./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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/AutomizerTermination.xml -i ../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-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(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 906036225f588312d23f50dd6f109319810cf1ead43ce885e134bcc5a0be0190 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 09:45:53,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 09:45:53,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 09:45:53,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 09:45:53,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 09:45:53,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 09:45:53,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 09:45:53,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 09:45:53,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 09:45:53,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 09:45:53,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 09:45:53,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 09:45:53,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 09:45:53,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 09:45:53,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 09:45:53,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 09:45:53,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 09:45:53,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 09:45:53,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 09:45:53,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 09:45:53,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 09:45:53,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 09:45:53,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 09:45:53,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 09:45:53,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 09:45:53,681 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 09:45:53,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 09:45:53,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 09:45:53,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 09:45:53,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 09:45:53,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 09:45:53,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 09:45:53,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 09:45:53,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 09:45:53,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 09:45:53,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 09:45:53,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 09:45:53,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 09:45:53,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 09:45:53,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 09:45:53,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 09:45:53,696 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-28 09:45:53,715 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 09:45:53,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 09:45:53,716 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 09:45:53,716 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 09:45:53,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 09:45:53,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 09:45:53,717 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 09:45:53,717 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-28 09:45:53,717 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-28 09:45:53,717 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-28 09:45:53,718 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-28 09:45:53,718 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-28 09:45:53,718 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-28 09:45:53,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 09:45:53,718 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 09:45:53,718 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-28 09:45:53,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 09:45:53,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 09:45:53,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 09:45:53,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-28 09:45:53,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-28 09:45:53,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-28 09:45:53,719 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 09:45:53,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 09:45:53,720 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-28 09:45:53,720 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 09:45:53,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-28 09:45:53,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 09:45:53,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 09:45:53,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 09:45:53,721 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 09:45:53,721 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-28 09:45:53,722 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 906036225f588312d23f50dd6f109319810cf1ead43ce885e134bcc5a0be0190 [2021-12-28 09:45:53,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 09:45:54,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 09:45:54,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 09:45:54,015 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 09:45:54,016 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 09:45:54,018 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2021-12-28 09:45:54,079 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed27e5ce8/e9e585d01c354f7cab262574c484de1b/FLAGf17b1a547 [2021-12-28 09:45:54,488 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 09:45:54,489 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2021-12-28 09:45:54,496 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed27e5ce8/e9e585d01c354f7cab262574c484de1b/FLAGf17b1a547 [2021-12-28 09:45:54,893 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed27e5ce8/e9e585d01c354f7cab262574c484de1b [2021-12-28 09:45:54,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 09:45:54,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 09:45:54,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 09:45:54,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 09:45:54,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 09:45:54,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:45:54" (1/1) ... [2021-12-28 09:45:54,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76e29894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:45:54, skipping insertion in model container [2021-12-28 09:45:54,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:45:54" (1/1) ... [2021-12-28 09:45:54,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 09:45:54,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 09:45:55,121 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/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c[14682,14695] [2021-12-28 09:45:55,126 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:45:55,134 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 09:45:55,202 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/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c[14682,14695] [2021-12-28 09:45:55,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:45:55,221 INFO L208 MainTranslator]: Completed translation [2021-12-28 09:45:55,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:45:55 WrapperNode [2021-12-28 09:45:55,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 09:45:55,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 09:45:55,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 09:45:55,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 09:45:55,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:45:55" (1/1) ... [2021-12-28 09:45:55,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:45:55" (1/1) ... [2021-12-28 09:45:55,312 INFO L137 Inliner]: procedures = 32, calls = 48, calls flagged for inlining = 43, calls inlined = 61, statements flattened = 935 [2021-12-28 09:45:55,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 09:45:55,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 09:45:55,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 09:45:55,313 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 09:45:55,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:45:55" (1/1) ... [2021-12-28 09:45:55,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:45:55" (1/1) ... [2021-12-28 09:45:55,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:45:55" (1/1) ... [2021-12-28 09:45:55,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:45:55" (1/1) ... [2021-12-28 09:45:55,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:45:55" (1/1) ... [2021-12-28 09:45:55,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:45:55" (1/1) ... [2021-12-28 09:45:55,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:45:55" (1/1) ... [2021-12-28 09:45:55,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 09:45:55,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 09:45:55,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 09:45:55,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 09:45:55,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:45:55" (1/1) ... [2021-12-28 09:45:55,368 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:45:55,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:45:55,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:45:55,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-28 09:45:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 09:45:55,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 09:45:55,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 09:45:55,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 09:45:55,547 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 09:45:55,549 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 09:45:56,140 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 09:45:56,156 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 09:45:56,156 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-28 09:45:56,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:45:56 BoogieIcfgContainer [2021-12-28 09:45:56,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 09:45:56,159 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-28 09:45:56,159 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-28 09:45:56,161 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-28 09:45:56,161 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:45:56,161 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.12 09:45:54" (1/3) ... [2021-12-28 09:45:56,162 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5963c1bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:45:56, skipping insertion in model container [2021-12-28 09:45:56,162 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:45:56,162 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:45:55" (2/3) ... [2021-12-28 09:45:56,162 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5963c1bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:45:56, skipping insertion in model container [2021-12-28 09:45:56,162 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:45:56,162 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:45:56" (3/3) ... [2021-12-28 09:45:56,163 INFO L388 chiAutomizerObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2021-12-28 09:45:56,217 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-28 09:45:56,217 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-28 09:45:56,217 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-28 09:45:56,218 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-28 09:45:56,218 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-28 09:45:56,218 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-28 09:45:56,218 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-28 09:45:56,218 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-28 09:45:56,240 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 278 states, 277 states have (on average 1.6101083032490975) internal successors, (446), 277 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:45:56,283 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 257 [2021-12-28 09:45:56,284 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:45:56,284 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:45:56,296 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-28 09:45:56,296 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-28 09:45:56,296 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-28 09:45:56,299 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 278 states, 277 states have (on average 1.6101083032490975) internal successors, (446), 277 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:45:56,307 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 257 [2021-12-28 09:45:56,311 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:45:56,311 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:45:56,312 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-28 09:45:56,314 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-28 09:45:56,319 INFO L791 eck$LassoCheckResult]: Stem: 270#ULTIMATE.startENTRYtrue 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(52, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~cs1~0 := 0;~cs1_old~0 := 0;~cs1_new~0 := 0;~cs2~0 := 0;~cs2_old~0 := 0;~cs2_new~0 := 0;~s1s2~0 := 0;~s1s2_old~0 := 0;~s1s2_new~0 := 0;~s1s1~0 := 0;~s1s1_old~0 := 0;~s1s1_new~0 := 0;~s2s1~0 := 0;~s2s1_old~0 := 0;~s2s1_new~0 := 0;~s2s2~0 := 0;~s2s2_old~0 := 0;~s2s2_new~0 := 0;~s1p~0 := 0;~s1p_old~0 := 0;~s1p_new~0 := 0;~s2p~0 := 0;~s2p_old~0 := 0;~s2p_new~0 := 0;~side1Failed~0 := 0;~side2Failed~0 := 0;~side1_written~0 := 0;~side2_written~0 := 0;~side1Failed_History_0~0 := 0;~side1Failed_History_1~0 := 0;~side1Failed_History_2~0 := 0;~side2Failed_History_0~0 := 0;~side2Failed_History_1~0 := 0;~side2Failed_History_2~0 := 0;~active_side_History_0~0 := 0;~active_side_History_1~0 := 0;~active_side_History_2~0 := 0;~manual_selection_History_0~0 := 0;~manual_selection_History_1~0 := 0;~manual_selection_History_2~0 := 0; 182#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~nondet56#1, main_#t~nondet57#1, main_#t~nondet58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~ret61#1, main_#t~ret62#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~side1Failed~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~side2Failed~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~side1_written~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;~side2_written~0 := main_#t~nondet48#1;havoc main_#t~nondet48#1;~side1Failed_History_0~0 := main_#t~nondet49#1;havoc main_#t~nondet49#1;~side1Failed_History_1~0 := main_#t~nondet50#1;havoc main_#t~nondet50#1;~side1Failed_History_2~0 := main_#t~nondet51#1;havoc main_#t~nondet51#1;~side2Failed_History_0~0 := main_#t~nondet52#1;havoc main_#t~nondet52#1;~side2Failed_History_1~0 := main_#t~nondet53#1;havoc main_#t~nondet53#1;~side2Failed_History_2~0 := main_#t~nondet54#1;havoc main_#t~nondet54#1;~active_side_History_0~0 := main_#t~nondet55#1;havoc main_#t~nondet55#1;~active_side_History_1~0 := main_#t~nondet56#1;havoc main_#t~nondet56#1;~active_side_History_2~0 := main_#t~nondet57#1;havoc main_#t~nondet57#1;~manual_selection_History_0~0 := main_#t~nondet58#1;havoc main_#t~nondet58#1;~manual_selection_History_1~0 := main_#t~nondet59#1;havoc main_#t~nondet59#1;~manual_selection_History_2~0 := main_#t~nondet60#1;havoc main_#t~nondet60#1;assume { :begin_inline_init } true;havoc init_#res#1; 73#L197true assume 0 != ~side1Failed_History_0~0 % 256;init_#res#1 := 0; 65#L233true main_#t~ret61#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret61#1;havoc main_#t~ret61#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 181#L58true assume !(0 == assume_abort_if_not_~cond#1); 134#L57true assume { :end_inline_assume_abort_if_not } true;~cs1_old~0 := ~nomsg~0;~cs1_new~0 := ~nomsg~0;~cs2_old~0 := ~nomsg~0;~cs2_new~0 := ~nomsg~0;~s1s2_old~0 := ~nomsg~0;~s1s2_new~0 := ~nomsg~0;~s1s1_old~0 := ~nomsg~0;~s1s1_new~0 := ~nomsg~0;~s2s1_old~0 := ~nomsg~0;~s2s1_new~0 := ~nomsg~0;~s2s2_old~0 := ~nomsg~0;~s2s2_new~0 := ~nomsg~0;~s1p_old~0 := ~nomsg~0;~s1p_new~0 := ~nomsg~0;~s2p_old~0 := ~nomsg~0;~s2p_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 171#L582-2true [2021-12-28 09:45:56,326 INFO L793 eck$LassoCheckResult]: Loop: 171#L582-2true assume !false;assume { :begin_inline_Console_task_each_pals_period } true;havoc Console_task_each_pals_period_#t~nondet4#1, Console_task_each_pals_period_#t~ite5#1, Console_task_each_pals_period_#t~ite6#1, Console_task_each_pals_period_~manual_selection~0#1, Console_task_each_pals_period_~tmp~1#1;havoc Console_task_each_pals_period_~manual_selection~0#1;havoc Console_task_each_pals_period_~tmp~1#1;Console_task_each_pals_period_~tmp~1#1 := Console_task_each_pals_period_#t~nondet4#1;havoc Console_task_each_pals_period_#t~nondet4#1;Console_task_each_pals_period_~manual_selection~0#1 := Console_task_each_pals_period_~tmp~1#1;assume { :begin_inline_write_manual_selection_history } true;write_manual_selection_history_#in~val#1 := Console_task_each_pals_period_~manual_selection~0#1;havoc write_manual_selection_history_~val#1;write_manual_selection_history_~val#1 := write_manual_selection_history_#in~val#1;~manual_selection_History_2~0 := ~manual_selection_History_1~0;~manual_selection_History_1~0 := ~manual_selection_History_0~0;~manual_selection_History_0~0 := write_manual_selection_history_~val#1; 202#L170true assume { :end_inline_write_manual_selection_history } true; 173#L258true assume Console_task_each_pals_period_~manual_selection~0#1 != ~nomsg~0 && ~cs1_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite5#1 := Console_task_each_pals_period_~manual_selection~0#1; 213#L258-2true ~cs1_new~0 := (if Console_task_each_pals_period_#t~ite5#1 % 256 <= 127 then Console_task_each_pals_period_#t~ite5#1 % 256 else Console_task_each_pals_period_#t~ite5#1 % 256 - 256);havoc Console_task_each_pals_period_#t~ite5#1; 206#L259true assume Console_task_each_pals_period_~manual_selection~0#1 != ~nomsg~0 && ~cs2_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite6#1 := Console_task_each_pals_period_~manual_selection~0#1; 260#L259-2true ~cs2_new~0 := (if Console_task_each_pals_period_#t~ite6#1 % 256 <= 127 then Console_task_each_pals_period_#t~ite6#1 % 256 else Console_task_each_pals_period_#t~ite6#1 % 256 - 256);havoc Console_task_each_pals_period_#t~ite6#1;Console_task_each_pals_period_~manual_selection~0#1 := 0; 139#L261true assume { :end_inline_Console_task_each_pals_period } true;assume { :begin_inline_Side1_activestandby_task_each_pals_period } true;havoc Side1_activestandby_task_each_pals_period_#t~nondet7#1, Side1_activestandby_task_each_pals_period_#t~ite8#1, Side1_activestandby_task_each_pals_period_#t~ite9#1, Side1_activestandby_task_each_pals_period_#t~ite10#1, Side1_activestandby_task_each_pals_period_#t~ret11#1, Side1_activestandby_task_each_pals_period_#t~ite12#1, Side1_activestandby_task_each_pals_period_#t~ite13#1, Side1_activestandby_task_each_pals_period_#t~ite14#1, Side1_activestandby_task_each_pals_period_~side1~0#1, Side1_activestandby_task_each_pals_period_~side2~0#1, Side1_activestandby_task_each_pals_period_~manual_selection~1#1, Side1_activestandby_task_each_pals_period_~next_state~0#1;havoc Side1_activestandby_task_each_pals_period_~side1~0#1;havoc Side1_activestandby_task_each_pals_period_~side2~0#1;havoc Side1_activestandby_task_each_pals_period_~manual_selection~1#1;havoc Side1_activestandby_task_each_pals_period_~next_state~0#1;Side1_activestandby_task_each_pals_period_~side1~0#1 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0#1 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1#1 := 0;~side1Failed~0 := Side1_activestandby_task_each_pals_period_#t~nondet7#1;havoc Side1_activestandby_task_each_pals_period_#t~nondet7#1;assume { :begin_inline_write_side1_failed_history } true;write_side1_failed_history_#in~val#1 := ~side1Failed~0;havoc write_side1_failed_history_~val#1;write_side1_failed_history_~val#1 := write_side1_failed_history_#in~val#1;~side1Failed_History_2~0 := ~side1Failed_History_1~0;~side1Failed_History_1~0 := ~side1Failed_History_0~0;~side1Failed_History_0~0 := write_side1_failed_history_~val#1; 147#L80true assume { :end_inline_write_side1_failed_history } true; 128#L277true assume 0 != ~side1Failed~0 % 256; 137#L278true assume ~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0;Side1_activestandby_task_each_pals_period_#t~ite8#1 := ~nomsg~0; 142#L278-2true ~s1s1_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite8#1; 56#L279true assume ~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0;Side1_activestandby_task_each_pals_period_#t~ite9#1 := ~nomsg~0; 34#L279-2true ~s1s2_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite9#1; 238#L280true assume ~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0;Side1_activestandby_task_each_pals_period_#t~ite10#1 := ~nomsg~0; 108#L280-2true ~s1p_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite10#1;~side1_written~0 := ~nomsg~0; 274#L318true assume { :end_inline_Side1_activestandby_task_each_pals_period } true;assume { :begin_inline_Side2_activestandby_task_each_pals_period } true;havoc Side2_activestandby_task_each_pals_period_#t~nondet15#1, Side2_activestandby_task_each_pals_period_#t~ite16#1, Side2_activestandby_task_each_pals_period_#t~ite17#1, Side2_activestandby_task_each_pals_period_#t~ite18#1, Side2_activestandby_task_each_pals_period_#t~ret19#1, Side2_activestandby_task_each_pals_period_#t~ite20#1, Side2_activestandby_task_each_pals_period_#t~ite21#1, Side2_activestandby_task_each_pals_period_#t~ite22#1, Side2_activestandby_task_each_pals_period_~side1~1#1, Side2_activestandby_task_each_pals_period_~side2~1#1, Side2_activestandby_task_each_pals_period_~manual_selection~2#1, Side2_activestandby_task_each_pals_period_~next_state~1#1;havoc Side2_activestandby_task_each_pals_period_~side1~1#1;havoc Side2_activestandby_task_each_pals_period_~side2~1#1;havoc Side2_activestandby_task_each_pals_period_~manual_selection~2#1;havoc Side2_activestandby_task_each_pals_period_~next_state~1#1;Side2_activestandby_task_each_pals_period_~side1~1#1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~side2~1#1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~manual_selection~2#1 := 0;~side2Failed~0 := Side2_activestandby_task_each_pals_period_#t~nondet15#1;havoc Side2_activestandby_task_each_pals_period_#t~nondet15#1;assume { :begin_inline_write_side2_failed_history } true;write_side2_failed_history_#in~val#1 := ~side2Failed~0;havoc write_side2_failed_history_~val#1;write_side2_failed_history_~val#1 := write_side2_failed_history_#in~val#1;~side2Failed_History_2~0 := ~side2Failed_History_1~0;~side2Failed_History_1~0 := ~side2Failed_History_0~0;~side2Failed_History_0~0 := write_side2_failed_history_~val#1; 69#L110true assume { :end_inline_write_side2_failed_history } true; 35#L334true assume 0 != ~side2Failed~0 % 256; 24#L335true assume ~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0;Side2_activestandby_task_each_pals_period_#t~ite16#1 := ~nomsg~0; 33#L335-2true ~s2s1_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite16#1; 79#L336true assume ~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0;Side2_activestandby_task_each_pals_period_#t~ite17#1 := ~nomsg~0; 221#L336-2true ~s2s2_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite17#1; 217#L337true assume ~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0;Side2_activestandby_task_each_pals_period_#t~ite18#1 := ~nomsg~0; 119#L337-2true ~s2p_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite18#1;~side2_written~0 := ~nomsg~0; 152#L375true assume { :end_inline_Side2_activestandby_task_each_pals_period } true;assume { :begin_inline_Pendulum_prism_task_each_pals_period } true;havoc Pendulum_prism_task_each_pals_period_#t~ret23#1, Pendulum_prism_task_each_pals_period_~active_side~0#1, Pendulum_prism_task_each_pals_period_~tmp~2#1, Pendulum_prism_task_each_pals_period_~side1~2#1, Pendulum_prism_task_each_pals_period_~side2~2#1;havoc Pendulum_prism_task_each_pals_period_~active_side~0#1;havoc Pendulum_prism_task_each_pals_period_~tmp~2#1;havoc Pendulum_prism_task_each_pals_period_~side1~2#1;havoc Pendulum_prism_task_each_pals_period_~side2~2#1;assume { :begin_inline_read_active_side_history } true;read_active_side_history_#in~index#1 := 0;havoc read_active_side_history_#res#1;havoc read_active_side_history_~index#1;read_active_side_history_~index#1 := read_active_side_history_#in~index#1; 31#L148true assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 155#L158true Pendulum_prism_task_each_pals_period_#t~ret23#1 := read_active_side_history_#res#1;assume { :end_inline_read_active_side_history } true;Pendulum_prism_task_each_pals_period_~tmp~2#1 := Pendulum_prism_task_each_pals_period_#t~ret23#1;havoc Pendulum_prism_task_each_pals_period_#t~ret23#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := Pendulum_prism_task_each_pals_period_~tmp~2#1;Pendulum_prism_task_each_pals_period_~side1~2#1 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2#1 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side1~2#1 := ~s1p_old~0;~s1p_old~0 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2#1 := ~s2p_old~0;~s2p_old~0 := ~nomsg~0; 154#L394true assume 1 == Pendulum_prism_task_each_pals_period_~side1~2#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := 1; 248#L408true assume { :begin_inline_write_active_side_history } true;write_active_side_history_#in~val#1 := Pendulum_prism_task_each_pals_period_~active_side~0#1;havoc write_active_side_history_~val#1;write_active_side_history_~val#1 := write_active_side_history_#in~val#1;~active_side_History_2~0 := ~active_side_History_1~0;~active_side_History_1~0 := ~active_side_History_0~0;~active_side_History_0~0 := write_active_side_history_~val#1; 60#L140true assume { :end_inline_write_active_side_history } true; 18#L418true assume { :end_inline_Pendulum_prism_task_each_pals_period } true;~cs1_old~0 := ~cs1_new~0;~cs1_new~0 := ~nomsg~0;~cs2_old~0 := ~cs2_new~0;~cs2_new~0 := ~nomsg~0;~s1s2_old~0 := ~s1s2_new~0;~s1s2_new~0 := ~nomsg~0;~s1s1_old~0 := ~s1s1_new~0;~s1s1_new~0 := ~nomsg~0;~s2s1_old~0 := ~s2s1_new~0;~s2s1_new~0 := ~nomsg~0;~s2s2_old~0 := ~s2s2_new~0;~s2s2_new~0 := ~nomsg~0;~s1p_old~0 := ~s1p_new~0;~s1p_new~0 := ~nomsg~0;~s2p_old~0 := ~s2p_new~0;~s2p_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_#t~ret24#1, check_#t~ret25#1, check_#t~ret26#1, check_#t~ret27#1, check_#t~ret28#1, check_#t~ret29#1, check_#t~ret30#1, check_#t~ret31#1, check_#t~ret32#1, check_#t~ret33#1, check_#t~ret34#1, check_#t~ret35#1, check_#t~ret36#1, check_#t~ret37#1, check_#t~ret38#1, check_#t~ret39#1, check_#t~ret40#1, check_#t~ret41#1, check_#t~ret42#1, check_#t~ret43#1, check_#t~ret44#1, check_~tmp~3#1, check_~tmp___0~0#1, check_~tmp___1~0#1, check_~tmp___2~0#1, check_~tmp___3~0#1, check_~tmp___4~0#1, check_~tmp___5~0#1, check_~tmp___6~0#1, check_~tmp___7~0#1, check_~tmp___8~0#1, check_~tmp___9~0#1, check_~tmp___10~0#1, check_~tmp___11~0#1, check_~tmp___12~0#1, check_~tmp___13~0#1, check_~tmp___14~0#1, check_~tmp___15~0#1, check_~tmp___16~0#1, check_~tmp___17~0#1, check_~tmp___18~0#1, check_~tmp___19~0#1, check_~tmp___20~0#1;havoc check_~tmp~3#1;havoc check_~tmp___0~0#1;havoc check_~tmp___1~0#1;havoc check_~tmp___2~0#1;havoc check_~tmp___3~0#1;havoc check_~tmp___4~0#1;havoc check_~tmp___5~0#1;havoc check_~tmp___6~0#1;havoc check_~tmp___7~0#1;havoc check_~tmp___8~0#1;havoc check_~tmp___9~0#1;havoc check_~tmp___10~0#1;havoc check_~tmp___11~0#1;havoc check_~tmp___12~0#1;havoc check_~tmp___13~0#1;havoc check_~tmp___14~0#1;havoc check_~tmp___15~0#1;havoc check_~tmp___16~0#1;havoc check_~tmp___17~0#1;havoc check_~tmp___18~0#1;havoc check_~tmp___19~0#1;havoc check_~tmp___20~0#1; 169#L447true assume 0 == ~side1Failed~0 % 256;check_~tmp~3#1 := 1; 23#L450-2true assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if 0 == check_~tmp~3#1 then 0 else 1) % 256;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 153#L58-2true assume 0 == assume_abort_if_not_~cond#1;assume false; 19#L57-1true assume { :end_inline_assume_abort_if_not } true;assume { :begin_inline_read_manual_selection_history } true;read_manual_selection_history_#in~index#1 := 1;havoc read_manual_selection_history_#res#1;havoc read_manual_selection_history_~index#1;read_manual_selection_history_~index#1 := read_manual_selection_history_#in~index#1; 28#L178true assume 0 == read_manual_selection_history_~index#1 % 256;read_manual_selection_history_#res#1 := ~manual_selection_History_0~0; 20#L188true check_#t~ret24#1 := read_manual_selection_history_#res#1;assume { :end_inline_read_manual_selection_history } true;check_~tmp___0~0#1 := check_#t~ret24#1;havoc check_#t~ret24#1; 160#L457true assume !(0 == check_~tmp___0~0#1); 145#L457-1true assume { :begin_inline_read_side1_failed_history } true;read_side1_failed_history_#in~index#1 := 1;havoc read_side1_failed_history_#res#1;havoc read_side1_failed_history_~index#1;read_side1_failed_history_~index#1 := read_side1_failed_history_#in~index#1; 16#L88-2true assume 0 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_0~0; 224#L98-2true check_#t~ret29#1 := read_side1_failed_history_#res#1;assume { :end_inline_read_side1_failed_history } true;check_~tmp___7~0#1 := check_#t~ret29#1;havoc check_#t~ret29#1; 156#L487true assume 0 != check_~tmp___7~0#1 % 256;assume { :begin_inline_read_side2_failed_history } true;read_side2_failed_history_#in~index#1 := 1;havoc read_side2_failed_history_#res#1;havoc read_side2_failed_history_~index#1;read_side2_failed_history_~index#1 := read_side2_failed_history_#in~index#1; 61#L118-2true assume 0 == read_side2_failed_history_~index#1 % 256;read_side2_failed_history_#res#1 := ~side2Failed_History_0~0; 280#L128-2true check_#t~ret30#1 := read_side2_failed_history_#res#1;assume { :end_inline_read_side2_failed_history } true;check_~tmp___8~0#1 := check_#t~ret30#1;havoc check_#t~ret30#1; 265#L489true assume 0 == check_~tmp___8~0#1 % 256;assume { :begin_inline_read_active_side_history } true;read_active_side_history_#in~index#1 := 0;havoc read_active_side_history_#res#1;havoc read_active_side_history_~index#1;read_active_side_history_~index#1 := read_active_side_history_#in~index#1; 249#L148-1true assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 235#L158-1true check_#t~ret31#1 := read_active_side_history_#res#1;assume { :end_inline_read_active_side_history } true;check_~tmp___5~0#1 := check_#t~ret31#1;havoc check_#t~ret31#1; 6#L491true assume !