID [2022-02-20 18:45:35,391 INFO L290 TraceCheckUtils]: 109: Hoare triple {2972#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~4#1;main_~node1__m1~4#1 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,391 INFO L290 TraceCheckUtils]: 110: Hoare triple {2972#false} assume !(0 == ~mode1~0 % 256);~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);main_~node1__m1~4#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,391 INFO L290 TraceCheckUtils]: 111: Hoare triple {2972#false} assume !(main_~node1__m1~4#1 != ~nomsg~0); {2972#false} is VALID [2022-02-20 18:45:35,392 INFO L290 TraceCheckUtils]: 112: Hoare triple {2972#false} ~mode1~0 := 0; {2972#false} is VALID [2022-02-20 18:45:35,392 INFO L290 TraceCheckUtils]: 113: Hoare triple {2972#false} havoc main_~node2__m2~4#1;main_~node2__m2~4#1 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,392 INFO L290 TraceCheckUtils]: 114: Hoare triple {2972#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~4#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,392 INFO L290 TraceCheckUtils]: 115: Hoare triple {2972#false} assume !(main_~node2__m2~4#1 != ~nomsg~0); {2972#false} is VALID [2022-02-20 18:45:35,392 INFO L290 TraceCheckUtils]: 116: Hoare triple {2972#false} ~mode2~0 := 0; {2972#false} is VALID [2022-02-20 18:45:35,392 INFO L290 TraceCheckUtils]: 117: Hoare triple {2972#false} havoc main_~node3__m3~4#1;main_~node3__m3~4#1 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,393 INFO L290 TraceCheckUtils]: 118: Hoare triple {2972#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~4#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,393 INFO L290 TraceCheckUtils]: 119: Hoare triple {2972#false} assume !(main_~node3__m3~4#1 != ~nomsg~0); {2972#false} is VALID [2022-02-20 18:45:35,393 INFO L290 TraceCheckUtils]: 120: Hoare triple {2972#false} ~mode3~0 := 0; {2972#false} is VALID [2022-02-20 18:45:35,393 INFO L290 TraceCheckUtils]: 121: Hoare triple {2972#false} havoc main_~node4__m4~4#1;main_~node4__m4~4#1 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,393 INFO L290 TraceCheckUtils]: 122: Hoare triple {2972#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~4#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {2972#false} is VALID [2022-02-20 18:45:35,394 INFO L290 TraceCheckUtils]: 123: Hoare triple {2972#false} assume !(main_~node4__m4~4#1 != ~nomsg~0); {2972#false} is VALID [2022-02-20 18:45:35,394 INFO L290 TraceCheckUtils]: 124: Hoare triple {2972#false} ~mode4~0 := 0; {2972#false} is VALID [2022-02-20 18:45:35,394 INFO L290 TraceCheckUtils]: 125: Hoare triple {2972#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~4#1; {2972#false} is VALID [2022-02-20 18:45:35,394 INFO L290 TraceCheckUtils]: 126: Hoare triple {2972#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~4#1 := 0; {2972#false} is VALID [2022-02-20 18:45:35,394 INFO L290 TraceCheckUtils]: 127: Hoare triple {2972#false} ~__return_1991~0 := main_~check__tmp~4#1;main_~main__c1~0#1 := ~__return_1991~0;havoc main_~__tmp_5~0#1;main_~__tmp_5~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~4#1;main_~assert__arg~4#1 := main_~__tmp_5~0#1; {2972#false} is VALID [2022-02-20 18:45:35,395 INFO L290 TraceCheckUtils]: 128: Hoare triple {2972#false} assume 0 == main_~assert__arg~4#1 % 256; {2972#false} is VALID [2022-02-20 18:45:35,395 INFO L290 TraceCheckUtils]: 129: Hoare triple {2972#false} assume !false; {2972#false} is VALID [2022-02-20 18:45:35,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:45:35,396 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:45:35,396 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184437222] [2022-02-20 18:45:35,396 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184437222] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:45:35,397 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:45:35,397 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:45:35,397 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529029558] [2022-02-20 18:45:35,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:45:35,398 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 130 [2022-02-20 18:45:35,399 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:45:35,399 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:35,495 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 130 edges. 130 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:45:35,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:45:35,495 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:45:35,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:45:35,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:45:35,496 INFO L87 Difference]: Start difference. First operand 421 states and 656 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:36,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:45:36,380 INFO L93 Difference]: Finished difference Result 1045 states and 1651 transitions. [2022-02-20 18:45:36,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:45:36,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 130 [2022-02-20 18:45:36,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:45:36,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:36,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1651 transitions. [2022-02-20 18:45:36,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:36,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1651 transitions. [2022-02-20 18:45:36,403 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 1651 transitions. [2022-02-20 18:45:37,519 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 1651 edges. 1651 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:45:37,546 INFO L225 Difference]: With dead ends: 1045 [2022-02-20 18:45:37,547 INFO L226 Difference]: Without dead ends: 665 [2022-02-20 18:45:37,548 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:45:37,549 INFO L933 BasicCegarLoop]: 838 mSDtfsCounter, 473 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 1362 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:45:37,550 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [473 Valid, 1362 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:45:37,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2022-02-20 18:45:37,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2022-02-20 18:45:37,575 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:45:37,576 INFO L82 GeneralOperation]: Start isEquivalent. First operand 665 states. Second operand has 663 states, 662 states have (on average 1.56797583081571) internal successors, (1038), 662 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:37,578 INFO L74 IsIncluded]: Start isIncluded. First operand 665 states. Second operand has 663 states, 662 states have (on average 1.56797583081571) internal successors, (1038), 662 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:37,579 INFO L87 Difference]: Start difference. First operand 665 states. Second operand has 663 states, 662 states have (on average 1.56797583081571) internal successors, (1038), 662 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:37,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:45:37,603 INFO L93 Difference]: Finished difference Result 665 states and 1039 transitions. [2022-02-20 18:45:37,616 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 1039 transitions. [2022-02-20 18:45:37,617 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:45:37,618 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:45:37,619 INFO L74 IsIncluded]: Start isIncluded. First operand has 663 states, 662 states have (on average 1.56797583081571) internal successors, (1038), 662 states have internal predecessors, (1038), 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 665 states. [2022-02-20 18:45:37,621 INFO L87 Difference]: Start difference. First operand has 663 states, 662 states have (on average 1.56797583081571) internal successors, (1038), 662 states have internal predecessors, (1038), 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 665 states. [2022-02-20 18:45:37,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:45:37,644 INFO L93 Difference]: Finished difference Result 665 states and 1039 transitions. [2022-02-20 18:45:37,645 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 1039 transitions. [2022-02-20 18:45:37,645 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:45:37,646 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:45:37,646 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:45:37,646 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:45:37,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 662 states have (on average 1.56797583081571) internal successors, (1038), 662 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:37,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 1038 transitions. [2022-02-20 18:45:37,676 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 1038 transitions. Word has length 130 [2022-02-20 18:45:37,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:45:37,677 INFO L470 AbstractCegarLoop]: Abstraction has 663 states and 1038 transitions. [2022-02-20 18:45:37,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:37,677 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 1038 transitions. [2022-02-20 18:45:37,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-02-20 18:45:37,679 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:45:37,679 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:45:37,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 18:45:37,680 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:45:37,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:45:37,681 INFO L85 PathProgramCache]: Analyzing trace with hash 2058824093, now seen corresponding path program 1 times [2022-02-20 18:45:37,681 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:45:37,681 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862916348] [2022-02-20 18:45:37,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:45:37,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:45:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:45:37,861 INFO L290 TraceCheckUtils]: 0: Hoare triple {6633#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(65, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~__return_1566~0 := 0;~__return_1653~0 := 0;~__return_1737~0 := 0;~__return_1821~0 := 0;~__return_1905~0 := 0;~__tmp_1915_0~0 := 0;~__return_1991~0 := 0;~__return_1918~0 := 0; {6633#true} is VALID [2022-02-20 18:45:37,862 INFO L290 TraceCheckUtils]: 1: Hoare triple {6633#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_~main____CPAchecker_TMP_0~4#1, main_~__tmp_5~0#1, main_~assert__arg~4#1, main_~check__tmp~4#1, main_~node4____CPAchecker_TMP_0~0#1, main_~node4____CPAchecker_TMP_1~0#1, main_~node4__m4~4#1, main_~node3____CPAchecker_TMP_0~0#1, main_~node3____CPAchecker_TMP_1~0#1, main_~node3__m3~4#1, main_~node2____CPAchecker_TMP_0~0#1, main_~node2____CPAchecker_TMP_1~0#1, main_~node2__m2~4#1, main_~node1____CPAchecker_TMP_0~0#1, main_~node1____CPAchecker_TMP_1~0#1, main_~node1__m1~4#1, main_~main____CPAchecker_TMP_0~3#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~3#1, main_~node4____CPAchecker_TMP_0~1#1, main_~node4____CPAchecker_TMP_1~1#1, main_~node4__m4~3#1, main_~node3____CPAchecker_TMP_0~1#1, main_~node3____CPAchecker_TMP_1~1#1, main_~node3__m3~3#1, main_~node2____CPAchecker_TMP_0~1#1, main_~node2____CPAchecker_TMP_1~1#1, main_~node2__m2~3#1, main_~node1____CPAchecker_TMP_0~1#1, main_~node1____CPAchecker_TMP_1~1#1, main_~node1__m1~3#1, main_~main____CPAchecker_TMP_0~2#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~2#1, main_~node4____CPAchecker_TMP_0~2#1, main_~node4____CPAchecker_TMP_1~2#1, main_~node4__m4~2#1, main_~node3____CPAchecker_TMP_0~2#1, main_~node3____CPAchecker_TMP_1~2#1, main_~node3__m3~2#1, main_~node2____CPAchecker_TMP_0~2#1, main_~node2____CPAchecker_TMP_1~2#1, main_~node2__m2~2#1, main_~node1____CPAchecker_TMP_0~2#1, main_~node1____CPAchecker_TMP_1~2#1, main_~node1__m1~2#1, main_~main____CPAchecker_TMP_0~1#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~1#1, main_~node4____CPAchecker_TMP_0~3#1, main_~node4____CPAchecker_TMP_1~3#1, main_~node4__m4~1#1, main_~node3____CPAchecker_TMP_0~3#1, main_~node3____CPAchecker_TMP_1~3#1, main_~node3__m3~1#1, main_~node2____CPAchecker_TMP_0~3#1, main_~node2____CPAchecker_TMP_1~3#1, main_~node2__m2~1#1, main_~node1____CPAchecker_TMP_0~3#1, main_~node1____CPAchecker_TMP_1~3#1, main_~node1__m1~1#1, main_~main____CPAchecker_TMP_0~0#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~node4____CPAchecker_TMP_0~4#1, main_~node4____CPAchecker_TMP_1~4#1, main_~node4__m4~0#1, main_~node3____CPAchecker_TMP_0~4#1, main_~node3____CPAchecker_TMP_1~4#1, main_~node3__m3~0#1, main_~node2____CPAchecker_TMP_0~4#1, main_~node2____CPAchecker_TMP_1~4#1, main_~node2__m2~0#1, main_~node1____CPAchecker_TMP_0~4#1, main_~node1____CPAchecker_TMP_1~4#1, main_~node1__m1~0#1, main_~init__tmp~0#1, main_~main__c1~0#1, main_~main__i2~0#1;havoc main_~main__c1~0#1;havoc main_~main__i2~0#1;main_~main__c1~0#1 := 0;assume -128 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 127;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -128 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 127;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -128 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 127;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -128 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 127;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -128 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 127;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -128 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 127;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -128 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 127;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;assume -128 <= main_#t~nondet15#1 && main_#t~nondet15#1 <= 127;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;assume -128 <= main_#t~nondet16#1 && main_#t~nondet16#1 <= 127;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume -128 <= main_#t~nondet17#1 && main_#t~nondet17#1 <= 127;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;assume -128 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 127;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;assume -128 <= main_#t~nondet21#1 && main_#t~nondet21#1 <= 127;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;assume -128 <= main_#t~nondet22#1 && main_#t~nondet22#1 <= 127;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_~init__tmp~0#1; {6633#true} is VALID [2022-02-20 18:45:37,862 INFO L290 TraceCheckUtils]: 2: Hoare triple {6633#true} assume 0 == ~r1~0; {6633#true} is VALID [2022-02-20 18:45:37,862 INFO L290 TraceCheckUtils]: 3: Hoare triple {6633#true} assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; {6633#true} is VALID [2022-02-20 18:45:37,863 INFO L290 TraceCheckUtils]: 4: Hoare triple {6633#true} assume ~id1~0 >= 0; {6633#true} is VALID [2022-02-20 18:45:37,864 INFO L290 TraceCheckUtils]: 5: Hoare triple {6633#true} assume 0 == ~st1~0; {6633#true} is VALID [2022-02-20 18:45:37,864 INFO L290 TraceCheckUtils]: 6: Hoare triple {6633#true} assume ~send1~0 == ~id1~0; {6633#true} is VALID [2022-02-20 18:45:37,864 INFO L290 TraceCheckUtils]: 7: Hoare triple {6633#true} assume 0 == ~mode1~0 % 256; {6633#true} is VALID [2022-02-20 18:45:37,864 INFO L290 TraceCheckUtils]: 8: Hoare triple {6633#true} assume ~id2~0 >= 0; {6633#true} is VALID [2022-02-20 18:45:37,864 INFO L290 TraceCheckUtils]: 9: Hoare triple {6633#true} assume 0 == ~st2~0; {6633#true} is VALID [2022-02-20 18:45:37,869 INFO L290 TraceCheckUtils]: 10: Hoare triple {6633#true} assume ~send2~0 == ~id2~0; {6633#true} is VALID [2022-02-20 18:45:37,870 INFO L290 TraceCheckUtils]: 11: Hoare triple {6633#true} assume 0 == ~mode2~0 % 256; {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} is VALID [2022-02-20 18:45:37,871 INFO L290 TraceCheckUtils]: 12: Hoare triple {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} assume ~id3~0 >= 0; {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} is VALID [2022-02-20 18:45:37,871 INFO L290 TraceCheckUtils]: 13: Hoare triple {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} assume 0 == ~st3~0; {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} is VALID [2022-02-20 18:45:37,872 INFO L290 TraceCheckUtils]: 14: Hoare triple {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} assume ~send3~0 == ~id3~0; {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} is VALID [2022-02-20 18:45:37,872 INFO L290 TraceCheckUtils]: 15: Hoare triple {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} assume 0 == ~mode3~0 % 256; {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} is VALID [2022-02-20 18:45:37,872 INFO L290 TraceCheckUtils]: 16: Hoare triple {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} assume ~id4~0 >= 0; {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} is VALID [2022-02-20 18:45:37,873 INFO L290 TraceCheckUtils]: 17: Hoare triple {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} assume 0 == ~st4~0; {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} is VALID [2022-02-20 18:45:37,873 INFO L290 TraceCheckUtils]: 18: Hoare triple {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} assume ~send4~0 == ~id4~0; {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} is VALID [2022-02-20 18:45:37,874 INFO L290 TraceCheckUtils]: 19: Hoare triple {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} assume 0 == ~mode4~0 % 256; {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} is VALID [2022-02-20 18:45:37,874 INFO L290 TraceCheckUtils]: 20: Hoare triple {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} assume ~id1~0 != ~id2~0; {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} is VALID [2022-02-20 18:45:37,875 INFO L290 TraceCheckUtils]: 21: Hoare triple {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} assume ~id1~0 != ~id3~0; {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} is VALID [2022-02-20 18:45:37,875 INFO L290 TraceCheckUtils]: 22: Hoare triple {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} assume ~id1~0 != ~id4~0; {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} is VALID [2022-02-20 18:45:37,876 INFO L290 TraceCheckUtils]: 23: Hoare triple {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} assume ~id2~0 != ~id3~0; {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} is VALID [2022-02-20 18:45:37,876 INFO L290 TraceCheckUtils]: 24: Hoare triple {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} assume ~id2~0 != ~id4~0; {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} is VALID [2022-02-20 18:45:37,877 INFO L290 TraceCheckUtils]: 25: Hoare triple {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} assume ~id3~0 != ~id4~0;main_~init__tmp~0#1 := 1; {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} is VALID [2022-02-20 18:45:37,877 INFO L290 TraceCheckUtils]: 26: Hoare triple {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} ~__return_1566~0 := main_~init__tmp~0#1;main_~main__i2~0#1 := ~__return_1566~0; {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} is VALID [2022-02-20 18:45:37,878 INFO L290 TraceCheckUtils]: 27: Hoare triple {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} assume 0 != main_~main__i2~0#1;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~main__i2~0#1 := 0; {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} is VALID [2022-02-20 18:45:37,880 INFO L290 TraceCheckUtils]: 28: Hoare triple {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~0#1;main_~node1__m1~0#1 := ~nomsg~0; {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} is VALID [2022-02-20 18:45:37,880 INFO L290 TraceCheckUtils]: 29: Hoare triple {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} assume !!(0 == ~mode1~0 % 256); {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} is VALID [2022-02-20 18:45:37,881 INFO L290 TraceCheckUtils]: 30: Hoare triple {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} assume !!(0 == ~alive1~0 % 256); {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} is VALID [2022-02-20 18:45:37,881 INFO L290 TraceCheckUtils]: 31: Hoare triple {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} assume !(~send1~0 != ~id1~0); {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} is VALID [2022-02-20 18:45:37,882 INFO L290 TraceCheckUtils]: 32: Hoare triple {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} ~mode1~0 := 1; {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} is VALID [2022-02-20 18:45:37,882 INFO L290 TraceCheckUtils]: 33: Hoare triple {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} havoc main_~node2__m2~0#1;main_~node2__m2~0#1 := ~nomsg~0; {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} is VALID [2022-02-20 18:45:37,883 INFO L290 TraceCheckUtils]: 34: Hoare triple {6635#(= (+ (* (- 256) (div ~mode2~0 256)) ~mode2~0) 0)} assume !(0 == ~mode2~0 % 256);main_~node2__m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,883 INFO L290 TraceCheckUtils]: 35: Hoare triple {6634#false} assume !(main_~node2__m2~0#1 != ~nomsg~0); {6634#false} is VALID [2022-02-20 18:45:37,883 INFO L290 TraceCheckUtils]: 36: Hoare triple {6634#false} ~mode2~0 := 0; {6634#false} is VALID [2022-02-20 18:45:37,883 INFO L290 TraceCheckUtils]: 37: Hoare triple {6634#false} havoc main_~node3__m3~0#1;main_~node3__m3~0#1 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,883 INFO L290 TraceCheckUtils]: 38: Hoare triple {6634#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,884 INFO L290 TraceCheckUtils]: 39: Hoare triple {6634#false} assume !(main_~node3__m3~0#1 != ~nomsg~0); {6634#false} is VALID [2022-02-20 18:45:37,884 INFO L290 TraceCheckUtils]: 40: Hoare triple {6634#false} ~mode3~0 := 0; {6634#false} is VALID [2022-02-20 18:45:37,884 INFO L290 TraceCheckUtils]: 41: Hoare triple {6634#false} havoc main_~node4__m4~0#1;main_~node4__m4~0#1 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,884 INFO L290 TraceCheckUtils]: 42: Hoare triple {6634#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,885 INFO L290 TraceCheckUtils]: 43: Hoare triple {6634#false} assume !