(2 == check_~tmp___5~0#1);check_#res#1 := 0; 85#L537true main_#t~ret62#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret62#1;havoc main_#t~ret62#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 233#L616-44true assume !(0 == assert_~arg#1 % 256); 272#L611-22true assume { :end_inline_assert } true; 171#L582-2true [2021-12-28 09:45:56,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:45:56,342 INFO L85 PathProgramCache]: Analyzing trace with hash 889563392, now seen corresponding path program 1 times [2021-12-28 09:45:56,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:45:56,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10903018] [2021-12-28 09:45:56,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:45:56,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:45:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:45:56,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:45:56,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:45:56,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10903018] [2021-12-28 09:45:56,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10903018] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:45:56,513 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:45:56,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 09:45:56,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716517470] [2021-12-28 09:45:56,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:45:56,518 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-28 09:45:56,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:45:56,520 INFO L85 PathProgramCache]: Analyzing trace with hash 102101614, now seen corresponding path program 1 times [2021-12-28 09:45:56,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:45:56,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442716873] [2021-12-28 09:45:56,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:45:56,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:45:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:45:56,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:45:56,584 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:45:56,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442716873] [2021-12-28 09:45:56,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442716873] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:45:56,584 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:45:56,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-28 09:45:56,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964704402] [2021-12-28 09:45:56,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:45:56,586 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-28 09:45:56,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:45:56,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 09:45:56,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 09:45:56,617 INFO L87 Difference]: Start difference. First operand has 278 states, 277 states have (on average 1.6101083032490975) internal successors, (446), 277 states have internal predecessors, (446), 0 states have call successors, (0), 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 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:45:56,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:45:56,684 INFO L93 Difference]: Finished difference Result 276 states and 411 transitions. [2021-12-28 09:45:56,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 09:45:56,689 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 276 states and 411 transitions. [2021-12-28 09:45:56,696 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 234 [2021-12-28 09:45:56,702 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 276 states to 251 states and 375 transitions. [2021-12-28 09:45:56,703 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 251 [2021-12-28 09:45:56,704 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 251 [2021-12-28 09:45:56,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 251 states and 375 transitions. [2021-12-28 09:45:56,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:45:56,707 INFO L681 BuchiCegarLoop]: Abstraction has 251 states and 375 transitions. [2021-12-28 09:45:56,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states and 375 transitions. [2021-12-28 09:45:56,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2021-12-28 09:45:56,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 251 states have (on average 1.4940239043824701) internal successors, (375), 250 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:45:56,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 375 transitions. [2021-12-28 09:45:56,744 INFO L704 BuchiCegarLoop]: Abstraction has 251 states and 375 transitions. [2021-12-28 09:45:56,745 INFO L587 BuchiCegarLoop]: Abstraction has 251 states and 375 transitions. [2021-12-28 09:45:56,745 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-28 09:45:56,745 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 251 states and 375 transitions. [2021-12-28 09:45:56,746 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 234 [2021-12-28 09:45:56,746 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:45:56,746 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:45:56,748 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:45:56,749 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-28 09:45:56,749 INFO L791 eck$LassoCheckResult]: Stem: 816#ULTIMATE.startENTRY 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(52, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~cs1~0 := 0;~cs1_old~0 := 0;~cs1_new~0 := 0;~cs2~0 := 0;~cs2_old~0 := 0;~cs2_new~0 := 0;~s1s2~0 := 0;~s1s2_old~0 := 0;~s1s2_new~0 := 0;~s1s1~0 := 0;~s1s1_old~0 := 0;~s1s1_new~0 := 0;~s2s1~0 := 0;~s2s1_old~0 := 0;~s2s1_new~0 := 0;~s2s2~0 := 0;~s2s2_old~0 := 0;~s2s2_new~0 := 0;~s1p~0 := 0;~s1p_old~0 := 0;~s1p_new~0 := 0;~s2p~0 := 0;~s2p_old~0 := 0;~s2p_new~0 := 0;~side1Failed~0 := 0;~side2Failed~0 := 0;~side1_written~0 := 0;~side2_written~0 := 0;~side1Failed_History_0~0 := 0;~side1Failed_History_1~0 := 0;~side1Failed_History_2~0 := 0;~side2Failed_History_0~0 := 0;~side2Failed_History_1~0 := 0;~side2Failed_History_2~0 := 0;~active_side_History_0~0 := 0;~active_side_History_1~0 := 0;~active_side_History_2~0 := 0;~manual_selection_History_0~0 := 0;~manual_selection_History_1~0 := 0;~manual_selection_History_2~0 := 0; 791#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~nondet56#1, main_#t~nondet57#1, main_#t~nondet58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~ret61#1, main_#t~ret62#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~side1Failed~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~side2Failed~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~side1_written~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;~side2_written~0 := main_#t~nondet48#1;havoc main_#t~nondet48#1;~side1Failed_History_0~0 := main_#t~nondet49#1;havoc main_#t~nondet49#1;~side1Failed_History_1~0 := main_#t~nondet50#1;havoc main_#t~nondet50#1;~side1Failed_History_2~0 := main_#t~nondet51#1;havoc main_#t~nondet51#1;~side2Failed_History_0~0 := main_#t~nondet52#1;havoc main_#t~nondet52#1;~side2Failed_History_1~0 := main_#t~nondet53#1;havoc main_#t~nondet53#1;~side2Failed_History_2~0 := main_#t~nondet54#1;havoc main_#t~nondet54#1;~active_side_History_0~0 := main_#t~nondet55#1;havoc main_#t~nondet55#1;~active_side_History_1~0 := main_#t~nondet56#1;havoc main_#t~nondet56#1;~active_side_History_2~0 := main_#t~nondet57#1;havoc main_#t~nondet57#1;~manual_selection_History_0~0 := main_#t~nondet58#1;havoc main_#t~nondet58#1;~manual_selection_History_1~0 := main_#t~nondet59#1;havoc main_#t~nondet59#1;~manual_selection_History_2~0 := main_#t~nondet60#1;havoc main_#t~nondet60#1;assume { :begin_inline_init } true;havoc init_#res#1; 685#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 686#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 615#L203 assume !(-2 != ~active_side_History_0~0); 616#L206 assume !(0 != ~manual_selection_History_0~0); 634#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 806#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 756#L215 assume !(-2 != ~active_side_History_1~0); 757#L218 assume !(0 != ~manual_selection_History_1~0); 793#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 809#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 719#L227 assume !(-2 != ~active_side_History_2~0); 720#L230 assume !(0 != ~manual_selection_History_2~0);init_#res#1 := 1; 675#L233 main_#t~ret61#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret61#1;havoc main_#t~ret61#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 676#L58 assume !(0 == assume_abort_if_not_~cond#1); 758#L57 assume { :end_inline_assume_abort_if_not } true;~cs1_old~0 := ~nomsg~0;~cs1_new~0 := ~nomsg~0;~cs2_old~0 := ~nomsg~0;~cs2_new~0 := ~nomsg~0;~s1s2_old~0 := ~nomsg~0;~s1s2_new~0 := ~nomsg~0;~s1s1_old~0 := ~nomsg~0;~s1s1_new~0 := ~nomsg~0;~s2s1_old~0 := ~nomsg~0;~s2s1_new~0 := ~nomsg~0;~s2s2_old~0 := ~nomsg~0;~s2s2_new~0 := ~nomsg~0;~s1p_old~0 := ~nomsg~0;~s1p_new~0 := ~nomsg~0;~s2p_old~0 := ~nomsg~0;~s2p_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 759#L582-2 [2021-12-28 09:45:56,751 INFO L793 eck$LassoCheckResult]: Loop: 759#L582-2 assume !false;assume { :begin_inline_Console_task_each_pals_period } true;havoc Console_task_each_pals_period_#t~nondet4#1, Console_task_each_pals_period_#t~ite5#1, Console_task_each_pals_period_#t~ite6#1, Console_task_each_pals_period_~manual_selection~0#1, Console_task_each_pals_period_~tmp~1#1;havoc Console_task_each_pals_period_~manual_selection~0#1;havoc Console_task_each_pals_period_~tmp~1#1;Console_task_each_pals_period_~tmp~1#1 := Console_task_each_pals_period_#t~nondet4#1;havoc Console_task_each_pals_period_#t~nondet4#1;Console_task_each_pals_period_~manual_selection~0#1 := Console_task_each_pals_period_~tmp~1#1;assume { :begin_inline_write_manual_selection_history } true;write_manual_selection_history_#in~val#1 := Console_task_each_pals_period_~manual_selection~0#1;havoc write_manual_selection_history_~val#1;write_manual_selection_history_~val#1 := write_manual_selection_history_#in~val#1;~manual_selection_History_2~0 := ~manual_selection_History_1~0;~manual_selection_History_1~0 := ~manual_selection_History_0~0;~manual_selection_History_0~0 := write_manual_selection_history_~val#1; 783#L170 assume { :end_inline_write_manual_selection_history } true; 784#L258 assume Console_task_each_pals_period_~manual_selection~0#1 != ~nomsg~0 && ~cs1_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite5#1 := Console_task_each_pals_period_~manual_selection~0#1; 785#L258-2 ~cs1_new~0 := (if Console_task_each_pals_period_#t~ite5#1 % 256 <= 127 then Console_task_each_pals_period_#t~ite5#1 % 256 else Console_task_each_pals_period_#t~ite5#1 % 256 - 256);havoc Console_task_each_pals_period_#t~ite5#1; 803#L259 assume Console_task_each_pals_period_~manual_selection~0#1 != ~nomsg~0 && ~cs2_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite6#1 := Console_task_each_pals_period_~manual_selection~0#1; 804#L259-2 ~cs2_new~0 := (if Console_task_each_pals_period_#t~ite6#1 % 256 <= 127 then Console_task_each_pals_period_#t~ite6#1 % 256 else Console_task_each_pals_period_#t~ite6#1 % 256 - 256);havoc Console_task_each_pals_period_#t~ite6#1;Console_task_each_pals_period_~manual_selection~0#1 := 0; 763#L261 assume { :end_inline_Console_task_each_pals_period } true;assume { :begin_inline_Side1_activestandby_task_each_pals_period } true;havoc Side1_activestandby_task_each_pals_period_#t~nondet7#1, Side1_activestandby_task_each_pals_period_#t~ite8#1, Side1_activestandby_task_each_pals_period_#t~ite9#1, Side1_activestandby_task_each_pals_period_#t~ite10#1, Side1_activestandby_task_each_pals_period_#t~ret11#1, Side1_activestandby_task_each_pals_period_#t~ite12#1, Side1_activestandby_task_each_pals_period_#t~ite13#1, Side1_activestandby_task_each_pals_period_#t~ite14#1, Side1_activestandby_task_each_pals_period_~side1~0#1, Side1_activestandby_task_each_pals_period_~side2~0#1, Side1_activestandby_task_each_pals_period_~manual_selection~1#1, Side1_activestandby_task_each_pals_period_~next_state~0#1;havoc Side1_activestandby_task_each_pals_period_~side1~0#1;havoc Side1_activestandby_task_each_pals_period_~side2~0#1;havoc Side1_activestandby_task_each_pals_period_~manual_selection~1#1;havoc Side1_activestandby_task_each_pals_period_~next_state~0#1;Side1_activestandby_task_each_pals_period_~side1~0#1 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0#1 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1#1 := 0;~side1Failed~0 := Side1_activestandby_task_each_pals_period_#t~nondet7#1;havoc Side1_activestandby_task_each_pals_period_#t~nondet7#1;assume { :begin_inline_write_side1_failed_history } true;write_side1_failed_history_#in~val#1 := ~side1Failed~0;havoc write_side1_failed_history_~val#1;write_side1_failed_history_~val#1 := write_side1_failed_history_#in~val#1;~side1Failed_History_2~0 := ~side1Failed_History_1~0;~side1Failed_History_1~0 := ~side1Failed_History_0~0;~side1Failed_History_0~0 := write_side1_failed_history_~val#1; 764#L80 assume { :end_inline_write_side1_failed_history } true; 747#L277 assume 0 != ~side1Failed~0 % 256; 748#L278 assume !(~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite8#1 := ~s1s1_new~0; 761#L278-2 ~s1s1_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite8#1; 660#L279 assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite9#1 := ~s1s2_new~0; 626#L279-2 ~s1s2_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite9#1; 627#L280 assume !(~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite10#1 := ~s1p_new~0; 727#L280-2 ~s1p_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite10#1;~side1_written~0 := ~nomsg~0; 728#L318 assume { :end_inline_Side1_activestandby_task_each_pals_period } true;assume { :begin_inline_Side2_activestandby_task_each_pals_period } true;havoc Side2_activestandby_task_each_pals_period_#t~nondet15#1, Side2_activestandby_task_each_pals_period_#t~ite16#1, Side2_activestandby_task_each_pals_period_#t~ite17#1, Side2_activestandby_task_each_pals_period_#t~ite18#1, Side2_activestandby_task_each_pals_period_#t~ret19#1, Side2_activestandby_task_each_pals_period_#t~ite20#1, Side2_activestandby_task_each_pals_period_#t~ite21#1, Side2_activestandby_task_each_pals_period_#t~ite22#1, Side2_activestandby_task_each_pals_period_~side1~1#1, Side2_activestandby_task_each_pals_period_~side2~1#1, Side2_activestandby_task_each_pals_period_~manual_selection~2#1, Side2_activestandby_task_each_pals_period_~next_state~1#1;havoc Side2_activestandby_task_each_pals_period_~side1~1#1;havoc Side2_activestandby_task_each_pals_period_~side2~1#1;havoc Side2_activestandby_task_each_pals_period_~manual_selection~2#1;havoc Side2_activestandby_task_each_pals_period_~next_state~1#1;Side2_activestandby_task_each_pals_period_~side1~1#1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~side2~1#1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~manual_selection~2#1 := 0;~side2Failed~0 := Side2_activestandby_task_each_pals_period_#t~nondet15#1;havoc Side2_activestandby_task_each_pals_period_#t~nondet15#1;assume { :begin_inline_write_side2_failed_history } true;write_side2_failed_history_#in~val#1 := ~side2Failed~0;havoc write_side2_failed_history_~val#1;write_side2_failed_history_~val#1 := write_side2_failed_history_#in~val#1;~side2Failed_History_2~0 := ~side2Failed_History_1~0;~side2Failed_History_1~0 := ~side2Failed_History_0~0;~side2Failed_History_0~0 := write_side2_failed_history_~val#1; 683#L110 assume { :end_inline_write_side2_failed_history } true; 628#L334 assume 0 != ~side2Failed~0 % 256; 610#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite16#1 := ~s2s1_new~0; 611#L335-2 ~s2s1_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite16#1; 625#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite17#1 := ~s2s2_new~0; 694#L336-2 ~s2s2_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite17#1; 808#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite18#1 := ~s2p_new~0; 741#L337-2 ~s2p_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite18#1;~side2_written~0 := ~nomsg~0; 709#L375 assume { :end_inline_Side2_activestandby_task_each_pals_period } true;assume { :begin_inline_Pendulum_prism_task_each_pals_period } true;havoc Pendulum_prism_task_each_pals_period_#t~ret23#1, Pendulum_prism_task_each_pals_period_~active_side~0#1, Pendulum_prism_task_each_pals_period_~tmp~2#1, Pendulum_prism_task_each_pals_period_~side1~2#1, Pendulum_prism_task_each_pals_period_~side2~2#1;havoc Pendulum_prism_task_each_pals_period_~active_side~0#1;havoc Pendulum_prism_task_each_pals_period_~tmp~2#1;havoc Pendulum_prism_task_each_pals_period_~side1~2#1;havoc Pendulum_prism_task_each_pals_period_~side2~2#1;assume { :begin_inline_read_active_side_history } true;read_active_side_history_#in~index#1 := 0;havoc read_active_side_history_#res#1;havoc read_active_side_history_~index#1;read_active_side_history_~index#1 := read_active_side_history_#in~index#1; 620#L148 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 621#L158 Pendulum_prism_task_each_pals_period_#t~ret23#1 := read_active_side_history_#res#1;assume { :end_inline_read_active_side_history } true;Pendulum_prism_task_each_pals_period_~tmp~2#1 := Pendulum_prism_task_each_pals_period_#t~ret23#1;havoc Pendulum_prism_task_each_pals_period_#t~ret23#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := Pendulum_prism_task_each_pals_period_~tmp~2#1;Pendulum_prism_task_each_pals_period_~side1~2#1 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2#1 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side1~2#1 := ~s1p_old~0;~s1p_old~0 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2#1 := ~s2p_old~0;~s2p_old~0 := ~nomsg~0; 774#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := 1; 585#L408 assume { :begin_inline_write_active_side_history } true;write_active_side_history_#in~val#1 := Pendulum_prism_task_each_pals_period_~active_side~0#1;havoc write_active_side_history_~val#1;write_active_side_history_~val#1 := write_active_side_history_#in~val#1;~active_side_History_2~0 := ~active_side_History_1~0;~active_side_History_1~0 := ~active_side_History_0~0;~active_side_History_0~0 := write_active_side_history_~val#1; 666#L140 assume { :end_inline_write_active_side_history } true; 598#L418 assume { :end_inline_Pendulum_prism_task_each_pals_period } true;~cs1_old~0 := ~cs1_new~0;~cs1_new~0 := ~nomsg~0;~cs2_old~0 := ~cs2_new~0;~cs2_new~0 := ~nomsg~0;~s1s2_old~0 := ~s1s2_new~0;~s1s2_new~0 := ~nomsg~0;~s1s1_old~0 := ~s1s1_new~0;~s1s1_new~0 := ~nomsg~0;~s2s1_old~0 := ~s2s1_new~0;~s2s1_new~0 := ~nomsg~0;~s2s2_old~0 := ~s2s2_new~0;~s2s2_new~0 := ~nomsg~0;~s1p_old~0 := ~s1p_new~0;~s1p_new~0 := ~nomsg~0;~s2p_old~0 := ~s2p_new~0;~s2p_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_#t~ret24#1, check_#t~ret25#1, check_#t~ret26#1, check_#t~ret27#1, check_#t~ret28#1, check_#t~ret29#1, check_#t~ret30#1, check_#t~ret31#1, check_#t~ret32#1, check_#t~ret33#1, check_#t~ret34#1, check_#t~ret35#1, check_#t~ret36#1, check_#t~ret37#1, check_#t~ret38#1, check_#t~ret39#1, check_#t~ret40#1, check_#t~ret41#1, check_#t~ret42#1, check_#t~ret43#1, check_#t~ret44#1, check_~tmp~3#1, check_~tmp___0~0#1, check_~tmp___1~0#1, check_~tmp___2~0#1, check_~tmp___3~0#1, check_~tmp___4~0#1, check_~tmp___5~0#1, check_~tmp___6~0#1, check_~tmp___7~0#1, check_~tmp___8~0#1, check_~tmp___9~0#1, check_~tmp___10~0#1, check_~tmp___11~0#1, check_~tmp___12~0#1, check_~tmp___13~0#1, check_~tmp___14~0#1, check_~tmp___15~0#1, check_~tmp___16~0#1, check_~tmp___17~0#1, check_~tmp___18~0#1, check_~tmp___19~0#1, check_~tmp___20~0#1;havoc check_~tmp~3#1;havoc check_~tmp___0~0#1;havoc check_~tmp___1~0#1;havoc check_~tmp___2~0#1;havoc check_~tmp___3~0#1;havoc check_~tmp___4~0#1;havoc check_~tmp___5~0#1;havoc check_~tmp___6~0#1;havoc check_~tmp___7~0#1;havoc check_~tmp___8~0#1;havoc check_~tmp___9~0#1;havoc check_~tmp___10~0#1;havoc check_~tmp___11~0#1;havoc check_~tmp___12~0#1;havoc check_~tmp___13~0#1;havoc check_~tmp___14~0#1;havoc check_~tmp___15~0#1;havoc check_~tmp___16~0#1;havoc check_~tmp___17~0#1;havoc check_~tmp___18~0#1;havoc check_~tmp___19~0#1;havoc check_~tmp___20~0#1; 599#L447 assume 0 == ~side1Failed~0 % 256;check_~tmp~3#1 := 1; 608#L450-2 assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if 0 == check_~tmp~3#1 then 0 else 1) % 256;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 609#L58-2 assume !(0 == assume_abort_if_not_~cond#1); 600#L57-1 assume { :end_inline_assume_abort_if_not } true;assume { :begin_inline_read_manual_selection_history } true;read_manual_selection_history_#in~index#1 := 1;havoc read_manual_selection_history_#res#1;havoc read_manual_selection_history_~index#1;read_manual_selection_history_~index#1 := read_manual_selection_history_#in~index#1; 601#L178 assume 0 == read_manual_selection_history_~index#1 % 256;read_manual_selection_history_#res#1 := ~manual_selection_History_0~0; 602#L188 check_#t~ret24#1 := read_manual_selection_history_#res#1;assume { :end_inline_read_manual_selection_history } true;check_~tmp___0~0#1 := check_#t~ret24#1;havoc check_#t~ret24#1; 603#L457 assume !(0 == check_~tmp___0~0#1); 570#L457-1 assume { :begin_inline_read_side1_failed_history } true;read_side1_failed_history_#in~index#1 := 1;havoc read_side1_failed_history_#res#1;havoc read_side1_failed_history_~index#1;read_side1_failed_history_~index#1 := read_side1_failed_history_#in~index#1; 593#L88-2 assume 0 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_0~0; 594#L98-2 check_#t~ret29#1 := read_side1_failed_history_#res#1;assume { :end_inline_read_side1_failed_history } true;check_~tmp___7~0#1 := check_#t~ret29#1;havoc check_#t~ret29#1; 777#L487 assume 0 != check_~tmp___7~0#1 % 256;assume { :begin_inline_read_side2_failed_history } true;read_side2_failed_history_#in~index#1 := 1;havoc read_side2_failed_history_#res#1;havoc read_side2_failed_history_~index#1;read_side2_failed_history_~index#1 := read_side2_failed_history_#in~index#1; 667#L118-2 assume 0 == read_side2_failed_history_~index#1 % 256;read_side2_failed_history_#res#1 := ~side2Failed_History_0~0; 668#L128-2 check_#t~ret30#1 := read_side2_failed_history_#res#1;assume { :end_inline_read_side2_failed_history } true;check_~tmp___8~0#1 := check_#t~ret30#1;havoc check_#t~ret30#1; 815#L489 assume 0 == check_~tmp___8~0#1 % 256;assume { :begin_inline_read_active_side_history } true;read_active_side_history_#in~index#1 := 0;havoc read_active_side_history_#res#1;havoc read_active_side_history_~index#1;read_active_side_history_~index#1 := read_active_side_history_#in~index#1; 814#L148-1 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 717#L158-1 check_#t~ret31#1 := read_active_side_history_#res#1;assume { :end_inline_read_active_side_history } true;check_~tmp___5~0#1 := check_#t~ret31#1;havoc check_#t~ret31#1; 576#L491 assume !(2 == check_~tmp___5~0#1);check_#res#1 := 0; 577#L537 main_#t~ret62#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret62#1;havoc main_#t~ret62#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 701#L616-44 assume !(0 == assert_~arg#1 % 256); 812#L611-22 assume { :end_inline_assert } true; 759#L582-2 [2021-12-28 09:45:56,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:45:56,752 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 1 times [2021-12-28 09:45:56,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:45:56,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741503460] [2021-12-28 09:45:56,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:45:56,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:45:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:45:56,791 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:45:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:45:56,834 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:45:56,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:45:56,837 INFO L85 PathProgramCache]: Analyzing trace with hash -2029646484, now seen corresponding path program 1 times [2021-12-28 09:45:56,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:45:56,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412169154] [2021-12-28 09:45:56,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:45:56,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:45:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:45:56,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:45:56,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:45:56,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412169154] [2021-12-28 09:45:56,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412169154] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:45:56,905 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:45:56,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 09:45:56,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072899606] [2021-12-28 09:45:56,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:45:56,906 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-28 09:45:56,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:45:56,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 09:45:56,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 09:45:56,907 INFO L87 Difference]: Start difference. First operand 251 states and 375 transitions. cyclomatic complexity: 125 Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:45:56,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:45:56,935 INFO L93 Difference]: Finished difference Result 461 states and 696 transitions. [2021-12-28 09:45:56,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 09:45:56,936 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 461 states and 696 transitions. [2021-12-28 09:45:56,939 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 444 [2021-12-28 09:45:56,942 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 461 states to 461 states and 696 transitions. [2021-12-28 09:45:56,942 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 461 [2021-12-28 09:45:56,942 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 461 [2021-12-28 09:45:56,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 461 states and 696 transitions. [2021-12-28 09:45:56,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:45:56,944 INFO L681 BuchiCegarLoop]: Abstraction has 461 states and 696 transitions. [2021-12-28 09:45:56,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states and 696 transitions. [2021-12-28 09:45:56,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 292. [2021-12-28 09:45:56,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 292 states have (on average 1.4931506849315068) internal successors, (436), 291 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:45:56,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 436 transitions. [2021-12-28 09:45:56,958 INFO L704 BuchiCegarLoop]: Abstraction has 292 states and 436 transitions. [2021-12-28 09:45:56,958 INFO L587 BuchiCegarLoop]: Abstraction has 292 states and 436 transitions. [2021-12-28 09:45:56,958 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-28 09:45:56,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 292 states and 436 transitions. [2021-12-28 09:45:56,960 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 275 [2021-12-28 09:45:56,960 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:45:56,960 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:45:56,961 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:45:56,961 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-28 09:45:56,961 INFO L791 eck$LassoCheckResult]: Stem: 1550#ULTIMATE.startENTRY 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(52, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~cs1~0 := 0;~cs1_old~0 := 0;~cs1_new~0 := 0;~cs2~0 := 0;~cs2_old~0 := 0;~cs2_new~0 := 0;~s1s2~0 := 0;~s1s2_old~0 := 0;~s1s2_new~0 := 0;~s1s1~0 := 0;~s1s1_old~0 := 0;~s1s1_new~0 := 0;~s2s1~0 := 0;~s2s1_old~0 := 0;~s2s1_new~0 := 0;~s2s2~0 := 0;~s2s2_old~0 := 0;~s2s2_new~0 := 0;~s1p~0 := 0;~s1p_old~0 := 0;~s1p_new~0 := 0;~s2p~0 := 0;~s2p_old~0 := 0;~s2p_new~0 := 0;~side1Failed~0 := 0;~side2Failed~0 := 0;~side1_written~0 := 0;~side2_written~0 := 0;~side1Failed_History_0~0 := 0;~side1Failed_History_1~0 := 0;~side1Failed_History_2~0 := 0;~side2Failed_History_0~0 := 0;~side2Failed_History_1~0 := 0;~side2Failed_History_2~0 := 0;~active_side_History_0~0 := 0;~active_side_History_1~0 := 0;~active_side_History_2~0 := 0;~manual_selection_History_0~0 := 0;~manual_selection_History_1~0 := 0;~manual_selection_History_2~0 := 0; 1520#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~nondet56#1, main_#t~nondet57#1, main_#t~nondet58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~ret61#1, main_#t~ret62#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~side1Failed~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~side2Failed~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~side1_written~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;~side2_written~0 := main_#t~nondet48#1;havoc main_#t~nondet48#1;~side1Failed_History_0~0 := main_#t~nondet49#1;havoc main_#t~nondet49#1;~side1Failed_History_1~0 := main_#t~nondet50#1;havoc main_#t~nondet50#1;~side1Failed_History_2~0 := main_#t~nondet51#1;havoc main_#t~nondet51#1;~side2Failed_History_0~0 := main_#t~nondet52#1;havoc main_#t~nondet52#1;~side2Failed_History_1~0 := main_#t~nondet53#1;havoc main_#t~nondet53#1;~side2Failed_History_2~0 := main_#t~nondet54#1;havoc main_#t~nondet54#1;~active_side_History_0~0 := main_#t~nondet55#1;havoc main_#t~nondet55#1;~active_side_History_1~0 := main_#t~nondet56#1;havoc main_#t~nondet56#1;~active_side_History_2~0 := main_#t~nondet57#1;havoc main_#t~nondet57#1;~manual_selection_History_0~0 := main_#t~nondet58#1;havoc main_#t~nondet58#1;~manual_selection_History_1~0 := main_#t~nondet59#1;havoc main_#t~nondet59#1;~manual_selection_History_2~0 := main_#t~nondet60#1;havoc main_#t~nondet60#1;assume { :begin_inline_init } true;havoc init_#res#1; 1404#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 1405#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 1333#L203 assume !(-2 != ~active_side_History_0~0); 1334#L206 assume !(0 != ~manual_selection_History_0~0); 1353#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 1534#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 1475#L215 assume !(-2 != ~active_side_History_1~0); 1476#L218 assume !