(main_~node4__m4~0#1 != ~nomsg~0); {6634#false} is VALID [2022-02-20 18:45:37,885 INFO L290 TraceCheckUtils]: 44: Hoare triple {6634#false} ~mode4~0 := 0; {6634#false} is VALID [2022-02-20 18:45:37,885 INFO L290 TraceCheckUtils]: 45: Hoare triple {6634#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~0#1; {6634#false} is VALID [2022-02-20 18:45:37,886 INFO L290 TraceCheckUtils]: 46: Hoare triple {6634#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~0#1 := 0; {6634#false} is VALID [2022-02-20 18:45:37,886 INFO L290 TraceCheckUtils]: 47: Hoare triple {6634#false} ~__return_1653~0 := main_~check__tmp~0#1;main_~main__c1~0#1 := ~__return_1653~0;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; {6634#false} is VALID [2022-02-20 18:45:37,886 INFO L290 TraceCheckUtils]: 48: Hoare triple {6634#false} assume !(0 == main_~assert__arg~0#1 % 256);main_~main____CPAchecker_TMP_0~0#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1; {6634#false} is VALID [2022-02-20 18:45:37,886 INFO L290 TraceCheckUtils]: 49: Hoare triple {6634#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~1#1;main_~node1__m1~1#1 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,886 INFO L290 TraceCheckUtils]: 50: Hoare triple {6634#false} assume !(0 == ~mode1~0 % 256);~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);main_~node1__m1~1#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,887 INFO L290 TraceCheckUtils]: 51: Hoare triple {6634#false} assume !(main_~node1__m1~1#1 != ~nomsg~0); {6634#false} is VALID [2022-02-20 18:45:37,887 INFO L290 TraceCheckUtils]: 52: Hoare triple {6634#false} ~mode1~0 := 0; {6634#false} is VALID [2022-02-20 18:45:37,887 INFO L290 TraceCheckUtils]: 53: Hoare triple {6634#false} havoc main_~node2__m2~1#1;main_~node2__m2~1#1 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,887 INFO L290 TraceCheckUtils]: 54: Hoare triple {6634#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~1#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,887 INFO L290 TraceCheckUtils]: 55: Hoare triple {6634#false} assume !(main_~node2__m2~1#1 != ~nomsg~0); {6634#false} is VALID [2022-02-20 18:45:37,887 INFO L290 TraceCheckUtils]: 56: Hoare triple {6634#false} ~mode2~0 := 0; {6634#false} is VALID [2022-02-20 18:45:37,888 INFO L290 TraceCheckUtils]: 57: Hoare triple {6634#false} havoc main_~node3__m3~1#1;main_~node3__m3~1#1 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,888 INFO L290 TraceCheckUtils]: 58: Hoare triple {6634#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~1#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,888 INFO L290 TraceCheckUtils]: 59: Hoare triple {6634#false} assume !(main_~node3__m3~1#1 != ~nomsg~0); {6634#false} is VALID [2022-02-20 18:45:37,888 INFO L290 TraceCheckUtils]: 60: Hoare triple {6634#false} ~mode3~0 := 0; {6634#false} is VALID [2022-02-20 18:45:37,888 INFO L290 TraceCheckUtils]: 61: Hoare triple {6634#false} havoc main_~node4__m4~1#1;main_~node4__m4~1#1 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,888 INFO L290 TraceCheckUtils]: 62: Hoare triple {6634#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~1#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,889 INFO L290 TraceCheckUtils]: 63: Hoare triple {6634#false} assume !(main_~node4__m4~1#1 != ~nomsg~0); {6634#false} is VALID [2022-02-20 18:45:37,889 INFO L290 TraceCheckUtils]: 64: Hoare triple {6634#false} ~mode4~0 := 0; {6634#false} is VALID [2022-02-20 18:45:37,889 INFO L290 TraceCheckUtils]: 65: Hoare triple {6634#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~1#1; {6634#false} is VALID [2022-02-20 18:45:37,889 INFO L290 TraceCheckUtils]: 66: Hoare triple {6634#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~1#1 := 0; {6634#false} is VALID [2022-02-20 18:45:37,889 INFO L290 TraceCheckUtils]: 67: Hoare triple {6634#false} ~__return_1737~0 := main_~check__tmp~1#1;main_~main__c1~0#1 := ~__return_1737~0;havoc main_~__tmp_2~0#1;main_~__tmp_2~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~1#1;main_~assert__arg~1#1 := main_~__tmp_2~0#1; {6634#false} is VALID [2022-02-20 18:45:37,890 INFO L290 TraceCheckUtils]: 68: Hoare triple {6634#false} assume !(0 == main_~assert__arg~1#1 % 256);main_~main____CPAchecker_TMP_0~1#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1; {6634#false} is VALID [2022-02-20 18:45:37,895 INFO L290 TraceCheckUtils]: 69: Hoare triple {6634#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~2#1;main_~node1__m1~2#1 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,895 INFO L290 TraceCheckUtils]: 70: Hoare triple {6634#false} assume !!(0 == ~mode1~0 % 256); {6634#false} is VALID [2022-02-20 18:45:37,895 INFO L290 TraceCheckUtils]: 71: Hoare triple {6634#false} assume !!(0 == ~alive1~0 % 256); {6634#false} is VALID [2022-02-20 18:45:37,896 INFO L290 TraceCheckUtils]: 72: Hoare triple {6634#false} assume !(~send1~0 != ~id1~0); {6634#false} is VALID [2022-02-20 18:45:37,896 INFO L290 TraceCheckUtils]: 73: Hoare triple {6634#false} ~mode1~0 := 1; {6634#false} is VALID [2022-02-20 18:45:37,896 INFO L290 TraceCheckUtils]: 74: Hoare triple {6634#false} havoc main_~node2__m2~2#1;main_~node2__m2~2#1 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,896 INFO L290 TraceCheckUtils]: 75: Hoare triple {6634#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~2#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,896 INFO L290 TraceCheckUtils]: 76: Hoare triple {6634#false} assume !(main_~node2__m2~2#1 != ~nomsg~0); {6634#false} is VALID [2022-02-20 18:45:37,896 INFO L290 TraceCheckUtils]: 77: Hoare triple {6634#false} ~mode2~0 := 0; {6634#false} is VALID [2022-02-20 18:45:37,897 INFO L290 TraceCheckUtils]: 78: Hoare triple {6634#false} havoc main_~node3__m3~2#1;main_~node3__m3~2#1 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,897 INFO L290 TraceCheckUtils]: 79: Hoare triple {6634#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~2#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,897 INFO L290 TraceCheckUtils]: 80: Hoare triple {6634#false} assume !(main_~node3__m3~2#1 != ~nomsg~0); {6634#false} is VALID [2022-02-20 18:45:37,897 INFO L290 TraceCheckUtils]: 81: Hoare triple {6634#false} ~mode3~0 := 0; {6634#false} is VALID [2022-02-20 18:45:37,897 INFO L290 TraceCheckUtils]: 82: Hoare triple {6634#false} havoc main_~node4__m4~2#1;main_~node4__m4~2#1 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,897 INFO L290 TraceCheckUtils]: 83: Hoare triple {6634#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~2#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,898 INFO L290 TraceCheckUtils]: 84: Hoare triple {6634#false} assume !(main_~node4__m4~2#1 != ~nomsg~0); {6634#false} is VALID [2022-02-20 18:45:37,898 INFO L290 TraceCheckUtils]: 85: Hoare triple {6634#false} ~mode4~0 := 0; {6634#false} is VALID [2022-02-20 18:45:37,898 INFO L290 TraceCheckUtils]: 86: Hoare triple {6634#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~2#1; {6634#false} is VALID [2022-02-20 18:45:37,898 INFO L290 TraceCheckUtils]: 87: Hoare triple {6634#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~2#1 := 0; {6634#false} is VALID [2022-02-20 18:45:37,898 INFO L290 TraceCheckUtils]: 88: Hoare triple {6634#false} ~__return_1821~0 := main_~check__tmp~2#1;main_~main__c1~0#1 := ~__return_1821~0;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; {6634#false} is VALID [2022-02-20 18:45:37,899 INFO L290 TraceCheckUtils]: 89: Hoare triple {6634#false} assume !(0 == main_~assert__arg~2#1 % 256);main_~main____CPAchecker_TMP_0~2#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1; {6634#false} is VALID [2022-02-20 18:45:37,899 INFO L290 TraceCheckUtils]: 90: Hoare triple {6634#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~3#1;main_~node1__m1~3#1 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,899 INFO L290 TraceCheckUtils]: 91: Hoare triple {6634#false} assume !(0 == ~mode1~0 % 256);~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);main_~node1__m1~3#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,901 INFO L290 TraceCheckUtils]: 92: Hoare triple {6634#false} assume !(main_~node1__m1~3#1 != ~nomsg~0); {6634#false} is VALID [2022-02-20 18:45:37,901 INFO L290 TraceCheckUtils]: 93: Hoare triple {6634#false} ~mode1~0 := 0; {6634#false} is VALID [2022-02-20 18:45:37,901 INFO L290 TraceCheckUtils]: 94: Hoare triple {6634#false} havoc main_~node2__m2~3#1;main_~node2__m2~3#1 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,901 INFO L290 TraceCheckUtils]: 95: Hoare triple {6634#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~3#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,902 INFO L290 TraceCheckUtils]: 96: Hoare triple {6634#false} assume !(main_~node2__m2~3#1 != ~nomsg~0); {6634#false} is VALID [2022-02-20 18:45:37,902 INFO L290 TraceCheckUtils]: 97: Hoare triple {6634#false} ~mode2~0 := 0; {6634#false} is VALID [2022-02-20 18:45:37,902 INFO L290 TraceCheckUtils]: 98: Hoare triple {6634#false} havoc main_~node3__m3~3#1;main_~node3__m3~3#1 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,902 INFO L290 TraceCheckUtils]: 99: Hoare triple {6634#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~3#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,902 INFO L290 TraceCheckUtils]: 100: Hoare triple {6634#false} assume !(main_~node3__m3~3#1 != ~nomsg~0); {6634#false} is VALID [2022-02-20 18:45:37,902 INFO L290 TraceCheckUtils]: 101: Hoare triple {6634#false} ~mode3~0 := 0; {6634#false} is VALID [2022-02-20 18:45:37,903 INFO L290 TraceCheckUtils]: 102: Hoare triple {6634#false} havoc main_~node4__m4~3#1;main_~node4__m4~3#1 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,903 INFO L290 TraceCheckUtils]: 103: Hoare triple {6634#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~3#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,903 INFO L290 TraceCheckUtils]: 104: Hoare triple {6634#false} assume !(main_~node4__m4~3#1 != ~nomsg~0); {6634#false} is VALID [2022-02-20 18:45:37,903 INFO L290 TraceCheckUtils]: 105: Hoare triple {6634#false} ~mode4~0 := 0; {6634#false} is VALID [2022-02-20 18:45:37,903 INFO L290 TraceCheckUtils]: 106: Hoare triple {6634#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~3#1; {6634#false} is VALID [2022-02-20 18:45:37,903 INFO L290 TraceCheckUtils]: 107: Hoare triple {6634#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~3#1 := 0; {6634#false} is VALID [2022-02-20 18:45:37,904 INFO L290 TraceCheckUtils]: 108: Hoare triple {6634#false} ~__return_1905~0 := main_~check__tmp~3#1;main_~main__c1~0#1 := ~__return_1905~0;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; {6634#false} is VALID [2022-02-20 18:45:37,904 INFO L290 TraceCheckUtils]: 109: Hoare triple {6634#false} assume !(0 == main_~assert__arg~3#1 % 256);main_~main____CPAchecker_TMP_0~3#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1;~__tmp_1915_0~0 := main_~main____CPAchecker_TMP_0~3#1; {6634#false} is VALID [2022-02-20 18:45:37,904 INFO L290 TraceCheckUtils]: 110: Hoare triple {6634#false} main_~main____CPAchecker_TMP_0~3#1 := ~__tmp_1915_0~0; {6634#false} is VALID [2022-02-20 18:45:37,909 INFO L290 TraceCheckUtils]: 111: Hoare triple {6634#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~4#1;main_~node1__m1~4#1 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,909 INFO L290 TraceCheckUtils]: 112: Hoare triple {6634#false} assume !!(0 == ~mode1~0 % 256); {6634#false} is VALID [2022-02-20 18:45:37,909 INFO L290 TraceCheckUtils]: 113: Hoare triple {6634#false} assume !!(0 == ~alive1~0 % 256); {6634#false} is VALID [2022-02-20 18:45:37,910 INFO L290 TraceCheckUtils]: 114: Hoare triple {6634#false} assume !(~send1~0 != ~id1~0); {6634#false} is VALID [2022-02-20 18:45:37,910 INFO L290 TraceCheckUtils]: 115: Hoare triple {6634#false} ~mode1~0 := 1; {6634#false} is VALID [2022-02-20 18:45:37,910 INFO L290 TraceCheckUtils]: 116: Hoare triple {6634#false} havoc main_~node2__m2~4#1;main_~node2__m2~4#1 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,910 INFO L290 TraceCheckUtils]: 117: Hoare triple {6634#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~4#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,910 INFO L290 TraceCheckUtils]: 118: Hoare triple {6634#false} assume !(main_~node2__m2~4#1 != ~nomsg~0); {6634#false} is VALID [2022-02-20 18:45:37,910 INFO L290 TraceCheckUtils]: 119: Hoare triple {6634#false} ~mode2~0 := 0; {6634#false} is VALID [2022-02-20 18:45:37,911 INFO L290 TraceCheckUtils]: 120: Hoare triple {6634#false} havoc main_~node3__m3~4#1;main_~node3__m3~4#1 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,911 INFO L290 TraceCheckUtils]: 121: Hoare triple {6634#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~4#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,911 INFO L290 TraceCheckUtils]: 122: Hoare triple {6634#false} assume !(main_~node3__m3~4#1 != ~nomsg~0); {6634#false} is VALID [2022-02-20 18:45:37,911 INFO L290 TraceCheckUtils]: 123: Hoare triple {6634#false} ~mode3~0 := 0; {6634#false} is VALID [2022-02-20 18:45:37,911 INFO L290 TraceCheckUtils]: 124: Hoare triple {6634#false} havoc main_~node4__m4~4#1;main_~node4__m4~4#1 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,911 INFO L290 TraceCheckUtils]: 125: Hoare triple {6634#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~4#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {6634#false} is VALID [2022-02-20 18:45:37,912 INFO L290 TraceCheckUtils]: 126: Hoare triple {6634#false} assume !(main_~node4__m4~4#1 != ~nomsg~0); {6634#false} is VALID [2022-02-20 18:45:37,912 INFO L290 TraceCheckUtils]: 127: Hoare triple {6634#false} ~mode4~0 := 0; {6634#false} is VALID [2022-02-20 18:45:37,912 INFO L290 TraceCheckUtils]: 128: Hoare triple {6634#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~4#1; {6634#false} is VALID [2022-02-20 18:45:37,912 INFO L290 TraceCheckUtils]: 129: Hoare triple {6634#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~4#1 := 0; {6634#false} is VALID [2022-02-20 18:45:37,912 INFO L290 TraceCheckUtils]: 130: Hoare triple {6634#false} ~__return_1991~0 := main_~check__tmp~4#1;main_~main__c1~0#1 := ~__return_1991~0;havoc main_~__tmp_5~0#1;main_~__tmp_5~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~4#1;main_~assert__arg~4#1 := main_~__tmp_5~0#1; {6634#false} is VALID [2022-02-20 18:45:37,912 INFO L290 TraceCheckUtils]: 131: Hoare triple {6634#false} assume 0 == main_~assert__arg~4#1 % 256; {6634#false} is VALID [2022-02-20 18:45:37,913 INFO L290 TraceCheckUtils]: 132: Hoare triple {6634#false} assume !false; {6634#false} is VALID [2022-02-20 18:45:37,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:45:37,914 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:45:37,914 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862916348] [2022-02-20 18:45:37,915 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862916348] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:45:37,915 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:45:37,915 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:45:37,916 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108314299] [2022-02-20 18:45:37,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:45:37,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 133 [2022-02-20 18:45:37,917 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:45:37,918 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:37,995 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 133 edges. 133 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:45:37,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:45:37,995 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:45:37,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:45:37,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:45:37,996 INFO L87 Difference]: Start difference. First operand 663 states and 1038 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:38,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:45:38,909 INFO L93 Difference]: Finished difference Result 1679 states and 2652 transitions. [2022-02-20 18:45:38,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:45:38,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 133 [2022-02-20 18:45:38,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:45:38,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:38,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1583 transitions. [2022-02-20 18:45:38,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:38,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1583 transitions. [2022-02-20 18:45:38,926 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 1583 transitions. [2022-02-20 18:45:39,896 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 1583 edges. 1583 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:45:39,964 INFO L225 Difference]: With dead ends: 1679 [2022-02-20 18:45:39,965 INFO L226 Difference]: Without dead ends: 1070 [2022-02-20 18:45:39,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:45:39,967 INFO L933 BasicCegarLoop]: 632 mSDtfsCounter, 459 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 1131 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:45:39,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [459 Valid, 1131 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:45:39,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2022-02-20 18:45:40,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 1068. [2022-02-20 18:45:40,011 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:45:40,013 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1070 states. Second operand has 1068 states, 1067 states have (on average 1.5679475164011247) internal successors, (1673), 1067 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:40,015 INFO L74 IsIncluded]: Start isIncluded. First operand 1070 states. Second operand has 1068 states, 1067 states have (on average 1.5679475164011247) internal successors, (1673), 1067 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:40,017 INFO L87 Difference]: Start difference. First operand 1070 states. Second operand has 1068 states, 1067 states have (on average 1.5679475164011247) internal successors, (1673), 1067 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:40,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:45:40,059 INFO L93 Difference]: Finished difference Result 1070 states and 1674 transitions. [2022-02-20 18:45:40,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1674 transitions. [2022-02-20 18:45:40,060 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:45:40,060 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:45:40,063 INFO L74 IsIncluded]: Start isIncluded. First operand has 1068 states, 1067 states have (on average 1.5679475164011247) internal successors, (1673), 1067 states have internal predecessors, (1673), 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 1070 states. [2022-02-20 18:45:40,065 INFO L87 Difference]: Start difference. First operand has 1068 states, 1067 states have (on average 1.5679475164011247) internal successors, (1673), 1067 states have internal predecessors, (1673), 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 1070 states. [2022-02-20 18:45:40,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:45:40,120 INFO L93 Difference]: Finished difference Result 1070 states and 1674 transitions. [2022-02-20 18:45:40,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1674 transitions. [2022-02-20 18:45:40,122 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:45:40,122 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:45:40,122 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:45:40,123 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:45:40,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1068 states, 1067 states have (on average 1.5679475164011247) internal successors, (1673), 1067 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:40,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1673 transitions. [2022-02-20 18:45:40,197 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1673 transitions. Word has length 133 [2022-02-20 18:45:40,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:45:40,197 INFO L470 AbstractCegarLoop]: Abstraction has 1068 states and 1673 transitions. [2022-02-20 18:45:40,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:40,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1673 transitions. [2022-02-20 18:45:40,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-02-20 18:45:40,200 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:45:40,201 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:45:40,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 18:45:40,201 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:45:40,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:45:40,202 INFO L85 PathProgramCache]: Analyzing trace with hash -2046394113, now seen corresponding path program 1 times [2022-02-20 18:45:40,202 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:45:40,202 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762670353] [2022-02-20 18:45:40,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:45:40,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:45:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:45:40,328 INFO L290 TraceCheckUtils]: 0: Hoare triple {12536#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(65, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~__return_1566~0 := 0;~__return_1653~0 := 0;~__return_1737~0 := 0;~__return_1821~0 := 0;~__return_1905~0 := 0;~__tmp_1915_0~0 := 0;~__return_1991~0 := 0;~__return_1918~0 := 0; {12536#true} is VALID [2022-02-20 18:45:40,328 INFO L290 TraceCheckUtils]: 1: Hoare triple {12536#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_~main____CPAchecker_TMP_0~4#1, main_~__tmp_5~0#1, main_~assert__arg~4#1, main_~check__tmp~4#1, main_~node4____CPAchecker_TMP_0~0#1, main_~node4____CPAchecker_TMP_1~0#1, main_~node4__m4~4#1, main_~node3____CPAchecker_TMP_0~0#1, main_~node3____CPAchecker_TMP_1~0#1, main_~node3__m3~4#1, main_~node2____CPAchecker_TMP_0~0#1, main_~node2____CPAchecker_TMP_1~0#1, main_~node2__m2~4#1, main_~node1____CPAchecker_TMP_0~0#1, main_~node1____CPAchecker_TMP_1~0#1, main_~node1__m1~4#1, main_~main____CPAchecker_TMP_0~3#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~3#1, main_~node4____CPAchecker_TMP_0~1#1, main_~node4____CPAchecker_TMP_1~1#1, main_~node4__m4~3#1, main_~node3____CPAchecker_TMP_0~1#1, main_~node3____CPAchecker_TMP_1~1#1, main_~node3__m3~3#1, main_~node2____CPAchecker_TMP_0~1#1, main_~node2____CPAchecker_TMP_1~1#1, main_~node2__m2~3#1, main_~node1____CPAchecker_TMP_0~1#1, main_~node1____CPAchecker_TMP_1~1#1, main_~node1__m1~3#1, main_~main____CPAchecker_TMP_0~2#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~2#1, main_~node4____CPAchecker_TMP_0~2#1, main_~node4____CPAchecker_TMP_1~2#1, main_~node4__m4~2#1, main_~node3____CPAchecker_TMP_0~2#1, main_~node3____CPAchecker_TMP_1~2#1, main_~node3__m3~2#1, main_~node2____CPAchecker_TMP_0~2#1, main_~node2____CPAchecker_TMP_1~2#1, main_~node2__m2~2#1, main_~node1____CPAchecker_TMP_0~2#1, main_~node1____CPAchecker_TMP_1~2#1, main_~node1__m1~2#1, main_~main____CPAchecker_TMP_0~1#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~1#1, main_~node4____CPAchecker_TMP_0~3#1, main_~node4____CPAchecker_TMP_1~3#1, main_~node4__m4~1#1, main_~node3____CPAchecker_TMP_0~3#1, main_~node3____CPAchecker_TMP_1~3#1, main_~node3__m3~1#1, main_~node2____CPAchecker_TMP_0~3#1, main_~node2____CPAchecker_TMP_1~3#1, main_~node2__m2~1#1, main_~node1____CPAchecker_TMP_0~3#1, main_~node1____CPAchecker_TMP_1~3#1, main_~node1__m1~1#1, main_~main____CPAchecker_TMP_0~0#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~node4____CPAchecker_TMP_0~4#1, main_~node4____CPAchecker_TMP_1~4#1, main_~node4__m4~0#1, main_~node3____CPAchecker_TMP_0~4#1, main_~node3____CPAchecker_TMP_1~4#1, main_~node3__m3~0#1, main_~node2____CPAchecker_TMP_0~4#1, main_~node2____CPAchecker_TMP_1~4#1, main_~node2__m2~0#1, main_~node1____CPAchecker_TMP_0~4#1, main_~node1____CPAchecker_TMP_1~4#1, main_~node1__m1~0#1, main_~init__tmp~0#1, main_~main__c1~0#1, main_~main__i2~0#1;havoc main_~main__c1~0#1;havoc main_~main__i2~0#1;main_~main__c1~0#1 := 0;assume -128 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 127;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -128 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 127;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -128 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 127;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -128 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 127;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -128 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 127;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -128 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 127;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -128 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 127;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;assume -128 <= main_#t~nondet15#1 && main_#t~nondet15#1 <= 127;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;assume -128 <= main_#t~nondet16#1 && main_#t~nondet16#1 <= 127;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume -128 <= main_#t~nondet17#1 && main_#t~nondet17#1 <= 127;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;assume -128 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 127;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;assume -128 <= main_#t~nondet21#1 && main_#t~nondet21#1 <= 127;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;assume -128 <= main_#t~nondet22#1 && main_#t~nondet22#1 <= 127;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_~init__tmp~0#1; {12536#true} is VALID [2022-02-20 18:45:40,329 INFO L290 TraceCheckUtils]: 2: Hoare triple {12536#true} assume 0 == ~r1~0; {12536#true} is VALID [2022-02-20 18:45:40,330 INFO L290 TraceCheckUtils]: 3: Hoare triple {12536#true} assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; {12536#true} is VALID [2022-02-20 18:45:40,333 INFO L290 TraceCheckUtils]: 4: Hoare triple {12536#true} assume ~id1~0 >= 0; {12536#true} is VALID [2022-02-20 18:45:40,333 INFO L290 TraceCheckUtils]: 5: Hoare triple {12536#true} assume 0 == ~st1~0; {12536#true} is VALID [2022-02-20 18:45:40,333 INFO L290 TraceCheckUtils]: 6: Hoare triple {12536#true} assume ~send1~0 == ~id1~0; {12536#true} is VALID [2022-02-20 18:45:40,333 INFO L290 TraceCheckUtils]: 7: Hoare triple {12536#true} assume 0 == ~mode1~0 % 256; {12536#true} is VALID [2022-02-20 18:45:40,334 INFO L290 TraceCheckUtils]: 8: Hoare triple {12536#true} assume ~id2~0 >= 0; {12536#true} is VALID [2022-02-20 18:45:40,334 INFO L290 TraceCheckUtils]: 9: Hoare triple {12536#true} assume 0 == ~st2~0; {12536#true} is VALID [2022-02-20 18:45:40,335 INFO L290 TraceCheckUtils]: 10: Hoare triple {12536#true} assume ~send2~0 == ~id2~0; {12536#true} is VALID [2022-02-20 18:45:40,335 INFO L290 TraceCheckUtils]: 11: Hoare triple {12536#true} assume 0 == ~mode2~0 % 256; {12536#true} is VALID [2022-02-20 18:45:40,339 INFO L290 TraceCheckUtils]: 12: Hoare triple {12536#true} assume ~id3~0 >= 0; {12536#true} is VALID [2022-02-20 18:45:40,341 INFO L290 TraceCheckUtils]: 13: Hoare triple {12536#true} assume 0 == ~st3~0; {12536#true} is VALID [2022-02-20 18:45:40,343 INFO L290 TraceCheckUtils]: 14: Hoare triple {12536#true} assume ~send3~0 == ~id3~0; {12536#true} is VALID [2022-02-20 18:45:40,344 INFO L290 TraceCheckUtils]: 15: Hoare triple {12536#true} assume 0 == ~mode3~0 % 256; {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} is VALID [2022-02-20 18:45:40,345 INFO L290 TraceCheckUtils]: 16: Hoare triple {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} assume ~id4~0 >= 0; {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} is VALID [2022-02-20 18:45:40,345 INFO L290 TraceCheckUtils]: 17: Hoare triple {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} assume 0 == ~st4~0; {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} is VALID [2022-02-20 18:45:40,346 INFO L290 TraceCheckUtils]: 18: Hoare triple {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} assume ~send4~0 == ~id4~0; {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} is VALID [2022-02-20 18:45:40,346 INFO L290 TraceCheckUtils]: 19: Hoare triple {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} assume 0 == ~mode4~0 % 256; {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} is VALID [2022-02-20 18:45:40,347 INFO L290 TraceCheckUtils]: 20: Hoare triple {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} assume ~id1~0 != ~id2~0; {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} is VALID [2022-02-20 18:45:40,347 INFO L290 TraceCheckUtils]: 21: Hoare triple {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} assume ~id1~0 != ~id3~0; {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} is VALID [2022-02-20 18:45:40,347 INFO L290 TraceCheckUtils]: 22: Hoare triple {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} assume ~id1~0 != ~id4~0; {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} is VALID [2022-02-20 18:45:40,348 INFO L290 TraceCheckUtils]: 23: Hoare triple {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} assume ~id2~0 != ~id3~0; {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} is VALID [2022-02-20 18:45:40,348 INFO L290 TraceCheckUtils]: 24: Hoare triple {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} assume ~id2~0 != ~id4~0; {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} is VALID [2022-02-20 18:45:40,349 INFO L290 TraceCheckUtils]: 25: Hoare triple {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} assume ~id3~0 != ~id4~0;main_~init__tmp~0#1 := 1; {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} is VALID [2022-02-20 18:45:40,349 INFO L290 TraceCheckUtils]: 26: Hoare triple {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} ~__return_1566~0 := main_~init__tmp~0#1;main_~main__i2~0#1 := ~__return_1566~0; {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} is VALID [2022-02-20 18:45:40,350 INFO L290 TraceCheckUtils]: 27: Hoare triple {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} assume 0 != main_~main__i2~0#1;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~main__i2~0#1 := 0; {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} is VALID [2022-02-20 18:45:40,350 INFO L290 TraceCheckUtils]: 28: Hoare triple {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~0#1;main_~node1__m1~0#1 := ~nomsg~0; {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} is VALID [2022-02-20 18:45:40,351 INFO L290 TraceCheckUtils]: 29: Hoare triple {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} assume !!(0 == ~mode1~0 % 256); {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} is VALID [2022-02-20 18:45:40,351 INFO L290 TraceCheckUtils]: 30: Hoare triple {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} assume !!(0 == ~alive1~0 % 256); {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} is VALID [2022-02-20 18:45:40,351 INFO L290 TraceCheckUtils]: 31: Hoare triple {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} assume !(~send1~0 != ~id1~0); {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} is VALID [2022-02-20 18:45:40,352 INFO L290 TraceCheckUtils]: 32: Hoare triple {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} ~mode1~0 := 1; {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} is VALID [2022-02-20 18:45:40,352 INFO L290 TraceCheckUtils]: 33: Hoare triple {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} havoc main_~node2__m2~0#1;main_~node2__m2~0#1 := ~nomsg~0; {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} is VALID [2022-02-20 18:45:40,353 INFO L290 TraceCheckUtils]: 34: Hoare triple {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} assume !!(0 == ~mode2~0 % 256); {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} is VALID [2022-02-20 18:45:40,353 INFO L290 TraceCheckUtils]: 35: Hoare triple {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} assume !!(0 == ~alive2~0 % 256); {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} is VALID [2022-02-20 18:45:40,354 INFO L290 TraceCheckUtils]: 36: Hoare triple {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} assume !(~send2~0 != ~id2~0); {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} is VALID [2022-02-20 18:45:40,354 INFO L290 TraceCheckUtils]: 37: Hoare triple {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} ~mode2~0 := 1; {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} is VALID [2022-02-20 18:45:40,354 INFO L290 TraceCheckUtils]: 38: Hoare triple {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} havoc main_~node3__m3~0#1;main_~node3__m3~0#1 := ~nomsg~0; {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} is VALID [2022-02-20 18:45:40,355 INFO L290 TraceCheckUtils]: 39: Hoare triple {12538#(= (+ (* (- 256) (div ~mode3~0 256)) ~mode3~0) 0)} assume !(0 == ~mode3~0 % 256);main_~node3__m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,355 INFO L290 TraceCheckUtils]: 40: Hoare triple {12537#false} assume !(main_~node3__m3~0#1 != ~nomsg~0); {12537#false} is VALID [2022-02-20 18:45:40,355 INFO L290 TraceCheckUtils]: 41: Hoare triple {12537#false} ~mode3~0 := 0; {12537#false} is VALID [2022-02-20 18:45:40,356 INFO L290 TraceCheckUtils]: 42: Hoare triple {12537#false} havoc main_~node4__m4~0#1;main_~node4__m4~0#1 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,356 INFO L290 TraceCheckUtils]: 43: Hoare triple {12537#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,356 INFO L290 TraceCheckUtils]: 44: Hoare triple {12537#false} assume !(main_~node4__m4~0#1 != ~nomsg~0); {12537#false} is VALID [2022-02-20 18:45:40,356 INFO L290 TraceCheckUtils]: 45: Hoare triple {12537#false} ~mode4~0 := 0; {12537#false} is VALID [2022-02-20 18:45:40,356 INFO L290 TraceCheckUtils]: 46: Hoare triple {12537#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~0#1; {12537#false} is VALID [2022-02-20 18:45:40,356 INFO L290 TraceCheckUtils]: 47: Hoare triple {12537#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~0#1 := 0; {12537#false} is VALID [2022-02-20 18:45:40,356 INFO L290 TraceCheckUtils]: 48: Hoare triple {12537#false} ~__return_1653~0 := main_~check__tmp~0#1;main_~main__c1~0#1 := ~__return_1653~0;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; {12537#false} is VALID [2022-02-20 18:45:40,357 INFO L290 TraceCheckUtils]: 49: Hoare triple {12537#false} assume !(0 == main_~assert__arg~0#1 % 256);main_~main____CPAchecker_TMP_0~0#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1; {12537#false} is VALID [2022-02-20 18:45:40,357 INFO L290 TraceCheckUtils]: 50: Hoare triple {12537#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~1#1;main_~node1__m1~1#1 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,357 INFO L290 TraceCheckUtils]: 51: Hoare triple {12537#false} assume !(0 == ~mode1~0 % 256);~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);main_~node1__m1~1#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,357 INFO L290 TraceCheckUtils]: 52: Hoare triple {12537#false} assume !(main_~node1__m1~1#1 != ~nomsg~0); {12537#false} is VALID [2022-02-20 18:45:40,357 INFO L290 TraceCheckUtils]: 53: Hoare triple {12537#false} ~mode1~0 := 0; {12537#false} is VALID [2022-02-20 18:45:40,357 INFO L290 TraceCheckUtils]: 54: Hoare triple {12537#false} havoc main_~node2__m2~1#1;main_~node2__m2~1#1 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,358 INFO L290 TraceCheckUtils]: 55: Hoare triple {12537#false} assume !!(0 == ~mode2~0 % 256); {12537#false} is VALID [2022-02-20 18:45:40,358 INFO L290 TraceCheckUtils]: 56: Hoare triple {12537#false} assume !!(0 == ~alive2~0 % 256); {12537#false} is VALID [2022-02-20 18:45:40,358 INFO L290 TraceCheckUtils]: 57: Hoare triple {12537#false} assume !(~send2~0 != ~id2~0); {12537#false} is VALID [2022-02-20 18:45:40,358 INFO L290 TraceCheckUtils]: 58: Hoare triple {12537#false} ~mode2~0 := 1; {12537#false} is VALID [2022-02-20 18:45:40,358 INFO L290 TraceCheckUtils]: 59: Hoare triple {12537#false} havoc main_~node3__m3~1#1;main_~node3__m3~1#1 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,358 INFO L290 TraceCheckUtils]: 60: Hoare triple {12537#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~1#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,359 INFO L290 TraceCheckUtils]: 61: Hoare triple {12537#false} assume !(main_~node3__m3~1#1 != ~nomsg~0); {12537#false} is VALID [2022-02-20 18:45:40,359 INFO L290 TraceCheckUtils]: 62: Hoare triple {12537#false} ~mode3~0 := 0; {12537#false} is VALID [2022-02-20 18:45:40,359 INFO L290 TraceCheckUtils]: 63: Hoare triple {12537#false} havoc main_~node4__m4~1#1;main_~node4__m4~1#1 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,359 INFO L290 TraceCheckUtils]: 64: Hoare triple {12537#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~1#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,359 INFO L290 TraceCheckUtils]: 65: Hoare triple {12537#false} assume !(main_~node4__m4~1#1 != ~nomsg~0); {12537#false} is VALID [2022-02-20 18:45:40,360 INFO L290 TraceCheckUtils]: 66: Hoare triple {12537#false} ~mode4~0 := 0; {12537#false} is VALID [2022-02-20 18:45:40,360 INFO L290 TraceCheckUtils]: 67: Hoare triple {12537#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~1#1; {12537#false} is VALID [2022-02-20 18:45:40,360 INFO L290 TraceCheckUtils]: 68: Hoare triple {12537#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~1#1 := 0; {12537#false} is VALID [2022-02-20 18:45:40,360 INFO L290 TraceCheckUtils]: 69: Hoare triple {12537#false} ~__return_1737~0 := main_~check__tmp~1#1;main_~main__c1~0#1 := ~__return_1737~0;havoc main_~__tmp_2~0#1;main_~__tmp_2~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~1#1;main_~assert__arg~1#1 := main_~__tmp_2~0#1; {12537#false} is VALID [2022-02-20 18:45:40,360 INFO L290 TraceCheckUtils]: 70: Hoare triple {12537#false} assume !(0 == main_~assert__arg~1#1 % 256);main_~main____CPAchecker_TMP_0~1#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1; {12537#false} is VALID [2022-02-20 18:45:40,360 INFO L290 TraceCheckUtils]: 71: Hoare triple {12537#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~2#1;main_~node1__m1~2#1 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,361 INFO L290 TraceCheckUtils]: 72: Hoare triple {12537#false} assume !!(0 == ~mode1~0 % 256); {12537#false} is VALID [2022-02-20 18:45:40,361 INFO L290 TraceCheckUtils]: 73: Hoare triple {12537#false} assume !!(0 == ~alive1~0 % 256); {12537#false} is VALID [2022-02-20 18:45:40,361 INFO L290 TraceCheckUtils]: 74: Hoare triple {12537#false} assume !(~send1~0 != ~id1~0); {12537#false} is VALID [2022-02-20 18:45:40,361 INFO L290 TraceCheckUtils]: 75: Hoare triple {12537#false} ~mode1~0 := 1; {12537#false} is VALID [2022-02-20 18:45:40,361 INFO L290 TraceCheckUtils]: 76: Hoare triple {12537#false} havoc main_~node2__m2~2#1;main_~node2__m2~2#1 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,361 INFO L290 TraceCheckUtils]: 77: Hoare triple {12537#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~2#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,361 INFO L290 TraceCheckUtils]: 78: Hoare triple {12537#false} assume !(main_~node2__m2~2#1 != ~nomsg~0); {12537#false} is VALID [2022-02-20 18:45:40,362 INFO L290 TraceCheckUtils]: 79: Hoare triple {12537#false} ~mode2~0 := 0; {12537#false} is VALID [2022-02-20 18:45:40,362 INFO L290 TraceCheckUtils]: 80: Hoare triple {12537#false} havoc main_~node3__m3~2#1;main_~node3__m3~2#1 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,362 INFO L290 TraceCheckUtils]: 81: Hoare triple {12537#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~2#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,362 INFO L290 TraceCheckUtils]: 82: Hoare triple {12537#false} assume !(main_~node3__m3~2#1 != ~nomsg~0); {12537#false} is VALID [2022-02-20 18:45:40,362 INFO L290 TraceCheckUtils]: 83: Hoare triple {12537#false} ~mode3~0 := 0; {12537#false} is VALID [2022-02-20 18:45:40,362 INFO L290 TraceCheckUtils]: 84: Hoare triple {12537#false} havoc main_~node4__m4~2#1;main_~node4__m4~2#1 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,363 INFO L290 TraceCheckUtils]: 85: Hoare triple {12537#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~2#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,363 INFO L290 TraceCheckUtils]: 86: Hoare triple {12537#false} assume !(main_~node4__m4~2#1 != ~nomsg~0); {12537#false} is VALID [2022-02-20 18:45:40,363 INFO L290 TraceCheckUtils]: 87: Hoare triple {12537#false} ~mode4~0 := 0; {12537#false} is VALID [2022-02-20 18:45:40,363 INFO L290 TraceCheckUtils]: 88: Hoare triple {12537#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~2#1; {12537#false} is VALID [2022-02-20 18:45:40,363 INFO L290 TraceCheckUtils]: 89: Hoare triple {12537#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~2#1 := 0; {12537#false} is VALID [2022-02-20 18:45:40,363 INFO L290 TraceCheckUtils]: 90: Hoare triple {12537#false} ~__return_1821~0 := main_~check__tmp~2#1;main_~main__c1~0#1 := ~__return_1821~0;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; {12537#false} is VALID [2022-02-20 18:45:40,363 INFO L290 TraceCheckUtils]: 91: Hoare triple {12537#false} assume !(0 == main_~assert__arg~2#1 % 256);main_~main____CPAchecker_TMP_0~2#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1; {12537#false} is VALID [2022-02-20 18:45:40,364 INFO L290 TraceCheckUtils]: 92: Hoare triple {12537#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~3#1;main_~node1__m1~3#1 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,364 INFO L290 TraceCheckUtils]: 93: Hoare triple {12537#false} assume !(0 == ~mode1~0 % 256);~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);main_~node1__m1~3#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,364 INFO L290 TraceCheckUtils]: 94: Hoare triple {12537#false} assume !(main_~node1__m1~3#1 != ~nomsg~0); {12537#false} is VALID [2022-02-20 18:45:40,364 INFO L290 TraceCheckUtils]: 95: Hoare triple {12537#false} ~mode1~0 := 0; {12537#false} is VALID [2022-02-20 18:45:40,364 INFO L290 TraceCheckUtils]: 96: Hoare triple {12537#false} havoc main_~node2__m2~3#1;main_~node2__m2~3#1 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,364 INFO L290 TraceCheckUtils]: 97: Hoare triple {12537#false} assume !!(0 == ~mode2~0 % 256); {12537#false} is VALID [2022-02-20 18:45:40,365 INFO L290 TraceCheckUtils]: 98: Hoare triple {12537#false} assume !!(0 == ~alive2~0 % 256); {12537#false} is VALID [2022-02-20 18:45:40,366 INFO L290 TraceCheckUtils]: 99: Hoare triple {12537#false} assume !(~send2~0 != ~id2~0); {12537#false} is VALID [2022-02-20 18:45:40,366 INFO L290 TraceCheckUtils]: 100: Hoare triple {12537#false} ~mode2~0 := 1; {12537#false} is VALID [2022-02-20 18:45:40,366 INFO L290 TraceCheckUtils]: 101: Hoare triple {12537#false} havoc main_~node3__m3~3#1;main_~node3__m3~3#1 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,367 INFO L290 TraceCheckUtils]: 102: Hoare triple {12537#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~3#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,367 INFO L290 TraceCheckUtils]: 103: Hoare triple {12537#false} assume !(main_~node3__m3~3#1 != ~nomsg~0); {12537#false} is VALID [2022-02-20 18:45:40,367 INFO L290 TraceCheckUtils]: 104: Hoare triple {12537#false} ~mode3~0 := 0; {12537#false} is VALID [2022-02-20 18:45:40,367 INFO L290 TraceCheckUtils]: 105: Hoare triple {12537#false} havoc main_~node4__m4~3#1;main_~node4__m4~3#1 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,367 INFO L290 TraceCheckUtils]: 106: Hoare triple {12537#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~3#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,367 INFO L290 TraceCheckUtils]: 107: Hoare triple {12537#false} assume !(main_~node4__m4~3#1 != ~nomsg~0); {12537#false} is VALID [2022-02-20 18:45:40,367 INFO L290 TraceCheckUtils]: 108: Hoare triple {12537#false} ~mode4~0 := 0; {12537#false} is VALID [2022-02-20 18:45:40,368 INFO L290 TraceCheckUtils]: 109: Hoare triple {12537#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~3#1; {12537#false} is VALID [2022-02-20 18:45:40,368 INFO L290 TraceCheckUtils]: 110: Hoare triple {12537#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~3#1 := 0; {12537#false} is VALID [2022-02-20 18:45:40,368 INFO L290 TraceCheckUtils]: 111: Hoare triple {12537#false} ~__return_1905~0 := main_~check__tmp~3#1;main_~main__c1~0#1 := ~__return_1905~0;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; {12537#false} is VALID [2022-02-20 18:45:40,368 INFO L290 TraceCheckUtils]: 112: Hoare triple {12537#false} assume !