(0 != ~manual_selection_History_1~0); 1521#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 1538#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 1438#L227 assume !(-2 != ~active_side_History_2~0); 1439#L230 assume !(0 != ~manual_selection_History_2~0);init_#res#1 := 1; 1397#L233 main_#t~ret61#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret61#1;havoc main_#t~ret61#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 1398#L58 assume !(0 == assume_abort_if_not_~cond#1); 1478#L57 assume { :end_inline_assume_abort_if_not } true;~cs1_old~0 := ~nomsg~0;~cs1_new~0 := ~nomsg~0;~cs2_old~0 := ~nomsg~0;~cs2_new~0 := ~nomsg~0;~s1s2_old~0 := ~nomsg~0;~s1s2_new~0 := ~nomsg~0;~s1s1_old~0 := ~nomsg~0;~s1s1_new~0 := ~nomsg~0;~s2s1_old~0 := ~nomsg~0;~s2s1_new~0 := ~nomsg~0;~s2s2_old~0 := ~nomsg~0;~s2s2_new~0 := ~nomsg~0;~s1p_old~0 := ~nomsg~0;~s1p_new~0 := ~nomsg~0;~s2p_old~0 := ~nomsg~0;~s2p_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 1479#L582-2 [2021-12-28 09:45:56,962 INFO L793 eck$LassoCheckResult]: Loop: 1479#L582-2 assume !false;assume { :begin_inline_Console_task_each_pals_period } true;havoc Console_task_each_pals_period_#t~nondet4#1, Console_task_each_pals_period_#t~ite5#1, Console_task_each_pals_period_#t~ite6#1, Console_task_each_pals_period_~manual_selection~0#1, Console_task_each_pals_period_~tmp~1#1;havoc Console_task_each_pals_period_~manual_selection~0#1;havoc Console_task_each_pals_period_~tmp~1#1;Console_task_each_pals_period_~tmp~1#1 := Console_task_each_pals_period_#t~nondet4#1;havoc Console_task_each_pals_period_#t~nondet4#1;Console_task_each_pals_period_~manual_selection~0#1 := Console_task_each_pals_period_~tmp~1#1;assume { :begin_inline_write_manual_selection_history } true;write_manual_selection_history_#in~val#1 := Console_task_each_pals_period_~manual_selection~0#1;havoc write_manual_selection_history_~val#1;write_manual_selection_history_~val#1 := write_manual_selection_history_#in~val#1;~manual_selection_History_2~0 := ~manual_selection_History_1~0;~manual_selection_History_1~0 := ~manual_selection_History_0~0;~manual_selection_History_0~0 := write_manual_selection_history_~val#1; 1509#L170 assume { :end_inline_write_manual_selection_history } true; 1510#L258 assume Console_task_each_pals_period_~manual_selection~0#1 != ~nomsg~0 && ~cs1_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite5#1 := Console_task_each_pals_period_~manual_selection~0#1; 1511#L258-2 ~cs1_new~0 := (if Console_task_each_pals_period_#t~ite5#1 % 256 <= 127 then Console_task_each_pals_period_#t~ite5#1 % 256 else Console_task_each_pals_period_#t~ite5#1 % 256 - 256);havoc Console_task_each_pals_period_#t~ite5#1; 1531#L259 assume Console_task_each_pals_period_~manual_selection~0#1 != ~nomsg~0 && ~cs2_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite6#1 := Console_task_each_pals_period_~manual_selection~0#1; 1532#L259-2 ~cs2_new~0 := (if Console_task_each_pals_period_#t~ite6#1 % 256 <= 127 then Console_task_each_pals_period_#t~ite6#1 % 256 else Console_task_each_pals_period_#t~ite6#1 % 256 - 256);havoc Console_task_each_pals_period_#t~ite6#1;Console_task_each_pals_period_~manual_selection~0#1 := 0; 1483#L261 assume { :end_inline_Console_task_each_pals_period } true;assume { :begin_inline_Side1_activestandby_task_each_pals_period } true;havoc Side1_activestandby_task_each_pals_period_#t~nondet7#1, Side1_activestandby_task_each_pals_period_#t~ite8#1, Side1_activestandby_task_each_pals_period_#t~ite9#1, Side1_activestandby_task_each_pals_period_#t~ite10#1, Side1_activestandby_task_each_pals_period_#t~ret11#1, Side1_activestandby_task_each_pals_period_#t~ite12#1, Side1_activestandby_task_each_pals_period_#t~ite13#1, Side1_activestandby_task_each_pals_period_#t~ite14#1, Side1_activestandby_task_each_pals_period_~side1~0#1, Side1_activestandby_task_each_pals_period_~side2~0#1, Side1_activestandby_task_each_pals_period_~manual_selection~1#1, Side1_activestandby_task_each_pals_period_~next_state~0#1;havoc Side1_activestandby_task_each_pals_period_~side1~0#1;havoc Side1_activestandby_task_each_pals_period_~side2~0#1;havoc Side1_activestandby_task_each_pals_period_~manual_selection~1#1;havoc Side1_activestandby_task_each_pals_period_~next_state~0#1;Side1_activestandby_task_each_pals_period_~side1~0#1 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0#1 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1#1 := 0;~side1Failed~0 := Side1_activestandby_task_each_pals_period_#t~nondet7#1;havoc Side1_activestandby_task_each_pals_period_#t~nondet7#1;assume { :begin_inline_write_side1_failed_history } true;write_side1_failed_history_#in~val#1 := ~side1Failed~0;havoc write_side1_failed_history_~val#1;write_side1_failed_history_~val#1 := write_side1_failed_history_#in~val#1;~side1Failed_History_2~0 := ~side1Failed_History_1~0;~side1Failed_History_1~0 := ~side1Failed_History_0~0;~side1Failed_History_0~0 := write_side1_failed_history_~val#1; 1484#L80 assume { :end_inline_write_side1_failed_history } true; 1466#L277 assume 0 != ~side1Failed~0 % 256; 1467#L278 assume !(~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite8#1 := ~s1s1_new~0; 1480#L278-2 ~s1s1_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite8#1; 1381#L279 assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite9#1 := ~s1s2_new~0; 1344#L279-2 ~s1s2_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite9#1; 1345#L280 assume !(~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite10#1 := ~s1p_new~0; 1446#L280-2 ~s1p_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite10#1;~side1_written~0 := ~nomsg~0; 1447#L318 assume { :end_inline_Side1_activestandby_task_each_pals_period } true;assume { :begin_inline_Side2_activestandby_task_each_pals_period } true;havoc Side2_activestandby_task_each_pals_period_#t~nondet15#1, Side2_activestandby_task_each_pals_period_#t~ite16#1, Side2_activestandby_task_each_pals_period_#t~ite17#1, Side2_activestandby_task_each_pals_period_#t~ite18#1, Side2_activestandby_task_each_pals_period_#t~ret19#1, Side2_activestandby_task_each_pals_period_#t~ite20#1, Side2_activestandby_task_each_pals_period_#t~ite21#1, Side2_activestandby_task_each_pals_period_#t~ite22#1, Side2_activestandby_task_each_pals_period_~side1~1#1, Side2_activestandby_task_each_pals_period_~side2~1#1, Side2_activestandby_task_each_pals_period_~manual_selection~2#1, Side2_activestandby_task_each_pals_period_~next_state~1#1;havoc Side2_activestandby_task_each_pals_period_~side1~1#1;havoc Side2_activestandby_task_each_pals_period_~side2~1#1;havoc Side2_activestandby_task_each_pals_period_~manual_selection~2#1;havoc Side2_activestandby_task_each_pals_period_~next_state~1#1;Side2_activestandby_task_each_pals_period_~side1~1#1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~side2~1#1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~manual_selection~2#1 := 0;~side2Failed~0 := Side2_activestandby_task_each_pals_period_#t~nondet15#1;havoc Side2_activestandby_task_each_pals_period_#t~nondet15#1;assume { :begin_inline_write_side2_failed_history } true;write_side2_failed_history_#in~val#1 := ~side2Failed~0;havoc write_side2_failed_history_~val#1;write_side2_failed_history_~val#1 := write_side2_failed_history_#in~val#1;~side2Failed_History_2~0 := ~side2Failed_History_1~0;~side2Failed_History_1~0 := ~side2Failed_History_0~0;~side2Failed_History_0~0 := write_side2_failed_history_~val#1; 1402#L110 assume { :end_inline_write_side2_failed_history } true; 1347#L334 assume 0 != ~side2Failed~0 % 256; 1348#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite16#1 := ~s2s1_new~0; 1564#L335-2 ~s2s1_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite16#1; 1563#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite17#1 := ~s2s2_new~0; 1539#L336-2 ~s2s2_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite17#1; 1540#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite18#1 := ~s2p_new~0; 1561#L337-2 ~s2p_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite18#1;~side2_written~0 := ~nomsg~0; 1494#L375 assume { :end_inline_Side2_activestandby_task_each_pals_period } true;assume { :begin_inline_Pendulum_prism_task_each_pals_period } true;havoc Pendulum_prism_task_each_pals_period_#t~ret23#1, Pendulum_prism_task_each_pals_period_~active_side~0#1, Pendulum_prism_task_each_pals_period_~tmp~2#1, Pendulum_prism_task_each_pals_period_~side1~2#1, Pendulum_prism_task_each_pals_period_~side2~2#1;havoc Pendulum_prism_task_each_pals_period_~active_side~0#1;havoc Pendulum_prism_task_each_pals_period_~tmp~2#1;havoc Pendulum_prism_task_each_pals_period_~side1~2#1;havoc Pendulum_prism_task_each_pals_period_~side2~2#1;assume { :begin_inline_read_active_side_history } true;read_active_side_history_#in~index#1 := 0;havoc read_active_side_history_#res#1;havoc read_active_side_history_~index#1;read_active_side_history_~index#1 := read_active_side_history_#in~index#1; 1338#L148 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 1339#L158 Pendulum_prism_task_each_pals_period_#t~ret23#1 := read_active_side_history_#res#1;assume { :end_inline_read_active_side_history } true;Pendulum_prism_task_each_pals_period_~tmp~2#1 := Pendulum_prism_task_each_pals_period_#t~ret23#1;havoc Pendulum_prism_task_each_pals_period_#t~ret23#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := Pendulum_prism_task_each_pals_period_~tmp~2#1;Pendulum_prism_task_each_pals_period_~side1~2#1 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2#1 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side1~2#1 := ~s1p_old~0;~s1p_old~0 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2#1 := ~s2p_old~0;~s2p_old~0 := ~nomsg~0; 1495#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := 1; 1303#L408 assume { :begin_inline_write_active_side_history } true;write_active_side_history_#in~val#1 := Pendulum_prism_task_each_pals_period_~active_side~0#1;havoc write_active_side_history_~val#1;write_active_side_history_~val#1 := write_active_side_history_#in~val#1;~active_side_History_2~0 := ~active_side_History_1~0;~active_side_History_1~0 := ~active_side_History_0~0;~active_side_History_0~0 := write_active_side_history_~val#1; 1547#L140 assume { :end_inline_write_active_side_history } true; 1551#L418 assume { :end_inline_Pendulum_prism_task_each_pals_period } true;~cs1_old~0 := ~cs1_new~0;~cs1_new~0 := ~nomsg~0;~cs2_old~0 := ~cs2_new~0;~cs2_new~0 := ~nomsg~0;~s1s2_old~0 := ~s1s2_new~0;~s1s2_new~0 := ~nomsg~0;~s1s1_old~0 := ~s1s1_new~0;~s1s1_new~0 := ~nomsg~0;~s2s1_old~0 := ~s2s1_new~0;~s2s1_new~0 := ~nomsg~0;~s2s2_old~0 := ~s2s2_new~0;~s2s2_new~0 := ~nomsg~0;~s1p_old~0 := ~s1p_new~0;~s1p_new~0 := ~nomsg~0;~s2p_old~0 := ~s2p_new~0;~s2p_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_#t~ret24#1, check_#t~ret25#1, check_#t~ret26#1, check_#t~ret27#1, check_#t~ret28#1, check_#t~ret29#1, check_#t~ret30#1, check_#t~ret31#1, check_#t~ret32#1, check_#t~ret33#1, check_#t~ret34#1, check_#t~ret35#1, check_#t~ret36#1, check_#t~ret37#1, check_#t~ret38#1, check_#t~ret39#1, check_#t~ret40#1, check_#t~ret41#1, check_#t~ret42#1, check_#t~ret43#1, check_#t~ret44#1, check_~tmp~3#1, check_~tmp___0~0#1, check_~tmp___1~0#1, check_~tmp___2~0#1, check_~tmp___3~0#1, check_~tmp___4~0#1, check_~tmp___5~0#1, check_~tmp___6~0#1, check_~tmp___7~0#1, check_~tmp___8~0#1, check_~tmp___9~0#1, check_~tmp___10~0#1, check_~tmp___11~0#1, check_~tmp___12~0#1, check_~tmp___13~0#1, check_~tmp___14~0#1, check_~tmp___15~0#1, check_~tmp___16~0#1, check_~tmp___17~0#1, check_~tmp___18~0#1, check_~tmp___19~0#1, check_~tmp___20~0#1;havoc check_~tmp~3#1;havoc check_~tmp___0~0#1;havoc check_~tmp___1~0#1;havoc check_~tmp___2~0#1;havoc check_~tmp___3~0#1;havoc check_~tmp___4~0#1;havoc check_~tmp___5~0#1;havoc check_~tmp___6~0#1;havoc check_~tmp___7~0#1;havoc check_~tmp___8~0#1;havoc check_~tmp___9~0#1;havoc check_~tmp___10~0#1;havoc check_~tmp___11~0#1;havoc check_~tmp___12~0#1;havoc check_~tmp___13~0#1;havoc check_~tmp___14~0#1;havoc check_~tmp___15~0#1;havoc check_~tmp___16~0#1;havoc check_~tmp___17~0#1;havoc check_~tmp___18~0#1;havoc check_~tmp___19~0#1;havoc check_~tmp___20~0#1; 1507#L447 assume !(0 == ~side1Failed~0 % 256); 1432#L450 assume 0 == ~side2Failed~0 % 256;check_~tmp~3#1 := 1; 1326#L450-2 assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if 0 == check_~tmp~3#1 then 0 else 1) % 256;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 1327#L58-2 assume !(0 == assume_abort_if_not_~cond#1); 1318#L57-1 assume { :end_inline_assume_abort_if_not } true;assume { :begin_inline_read_manual_selection_history } true;read_manual_selection_history_#in~index#1 := 1;havoc read_manual_selection_history_#res#1;havoc read_manual_selection_history_~index#1;read_manual_selection_history_~index#1 := read_manual_selection_history_#in~index#1; 1319#L178 assume 0 == read_manual_selection_history_~index#1 % 256;read_manual_selection_history_#res#1 := ~manual_selection_History_0~0; 1320#L188 check_#t~ret24#1 := read_manual_selection_history_#res#1;assume { :end_inline_read_manual_selection_history } true;check_~tmp___0~0#1 := check_#t~ret24#1;havoc check_#t~ret24#1; 1321#L457 assume !(0 == check_~tmp___0~0#1); 1288#L457-1 assume { :begin_inline_read_side1_failed_history } true;read_side1_failed_history_#in~index#1 := 1;havoc read_side1_failed_history_#res#1;havoc read_side1_failed_history_~index#1;read_side1_failed_history_~index#1 := read_side1_failed_history_#in~index#1; 1311#L88-2 assume 0 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_0~0; 1312#L98-2 check_#t~ret29#1 := read_side1_failed_history_#res#1;assume { :end_inline_read_side1_failed_history } true;check_~tmp___7~0#1 := check_#t~ret29#1;havoc check_#t~ret29#1; 1500#L487 assume 0 != check_~tmp___7~0#1 % 256;assume { :begin_inline_read_side2_failed_history } true;read_side2_failed_history_#in~index#1 := 1;havoc read_side2_failed_history_#res#1;havoc read_side2_failed_history_~index#1;read_side2_failed_history_~index#1 := read_side2_failed_history_#in~index#1; 1386#L118-2 assume 0 == read_side2_failed_history_~index#1 % 256;read_side2_failed_history_#res#1 := ~side2Failed_History_0~0; 1387#L128-2 check_#t~ret30#1 := read_side2_failed_history_#res#1;assume { :end_inline_read_side2_failed_history } true;check_~tmp___8~0#1 := check_#t~ret30#1;havoc check_#t~ret30#1; 1549#L489 assume 0 == check_~tmp___8~0#1 % 256;assume { :begin_inline_read_active_side_history } true;read_active_side_history_#in~index#1 := 0;havoc read_active_side_history_#res#1;havoc read_active_side_history_~index#1;read_active_side_history_~index#1 := read_active_side_history_#in~index#1; 1548#L148-1 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 1436#L158-1 check_#t~ret31#1 := read_active_side_history_#res#1;assume { :end_inline_read_active_side_history } true;check_~tmp___5~0#1 := check_#t~ret31#1;havoc check_#t~ret31#1; 1292#L491 assume !(2 == check_~tmp___5~0#1);check_#res#1 := 0; 1293#L537 main_#t~ret62#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret62#1;havoc main_#t~ret62#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 1420#L616-44 assume !(0 == assert_~arg#1 % 256); 1543#L611-22 assume { :end_inline_assert } true; 1479#L582-2 [2021-12-28 09:45:56,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:45:56,963 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 2 times [2021-12-28 09:45:56,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:45:56,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858910343] [2021-12-28 09:45:56,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:45:56,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:45:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:45:56,981 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:45:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:45:57,022 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:45:57,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:45:57,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1608144017, now seen corresponding path program 1 times [2021-12-28 09:45:57,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:45:57,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197232934] [2021-12-28 09:45:57,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:45:57,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:45:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:45:57,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:45:57,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:45:57,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197232934] [2021-12-28 09:45:57,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197232934] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:45:57,066 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:45:57,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 09:45:57,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612402285] [2021-12-28 09:45:57,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:45:57,067 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-28 09:45:57,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:45:57,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 09:45:57,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 09:45:57,068 INFO L87 Difference]: Start difference. First operand 292 states and 436 transitions. cyclomatic complexity: 145 Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:45:57,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:45:57,086 INFO L93 Difference]: Finished difference Result 521 states and 786 transitions. [2021-12-28 09:45:57,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 09:45:57,087 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 521 states and 786 transitions. [2021-12-28 09:45:57,089 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 504 [2021-12-28 09:45:57,095 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 521 states to 521 states and 786 transitions. [2021-12-28 09:45:57,096 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 521 [2021-12-28 09:45:57,096 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 521 [2021-12-28 09:45:57,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 521 states and 786 transitions. [2021-12-28 09:45:57,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:45:57,098 INFO L681 BuchiCegarLoop]: Abstraction has 521 states and 786 transitions. [2021-12-28 09:45:57,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states and 786 transitions. [2021-12-28 09:45:57,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 327. [2021-12-28 09:45:57,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 327 states have (on average 1.4984709480122325) internal successors, (490), 326 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:45:57,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 490 transitions. [2021-12-28 09:45:57,111 INFO L704 BuchiCegarLoop]: Abstraction has 327 states and 490 transitions. [2021-12-28 09:45:57,111 INFO L587 BuchiCegarLoop]: Abstraction has 327 states and 490 transitions. [2021-12-28 09:45:57,111 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-28 09:45:57,111 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 327 states and 490 transitions. [2021-12-28 09:45:57,113 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 310 [2021-12-28 09:45:57,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:45:57,113 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:45:57,114 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:45:57,119 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-28 09:45:57,119 INFO L791 eck$LassoCheckResult]: Stem: 2363#ULTIMATE.startENTRY 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(52, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~cs1~0 := 0;~cs1_old~0 := 0;~cs1_new~0 := 0;~cs2~0 := 0;~cs2_old~0 := 0;~cs2_new~0 := 0;~s1s2~0 := 0;~s1s2_old~0 := 0;~s1s2_new~0 := 0;~s1s1~0 := 0;~s1s1_old~0 := 0;~s1s1_new~0 := 0;~s2s1~0 := 0;~s2s1_old~0 := 0;~s2s1_new~0 := 0;~s2s2~0 := 0;~s2s2_old~0 := 0;~s2s2_new~0 := 0;~s1p~0 := 0;~s1p_old~0 := 0;~s1p_new~0 := 0;~s2p~0 := 0;~s2p_old~0 := 0;~s2p_new~0 := 0;~side1Failed~0 := 0;~side2Failed~0 := 0;~side1_written~0 := 0;~side2_written~0 := 0;~side1Failed_History_0~0 := 0;~side1Failed_History_1~0 := 0;~side1Failed_History_2~0 := 0;~side2Failed_History_0~0 := 0;~side2Failed_History_1~0 := 0;~side2Failed_History_2~0 := 0;~active_side_History_0~0 := 0;~active_side_History_1~0 := 0;~active_side_History_2~0 := 0;~manual_selection_History_0~0 := 0;~manual_selection_History_1~0 := 0;~manual_selection_History_2~0 := 0; 2337#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~nondet56#1, main_#t~nondet57#1, main_#t~nondet58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~ret61#1, main_#t~ret62#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~side1Failed~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~side2Failed~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~side1_written~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;~side2_written~0 := main_#t~nondet48#1;havoc main_#t~nondet48#1;~side1Failed_History_0~0 := main_#t~nondet49#1;havoc main_#t~nondet49#1;~side1Failed_History_1~0 := main_#t~nondet50#1;havoc main_#t~nondet50#1;~side1Failed_History_2~0 := main_#t~nondet51#1;havoc main_#t~nondet51#1;~side2Failed_History_0~0 := main_#t~nondet52#1;havoc main_#t~nondet52#1;~side2Failed_History_1~0 := main_#t~nondet53#1;havoc main_#t~nondet53#1;~side2Failed_History_2~0 := main_#t~nondet54#1;havoc main_#t~nondet54#1;~active_side_History_0~0 := main_#t~nondet55#1;havoc main_#t~nondet55#1;~active_side_History_1~0 := main_#t~nondet56#1;havoc main_#t~nondet56#1;~active_side_History_2~0 := main_#t~nondet57#1;havoc main_#t~nondet57#1;~manual_selection_History_0~0 := main_#t~nondet58#1;havoc main_#t~nondet58#1;~manual_selection_History_1~0 := main_#t~nondet59#1;havoc main_#t~nondet59#1;~manual_selection_History_2~0 := main_#t~nondet60#1;havoc main_#t~nondet60#1;assume { :begin_inline_init } true;havoc init_#res#1; 2222#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 2223#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 2152#L203 assume !(-2 != ~active_side_History_0~0); 2153#L206 assume !(0 != ~manual_selection_History_0~0); 2171#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 2352#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 2297#L215 assume !(-2 != ~active_side_History_1~0); 2298#L218 assume !(0 != ~manual_selection_History_1~0); 2339#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 2356#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 2258#L227 assume !(-2 != ~active_side_History_2~0); 2259#L230 assume !(0 != ~manual_selection_History_2~0);init_#res#1 := 1; 2212#L233 main_#t~ret61#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret61#1;havoc main_#t~ret61#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 2213#L58 assume !(0 == assume_abort_if_not_~cond#1); 2299#L57 assume { :end_inline_assume_abort_if_not } true;~cs1_old~0 := ~nomsg~0;~cs1_new~0 := ~nomsg~0;~cs2_old~0 := ~nomsg~0;~cs2_new~0 := ~nomsg~0;~s1s2_old~0 := ~nomsg~0;~s1s2_new~0 := ~nomsg~0;~s1s1_old~0 := ~nomsg~0;~s1s1_new~0 := ~nomsg~0;~s2s1_old~0 := ~nomsg~0;~s2s1_new~0 := ~nomsg~0;~s2s2_old~0 := ~nomsg~0;~s2s2_new~0 := ~nomsg~0;~s1p_old~0 := ~nomsg~0;~s1p_new~0 := ~nomsg~0;~s2p_old~0 := ~nomsg~0;~s2p_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 2300#L582-2 [2021-12-28 09:45:57,120 INFO L793 eck$LassoCheckResult]: Loop: 2300#L582-2 assume !false;assume { :begin_inline_Console_task_each_pals_period } true;havoc Console_task_each_pals_period_#t~nondet4#1, Console_task_each_pals_period_#t~ite5#1, Console_task_each_pals_period_#t~ite6#1, Console_task_each_pals_period_~manual_selection~0#1, Console_task_each_pals_period_~tmp~1#1;havoc Console_task_each_pals_period_~manual_selection~0#1;havoc Console_task_each_pals_period_~tmp~1#1;Console_task_each_pals_period_~tmp~1#1 := Console_task_each_pals_period_#t~nondet4#1;havoc Console_task_each_pals_period_#t~nondet4#1;Console_task_each_pals_period_~manual_selection~0#1 := Console_task_each_pals_period_~tmp~1#1;assume { :begin_inline_write_manual_selection_history } true;write_manual_selection_history_#in~val#1 := Console_task_each_pals_period_~manual_selection~0#1;havoc write_manual_selection_history_~val#1;write_manual_selection_history_~val#1 := write_manual_selection_history_#in~val#1;~manual_selection_History_2~0 := ~manual_selection_History_1~0;~manual_selection_History_1~0 := ~manual_selection_History_0~0;~manual_selection_History_0~0 := write_manual_selection_history_~val#1; 2329#L170 assume { :end_inline_write_manual_selection_history } true; 2330#L258 assume Console_task_each_pals_period_~manual_selection~0#1 != ~nomsg~0 && ~cs1_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite5#1 := Console_task_each_pals_period_~manual_selection~0#1; 2331#L258-2 ~cs1_new~0 := (if Console_task_each_pals_period_#t~ite5#1 % 256 <= 127 then Console_task_each_pals_period_#t~ite5#1 % 256 else Console_task_each_pals_period_#t~ite5#1 % 256 - 256);havoc Console_task_each_pals_period_#t~ite5#1; 2349#L259 assume Console_task_each_pals_period_~manual_selection~0#1 != ~nomsg~0 && ~cs2_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite6#1 := Console_task_each_pals_period_~manual_selection~0#1; 2350#L259-2 ~cs2_new~0 := (if Console_task_each_pals_period_#t~ite6#1 % 256 <= 127 then Console_task_each_pals_period_#t~ite6#1 % 256 else Console_task_each_pals_period_#t~ite6#1 % 256 - 256);havoc Console_task_each_pals_period_#t~ite6#1;Console_task_each_pals_period_~manual_selection~0#1 := 0; 2304#L261 assume { :end_inline_Console_task_each_pals_period } true;assume { :begin_inline_Side1_activestandby_task_each_pals_period } true;havoc Side1_activestandby_task_each_pals_period_#t~nondet7#1, Side1_activestandby_task_each_pals_period_#t~ite8#1, Side1_activestandby_task_each_pals_period_#t~ite9#1, Side1_activestandby_task_each_pals_period_#t~ite10#1, Side1_activestandby_task_each_pals_period_#t~ret11#1, Side1_activestandby_task_each_pals_period_#t~ite12#1, Side1_activestandby_task_each_pals_period_#t~ite13#1, Side1_activestandby_task_each_pals_period_#t~ite14#1, Side1_activestandby_task_each_pals_period_~side1~0#1, Side1_activestandby_task_each_pals_period_~side2~0#1, Side1_activestandby_task_each_pals_period_~manual_selection~1#1, Side1_activestandby_task_each_pals_period_~next_state~0#1;havoc Side1_activestandby_task_each_pals_period_~side1~0#1;havoc Side1_activestandby_task_each_pals_period_~side2~0#1;havoc Side1_activestandby_task_each_pals_period_~manual_selection~1#1;havoc Side1_activestandby_task_each_pals_period_~next_state~0#1;Side1_activestandby_task_each_pals_period_~side1~0#1 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0#1 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1#1 := 0;~side1Failed~0 := Side1_activestandby_task_each_pals_period_#t~nondet7#1;havoc Side1_activestandby_task_each_pals_period_#t~nondet7#1;assume { :begin_inline_write_side1_failed_history } true;write_side1_failed_history_#in~val#1 := ~side1Failed~0;havoc write_side1_failed_history_~val#1;write_side1_failed_history_~val#1 := write_side1_failed_history_#in~val#1;~side1Failed_History_2~0 := ~side1Failed_History_1~0;~side1Failed_History_1~0 := ~side1Failed_History_0~0;~side1Failed_History_0~0 := write_side1_failed_history_~val#1; 2305#L80 assume { :end_inline_write_side1_failed_history } true; 2288#L277 assume 0 != ~side1Failed~0 % 256; 2289#L278 assume !(~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite8#1 := ~s1s1_new~0; 2302#L278-2 ~s1s1_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite8#1; 2197#L279 assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite9#1 := ~s1s2_new~0; 2163#L279-2 ~s1s2_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite9#1; 2164#L280 assume !(~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite10#1 := ~s1p_new~0; 2266#L280-2 ~s1p_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite10#1;~side1_written~0 := ~nomsg~0; 2267#L318 assume { :end_inline_Side1_activestandby_task_each_pals_period } true;assume { :begin_inline_Side2_activestandby_task_each_pals_period } true;havoc Side2_activestandby_task_each_pals_period_#t~nondet15#1, Side2_activestandby_task_each_pals_period_#t~ite16#1, Side2_activestandby_task_each_pals_period_#t~ite17#1, Side2_activestandby_task_each_pals_period_#t~ite18#1, Side2_activestandby_task_each_pals_period_#t~ret19#1, Side2_activestandby_task_each_pals_period_#t~ite20#1, Side2_activestandby_task_each_pals_period_#t~ite21#1, Side2_activestandby_task_each_pals_period_#t~ite22#1, Side2_activestandby_task_each_pals_period_~side1~1#1, Side2_activestandby_task_each_pals_period_~side2~1#1, Side2_activestandby_task_each_pals_period_~manual_selection~2#1, Side2_activestandby_task_each_pals_period_~next_state~1#1;havoc Side2_activestandby_task_each_pals_period_~side1~1#1;havoc Side2_activestandby_task_each_pals_period_~side2~1#1;havoc Side2_activestandby_task_each_pals_period_~manual_selection~2#1;havoc Side2_activestandby_task_each_pals_period_~next_state~1#1;Side2_activestandby_task_each_pals_period_~side1~1#1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~side2~1#1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~manual_selection~2#1 := 0;~side2Failed~0 := Side2_activestandby_task_each_pals_period_#t~nondet15#1;havoc Side2_activestandby_task_each_pals_period_#t~nondet15#1;assume { :begin_inline_write_side2_failed_history } true;write_side2_failed_history_#in~val#1 := ~side2Failed~0;havoc write_side2_failed_history_~val#1;write_side2_failed_history_~val#1 := write_side2_failed_history_#in~val#1;~side2Failed_History_2~0 := ~side2Failed_History_1~0;~side2Failed_History_1~0 := ~side2Failed_History_0~0;~side2Failed_History_0~0 := write_side2_failed_history_~val#1; 2423#L110 assume { :end_inline_write_side2_failed_history } true; 2422#L334 assume 0 != ~side2Failed~0 % 256; 2421#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite16#1 := ~s2s1_new~0; 2420#L335-2 ~s2s1_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite16#1; 2419#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite17#1 := ~s2s2_new~0; 2418#L336-2 ~s2s2_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite17#1; 2417#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite18#1 := ~s2p_new~0; 2416#L337-2 ~s2p_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite18#1;~side2_written~0 := ~nomsg~0; 2415#L375 assume { :end_inline_Side2_activestandby_task_each_pals_period } true;assume { :begin_inline_Pendulum_prism_task_each_pals_period } true;havoc Pendulum_prism_task_each_pals_period_#t~ret23#1, Pendulum_prism_task_each_pals_period_~active_side~0#1, Pendulum_prism_task_each_pals_period_~tmp~2#1, Pendulum_prism_task_each_pals_period_~side1~2#1, Pendulum_prism_task_each_pals_period_~side2~2#1;havoc Pendulum_prism_task_each_pals_period_~active_side~0#1;havoc Pendulum_prism_task_each_pals_period_~tmp~2#1;havoc Pendulum_prism_task_each_pals_period_~side1~2#1;havoc Pendulum_prism_task_each_pals_period_~side2~2#1;assume { :begin_inline_read_active_side_history } true;read_active_side_history_#in~index#1 := 0;havoc read_active_side_history_#res#1;havoc read_active_side_history_~index#1;read_active_side_history_~index#1 := read_active_side_history_#in~index#1; 2396#L148 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 2390#L158 Pendulum_prism_task_each_pals_period_#t~ret23#1 := read_active_side_history_#res#1;assume { :end_inline_read_active_side_history } true;Pendulum_prism_task_each_pals_period_~tmp~2#1 := Pendulum_prism_task_each_pals_period_#t~ret23#1;havoc Pendulum_prism_task_each_pals_period_#t~ret23#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := Pendulum_prism_task_each_pals_period_~tmp~2#1;Pendulum_prism_task_each_pals_period_~side1~2#1 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2#1 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side1~2#1 := ~s1p_old~0;~s1p_old~0 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2#1 := ~s2p_old~0;~s2p_old~0 := ~nomsg~0; 2315#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := 1; 2119#L408 assume { :begin_inline_write_active_side_history } true;write_active_side_history_#in~val#1 := Pendulum_prism_task_each_pals_period_~active_side~0#1;havoc write_active_side_history_~val#1;write_active_side_history_~val#1 := write_active_side_history_#in~val#1;~active_side_History_2~0 := ~active_side_History_1~0;~active_side_History_1~0 := ~active_side_History_0~0;~active_side_History_0~0 := write_active_side_history_~val#1; 2203#L140 assume { :end_inline_write_active_side_history } true; 2135#L418 assume { :end_inline_Pendulum_prism_task_each_pals_period } true;~cs1_old~0 := ~cs1_new~0;~cs1_new~0 := ~nomsg~0;~cs2_old~0 := ~cs2_new~0;~cs2_new~0 := ~nomsg~0;~s1s2_old~0 := ~s1s2_new~0;~s1s2_new~0 := ~nomsg~0;~s1s1_old~0 := ~s1s1_new~0;~s1s1_new~0 := ~nomsg~0;~s2s1_old~0 := ~s2s1_new~0;~s2s1_new~0 := ~nomsg~0;~s2s2_old~0 := ~s2s2_new~0;~s2s2_new~0 := ~nomsg~0;~s1p_old~0 := ~s1p_new~0;~s1p_new~0 := ~nomsg~0;~s2p_old~0 := ~s2p_new~0;~s2p_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_#t~ret24#1, check_#t~ret25#1, check_#t~ret26#1, check_#t~ret27#1, check_#t~ret28#1, check_#t~ret29#1, check_#t~ret30#1, check_#t~ret31#1, check_#t~ret32#1, check_#t~ret33#1, check_#t~ret34#1, check_#t~ret35#1, check_#t~ret36#1, check_#t~ret37#1, check_#t~ret38#1, check_#t~ret39#1, check_#t~ret40#1, check_#t~ret41#1, check_#t~ret42#1, check_#t~ret43#1, check_#t~ret44#1, check_~tmp~3#1, check_~tmp___0~0#1, check_~tmp___1~0#1, check_~tmp___2~0#1, check_~tmp___3~0#1, check_~tmp___4~0#1, check_~tmp___5~0#1, check_~tmp___6~0#1, check_~tmp___7~0#1, check_~tmp___8~0#1, check_~tmp___9~0#1, check_~tmp___10~0#1, check_~tmp___11~0#1, check_~tmp___12~0#1, check_~tmp___13~0#1, check_~tmp___14~0#1, check_~tmp___15~0#1, check_~tmp___16~0#1, check_~tmp___17~0#1, check_~tmp___18~0#1, check_~tmp___19~0#1, check_~tmp___20~0#1;havoc check_~tmp~3#1;havoc check_~tmp___0~0#1;havoc check_~tmp___1~0#1;havoc check_~tmp___2~0#1;havoc check_~tmp___3~0#1;havoc check_~tmp___4~0#1;havoc check_~tmp___5~0#1;havoc check_~tmp___6~0#1;havoc check_~tmp___7~0#1;havoc check_~tmp___8~0#1;havoc check_~tmp___9~0#1;havoc check_~tmp___10~0#1;havoc check_~tmp___11~0#1;havoc check_~tmp___12~0#1;havoc check_~tmp___13~0#1;havoc check_~tmp___14~0#1;havoc check_~tmp___15~0#1;havoc check_~tmp___16~0#1;havoc check_~tmp___17~0#1;havoc check_~tmp___18~0#1;havoc check_~tmp___19~0#1;havoc check_~tmp___20~0#1; 2136#L447 assume !(0 == ~side1Failed~0 % 256); 2252#L450 assume !(0 == ~side2Failed~0 % 256);check_~tmp~3#1 := 0; 2145#L450-2 assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if 0 == check_~tmp~3#1 then 0 else 1) % 256;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 2146#L58-2 assume !(0 == assume_abort_if_not_~cond#1); 2137#L57-1 assume { :end_inline_assume_abort_if_not } true;assume { :begin_inline_read_manual_selection_history } true;read_manual_selection_history_#in~index#1 := 1;havoc read_manual_selection_history_#res#1;havoc read_manual_selection_history_~index#1;read_manual_selection_history_~index#1 := read_manual_selection_history_#in~index#1; 2138#L178 assume 0 == read_manual_selection_history_~index#1 % 256;read_manual_selection_history_#res#1 := ~manual_selection_History_0~0; 2139#L188 check_#t~ret24#1 := read_manual_selection_history_#res#1;assume { :end_inline_read_manual_selection_history } true;check_~tmp___0~0#1 := check_#t~ret24#1;havoc check_#t~ret24#1; 2140#L457 assume !(0 == check_~tmp___0~0#1); 2107#L457-1 assume { :begin_inline_read_side1_failed_history } true;read_side1_failed_history_#in~index#1 := 1;havoc read_side1_failed_history_#res#1;havoc read_side1_failed_history_~index#1;read_side1_failed_history_~index#1 := read_side1_failed_history_#in~index#1; 2130#L88-2 assume 0 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_0~0; 2131#L98-2 check_#t~ret29#1 := read_side1_failed_history_#res#1;assume { :end_inline_read_side1_failed_history } true;check_~tmp___7~0#1 := check_#t~ret29#1;havoc check_#t~ret29#1; 2317#L487 assume 0 != check_~tmp___7~0#1 % 256;assume { :begin_inline_read_side2_failed_history } true;read_side2_failed_history_#in~index#1 := 1;havoc read_side2_failed_history_#res#1;havoc read_side2_failed_history_~index#1;read_side2_failed_history_~index#1 := read_side2_failed_history_#in~index#1; 2204#L118-2 assume 0 == read_side2_failed_history_~index#1 % 256;read_side2_failed_history_#res#1 := ~side2Failed_History_0~0; 2205#L128-2 check_#t~ret30#1 := read_side2_failed_history_#res#1;assume { :end_inline_read_side2_failed_history } true;check_~tmp___8~0#1 := check_#t~ret30#1;havoc check_#t~ret30#1; 2362#L489 assume 0 == check_~tmp___8~0#1 % 256;assume { :begin_inline_read_active_side_history } true;read_active_side_history_#in~index#1 := 0;havoc read_active_side_history_#res#1;havoc read_active_side_history_~index#1;read_active_side_history_~index#1 := read_active_side_history_#in~index#1; 2361#L148-1 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 2256#L158-1 check_#t~ret31#1 := read_active_side_history_#res#1;assume { :end_inline_read_active_side_history } true;check_~tmp___5~0#1 := check_#t~ret31#1;havoc check_#t~ret31#1; 2113#L491 assume !(2 == check_~tmp___5~0#1);check_#res#1 := 0; 2114#L537 main_#t~ret62#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret62#1;havoc main_#t~ret62#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 2240#L616-44 assume !(0 == assert_~arg#1 % 256); 2359#L611-22 assume { :end_inline_assert } true; 2300#L582-2 [2021-12-28 09:45:57,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:45:57,121 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 3 times [2021-12-28 09:45:57,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:45:57,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735255264] [2021-12-28 09:45:57,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:45:57,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:45:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:45:57,144 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:45:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:45:57,161 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:45:57,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:45:57,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1869174829, now seen corresponding path program 1 times [2021-12-28 09:45:57,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:45:57,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192328876] [2021-12-28 09:45:57,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:45:57,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:45:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:45:57,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:45:57,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:45:57,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192328876] [2021-12-28 09:45:57,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192328876] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:45:57,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:45:57,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 09:45:57,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355214921] [2021-12-28 09:45:57,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:45:57,242 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-28 09:45:57,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:45:57,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 09:45:57,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 09:45:57,242 INFO L87 Difference]: Start difference. First operand 327 states and 490 transitions. cyclomatic complexity: 164 Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:45:57,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:45:57,263 INFO L93 Difference]: Finished difference Result 479 states and 713 transitions. [2021-12-28 09:45:57,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 09:45:57,264 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 479 states and 713 transitions. [2021-12-28 09:45:57,267 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 462 [2021-12-28 09:45:57,272 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 479 states to 479 states and 713 transitions. [2021-12-28 09:45:57,272 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 479 [2021-12-28 09:45:57,273 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 479 [2021-12-28 09:45:57,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 479 states and 713 transitions. [2021-12-28 09:45:57,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:45:57,274 INFO L681 BuchiCegarLoop]: Abstraction has 479 states and 713 transitions. [2021-12-28 09:45:57,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states and 713 transitions. [2021-12-28 09:45:57,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 324. [2021-12-28 09:45:57,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 324 states have (on average 1.4938271604938271) internal successors, (484), 323 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:45:57,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 484 transitions. [2021-12-28 09:45:57,288 INFO L704 BuchiCegarLoop]: Abstraction has 324 states and 484 transitions. [2021-12-28 09:45:57,288 INFO L587 BuchiCegarLoop]: Abstraction has 324 states and 484 transitions. [2021-12-28 09:45:57,288 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-28 09:45:57,288 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 324 states and 484 transitions. [2021-12-28 09:45:57,290 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 307 [2021-12-28 09:45:57,290 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:45:57,290 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:45:57,292 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:45:57,292 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-28 09:45:57,293 INFO L791 eck$LassoCheckResult]: Stem: 3171#ULTIMATE.startENTRY 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(52, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~cs1~0 := 0;~cs1_old~0 := 0;~cs1_new~0 := 0;~cs2~0 := 0;~cs2_old~0 := 0;~cs2_new~0 := 0;~s1s2~0 := 0;~s1s2_old~0 := 0;~s1s2_new~0 := 0;~s1s1~0 := 0;~s1s1_old~0 := 0;~s1s1_new~0 := 0;~s2s1~0 := 0;~s2s1_old~0 := 0;~s2s1_new~0 := 0;~s2s2~0 := 0;~s2s2_old~0 := 0;~s2s2_new~0 := 0;~s1p~0 := 0;~s1p_old~0 := 0;~s1p_new~0 := 0;~s2p~0 := 0;~s2p_old~0 := 0;~s2p_new~0 := 0;~side1Failed~0 := 0;~side2Failed~0 := 0;~side1_written~0 := 0;~side2_written~0 := 0;~side1Failed_History_0~0 := 0;~side1Failed_History_1~0 := 0;~side1Failed_History_2~0 := 0;~side2Failed_History_0~0 := 0;~side2Failed_History_1~0 := 0;~side2Failed_History_2~0 := 0;~active_side_History_0~0 := 0;~active_side_History_1~0 := 0;~active_side_History_2~0 := 0;~manual_selection_History_0~0 := 0;~manual_selection_History_1~0 := 0;~manual_selection_History_2~0 := 0; 3143#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~nondet56#1, main_#t~nondet57#1, main_#t~nondet58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~ret61#1, main_#t~ret62#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~side1Failed~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~side2Failed~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~side1_written~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;~side2_written~0 := main_#t~nondet48#1;havoc main_#t~nondet48#1;~side1Failed_History_0~0 := main_#t~nondet49#1;havoc main_#t~nondet49#1;~side1Failed_History_1~0 := main_#t~nondet50#1;havoc main_#t~nondet50#1;~side1Failed_History_2~0 := main_#t~nondet51#1;havoc main_#t~nondet51#1;~side2Failed_History_0~0 := main_#t~nondet52#1;havoc main_#t~nondet52#1;~side2Failed_History_1~0 := main_#t~nondet53#1;havoc main_#t~nondet53#1;~side2Failed_History_2~0 := main_#t~nondet54#1;havoc main_#t~nondet54#1;~active_side_History_0~0 := main_#t~nondet55#1;havoc main_#t~nondet55#1;~active_side_History_1~0 := main_#t~nondet56#1;havoc main_#t~nondet56#1;~active_side_History_2~0 := main_#t~nondet57#1;havoc main_#t~nondet57#1;~manual_selection_History_0~0 := main_#t~nondet58#1;havoc main_#t~nondet58#1;~manual_selection_History_1~0 := main_#t~nondet59#1;havoc main_#t~nondet59#1;~manual_selection_History_2~0 := main_#t~nondet60#1;havoc main_#t~nondet60#1;assume { :begin_inline_init } true;havoc init_#res#1; 3037#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 3038#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 2964#L203 assume !(-2 != ~active_side_History_0~0); 2965#L206 assume !(0 != ~manual_selection_History_0~0); 2984#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 3158#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 3106#L215 assume !(-2 != ~active_side_History_1~0); 3107#L218 assume !(0 != ~manual_selection_History_1~0); 3145#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 3163#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 3069#L227 assume !(-2 != ~active_side_History_2~0); 3070#L230 assume !(0 != ~manual_selection_History_2~0);init_#res#1 := 1; 3026#L233 main_#t~ret61#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret61#1;havoc main_#t~ret61#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 3027#L58 assume !(0 == assume_abort_if_not_~cond#1); 3108#L57 assume { :end_inline_assume_abort_if_not } true;~cs1_old~0 := ~nomsg~0;~cs1_new~0 := ~nomsg~0;~cs2_old~0 := ~nomsg~0;~cs2_new~0 := ~nomsg~0;~s1s2_old~0 := ~nomsg~0;~s1s2_new~0 := ~nomsg~0;~s1s1_old~0 := ~nomsg~0;~s1s1_new~0 := ~nomsg~0;~s2s1_old~0 := ~nomsg~0;~s2s1_new~0 := ~nomsg~0;~s2s2_old~0 := ~nomsg~0;~s2s2_new~0 := ~nomsg~0;~s1p_old~0 := ~nomsg~0;~s1p_new~0 := ~nomsg~0;~s2p_old~0 := ~nomsg~0;~s2p_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 3109#L582-2 [2021-12-28 09:45:57,294 INFO L793 eck$LassoCheckResult]: Loop: 3109#L582-2 assume !false;assume { :begin_inline_Console_task_each_pals_period } true;havoc Console_task_each_pals_period_#t~nondet4#1, Console_task_each_pals_period_#t~ite5#1, Console_task_each_pals_period_#t~ite6#1, Console_task_each_pals_period_~manual_selection~0#1, Console_task_each_pals_period_~tmp~1#1;havoc Console_task_each_pals_period_~manual_selection~0#1;havoc Console_task_each_pals_period_~tmp~1#1;Console_task_each_pals_period_~tmp~1#1 := Console_task_each_pals_period_#t~nondet4#1;havoc Console_task_each_pals_period_#t~nondet4#1;Console_task_each_pals_period_~manual_selection~0#1 := Console_task_each_pals_period_~tmp~1#1;assume { :begin_inline_write_manual_selection_history } true;write_manual_selection_history_#in~val#1 := Console_task_each_pals_period_~manual_selection~0#1;havoc write_manual_selection_history_~val#1;write_manual_selection_history_~val#1 := write_manual_selection_history_#in~val#1;~manual_selection_History_2~0 := ~manual_selection_History_1~0;~manual_selection_History_1~0 := ~manual_selection_History_0~0;~manual_selection_History_0~0 := write_manual_selection_history_~val#1; 3135#L170 assume { :end_inline_write_manual_selection_history } true; 3136#L258 assume Console_task_each_pals_period_~manual_selection~0#1 != ~nomsg~0 && ~cs1_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite5#1 := Console_task_each_pals_period_~manual_selection~0#1; 3137#L258-2 ~cs1_new~0 := (if Console_task_each_pals_period_#t~ite5#1 % 256 <= 127 then Console_task_each_pals_period_#t~ite5#1 % 256 else Console_task_each_pals_period_#t~ite5#1 % 256 - 256);havoc Console_task_each_pals_period_#t~ite5#1; 3155#L259 assume Console_task_each_pals_period_~manual_selection~0#1 != ~nomsg~0 && ~cs2_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite6#1 := Console_task_each_pals_period_~manual_selection~0#1; 3156#L259-2 ~cs2_new~0 := (if Console_task_each_pals_period_#t~ite6#1 % 256 <= 127 then Console_task_each_pals_period_#t~ite6#1 % 256 else Console_task_each_pals_period_#t~ite6#1 % 256 - 256);havoc Console_task_each_pals_period_#t~ite6#1;Console_task_each_pals_period_~manual_selection~0#1 := 0; 3113#L261 assume { :end_inline_Console_task_each_pals_period } true;assume { :begin_inline_Side1_activestandby_task_each_pals_period } true;havoc Side1_activestandby_task_each_pals_period_#t~nondet7#1, Side1_activestandby_task_each_pals_period_#t~ite8#1, Side1_activestandby_task_each_pals_period_#t~ite9#1, Side1_activestandby_task_each_pals_period_#t~ite10#1, Side1_activestandby_task_each_pals_period_#t~ret11#1, Side1_activestandby_task_each_pals_period_#t~ite12#1, Side1_activestandby_task_each_pals_period_#t~ite13#1, Side1_activestandby_task_each_pals_period_#t~ite14#1, Side1_activestandby_task_each_pals_period_~side1~0#1, Side1_activestandby_task_each_pals_period_~side2~0#1, Side1_activestandby_task_each_pals_period_~manual_selection~1#1, Side1_activestandby_task_each_pals_period_~next_state~0#1;havoc Side1_activestandby_task_each_pals_period_~side1~0#1;havoc Side1_activestandby_task_each_pals_period_~side2~0#1;havoc Side1_activestandby_task_each_pals_period_~manual_selection~1#1;havoc Side1_activestandby_task_each_pals_period_~next_state~0#1;Side1_activestandby_task_each_pals_period_~side1~0#1 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0#1 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1#1 := 0;~side1Failed~0 := Side1_activestandby_task_each_pals_period_#t~nondet7#1;havoc Side1_activestandby_task_each_pals_period_#t~nondet7#1;assume { :begin_inline_write_side1_failed_history } true;write_side1_failed_history_#in~val#1 := ~side1Failed~0;havoc write_side1_failed_history_~val#1;write_side1_failed_history_~val#1 := write_side1_failed_history_#in~val#1;~side1Failed_History_2~0 := ~side1Failed_History_1~0;~side1Failed_History_1~0 := ~side1Failed_History_0~0;~side1Failed_History_0~0 := write_side1_failed_history_~val#1; 3114#L80 assume { :end_inline_write_side1_failed_history } true; 3097#L277 assume 0 != ~side1Failed~0 % 256; 3098#L278 assume !(~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite8#1 := ~s1s1_new~0; 3111#L278-2 ~s1s1_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite8#1; 3010#L279 assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite9#1 := ~s1s2_new~0; 2975#L279-2 ~s1s2_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite9#1; 2976#L280 assume !(~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite10#1 := ~s1p_new~0; 3077#L280-2 ~s1p_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite10#1;~side1_written~0 := ~nomsg~0; 3078#L318 assume { :end_inline_Side1_activestandby_task_each_pals_period } true;assume { :begin_inline_Side2_activestandby_task_each_pals_period } true;havoc Side2_activestandby_task_each_pals_period_#t~nondet15#1, Side2_activestandby_task_each_pals_period_#t~ite16#1, Side2_activestandby_task_each_pals_period_#t~ite17#1, Side2_activestandby_task_each_pals_period_#t~ite18#1, Side2_activestandby_task_each_pals_period_#t~ret19#1, Side2_activestandby_task_each_pals_period_#t~ite20#1, Side2_activestandby_task_each_pals_period_#t~ite21#1, Side2_activestandby_task_each_pals_period_#t~ite22#1, Side2_activestandby_task_each_pals_period_~side1~1#1, Side2_activestandby_task_each_pals_period_~side2~1#1, Side2_activestandby_task_each_pals_period_~manual_selection~2#1, Side2_activestandby_task_each_pals_period_~next_state~1#1;havoc Side2_activestandby_task_each_pals_period_~side1~1#1;havoc Side2_activestandby_task_each_pals_period_~side2~1#1;havoc Side2_activestandby_task_each_pals_period_~manual_selection~2#1;havoc Side2_activestandby_task_each_pals_period_~next_state~1#1;Side2_activestandby_task_each_pals_period_~side1~1#1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~side2~1#1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~manual_selection~2#1 := 0;~side2Failed~0 := Side2_activestandby_task_each_pals_period_#t~nondet15#1;havoc Side2_activestandby_task_each_pals_period_#t~nondet15#1;assume { :begin_inline_write_side2_failed_history } true;write_side2_failed_history_#in~val#1 := ~side2Failed~0;havoc write_side2_failed_history_~val#1;write_side2_failed_history_~val#1 := write_side2_failed_history_#in~val#1;~side2Failed_History_2~0 := ~side2Failed_History_1~0;~side2Failed_History_1~0 := ~side2Failed_History_0~0;~side2Failed_History_0~0 := write_side2_failed_history_~val#1; 3227#L110 assume { :end_inline_write_side2_failed_history } true; 3226#L334 assume 0 != ~side2Failed~0 % 256; 2959#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite16#1 := ~s2s1_new~0; 2960#L335-2 ~s2s1_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite16#1; 2974#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite17#1 := ~s2s2_new~0; 3046#L336-2 ~s2s2_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite17#1; 3161#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite18#1 := ~s2p_new~0; 3162#L337-2 ~s2p_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite18#1;~side2_written~0 := ~nomsg~0; 3199#L375 assume { :end_inline_Side2_activestandby_task_each_pals_period } true;assume { :begin_inline_Pendulum_prism_task_each_pals_period } true;havoc Pendulum_prism_task_each_pals_period_#t~ret23#1, Pendulum_prism_task_each_pals_period_~active_side~0#1, Pendulum_prism_task_each_pals_period_~tmp~2#1, Pendulum_prism_task_each_pals_period_~side1~2#1, Pendulum_prism_task_each_pals_period_~side2~2#1;havoc Pendulum_prism_task_each_pals_period_~active_side~0#1;havoc Pendulum_prism_task_each_pals_period_~tmp~2#1;havoc Pendulum_prism_task_each_pals_period_~side1~2#1;havoc Pendulum_prism_task_each_pals_period_~side2~2#1;assume { :begin_inline_read_active_side_history } true;read_active_side_history_#in~index#1 := 0;havoc read_active_side_history_#res#1;havoc read_active_side_history_~index#1;read_active_side_history_~index#1 := read_active_side_history_#in~index#1; 3194#L148 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 3193#L158 Pendulum_prism_task_each_pals_period_#t~ret23#1 := read_active_side_history_#res#1;assume { :end_inline_read_active_side_history } true;Pendulum_prism_task_each_pals_period_~tmp~2#1 := Pendulum_prism_task_each_pals_period_#t~ret23#1;havoc Pendulum_prism_task_each_pals_period_#t~ret23#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := Pendulum_prism_task_each_pals_period_~tmp~2#1;Pendulum_prism_task_each_pals_period_~side1~2#1 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2#1 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side1~2#1 := ~s1p_old~0;~s1p_old~0 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2#1 := ~s2p_old~0;~s2p_old~0 := ~nomsg~0; 3186#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := 1; 3179#L408 assume { :begin_inline_write_active_side_history } true;write_active_side_history_#in~val#1 := Pendulum_prism_task_each_pals_period_~active_side~0#1;havoc write_active_side_history_~val#1;write_active_side_history_~val#1 := write_active_side_history_#in~val#1;~active_side_History_2~0 := ~active_side_History_1~0;~active_side_History_1~0 := ~active_side_History_0~0;~active_side_History_0~0 := write_active_side_history_~val#1; 3177#L140 assume { :end_inline_write_active_side_history } true; 3175#L418 assume { :end_inline_Pendulum_prism_task_each_pals_period } true;~cs1_old~0 := ~cs1_new~0;~cs1_new~0 := ~nomsg~0;~cs2_old~0 := ~cs2_new~0;~cs2_new~0 := ~nomsg~0;~s1s2_old~0 := ~s1s2_new~0;~s1s2_new~0 := ~nomsg~0;~s1s1_old~0 := ~s1s1_new~0;~s1s1_new~0 := ~nomsg~0;~s2s1_old~0 := ~s2s1_new~0;~s2s1_new~0 := ~nomsg~0;~s2s2_old~0 := ~s2s2_new~0;~s2s2_new~0 := ~nomsg~0;~s1p_old~0 := ~s1p_new~0;~s1p_new~0 := ~nomsg~0;~s2p_old~0 := ~s2p_new~0;~s2p_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_#t~ret24#1, check_#t~ret25#1, check_#t~ret26#1, check_#t~ret27#1, check_#t~ret28#1, check_#t~ret29#1, check_#t~ret30#1, check_#t~ret31#1, check_#t~ret32#1, check_#t~ret33#1, check_#t~ret34#1, check_#t~ret35#1, check_#t~ret36#1, check_#t~ret37#1, check_#t~ret38#1, check_#t~ret39#1, check_#t~ret40#1, check_#t~ret41#1, check_#t~ret42#1, check_#t~ret43#1, check_#t~ret44#1, check_~tmp~3#1, check_~tmp___0~0#1, check_~tmp___1~0#1, check_~tmp___2~0#1, check_~tmp___3~0#1, check_~tmp___4~0#1, check_~tmp___5~0#1, check_~tmp___6~0#1, check_~tmp___7~0#1, check_~tmp___8~0#1, check_~tmp___9~0#1, check_~tmp___10~0#1, check_~tmp___11~0#1, check_~tmp___12~0#1, check_~tmp___13~0#1, check_~tmp___14~0#1, check_~tmp___15~0#1, check_~tmp___16~0#1, check_~tmp___17~0#1, check_~tmp___18~0#1, check_~tmp___19~0#1, check_~tmp___20~0#1;havoc check_~tmp~3#1;havoc check_~tmp___0~0#1;havoc check_~tmp___1~0#1;havoc check_~tmp___2~0#1;havoc check_~tmp___3~0#1;havoc check_~tmp___4~0#1;havoc check_~tmp___5~0#1;havoc check_~tmp___6~0#1;havoc check_~tmp___7~0#1;havoc check_~tmp___8~0#1;havoc check_~tmp___9~0#1;havoc check_~tmp___10~0#1;havoc check_~tmp___11~0#1;havoc check_~tmp___12~0#1;havoc check_~tmp___13~0#1;havoc check_~tmp___14~0#1;havoc check_~tmp___15~0#1;havoc check_~tmp___16~0#1;havoc check_~tmp___17~0#1;havoc check_~tmp___18~0#1;havoc check_~tmp___19~0#1;havoc check_~tmp___20~0#1; 3174#L447 assume !(0 == ~side1Failed~0 % 256); 3063#L450 assume !(0 == ~side2Failed~0 % 256);check_~tmp~3#1 := 0; 2957#L450-2 assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if 0 == check_~tmp~3#1 then 0 else 1) % 256;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 2958#L58-2 assume !(0 == assume_abort_if_not_~cond#1); 2949#L57-1 assume { :end_inline_assume_abort_if_not } true;assume { :begin_inline_read_manual_selection_history } true;read_manual_selection_history_#in~index#1 := 1;havoc read_manual_selection_history_#res#1;havoc read_manual_selection_history_~index#1;read_manual_selection_history_~index#1 := read_manual_selection_history_#in~index#1; 2950#L178 assume !(0 == read_manual_selection_history_~index#1 % 256); 2968#L181 assume 1 == read_manual_selection_history_~index#1 % 256;read_manual_selection_history_#res#1 := ~manual_selection_History_1~0; 2951#L188 check_#t~ret24#1 := read_manual_selection_history_#res#1;assume { :end_inline_read_manual_selection_history } true;check_~tmp___0~0#1 := check_#t~ret24#1;havoc check_#t~ret24#1; 2952#L457 assume !(0 == check_~tmp___0~0#1); 2919#L457-1 assume { :begin_inline_read_side1_failed_history } true;read_side1_failed_history_#in~index#1 := 1;havoc read_side1_failed_history_#res#1;havoc read_side1_failed_history_~index#1;read_side1_failed_history_~index#1 := read_side1_failed_history_#in~index#1; 2942#L88-2 assume 0 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_0~0; 2943#L98-2 check_#t~ret29#1 := read_side1_failed_history_#res#1;assume { :end_inline_read_side1_failed_history } true;check_~tmp___7~0#1 := check_#t~ret29#1;havoc check_#t~ret29#1; 3125#L487 assume 0 != check_~tmp___7~0#1 % 256;assume { :begin_inline_read_side2_failed_history } true;read_side2_failed_history_#in~index#1 := 1;havoc read_side2_failed_history_#res#1;havoc read_side2_failed_history_~index#1;read_side2_failed_history_~index#1 := read_side2_failed_history_#in~index#1; 3018#L118-2 assume 0 == read_side2_failed_history_~index#1 % 256;read_side2_failed_history_#res#1 := ~side2Failed_History_0~0; 3019#L128-2 check_#t~ret30#1 := read_side2_failed_history_#res#1;assume { :end_inline_read_side2_failed_history } true;check_~tmp___8~0#1 := check_#t~ret30#1;havoc check_#t~ret30#1; 3170#L489 assume 0 == check_~tmp___8~0#1 % 256;assume { :begin_inline_read_active_side_history } true;read_active_side_history_#in~index#1 := 0;havoc read_active_side_history_#res#1;havoc read_active_side_history_~index#1;read_active_side_history_~index#1 := read_active_side_history_#in~index#1; 3169#L148-1 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 3067#L158-1 check_#t~ret31#1 := read_active_side_history_#res#1;assume { :end_inline_read_active_side_history } true;check_~tmp___5~0#1 := check_#t~ret31#1;havoc check_#t~ret31#1; 2923#L491 assume !(2 == check_~tmp___5~0#1);check_#res#1 := 0; 2924#L537 main_#t~ret62#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret62#1;havoc main_#t~ret62#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 3051#L616-44 assume !