(0 == main_~assert__arg~3#1 % 256);main_~main____CPAchecker_TMP_0~3#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1;~__tmp_1915_0~0 := main_~main____CPAchecker_TMP_0~3#1; {12537#false} is VALID [2022-02-20 18:45:40,368 INFO L290 TraceCheckUtils]: 113: Hoare triple {12537#false} main_~main____CPAchecker_TMP_0~3#1 := ~__tmp_1915_0~0; {12537#false} is VALID [2022-02-20 18:45:40,368 INFO L290 TraceCheckUtils]: 114: Hoare triple {12537#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~4#1;main_~node1__m1~4#1 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,369 INFO L290 TraceCheckUtils]: 115: Hoare triple {12537#false} assume !!(0 == ~mode1~0 % 256); {12537#false} is VALID [2022-02-20 18:45:40,369 INFO L290 TraceCheckUtils]: 116: Hoare triple {12537#false} assume !!(0 == ~alive1~0 % 256); {12537#false} is VALID [2022-02-20 18:45:40,369 INFO L290 TraceCheckUtils]: 117: Hoare triple {12537#false} assume !(~send1~0 != ~id1~0); {12537#false} is VALID [2022-02-20 18:45:40,369 INFO L290 TraceCheckUtils]: 118: Hoare triple {12537#false} ~mode1~0 := 1; {12537#false} is VALID [2022-02-20 18:45:40,369 INFO L290 TraceCheckUtils]: 119: Hoare triple {12537#false} havoc main_~node2__m2~4#1;main_~node2__m2~4#1 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,369 INFO L290 TraceCheckUtils]: 120: Hoare triple {12537#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~4#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,370 INFO L290 TraceCheckUtils]: 121: Hoare triple {12537#false} assume !(main_~node2__m2~4#1 != ~nomsg~0); {12537#false} is VALID [2022-02-20 18:45:40,370 INFO L290 TraceCheckUtils]: 122: Hoare triple {12537#false} ~mode2~0 := 0; {12537#false} is VALID [2022-02-20 18:45:40,370 INFO L290 TraceCheckUtils]: 123: Hoare triple {12537#false} havoc main_~node3__m3~4#1;main_~node3__m3~4#1 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,370 INFO L290 TraceCheckUtils]: 124: Hoare triple {12537#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~4#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,370 INFO L290 TraceCheckUtils]: 125: Hoare triple {12537#false} assume !(main_~node3__m3~4#1 != ~nomsg~0); {12537#false} is VALID [2022-02-20 18:45:40,370 INFO L290 TraceCheckUtils]: 126: Hoare triple {12537#false} ~mode3~0 := 0; {12537#false} is VALID [2022-02-20 18:45:40,371 INFO L290 TraceCheckUtils]: 127: Hoare triple {12537#false} havoc main_~node4__m4~4#1;main_~node4__m4~4#1 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,371 INFO L290 TraceCheckUtils]: 128: Hoare triple {12537#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~4#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {12537#false} is VALID [2022-02-20 18:45:40,372 INFO L290 TraceCheckUtils]: 129: Hoare triple {12537#false} assume !(main_~node4__m4~4#1 != ~nomsg~0); {12537#false} is VALID [2022-02-20 18:45:40,372 INFO L290 TraceCheckUtils]: 130: Hoare triple {12537#false} ~mode4~0 := 0; {12537#false} is VALID [2022-02-20 18:45:40,374 INFO L290 TraceCheckUtils]: 131: Hoare triple {12537#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~4#1; {12537#false} is VALID [2022-02-20 18:45:40,374 INFO L290 TraceCheckUtils]: 132: Hoare triple {12537#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~4#1 := 0; {12537#false} is VALID [2022-02-20 18:45:40,374 INFO L290 TraceCheckUtils]: 133: Hoare triple {12537#false} ~__return_1991~0 := main_~check__tmp~4#1;main_~main__c1~0#1 := ~__return_1991~0;havoc main_~__tmp_5~0#1;main_~__tmp_5~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~4#1;main_~assert__arg~4#1 := main_~__tmp_5~0#1; {12537#false} is VALID [2022-02-20 18:45:40,374 INFO L290 TraceCheckUtils]: 134: Hoare triple {12537#false} assume 0 == main_~assert__arg~4#1 % 256; {12537#false} is VALID [2022-02-20 18:45:40,374 INFO L290 TraceCheckUtils]: 135: Hoare triple {12537#false} assume !false; {12537#false} is VALID [2022-02-20 18:45:40,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:45:40,375 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:45:40,376 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762670353] [2022-02-20 18:45:40,376 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762670353] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:45:40,376 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:45:40,376 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:45:40,376 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311141322] [2022-02-20 18:45:40,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:45:40,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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 136 [2022-02-20 18:45:40,377 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:45:40,378 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:40,471 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 136 edges. 136 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:45:40,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:45:40,472 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:45:40,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:45:40,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:45:40,473 INFO L87 Difference]: Start difference. First operand 1068 states and 1673 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:41,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:45:41,682 INFO L93 Difference]: Finished difference Result 2718 states and 4276 transitions. [2022-02-20 18:45:41,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:45:41,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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 136 [2022-02-20 18:45:41,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:45:41,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:41,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1515 transitions. [2022-02-20 18:45:41,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:41,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1515 transitions. [2022-02-20 18:45:41,698 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 1515 transitions. [2022-02-20 18:45:42,650 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 1515 edges. 1515 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:45:42,775 INFO L225 Difference]: With dead ends: 2718 [2022-02-20 18:45:42,776 INFO L226 Difference]: Without dead ends: 1717 [2022-02-20 18:45:42,777 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:45:42,780 INFO L933 BasicCegarLoop]: 760 mSDtfsCounter, 443 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 1234 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:45:42,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [443 Valid, 1234 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:45:42,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1717 states. [2022-02-20 18:45:42,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1717 to 1715. [2022-02-20 18:45:42,838 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:45:42,842 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1717 states. Second operand has 1715 states, 1714 states have (on average 1.560676779463244) internal successors, (2675), 1714 states have internal predecessors, (2675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:42,845 INFO L74 IsIncluded]: Start isIncluded. First operand 1717 states. Second operand has 1715 states, 1714 states have (on average 1.560676779463244) internal successors, (2675), 1714 states have internal predecessors, (2675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:42,847 INFO L87 Difference]: Start difference. First operand 1717 states. Second operand has 1715 states, 1714 states have (on average 1.560676779463244) internal successors, (2675), 1714 states have internal predecessors, (2675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:42,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:45:42,982 INFO L93 Difference]: Finished difference Result 1717 states and 2676 transitions. [2022-02-20 18:45:42,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 2676 transitions. [2022-02-20 18:45:42,985 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:45:42,985 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:45:42,989 INFO L74 IsIncluded]: Start isIncluded. First operand has 1715 states, 1714 states have (on average 1.560676779463244) internal successors, (2675), 1714 states have internal predecessors, (2675), 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 1717 states. [2022-02-20 18:45:43,005 INFO L87 Difference]: Start difference. First operand has 1715 states, 1714 states have (on average 1.560676779463244) internal successors, (2675), 1714 states have internal predecessors, (2675), 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 1717 states. [2022-02-20 18:45:43,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:45:43,182 INFO L93 Difference]: Finished difference Result 1717 states and 2676 transitions. [2022-02-20 18:45:43,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 2676 transitions. [2022-02-20 18:45:43,185 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:45:43,185 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:45:43,185 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:45:43,185 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:45:43,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1715 states, 1714 states have (on average 1.560676779463244) internal successors, (2675), 1714 states have internal predecessors, (2675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:43,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1715 states and 2675 transitions. [2022-02-20 18:45:43,359 INFO L78 Accepts]: Start accepts. Automaton has 1715 states and 2675 transitions. Word has length 136 [2022-02-20 18:45:43,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:45:43,359 INFO L470 AbstractCegarLoop]: Abstraction has 1715 states and 2675 transitions. [2022-02-20 18:45:43,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:43,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2675 transitions. [2022-02-20 18:45:43,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-02-20 18:45:43,363 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:45:43,363 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:45:43,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 18:45:43,364 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:45:43,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:45:43,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1063364304, now seen corresponding path program 1 times [2022-02-20 18:45:43,365 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:45:43,365 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713981428] [2022-02-20 18:45:43,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:45:43,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:45:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:45:43,446 INFO L290 TraceCheckUtils]: 0: Hoare triple {22052#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(65, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~__return_1566~0 := 0;~__return_1653~0 := 0;~__return_1737~0 := 0;~__return_1821~0 := 0;~__return_1905~0 := 0;~__tmp_1915_0~0 := 0;~__return_1991~0 := 0;~__return_1918~0 := 0; {22052#true} is VALID [2022-02-20 18:45:43,446 INFO L290 TraceCheckUtils]: 1: Hoare triple {22052#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_~main____CPAchecker_TMP_0~4#1, main_~__tmp_5~0#1, main_~assert__arg~4#1, main_~check__tmp~4#1, main_~node4____CPAchecker_TMP_0~0#1, main_~node4____CPAchecker_TMP_1~0#1, main_~node4__m4~4#1, main_~node3____CPAchecker_TMP_0~0#1, main_~node3____CPAchecker_TMP_1~0#1, main_~node3__m3~4#1, main_~node2____CPAchecker_TMP_0~0#1, main_~node2____CPAchecker_TMP_1~0#1, main_~node2__m2~4#1, main_~node1____CPAchecker_TMP_0~0#1, main_~node1____CPAchecker_TMP_1~0#1, main_~node1__m1~4#1, main_~main____CPAchecker_TMP_0~3#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~3#1, main_~node4____CPAchecker_TMP_0~1#1, main_~node4____CPAchecker_TMP_1~1#1, main_~node4__m4~3#1, main_~node3____CPAchecker_TMP_0~1#1, main_~node3____CPAchecker_TMP_1~1#1, main_~node3__m3~3#1, main_~node2____CPAchecker_TMP_0~1#1, main_~node2____CPAchecker_TMP_1~1#1, main_~node2__m2~3#1, main_~node1____CPAchecker_TMP_0~1#1, main_~node1____CPAchecker_TMP_1~1#1, main_~node1__m1~3#1, main_~main____CPAchecker_TMP_0~2#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~2#1, main_~node4____CPAchecker_TMP_0~2#1, main_~node4____CPAchecker_TMP_1~2#1, main_~node4__m4~2#1, main_~node3____CPAchecker_TMP_0~2#1, main_~node3____CPAchecker_TMP_1~2#1, main_~node3__m3~2#1, main_~node2____CPAchecker_TMP_0~2#1, main_~node2____CPAchecker_TMP_1~2#1, main_~node2__m2~2#1, main_~node1____CPAchecker_TMP_0~2#1, main_~node1____CPAchecker_TMP_1~2#1, main_~node1__m1~2#1, main_~main____CPAchecker_TMP_0~1#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~1#1, main_~node4____CPAchecker_TMP_0~3#1, main_~node4____CPAchecker_TMP_1~3#1, main_~node4__m4~1#1, main_~node3____CPAchecker_TMP_0~3#1, main_~node3____CPAchecker_TMP_1~3#1, main_~node3__m3~1#1, main_~node2____CPAchecker_TMP_0~3#1, main_~node2____CPAchecker_TMP_1~3#1, main_~node2__m2~1#1, main_~node1____CPAchecker_TMP_0~3#1, main_~node1____CPAchecker_TMP_1~3#1, main_~node1__m1~1#1, main_~main____CPAchecker_TMP_0~0#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~node4____CPAchecker_TMP_0~4#1, main_~node4____CPAchecker_TMP_1~4#1, main_~node4__m4~0#1, main_~node3____CPAchecker_TMP_0~4#1, main_~node3____CPAchecker_TMP_1~4#1, main_~node3__m3~0#1, main_~node2____CPAchecker_TMP_0~4#1, main_~node2____CPAchecker_TMP_1~4#1, main_~node2__m2~0#1, main_~node1____CPAchecker_TMP_0~4#1, main_~node1____CPAchecker_TMP_1~4#1, main_~node1__m1~0#1, main_~init__tmp~0#1, main_~main__c1~0#1, main_~main__i2~0#1;havoc main_~main__c1~0#1;havoc main_~main__i2~0#1;main_~main__c1~0#1 := 0;assume -128 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 127;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -128 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 127;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -128 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 127;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -128 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 127;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -128 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 127;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -128 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 127;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -128 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 127;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;assume -128 <= main_#t~nondet15#1 && main_#t~nondet15#1 <= 127;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;assume -128 <= main_#t~nondet16#1 && main_#t~nondet16#1 <= 127;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume -128 <= main_#t~nondet17#1 && main_#t~nondet17#1 <= 127;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;assume -128 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 127;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;assume -128 <= main_#t~nondet21#1 && main_#t~nondet21#1 <= 127;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;assume -128 <= main_#t~nondet22#1 && main_#t~nondet22#1 <= 127;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_~init__tmp~0#1; {22052#true} is VALID [2022-02-20 18:45:43,446 INFO L290 TraceCheckUtils]: 2: Hoare triple {22052#true} assume 0 == ~r1~0; {22052#true} is VALID [2022-02-20 18:45:43,447 INFO L290 TraceCheckUtils]: 3: Hoare triple {22052#true} assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; {22052#true} is VALID [2022-02-20 18:45:43,447 INFO L290 TraceCheckUtils]: 4: Hoare triple {22052#true} assume ~id1~0 >= 0; {22052#true} is VALID [2022-02-20 18:45:43,447 INFO L290 TraceCheckUtils]: 5: Hoare triple {22052#true} assume 0 == ~st1~0; {22052#true} is VALID [2022-02-20 18:45:43,448 INFO L290 TraceCheckUtils]: 6: Hoare triple {22052#true} assume ~send1~0 == ~id1~0; {22052#true} is VALID [2022-02-20 18:45:43,448 INFO L290 TraceCheckUtils]: 7: Hoare triple {22052#true} assume 0 == ~mode1~0 % 256; {22052#true} is VALID [2022-02-20 18:45:43,448 INFO L290 TraceCheckUtils]: 8: Hoare triple {22052#true} assume ~id2~0 >= 0; {22052#true} is VALID [2022-02-20 18:45:43,449 INFO L290 TraceCheckUtils]: 9: Hoare triple {22052#true} assume 0 == ~st2~0; {22052#true} is VALID [2022-02-20 18:45:43,449 INFO L290 TraceCheckUtils]: 10: Hoare triple {22052#true} assume ~send2~0 == ~id2~0; {22052#true} is VALID [2022-02-20 18:45:43,449 INFO L290 TraceCheckUtils]: 11: Hoare triple {22052#true} assume 0 == ~mode2~0 % 256; {22052#true} is VALID [2022-02-20 18:45:43,449 INFO L290 TraceCheckUtils]: 12: Hoare triple {22052#true} assume ~id3~0 >= 0; {22052#true} is VALID [2022-02-20 18:45:43,449 INFO L290 TraceCheckUtils]: 13: Hoare triple {22052#true} assume 0 == ~st3~0; {22052#true} is VALID [2022-02-20 18:45:43,449 INFO L290 TraceCheckUtils]: 14: Hoare triple {22052#true} assume ~send3~0 == ~id3~0; {22052#true} is VALID [2022-02-20 18:45:43,450 INFO L290 TraceCheckUtils]: 15: Hoare triple {22052#true} assume 0 == ~mode3~0 % 256; {22052#true} is VALID [2022-02-20 18:45:43,450 INFO L290 TraceCheckUtils]: 16: Hoare triple {22052#true} assume ~id4~0 >= 0; {22052#true} is VALID [2022-02-20 18:45:43,450 INFO L290 TraceCheckUtils]: 17: Hoare triple {22052#true} assume 0 == ~st4~0; {22052#true} is VALID [2022-02-20 18:45:43,450 INFO L290 TraceCheckUtils]: 18: Hoare triple {22052#true} assume ~send4~0 == ~id4~0; {22052#true} is VALID [2022-02-20 18:45:43,451 INFO L290 TraceCheckUtils]: 19: Hoare triple {22052#true} assume 0 == ~mode4~0 % 256; {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} is VALID [2022-02-20 18:45:43,451 INFO L290 TraceCheckUtils]: 20: Hoare triple {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} assume ~id1~0 != ~id2~0; {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} is VALID [2022-02-20 18:45:43,451 INFO L290 TraceCheckUtils]: 21: Hoare triple {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} assume ~id1~0 != ~id3~0; {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} is VALID [2022-02-20 18:45:43,452 INFO L290 TraceCheckUtils]: 22: Hoare triple {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} assume ~id1~0 != ~id4~0; {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} is VALID [2022-02-20 18:45:43,452 INFO L290 TraceCheckUtils]: 23: Hoare triple {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} assume ~id2~0 != ~id3~0; {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} is VALID [2022-02-20 18:45:43,453 INFO L290 TraceCheckUtils]: 24: Hoare triple {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} assume ~id2~0 != ~id4~0; {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} is VALID [2022-02-20 18:45:43,453 INFO L290 TraceCheckUtils]: 25: Hoare triple {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} assume ~id3~0 != ~id4~0;main_~init__tmp~0#1 := 1; {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} is VALID [2022-02-20 18:45:43,454 INFO L290 TraceCheckUtils]: 26: Hoare triple {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} ~__return_1566~0 := main_~init__tmp~0#1;main_~main__i2~0#1 := ~__return_1566~0; {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} is VALID [2022-02-20 18:45:43,454 INFO L290 TraceCheckUtils]: 27: Hoare triple {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} assume 0 != main_~main__i2~0#1;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~main__i2~0#1 := 0; {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} is VALID [2022-02-20 18:45:43,455 INFO L290 TraceCheckUtils]: 28: Hoare triple {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~0#1;main_~node1__m1~0#1 := ~nomsg~0; {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} is VALID [2022-02-20 18:45:43,455 INFO L290 TraceCheckUtils]: 29: Hoare triple {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} assume !!(0 == ~mode1~0 % 256); {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} is VALID [2022-02-20 18:45:43,455 INFO L290 TraceCheckUtils]: 30: Hoare triple {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} assume !!(0 == ~alive1~0 % 256); {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} is VALID [2022-02-20 18:45:43,456 INFO L290 TraceCheckUtils]: 31: Hoare triple {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} assume !(~send1~0 != ~id1~0); {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} is VALID [2022-02-20 18:45:43,456 INFO L290 TraceCheckUtils]: 32: Hoare triple {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} ~mode1~0 := 1; {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} is VALID [2022-02-20 18:45:43,457 INFO L290 TraceCheckUtils]: 33: Hoare triple {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} havoc main_~node2__m2~0#1;main_~node2__m2~0#1 := ~nomsg~0; {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} is VALID [2022-02-20 18:45:43,457 INFO L290 TraceCheckUtils]: 34: Hoare triple {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} assume !!(0 == ~mode2~0 % 256); {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} is VALID [2022-02-20 18:45:43,458 INFO L290 TraceCheckUtils]: 35: Hoare triple {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} assume !!(0 == ~alive2~0 % 256); {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} is VALID [2022-02-20 18:45:43,458 INFO L290 TraceCheckUtils]: 36: Hoare triple {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} assume !(~send2~0 != ~id2~0); {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} is VALID [2022-02-20 18:45:43,458 INFO L290 TraceCheckUtils]: 37: Hoare triple {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} ~mode2~0 := 1; {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} is VALID [2022-02-20 18:45:43,459 INFO L290 TraceCheckUtils]: 38: Hoare triple {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} havoc main_~node3__m3~0#1;main_~node3__m3~0#1 := ~nomsg~0; {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} is VALID [2022-02-20 18:45:43,459 INFO L290 TraceCheckUtils]: 39: Hoare triple {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} assume !!