(0 == assert_~arg#1 % 256); 3166#L611-22 assume { :end_inline_assert } true; 3109#L582-2 [2021-12-28 09:45:57,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:45:57,298 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 4 times [2021-12-28 09:45:57,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:45:57,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929430461] [2021-12-28 09:45:57,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:45:57,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:45:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:45:57,309 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:45:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:45:57,329 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:45:57,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:45:57,335 INFO L85 PathProgramCache]: Analyzing trace with hash -769425493, now seen corresponding path program 1 times [2021-12-28 09:45:57,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:45:57,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281038635] [2021-12-28 09:45:57,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:45:57,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:45:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:45:57,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:45:57,395 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:45:57,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281038635] [2021-12-28 09:45:57,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281038635] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:45:57,396 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:45:57,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 09:45:57,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753629181] [2021-12-28 09:45:57,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:45:57,397 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-28 09:45:57,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:45:57,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 09:45:57,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 09:45:57,398 INFO L87 Difference]: Start difference. First operand 324 states and 484 transitions. cyclomatic complexity: 161 Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:45:57,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:45:57,441 INFO L93 Difference]: Finished difference Result 487 states and 718 transitions. [2021-12-28 09:45:57,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 09:45:57,444 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 487 states and 718 transitions. [2021-12-28 09:45:57,463 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 470 [2021-12-28 09:45:57,465 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 487 states to 487 states and 718 transitions. [2021-12-28 09:45:57,466 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 487 [2021-12-28 09:45:57,466 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 487 [2021-12-28 09:45:57,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 487 states and 718 transitions. [2021-12-28 09:45:57,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:45:57,467 INFO L681 BuchiCegarLoop]: Abstraction has 487 states and 718 transitions. [2021-12-28 09:45:57,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states and 718 transitions. [2021-12-28 09:45:57,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 312. [2021-12-28 09:45:57,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 312 states have (on average 1.4743589743589745) internal successors, (460), 311 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:45:57,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 460 transitions. [2021-12-28 09:45:57,471 INFO L704 BuchiCegarLoop]: Abstraction has 312 states and 460 transitions. [2021-12-28 09:45:57,471 INFO L587 BuchiCegarLoop]: Abstraction has 312 states and 460 transitions. [2021-12-28 09:45:57,471 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-28 09:45:57,471 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 312 states and 460 transitions. [2021-12-28 09:45:57,472 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 295 [2021-12-28 09:45:57,472 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:45:57,472 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:45:57,473 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:45:57,473 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-28 09:45:57,473 INFO L791 eck$LassoCheckResult]: Stem: 3969#ULTIMATE.startENTRY 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(52, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~cs1~0 := 0;~cs1_old~0 := 0;~cs1_new~0 := 0;~cs2~0 := 0;~cs2_old~0 := 0;~cs2_new~0 := 0;~s1s2~0 := 0;~s1s2_old~0 := 0;~s1s2_new~0 := 0;~s1s1~0 := 0;~s1s1_old~0 := 0;~s1s1_new~0 := 0;~s2s1~0 := 0;~s2s1_old~0 := 0;~s2s1_new~0 := 0;~s2s2~0 := 0;~s2s2_old~0 := 0;~s2s2_new~0 := 0;~s1p~0 := 0;~s1p_old~0 := 0;~s1p_new~0 := 0;~s2p~0 := 0;~s2p_old~0 := 0;~s2p_new~0 := 0;~side1Failed~0 := 0;~side2Failed~0 := 0;~side1_written~0 := 0;~side2_written~0 := 0;~side1Failed_History_0~0 := 0;~side1Failed_History_1~0 := 0;~side1Failed_History_2~0 := 0;~side2Failed_History_0~0 := 0;~side2Failed_History_1~0 := 0;~side2Failed_History_2~0 := 0;~active_side_History_0~0 := 0;~active_side_History_1~0 := 0;~active_side_History_2~0 := 0;~manual_selection_History_0~0 := 0;~manual_selection_History_1~0 := 0;~manual_selection_History_2~0 := 0; 3944#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~nondet56#1, main_#t~nondet57#1, main_#t~nondet58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~ret61#1, main_#t~ret62#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~side1Failed~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~side2Failed~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~side1_written~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;~side2_written~0 := main_#t~nondet48#1;havoc main_#t~nondet48#1;~side1Failed_History_0~0 := main_#t~nondet49#1;havoc main_#t~nondet49#1;~side1Failed_History_1~0 := main_#t~nondet50#1;havoc main_#t~nondet50#1;~side1Failed_History_2~0 := main_#t~nondet51#1;havoc main_#t~nondet51#1;~side2Failed_History_0~0 := main_#t~nondet52#1;havoc main_#t~nondet52#1;~side2Failed_History_1~0 := main_#t~nondet53#1;havoc main_#t~nondet53#1;~side2Failed_History_2~0 := main_#t~nondet54#1;havoc main_#t~nondet54#1;~active_side_History_0~0 := main_#t~nondet55#1;havoc main_#t~nondet55#1;~active_side_History_1~0 := main_#t~nondet56#1;havoc main_#t~nondet56#1;~active_side_History_2~0 := main_#t~nondet57#1;havoc main_#t~nondet57#1;~manual_selection_History_0~0 := main_#t~nondet58#1;havoc main_#t~nondet58#1;~manual_selection_History_1~0 := main_#t~nondet59#1;havoc main_#t~nondet59#1;~manual_selection_History_2~0 := main_#t~nondet60#1;havoc main_#t~nondet60#1;assume { :begin_inline_init } true;havoc init_#res#1; 3846#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 3847#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 3778#L203 assume !(-2 != ~active_side_History_0~0); 3779#L206 assume !(0 != ~manual_selection_History_0~0); 3797#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 3958#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 3908#L215 assume !(-2 != ~active_side_History_1~0); 3909#L218 assume !(0 != ~manual_selection_History_1~0); 3946#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 3962#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 3877#L227 assume !(-2 != ~active_side_History_2~0); 3878#L230 assume !(0 != ~manual_selection_History_2~0);init_#res#1 := 1; 3836#L233 main_#t~ret61#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret61#1;havoc main_#t~ret61#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 3837#L58 assume !(0 == assume_abort_if_not_~cond#1); 3910#L57 assume { :end_inline_assume_abort_if_not } true;~cs1_old~0 := ~nomsg~0;~cs1_new~0 := ~nomsg~0;~cs2_old~0 := ~nomsg~0;~cs2_new~0 := ~nomsg~0;~s1s2_old~0 := ~nomsg~0;~s1s2_new~0 := ~nomsg~0;~s1s1_old~0 := ~nomsg~0;~s1s1_new~0 := ~nomsg~0;~s2s1_old~0 := ~nomsg~0;~s2s1_new~0 := ~nomsg~0;~s2s2_old~0 := ~nomsg~0;~s2s2_new~0 := ~nomsg~0;~s1p_old~0 := ~nomsg~0;~s1p_new~0 := ~nomsg~0;~s2p_old~0 := ~nomsg~0;~s2p_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 3911#L582-2 [2021-12-28 09:45:57,473 INFO L793 eck$LassoCheckResult]: Loop: 3911#L582-2 assume !false;assume { :begin_inline_Console_task_each_pals_period } true;havoc Console_task_each_pals_period_#t~nondet4#1, Console_task_each_pals_period_#t~ite5#1, Console_task_each_pals_period_#t~ite6#1, Console_task_each_pals_period_~manual_selection~0#1, Console_task_each_pals_period_~tmp~1#1;havoc Console_task_each_pals_period_~manual_selection~0#1;havoc Console_task_each_pals_period_~tmp~1#1;Console_task_each_pals_period_~tmp~1#1 := Console_task_each_pals_period_#t~nondet4#1;havoc Console_task_each_pals_period_#t~nondet4#1;Console_task_each_pals_period_~manual_selection~0#1 := Console_task_each_pals_period_~tmp~1#1;assume { :begin_inline_write_manual_selection_history } true;write_manual_selection_history_#in~val#1 := Console_task_each_pals_period_~manual_selection~0#1;havoc write_manual_selection_history_~val#1;write_manual_selection_history_~val#1 := write_manual_selection_history_#in~val#1;~manual_selection_History_2~0 := ~manual_selection_History_1~0;~manual_selection_History_1~0 := ~manual_selection_History_0~0;~manual_selection_History_0~0 := write_manual_selection_history_~val#1; 3936#L170 assume { :end_inline_write_manual_selection_history } true; 3937#L258 assume Console_task_each_pals_period_~manual_selection~0#1 != ~nomsg~0 && ~cs1_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite5#1 := Console_task_each_pals_period_~manual_selection~0#1; 3938#L258-2 ~cs1_new~0 := (if Console_task_each_pals_period_#t~ite5#1 % 256 <= 127 then Console_task_each_pals_period_#t~ite5#1 % 256 else Console_task_each_pals_period_#t~ite5#1 % 256 - 256);havoc Console_task_each_pals_period_#t~ite5#1; 3955#L259 assume Console_task_each_pals_period_~manual_selection~0#1 != ~nomsg~0 && ~cs2_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite6#1 := Console_task_each_pals_period_~manual_selection~0#1; 3956#L259-2 ~cs2_new~0 := (if Console_task_each_pals_period_#t~ite6#1 % 256 <= 127 then Console_task_each_pals_period_#t~ite6#1 % 256 else Console_task_each_pals_period_#t~ite6#1 % 256 - 256);havoc Console_task_each_pals_period_#t~ite6#1;Console_task_each_pals_period_~manual_selection~0#1 := 0; 3915#L261 assume { :end_inline_Console_task_each_pals_period } true;assume { :begin_inline_Side1_activestandby_task_each_pals_period } true;havoc Side1_activestandby_task_each_pals_period_#t~nondet7#1, Side1_activestandby_task_each_pals_period_#t~ite8#1, Side1_activestandby_task_each_pals_period_#t~ite9#1, Side1_activestandby_task_each_pals_period_#t~ite10#1, Side1_activestandby_task_each_pals_period_#t~ret11#1, Side1_activestandby_task_each_pals_period_#t~ite12#1, Side1_activestandby_task_each_pals_period_#t~ite13#1, Side1_activestandby_task_each_pals_period_#t~ite14#1, Side1_activestandby_task_each_pals_period_~side1~0#1, Side1_activestandby_task_each_pals_period_~side2~0#1, Side1_activestandby_task_each_pals_period_~manual_selection~1#1, Side1_activestandby_task_each_pals_period_~next_state~0#1;havoc Side1_activestandby_task_each_pals_period_~side1~0#1;havoc Side1_activestandby_task_each_pals_period_~side2~0#1;havoc Side1_activestandby_task_each_pals_period_~manual_selection~1#1;havoc Side1_activestandby_task_each_pals_period_~next_state~0#1;Side1_activestandby_task_each_pals_period_~side1~0#1 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0#1 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1#1 := 0;~side1Failed~0 := Side1_activestandby_task_each_pals_period_#t~nondet7#1;havoc Side1_activestandby_task_each_pals_period_#t~nondet7#1;assume { :begin_inline_write_side1_failed_history } true;write_side1_failed_history_#in~val#1 := ~side1Failed~0;havoc write_side1_failed_history_~val#1;write_side1_failed_history_~val#1 := write_side1_failed_history_#in~val#1;~side1Failed_History_2~0 := ~side1Failed_History_1~0;~side1Failed_History_1~0 := ~side1Failed_History_0~0;~side1Failed_History_0~0 := write_side1_failed_history_~val#1; 3916#L80 assume { :end_inline_write_side1_failed_history } true; 3899#L277 assume 0 != ~side1Failed~0 % 256; 3900#L278 assume !(~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite8#1 := ~s1s1_new~0; 3913#L278-2 ~s1s1_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite8#1; 3821#L279 assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite9#1 := ~s1s2_new~0; 3789#L279-2 ~s1s2_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite9#1; 3790#L280 assume !(~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite10#1 := ~s1p_new~0; 3884#L280-2 ~s1p_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite10#1;~side1_written~0 := ~nomsg~0; 3885#L318 assume { :end_inline_Side1_activestandby_task_each_pals_period } true;assume { :begin_inline_Side2_activestandby_task_each_pals_period } true;havoc Side2_activestandby_task_each_pals_period_#t~nondet15#1, Side2_activestandby_task_each_pals_period_#t~ite16#1, Side2_activestandby_task_each_pals_period_#t~ite17#1, Side2_activestandby_task_each_pals_period_#t~ite18#1, Side2_activestandby_task_each_pals_period_#t~ret19#1, Side2_activestandby_task_each_pals_period_#t~ite20#1, Side2_activestandby_task_each_pals_period_#t~ite21#1, Side2_activestandby_task_each_pals_period_#t~ite22#1, Side2_activestandby_task_each_pals_period_~side1~1#1, Side2_activestandby_task_each_pals_period_~side2~1#1, Side2_activestandby_task_each_pals_period_~manual_selection~2#1, Side2_activestandby_task_each_pals_period_~next_state~1#1;havoc Side2_activestandby_task_each_pals_period_~side1~1#1;havoc Side2_activestandby_task_each_pals_period_~side2~1#1;havoc Side2_activestandby_task_each_pals_period_~manual_selection~2#1;havoc Side2_activestandby_task_each_pals_period_~next_state~1#1;Side2_activestandby_task_each_pals_period_~side1~1#1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~side2~1#1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~manual_selection~2#1 := 0;~side2Failed~0 := Side2_activestandby_task_each_pals_period_#t~nondet15#1;havoc Side2_activestandby_task_each_pals_period_#t~nondet15#1;assume { :begin_inline_write_side2_failed_history } true;write_side2_failed_history_#in~val#1 := ~side2Failed~0;havoc write_side2_failed_history_~val#1;write_side2_failed_history_~val#1 := write_side2_failed_history_#in~val#1;~side2Failed_History_2~0 := ~side2Failed_History_1~0;~side2Failed_History_1~0 := ~side2Failed_History_0~0;~side2Failed_History_0~0 := write_side2_failed_history_~val#1; 3843#L110 assume { :end_inline_write_side2_failed_history } true; 3791#L334 assume 0 != ~side2Failed~0 % 256; 3773#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite16#1 := ~s2s1_new~0; 3774#L335-2 ~s2s1_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite16#1; 3788#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite17#1 := ~s2s2_new~0; 3855#L336-2 ~s2s2_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite17#1; 3961#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite18#1 := ~s2p_new~0; 3895#L337-2 ~s2p_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite18#1;~side2_written~0 := ~nomsg~0; 3896#L375 assume { :end_inline_Side2_activestandby_task_each_pals_period } true;assume { :begin_inline_Pendulum_prism_task_each_pals_period } true;havoc Pendulum_prism_task_each_pals_period_#t~ret23#1, Pendulum_prism_task_each_pals_period_~active_side~0#1, Pendulum_prism_task_each_pals_period_~tmp~2#1, Pendulum_prism_task_each_pals_period_~side1~2#1, Pendulum_prism_task_each_pals_period_~side2~2#1;havoc Pendulum_prism_task_each_pals_period_~active_side~0#1;havoc Pendulum_prism_task_each_pals_period_~tmp~2#1;havoc Pendulum_prism_task_each_pals_period_~side1~2#1;havoc Pendulum_prism_task_each_pals_period_~side2~2#1;assume { :begin_inline_read_active_side_history } true;read_active_side_history_#in~index#1 := 0;havoc read_active_side_history_#res#1;havoc read_active_side_history_~index#1;read_active_side_history_~index#1 := read_active_side_history_#in~index#1; 3783#L148 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 3784#L158 Pendulum_prism_task_each_pals_period_#t~ret23#1 := read_active_side_history_#res#1;assume { :end_inline_read_active_side_history } true;Pendulum_prism_task_each_pals_period_~tmp~2#1 := Pendulum_prism_task_each_pals_period_#t~ret23#1;havoc Pendulum_prism_task_each_pals_period_#t~ret23#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := Pendulum_prism_task_each_pals_period_~tmp~2#1;Pendulum_prism_task_each_pals_period_~side1~2#1 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2#1 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side1~2#1 := ~s1p_old~0;~s1p_old~0 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2#1 := ~s2p_old~0;~s2p_old~0 := ~nomsg~0; 3926#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := 1; 3748#L408 assume { :begin_inline_write_active_side_history } true;write_active_side_history_#in~val#1 := Pendulum_prism_task_each_pals_period_~active_side~0#1;havoc write_active_side_history_~val#1;write_active_side_history_~val#1 := write_active_side_history_#in~val#1;~active_side_History_2~0 := ~active_side_History_1~0;~active_side_History_1~0 := ~active_side_History_0~0;~active_side_History_0~0 := write_active_side_history_~val#1; 3827#L140 assume { :end_inline_write_active_side_history } true; 3761#L418 assume { :end_inline_Pendulum_prism_task_each_pals_period } true;~cs1_old~0 := ~cs1_new~0;~cs1_new~0 := ~nomsg~0;~cs2_old~0 := ~cs2_new~0;~cs2_new~0 := ~nomsg~0;~s1s2_old~0 := ~s1s2_new~0;~s1s2_new~0 := ~nomsg~0;~s1s1_old~0 := ~s1s1_new~0;~s1s1_new~0 := ~nomsg~0;~s2s1_old~0 := ~s2s1_new~0;~s2s1_new~0 := ~nomsg~0;~s2s2_old~0 := ~s2s2_new~0;~s2s2_new~0 := ~nomsg~0;~s1p_old~0 := ~s1p_new~0;~s1p_new~0 := ~nomsg~0;~s2p_old~0 := ~s2p_new~0;~s2p_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_#t~ret24#1, check_#t~ret25#1, check_#t~ret26#1, check_#t~ret27#1, check_#t~ret28#1, check_#t~ret29#1, check_#t~ret30#1, check_#t~ret31#1, check_#t~ret32#1, check_#t~ret33#1, check_#t~ret34#1, check_#t~ret35#1, check_#t~ret36#1, check_#t~ret37#1, check_#t~ret38#1, check_#t~ret39#1, check_#t~ret40#1, check_#t~ret41#1, check_#t~ret42#1, check_#t~ret43#1, check_#t~ret44#1, check_~tmp~3#1, check_~tmp___0~0#1, check_~tmp___1~0#1, check_~tmp___2~0#1, check_~tmp___3~0#1, check_~tmp___4~0#1, check_~tmp___5~0#1, check_~tmp___6~0#1, check_~tmp___7~0#1, check_~tmp___8~0#1, check_~tmp___9~0#1, check_~tmp___10~0#1, check_~tmp___11~0#1, check_~tmp___12~0#1, check_~tmp___13~0#1, check_~tmp___14~0#1, check_~tmp___15~0#1, check_~tmp___16~0#1, check_~tmp___17~0#1, check_~tmp___18~0#1, check_~tmp___19~0#1, check_~tmp___20~0#1;havoc check_~tmp~3#1;havoc check_~tmp___0~0#1;havoc check_~tmp___1~0#1;havoc check_~tmp___2~0#1;havoc check_~tmp___3~0#1;havoc check_~tmp___4~0#1;havoc check_~tmp___5~0#1;havoc check_~tmp___6~0#1;havoc check_~tmp___7~0#1;havoc check_~tmp___8~0#1;havoc check_~tmp___9~0#1;havoc check_~tmp___10~0#1;havoc check_~tmp___11~0#1;havoc check_~tmp___12~0#1;havoc check_~tmp___13~0#1;havoc check_~tmp___14~0#1;havoc check_~tmp___15~0#1;havoc check_~tmp___16~0#1;havoc check_~tmp___17~0#1;havoc check_~tmp___18~0#1;havoc check_~tmp___19~0#1;havoc check_~tmp___20~0#1; 3762#L447 assume !(0 == ~side1Failed~0 % 256); 3873#L450 assume !(0 == ~side2Failed~0 % 256);check_~tmp~3#1 := 0; 3771#L450-2 assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if 0 == check_~tmp~3#1 then 0 else 1) % 256;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 3772#L58-2 assume !(0 == assume_abort_if_not_~cond#1); 3763#L57-1 assume { :end_inline_assume_abort_if_not } true;assume { :begin_inline_read_manual_selection_history } true;read_manual_selection_history_#in~index#1 := 1;havoc read_manual_selection_history_#res#1;havoc read_manual_selection_history_~index#1;read_manual_selection_history_~index#1 := read_manual_selection_history_#in~index#1; 3764#L178 assume !(0 == read_manual_selection_history_~index#1 % 256); 3782#L181 assume 1 == read_manual_selection_history_~index#1 % 256;read_manual_selection_history_#res#1 := ~manual_selection_History_1~0; 3765#L188 check_#t~ret24#1 := read_manual_selection_history_#res#1;assume { :end_inline_read_manual_selection_history } true;check_~tmp___0~0#1 := check_#t~ret24#1;havoc check_#t~ret24#1; 3766#L457 assume !(0 == check_~tmp___0~0#1); 3736#L457-1 assume { :begin_inline_read_side1_failed_history } true;read_side1_failed_history_#in~index#1 := 1;havoc read_side1_failed_history_#res#1;havoc read_side1_failed_history_~index#1;read_side1_failed_history_~index#1 := read_side1_failed_history_#in~index#1; 3757#L88-2 assume !(0 == read_side1_failed_history_~index#1 % 256); 3758#L91-2 assume 1 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_1~0; 3842#L98-2 check_#t~ret29#1 := read_side1_failed_history_#res#1;assume { :end_inline_read_side1_failed_history } true;check_~tmp___7~0#1 := check_#t~ret29#1;havoc check_#t~ret29#1; 3927#L487 assume 0 != check_~tmp___7~0#1 % 256;assume { :begin_inline_read_side2_failed_history } true;read_side2_failed_history_#in~index#1 := 1;havoc read_side2_failed_history_#res#1;havoc read_side2_failed_history_~index#1;read_side2_failed_history_~index#1 := read_side2_failed_history_#in~index#1; 3828#L118-2 assume 0 == read_side2_failed_history_~index#1 % 256;read_side2_failed_history_#res#1 := ~side2Failed_History_0~0; 3829#L128-2 check_#t~ret30#1 := read_side2_failed_history_#res#1;assume { :end_inline_read_side2_failed_history } true;check_~tmp___8~0#1 := check_#t~ret30#1;havoc check_#t~ret30#1; 3968#L489 assume 0 == check_~tmp___8~0#1 % 256;assume { :begin_inline_read_active_side_history } true;read_active_side_history_#in~index#1 := 0;havoc read_active_side_history_#res#1;havoc read_active_side_history_~index#1;read_active_side_history_~index#1 := read_active_side_history_#in~index#1; 3967#L148-1 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 3876#L158-1 check_#t~ret31#1 := read_active_side_history_#res#1;assume { :end_inline_read_active_side_history } true;check_~tmp___5~0#1 := check_#t~ret31#1;havoc check_#t~ret31#1; 3740#L491 assume !(2 == check_~tmp___5~0#1);check_#res#1 := 0; 3741#L537 main_#t~ret62#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret62#1;havoc main_#t~ret62#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 3860#L616-44 assume !(0 == assert_~arg#1 % 256); 3965#L611-22 assume { :end_inline_assert } true; 3911#L582-2 [2021-12-28 09:45:57,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:45:57,474 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 5 times [2021-12-28 09:45:57,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:45:57,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467373186] [2021-12-28 09:45:57,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:45:57,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:45:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:45:57,489 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:45:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:45:57,505 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:45:57,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:45:57,506 INFO L85 PathProgramCache]: Analyzing trace with hash -660211107, now seen corresponding path program 1 times [2021-12-28 09:45:57,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:45:57,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592012602] [2021-12-28 09:45:57,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:45:57,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:45:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:45:57,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:45:57,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:45:57,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592012602] [2021-12-28 09:45:57,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592012602] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:45:57,549 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:45:57,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 09:45:57,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942174979] [2021-12-28 09:45:57,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:45:57,550 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-28 09:45:57,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:45:57,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 09:45:57,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 09:45:57,551 INFO L87 Difference]: Start difference. First operand 312 states and 460 transitions. cyclomatic complexity: 149 Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:45:57,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:45:57,593 INFO L93 Difference]: Finished difference Result 505 states and 735 transitions. [2021-12-28 09:45:57,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 09:45:57,595 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 505 states and 735 transitions. [2021-12-28 09:45:57,598 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 488 [2021-12-28 09:45:57,600 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 505 states to 505 states and 735 transitions. [2021-12-28 09:45:57,600 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 505 [2021-12-28 09:45:57,601 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 505 [2021-12-28 09:45:57,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 505 states and 735 transitions. [2021-12-28 09:45:57,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:45:57,602 INFO L681 BuchiCegarLoop]: Abstraction has 505 states and 735 transitions. [2021-12-28 09:45:57,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states and 735 transitions. [2021-12-28 09:45:57,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 300. [2021-12-28 09:45:57,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 300 states have (on average 1.4533333333333334) internal successors, (436), 299 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:45:57,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 436 transitions. [2021-12-28 09:45:57,607 INFO L704 BuchiCegarLoop]: Abstraction has 300 states and 436 transitions. [2021-12-28 09:45:57,607 INFO L587 BuchiCegarLoop]: Abstraction has 300 states and 436 transitions. [2021-12-28 09:45:57,607 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-28 09:45:57,607 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 300 states and 436 transitions. [2021-12-28 09:45:57,608 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 283 [2021-12-28 09:45:57,608 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:45:57,610 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:45:57,611 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:45:57,611 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-28 09:45:57,613 INFO L791 eck$LassoCheckResult]: Stem: 4786#ULTIMATE.startENTRY 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(52, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~cs1~0 := 0;~cs1_old~0 := 0;~cs1_new~0 := 0;~cs2~0 := 0;~cs2_old~0 := 0;~cs2_new~0 := 0;~s1s2~0 := 0;~s1s2_old~0 := 0;~s1s2_new~0 := 0;~s1s1~0 := 0;~s1s1_old~0 := 0;~s1s1_new~0 := 0;~s2s1~0 := 0;~s2s1_old~0 := 0;~s2s1_new~0 := 0;~s2s2~0 := 0;~s2s2_old~0 := 0;~s2s2_new~0 := 0;~s1p~0 := 0;~s1p_old~0 := 0;~s1p_new~0 := 0;~s2p~0 := 0;~s2p_old~0 := 0;~s2p_new~0 := 0;~side1Failed~0 := 0;~side2Failed~0 := 0;~side1_written~0 := 0;~side2_written~0 := 0;~side1Failed_History_0~0 := 0;~side1Failed_History_1~0 := 0;~side1Failed_History_2~0 := 0;~side2Failed_History_0~0 := 0;~side2Failed_History_1~0 := 0;~side2Failed_History_2~0 := 0;~active_side_History_0~0 := 0;~active_side_History_1~0 := 0;~active_side_History_2~0 := 0;~manual_selection_History_0~0 := 0;~manual_selection_History_1~0 := 0;~manual_selection_History_2~0 := 0; 4759#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~nondet56#1, main_#t~nondet57#1, main_#t~nondet58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~ret61#1, main_#t~ret62#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~side1Failed~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~side2Failed~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~side1_written~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;~side2_written~0 := main_#t~nondet48#1;havoc main_#t~nondet48#1;~side1Failed_History_0~0 := main_#t~nondet49#1;havoc main_#t~nondet49#1;~side1Failed_History_1~0 := main_#t~nondet50#1;havoc main_#t~nondet50#1;~side1Failed_History_2~0 := main_#t~nondet51#1;havoc main_#t~nondet51#1;~side2Failed_History_0~0 := main_#t~nondet52#1;havoc main_#t~nondet52#1;~side2Failed_History_1~0 := main_#t~nondet53#1;havoc main_#t~nondet53#1;~side2Failed_History_2~0 := main_#t~nondet54#1;havoc main_#t~nondet54#1;~active_side_History_0~0 := main_#t~nondet55#1;havoc main_#t~nondet55#1;~active_side_History_1~0 := main_#t~nondet56#1;havoc main_#t~nondet56#1;~active_side_History_2~0 := main_#t~nondet57#1;havoc main_#t~nondet57#1;~manual_selection_History_0~0 := main_#t~nondet58#1;havoc main_#t~nondet58#1;~manual_selection_History_1~0 := main_#t~nondet59#1;havoc main_#t~nondet59#1;~manual_selection_History_2~0 := main_#t~nondet60#1;havoc main_#t~nondet60#1;assume { :begin_inline_init } true;havoc init_#res#1; 4664#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 4665#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 4598#L203 assume !(-2 != ~active_side_History_0~0); 4599#L206 assume !(0 != ~manual_selection_History_0~0); 4617#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 4772#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 4720#L215 assume !(-2 != ~active_side_History_1~0); 4721#L218 assume !(0 != ~manual_selection_History_1~0); 4760#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 4776#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 4690#L227 assume !(-2 != ~active_side_History_2~0); 4691#L230 assume !(0 != ~manual_selection_History_2~0);init_#res#1 := 1; 4656#L233 main_#t~ret61#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret61#1;havoc main_#t~ret61#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 4657#L58 assume !(0 == assume_abort_if_not_~cond#1); 4723#L57 assume { :end_inline_assume_abort_if_not } true;~cs1_old~0 := ~nomsg~0;~cs1_new~0 := ~nomsg~0;~cs2_old~0 := ~nomsg~0;~cs2_new~0 := ~nomsg~0;~s1s2_old~0 := ~nomsg~0;~s1s2_new~0 := ~nomsg~0;~s1s1_old~0 := ~nomsg~0;~s1s1_new~0 := ~nomsg~0;~s2s1_old~0 := ~nomsg~0;~s2s1_new~0 := ~nomsg~0;~s2s2_old~0 := ~nomsg~0;~s2s2_new~0 := ~nomsg~0;~s1p_old~0 := ~nomsg~0;~s1p_new~0 := ~nomsg~0;~s2p_old~0 := ~nomsg~0;~s2p_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 4724#L582-2 [2021-12-28 09:45:57,613 INFO L793 eck$LassoCheckResult]: Loop: 4724#L582-2 assume !false;assume { :begin_inline_Console_task_each_pals_period } true;havoc Console_task_each_pals_period_#t~nondet4#1, Console_task_each_pals_period_#t~ite5#1, Console_task_each_pals_period_#t~ite6#1, Console_task_each_pals_period_~manual_selection~0#1, Console_task_each_pals_period_~tmp~1#1;havoc Console_task_each_pals_period_~manual_selection~0#1;havoc Console_task_each_pals_period_~tmp~1#1;Console_task_each_pals_period_~tmp~1#1 := Console_task_each_pals_period_#t~nondet4#1;havoc Console_task_each_pals_period_#t~nondet4#1;Console_task_each_pals_period_~manual_selection~0#1 := Console_task_each_pals_period_~tmp~1#1;assume { :begin_inline_write_manual_selection_history } true;write_manual_selection_history_#in~val#1 := Console_task_each_pals_period_~manual_selection~0#1;havoc write_manual_selection_history_~val#1;write_manual_selection_history_~val#1 := write_manual_selection_history_#in~val#1;~manual_selection_History_2~0 := ~manual_selection_History_1~0;~manual_selection_History_1~0 := ~manual_selection_History_0~0;~manual_selection_History_0~0 := write_manual_selection_history_~val#1; 4751#L170 assume { :end_inline_write_manual_selection_history } true; 4752#L258 assume Console_task_each_pals_period_~manual_selection~0#1 != ~nomsg~0 && ~cs1_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite5#1 := Console_task_each_pals_period_~manual_selection~0#1; 4753#L258-2 ~cs1_new~0 := (if Console_task_each_pals_period_#t~ite5#1 % 256 <= 127 then Console_task_each_pals_period_#t~ite5#1 % 256 else Console_task_each_pals_period_#t~ite5#1 % 256 - 256);havoc Console_task_each_pals_period_#t~ite5#1; 4768#L259 assume Console_task_each_pals_period_~manual_selection~0#1 != ~nomsg~0 && ~cs2_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite6#1 := Console_task_each_pals_period_~manual_selection~0#1; 4769#L259-2 ~cs2_new~0 := (if Console_task_each_pals_period_#t~ite6#1 % 256 <= 127 then Console_task_each_pals_period_#t~ite6#1 % 256 else Console_task_each_pals_period_#t~ite6#1 % 256 - 256);havoc Console_task_each_pals_period_#t~ite6#1;Console_task_each_pals_period_~manual_selection~0#1 := 0; 4727#L261 assume { :end_inline_Console_task_each_pals_period } true;assume { :begin_inline_Side1_activestandby_task_each_pals_period } true;havoc Side1_activestandby_task_each_pals_period_#t~nondet7#1, Side1_activestandby_task_each_pals_period_#t~ite8#1, Side1_activestandby_task_each_pals_period_#t~ite9#1, Side1_activestandby_task_each_pals_period_#t~ite10#1, Side1_activestandby_task_each_pals_period_#t~ret11#1, Side1_activestandby_task_each_pals_period_#t~ite12#1, Side1_activestandby_task_each_pals_period_#t~ite13#1, Side1_activestandby_task_each_pals_period_#t~ite14#1, Side1_activestandby_task_each_pals_period_~side1~0#1, Side1_activestandby_task_each_pals_period_~side2~0#1, Side1_activestandby_task_each_pals_period_~manual_selection~1#1, Side1_activestandby_task_each_pals_period_~next_state~0#1;havoc Side1_activestandby_task_each_pals_period_~side1~0#1;havoc Side1_activestandby_task_each_pals_period_~side2~0#1;havoc Side1_activestandby_task_each_pals_period_~manual_selection~1#1;havoc Side1_activestandby_task_each_pals_period_~next_state~0#1;Side1_activestandby_task_each_pals_period_~side1~0#1 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0#1 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1#1 := 0;~side1Failed~0 := Side1_activestandby_task_each_pals_period_#t~nondet7#1;havoc Side1_activestandby_task_each_pals_period_#t~nondet7#1;assume { :begin_inline_write_side1_failed_history } true;write_side1_failed_history_#in~val#1 := ~side1Failed~0;havoc write_side1_failed_history_~val#1;write_side1_failed_history_~val#1 := write_side1_failed_history_#in~val#1;~side1Failed_History_2~0 := ~side1Failed_History_1~0;~side1Failed_History_1~0 := ~side1Failed_History_0~0;~side1Failed_History_0~0 := write_side1_failed_history_~val#1; 4728#L80 assume { :end_inline_write_side1_failed_history } true; 4711#L277 assume 0 != ~side1Failed~0 % 256; 4712#L278 assume !(~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite8#1 := ~s1s1_new~0; 4726#L278-2 ~s1s1_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite8#1; 4643#L279 assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite9#1 := ~s1s2_new~0; 4609#L279-2 ~s1s2_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite9#1; 4610#L280 assume !(~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite10#1 := ~s1p_new~0; 4696#L280-2 ~s1p_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite10#1;~side1_written~0 := ~nomsg~0; 4697#L318 assume { :end_inline_Side1_activestandby_task_each_pals_period } true;assume { :begin_inline_Side2_activestandby_task_each_pals_period } true;havoc Side2_activestandby_task_each_pals_period_#t~nondet15#1, Side2_activestandby_task_each_pals_period_#t~ite16#1, Side2_activestandby_task_each_pals_period_#t~ite17#1, Side2_activestandby_task_each_pals_period_#t~ite18#1, Side2_activestandby_task_each_pals_period_#t~ret19#1, Side2_activestandby_task_each_pals_period_#t~ite20#1, Side2_activestandby_task_each_pals_period_#t~ite21#1, Side2_activestandby_task_each_pals_period_#t~ite22#1, Side2_activestandby_task_each_pals_period_~side1~1#1, Side2_activestandby_task_each_pals_period_~side2~1#1, Side2_activestandby_task_each_pals_period_~manual_selection~2#1, Side2_activestandby_task_each_pals_period_~next_state~1#1;havoc Side2_activestandby_task_each_pals_period_~side1~1#1;havoc Side2_activestandby_task_each_pals_period_~side2~1#1;havoc Side2_activestandby_task_each_pals_period_~manual_selection~2#1;havoc Side2_activestandby_task_each_pals_period_~next_state~1#1;Side2_activestandby_task_each_pals_period_~side1~1#1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~side2~1#1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~manual_selection~2#1 := 0;~side2Failed~0 := Side2_activestandby_task_each_pals_period_#t~nondet15#1;havoc Side2_activestandby_task_each_pals_period_#t~nondet15#1;assume { :begin_inline_write_side2_failed_history } true;write_side2_failed_history_#in~val#1 := ~side2Failed~0;havoc write_side2_failed_history_~val#1;write_side2_failed_history_~val#1 := write_side2_failed_history_#in~val#1;~side2Failed_History_2~0 := ~side2Failed_History_1~0;~side2Failed_History_1~0 := ~side2Failed_History_0~0;~side2Failed_History_0~0 := write_side2_failed_history_~val#1; 4660#L110 assume { :end_inline_write_side2_failed_history } true; 4611#L334 assume 0 != ~side2Failed~0 % 256; 4594#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite16#1 := ~s2s1_new~0; 4595#L335-2 ~s2s1_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite16#1; 4608#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite17#1 := ~s2s2_new~0; 4669#L336-2 ~s2s2_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite17#1; 4775#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite18#1 := ~s2p_new~0; 4707#L337-2 ~s2p_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite18#1;~side2_written~0 := ~nomsg~0; 4708#L375 assume { :end_inline_Side2_activestandby_task_each_pals_period } true;assume { :begin_inline_Pendulum_prism_task_each_pals_period } true;havoc Pendulum_prism_task_each_pals_period_#t~ret23#1, Pendulum_prism_task_each_pals_period_~active_side~0#1, Pendulum_prism_task_each_pals_period_~tmp~2#1, Pendulum_prism_task_each_pals_period_~side1~2#1, Pendulum_prism_task_each_pals_period_~side2~2#1;havoc Pendulum_prism_task_each_pals_period_~active_side~0#1;havoc Pendulum_prism_task_each_pals_period_~tmp~2#1;havoc Pendulum_prism_task_each_pals_period_~side1~2#1;havoc Pendulum_prism_task_each_pals_period_~side2~2#1;assume { :begin_inline_read_active_side_history } true;read_active_side_history_#in~index#1 := 0;havoc read_active_side_history_#res#1;havoc read_active_side_history_~index#1;read_active_side_history_~index#1 := read_active_side_history_#in~index#1; 4603#L148 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 4604#L158 Pendulum_prism_task_each_pals_period_#t~ret23#1 := read_active_side_history_#res#1;assume { :end_inline_read_active_side_history } true;Pendulum_prism_task_each_pals_period_~tmp~2#1 := Pendulum_prism_task_each_pals_period_#t~ret23#1;havoc Pendulum_prism_task_each_pals_period_#t~ret23#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := Pendulum_prism_task_each_pals_period_~tmp~2#1;Pendulum_prism_task_each_pals_period_~side1~2#1 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2#1 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side1~2#1 := ~s1p_old~0;~s1p_old~0 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2#1 := ~s2p_old~0;~s2p_old~0 := ~nomsg~0; 4740#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := 1; 4795#L408 assume { :begin_inline_write_active_side_history } true;write_active_side_history_#in~val#1 := Pendulum_prism_task_each_pals_period_~active_side~0#1;havoc write_active_side_history_~val#1;write_active_side_history_~val#1 := write_active_side_history_#in~val#1;~active_side_History_2~0 := ~active_side_History_1~0;~active_side_History_1~0 := ~active_side_History_0~0;~active_side_History_0~0 := write_active_side_history_~val#1; 4793#L140 assume { :end_inline_write_active_side_history } true; 4791#L418 assume { :end_inline_Pendulum_prism_task_each_pals_period } true;~cs1_old~0 := ~cs1_new~0;~cs1_new~0 := ~nomsg~0;~cs2_old~0 := ~cs2_new~0;~cs2_new~0 := ~nomsg~0;~s1s2_old~0 := ~s1s2_new~0;~s1s2_new~0 := ~nomsg~0;~s1s1_old~0 := ~s1s1_new~0;~s1s1_new~0 := ~nomsg~0;~s2s1_old~0 := ~s2s1_new~0;~s2s1_new~0 := ~nomsg~0;~s2s2_old~0 := ~s2s2_new~0;~s2s2_new~0 := ~nomsg~0;~s1p_old~0 := ~s1p_new~0;~s1p_new~0 := ~nomsg~0;~s2p_old~0 := ~s2p_new~0;~s2p_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_#t~ret24#1, check_#t~ret25#1, check_#t~ret26#1, check_#t~ret27#1, check_#t~ret28#1, check_#t~ret29#1, check_#t~ret30#1, check_#t~ret31#1, check_#t~ret32#1, check_#t~ret33#1, check_#t~ret34#1, check_#t~ret35#1, check_#t~ret36#1, check_#t~ret37#1, check_#t~ret38#1, check_#t~ret39#1, check_#t~ret40#1, check_#t~ret41#1, check_#t~ret42#1, check_#t~ret43#1, check_#t~ret44#1, check_~tmp~3#1, check_~tmp___0~0#1, check_~tmp___1~0#1, check_~tmp___2~0#1, check_~tmp___3~0#1, check_~tmp___4~0#1, check_~tmp___5~0#1, check_~tmp___6~0#1, check_~tmp___7~0#1, check_~tmp___8~0#1, check_~tmp___9~0#1, check_~tmp___10~0#1, check_~tmp___11~0#1, check_~tmp___12~0#1, check_~tmp___13~0#1, check_~tmp___14~0#1, check_~tmp___15~0#1, check_~tmp___16~0#1, check_~tmp___17~0#1, check_~tmp___18~0#1, check_~tmp___19~0#1, check_~tmp___20~0#1;havoc check_~tmp~3#1;havoc check_~tmp___0~0#1;havoc check_~tmp___1~0#1;havoc check_~tmp___2~0#1;havoc check_~tmp___3~0#1;havoc check_~tmp___4~0#1;havoc check_~tmp___5~0#1;havoc check_~tmp___6~0#1;havoc check_~tmp___7~0#1;havoc check_~tmp___8~0#1;havoc check_~tmp___9~0#1;havoc check_~tmp___10~0#1;havoc check_~tmp___11~0#1;havoc check_~tmp___12~0#1;havoc check_~tmp___13~0#1;havoc check_~tmp___14~0#1;havoc check_~tmp___15~0#1;havoc check_~tmp___16~0#1;havoc check_~tmp___17~0#1;havoc check_~tmp___18~0#1;havoc check_~tmp___19~0#1;havoc check_~tmp___20~0#1; 4788#L447 assume !(0 == ~side1Failed~0 % 256); 4686#L450 assume !(0 == ~side2Failed~0 % 256);check_~tmp~3#1 := 0; 4592#L450-2 assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if 0 == check_~tmp~3#1 then 0 else 1) % 256;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 4593#L58-2 assume !(0 == assume_abort_if_not_~cond#1); 4584#L57-1 assume { :end_inline_assume_abort_if_not } true;assume { :begin_inline_read_manual_selection_history } true;read_manual_selection_history_#in~index#1 := 1;havoc read_manual_selection_history_#res#1;havoc read_manual_selection_history_~index#1;read_manual_selection_history_~index#1 := read_manual_selection_history_#in~index#1; 4585#L178 assume !(0 == read_manual_selection_history_~index#1 % 256); 4602#L181 assume 1 == read_manual_selection_history_~index#1 % 256;read_manual_selection_history_#res#1 := ~manual_selection_History_1~0; 4586#L188 check_#t~ret24#1 := read_manual_selection_history_#res#1;assume { :end_inline_read_manual_selection_history } true;check_~tmp___0~0#1 := check_#t~ret24#1;havoc check_#t~ret24#1; 4587#L457 assume !(0 == check_~tmp___0~0#1); 4559#L457-1 assume { :begin_inline_read_side1_failed_history } true;read_side1_failed_history_#in~index#1 := 1;havoc read_side1_failed_history_#res#1;havoc read_side1_failed_history_~index#1;read_side1_failed_history_~index#1 := read_side1_failed_history_#in~index#1; 4578#L88-2 assume !(0 == read_side1_failed_history_~index#1 % 256); 4579#L91-2 assume 1 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_1~0; 4659#L98-2 check_#t~ret29#1 := read_side1_failed_history_#res#1;assume { :end_inline_read_side1_failed_history } true;check_~tmp___7~0#1 := check_#t~ret29#1;havoc check_#t~ret29#1; 4741#L487 assume 0 != check_~tmp___7~0#1 % 256;assume { :begin_inline_read_side2_failed_history } true;read_side2_failed_history_#in~index#1 := 1;havoc read_side2_failed_history_#res#1;havoc read_side2_failed_history_~index#1;read_side2_failed_history_~index#1 := read_side2_failed_history_#in~index#1; 4648#L118-2 assume !(0 == read_side2_failed_history_~index#1 % 256); 4649#L121-2 assume 1 == read_side2_failed_history_~index#1 % 256;read_side2_failed_history_#res#1 := ~side2Failed_History_1~0; 4733#L128-2 check_#t~ret30#1 := read_side2_failed_history_#res#1;assume { :end_inline_read_side2_failed_history } true;check_~tmp___8~0#1 := check_#t~ret30#1;havoc check_#t~ret30#1; 4785#L489 assume 0 == check_~tmp___8~0#1 % 256;assume { :begin_inline_read_active_side_history } true;read_active_side_history_#in~index#1 := 0;havoc read_active_side_history_#res#1;havoc read_active_side_history_~index#1;read_active_side_history_~index#1 := read_active_side_history_#in~index#1; 4783#L148-1 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 4689#L158-1 check_#t~ret31#1 := read_active_side_history_#res#1;assume { :end_inline_read_active_side_history } true;check_~tmp___5~0#1 := check_#t~ret31#1;havoc check_#t~ret31#1; 4563#L491 assume !(2 == check_~tmp___5~0#1);check_#res#1 := 0; 4564#L537 main_#t~ret62#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret62#1;havoc main_#t~ret62#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 4674#L616-44 assume !(0 == assert_~arg#1 % 256); 4779#L611-22 assume { :end_inline_assert } true; 4724#L582-2 [2021-12-28 09:45:57,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:45:57,614 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 6 times [2021-12-28 09:45:57,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:45:57,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813489452] [2021-12-28 09:45:57,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:45:57,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:45:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:45:57,633 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:45:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:45:57,651 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:45:57,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:45:57,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1185029510, now seen corresponding path program 1 times [2021-12-28 09:45:57,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:45:57,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748922559] [2021-12-28 09:45:57,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:45:57,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:45:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:45:57,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:45:57,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:45:57,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748922559] [2021-12-28 09:45:57,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748922559] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:45:57,739 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:45:57,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 09:45:57,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247968288] [2021-12-28 09:45:57,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:45:57,739 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-28 09:45:57,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:45:57,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 09:45:57,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 09:45:57,740 INFO L87 Difference]: Start difference. First operand 300 states and 436 transitions. cyclomatic complexity: 137 Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:45:57,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:45:57,782 INFO L93 Difference]: Finished difference Result 286 states and 405 transitions. [2021-12-28 09:45:57,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 09:45:57,783 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 286 states and 405 transitions. [2021-12-28 09:45:57,784 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2021-12-28 09:45:57,785 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 286 states to 268 states and 380 transitions. [2021-12-28 09:45:57,785 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 268 [2021-12-28 09:45:57,786 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 268 [2021-12-28 09:45:57,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 268 states and 380 transitions. [2021-12-28 09:45:57,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:45:57,786 INFO L681 BuchiCegarLoop]: Abstraction has 268 states and 380 transitions. [2021-12-28 09:45:57,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states and 380 transitions. [2021-12-28 09:45:57,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2021-12-28 09:45:57,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 268 states have (on average 1.4179104477611941) internal successors, (380), 267 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:45:57,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 380 transitions. [2021-12-28 09:45:57,789 INFO L704 BuchiCegarLoop]: Abstraction has 268 states and 380 transitions. [2021-12-28 09:45:57,789 INFO L587 BuchiCegarLoop]: Abstraction has 268 states and 380 transitions. [2021-12-28 09:45:57,789 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-28 09:45:57,789 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 268 states and 380 transitions. [2021-12-28 09:45:57,790 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2021-12-28 09:45:57,790 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:45:57,790 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:45:57,791 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:45:57,791 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-28 09:45:57,791 INFO L791 eck$LassoCheckResult]: Stem: 5350#ULTIMATE.startENTRY 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(52, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~cs1~0 := 0;~cs1_old~0 := 0;~cs1_new~0 := 0;~cs2~0 := 0;~cs2_old~0 := 0;~cs2_new~0 := 0;~s1s2~0 := 0;~s1s2_old~0 := 0;~s1s2_new~0 := 0;~s1s1~0 := 0;~s1s1_old~0 := 0;~s1s1_new~0 := 0;~s2s1~0 := 0;~s2s1_old~0 := 0;~s2s1_new~0 := 0;~s2s2~0 := 0;~s2s2_old~0 := 0;~s2s2_new~0 := 0;~s1p~0 := 0;~s1p_old~0 := 0;~s1p_new~0 := 0;~s2p~0 := 0;~s2p_old~0 := 0;~s2p_new~0 := 0;~side1Failed~0 := 0;~side2Failed~0 := 0;~side1_written~0 := 0;~side2_written~0 := 0;~side1Failed_History_0~0 := 0;~side1Failed_History_1~0 := 0;~side1Failed_History_2~0 := 0;~side2Failed_History_0~0 := 0;~side2Failed_History_1~0 := 0;~side2Failed_History_2~0 := 0;~active_side_History_0~0 := 0;~active_side_History_1~0 := 0;~active_side_History_2~0 := 0;~manual_selection_History_0~0 := 0;~manual_selection_History_1~0 := 0;~manual_selection_History_2~0 := 0; 5328#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~nondet56#1, main_#t~nondet57#1, main_#t~nondet58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~ret61#1, main_#t~ret62#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~side1Failed~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~side2Failed~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~side1_written~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;~side2_written~0 := main_#t~nondet48#1;havoc main_#t~nondet48#1;~side1Failed_History_0~0 := main_#t~nondet49#1;havoc main_#t~nondet49#1;~side1Failed_History_1~0 := main_#t~nondet50#1;havoc main_#t~nondet50#1;~side1Failed_History_2~0 := main_#t~nondet51#1;havoc main_#t~nondet51#1;~side2Failed_History_0~0 := main_#t~nondet52#1;havoc main_#t~nondet52#1;~side2Failed_History_1~0 := main_#t~nondet53#1;havoc main_#t~nondet53#1;~side2Failed_History_2~0 := main_#t~nondet54#1;havoc main_#t~nondet54#1;~active_side_History_0~0 := main_#t~nondet55#1;havoc main_#t~nondet55#1;~active_side_History_1~0 := main_#t~nondet56#1;havoc main_#t~nondet56#1;~active_side_History_2~0 := main_#t~nondet57#1;havoc main_#t~nondet57#1;~manual_selection_History_0~0 := main_#t~nondet58#1;havoc main_#t~nondet58#1;~manual_selection_History_1~0 := main_#t~nondet59#1;havoc main_#t~nondet59#1;~manual_selection_History_2~0 := main_#t~nondet60#1;havoc main_#t~nondet60#1;assume { :begin_inline_init } true;havoc init_#res#1; 5244#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 5245#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 5187#L203 assume !(-2 != ~active_side_History_0~0); 5188#L206 assume !(0 != ~manual_selection_History_0~0); 5206#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 5339#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 5294#L215 assume !(-2 != ~active_side_History_1~0); 5295#L218 assume !(0 != ~manual_selection_History_1~0); 5330#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 5343#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 5268#L227 assume !(-2 != ~active_side_History_2~0); 5269#L230 assume !(0 != ~manual_selection_History_2~0);init_#res#1 := 1; 5235#L233 main_#t~ret61#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret61#1;havoc main_#t~ret61#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 5236#L58 assume !(0 == assume_abort_if_not_~cond#1); 5296#L57 assume { :end_inline_assume_abort_if_not } true;~cs1_old~0 := ~nomsg~0;~cs1_new~0 := ~nomsg~0;~cs2_old~0 := ~nomsg~0;~cs2_new~0 := ~nomsg~0;~s1s2_old~0 := ~nomsg~0;~s1s2_new~0 := ~nomsg~0;~s1s1_old~0 := ~nomsg~0;~s1s1_new~0 := ~nomsg~0;~s2s1_old~0 := ~nomsg~0;~s2s1_new~0 := ~nomsg~0;~s2s2_old~0 := ~nomsg~0;~s2s2_new~0 := ~nomsg~0;~s1p_old~0 := ~nomsg~0;~s1p_new~0 := ~nomsg~0;~s2p_old~0 := ~nomsg~0;~s2p_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 5297#L582-2 [2021-12-28 09:45:57,791 INFO L793 eck$LassoCheckResult]: Loop: 5297#L582-2 assume !false;assume { :begin_inline_Console_task_each_pals_period } true;havoc Console_task_each_pals_period_#t~nondet4#1, Console_task_each_pals_period_#t~ite5#1, Console_task_each_pals_period_#t~ite6#1, Console_task_each_pals_period_~manual_selection~0#1, Console_task_each_pals_period_~tmp~1#1;havoc Console_task_each_pals_period_~manual_selection~0#1;havoc Console_task_each_pals_period_~tmp~1#1;Console_task_each_pals_period_~tmp~1#1 := Console_task_each_pals_period_#t~nondet4#1;havoc Console_task_each_pals_period_#t~nondet4#1;Console_task_each_pals_period_~manual_selection~0#1 := Console_task_each_pals_period_~tmp~1#1;assume { :begin_inline_write_manual_selection_history } true;write_manual_selection_history_#in~val#1 := Console_task_each_pals_period_~manual_selection~0#1;havoc write_manual_selection_history_~val#1;write_manual_selection_history_~val#1 := write_manual_selection_history_#in~val#1;~manual_selection_History_2~0 := ~manual_selection_History_1~0;~manual_selection_History_1~0 := ~manual_selection_History_0~0;~manual_selection_History_0~0 := write_manual_selection_history_~val#1; 5321#L170 assume { :end_inline_write_manual_selection_history } true; 5322#L258 assume Console_task_each_pals_period_~manual_selection~0#1 != ~nomsg~0 && ~cs1_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite5#1 := Console_task_each_pals_period_~manual_selection~0#1; 5323#L258-2 ~cs1_new~0 := (if Console_task_each_pals_period_#t~ite5#1 % 256 <= 127 then Console_task_each_pals_period_#t~ite5#1 % 256 else Console_task_each_pals_period_#t~ite5#1 % 256 - 256);havoc Console_task_each_pals_period_#t~ite5#1; 5335#L259 assume Console_task_each_pals_period_~manual_selection~0#1 != ~nomsg~0 && ~cs2_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite6#1 := Console_task_each_pals_period_~manual_selection~0#1; 5336#L259-2 ~cs2_new~0 := (if Console_task_each_pals_period_#t~ite6#1 % 256 <= 127 then Console_task_each_pals_period_#t~ite6#1 % 256 else Console_task_each_pals_period_#t~ite6#1 % 256 - 256);havoc Console_task_each_pals_period_#t~ite6#1;Console_task_each_pals_period_~manual_selection~0#1 := 0; 5301#L261 assume { :end_inline_Console_task_each_pals_period } true;assume { :begin_inline_Side1_activestandby_task_each_pals_period } true;havoc Side1_activestandby_task_each_pals_period_#t~nondet7#1, Side1_activestandby_task_each_pals_period_#t~ite8#1, Side1_activestandby_task_each_pals_period_#t~ite9#1, Side1_activestandby_task_each_pals_period_#t~ite10#1, Side1_activestandby_task_each_pals_period_#t~ret11#1, Side1_activestandby_task_each_pals_period_#t~ite12#1, Side1_activestandby_task_each_pals_period_#t~ite13#1, Side1_activestandby_task_each_pals_period_#t~ite14#1, Side1_activestandby_task_each_pals_period_~side1~0#1, Side1_activestandby_task_each_pals_period_~side2~0#1, Side1_activestandby_task_each_pals_period_~manual_selection~1#1, Side1_activestandby_task_each_pals_period_~next_state~0#1;havoc Side1_activestandby_task_each_pals_period_~side1~0#1;havoc Side1_activestandby_task_each_pals_period_~side2~0#1;havoc Side1_activestandby_task_each_pals_period_~manual_selection~1#1;havoc Side1_activestandby_task_each_pals_period_~next_state~0#1;Side1_activestandby_task_each_pals_period_~side1~0#1 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0#1 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1#1 := 0;~side1Failed~0 := Side1_activestandby_task_each_pals_period_#t~nondet7#1;havoc Side1_activestandby_task_each_pals_period_#t~nondet7#1;assume { :begin_inline_write_side1_failed_history } true;write_side1_failed_history_#in~val#1 := ~side1Failed~0;havoc write_side1_failed_history_~val#1;write_side1_failed_history_~val#1 := write_side1_failed_history_#in~val#1;~side1Failed_History_2~0 := ~side1Failed_History_1~0;~side1Failed_History_1~0 := ~side1Failed_History_0~0;~side1Failed_History_0~0 := write_side1_failed_history_~val#1; 5302#L80 assume { :end_inline_write_side1_failed_history } true; 5287#L277 assume 0 != ~side1Failed~0 % 256; 5288#L278 assume !(~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite8#1 := ~s1s1_new~0; 5299#L278-2 ~s1s1_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite8#1; 5224#L279 assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite9#1 := ~s1s2_new~0; 5198#L279-2 ~s1s2_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite9#1; 5199#L280 assume !(~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite10#1 := ~s1p_new~0; 5273#L280-2 ~s1p_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite10#1;~side1_written~0 := ~nomsg~0; 5274#L318 assume { :end_inline_Side1_activestandby_task_each_pals_period } true;assume { :begin_inline_Side2_activestandby_task_each_pals_period } true;havoc Side2_activestandby_task_each_pals_period_#t~nondet15#1, Side2_activestandby_task_each_pals_period_#t~ite16#1, Side2_activestandby_task_each_pals_period_#t~ite17#1, Side2_activestandby_task_each_pals_period_#t~ite18#1, Side2_activestandby_task_each_pals_period_#t~ret19#1, Side2_activestandby_task_each_pals_period_#t~ite20#1, Side2_activestandby_task_each_pals_period_#t~ite21#1, Side2_activestandby_task_each_pals_period_#t~ite22#1, Side2_activestandby_task_each_pals_period_~side1~1#1, Side2_activestandby_task_each_pals_period_~side2~1#1, Side2_activestandby_task_each_pals_period_~manual_selection~2#1, Side2_activestandby_task_each_pals_period_~next_state~1#1;havoc Side2_activestandby_task_each_pals_period_~side1~1#1;havoc Side2_activestandby_task_each_pals_period_~side2~1#1;havoc Side2_activestandby_task_each_pals_period_~manual_selection~2#1;havoc Side2_activestandby_task_each_pals_period_~next_state~1#1;Side2_activestandby_task_each_pals_period_~side1~1#1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~side2~1#1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~manual_selection~2#1 := 0;~side2Failed~0 := Side2_activestandby_task_each_pals_period_#t~nondet15#1;havoc Side2_activestandby_task_each_pals_period_#t~nondet15#1;assume { :begin_inline_write_side2_failed_history } true;write_side2_failed_history_#in~val#1 := ~side2Failed~0;havoc write_side2_failed_history_~val#1;write_side2_failed_history_~val#1 := write_side2_failed_history_#in~val#1;~side2Failed_History_2~0 := ~side2Failed_History_1~0;~side2Failed_History_1~0 := ~side2Failed_History_0~0;~side2Failed_History_0~0 := write_side2_failed_history_~val#1; 5398#L110 assume { :end_inline_write_side2_failed_history } true; 5397#L334 assume 0 != ~side2Failed~0 % 256; 5183#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite16#1 := ~s2s1_new~0; 5184#L335-2 ~s2s1_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite16#1; 5197#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite17#1 := ~s2s2_new~0; 5251#L336-2 ~s2s2_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite17#1; 5342#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite18#1 := ~s2p_new~0; 5283#L337-2 ~s2p_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite18#1;~side2_written~0 := ~nomsg~0; 5284#L375 assume { :end_inline_Side2_activestandby_task_each_pals_period } true;assume { :begin_inline_Pendulum_prism_task_each_pals_period } true;havoc Pendulum_prism_task_each_pals_period_#t~ret23#1, Pendulum_prism_task_each_pals_period_~active_side~0#1, Pendulum_prism_task_each_pals_period_~tmp~2#1, Pendulum_prism_task_each_pals_period_~side1~2#1, Pendulum_prism_task_each_pals_period_~side2~2#1;havoc Pendulum_prism_task_each_pals_period_~active_side~0#1;havoc Pendulum_prism_task_each_pals_period_~tmp~2#1;havoc Pendulum_prism_task_each_pals_period_~side1~2#1;havoc Pendulum_prism_task_each_pals_period_~side2~2#1;assume { :begin_inline_read_active_side_history } true;read_active_side_history_#in~index#1 := 0;havoc read_active_side_history_#res#1;havoc read_active_side_history_~index#1;read_active_side_history_~index#1 := read_active_side_history_#in~index#1; 5192#L148 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 5193#L158 Pendulum_prism_task_each_pals_period_#t~ret23#1 := read_active_side_history_#res#1;assume { :end_inline_read_active_side_history } true;Pendulum_prism_task_each_pals_period_~tmp~2#1 := Pendulum_prism_task_each_pals_period_#t~ret23#1;havoc Pendulum_prism_task_each_pals_period_#t~ret23#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := Pendulum_prism_task_each_pals_period_~tmp~2#1;Pendulum_prism_task_each_pals_period_~side1~2#1 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2#1 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side1~2#1 := ~s1p_old~0;~s1p_old~0 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2#1 := ~s2p_old~0;~s2p_old~0 := ~nomsg~0; 5311#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := 1; 5163#L408 assume { :begin_inline_write_active_side_history } true;write_active_side_history_#in~val#1 := Pendulum_prism_task_each_pals_period_~active_side~0#1;havoc write_active_side_history_~val#1;write_active_side_history_~val#1 := write_active_side_history_#in~val#1;~active_side_History_2~0 := ~active_side_History_1~0;~active_side_History_1~0 := ~active_side_History_0~0;~active_side_History_0~0 := write_active_side_history_~val#1; 5230#L140 assume { :end_inline_write_active_side_history } true; 5171#L418 assume { :end_inline_Pendulum_prism_task_each_pals_period } true;~cs1_old~0 := ~cs1_new~0;~cs1_new~0 := ~nomsg~0;~cs2_old~0 := ~cs2_new~0;~cs2_new~0 := ~nomsg~0;~s1s2_old~0 := ~s1s2_new~0;~s1s2_new~0 := ~nomsg~0;~s1s1_old~0 := ~s1s1_new~0;~s1s1_new~0 := ~nomsg~0;~s2s1_old~0 := ~s2s1_new~0;~s2s1_new~0 := ~nomsg~0;~s2s2_old~0 := ~s2s2_new~0;~s2s2_new~0 := ~nomsg~0;~s1p_old~0 := ~s1p_new~0;~s1p_new~0 := ~nomsg~0;~s2p_old~0 := ~s2p_new~0;~s2p_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_#t~ret24#1, check_#t~ret25#1, check_#t~ret26#1, check_#t~ret27#1, check_#t~ret28#1, check_#t~ret29#1, check_#t~ret30#1, check_#t~ret31#1, check_#t~ret32#1, check_#t~ret33#1, check_#t~ret34#1, check_#t~ret35#1, check_#t~ret36#1, check_#t~ret37#1, check_#t~ret38#1, check_#t~ret39#1, check_#t~ret40#1, check_#t~ret41#1, check_#t~ret42#1, check_#t~ret43#1, check_#t~ret44#1, check_~tmp~3#1, check_~tmp___0~0#1, check_~tmp___1~0#1, check_~tmp___2~0#1, check_~tmp___3~0#1, check_~tmp___4~0#1, check_~tmp___5~0#1, check_~tmp___6~0#1, check_~tmp___7~0#1, check_~tmp___8~0#1, check_~tmp___9~0#1, check_~tmp___10~0#1, check_~tmp___11~0#1, check_~tmp___12~0#1, check_~tmp___13~0#1, check_~tmp___14~0#1, check_~tmp___15~0#1, check_~tmp___16~0#1, check_~tmp___17~0#1, check_~tmp___18~0#1, check_~tmp___19~0#1, check_~tmp___20~0#1;havoc check_~tmp~3#1;havoc check_~tmp___0~0#1;havoc check_~tmp___1~0#1;havoc check_~tmp___2~0#1;havoc check_~tmp___3~0#1;havoc check_~tmp___4~0#1;havoc check_~tmp___5~0#1;havoc check_~tmp___6~0#1;havoc check_~tmp___7~0#1;havoc check_~tmp___8~0#1;havoc check_~tmp___9~0#1;havoc check_~tmp___10~0#1;havoc check_~tmp___11~0#1;havoc check_~tmp___12~0#1;havoc check_~tmp___13~0#1;havoc check_~tmp___14~0#1;havoc check_~tmp___15~0#1;havoc check_~tmp___16~0#1;havoc check_~tmp___17~0#1;havoc check_~tmp___18~0#1;havoc check_~tmp___19~0#1;havoc check_~tmp___20~0#1; 5172#L447 assume !