(0 == ~mode3~0 % 256); {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} is VALID [2022-02-20 18:45:43,460 INFO L290 TraceCheckUtils]: 40: Hoare triple {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} assume !!(0 == ~alive3~0 % 256); {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} is VALID [2022-02-20 18:45:43,460 INFO L290 TraceCheckUtils]: 41: Hoare triple {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} assume !(~send3~0 != ~id3~0); {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} is VALID [2022-02-20 18:45:43,461 INFO L290 TraceCheckUtils]: 42: Hoare triple {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} ~mode3~0 := 1; {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} is VALID [2022-02-20 18:45:43,461 INFO L290 TraceCheckUtils]: 43: Hoare triple {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} havoc main_~node4__m4~0#1;main_~node4__m4~0#1 := ~nomsg~0; {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} is VALID [2022-02-20 18:45:43,462 INFO L290 TraceCheckUtils]: 44: Hoare triple {22054#(= (+ (* (div ~mode4~0 256) (- 256)) ~mode4~0) 0)} assume !(0 == ~mode4~0 % 256);main_~node4__m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {22053#false} is VALID [2022-02-20 18:45:43,462 INFO L290 TraceCheckUtils]: 45: Hoare triple {22053#false} assume !(main_~node4__m4~0#1 != ~nomsg~0); {22053#false} is VALID [2022-02-20 18:45:43,462 INFO L290 TraceCheckUtils]: 46: Hoare triple {22053#false} ~mode4~0 := 0; {22053#false} is VALID [2022-02-20 18:45:43,462 INFO L290 TraceCheckUtils]: 47: Hoare triple {22053#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~0#1; {22053#false} is VALID [2022-02-20 18:45:43,462 INFO L290 TraceCheckUtils]: 48: Hoare triple {22053#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~0#1 := 0; {22053#false} is VALID [2022-02-20 18:45:43,462 INFO L290 TraceCheckUtils]: 49: Hoare triple {22053#false} ~__return_1653~0 := main_~check__tmp~0#1;main_~main__c1~0#1 := ~__return_1653~0;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; {22053#false} is VALID [2022-02-20 18:45:43,463 INFO L290 TraceCheckUtils]: 50: Hoare triple {22053#false} assume !(0 == main_~assert__arg~0#1 % 256);main_~main____CPAchecker_TMP_0~0#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1; {22053#false} is VALID [2022-02-20 18:45:43,463 INFO L290 TraceCheckUtils]: 51: Hoare triple {22053#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~1#1;main_~node1__m1~1#1 := ~nomsg~0; {22053#false} is VALID [2022-02-20 18:45:43,463 INFO L290 TraceCheckUtils]: 52: Hoare triple {22053#false} assume !(0 == ~mode1~0 % 256);~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);main_~node1__m1~1#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {22053#false} is VALID [2022-02-20 18:45:43,463 INFO L290 TraceCheckUtils]: 53: Hoare triple {22053#false} assume !(main_~node1__m1~1#1 != ~nomsg~0); {22053#false} is VALID [2022-02-20 18:45:43,463 INFO L290 TraceCheckUtils]: 54: Hoare triple {22053#false} ~mode1~0 := 0; {22053#false} is VALID [2022-02-20 18:45:43,463 INFO L290 TraceCheckUtils]: 55: Hoare triple {22053#false} havoc main_~node2__m2~1#1;main_~node2__m2~1#1 := ~nomsg~0; {22053#false} is VALID [2022-02-20 18:45:43,464 INFO L290 TraceCheckUtils]: 56: Hoare triple {22053#false} assume !!(0 == ~mode2~0 % 256); {22053#false} is VALID [2022-02-20 18:45:43,464 INFO L290 TraceCheckUtils]: 57: Hoare triple {22053#false} assume !!(0 == ~alive2~0 % 256); {22053#false} is VALID [2022-02-20 18:45:43,464 INFO L290 TraceCheckUtils]: 58: Hoare triple {22053#false} assume !(~send2~0 != ~id2~0); {22053#false} is VALID [2022-02-20 18:45:43,464 INFO L290 TraceCheckUtils]: 59: Hoare triple {22053#false} ~mode2~0 := 1; {22053#false} is VALID [2022-02-20 18:45:43,464 INFO L290 TraceCheckUtils]: 60: Hoare triple {22053#false} havoc main_~node3__m3~1#1;main_~node3__m3~1#1 := ~nomsg~0; {22053#false} is VALID [2022-02-20 18:45:43,464 INFO L290 TraceCheckUtils]: 61: Hoare triple {22053#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~1#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {22053#false} is VALID [2022-02-20 18:45:43,464 INFO L290 TraceCheckUtils]: 62: Hoare triple {22053#false} assume !(main_~node3__m3~1#1 != ~nomsg~0); {22053#false} is VALID [2022-02-20 18:45:43,465 INFO L290 TraceCheckUtils]: 63: Hoare triple {22053#false} ~mode3~0 := 0; {22053#false} is VALID [2022-02-20 18:45:43,465 INFO L290 TraceCheckUtils]: 64: Hoare triple {22053#false} havoc main_~node4__m4~1#1;main_~node4__m4~1#1 := ~nomsg~0; {22053#false} is VALID [2022-02-20 18:45:43,465 INFO L290 TraceCheckUtils]: 65: Hoare triple {22053#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~1#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {22053#false} is VALID [2022-02-20 18:45:43,465 INFO L290 TraceCheckUtils]: 66: Hoare triple {22053#false} assume !(main_~node4__m4~1#1 != ~nomsg~0); {22053#false} is VALID [2022-02-20 18:45:43,465 INFO L290 TraceCheckUtils]: 67: Hoare triple {22053#false} ~mode4~0 := 0; {22053#false} is VALID [2022-02-20 18:45:43,465 INFO L290 TraceCheckUtils]: 68: Hoare triple {22053#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~1#1; {22053#false} is VALID [2022-02-20 18:45:43,466 INFO L290 TraceCheckUtils]: 69: Hoare triple {22053#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~1#1 := 0; {22053#false} is VALID [2022-02-20 18:45:43,466 INFO L290 TraceCheckUtils]: 70: Hoare triple {22053#false} ~__return_1737~0 := main_~check__tmp~1#1;main_~main__c1~0#1 := ~__return_1737~0;havoc main_~__tmp_2~0#1;main_~__tmp_2~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~1#1;main_~assert__arg~1#1 := main_~__tmp_2~0#1; {22053#false} is VALID [2022-02-20 18:45:43,466 INFO L290 TraceCheckUtils]: 71: Hoare triple {22053#false} assume !(0 == main_~assert__arg~1#1 % 256);main_~main____CPAchecker_TMP_0~1#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1; {22053#false} is VALID [2022-02-20 18:45:43,466 INFO L290 TraceCheckUtils]: 72: Hoare triple {22053#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~2#1;main_~node1__m1~2#1 := ~nomsg~0; {22053#false} is VALID [2022-02-20 18:45:43,466 INFO L290 TraceCheckUtils]: 73: Hoare triple {22053#false} assume !!(0 == ~mode1~0 % 256); {22053#false} is VALID [2022-02-20 18:45:43,466 INFO L290 TraceCheckUtils]: 74: Hoare triple {22053#false} assume !!(0 == ~alive1~0 % 256); {22053#false} is VALID [2022-02-20 18:45:43,466 INFO L290 TraceCheckUtils]: 75: Hoare triple {22053#false} assume !(~send1~0 != ~id1~0); {22053#false} is VALID [2022-02-20 18:45:43,467 INFO L290 TraceCheckUtils]: 76: Hoare triple {22053#false} ~mode1~0 := 1; {22053#false} is VALID [2022-02-20 18:45:43,467 INFO L290 TraceCheckUtils]: 77: Hoare triple {22053#false} havoc main_~node2__m2~2#1;main_~node2__m2~2#1 := ~nomsg~0; {22053#false} is VALID [2022-02-20 18:45:43,467 INFO L290 TraceCheckUtils]: 78: Hoare triple {22053#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~2#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {22053#false} is VALID [2022-02-20 18:45:43,467 INFO L290 TraceCheckUtils]: 79: Hoare triple {22053#false} assume !(main_~node2__m2~2#1 != ~nomsg~0); {22053#false} is VALID [2022-02-20 18:45:43,467 INFO L290 TraceCheckUtils]: 80: Hoare triple {22053#false} ~mode2~0 := 0; {22053#false} is VALID [2022-02-20 18:45:43,467 INFO L290 TraceCheckUtils]: 81: Hoare triple {22053#false} havoc main_~node3__m3~2#1;main_~node3__m3~2#1 := ~nomsg~0; {22053#false} is VALID [2022-02-20 18:45:43,468 INFO L290 TraceCheckUtils]: 82: Hoare triple {22053#false} assume !!(0 == ~mode3~0 % 256); {22053#false} is VALID [2022-02-20 18:45:43,468 INFO L290 TraceCheckUtils]: 83: Hoare triple {22053#false} assume !!(0 == ~alive3~0 % 256); {22053#false} is VALID [2022-02-20 18:45:43,468 INFO L290 TraceCheckUtils]: 84: Hoare triple {22053#false} assume !(~send3~0 != ~id3~0); {22053#false} is VALID [2022-02-20 18:45:43,468 INFO L290 TraceCheckUtils]: 85: Hoare triple {22053#false} ~mode3~0 := 1; {22053#false} is VALID [2022-02-20 18:45:43,468 INFO L290 TraceCheckUtils]: 86: Hoare triple {22053#false} havoc main_~node4__m4~2#1;main_~node4__m4~2#1 := ~nomsg~0; {22053#false} is VALID [2022-02-20 18:45:43,468 INFO L290 TraceCheckUtils]: 87: Hoare triple {22053#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~2#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {22053#false} is VALID [2022-02-20 18:45:43,468 INFO L290 TraceCheckUtils]: 88: Hoare triple {22053#false} assume !(main_~node4__m4~2#1 != ~nomsg~0); {22053#false} is VALID [2022-02-20 18:45:43,469 INFO L290 TraceCheckUtils]: 89: Hoare triple {22053#false} ~mode4~0 := 0; {22053#false} is VALID [2022-02-20 18:45:43,469 INFO L290 TraceCheckUtils]: 90: Hoare triple {22053#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~2#1; {22053#false} is VALID [2022-02-20 18:45:43,469 INFO L290 TraceCheckUtils]: 91: Hoare triple {22053#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~2#1 := 0; {22053#false} is VALID [2022-02-20 18:45:43,469 INFO L290 TraceCheckUtils]: 92: Hoare triple {22053#false} ~__return_1821~0 := main_~check__tmp~2#1;main_~main__c1~0#1 := ~__return_1821~0;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; {22053#false} is VALID [2022-02-20 18:45:43,469 INFO L290 TraceCheckUtils]: 93: Hoare triple {22053#false} assume !(0 == main_~assert__arg~2#1 % 256);main_~main____CPAchecker_TMP_0~2#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1; {22053#false} is VALID [2022-02-20 18:45:43,469 INFO L290 TraceCheckUtils]: 94: Hoare triple {22053#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~3#1;main_~node1__m1~3#1 := ~nomsg~0; {22053#false} is VALID [2022-02-20 18:45:43,470 INFO L290 TraceCheckUtils]: 95: Hoare triple {22053#false} assume !(0 == ~mode1~0 % 256);~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);main_~node1__m1~3#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {22053#false} is VALID [2022-02-20 18:45:43,470 INFO L290 TraceCheckUtils]: 96: Hoare triple {22053#false} assume !(main_~node1__m1~3#1 != ~nomsg~0); {22053#false} is VALID [2022-02-20 18:45:43,470 INFO L290 TraceCheckUtils]: 97: Hoare triple {22053#false} ~mode1~0 := 0; {22053#false} is VALID [2022-02-20 18:45:43,470 INFO L290 TraceCheckUtils]: 98: Hoare triple {22053#false} havoc main_~node2__m2~3#1;main_~node2__m2~3#1 := ~nomsg~0; {22053#false} is VALID [2022-02-20 18:45:43,470 INFO L290 TraceCheckUtils]: 99: Hoare triple {22053#false} assume !!(0 == ~mode2~0 % 256); {22053#false} is VALID [2022-02-20 18:45:43,470 INFO L290 TraceCheckUtils]: 100: Hoare triple {22053#false} assume !!(0 == ~alive2~0 % 256); {22053#false} is VALID [2022-02-20 18:45:43,470 INFO L290 TraceCheckUtils]: 101: Hoare triple {22053#false} assume !(~send2~0 != ~id2~0); {22053#false} is VALID [2022-02-20 18:45:43,471 INFO L290 TraceCheckUtils]: 102: Hoare triple {22053#false} ~mode2~0 := 1; {22053#false} is VALID [2022-02-20 18:45:43,471 INFO L290 TraceCheckUtils]: 103: Hoare triple {22053#false} havoc main_~node3__m3~3#1;main_~node3__m3~3#1 := ~nomsg~0; {22053#false} is VALID [2022-02-20 18:45:43,471 INFO L290 TraceCheckUtils]: 104: Hoare triple {22053#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~3#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {22053#false} is VALID [2022-02-20 18:45:43,471 INFO L290 TraceCheckUtils]: 105: Hoare triple {22053#false} assume !(main_~node3__m3~3#1 != ~nomsg~0); {22053#false} is VALID [2022-02-20 18:45:43,471 INFO L290 TraceCheckUtils]: 106: Hoare triple {22053#false} ~mode3~0 := 0; {22053#false} is VALID [2022-02-20 18:45:43,471 INFO L290 TraceCheckUtils]: 107: Hoare triple {22053#false} havoc main_~node4__m4~3#1;main_~node4__m4~3#1 := ~nomsg~0; {22053#false} is VALID [2022-02-20 18:45:43,471 INFO L290 TraceCheckUtils]: 108: Hoare triple {22053#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~3#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {22053#false} is VALID [2022-02-20 18:45:43,472 INFO L290 TraceCheckUtils]: 109: Hoare triple {22053#false} assume !(main_~node4__m4~3#1 != ~nomsg~0); {22053#false} is VALID [2022-02-20 18:45:43,472 INFO L290 TraceCheckUtils]: 110: Hoare triple {22053#false} ~mode4~0 := 0; {22053#false} is VALID [2022-02-20 18:45:43,472 INFO L290 TraceCheckUtils]: 111: Hoare triple {22053#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~3#1; {22053#false} is VALID [2022-02-20 18:45:43,472 INFO L290 TraceCheckUtils]: 112: Hoare triple {22053#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~3#1 := 0; {22053#false} is VALID [2022-02-20 18:45:43,472 INFO L290 TraceCheckUtils]: 113: Hoare triple {22053#false} ~__return_1905~0 := main_~check__tmp~3#1;main_~main__c1~0#1 := ~__return_1905~0;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; {22053#false} is VALID [2022-02-20 18:45:43,472 INFO L290 TraceCheckUtils]: 114: Hoare triple {22053#false} assume !(0 == main_~assert__arg~3#1 % 256);main_~main____CPAchecker_TMP_0~3#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1;~__tmp_1915_0~0 := main_~main____CPAchecker_TMP_0~3#1; {22053#false} is VALID [2022-02-20 18:45:43,473 INFO L290 TraceCheckUtils]: 115: Hoare triple {22053#false} main_~main____CPAchecker_TMP_0~3#1 := ~__tmp_1915_0~0; {22053#false} is VALID [2022-02-20 18:45:43,473 INFO L290 TraceCheckUtils]: 116: Hoare triple {22053#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~4#1;main_~node1__m1~4#1 := ~nomsg~0; {22053#false} is VALID [2022-02-20 18:45:43,473 INFO L290 TraceCheckUtils]: 117: Hoare triple {22053#false} assume !!(0 == ~mode1~0 % 256); {22053#false} is VALID [2022-02-20 18:45:43,473 INFO L290 TraceCheckUtils]: 118: Hoare triple {22053#false} assume !!(0 == ~alive1~0 % 256); {22053#false} is VALID [2022-02-20 18:45:43,473 INFO L290 TraceCheckUtils]: 119: Hoare triple {22053#false} assume !(~send1~0 != ~id1~0); {22053#false} is VALID [2022-02-20 18:45:43,473 INFO L290 TraceCheckUtils]: 120: Hoare triple {22053#false} ~mode1~0 := 1; {22053#false} is VALID [2022-02-20 18:45:43,473 INFO L290 TraceCheckUtils]: 121: Hoare triple {22053#false} havoc main_~node2__m2~4#1;main_~node2__m2~4#1 := ~nomsg~0; {22053#false} is VALID [2022-02-20 18:45:43,474 INFO L290 TraceCheckUtils]: 122: Hoare triple {22053#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~4#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {22053#false} is VALID [2022-02-20 18:45:43,474 INFO L290 TraceCheckUtils]: 123: Hoare triple {22053#false} assume !(main_~node2__m2~4#1 != ~nomsg~0); {22053#false} is VALID [2022-02-20 18:45:43,474 INFO L290 TraceCheckUtils]: 124: Hoare triple {22053#false} ~mode2~0 := 0; {22053#false} is VALID [2022-02-20 18:45:43,474 INFO L290 TraceCheckUtils]: 125: Hoare triple {22053#false} havoc main_~node3__m3~4#1;main_~node3__m3~4#1 := ~nomsg~0; {22053#false} is VALID [2022-02-20 18:45:43,474 INFO L290 TraceCheckUtils]: 126: Hoare triple {22053#false} assume !!(0 == ~mode3~0 % 256); {22053#false} is VALID [2022-02-20 18:45:43,474 INFO L290 TraceCheckUtils]: 127: Hoare triple {22053#false} assume !!(0 == ~alive3~0 % 256); {22053#false} is VALID [2022-02-20 18:45:43,475 INFO L290 TraceCheckUtils]: 128: Hoare triple {22053#false} assume !(~send3~0 != ~id3~0); {22053#false} is VALID [2022-02-20 18:45:43,475 INFO L290 TraceCheckUtils]: 129: Hoare triple {22053#false} ~mode3~0 := 1; {22053#false} is VALID [2022-02-20 18:45:43,475 INFO L290 TraceCheckUtils]: 130: Hoare triple {22053#false} havoc main_~node4__m4~4#1;main_~node4__m4~4#1 := ~nomsg~0; {22053#false} is VALID [2022-02-20 18:45:43,475 INFO L290 TraceCheckUtils]: 131: Hoare triple {22053#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~4#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {22053#false} is VALID [2022-02-20 18:45:43,475 INFO L290 TraceCheckUtils]: 132: Hoare triple {22053#false} assume !(main_~node4__m4~4#1 != ~nomsg~0); {22053#false} is VALID [2022-02-20 18:45:43,475 INFO L290 TraceCheckUtils]: 133: Hoare triple {22053#false} ~mode4~0 := 0; {22053#false} is VALID [2022-02-20 18:45:43,475 INFO L290 TraceCheckUtils]: 134: Hoare triple {22053#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~4#1; {22053#false} is VALID [2022-02-20 18:45:43,476 INFO L290 TraceCheckUtils]: 135: Hoare triple {22053#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~4#1 := 0; {22053#false} is VALID [2022-02-20 18:45:43,476 INFO L290 TraceCheckUtils]: 136: Hoare triple {22053#false} ~__return_1991~0 := main_~check__tmp~4#1;main_~main__c1~0#1 := ~__return_1991~0;havoc main_~__tmp_5~0#1;main_~__tmp_5~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~4#1;main_~assert__arg~4#1 := main_~__tmp_5~0#1; {22053#false} is VALID [2022-02-20 18:45:43,476 INFO L290 TraceCheckUtils]: 137: Hoare triple {22053#false} assume 0 == main_~assert__arg~4#1 % 256; {22053#false} is VALID [2022-02-20 18:45:43,476 INFO L290 TraceCheckUtils]: 138: Hoare triple {22053#false} assume !false; {22053#false} is VALID [2022-02-20 18:45:43,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:45:43,477 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:45:43,477 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713981428] [2022-02-20 18:45:43,477 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713981428] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:45:43,477 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:45:43,477 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:45:43,478 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208219712] [2022-02-20 18:45:43,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:45:43,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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 139 [2022-02-20 18:45:43,479 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:45:43,480 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:43,568 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 139 edges. 139 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:45:43,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:45:43,568 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:45:43,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:45:43,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:45:43,569 INFO L87 Difference]: Start difference. First operand 1715 states and 2675 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:45,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:45:45,243 INFO L93 Difference]: Finished difference Result 4315 states and 6729 transitions. [2022-02-20 18:45:45,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:45:45,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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 139 [2022-02-20 18:45:45,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:45:45,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:45,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1447 transitions. [2022-02-20 18:45:45,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:45,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1447 transitions. [2022-02-20 18:45:45,255 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 1447 transitions. [2022-02-20 18:45:46,224 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 1447 edges. 