(0 == ~side1Failed~0 % 256); 5265#L450 assume !(0 == ~side2Failed~0 % 256);check_~tmp~3#1 := 0; 5181#L450-2 assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if 0 == check_~tmp~3#1 then 0 else 1) % 256;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 5182#L58-2 assume !(0 == assume_abort_if_not_~cond#1); 5173#L57-1 assume { :end_inline_assume_abort_if_not } true;assume { :begin_inline_read_manual_selection_history } true;read_manual_selection_history_#in~index#1 := 1;havoc read_manual_selection_history_#res#1;havoc read_manual_selection_history_~index#1;read_manual_selection_history_~index#1 := read_manual_selection_history_#in~index#1; 5174#L178 assume !(0 == read_manual_selection_history_~index#1 % 256); 5191#L181 assume 1 == read_manual_selection_history_~index#1 % 256;read_manual_selection_history_#res#1 := ~manual_selection_History_1~0; 5175#L188 check_#t~ret24#1 := read_manual_selection_history_#res#1;assume { :end_inline_read_manual_selection_history } true;check_~tmp___0~0#1 := check_#t~ret24#1;havoc check_#t~ret24#1; 5176#L457 assume !(0 == check_~tmp___0~0#1); 5152#L457-1 assume { :begin_inline_read_side1_failed_history } true;read_side1_failed_history_#in~index#1 := 1;havoc read_side1_failed_history_#res#1;havoc read_side1_failed_history_~index#1;read_side1_failed_history_~index#1 := read_side1_failed_history_#in~index#1; 5167#L88-2 assume !(0 == read_side1_failed_history_~index#1 % 256); 5168#L91-2 assume 1 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_1~0; 5240#L98-2 check_#t~ret29#1 := read_side1_failed_history_#res#1;assume { :end_inline_read_side1_failed_history } true;check_~tmp___7~0#1 := check_#t~ret29#1;havoc check_#t~ret29#1; 5314#L487 assume !(0 != check_~tmp___7~0#1 % 256); 5304#L487-1 assume { :begin_inline_read_side1_failed_history } true;read_side1_failed_history_#in~index#1 := 1;havoc read_side1_failed_history_#res#1;havoc read_side1_failed_history_~index#1;read_side1_failed_history_~index#1 := read_side1_failed_history_#in~index#1; 5305#L88-3 assume !(0 == read_side1_failed_history_~index#1 % 256); 5286#L91-3 assume 1 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_1~0; 5270#L98-3 check_#t~ret33#1 := read_side1_failed_history_#res#1;assume { :end_inline_read_side1_failed_history } true;check_~tmp___11~0#1 := check_#t~ret33#1;havoc check_#t~ret33#1; 5271#L503 assume !(0 == check_~tmp___11~0#1 % 256); 5313#L503-1 assume { :begin_inline_read_active_side_history } true;read_active_side_history_#in~index#1 := 2;havoc read_active_side_history_#res#1;havoc read_active_side_history_~index#1;read_active_side_history_~index#1 := read_active_side_history_#in~index#1; 5275#L148-3 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 5234#L158-3 check_#t~ret37#1 := read_active_side_history_#res#1;assume { :end_inline_read_active_side_history } true;check_~tmp___20~0#1 := check_#t~ret37#1;havoc check_#t~ret37#1; 5331#L519 assume !(check_~tmp___20~0#1 > -2); 5214#L519-1 check_#res#1 := 1; 5257#L537 main_#t~ret62#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret62#1;havoc main_#t~ret62#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 5258#L616-44 assume !(0 == assert_~arg#1 % 256); 5346#L611-22 assume { :end_inline_assert } true; 5297#L582-2 [2021-12-28 09:45:57,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:45:57,791 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 7 times [2021-12-28 09:45:57,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:45:57,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496267746] [2021-12-28 09:45:57,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:45:57,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:45:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:45:57,807 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:45:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:45:57,815 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:45:57,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:45:57,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1733341918, now seen corresponding path program 1 times [2021-12-28 09:45:57,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:45:57,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548812467] [2021-12-28 09:45:57,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:45:57,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:45:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:45:57,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:45:57,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:45:57,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548812467] [2021-12-28 09:45:57,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548812467] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:45:57,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:45:57,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 09:45:57,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314730566] [2021-12-28 09:45:57,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:45:57,856 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-28 09:45:57,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:45:57,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 09:45:57,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 09:45:57,857 INFO L87 Difference]: Start difference. First operand 268 states and 380 transitions. cyclomatic complexity: 113 Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:45:58,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:45:58,020 INFO L93 Difference]: Finished difference Result 1119 states and 1585 transitions. [2021-12-28 09:45:58,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-28 09:45:58,022 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1119 states and 1585 transitions. [2021-12-28 09:45:58,027 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1102 [2021-12-28 09:45:58,043 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1119 states to 1119 states and 1585 transitions. [2021-12-28 09:45:58,043 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1119 [2021-12-28 09:45:58,044 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1119 [2021-12-28 09:45:58,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1119 states and 1585 transitions. [2021-12-28 09:45:58,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:45:58,045 INFO L681 BuchiCegarLoop]: Abstraction has 1119 states and 1585 transitions. [2021-12-28 09:45:58,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states and 1585 transitions. [2021-12-28 09:45:58,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 361. [2021-12-28 09:45:58,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 361 states have (on average 1.3933518005540166) internal successors, (503), 360 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:45:58,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 503 transitions. [2021-12-28 09:45:58,052 INFO L704 BuchiCegarLoop]: Abstraction has 361 states and 503 transitions. [2021-12-28 09:45:58,052 INFO L587 BuchiCegarLoop]: Abstraction has 361 states and 503 transitions. [2021-12-28 09:45:58,052 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-28 09:45:58,052 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 361 states and 503 transitions. [2021-12-28 09:45:58,053 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 344 [2021-12-28 09:45:58,053 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:45:58,053 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:45:58,054 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:45:58,054 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-28 09:45:58,054 INFO L791 eck$LassoCheckResult]: Stem: 6801#ULTIMATE.startENTRY 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(52, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~cs1~0 := 0;~cs1_old~0 := 0;~cs1_new~0 := 0;~cs2~0 := 0;~cs2_old~0 := 0;~cs2_new~0 := 0;~s1s2~0 := 0;~s1s2_old~0 := 0;~s1s2_new~0 := 0;~s1s1~0 := 0;~s1s1_old~0 := 0;~s1s1_new~0 := 0;~s2s1~0 := 0;~s2s1_old~0 := 0;~s2s1_new~0 := 0;~s2s2~0 := 0;~s2s2_old~0 := 0;~s2s2_new~0 := 0;~s1p~0 := 0;~s1p_old~0 := 0;~s1p_new~0 := 0;~s2p~0 := 0;~s2p_old~0 := 0;~s2p_new~0 := 0;~side1Failed~0 := 0;~side2Failed~0 := 0;~side1_written~0 := 0;~side2_written~0 := 0;~side1Failed_History_0~0 := 0;~side1Failed_History_1~0 := 0;~side1Failed_History_2~0 := 0;~side2Failed_History_0~0 := 0;~side2Failed_History_1~0 := 0;~side2Failed_History_2~0 := 0;~active_side_History_0~0 := 0;~active_side_History_1~0 := 0;~active_side_History_2~0 := 0;~manual_selection_History_0~0 := 0;~manual_selection_History_1~0 := 0;~manual_selection_History_2~0 := 0; 6762#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~nondet56#1, main_#t~nondet57#1, main_#t~nondet58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~ret61#1, main_#t~ret62#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~side1Failed~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~side2Failed~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~side1_written~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;~side2_written~0 := main_#t~nondet48#1;havoc main_#t~nondet48#1;~side1Failed_History_0~0 := main_#t~nondet49#1;havoc main_#t~nondet49#1;~side1Failed_History_1~0 := main_#t~nondet50#1;havoc main_#t~nondet50#1;~side1Failed_History_2~0 := main_#t~nondet51#1;havoc main_#t~nondet51#1;~side2Failed_History_0~0 := main_#t~nondet52#1;havoc main_#t~nondet52#1;~side2Failed_History_1~0 := main_#t~nondet53#1;havoc main_#t~nondet53#1;~side2Failed_History_2~0 := main_#t~nondet54#1;havoc main_#t~nondet54#1;~active_side_History_0~0 := main_#t~nondet55#1;havoc main_#t~nondet55#1;~active_side_History_1~0 := main_#t~nondet56#1;havoc main_#t~nondet56#1;~active_side_History_2~0 := main_#t~nondet57#1;havoc main_#t~nondet57#1;~manual_selection_History_0~0 := main_#t~nondet58#1;havoc main_#t~nondet58#1;~manual_selection_History_1~0 := main_#t~nondet59#1;havoc main_#t~nondet59#1;~manual_selection_History_2~0 := main_#t~nondet60#1;havoc main_#t~nondet60#1;assume { :begin_inline_init } true;havoc init_#res#1; 6665#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 6666#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 6607#L203 assume !(-2 != ~active_side_History_0~0); 6608#L206 assume !(0 != ~manual_selection_History_0~0); 6626#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 6780#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 6718#L215 assume !(-2 != ~active_side_History_1~0); 6719#L218 assume !(0 != ~manual_selection_History_1~0); 6763#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 6784#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 6691#L227 assume !(-2 != ~active_side_History_2~0); 6692#L230 assume !(0 != ~manual_selection_History_2~0);init_#res#1 := 1; 6655#L233 main_#t~ret61#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret61#1;havoc main_#t~ret61#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 6656#L58 assume !(0 == assume_abort_if_not_~cond#1); 6720#L57 assume { :end_inline_assume_abort_if_not } true;~cs1_old~0 := ~nomsg~0;~cs1_new~0 := ~nomsg~0;~cs2_old~0 := ~nomsg~0;~cs2_new~0 := ~nomsg~0;~s1s2_old~0 := ~nomsg~0;~s1s2_new~0 := ~nomsg~0;~s1s1_old~0 := ~nomsg~0;~s1s1_new~0 := ~nomsg~0;~s2s1_old~0 := ~nomsg~0;~s2s1_new~0 := ~nomsg~0;~s2s2_old~0 := ~nomsg~0;~s2s2_new~0 := ~nomsg~0;~s1p_old~0 := ~nomsg~0;~s1p_new~0 := ~nomsg~0;~s2p_old~0 := ~nomsg~0;~s2p_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 6721#L582-2 [2021-12-28 09:45:58,054 INFO L793 eck$LassoCheckResult]: Loop: 6721#L582-2 assume !false;assume { :begin_inline_Console_task_each_pals_period } true;havoc Console_task_each_pals_period_#t~nondet4#1, Console_task_each_pals_period_#t~ite5#1, Console_task_each_pals_period_#t~ite6#1, Console_task_each_pals_period_~manual_selection~0#1, Console_task_each_pals_period_~tmp~1#1;havoc Console_task_each_pals_period_~manual_selection~0#1;havoc Console_task_each_pals_period_~tmp~1#1;Console_task_each_pals_period_~tmp~1#1 := Console_task_each_pals_period_#t~nondet4#1;havoc Console_task_each_pals_period_#t~nondet4#1;Console_task_each_pals_period_~manual_selection~0#1 := Console_task_each_pals_period_~tmp~1#1;assume { :begin_inline_write_manual_selection_history } true;write_manual_selection_history_#in~val#1 := Console_task_each_pals_period_~manual_selection~0#1;havoc write_manual_selection_history_~val#1;write_manual_selection_history_~val#1 := write_manual_selection_history_#in~val#1;~manual_selection_History_2~0 := ~manual_selection_History_1~0;~manual_selection_History_1~0 := ~manual_selection_History_0~0;~manual_selection_History_0~0 := write_manual_selection_history_~val#1; 6753#L170 assume { :end_inline_write_manual_selection_history } true; 6754#L258 assume Console_task_each_pals_period_~manual_selection~0#1 != ~nomsg~0 && ~cs1_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite5#1 := Console_task_each_pals_period_~manual_selection~0#1; 6755#L258-2 ~cs1_new~0 := (if Console_task_each_pals_period_#t~ite5#1 % 256 <= 127 then Console_task_each_pals_period_#t~ite5#1 % 256 else Console_task_each_pals_period_#t~ite5#1 % 256 - 256);havoc Console_task_each_pals_period_#t~ite5#1; 6773#L259 assume Console_task_each_pals_period_~manual_selection~0#1 != ~nomsg~0 && ~cs2_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite6#1 := Console_task_each_pals_period_~manual_selection~0#1; 6774#L259-2 ~cs2_new~0 := (if Console_task_each_pals_period_#t~ite6#1 % 256 <= 127 then Console_task_each_pals_period_#t~ite6#1 % 256 else Console_task_each_pals_period_#t~ite6#1 % 256 - 256);havoc Console_task_each_pals_period_#t~ite6#1;Console_task_each_pals_period_~manual_selection~0#1 := 0; 6725#L261 assume { :end_inline_Console_task_each_pals_period } true;assume { :begin_inline_Side1_activestandby_task_each_pals_period } true;havoc Side1_activestandby_task_each_pals_period_#t~nondet7#1, Side1_activestandby_task_each_pals_period_#t~ite8#1, Side1_activestandby_task_each_pals_period_#t~ite9#1, Side1_activestandby_task_each_pals_period_#t~ite10#1, Side1_activestandby_task_each_pals_period_#t~ret11#1, Side1_activestandby_task_each_pals_period_#t~ite12#1, Side1_activestandby_task_each_pals_period_#t~ite13#1, Side1_activestandby_task_each_pals_period_#t~ite14#1, Side1_activestandby_task_each_pals_period_~side1~0#1, Side1_activestandby_task_each_pals_period_~side2~0#1, Side1_activestandby_task_each_pals_period_~manual_selection~1#1, Side1_activestandby_task_each_pals_period_~next_state~0#1;havoc Side1_activestandby_task_each_pals_period_~side1~0#1;havoc Side1_activestandby_task_each_pals_period_~side2~0#1;havoc Side1_activestandby_task_each_pals_period_~manual_selection~1#1;havoc Side1_activestandby_task_each_pals_period_~next_state~0#1;Side1_activestandby_task_each_pals_period_~side1~0#1 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0#1 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1#1 := 0;~side1Failed~0 := Side1_activestandby_task_each_pals_period_#t~nondet7#1;havoc Side1_activestandby_task_each_pals_period_#t~nondet7#1;assume { :begin_inline_write_side1_failed_history } true;write_side1_failed_history_#in~val#1 := ~side1Failed~0;havoc write_side1_failed_history_~val#1;write_side1_failed_history_~val#1 := write_side1_failed_history_#in~val#1;~side1Failed_History_2~0 := ~side1Failed_History_1~0;~side1Failed_History_1~0 := ~side1Failed_History_0~0;~side1Failed_History_0~0 := write_side1_failed_history_~val#1; 6726#L80 assume { :end_inline_write_side1_failed_history } true; 6712#L277 assume !(0 != ~side1Failed~0 % 256);Side1_activestandby_task_each_pals_period_~side1~0#1 := ~s1s1_old~0;~s1s1_old~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0#1 := ~s2s1_old~0;~s2s1_old~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1#1 := ~cs1_old~0;~cs1_old~0 := ~nomsg~0; 6710#L290 assume Side1_activestandby_task_each_pals_period_~side1~0#1 == Side1_activestandby_task_each_pals_period_~side2~0#1;Side1_activestandby_task_each_pals_period_~next_state~0#1 := 1; 6597#L309-1 assume Side1_activestandby_task_each_pals_period_~next_state~0#1 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0;Side1_activestandby_task_each_pals_period_#t~ite12#1 := Side1_activestandby_task_each_pals_period_~next_state~0#1; 6598#L314-1 ~s1s1_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite12#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite12#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite12#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite12#1; 6635#L315 assume Side1_activestandby_task_each_pals_period_~next_state~0#1 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0;Side1_activestandby_task_each_pals_period_#t~ite13#1 := Side1_activestandby_task_each_pals_period_~next_state~0#1; 6636#L315-2 ~s1s2_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite13#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite13#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite13#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite13#1; 6786#L316 assume Side1_activestandby_task_each_pals_period_~next_state~0#1 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0;Side1_activestandby_task_each_pals_period_#t~ite14#1 := Side1_activestandby_task_each_pals_period_~next_state~0#1; 6781#L316-2 ~s1p_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite14#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite14#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite14#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite14#1;~side1_written~0 := Side1_activestandby_task_each_pals_period_~next_state~0#1; 6782#L318 assume { :end_inline_Side1_activestandby_task_each_pals_period } true;assume { :begin_inline_Side2_activestandby_task_each_pals_period } true;havoc Side2_activestandby_task_each_pals_period_#t~nondet15#1, Side2_activestandby_task_each_pals_period_#t~ite16#1, Side2_activestandby_task_each_pals_period_#t~ite17#1, Side2_activestandby_task_each_pals_period_#t~ite18#1, Side2_activestandby_task_each_pals_period_#t~ret19#1, Side2_activestandby_task_each_pals_period_#t~ite20#1, Side2_activestandby_task_each_pals_period_#t~ite21#1, Side2_activestandby_task_each_pals_period_#t~ite22#1, Side2_activestandby_task_each_pals_period_~side1~1#1, Side2_activestandby_task_each_pals_period_~side2~1#1, Side2_activestandby_task_each_pals_period_~manual_selection~2#1, Side2_activestandby_task_each_pals_period_~next_state~1#1;havoc Side2_activestandby_task_each_pals_period_~side1~1#1;havoc Side2_activestandby_task_each_pals_period_~side2~1#1;havoc Side2_activestandby_task_each_pals_period_~manual_selection~2#1;havoc Side2_activestandby_task_each_pals_period_~next_state~1#1;Side2_activestandby_task_each_pals_period_~side1~1#1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~side2~1#1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~manual_selection~2#1 := 0;~side2Failed~0 := Side2_activestandby_task_each_pals_period_#t~nondet15#1;havoc Side2_activestandby_task_each_pals_period_#t~nondet15#1;assume { :begin_inline_write_side2_failed_history } true;write_side2_failed_history_#in~val#1 := ~side2Failed~0;havoc write_side2_failed_history_~val#1;write_side2_failed_history_~val#1 := write_side2_failed_history_#in~val#1;~side2Failed_History_2~0 := ~side2Failed_History_1~0;~side2Failed_History_1~0 := ~side2Failed_History_0~0;~side2Failed_History_0~0 := write_side2_failed_history_~val#1; 6661#L110 assume { :end_inline_write_side2_failed_history } true; 6621#L334 assume 0 != ~side2Failed~0 % 256; 6603#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite16#1 := ~s2s1_new~0; 6604#L335-2 ~s2s1_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite16#1; 6618#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite17#1 := ~s2s2_new~0; 6671#L336-2 ~s2s2_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite17#1; 6783#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite18#1 := ~s2p_new~0; 6706#L337-2 ~s2p_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite18#1;~side2_written~0 := ~nomsg~0; 6707#L375 assume { :end_inline_Side2_activestandby_task_each_pals_period } true;assume { :begin_inline_Pendulum_prism_task_each_pals_period } true;havoc Pendulum_prism_task_each_pals_period_#t~ret23#1, Pendulum_prism_task_each_pals_period_~active_side~0#1, Pendulum_prism_task_each_pals_period_~tmp~2#1, Pendulum_prism_task_each_pals_period_~side1~2#1, Pendulum_prism_task_each_pals_period_~side2~2#1;havoc Pendulum_prism_task_each_pals_period_~active_side~0#1;havoc Pendulum_prism_task_each_pals_period_~tmp~2#1;havoc Pendulum_prism_task_each_pals_period_~side1~2#1;havoc Pendulum_prism_task_each_pals_period_~side2~2#1;assume { :begin_inline_read_active_side_history } true;read_active_side_history_#in~index#1 := 0;havoc read_active_side_history_#res#1;havoc read_active_side_history_~index#1;read_active_side_history_~index#1 := read_active_side_history_#in~index#1; 6613#L148 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 6614#L158 Pendulum_prism_task_each_pals_period_#t~ret23#1 := read_active_side_history_#res#1;assume { :end_inline_read_active_side_history } true;Pendulum_prism_task_each_pals_period_~tmp~2#1 := Pendulum_prism_task_each_pals_period_#t~ret23#1;havoc Pendulum_prism_task_each_pals_period_#t~ret23#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := Pendulum_prism_task_each_pals_period_~tmp~2#1;Pendulum_prism_task_each_pals_period_~side1~2#1 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2#1 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side1~2#1 := ~s1p_old~0;~s1p_old~0 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2#1 := ~s2p_old~0;~s2p_old~0 := ~nomsg~0; 6735#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := 1; 6580#L408 assume { :begin_inline_write_active_side_history } true;write_active_side_history_#in~val#1 := Pendulum_prism_task_each_pals_period_~active_side~0#1;havoc write_active_side_history_~val#1;write_active_side_history_~val#1 := write_active_side_history_#in~val#1;~active_side_History_2~0 := ~active_side_History_1~0;~active_side_History_1~0 := ~active_side_History_0~0;~active_side_History_0~0 := write_active_side_history_~val#1; 6866#L140 assume { :end_inline_write_active_side_history } true; 6863#L418 assume { :end_inline_Pendulum_prism_task_each_pals_period } true;~cs1_old~0 := ~cs1_new~0;~cs1_new~0 := ~nomsg~0;~cs2_old~0 := ~cs2_new~0;~cs2_new~0 := ~nomsg~0;~s1s2_old~0 := ~s1s2_new~0;~s1s2_new~0 := ~nomsg~0;~s1s1_old~0 := ~s1s1_new~0;~s1s1_new~0 := ~nomsg~0;~s2s1_old~0 := ~s2s1_new~0;~s2s1_new~0 := ~nomsg~0;~s2s2_old~0 := ~s2s2_new~0;~s2s2_new~0 := ~nomsg~0;~s1p_old~0 := ~s1p_new~0;~s1p_new~0 := ~nomsg~0;~s2p_old~0 := ~s2p_new~0;~s2p_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_#t~ret24#1, check_#t~ret25#1, check_#t~ret26#1, check_#t~ret27#1, check_#t~ret28#1, check_#t~ret29#1, check_#t~ret30#1, check_#t~ret31#1, check_#t~ret32#1, check_#t~ret33#1, check_#t~ret34#1, check_#t~ret35#1, check_#t~ret36#1, check_#t~ret37#1, check_#t~ret38#1, check_#t~ret39#1, check_#t~ret40#1, check_#t~ret41#1, check_#t~ret42#1, check_#t~ret43#1, check_#t~ret44#1, check_~tmp~3#1, check_~tmp___0~0#1, check_~tmp___1~0#1, check_~tmp___2~0#1, check_~tmp___3~0#1, check_~tmp___4~0#1, check_~tmp___5~0#1, check_~tmp___6~0#1, check_~tmp___7~0#1, check_~tmp___8~0#1, check_~tmp___9~0#1, check_~tmp___10~0#1, check_~tmp___11~0#1, check_~tmp___12~0#1, check_~tmp___13~0#1, check_~tmp___14~0#1, check_~tmp___15~0#1, check_~tmp___16~0#1, check_~tmp___17~0#1, check_~tmp___18~0#1, check_~tmp___19~0#1, check_~tmp___20~0#1;havoc check_~tmp~3#1;havoc check_~tmp___0~0#1;havoc check_~tmp___1~0#1;havoc check_~tmp___2~0#1;havoc check_~tmp___3~0#1;havoc check_~tmp___4~0#1;havoc check_~tmp___5~0#1;havoc check_~tmp___6~0#1;havoc check_~tmp___7~0#1;havoc check_~tmp___8~0#1;havoc check_~tmp___9~0#1;havoc check_~tmp___10~0#1;havoc check_~tmp___11~0#1;havoc check_~tmp___12~0#1;havoc check_~tmp___13~0#1;havoc check_~tmp___14~0#1;havoc check_~tmp___15~0#1;havoc check_~tmp___16~0#1;havoc check_~tmp___17~0#1;havoc check_~tmp___18~0#1;havoc check_~tmp___19~0#1;havoc check_~tmp___20~0#1; 6803#L447 assume 0 == ~side1Failed~0 % 256;check_~tmp~3#1 := 1; 6599#L450-2 assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if 0 == check_~tmp~3#1 then 0 else 1) % 256;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 6600#L58-2 assume !(0 == assume_abort_if_not_~cond#1); 6593#L57-1 assume { :end_inline_assume_abort_if_not } true;assume { :begin_inline_read_manual_selection_history } true;read_manual_selection_history_#in~index#1 := 1;havoc read_manual_selection_history_#res#1;havoc read_manual_selection_history_~index#1;read_manual_selection_history_~index#1 := read_manual_selection_history_#in~index#1; 6594#L178 assume !(0 == read_manual_selection_history_~index#1 % 256); 6689#L181 assume 1 == read_manual_selection_history_~index#1 % 256;read_manual_selection_history_#res#1 := ~manual_selection_History_1~0; 6690#L188 check_#t~ret24#1 := read_manual_selection_history_#res#1;assume { :end_inline_read_manual_selection_history } true;check_~tmp___0~0#1 := check_#t~ret24#1;havoc check_#t~ret24#1; 6741#L457 assume !(0 == check_~tmp___0~0#1); 6571#L457-1 assume { :begin_inline_read_side1_failed_history } true;read_side1_failed_history_#in~index#1 := 1;havoc read_side1_failed_history_#res#1;havoc read_side1_failed_history_~index#1;read_side1_failed_history_~index#1 := read_side1_failed_history_#in~index#1; 6587#L88-2 assume !(0 == read_side1_failed_history_~index#1 % 256); 6588#L91-2 assume 1 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_1~0; 6660#L98-2 check_#t~ret29#1 := read_side1_failed_history_#res#1;assume { :end_inline_read_side1_failed_history } true;check_~tmp___7~0#1 := check_#t~ret29#1;havoc check_#t~ret29#1; 6787#L487 assume !(0 != check_~tmp___7~0#1 % 256); 6728#L487-1 assume { :begin_inline_read_side1_failed_history } true;read_side1_failed_history_#in~index#1 := 1;havoc read_side1_failed_history_#res#1;havoc read_side1_failed_history_~index#1;read_side1_failed_history_~index#1 := read_side1_failed_history_#in~index#1; 6729#L88-3 assume !(0 == read_side1_failed_history_~index#1 % 256); 6709#L91-3 assume 1 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_1~0; 6693#L98-3 check_#t~ret33#1 := read_side1_failed_history_#res#1;assume { :end_inline_read_side1_failed_history } true;check_~tmp___11~0#1 := check_#t~ret33#1;havoc check_#t~ret33#1; 6694#L503 assume !(0 == check_~tmp___11~0#1 % 256); 6769#L503-1 assume { :begin_inline_read_active_side_history } true;read_active_side_history_#in~index#1 := 2;havoc read_active_side_history_#res#1;havoc read_active_side_history_~index#1;read_active_side_history_~index#1 := read_active_side_history_#in~index#1; 6770#L148-3 assume !(0 == read_active_side_history_~index#1 % 256); 6699#L151-3 assume 1 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_1~0; 6654#L158-3 check_#t~ret37#1 := read_active_side_history_#res#1;assume { :end_inline_read_active_side_history } true;check_~tmp___20~0#1 := check_#t~ret37#1;havoc check_#t~ret37#1; 6764#L519 assume !(check_~tmp___20~0#1 > -2); 6634#L519-1 check_#res#1 := 1; 6678#L537 main_#t~ret62#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret62#1;havoc main_#t~ret62#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 6679#L616-44 assume !