1447 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:45:46,504 INFO L225 Difference]: With dead ends: 4315 [2022-02-20 18:45:46,504 INFO L226 Difference]: Without dead ends: 2680 [2022-02-20 18:45:46,506 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:45:46,508 INFO L933 BasicCegarLoop]: 721 mSDtfsCounter, 428 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 1170 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:45:46,508 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [428 Valid, 1170 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:45:46,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2680 states. [2022-02-20 18:45:46,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2680 to 2678. [2022-02-20 18:45:46,609 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:45:46,613 INFO L82 GeneralOperation]: Start isEquivalent. First operand 2680 states. Second operand has 2678 states, 2677 states have (on average 1.5438924168845722) internal successors, (4133), 2677 states have internal predecessors, (4133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:46,616 INFO L74 IsIncluded]: Start isIncluded. First operand 2680 states. Second operand has 2678 states, 2677 states have (on average 1.5438924168845722) internal successors, (4133), 2677 states have internal predecessors, (4133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:46,619 INFO L87 Difference]: Start difference. First operand 2680 states. Second operand has 2678 states, 2677 states have (on average 1.5438924168845722) internal successors, (4133), 2677 states have internal predecessors, (4133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:46,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:45:46,843 INFO L93 Difference]: Finished difference Result 2680 states and 4134 transitions. [2022-02-20 18:45:46,843 INFO L276 IsEmpty]: Start isEmpty. Operand 2680 states and 4134 transitions. [2022-02-20 18:45:46,846 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:45:46,847 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:45:46,851 INFO L74 IsIncluded]: Start isIncluded. First operand has 2678 states, 2677 states have (on average 1.5438924168845722) internal successors, (4133), 2677 states have internal predecessors, (4133), 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 2680 states. [2022-02-20 18:45:46,854 INFO L87 Difference]: Start difference. First operand has 2678 states, 2677 states have (on average 1.5438924168845722) internal successors, (4133), 2677 states have internal predecessors, (4133), 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 2680 states. [2022-02-20 18:45:47,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:45:47,068 INFO L93 Difference]: Finished difference Result 2680 states and 4134 transitions. [2022-02-20 18:45:47,068 INFO L276 IsEmpty]: Start isEmpty. Operand 2680 states and 4134 transitions. [2022-02-20 18:45:47,072 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:45:47,072 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:45:47,072 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:45:47,072 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:45:47,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2678 states, 2677 states have (on average 1.5438924168845722) internal successors, (4133), 2677 states have internal predecessors, (4133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:47,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2678 states to 2678 states and 4133 transitions. [2022-02-20 18:45:47,362 INFO L78 Accepts]: Start accepts. Automaton has 2678 states and 4133 transitions. Word has length 139 [2022-02-20 18:45:47,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:45:47,363 INFO L470 AbstractCegarLoop]: Abstraction has 2678 states and 4133 transitions. [2022-02-20 18:45:47,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:47,363 INFO L276 IsEmpty]: Start isEmpty. Operand 2678 states and 4133 transitions. [2022-02-20 18:45:47,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-02-20 18:45:47,367 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:45:47,367 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:45:47,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 18:45:47,367 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:45:47,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:45:47,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1743940332, now seen corresponding path program 1 times [2022-02-20 18:45:47,368 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:45:47,368 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333497545] [2022-02-20 18:45:47,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:45:47,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:45:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:45:47,450 INFO L290 TraceCheckUtils]: 0: Hoare triple {37009#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(65, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~__return_1566~0 := 0;~__return_1653~0 := 0;~__return_1737~0 := 0;~__return_1821~0 := 0;~__return_1905~0 := 0;~__tmp_1915_0~0 := 0;~__return_1991~0 := 0;~__return_1918~0 := 0; {37009#true} is VALID [2022-02-20 18:45:47,450 INFO L290 TraceCheckUtils]: 1: Hoare triple {37009#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_~main____CPAchecker_TMP_0~4#1, main_~__tmp_5~0#1, main_~assert__arg~4#1, main_~check__tmp~4#1, main_~node4____CPAchecker_TMP_0~0#1, main_~node4____CPAchecker_TMP_1~0#1, main_~node4__m4~4#1, main_~node3____CPAchecker_TMP_0~0#1, main_~node3____CPAchecker_TMP_1~0#1, main_~node3__m3~4#1, main_~node2____CPAchecker_TMP_0~0#1, main_~node2____CPAchecker_TMP_1~0#1, main_~node2__m2~4#1, main_~node1____CPAchecker_TMP_0~0#1, main_~node1____CPAchecker_TMP_1~0#1, main_~node1__m1~4#1, main_~main____CPAchecker_TMP_0~3#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~3#1, main_~node4____CPAchecker_TMP_0~1#1, main_~node4____CPAchecker_TMP_1~1#1, main_~node4__m4~3#1, main_~node3____CPAchecker_TMP_0~1#1, main_~node3____CPAchecker_TMP_1~1#1, main_~node3__m3~3#1, main_~node2____CPAchecker_TMP_0~1#1, main_~node2____CPAchecker_TMP_1~1#1, main_~node2__m2~3#1, main_~node1____CPAchecker_TMP_0~1#1, main_~node1____CPAchecker_TMP_1~1#1, main_~node1__m1~3#1, main_~main____CPAchecker_TMP_0~2#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~2#1, main_~node4____CPAchecker_TMP_0~2#1, main_~node4____CPAchecker_TMP_1~2#1, main_~node4__m4~2#1, main_~node3____CPAchecker_TMP_0~2#1, main_~node3____CPAchecker_TMP_1~2#1, main_~node3__m3~2#1, main_~node2____CPAchecker_TMP_0~2#1, main_~node2____CPAchecker_TMP_1~2#1, main_~node2__m2~2#1, main_~node1____CPAchecker_TMP_0~2#1, main_~node1____CPAchecker_TMP_1~2#1, main_~node1__m1~2#1, main_~main____CPAchecker_TMP_0~1#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~1#1, main_~node4____CPAchecker_TMP_0~3#1, main_~node4____CPAchecker_TMP_1~3#1, main_~node4__m4~1#1, main_~node3____CPAchecker_TMP_0~3#1, main_~node3____CPAchecker_TMP_1~3#1, main_~node3__m3~1#1, main_~node2____CPAchecker_TMP_0~3#1, main_~node2____CPAchecker_TMP_1~3#1, main_~node2__m2~1#1, main_~node1____CPAchecker_TMP_0~3#1, main_~node1____CPAchecker_TMP_1~3#1, main_~node1__m1~1#1, main_~main____CPAchecker_TMP_0~0#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~node4____CPAchecker_TMP_0~4#1, main_~node4____CPAchecker_TMP_1~4#1, main_~node4__m4~0#1, main_~node3____CPAchecker_TMP_0~4#1, main_~node3____CPAchecker_TMP_1~4#1, main_~node3__m3~0#1, main_~node2____CPAchecker_TMP_0~4#1, main_~node2____CPAchecker_TMP_1~4#1, main_~node2__m2~0#1, main_~node1____CPAchecker_TMP_0~4#1, main_~node1____CPAchecker_TMP_1~4#1, main_~node1__m1~0#1, main_~init__tmp~0#1, main_~main__c1~0#1, main_~main__i2~0#1;havoc main_~main__c1~0#1;havoc main_~main__i2~0#1;main_~main__c1~0#1 := 0;assume -128 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 127;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -128 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 127;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -128 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 127;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -128 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 127;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -128 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 127;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -128 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 127;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -128 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 127;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;assume -128 <= main_#t~nondet15#1 && main_#t~nondet15#1 <= 127;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;assume -128 <= main_#t~nondet16#1 && main_#t~nondet16#1 <= 127;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume -128 <= main_#t~nondet17#1 && main_#t~nondet17#1 <= 127;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;assume -128 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 127;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;assume -128 <= main_#t~nondet21#1 && main_#t~nondet21#1 <= 127;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;assume -128 <= main_#t~nondet22#1 && main_#t~nondet22#1 <= 127;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_~init__tmp~0#1; {37009#true} is VALID [2022-02-20 18:45:47,450 INFO L290 TraceCheckUtils]: 2: Hoare triple {37009#true} assume 0 == ~r1~0; {37009#true} is VALID [2022-02-20 18:45:47,451 INFO L290 TraceCheckUtils]: 3: Hoare triple {37009#true} assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; {37009#true} is VALID [2022-02-20 18:45:47,451 INFO L290 TraceCheckUtils]: 4: Hoare triple {37009#true} assume ~id1~0 >= 0; {37009#true} is VALID [2022-02-20 18:45:47,451 INFO L290 TraceCheckUtils]: 5: Hoare triple {37009#true} assume 0 == ~st1~0; {37011#(<= ~st1~0 0)} is VALID [2022-02-20 18:45:47,451 INFO L290 TraceCheckUtils]: 6: Hoare triple {37011#(<= ~st1~0 0)} assume ~send1~0 == ~id1~0; {37011#(<= ~st1~0 0)} is VALID [2022-02-20 18:45:47,452 INFO L290 TraceCheckUtils]: 7: Hoare triple {37011#(<= ~st1~0 0)} assume 0 == ~mode1~0 % 256; {37011#(<= ~st1~0 0)} is VALID [2022-02-20 18:45:47,452 INFO L290 TraceCheckUtils]: 8: Hoare triple {37011#(<= ~st1~0 0)} assume ~id2~0 >= 0; {37011#(<= ~st1~0 0)} is VALID [2022-02-20 18:45:47,453 INFO L290 TraceCheckUtils]: 9: Hoare triple {37011#(<= ~st1~0 0)} assume 0 == ~st2~0; {37012#(<= (+ ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,453 INFO L290 TraceCheckUtils]: 10: Hoare triple {37012#(<= (+ ~st2~0 ~st1~0) 0)} assume ~send2~0 == ~id2~0; {37012#(<= (+ ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,453 INFO L290 TraceCheckUtils]: 11: Hoare triple {37012#(<= (+ ~st2~0 ~st1~0) 0)} assume 0 == ~mode2~0 % 256; {37012#(<= (+ ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,454 INFO L290 TraceCheckUtils]: 12: Hoare triple {37012#(<= (+ ~st2~0 ~st1~0) 0)} assume ~id3~0 >= 0; {37012#(<= (+ ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,454 INFO L290 TraceCheckUtils]: 13: Hoare triple {37012#(<= (+ ~st2~0 ~st1~0) 0)} assume 0 == ~st3~0; {37013#(<= (+ ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,454 INFO L290 TraceCheckUtils]: 14: Hoare triple {37013#(<= (+ ~st3~0 ~st2~0 ~st1~0) 0)} assume ~send3~0 == ~id3~0; {37013#(<= (+ ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,455 INFO L290 TraceCheckUtils]: 15: Hoare triple {37013#(<= (+ ~st3~0 ~st2~0 ~st1~0) 0)} assume 0 == ~mode3~0 % 256; {37013#(<= (+ ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,455 INFO L290 TraceCheckUtils]: 16: Hoare triple {37013#(<= (+ ~st3~0 ~st2~0 ~st1~0) 0)} assume ~id4~0 >= 0; {37013#(<= (+ ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,456 INFO L290 TraceCheckUtils]: 17: Hoare triple {37013#(<= (+ ~st3~0 ~st2~0 ~st1~0) 0)} assume 0 == ~st4~0; {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,456 INFO L290 TraceCheckUtils]: 18: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} assume ~send4~0 == ~id4~0; {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,456 INFO L290 TraceCheckUtils]: 19: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} assume 0 == ~mode4~0 % 256; {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,457 INFO L290 TraceCheckUtils]: 20: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} assume ~id1~0 != ~id2~0; {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,457 INFO L290 TraceCheckUtils]: 21: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} assume ~id1~0 != ~id3~0; {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,458 INFO L290 TraceCheckUtils]: 22: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} assume ~id1~0 != ~id4~0; {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,466 INFO L290 TraceCheckUtils]: 23: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} assume ~id2~0 != ~id3~0; {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,466 INFO L290 TraceCheckUtils]: 24: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} assume ~id2~0 != ~id4~0; {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,467 INFO L290 TraceCheckUtils]: 25: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} assume ~id3~0 != ~id4~0;main_~init__tmp~0#1 := 1; {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,467 INFO L290 TraceCheckUtils]: 26: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} ~__return_1566~0 := main_~init__tmp~0#1;main_~main__i2~0#1 := ~__return_1566~0; {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,468 INFO L290 TraceCheckUtils]: 27: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} assume 0 != main_~main__i2~0#1;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~main__i2~0#1 := 0; {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,468 INFO L290 TraceCheckUtils]: 28: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~0#1;main_~node1__m1~0#1 := ~nomsg~0; {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,469 INFO L290 TraceCheckUtils]: 29: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} assume !!(0 == ~mode1~0 % 256); {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,469 INFO L290 TraceCheckUtils]: 30: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} assume !!(0 == ~alive1~0 % 256); {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,469 INFO L290 TraceCheckUtils]: 31: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} assume !(~send1~0 != ~id1~0); {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,470 INFO L290 TraceCheckUtils]: 32: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} ~mode1~0 := 1; {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,470 INFO L290 TraceCheckUtils]: 33: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} havoc main_~node2__m2~0#1;main_~node2__m2~0#1 := ~nomsg~0; {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,471 INFO L290 TraceCheckUtils]: 34: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} assume !!(0 == ~mode2~0 % 256); {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,471 INFO L290 TraceCheckUtils]: 35: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} assume !!(0 == ~alive2~0 % 256); {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,471 INFO L290 TraceCheckUtils]: 36: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} assume !(~send2~0 != ~id2~0); {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,472 INFO L290 TraceCheckUtils]: 37: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} ~mode2~0 := 1; {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,472 INFO L290 TraceCheckUtils]: 38: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} havoc main_~node3__m3~0#1;main_~node3__m3~0#1 := ~nomsg~0; {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,473 INFO L290 TraceCheckUtils]: 39: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} assume !!(0 == ~mode3~0 % 256); {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,473 INFO L290 TraceCheckUtils]: 40: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} assume !!(0 == ~alive3~0 % 256); {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,473 INFO L290 TraceCheckUtils]: 41: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} assume !(~send3~0 != ~id3~0); {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,474 INFO L290 TraceCheckUtils]: 42: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} ~mode3~0 := 1; {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,474 INFO L290 TraceCheckUtils]: 43: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} havoc main_~node4__m4~0#1;main_~node4__m4~0#1 := ~nomsg~0; {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,474 INFO L290 TraceCheckUtils]: 44: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} assume !!(0 == ~mode4~0 % 256); {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,475 INFO L290 TraceCheckUtils]: 45: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} assume !!(0 == ~alive4~0 % 256); {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,475 INFO L290 TraceCheckUtils]: 46: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} assume !(~send4~0 != ~id4~0); {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,476 INFO L290 TraceCheckUtils]: 47: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} ~mode4~0 := 1; {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,476 INFO L290 TraceCheckUtils]: 48: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~0#1; {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} is VALID [2022-02-20 18:45:47,477 INFO L290 TraceCheckUtils]: 49: Hoare triple {37014#(<= (+ ~st4~0 ~st3~0 ~st2~0 ~st1~0) 0)} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~0#1 := 0; {37010#false} is VALID [2022-02-20 18:45:47,477 INFO L290 TraceCheckUtils]: 50: Hoare triple {37010#false} ~__return_1653~0 := main_~check__tmp~0#1;main_~main__c1~0#1 := ~__return_1653~0;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; {37010#false} is VALID [2022-02-20 18:45:47,477 INFO L290 TraceCheckUtils]: 51: Hoare triple {37010#false} assume !(0 == main_~assert__arg~0#1 % 256);main_~main____CPAchecker_TMP_0~0#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1; {37010#false} is VALID [2022-02-20 18:45:47,477 INFO L290 TraceCheckUtils]: 52: Hoare triple {37010#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~1#1;main_~node1__m1~1#1 := ~nomsg~0; {37010#false} is VALID [2022-02-20 18:45:47,477 INFO L290 TraceCheckUtils]: 53: Hoare triple {37010#false} assume !(0 == ~mode1~0 % 256);~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);main_~node1__m1~1#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {37010#false} is VALID [2022-02-20 18:45:47,477 INFO L290 TraceCheckUtils]: 54: Hoare triple {37010#false} assume !(main_~node1__m1~1#1 != ~nomsg~0); {37010#false} is VALID [2022-02-20 18:45:47,478 INFO L290 TraceCheckUtils]: 55: Hoare triple {37010#false} ~mode1~0 := 0; {37010#false} is VALID [2022-02-20 18:45:47,478 INFO L290 TraceCheckUtils]: 56: Hoare triple {37010#false} havoc main_~node2__m2~1#1;main_~node2__m2~1#1 := ~nomsg~0; {37010#false} is VALID [2022-02-20 18:45:47,478 INFO L290 TraceCheckUtils]: 57: Hoare triple {37010#false} assume !!(0 == ~mode2~0 % 256); {37010#false} is VALID [2022-02-20 18:45:47,478 INFO L290 TraceCheckUtils]: 58: Hoare triple {37010#false} assume !!(0 == ~alive2~0 % 256); {37010#false} is VALID [2022-02-20 18:45:47,478 INFO L290 TraceCheckUtils]: 59: Hoare triple {37010#false} assume !(~send2~0 != ~id2~0); {37010#false} is VALID [2022-02-20 18:45:47,478 INFO L290 TraceCheckUtils]: 60: Hoare triple {37010#false} ~mode2~0 := 1; {37010#false} is VALID [2022-02-20 18:45:47,478 INFO L290 TraceCheckUtils]: 61: Hoare triple {37010#false} havoc main_~node3__m3~1#1;main_~node3__m3~1#1 := ~nomsg~0; {37010#false} is VALID [2022-02-20 18:45:47,479 INFO L290 TraceCheckUtils]: 62: Hoare triple {37010#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~1#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {37010#false} is VALID [2022-02-20 18:45:47,479 INFO L290 TraceCheckUtils]: 63: Hoare triple {37010#false} assume !(main_~node3__m3~1#1 != ~nomsg~0); {37010#false} is VALID [2022-02-20 18:45:47,479 INFO L290 TraceCheckUtils]: 64: Hoare triple {37010#false} ~mode3~0 := 0; {37010#false} is VALID [2022-02-20 18:45:47,479 INFO L290 TraceCheckUtils]: 65: Hoare triple {37010#false} havoc main_~node4__m4~1#1;main_~node4__m4~1#1 := ~nomsg~0; {37010#false} is VALID [2022-02-20 18:45:47,479 INFO L290 TraceCheckUtils]: 66: Hoare triple {37010#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~1#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {37010#false} is VALID [2022-02-20 18:45:47,479 INFO L290 TraceCheckUtils]: 67: Hoare triple {37010#false} assume !(main_~node4__m4~1#1 != ~nomsg~0); {37010#false} is VALID [2022-02-20 18:45:47,479 INFO L290 TraceCheckUtils]: 68: Hoare triple {37010#false} ~mode4~0 := 0; {37010#false} is VALID [2022-02-20 18:45:47,480 INFO L290 TraceCheckUtils]: 69: Hoare triple {37010#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~1#1; {37010#false} is VALID [2022-02-20 18:45:47,480 INFO L290 TraceCheckUtils]: 70: Hoare triple {37010#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~1#1 := 0; {37010#false} is VALID [2022-02-20 18:45:47,480 INFO L290 TraceCheckUtils]: 71: Hoare triple {37010#false} ~__return_1737~0 := main_~check__tmp~1#1;main_~main__c1~0#1 := ~__return_1737~0;havoc main_~__tmp_2~0#1;main_~__tmp_2~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~1#1;main_~assert__arg~1#1 := main_~__tmp_2~0#1; {37010#false} is VALID [2022-02-20 18:45:47,480 INFO L290 TraceCheckUtils]: 72: Hoare triple {37010#false} assume !(0 == main_~assert__arg~1#1 % 256);main_~main____CPAchecker_TMP_0~1#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1; {37010#false} is VALID [2022-02-20 18:45:47,480 INFO L290 TraceCheckUtils]: 73: Hoare triple {37010#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~2#1;main_~node1__m1~2#1 := ~nomsg~0; {37010#false} is VALID [2022-02-20 18:45:47,480 INFO L290 TraceCheckUtils]: 74: Hoare triple {37010#false} assume !!(0 == ~mode1~0 % 256); {37010#false} is VALID [2022-02-20 18:45:47,481 INFO L290 TraceCheckUtils]: 75: Hoare triple {37010#false} assume !!(0 == ~alive1~0 % 256); {37010#false} is VALID [2022-02-20 18:45:47,481 INFO L290 TraceCheckUtils]: 76: Hoare triple {37010#false} assume !(~send1~0 != ~id1~0); {37010#false} is VALID [2022-02-20 18:45:47,481 INFO L290 TraceCheckUtils]: 77: Hoare triple {37010#false} ~mode1~0 := 1; {37010#false} is VALID [2022-02-20 18:45:47,481 INFO L290 TraceCheckUtils]: 78: Hoare triple {37010#false} havoc main_~node2__m2~2#1;main_~node2__m2~2#1 := ~nomsg~0; {37010#false} is VALID [2022-02-20 18:45:47,481 INFO L290 TraceCheckUtils]: 79: Hoare triple {37010#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~2#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {37010#false} is VALID [2022-02-20 18:45:47,481 INFO L290 TraceCheckUtils]: 80: Hoare triple {37010#false} assume !(main_~node2__m2~2#1 != ~nomsg~0); {37010#false} is VALID [2022-02-20 18:45:47,481 INFO L290 TraceCheckUtils]: 81: Hoare triple {37010#false} ~mode2~0 := 0; {37010#false} is VALID [2022-02-20 18:45:47,482 INFO L290 TraceCheckUtils]: 82: Hoare triple {37010#false} havoc main_~node3__m3~2#1;main_~node3__m3~2#1 := ~nomsg~0; {37010#false} is VALID [2022-02-20 18:45:47,482 INFO L290 TraceCheckUtils]: 83: Hoare triple {37010#false} assume !!(0 == ~mode3~0 % 256); {37010#false} is VALID [2022-02-20 18:45:47,482 INFO L290 TraceCheckUtils]: 84: Hoare triple {37010#false} assume !!(0 == ~alive3~0 % 256); {37010#false} is VALID [2022-02-20 18:45:47,482 INFO L290 TraceCheckUtils]: 85: Hoare triple {37010#false} assume !(~send3~0 != ~id3~0); {37010#false} is VALID [2022-02-20 18:45:47,482 INFO L290 TraceCheckUtils]: 86: Hoare triple {37010#false} ~mode3~0 := 1; {37010#false} is VALID [2022-02-20 18:45:47,482 INFO L290 TraceCheckUtils]: 87: Hoare triple {37010#false} havoc main_~node4__m4~2#1;main_~node4__m4~2#1 := ~nomsg~0; {37010#false} is VALID [2022-02-20 18:45:47,483 INFO L290 TraceCheckUtils]: 88: Hoare triple {37010#false} assume !!(0 == ~mode4~0 % 256); {37010#false} is VALID [2022-02-20 18:45:47,483 INFO L290 TraceCheckUtils]: 89: Hoare triple {37010#false} assume !!(0 == ~alive4~0 % 256); {37010#false} is VALID [2022-02-20 18:45:47,483 INFO L290 TraceCheckUtils]: 90: Hoare triple {37010#false} assume !(~send4~0 != ~id4~0); {37010#false} is VALID [2022-02-20 18:45:47,483 INFO L290 TraceCheckUtils]: 91: Hoare triple {37010#false} ~mode4~0 := 1; {37010#false} is VALID [2022-02-20 18:45:47,483 INFO L290 TraceCheckUtils]: 92: Hoare triple {37010#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~2#1; {37010#false} is VALID [2022-02-20 18:45:47,483 INFO L290 TraceCheckUtils]: 93: Hoare triple {37010#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~2#1 := 0; {37010#false} is VALID [2022-02-20 18:45:47,483 INFO L290 TraceCheckUtils]: 94: Hoare triple {37010#false} ~__return_1821~0 := main_~check__tmp~2#1;main_~main__c1~0#1 := ~__return_1821~0;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; {37010#false} is VALID [2022-02-20 18:45:47,484 INFO L290 TraceCheckUtils]: 95: Hoare triple {37010#false} assume !(0 == main_~assert__arg~2#1 % 256);main_~main____CPAchecker_TMP_0~2#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1; {37010#false} is VALID [2022-02-20 18:45:47,484 INFO L290 TraceCheckUtils]: 96: Hoare triple {37010#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~3#1;main_~node1__m1~3#1 := ~nomsg~0; {37010#false} is VALID [2022-02-20 18:45:47,484 INFO L290 TraceCheckUtils]: 97: Hoare triple {37010#false} assume !(0 == ~mode1~0 % 256);~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);main_~node1__m1~3#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {37010#false} is VALID [2022-02-20 18:45:47,484 INFO L290 TraceCheckUtils]: 98: Hoare triple {37010#false} assume !(main_~node1__m1~3#1 != ~nomsg~0); {37010#false} is VALID [2022-02-20 18:45:47,484 INFO L290 TraceCheckUtils]: 99: Hoare triple {37010#false} ~mode1~0 := 0; {37010#false} is VALID [2022-02-20 18:45:47,484 INFO L290 TraceCheckUtils]: 100: Hoare triple {37010#false} havoc main_~node2__m2~3#1;main_~node2__m2~3#1 := ~nomsg~0; {37010#false} is VALID [2022-02-20 18:45:47,485 INFO L290 TraceCheckUtils]: 101: Hoare triple {37010#false} assume !!(0 == ~mode2~0 % 256); {37010#false} is VALID [2022-02-20 18:45:47,499 INFO L290 TraceCheckUtils]: 102: Hoare triple {37010#false} assume !!(0 == ~alive2~0 % 256); {37010#false} is VALID [2022-02-20 18:45:47,499 INFO L290 TraceCheckUtils]: 103: Hoare triple {37010#false} assume !(~send2~0 != ~id2~0); {37010#false} is VALID [2022-02-20 18:45:47,499 INFO L290 TraceCheckUtils]: 104: Hoare triple {37010#false} ~mode2~0 := 1; {37010#false} is VALID [2022-02-20 18:45:47,499 INFO L290 TraceCheckUtils]: 105: Hoare triple {37010#false} havoc main_~node3__m3~3#1;main_~node3__m3~3#1 := ~nomsg~0; {37010#false} is VALID [2022-02-20 18:45:47,499 INFO L290 TraceCheckUtils]: 106: Hoare triple {37010#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~3#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {37010#false} is VALID [2022-02-20 18:45:47,499 INFO L290 TraceCheckUtils]: 107: Hoare triple {37010#false} assume !(main_~node3__m3~3#1 != ~nomsg~0); {37010#false} is VALID [2022-02-20 18:45:47,500 INFO L290 TraceCheckUtils]: 108: Hoare triple {37010#false} ~mode3~0 := 0; {37010#false} is VALID [2022-02-20 18:45:47,500 INFO L290 TraceCheckUtils]: 109: Hoare triple {37010#false} havoc main_~node4__m4~3#1;main_~node4__m4~3#1 := ~nomsg~0; {37010#false} is VALID [2022-02-20 18:45:47,500 INFO L290 TraceCheckUtils]: 110: Hoare triple {37010#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~3#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {37010#false} is VALID [2022-02-20 18:45:47,500 INFO L290 TraceCheckUtils]: 111: Hoare triple {37010#false} assume !(main_~node4__m4~3#1 != ~nomsg~0); {37010#false} is VALID [2022-02-20 18:45:47,500 INFO L290 TraceCheckUtils]: 112: Hoare triple {37010#false} ~mode4~0 := 0; {37010#false} is VALID [2022-02-20 18:45:47,500 INFO L290 TraceCheckUtils]: 113: Hoare triple {37010#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~3#1; {37010#false} is VALID [2022-02-20 18:45:47,500 INFO L290 TraceCheckUtils]: 114: Hoare triple {37010#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~3#1 := 0; {37010#false} is VALID [2022-02-20 18:45:47,501 INFO L290 TraceCheckUtils]: 115: Hoare triple {37010#false} ~__return_1905~0 := main_~check__tmp~3#1;main_~main__c1~0#1 := ~__return_1905~0;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; {37010#false} is VALID [2022-02-20 18:45:47,501 INFO L290 TraceCheckUtils]: 116: Hoare triple {37010#false} assume !(0 == main_~assert__arg~3#1 % 256);main_~main____CPAchecker_TMP_0~3#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1;~__tmp_1915_0~0 := main_~main____CPAchecker_TMP_0~3#1; {37010#false} is VALID [2022-02-20 18:45:47,501 INFO L290 TraceCheckUtils]: 117: Hoare triple {37010#false} main_~main____CPAchecker_TMP_0~3#1 := ~__tmp_1915_0~0; {37010#false} is VALID [2022-02-20 18:45:47,501 INFO L290 TraceCheckUtils]: 118: Hoare triple {37010#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~4#1;main_~node1__m1~4#1 := ~nomsg~0; {37010#false} is VALID [2022-02-20 18:45:47,501 INFO L290 TraceCheckUtils]: 119: Hoare triple {37010#false} assume !!(0 == ~mode1~0 % 256); {37010#false} is VALID [2022-02-20 18:45:47,501 INFO L290 TraceCheckUtils]: 120: Hoare triple {37010#false} assume !!(0 == ~alive1~0 % 256); {37010#false} is VALID [2022-02-20 18:45:47,501 INFO L290 TraceCheckUtils]: 121: Hoare triple {37010#false} assume !(~send1~0 != ~id1~0); {37010#false} is VALID [2022-02-20 18:45:47,502 INFO L290 TraceCheckUtils]: 122: Hoare triple {37010#false} ~mode1~0 := 1; {37010#false} is VALID [2022-02-20 18:45:47,502 INFO L290 TraceCheckUtils]: 123: Hoare triple {37010#false} havoc main_~node2__m2~4#1;main_~node2__m2~4#1 := ~nomsg~0; {37010#false} is VALID [2022-02-20 18:45:47,502 INFO L290 TraceCheckUtils]: 124: Hoare triple {37010#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~4#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {37010#false} is VALID [2022-02-20 18:45:47,502 INFO L290 TraceCheckUtils]: 125: Hoare triple {37010#false} assume !(main_~node2__m2~4#1 != ~nomsg~0); {37010#false} is VALID [2022-02-20 18:45:47,502 INFO L290 TraceCheckUtils]: 126: Hoare triple {37010#false} ~mode2~0 := 0; {37010#false} is VALID [2022-02-20 18:45:47,502 INFO L290 TraceCheckUtils]: 127: Hoare triple {37010#false} havoc main_~node3__m3~4#1;main_~node3__m3~4#1 := ~nomsg~0; {37010#false} is VALID [2022-02-20 18:45:47,502 INFO L290 TraceCheckUtils]: 128: Hoare triple {37010#false} assume !!(0 == ~mode3~0 % 256); {37010#false} is VALID [2022-02-20 18:45:47,503 INFO L290 TraceCheckUtils]: 129: Hoare triple {37010#false} assume !!(0 == ~alive3~0 % 256); {37010#false} is VALID [2022-02-20 18:45:47,503 INFO L290 TraceCheckUtils]: 130: Hoare triple {37010#false} assume !(~send3~0 != ~id3~0); {37010#false} is VALID [2022-02-20 18:45:47,503 INFO L290 TraceCheckUtils]: 131: Hoare triple {37010#false} ~mode3~0 := 1; {37010#false} is VALID [2022-02-20 18:45:47,503 INFO L290 TraceCheckUtils]: 132: Hoare triple {37010#false} havoc main_~node4__m4~4#1;main_~node4__m4~4#1 := ~nomsg~0; {37010#false} is VALID [2022-02-20 18:45:47,503 INFO L290 TraceCheckUtils]: 133: Hoare triple {37010#false} assume !!(0 == ~mode4~0 % 256); {37010#false} is VALID [2022-02-20 18:45:47,503 INFO L290 TraceCheckUtils]: 134: Hoare triple {37010#false} assume !!(0 == ~alive4~0 % 256); {37010#false} is VALID [2022-02-20 18:45:47,504 INFO L290 TraceCheckUtils]: 135: Hoare triple {37010#false} assume !(~send4~0 != ~id4~0); {37010#false} is VALID [2022-02-20 18:45:47,504 INFO L290 TraceCheckUtils]: 136: Hoare triple {37010#false} ~mode4~0 := 1; {37010#false} is VALID [2022-02-20 18:45:47,504 INFO L290 TraceCheckUtils]: 137: Hoare triple {37010#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~4#1; {37010#false} is VALID [2022-02-20 18:45:47,504 INFO L290 TraceCheckUtils]: 138: Hoare triple {37010#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~4#1 := 0; {37010#false} is VALID [2022-02-20 18:45:47,504 INFO L290 TraceCheckUtils]: 139: Hoare triple {37010#false} ~__return_1991~0 := main_~check__tmp~4#1;main_~main__c1~0#1 := ~__return_1991~0;havoc main_~__tmp_5~0#1;main_~__tmp_5~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~4#1;main_~assert__arg~4#1 := main_~__tmp_5~0#1; {37010#false} is VALID [2022-02-20 18:45:47,504 INFO L290 TraceCheckUtils]: 140: Hoare triple {37010#false} assume 0 == main_~assert__arg~4#1 % 256; {37010#false} is VALID [2022-02-20 18:45:47,504 INFO L290 TraceCheckUtils]: 141: Hoare triple {37010#false} assume !false; {37010#false} is VALID [2022-02-20 18:45:47,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:45:47,505 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:45:47,506 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333497545] [2022-02-20 18:45:47,506 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333497545] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:45:47,506 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:45:47,506 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 18:45:47,506 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686628133] [2022-02-20 18:45:47,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:45:47,507 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 6 states have internal predecessors, (142), 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 142 [2022-02-20 18:45:47,507 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:45:47,507 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 6 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:45:47,605 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 142 edges. 142 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:45:47,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 18:45:47,606 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:45:47,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 18:45:47,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-20 18:45:47,606 INFO L87 Difference]: Start difference. First operand 2678 states and 4133 transitions. Second operand has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 6 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:46:02,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:46:02,504 INFO L93 Difference]: Finished difference Result 14017 states and 21619 transitions. [2022-02-20 18:46:02,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 18:46:02,504 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 6 states have internal predecessors, (142), 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 142 [2022-02-20 18:46:02,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:46:02,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 6 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:46:02,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2811 transitions. [2022-02-20 18:46:02,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 6 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:46:02,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2811 transitions. [2022-02-20 18:46:02,531 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 2811 transitions. [2022-02-20 18:46:04,303 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 2811 edges. 2811 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:46:09,465 INFO L225 Difference]: With dead ends: 14017 [2022-02-20 18:46:09,465 INFO L226 Difference]: Without dead ends: 11423 [2022-02-20 18:46:09,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-02-20 18:46:09,471 INFO L933 BasicCegarLoop]: 777 mSDtfsCounter, 3458 mSDsluCounter, 2567 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3458 SdHoareTripleChecker+Valid, 3344 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 18:46:09,472 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3458 Valid, 3344 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 18:46:09,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11423 states. [2022-02-20 18:46:12,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11423 to 5188. [2022-02-20 18:46:12,774 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:46:12,782 INFO L82 GeneralOperation]: Start isEquivalent. First operand 11423 states. Second operand has 5188 states, 5187 states have (on average 1.5211104684788894) internal successors, (7890), 5187 states have internal predecessors, (7890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:46:12,790 INFO L74 IsIncluded]: Start isIncluded. First operand 11423 states. Second operand has 5188 states, 5187 states have (on average 1.5211104684788894) internal successors, (7890), 5187 states have internal predecessors, (7890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:46:12,797 INFO L87 Difference]: Start difference. First operand 11423 states. Second operand has 5188 states, 5187 states have (on average 1.5211104684788894) internal successors, (7890), 5187 states have internal predecessors, (7890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:46:16,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:46:16,366 INFO L93 Difference]: Finished difference Result 11423 states and 17467 transitions. [2022-02-20 18:46:16,366 INFO L276 IsEmpty]: Start isEmpty. Operand 11423 states and 17467 transitions. [2022-02-20 18:46:16,376 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:46:16,377 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:46:16,383 INFO L74 IsIncluded]: Start isIncluded. First operand has 5188 states, 5187 states have (on average 1.5211104684788894) internal successors, (7890), 5187 states have internal predecessors, (7890), 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 11423 states. [2022-02-20 18:46:16,392 INFO L87 Difference]: Start difference. First operand has 5188 states, 5187 states have (on average 1.5211104684788894) internal successors, (7890), 5187 states have internal predecessors, (7890), 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 11423 states. [2022-02-20 18:46:20,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:46:20,036 INFO L93 Difference]: Finished difference Result 11423 states and 17467 transitions. [2022-02-20 18:46:20,036 INFO L276 IsEmpty]: Start isEmpty. Operand 11423 states and 17467 transitions. [2022-02-20 18:46:20,047 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:46:20,047 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:46:20,047 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:46:20,047 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:46:20,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5188 states, 5187 states have (on average 1.5211104684788894) internal successors, (7890), 5187 states have internal predecessors, (7890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:46:21,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5188 states to 5188 states and 7890 transitions. [2022-02-20 18:46:21,179 INFO L78 Accepts]: Start accepts. Automaton has 5188 states and 7890 transitions. Word has length 142 [2022-02-20 18:46:21,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:46:21,179 INFO L470 AbstractCegarLoop]: Abstraction has 5188 states and 7890 transitions. [2022-02-20 18:46:21,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 6 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:46:21,180 INFO L276 IsEmpty]: Start isEmpty. Operand 5188 states and 7890 transitions. [2022-02-20 18:46:21,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-02-20 18:46:21,185 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:46:21,185 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:46:21,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-20 18:46:21,186 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:46:21,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:46:21,186 INFO L85 PathProgramCache]: Analyzing trace with hash -444562950, now seen corresponding path program 1 times [2022-02-20 18:46:21,187 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:46:21,187 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293056019] [2022-02-20 18:46:21,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:46:21,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:46:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:46:21,268 INFO L290 TraceCheckUtils]: 0: Hoare triple {86309#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(65, 2);call #Ultimate.allocInit(12, 3);~__return_main~0 := 0;~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~__return_1566~0 := 0;~__return_1653~0 := 0;~__return_1737~0 := 0;~__return_1821~0 := 0;~__return_1905~0 := 0;~__tmp_1915_0~0 := 0;~__return_1991~0 := 0;~__return_1918~0 := 0; {86309#true} is VALID [2022-02-20 18:46:21,269 INFO L290 TraceCheckUtils]: 1: Hoare triple {86309#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_~main____CPAchecker_TMP_0~4#1, main_~__tmp_5~0#1, main_~assert__arg~4#1, main_~check__tmp~4#1, main_~node4____CPAchecker_TMP_0~0#1, main_~node4____CPAchecker_TMP_1~0#1, main_~node4__m4~4#1, main_~node3____CPAchecker_TMP_0~0#1, main_~node3____CPAchecker_TMP_1~0#1, main_~node3__m3~4#1, main_~node2____CPAchecker_TMP_0~0#1, main_~node2____CPAchecker_TMP_1~0#1, main_~node2__m2~4#1, main_~node1____CPAchecker_TMP_0~0#1, main_~node1____CPAchecker_TMP_1~0#1, main_~node1__m1~4#1, main_~main____CPAchecker_TMP_0~3#1, main_~__tmp_4~0#1, main_~assert__arg~3#1, main_~check__tmp~3#1, main_~node4____CPAchecker_TMP_0~1#1, main_~node4____CPAchecker_TMP_1~1#1, main_~node4__m4~3#1, main_~node3____CPAchecker_TMP_0~1#1, main_~node3____CPAchecker_TMP_1~1#1, main_~node3__m3~3#1, main_~node2____CPAchecker_TMP_0~1#1, main_~node2____CPAchecker_TMP_1~1#1, main_~node2__m2~3#1, main_~node1____CPAchecker_TMP_0~1#1, main_~node1____CPAchecker_TMP_1~1#1, main_~node1__m1~3#1, main_~main____CPAchecker_TMP_0~2#1, main_~__tmp_3~0#1, main_~assert__arg~2#1, main_~check__tmp~2#1, main_~node4____CPAchecker_TMP_0~2#1, main_~node4____CPAchecker_TMP_1~2#1, main_~node4__m4~2#1, main_~node3____CPAchecker_TMP_0~2#1, main_~node3____CPAchecker_TMP_1~2#1, main_~node3__m3~2#1, main_~node2____CPAchecker_TMP_0~2#1, main_~node2____CPAchecker_TMP_1~2#1, main_~node2__m2~2#1, main_~node1____CPAchecker_TMP_0~2#1, main_~node1____CPAchecker_TMP_1~2#1, main_~node1__m1~2#1, main_~main____CPAchecker_TMP_0~1#1, main_~__tmp_2~0#1, main_~assert__arg~1#1, main_~check__tmp~1#1, main_~node4____CPAchecker_TMP_0~3#1, main_~node4____CPAchecker_TMP_1~3#1, main_~node4__m4~1#1, main_~node3____CPAchecker_TMP_0~3#1, main_~node3____CPAchecker_TMP_1~3#1, main_~node3__m3~1#1, main_~node2____CPAchecker_TMP_0~3#1, main_~node2____CPAchecker_TMP_1~3#1, main_~node2__m2~1#1, main_~node1____CPAchecker_TMP_0~3#1, main_~node1____CPAchecker_TMP_1~3#1, main_~node1__m1~1#1, main_~main____CPAchecker_TMP_0~0#1, main_~__tmp_1~0#1, main_~assert__arg~0#1, main_~check__tmp~0#1, main_~node4____CPAchecker_TMP_0~4#1, main_~node4____CPAchecker_TMP_1~4#1, main_~node4__m4~0#1, main_~node3____CPAchecker_TMP_0~4#1, main_~node3____CPAchecker_TMP_1~4#1, main_~node3__m3~0#1, main_~node2____CPAchecker_TMP_0~4#1, main_~node2____CPAchecker_TMP_1~4#1, main_~node2__m2~0#1, main_~node1____CPAchecker_TMP_0~4#1, main_~node1____CPAchecker_TMP_1~4#1, main_~node1__m1~0#1, main_~init__tmp~0#1, main_~main__c1~0#1, main_~main__i2~0#1;havoc main_~main__c1~0#1;havoc main_~main__i2~0#1;main_~main__c1~0#1 := 0;assume -128 <= main_#t~nondet4#1 && main_#t~nondet4#1 <= 127;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;assume -128 <= main_#t~nondet5#1 && main_#t~nondet5#1 <= 127;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;assume -128 <= main_#t~nondet6#1 && main_#t~nondet6#1 <= 127;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume -128 <= main_#t~nondet7#1 && main_#t~nondet7#1 <= 127;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume -128 <= main_#t~nondet10#1 && main_#t~nondet10#1 <= 127;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;assume -128 <= main_#t~nondet11#1 && main_#t~nondet11#1 <= 127;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;assume -128 <= main_#t~nondet12#1 && main_#t~nondet12#1 <= 127;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;assume -128 <= main_#t~nondet15#1 && main_#t~nondet15#1 <= 127;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;assume -128 <= main_#t~nondet16#1 && main_#t~nondet16#1 <= 127;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume -128 <= main_#t~nondet17#1 && main_#t~nondet17#1 <= 127;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;assume -128 <= main_#t~nondet20#1 && main_#t~nondet20#1 <= 127;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;assume -128 <= main_#t~nondet21#1 && main_#t~nondet21#1 <= 127;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;assume -128 <= main_#t~nondet22#1 && main_#t~nondet22#1 <= 127;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_~init__tmp~0#1; {86309#true} is VALID [2022-02-20 18:46:21,269 INFO L290 TraceCheckUtils]: 2: Hoare triple {86309#true} assume 0 == ~r1~0; {86309#true} is VALID [2022-02-20 18:46:21,269 INFO L290 TraceCheckUtils]: 3: Hoare triple {86309#true} assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 >= 1; {86309#true} is VALID [2022-02-20 18:46:21,269 INFO L290 TraceCheckUtils]: 4: Hoare triple {86309#true} assume ~id1~0 >= 0; {86309#true} is VALID [2022-02-20 18:46:21,269 INFO L290 TraceCheckUtils]: 5: Hoare triple {86309#true} assume 0 == ~st1~0; {86309#true} is VALID [2022-02-20 18:46:21,270 INFO L290 TraceCheckUtils]: 6: Hoare triple {86309#true} assume ~send1~0 == ~id1~0; {86309#true} is VALID [2022-02-20 18:46:21,270 INFO L290 TraceCheckUtils]: 7: Hoare triple {86309#true} assume 0 == ~mode1~0 % 256; {86309#true} is VALID [2022-02-20 18:46:21,270 INFO L290 TraceCheckUtils]: 8: Hoare triple {86309#true} assume ~id2~0 >= 0; {86309#true} is VALID [2022-02-20 18:46:21,270 INFO L290 TraceCheckUtils]: 9: Hoare triple {86309#true} assume 0 == ~st2~0; {86309#true} is VALID [2022-02-20 18:46:21,270 INFO L290 TraceCheckUtils]: 10: Hoare triple {86309#true} assume ~send2~0 == ~id2~0; {86309#true} is VALID [2022-02-20 18:46:21,270 INFO L290 TraceCheckUtils]: 11: Hoare triple {86309#true} assume 0 == ~mode2~0 % 256; {86309#true} is VALID [2022-02-20 18:46:21,271 INFO L290 TraceCheckUtils]: 12: Hoare triple {86309#true} assume ~id3~0 >= 0; {86309#true} is VALID [2022-02-20 18:46:21,271 INFO L290 TraceCheckUtils]: 13: Hoare triple {86309#true} assume 0 == ~st3~0; {86309#true} is VALID [2022-02-20 18:46:21,271 INFO L290 TraceCheckUtils]: 14: Hoare triple {86309#true} assume ~send3~0 == ~id3~0; {86309#true} is VALID [2022-02-20 18:46:21,271 INFO L290 TraceCheckUtils]: 15: Hoare triple {86309#true} assume 0 == ~mode3~0 % 256; {86309#true} is VALID [2022-02-20 18:46:21,271 INFO L290 TraceCheckUtils]: 16: Hoare triple {86309#true} assume ~id4~0 >= 0; {86309#true} is VALID [2022-02-20 18:46:21,271 INFO L290 TraceCheckUtils]: 17: Hoare triple {86309#true} assume 0 == ~st4~0; {86309#true} is VALID [2022-02-20 18:46:21,271 INFO L290 TraceCheckUtils]: 18: Hoare triple {86309#true} assume ~send4~0 == ~id4~0; {86309#true} is VALID [2022-02-20 18:46:21,272 INFO L290 TraceCheckUtils]: 19: Hoare triple {86309#true} assume 0 == ~mode4~0 % 256; {86309#true} is VALID [2022-02-20 18:46:21,272 INFO L290 TraceCheckUtils]: 20: Hoare triple {86309#true} assume ~id1~0 != ~id2~0; {86309#true} is VALID [2022-02-20 18:46:21,272 INFO L290 TraceCheckUtils]: 21: Hoare triple {86309#true} assume ~id1~0 != ~id3~0; {86309#true} is VALID [2022-02-20 18:46:21,272 INFO L290 TraceCheckUtils]: 22: Hoare triple {86309#true} assume ~id1~0 != ~id4~0; {86309#true} is VALID [2022-02-20 18:46:21,272 INFO L290 TraceCheckUtils]: 23: Hoare triple {86309#true} assume ~id2~0 != ~id3~0; {86309#true} is VALID [2022-02-20 18:46:21,272 INFO L290 TraceCheckUtils]: 24: Hoare triple {86309#true} assume ~id2~0 != ~id4~0; {86309#true} is VALID [2022-02-20 18:46:21,273 INFO L290 TraceCheckUtils]: 25: Hoare triple {86309#true} assume ~id3~0 != ~id4~0;main_~init__tmp~0#1 := 1; {86309#true} is VALID [2022-02-20 18:46:21,273 INFO L290 TraceCheckUtils]: 26: Hoare triple {86309#true} ~__return_1566~0 := main_~init__tmp~0#1;main_~main__i2~0#1 := ~__return_1566~0; {86309#true} is VALID [2022-02-20 18:46:21,273 INFO L290 TraceCheckUtils]: 27: Hoare triple {86309#true} assume 0 != main_~main__i2~0#1;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;main_~main__i2~0#1 := 0; {86309#true} is VALID [2022-02-20 18:46:21,273 INFO L290 TraceCheckUtils]: 28: Hoare triple {86309#true} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~0#1;main_~node1__m1~0#1 := ~nomsg~0; {86309#true} is VALID [2022-02-20 18:46:21,273 INFO L290 TraceCheckUtils]: 29: Hoare triple {86309#true} assume !!(0 == ~mode1~0 % 256); {86309#true} is VALID [2022-02-20 18:46:21,273 INFO L290 TraceCheckUtils]: 30: Hoare triple {86309#true} assume !!(0 == ~alive1~0 % 256); {86309#true} is VALID [2022-02-20 18:46:21,273 INFO L290 TraceCheckUtils]: 31: Hoare triple {86309#true} assume !(~send1~0 != ~id1~0); {86309#true} is VALID [2022-02-20 18:46:21,274 INFO L290 TraceCheckUtils]: 32: Hoare triple {86309#true} ~mode1~0 := 1; {86309#true} is VALID [2022-02-20 18:46:21,274 INFO L290 TraceCheckUtils]: 33: Hoare triple {86309#true} havoc main_~node2__m2~0#1;main_~node2__m2~0#1 := ~nomsg~0; {86309#true} is VALID [2022-02-20 18:46:21,274 INFO L290 TraceCheckUtils]: 34: Hoare triple {86309#true} assume !!(0 == ~mode2~0 % 256); {86309#true} is VALID [2022-02-20 18:46:21,274 INFO L290 TraceCheckUtils]: 35: Hoare triple {86309#true} assume !!(0 == ~alive2~0 % 256); {86309#true} is VALID [2022-02-20 18:46:21,274 INFO L290 TraceCheckUtils]: 36: Hoare triple {86309#true} assume !(~send2~0 != ~id2~0); {86309#true} is VALID [2022-02-20 18:46:21,274 INFO L290 TraceCheckUtils]: 37: Hoare triple {86309#true} ~mode2~0 := 1; {86309#true} is VALID [2022-02-20 18:46:21,274 INFO L290 TraceCheckUtils]: 38: Hoare triple {86309#true} havoc main_~node3__m3~0#1;main_~node3__m3~0#1 := ~nomsg~0; {86309#true} is VALID [2022-02-20 18:46:21,275 INFO L290 TraceCheckUtils]: 39: Hoare triple {86309#true} assume !!(0 == ~mode3~0 % 256); {86309#true} is VALID [2022-02-20 18:46:21,275 INFO L290 TraceCheckUtils]: 40: Hoare triple {86309#true} assume !!(0 == ~alive3~0 % 256); {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:46:21,276 INFO L290 TraceCheckUtils]: 41: Hoare triple {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume !(~send3~0 != ~id3~0); {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:46:21,276 INFO L290 TraceCheckUtils]: 42: Hoare triple {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} ~mode3~0 := 1; {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:46:21,277 INFO L290 TraceCheckUtils]: 43: Hoare triple {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} havoc main_~node4__m4~0#1;main_~node4__m4~0#1 := ~nomsg~0; {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:46:21,277 INFO L290 TraceCheckUtils]: 44: Hoare triple {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume !!(0 == ~mode4~0 % 256); {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:46:21,278 INFO L290 TraceCheckUtils]: 45: Hoare triple {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume !!(0 == ~alive4~0 % 256); {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:46:21,278 INFO L290 TraceCheckUtils]: 46: Hoare triple {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume !(~send4~0 != ~id4~0); {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:46:21,278 INFO L290 TraceCheckUtils]: 47: Hoare triple {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} ~mode4~0 := 1; {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:46:21,279 INFO L290 TraceCheckUtils]: 48: Hoare triple {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~0#1; {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:46:21,279 INFO L290 TraceCheckUtils]: 49: Hoare triple {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:46:21,280 INFO L290 TraceCheckUtils]: 50: Hoare triple {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume ~r1~0 < 4;main_~check__tmp~0#1 := 1; {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:46:21,280 INFO L290 TraceCheckUtils]: 51: Hoare triple {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} ~__return_1653~0 := main_~check__tmp~0#1;main_~main__c1~0#1 := ~__return_1653~0;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; {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:46:21,281 INFO L290 TraceCheckUtils]: 52: Hoare triple {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume !(0 == main_~assert__arg~0#1 % 256);main_~main____CPAchecker_TMP_0~0#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1; {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:46:21,281 INFO L290 TraceCheckUtils]: 53: Hoare triple {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~1#1;main_~node1__m1~1#1 := ~nomsg~0; {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:46:21,282 INFO L290 TraceCheckUtils]: 54: Hoare triple {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume !(0 == ~mode1~0 % 256);~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);main_~node1__m1~1#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:46:21,282 INFO L290 TraceCheckUtils]: 55: Hoare triple {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume !(main_~node1__m1~1#1 != ~nomsg~0); {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:46:21,283 INFO L290 TraceCheckUtils]: 56: Hoare triple {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} ~mode1~0 := 0; {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:46:21,283 INFO L290 TraceCheckUtils]: 57: Hoare triple {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} havoc main_~node2__m2~1#1;main_~node2__m2~1#1 := ~nomsg~0; {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:46:21,283 INFO L290 TraceCheckUtils]: 58: Hoare triple {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume !!(0 == ~mode2~0 % 256); {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:46:21,284 INFO L290 TraceCheckUtils]: 59: Hoare triple {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume !!(0 == ~alive2~0 % 256); {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:46:21,284 INFO L290 TraceCheckUtils]: 60: Hoare triple {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume !(~send2~0 != ~id2~0); {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:46:21,285 INFO L290 TraceCheckUtils]: 61: Hoare triple {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} ~mode2~0 := 1; {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:46:21,285 INFO L290 TraceCheckUtils]: 62: Hoare triple {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} havoc main_~node3__m3~1#1;main_~node3__m3~1#1 := ~nomsg~0; {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:46:21,286 INFO L290 TraceCheckUtils]: 63: Hoare triple {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume !(0 == ~mode3~0 % 256);main_~node3__m3~1#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:46:21,286 INFO L290 TraceCheckUtils]: 64: Hoare triple {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume main_~node3__m3~1#1 != ~nomsg~0; {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} is VALID [2022-02-20 18:46:21,287 INFO L290 TraceCheckUtils]: 65: Hoare triple {86311#(= (+ (* (- 256) (div ~alive3~0 256)) ~alive3~0) 0)} assume !(0 == ~alive3~0 % 256); {86310#false} is VALID [2022-02-20 18:46:21,287 INFO L290 TraceCheckUtils]: 66: Hoare triple {86310#false} assume !(main_~node3__m3~1#1 > ~id3~0); {86310#false} is VALID [2022-02-20 18:46:21,287 INFO L290 TraceCheckUtils]: 67: Hoare triple {86310#false} assume main_~node3__m3~1#1 == ~id3~0;~st3~0 := 1; {86310#false} is VALID [2022-02-20 18:46:21,287 INFO L290 TraceCheckUtils]: 68: Hoare triple {86310#false} ~mode3~0 := 0; {86310#false} is VALID [2022-02-20 18:46:21,287 INFO L290 TraceCheckUtils]: 69: Hoare triple {86310#false} havoc main_~node4__m4~1#1;main_~node4__m4~1#1 := ~nomsg~0; {86310#false} is VALID [2022-02-20 18:46:21,287 INFO L290 TraceCheckUtils]: 70: Hoare triple {86310#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~1#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {86310#false} is VALID [2022-02-20 18:46:21,288 INFO L290 TraceCheckUtils]: 71: Hoare triple {86310#false} assume !(main_~node4__m4~1#1 != ~nomsg~0); {86310#false} is VALID [2022-02-20 18:46:21,288 INFO L290 TraceCheckUtils]: 72: Hoare triple {86310#false} ~mode4~0 := 0; {86310#false} is VALID [2022-02-20 18:46:21,288 INFO L290 TraceCheckUtils]: 73: Hoare triple {86310#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~1#1; {86310#false} is VALID [2022-02-20 18:46:21,288 INFO L290 TraceCheckUtils]: 74: Hoare triple {86310#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~1#1 := 0; {86310#false} is VALID [2022-02-20 18:46:21,288 INFO L290 TraceCheckUtils]: 75: Hoare triple {86310#false} ~__return_1737~0 := main_~check__tmp~1#1;main_~main__c1~0#1 := ~__return_1737~0;havoc main_~__tmp_2~0#1;main_~__tmp_2~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~1#1;main_~assert__arg~1#1 := main_~__tmp_2~0#1; {86310#false} is VALID [2022-02-20 18:46:21,288 INFO L290 TraceCheckUtils]: 76: Hoare triple {86310#false} assume !(0 == main_~assert__arg~1#1 % 256);main_~main____CPAchecker_TMP_0~1#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1; {86310#false} is VALID [2022-02-20 18:46:21,289 INFO L290 TraceCheckUtils]: 77: Hoare triple {86310#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~2#1;main_~node1__m1~2#1 := ~nomsg~0; {86310#false} is VALID [2022-02-20 18:46:21,289 INFO L290 TraceCheckUtils]: 78: Hoare triple {86310#false} assume !!(0 == ~mode1~0 % 256); {86310#false} is VALID [2022-02-20 18:46:21,289 INFO L290 TraceCheckUtils]: 79: Hoare triple {86310#false} assume !!(0 == ~alive1~0 % 256); {86310#false} is VALID [2022-02-20 18:46:21,289 INFO L290 TraceCheckUtils]: 80: Hoare triple {86310#false} assume !(~send1~0 != ~id1~0); {86310#false} is VALID [2022-02-20 18:46:21,289 INFO L290 TraceCheckUtils]: 81: Hoare triple {86310#false} ~mode1~0 := 1; {86310#false} is VALID [2022-02-20 18:46:21,289 INFO L290 TraceCheckUtils]: 82: Hoare triple {86310#false} havoc main_~node2__m2~2#1;main_~node2__m2~2#1 := ~nomsg~0; {86310#false} is VALID [2022-02-20 18:46:21,289 INFO L290 TraceCheckUtils]: 83: Hoare triple {86310#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~2#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {86310#false} is VALID [2022-02-20 18:46:21,290 INFO L290 TraceCheckUtils]: 84: Hoare triple {86310#false} assume !(main_~node2__m2~2#1 != ~nomsg~0); {86310#false} is VALID [2022-02-20 18:46:21,290 INFO L290 TraceCheckUtils]: 85: Hoare triple {86310#false} ~mode2~0 := 0; {86310#false} is VALID [2022-02-20 18:46:21,290 INFO L290 TraceCheckUtils]: 86: Hoare triple {86310#false} havoc main_~node3__m3~2#1;main_~node3__m3~2#1 := ~nomsg~0; {86310#false} is VALID [2022-02-20 18:46:21,290 INFO L290 TraceCheckUtils]: 87: Hoare triple {86310#false} assume !!(0 == ~mode3~0 % 256); {86310#false} is VALID [2022-02-20 18:46:21,290 INFO L290 TraceCheckUtils]: 88: Hoare triple {86310#false} assume !!(0 == ~alive3~0 % 256); {86310#false} is VALID [2022-02-20 18:46:21,290 INFO L290 TraceCheckUtils]: 89: Hoare triple {86310#false} assume !(~send3~0 != ~id3~0); {86310#false} is VALID [2022-02-20 18:46:21,290 INFO L290 TraceCheckUtils]: 90: Hoare triple {86310#false} ~mode3~0 := 1; {86310#false} is VALID [2022-02-20 18:46:21,291 INFO L290 TraceCheckUtils]: 91: Hoare triple {86310#false} havoc main_~node4__m4~2#1;main_~node4__m4~2#1 := ~nomsg~0; {86310#false} is VALID [2022-02-20 18:46:21,291 INFO L290 TraceCheckUtils]: 92: Hoare triple {86310#false} assume !!(0 == ~mode4~0 % 256); {86310#false} is VALID [2022-02-20 18:46:21,291 INFO L290 TraceCheckUtils]: 93: Hoare triple {86310#false} assume !!(0 == ~alive4~0 % 256); {86310#false} is VALID [2022-02-20 18:46:21,291 INFO L290 TraceCheckUtils]: 94: Hoare triple {86310#false} assume !(~send4~0 != ~id4~0); {86310#false} is VALID [2022-02-20 18:46:21,291 INFO L290 TraceCheckUtils]: 95: Hoare triple {86310#false} ~mode4~0 := 1; {86310#false} is VALID [2022-02-20 18:46:21,291 INFO L290 TraceCheckUtils]: 96: Hoare triple {86310#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~2#1; {86310#false} is VALID [2022-02-20 18:46:21,292 INFO L290 TraceCheckUtils]: 97: Hoare triple {86310#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~2#1 := 0; {86310#false} is VALID [2022-02-20 18:46:21,292 INFO L290 TraceCheckUtils]: 98: Hoare triple {86310#false} ~__return_1821~0 := main_~check__tmp~2#1;main_~main__c1~0#1 := ~__return_1821~0;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; {86310#false} is VALID [2022-02-20 18:46:21,292 INFO L290 TraceCheckUtils]: 99: Hoare triple {86310#false} assume !(0 == main_~assert__arg~2#1 % 256);main_~main____CPAchecker_TMP_0~2#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1; {86310#false} is VALID [2022-02-20 18:46:21,292 INFO L290 TraceCheckUtils]: 100: Hoare triple {86310#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~3#1;main_~node1__m1~3#1 := ~nomsg~0; {86310#false} is VALID [2022-02-20 18:46:21,292 INFO L290 TraceCheckUtils]: 101: Hoare triple {86310#false} assume !(0 == ~mode1~0 % 256);~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);main_~node1__m1~3#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; {86310#false} is VALID [2022-02-20 18:46:21,292 INFO L290 TraceCheckUtils]: 102: Hoare triple {86310#false} assume !(main_~node1__m1~3#1 != ~nomsg~0); {86310#false} is VALID [2022-02-20 18:46:21,292 INFO L290 TraceCheckUtils]: 103: Hoare triple {86310#false} ~mode1~0 := 0; {86310#false} is VALID [2022-02-20 18:46:21,293 INFO L290 TraceCheckUtils]: 104: Hoare triple {86310#false} havoc main_~node2__m2~3#1;main_~node2__m2~3#1 := ~nomsg~0; {86310#false} is VALID [2022-02-20 18:46:21,293 INFO L290 TraceCheckUtils]: 105: Hoare triple {86310#false} assume !!(0 == ~mode2~0 % 256); {86310#false} is VALID [2022-02-20 18:46:21,293 INFO L290 TraceCheckUtils]: 106: Hoare triple {86310#false} assume !!(0 == ~alive2~0 % 256); {86310#false} is VALID [2022-02-20 18:46:21,293 INFO L290 TraceCheckUtils]: 107: Hoare triple {86310#false} assume !(~send2~0 != ~id2~0); {86310#false} is VALID [2022-02-20 18:46:21,293 INFO L290 TraceCheckUtils]: 108: Hoare triple {86310#false} ~mode2~0 := 1; {86310#false} is VALID [2022-02-20 18:46:21,293 INFO L290 TraceCheckUtils]: 109: Hoare triple {86310#false} havoc main_~node3__m3~3#1;main_~node3__m3~3#1 := ~nomsg~0; {86310#false} is VALID [2022-02-20 18:46:21,293 INFO L290 TraceCheckUtils]: 110: Hoare triple {86310#false} assume !(0 == ~mode3~0 % 256);main_~node3__m3~3#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; {86310#false} is VALID [2022-02-20 18:46:21,294 INFO L290 TraceCheckUtils]: 111: Hoare triple {86310#false} assume !(main_~node3__m3~3#1 != ~nomsg~0); {86310#false} is VALID [2022-02-20 18:46:21,294 INFO L290 TraceCheckUtils]: 112: Hoare triple {86310#false} ~mode3~0 := 0; {86310#false} is VALID [2022-02-20 18:46:21,294 INFO L290 TraceCheckUtils]: 113: Hoare triple {86310#false} havoc main_~node4__m4~3#1;main_~node4__m4~3#1 := ~nomsg~0; {86310#false} is VALID [2022-02-20 18:46:21,294 INFO L290 TraceCheckUtils]: 114: Hoare triple {86310#false} assume !(0 == ~mode4~0 % 256);main_~node4__m4~3#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; {86310#false} is VALID [2022-02-20 18:46:21,294 INFO L290 TraceCheckUtils]: 115: Hoare triple {86310#false} assume !(main_~node4__m4~3#1 != ~nomsg~0); {86310#false} is VALID [2022-02-20 18:46:21,294 INFO L290 TraceCheckUtils]: 116: Hoare triple {86310#false} ~mode4~0 := 0; {86310#false} is VALID [2022-02-20 18:46:21,295 INFO L290 TraceCheckUtils]: 117: Hoare triple {86310#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~3#1; {86310#false} is VALID [2022-02-20 18:46:21,295 INFO L290 TraceCheckUtils]: 118: Hoare triple {86310#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~3#1 := 0; {86310#false} is VALID [2022-02-20 18:46:21,295 INFO L290 TraceCheckUtils]: 119: Hoare triple {86310#false} ~__return_1905~0 := main_~check__tmp~3#1;main_~main__c1~0#1 := ~__return_1905~0;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; {86310#false} is VALID [2022-02-20 18:46:21,295 INFO L290 TraceCheckUtils]: 120: Hoare triple {86310#false} assume !(0 == main_~assert__arg~3#1 % 256);main_~main____CPAchecker_TMP_0~3#1 := main_~main__i2~0#1;main_~main__i2~0#1 := 1 + main_~main__i2~0#1;~__tmp_1915_0~0 := main_~main____CPAchecker_TMP_0~3#1; {86310#false} is VALID [2022-02-20 18:46:21,295 INFO L290 TraceCheckUtils]: 121: Hoare triple {86310#false} main_~main____CPAchecker_TMP_0~3#1 := ~__tmp_1915_0~0; {86310#false} is VALID [2022-02-20 18:46:21,295 INFO L290 TraceCheckUtils]: 122: Hoare triple {86310#false} assume main_~main__i2~0#1 < 8;havoc main_~node1__m1~4#1;main_~node1__m1~4#1 := ~nomsg~0; {86310#false} is VALID [2022-02-20 18:46:21,295 INFO L290 TraceCheckUtils]: 123: Hoare triple {86310#false} assume !!(0 == ~mode1~0 % 256); {86310#false} is VALID [2022-02-20 18:46:21,296 INFO L290 TraceCheckUtils]: 124: Hoare triple {86310#false} assume !!(0 == ~alive1~0 % 256); {86310#false} is VALID [2022-02-20 18:46:21,296 INFO L290 TraceCheckUtils]: 125: Hoare triple {86310#false} assume !(~send1~0 != ~id1~0); {86310#false} is VALID [2022-02-20 18:46:21,296 INFO L290 TraceCheckUtils]: 126: Hoare triple {86310#false} ~mode1~0 := 1; {86310#false} is VALID [2022-02-20 18:46:21,296 INFO L290 TraceCheckUtils]: 127: Hoare triple {86310#false} havoc main_~node2__m2~4#1;main_~node2__m2~4#1 := ~nomsg~0; {86310#false} is VALID [2022-02-20 18:46:21,296 INFO L290 TraceCheckUtils]: 128: Hoare triple {86310#false} assume !(0 == ~mode2~0 % 256);main_~node2__m2~4#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; {86310#false} is VALID [2022-02-20 18:46:21,296 INFO L290 TraceCheckUtils]: 129: Hoare triple {86310#false} assume !(main_~node2__m2~4#1 != ~nomsg~0); {86310#false} is VALID [2022-02-20 18:46:21,297 INFO L290 TraceCheckUtils]: 130: Hoare triple {86310#false} ~mode2~0 := 0; {86310#false} is VALID [2022-02-20 18:46:21,297 INFO L290 TraceCheckUtils]: 131: Hoare triple {86310#false} havoc main_~node3__m3~4#1;main_~node3__m3~4#1 := ~nomsg~0; {86310#false} is VALID [2022-02-20 18:46:21,297 INFO L290 TraceCheckUtils]: 132: Hoare triple {86310#false} assume !!(0 == ~mode3~0 % 256); {86310#false} is VALID [2022-02-20 18:46:21,297 INFO L290 TraceCheckUtils]: 133: Hoare triple {86310#false} assume !!(0 == ~alive3~0 % 256); {86310#false} is VALID [2022-02-20 18:46:21,297 INFO L290 TraceCheckUtils]: 134: Hoare triple {86310#false} assume !(~send3~0 != ~id3~0); {86310#false} is VALID [2022-02-20 18:46:21,297 INFO L290 TraceCheckUtils]: 135: Hoare triple {86310#false} ~mode3~0 := 1; {86310#false} is VALID [2022-02-20 18:46:21,297 INFO L290 TraceCheckUtils]: 136: Hoare triple {86310#false} havoc main_~node4__m4~4#1;main_~node4__m4~4#1 := ~nomsg~0; {86310#false} is VALID [2022-02-20 18:46:21,298 INFO L290 TraceCheckUtils]: 137: Hoare triple {86310#false} assume !!(0 == ~mode4~0 % 256); {86310#false} is VALID [2022-02-20 18:46:21,298 INFO L290 TraceCheckUtils]: 138: Hoare triple {86310#false} assume !!(0 == ~alive4~0 % 256); {86310#false} is VALID [2022-02-20 18:46:21,298 INFO L290 TraceCheckUtils]: 139: Hoare triple {86310#false} assume !(~send4~0 != ~id4~0); {86310#false} is VALID [2022-02-20 18:46:21,298 INFO L290 TraceCheckUtils]: 140: Hoare triple {86310#false} ~mode4~0 := 1; {86310#false} is VALID [2022-02-20 18:46:21,298 INFO L290 TraceCheckUtils]: 141: Hoare triple {86310#false} ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;havoc main_~check__tmp~4#1; {86310#false} is VALID [2022-02-20 18:46:21,298 INFO L290 TraceCheckUtils]: 142: Hoare triple {86310#false} assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);main_~check__tmp~4#1 := 0; {86310#false} is VALID [2022-02-20 18:46:21,298 INFO L290 TraceCheckUtils]: 143: Hoare triple {86310#false} ~__return_1991~0 := main_~check__tmp~4#1;main_~main__c1~0#1 := ~__return_1991~0;havoc main_~__tmp_5~0#1;main_~__tmp_5~0#1 := (if 0 == main_~main__c1~0#1 then 0 else 1);havoc main_~assert__arg~4#1;main_~assert__arg~4#1 := main_~__tmp_5~0#1; {86310#false} is VALID [2022-02-20 18:46:21,299 INFO L290 TraceCheckUtils]: 144: Hoare triple {86310#false} assume 0 == main_~assert__arg~4#1 % 256; {86310#false} is VALID [2022-02-20 18:46:21,299 INFO L290 TraceCheckUtils]: 145: Hoare triple {86310#false} assume !false; {86310#false} is VALID [2022-02-20 18:46:21,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:46:21,300 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:46:21,300 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293056019] [2022-02-20 18:46:21,300 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293056019] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:46:21,300 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:46:21,300 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:46:21,300 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158328349] [2022-02-20 18:46:21,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:46:21,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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 146 [2022-02-20 18:46:21,301 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:46:21,302 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 18:46:21,386 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 146 edges. 146 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:46:21,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:46:21,386 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:46:21,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:46:21,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:46:21,387 INFO L87 Difference]: Start difference. First operand 5188 states and 7890 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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)