(0 == assert_~arg#1 % 256); 6790#L611-22 assume { :end_inline_assert } true; 6721#L582-2 [2021-12-28 09:45:58,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:45:58,055 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 8 times [2021-12-28 09:45:58,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:45:58,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411737468] [2021-12-28 09:45:58,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:45:58,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:45:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:45:58,062 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:45:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:45:58,072 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:45:58,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:45:58,074 INFO L85 PathProgramCache]: Analyzing trace with hash 2060425077, now seen corresponding path program 1 times [2021-12-28 09:45:58,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:45:58,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067348369] [2021-12-28 09:45:58,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:45:58,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:45:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:45:58,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:45:58,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:45:58,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067348369] [2021-12-28 09:45:58,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067348369] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:45:58,120 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:45:58,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 09:45:58,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703154674] [2021-12-28 09:45:58,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:45:58,121 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-28 09:45:58,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:45:58,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 09:45:58,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 09:45:58,121 INFO L87 Difference]: Start difference. First operand 361 states and 503 transitions. cyclomatic complexity: 143 Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:45:58,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:45:58,153 INFO L93 Difference]: Finished difference Result 445 states and 619 transitions. [2021-12-28 09:45:58,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 09:45:58,154 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 445 states and 619 transitions. [2021-12-28 09:45:58,156 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 428 [2021-12-28 09:45:58,157 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 445 states to 445 states and 619 transitions. [2021-12-28 09:45:58,158 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 445 [2021-12-28 09:45:58,158 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 445 [2021-12-28 09:45:58,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 445 states and 619 transitions. [2021-12-28 09:45:58,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:45:58,159 INFO L681 BuchiCegarLoop]: Abstraction has 445 states and 619 transitions. [2021-12-28 09:45:58,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states and 619 transitions. [2021-12-28 09:45:58,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 268. [2021-12-28 09:45:58,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 268 states have (on average 1.4104477611940298) internal successors, (378), 267 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:45:58,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 378 transitions. [2021-12-28 09:45:58,162 INFO L704 BuchiCegarLoop]: Abstraction has 268 states and 378 transitions. [2021-12-28 09:45:58,162 INFO L587 BuchiCegarLoop]: Abstraction has 268 states and 378 transitions. [2021-12-28 09:45:58,162 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-12-28 09:45:58,163 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 268 states and 378 transitions. [2021-12-28 09:45:58,163 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2021-12-28 09:45:58,163 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:45:58,164 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:45:58,164 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:45:58,164 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-28 09:45:58,164 INFO L791 eck$LassoCheckResult]: Stem: 7582#ULTIMATE.startENTRY 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(52, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~cs1~0 := 0;~cs1_old~0 := 0;~cs1_new~0 := 0;~cs2~0 := 0;~cs2_old~0 := 0;~cs2_new~0 := 0;~s1s2~0 := 0;~s1s2_old~0 := 0;~s1s2_new~0 := 0;~s1s1~0 := 0;~s1s1_old~0 := 0;~s1s1_new~0 := 0;~s2s1~0 := 0;~s2s1_old~0 := 0;~s2s1_new~0 := 0;~s2s2~0 := 0;~s2s2_old~0 := 0;~s2s2_new~0 := 0;~s1p~0 := 0;~s1p_old~0 := 0;~s1p_new~0 := 0;~s2p~0 := 0;~s2p_old~0 := 0;~s2p_new~0 := 0;~side1Failed~0 := 0;~side2Failed~0 := 0;~side1_written~0 := 0;~side2_written~0 := 0;~side1Failed_History_0~0 := 0;~side1Failed_History_1~0 := 0;~side1Failed_History_2~0 := 0;~side2Failed_History_0~0 := 0;~side2Failed_History_1~0 := 0;~side2Failed_History_2~0 := 0;~active_side_History_0~0 := 0;~active_side_History_1~0 := 0;~active_side_History_2~0 := 0;~manual_selection_History_0~0 := 0;~manual_selection_History_1~0 := 0;~manual_selection_History_2~0 := 0; 7560#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~nondet56#1, main_#t~nondet57#1, main_#t~nondet58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~ret61#1, main_#t~ret62#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~side1Failed~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~side2Failed~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~side1_written~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;~side2_written~0 := main_#t~nondet48#1;havoc main_#t~nondet48#1;~side1Failed_History_0~0 := main_#t~nondet49#1;havoc main_#t~nondet49#1;~side1Failed_History_1~0 := main_#t~nondet50#1;havoc main_#t~nondet50#1;~side1Failed_History_2~0 := main_#t~nondet51#1;havoc main_#t~nondet51#1;~side2Failed_History_0~0 := main_#t~nondet52#1;havoc main_#t~nondet52#1;~side2Failed_History_1~0 := main_#t~nondet53#1;havoc main_#t~nondet53#1;~side2Failed_History_2~0 := main_#t~nondet54#1;havoc main_#t~nondet54#1;~active_side_History_0~0 := main_#t~nondet55#1;havoc main_#t~nondet55#1;~active_side_History_1~0 := main_#t~nondet56#1;havoc main_#t~nondet56#1;~active_side_History_2~0 := main_#t~nondet57#1;havoc main_#t~nondet57#1;~manual_selection_History_0~0 := main_#t~nondet58#1;havoc main_#t~nondet58#1;~manual_selection_History_1~0 := main_#t~nondet59#1;havoc main_#t~nondet59#1;~manual_selection_History_2~0 := main_#t~nondet60#1;havoc main_#t~nondet60#1;assume { :begin_inline_init } true;havoc init_#res#1; 7474#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 7475#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 7418#L203 assume !(-2 != ~active_side_History_0~0); 7419#L206 assume !(0 != ~manual_selection_History_0~0); 7436#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 7570#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 7524#L215 assume !(-2 != ~active_side_History_1~0); 7525#L218 assume !(0 != ~manual_selection_History_1~0); 7561#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 7574#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 7498#L227 assume !(-2 != ~active_side_History_2~0); 7499#L230 assume !(0 != ~manual_selection_History_2~0);init_#res#1 := 1; 7468#L233 main_#t~ret61#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret61#1;havoc main_#t~ret61#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 7469#L58 assume !(0 == assume_abort_if_not_~cond#1); 7527#L57 assume { :end_inline_assume_abort_if_not } true;~cs1_old~0 := ~nomsg~0;~cs1_new~0 := ~nomsg~0;~cs2_old~0 := ~nomsg~0;~cs2_new~0 := ~nomsg~0;~s1s2_old~0 := ~nomsg~0;~s1s2_new~0 := ~nomsg~0;~s1s1_old~0 := ~nomsg~0;~s1s1_new~0 := ~nomsg~0;~s2s1_old~0 := ~nomsg~0;~s2s1_new~0 := ~nomsg~0;~s2s2_old~0 := ~nomsg~0;~s2s2_new~0 := ~nomsg~0;~s1p_old~0 := ~nomsg~0;~s1p_new~0 := ~nomsg~0;~s2p_old~0 := ~nomsg~0;~s2p_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 7528#L582-2 [2021-12-28 09:45:58,165 INFO L793 eck$LassoCheckResult]: Loop: 7528#L582-2 assume !false;assume { :begin_inline_Console_task_each_pals_period } true;havoc Console_task_each_pals_period_#t~nondet4#1, Console_task_each_pals_period_#t~ite5#1, Console_task_each_pals_period_#t~ite6#1, Console_task_each_pals_period_~manual_selection~0#1, Console_task_each_pals_period_~tmp~1#1;havoc Console_task_each_pals_period_~manual_selection~0#1;havoc Console_task_each_pals_period_~tmp~1#1;Console_task_each_pals_period_~tmp~1#1 := Console_task_each_pals_period_#t~nondet4#1;havoc Console_task_each_pals_period_#t~nondet4#1;Console_task_each_pals_period_~manual_selection~0#1 := Console_task_each_pals_period_~tmp~1#1;assume { :begin_inline_write_manual_selection_history } true;write_manual_selection_history_#in~val#1 := Console_task_each_pals_period_~manual_selection~0#1;havoc write_manual_selection_history_~val#1;write_manual_selection_history_~val#1 := write_manual_selection_history_#in~val#1;~manual_selection_History_2~0 := ~manual_selection_History_1~0;~manual_selection_History_1~0 := ~manual_selection_History_0~0;~manual_selection_History_0~0 := write_manual_selection_history_~val#1; 7552#L170 assume { :end_inline_write_manual_selection_history } true; 7553#L258 assume Console_task_each_pals_period_~manual_selection~0#1 != ~nomsg~0 && ~cs1_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite5#1 := Console_task_each_pals_period_~manual_selection~0#1; 7554#L258-2 ~cs1_new~0 := (if Console_task_each_pals_period_#t~ite5#1 % 256 <= 127 then Console_task_each_pals_period_#t~ite5#1 % 256 else Console_task_each_pals_period_#t~ite5#1 % 256 - 256);havoc Console_task_each_pals_period_#t~ite5#1; 7566#L259 assume Console_task_each_pals_period_~manual_selection~0#1 != ~nomsg~0 && ~cs2_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite6#1 := Console_task_each_pals_period_~manual_selection~0#1; 7567#L259-2 ~cs2_new~0 := (if Console_task_each_pals_period_#t~ite6#1 % 256 <= 127 then Console_task_each_pals_period_#t~ite6#1 % 256 else Console_task_each_pals_period_#t~ite6#1 % 256 - 256);havoc Console_task_each_pals_period_#t~ite6#1;Console_task_each_pals_period_~manual_selection~0#1 := 0; 7531#L261 assume { :end_inline_Console_task_each_pals_period } true;assume { :begin_inline_Side1_activestandby_task_each_pals_period } true;havoc Side1_activestandby_task_each_pals_period_#t~nondet7#1, Side1_activestandby_task_each_pals_period_#t~ite8#1, Side1_activestandby_task_each_pals_period_#t~ite9#1, Side1_activestandby_task_each_pals_period_#t~ite10#1, Side1_activestandby_task_each_pals_period_#t~ret11#1, Side1_activestandby_task_each_pals_period_#t~ite12#1, Side1_activestandby_task_each_pals_period_#t~ite13#1, Side1_activestandby_task_each_pals_period_#t~ite14#1, Side1_activestandby_task_each_pals_period_~side1~0#1, Side1_activestandby_task_each_pals_period_~side2~0#1, Side1_activestandby_task_each_pals_period_~manual_selection~1#1, Side1_activestandby_task_each_pals_period_~next_state~0#1;havoc Side1_activestandby_task_each_pals_period_~side1~0#1;havoc Side1_activestandby_task_each_pals_period_~side2~0#1;havoc Side1_activestandby_task_each_pals_period_~manual_selection~1#1;havoc Side1_activestandby_task_each_pals_period_~next_state~0#1;Side1_activestandby_task_each_pals_period_~side1~0#1 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0#1 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1#1 := 0;~side1Failed~0 := Side1_activestandby_task_each_pals_period_#t~nondet7#1;havoc Side1_activestandby_task_each_pals_period_#t~nondet7#1;assume { :begin_inline_write_side1_failed_history } true;write_side1_failed_history_#in~val#1 := ~side1Failed~0;havoc write_side1_failed_history_~val#1;write_side1_failed_history_~val#1 := write_side1_failed_history_#in~val#1;~side1Failed_History_2~0 := ~side1Failed_History_1~0;~side1Failed_History_1~0 := ~side1Failed_History_0~0;~side1Failed_History_0~0 := write_side1_failed_history_~val#1; 7532#L80 assume { :end_inline_write_side1_failed_history } true; 7517#L277 assume 0 != ~side1Failed~0 % 256; 7518#L278 assume !(~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite8#1 := ~s1s1_new~0; 7529#L278-2 ~s1s1_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite8#1; 7456#L279 assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite9#1 := ~s1s2_new~0; 7429#L279-2 ~s1s2_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite9#1; 7430#L280 assume !(~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite10#1 := ~s1p_new~0; 7503#L280-2 ~s1p_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite10#1;~side1_written~0 := ~nomsg~0; 7504#L318 assume { :end_inline_Side1_activestandby_task_each_pals_period } true;assume { :begin_inline_Side2_activestandby_task_each_pals_period } true;havoc Side2_activestandby_task_each_pals_period_#t~nondet15#1, Side2_activestandby_task_each_pals_period_#t~ite16#1, Side2_activestandby_task_each_pals_period_#t~ite17#1, Side2_activestandby_task_each_pals_period_#t~ite18#1, Side2_activestandby_task_each_pals_period_#t~ret19#1, Side2_activestandby_task_each_pals_period_#t~ite20#1, Side2_activestandby_task_each_pals_period_#t~ite21#1, Side2_activestandby_task_each_pals_period_#t~ite22#1, Side2_activestandby_task_each_pals_period_~side1~1#1, Side2_activestandby_task_each_pals_period_~side2~1#1, Side2_activestandby_task_each_pals_period_~manual_selection~2#1, Side2_activestandby_task_each_pals_period_~next_state~1#1;havoc Side2_activestandby_task_each_pals_period_~side1~1#1;havoc Side2_activestandby_task_each_pals_period_~side2~1#1;havoc Side2_activestandby_task_each_pals_period_~manual_selection~2#1;havoc Side2_activestandby_task_each_pals_period_~next_state~1#1;Side2_activestandby_task_each_pals_period_~side1~1#1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~side2~1#1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~manual_selection~2#1 := 0;~side2Failed~0 := Side2_activestandby_task_each_pals_period_#t~nondet15#1;havoc Side2_activestandby_task_each_pals_period_#t~nondet15#1;assume { :begin_inline_write_side2_failed_history } true;write_side2_failed_history_#in~val#1 := ~side2Failed~0;havoc write_side2_failed_history_~val#1;write_side2_failed_history_~val#1 := write_side2_failed_history_#in~val#1;~side2Failed_History_2~0 := ~side2Failed_History_1~0;~side2Failed_History_1~0 := ~side2Failed_History_0~0;~side2Failed_History_0~0 := write_side2_failed_history_~val#1; 7647#L110 assume { :end_inline_write_side2_failed_history } true; 7646#L334 assume 0 != ~side2Failed~0 % 256; 7645#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite16#1 := ~s2s1_new~0; 7644#L335-2 ~s2s1_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite16#1; 7643#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite17#1 := ~s2s2_new~0; 7635#L336-2 ~s2s2_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite17#1; 7633#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite18#1 := ~s2p_new~0; 7631#L337-2 ~s2p_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite18#1;~side2_written~0 := ~nomsg~0; 7541#L375 assume { :end_inline_Side2_activestandby_task_each_pals_period } true;assume { :begin_inline_Pendulum_prism_task_each_pals_period } true;havoc Pendulum_prism_task_each_pals_period_#t~ret23#1, Pendulum_prism_task_each_pals_period_~active_side~0#1, Pendulum_prism_task_each_pals_period_~tmp~2#1, Pendulum_prism_task_each_pals_period_~side1~2#1, Pendulum_prism_task_each_pals_period_~side2~2#1;havoc Pendulum_prism_task_each_pals_period_~active_side~0#1;havoc Pendulum_prism_task_each_pals_period_~tmp~2#1;havoc Pendulum_prism_task_each_pals_period_~side1~2#1;havoc Pendulum_prism_task_each_pals_period_~side2~2#1;assume { :begin_inline_read_active_side_history } true;read_active_side_history_#in~index#1 := 0;havoc read_active_side_history_#res#1;havoc read_active_side_history_~index#1;read_active_side_history_~index#1 := read_active_side_history_#in~index#1; 7423#L148 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 7424#L158 Pendulum_prism_task_each_pals_period_#t~ret23#1 := read_active_side_history_#res#1;assume { :end_inline_read_active_side_history } true;Pendulum_prism_task_each_pals_period_~tmp~2#1 := Pendulum_prism_task_each_pals_period_#t~ret23#1;havoc Pendulum_prism_task_each_pals_period_#t~ret23#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := Pendulum_prism_task_each_pals_period_~tmp~2#1;Pendulum_prism_task_each_pals_period_~side1~2#1 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2#1 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side1~2#1 := ~s1p_old~0;~s1p_old~0 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2#1 := ~s2p_old~0;~s2p_old~0 := ~nomsg~0; 7542#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := 1; 7394#L408 assume { :begin_inline_write_active_side_history } true;write_active_side_history_#in~val#1 := Pendulum_prism_task_each_pals_period_~active_side~0#1;havoc write_active_side_history_~val#1;write_active_side_history_~val#1 := write_active_side_history_#in~val#1;~active_side_History_2~0 := ~active_side_History_1~0;~active_side_History_1~0 := ~active_side_History_0~0;~active_side_History_0~0 := write_active_side_history_~val#1; 7460#L140 assume { :end_inline_write_active_side_history } true; 7402#L418 assume { :end_inline_Pendulum_prism_task_each_pals_period } true;~cs1_old~0 := ~cs1_new~0;~cs1_new~0 := ~nomsg~0;~cs2_old~0 := ~cs2_new~0;~cs2_new~0 := ~nomsg~0;~s1s2_old~0 := ~s1s2_new~0;~s1s2_new~0 := ~nomsg~0;~s1s1_old~0 := ~s1s1_new~0;~s1s1_new~0 := ~nomsg~0;~s2s1_old~0 := ~s2s1_new~0;~s2s1_new~0 := ~nomsg~0;~s2s2_old~0 := ~s2s2_new~0;~s2s2_new~0 := ~nomsg~0;~s1p_old~0 := ~s1p_new~0;~s1p_new~0 := ~nomsg~0;~s2p_old~0 := ~s2p_new~0;~s2p_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_#t~ret24#1, check_#t~ret25#1, check_#t~ret26#1, check_#t~ret27#1, check_#t~ret28#1, check_#t~ret29#1, check_#t~ret30#1, check_#t~ret31#1, check_#t~ret32#1, check_#t~ret33#1, check_#t~ret34#1, check_#t~ret35#1, check_#t~ret36#1, check_#t~ret37#1, check_#t~ret38#1, check_#t~ret39#1, check_#t~ret40#1, check_#t~ret41#1, check_#t~ret42#1, check_#t~ret43#1, check_#t~ret44#1, check_~tmp~3#1, check_~tmp___0~0#1, check_~tmp___1~0#1, check_~tmp___2~0#1, check_~tmp___3~0#1, check_~tmp___4~0#1, check_~tmp___5~0#1, check_~tmp___6~0#1, check_~tmp___7~0#1, check_~tmp___8~0#1, check_~tmp___9~0#1, check_~tmp___10~0#1, check_~tmp___11~0#1, check_~tmp___12~0#1, check_~tmp___13~0#1, check_~tmp___14~0#1, check_~tmp___15~0#1, check_~tmp___16~0#1, check_~tmp___17~0#1, check_~tmp___18~0#1, check_~tmp___19~0#1, check_~tmp___20~0#1;havoc check_~tmp~3#1;havoc check_~tmp___0~0#1;havoc check_~tmp___1~0#1;havoc check_~tmp___2~0#1;havoc check_~tmp___3~0#1;havoc check_~tmp___4~0#1;havoc check_~tmp___5~0#1;havoc check_~tmp___6~0#1;havoc check_~tmp___7~0#1;havoc check_~tmp___8~0#1;havoc check_~tmp___9~0#1;havoc check_~tmp___10~0#1;havoc check_~tmp___11~0#1;havoc check_~tmp___12~0#1;havoc check_~tmp___13~0#1;havoc check_~tmp___14~0#1;havoc check_~tmp___15~0#1;havoc check_~tmp___16~0#1;havoc check_~tmp___17~0#1;havoc check_~tmp___18~0#1;havoc check_~tmp___19~0#1;havoc check_~tmp___20~0#1; 7403#L447 assume !(0 == ~side1Failed~0 % 256); 7495#L450 assume !(0 == ~side2Failed~0 % 256);check_~tmp~3#1 := 0; 7412#L450-2 assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if 0 == check_~tmp~3#1 then 0 else 1) % 256;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 7413#L58-2 assume !(0 == assume_abort_if_not_~cond#1); 7404#L57-1 assume { :end_inline_assume_abort_if_not } true;assume { :begin_inline_read_manual_selection_history } true;read_manual_selection_history_#in~index#1 := 1;havoc read_manual_selection_history_#res#1;havoc read_manual_selection_history_~index#1;read_manual_selection_history_~index#1 := read_manual_selection_history_#in~index#1; 7405#L178 assume !(0 == read_manual_selection_history_~index#1 % 256); 7422#L181 assume 1 == read_manual_selection_history_~index#1 % 256;read_manual_selection_history_#res#1 := ~manual_selection_History_1~0; 7406#L188 check_#t~ret24#1 := read_manual_selection_history_#res#1;assume { :end_inline_read_manual_selection_history } true;check_~tmp___0~0#1 := check_#t~ret24#1;havoc check_#t~ret24#1; 7407#L457 assume !(0 == check_~tmp___0~0#1); 7383#L457-1 assume { :begin_inline_read_side1_failed_history } true;read_side1_failed_history_#in~index#1 := 1;havoc read_side1_failed_history_#res#1;havoc read_side1_failed_history_~index#1;read_side1_failed_history_~index#1 := read_side1_failed_history_#in~index#1; 7398#L88-2 assume !(0 == read_side1_failed_history_~index#1 % 256); 7399#L91-2 assume 1 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_1~0; 7470#L98-2 check_#t~ret29#1 := read_side1_failed_history_#res#1;assume { :end_inline_read_side1_failed_history } true;check_~tmp___7~0#1 := check_#t~ret29#1;havoc check_#t~ret29#1; 7545#L487 assume !(0 != check_~tmp___7~0#1 % 256); 7534#L487-1 assume { :begin_inline_read_side1_failed_history } true;read_side1_failed_history_#in~index#1 := 1;havoc read_side1_failed_history_#res#1;havoc read_side1_failed_history_~index#1;read_side1_failed_history_~index#1 := read_side1_failed_history_#in~index#1; 7535#L88-3 assume !(0 == read_side1_failed_history_~index#1 % 256); 7516#L91-3 assume 1 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_1~0; 7500#L98-3 check_#t~ret33#1 := read_side1_failed_history_#res#1;assume { :end_inline_read_side1_failed_history } true;check_~tmp___11~0#1 := check_#t~ret33#1;havoc check_#t~ret33#1; 7501#L503 assume !(0 == check_~tmp___11~0#1 % 256); 7544#L503-1 assume { :begin_inline_read_active_side_history } true;read_active_side_history_#in~index#1 := 2;havoc read_active_side_history_#res#1;havoc read_active_side_history_~index#1;read_active_side_history_~index#1 := read_active_side_history_#in~index#1; 7505#L148-3 assume !(0 == read_active_side_history_~index#1 % 256); 7506#L151-3 assume !(1 == read_active_side_history_~index#1 % 256); 7463#L154-3 assume 2 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_2~0; 7464#L158-3 check_#t~ret37#1 := read_active_side_history_#res#1;assume { :end_inline_read_active_side_history } true;check_~tmp___20~0#1 := check_#t~ret37#1;havoc check_#t~ret37#1; 7562#L519 assume !(check_~tmp___20~0#1 > -2); 7444#L519-1 check_#res#1 := 1; 7487#L537 main_#t~ret62#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret62#1;havoc main_#t~ret62#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 7488#L616-44 assume !(0 == assert_~arg#1 % 256); 7577#L611-22 assume { :end_inline_assert } true; 7528#L582-2 [2021-12-28 09:45:58,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:45:58,165 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 9 times [2021-12-28 09:45:58,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:45:58,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154239492] [2021-12-28 09:45:58,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:45:58,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:45:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:45:58,171 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:45:58,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:45:58,178 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:45:58,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:45:58,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1442417447, now seen corresponding path program 1 times [2021-12-28 09:45:58,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:45:58,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888709222] [2021-12-28 09:45:58,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:45:58,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:45:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:45:58,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:45:58,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:45:58,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888709222] [2021-12-28 09:45:58,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888709222] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:45:58,249 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:45:58,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 09:45:58,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785135121] [2021-12-28 09:45:58,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:45:58,250 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-28 09:45:58,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:45:58,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 09:45:58,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 09:45:58,251 INFO L87 Difference]: Start difference. First operand 268 states and 378 transitions. cyclomatic complexity: 111 Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:45:58,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:45:58,430 INFO L93 Difference]: Finished difference Result 728 states and 1034 transitions. [2021-12-28 09:45:58,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-28 09:45:58,431 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 728 states and 1034 transitions. [2021-12-28 09:45:58,434 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 704 [2021-12-28 09:45:58,437 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 728 states to 728 states and 1034 transitions. [2021-12-28 09:45:58,437 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 728 [2021-12-28 09:45:58,437 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 728 [2021-12-28 09:45:58,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 728 states and 1034 transitions. [2021-12-28 09:45:58,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:45:58,438 INFO L681 BuchiCegarLoop]: Abstraction has 728 states and 1034 transitions. [2021-12-28 09:45:58,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states and 1034 transitions. [2021-12-28 09:45:58,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 273. [2021-12-28 09:45:58,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 273 states have (on average 1.4029304029304028) internal successors, (383), 272 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:45:58,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 383 transitions. [2021-12-28 09:45:58,442 INFO L704 BuchiCegarLoop]: Abstraction has 273 states and 383 transitions. [2021-12-28 09:45:58,442 INFO L587 BuchiCegarLoop]: Abstraction has 273 states and 383 transitions. [2021-12-28 09:45:58,442 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-12-28 09:45:58,442 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 273 states and 383 transitions. [2021-12-28 09:45:58,443 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 256 [2021-12-28 09:45:58,443 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:45:58,443 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:45:58,443 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:45:58,443 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-28 09:45:58,444 INFO L791 eck$LassoCheckResult]: Stem: 8621#ULTIMATE.startENTRY 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(52, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~cs1~0 := 0;~cs1_old~0 := 0;~cs1_new~0 := 0;~cs2~0 := 0;~cs2_old~0 := 0;~cs2_new~0 := 0;~s1s2~0 := 0;~s1s2_old~0 := 0;~s1s2_new~0 := 0;~s1s1~0 := 0;~s1s1_old~0 := 0;~s1s1_new~0 := 0;~s2s1~0 := 0;~s2s1_old~0 := 0;~s2s1_new~0 := 0;~s2s2~0 := 0;~s2s2_old~0 := 0;~s2s2_new~0 := 0;~s1p~0 := 0;~s1p_old~0 := 0;~s1p_new~0 := 0;~s2p~0 := 0;~s2p_old~0 := 0;~s2p_new~0 := 0;~side1Failed~0 := 0;~side2Failed~0 := 0;~side1_written~0 := 0;~side2_written~0 := 0;~side1Failed_History_0~0 := 0;~side1Failed_History_1~0 := 0;~side1Failed_History_2~0 := 0;~side2Failed_History_0~0 := 0;~side2Failed_History_1~0 := 0;~side2Failed_History_2~0 := 0;~active_side_History_0~0 := 0;~active_side_History_1~0 := 0;~active_side_History_2~0 := 0;~manual_selection_History_0~0 := 0;~manual_selection_History_1~0 := 0;~manual_selection_History_2~0 := 0; 8594#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~nondet56#1, main_#t~nondet57#1, main_#t~nondet58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~ret61#1, main_#t~ret62#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~side1Failed~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~side2Failed~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~side1_written~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;~side2_written~0 := main_#t~nondet48#1;havoc main_#t~nondet48#1;~side1Failed_History_0~0 := main_#t~nondet49#1;havoc main_#t~nondet49#1;~side1Failed_History_1~0 := main_#t~nondet50#1;havoc main_#t~nondet50#1;~side1Failed_History_2~0 := main_#t~nondet51#1;havoc main_#t~nondet51#1;~side2Failed_History_0~0 := main_#t~nondet52#1;havoc main_#t~nondet52#1;~side2Failed_History_1~0 := main_#t~nondet53#1;havoc main_#t~nondet53#1;~side2Failed_History_2~0 := main_#t~nondet54#1;havoc main_#t~nondet54#1;~active_side_History_0~0 := main_#t~nondet55#1;havoc main_#t~nondet55#1;~active_side_History_1~0 := main_#t~nondet56#1;havoc main_#t~nondet56#1;~active_side_History_2~0 := main_#t~nondet57#1;havoc main_#t~nondet57#1;~manual_selection_History_0~0 := main_#t~nondet58#1;havoc main_#t~nondet58#1;~manual_selection_History_1~0 := main_#t~nondet59#1;havoc main_#t~nondet59#1;~manual_selection_History_2~0 := main_#t~nondet60#1;havoc main_#t~nondet60#1;assume { :begin_inline_init } true;havoc init_#res#1; 8506#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 8507#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 8446#L203 assume !(-2 != ~active_side_History_0~0); 8447#L206 assume !(0 != ~manual_selection_History_0~0); 8464#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 8608#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 8557#L215 assume !(-2 != ~active_side_History_1~0); 8558#L218 assume !(0 != ~manual_selection_History_1~0); 8596#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 8614#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 8529#L227 assume !(-2 != ~active_side_History_2~0); 8530#L230 assume !(0 != ~manual_selection_History_2~0);init_#res#1 := 1; 8494#L233 main_#t~ret61#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret61#1;havoc main_#t~ret61#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 8495#L58 assume !(0 == assume_abort_if_not_~cond#1); 8559#L57 assume { :end_inline_assume_abort_if_not } true;~cs1_old~0 := ~nomsg~0;~cs1_new~0 := ~nomsg~0;~cs2_old~0 := ~nomsg~0;~cs2_new~0 := ~nomsg~0;~s1s2_old~0 := ~nomsg~0;~s1s2_new~0 := ~nomsg~0;~s1s1_old~0 := ~nomsg~0;~s1s1_new~0 := ~nomsg~0;~s2s1_old~0 := ~nomsg~0;~s2s1_new~0 := ~nomsg~0;~s2s2_old~0 := ~nomsg~0;~s2s2_new~0 := ~nomsg~0;~s1p_old~0 := ~nomsg~0;~s1p_new~0 := ~nomsg~0;~s2p_old~0 := ~nomsg~0;~s2p_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 8560#L582-2 [2021-12-28 09:45:58,444 INFO L793 eck$LassoCheckResult]: Loop: 8560#L582-2 assume !false;assume { :begin_inline_Console_task_each_pals_period } true;havoc Console_task_each_pals_period_#t~nondet4#1, Console_task_each_pals_period_#t~ite5#1, Console_task_each_pals_period_#t~ite6#1, Console_task_each_pals_period_~manual_selection~0#1, Console_task_each_pals_period_~tmp~1#1;havoc Console_task_each_pals_period_~manual_selection~0#1;havoc Console_task_each_pals_period_~tmp~1#1;Console_task_each_pals_period_~tmp~1#1 := Console_task_each_pals_period_#t~nondet4#1;havoc Console_task_each_pals_period_#t~nondet4#1;Console_task_each_pals_period_~manual_selection~0#1 := Console_task_each_pals_period_~tmp~1#1;assume { :begin_inline_write_manual_selection_history } true;write_manual_selection_history_#in~val#1 := Console_task_each_pals_period_~manual_selection~0#1;havoc write_manual_selection_history_~val#1;write_manual_selection_history_~val#1 := write_manual_selection_history_#in~val#1;~manual_selection_History_2~0 := ~manual_selection_History_1~0;~manual_selection_History_1~0 := ~manual_selection_History_0~0;~manual_selection_History_0~0 := write_manual_selection_history_~val#1; 8587#L170 assume { :end_inline_write_manual_selection_history } true; 8588#L258 assume Console_task_each_pals_period_~manual_selection~0#1 != ~nomsg~0 && ~cs1_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite5#1 := Console_task_each_pals_period_~manual_selection~0#1; 8589#L258-2 ~cs1_new~0 := (if Console_task_each_pals_period_#t~ite5#1 % 256 <= 127 then Console_task_each_pals_period_#t~ite5#1 % 256 else Console_task_each_pals_period_#t~ite5#1 % 256 - 256);havoc Console_task_each_pals_period_#t~ite5#1; 8602#L259 assume Console_task_each_pals_period_~manual_selection~0#1 != ~nomsg~0 && ~cs2_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite6#1 := Console_task_each_pals_period_~manual_selection~0#1; 8603#L259-2 ~cs2_new~0 := (if Console_task_each_pals_period_#t~ite6#1 % 256 <= 127 then Console_task_each_pals_period_#t~ite6#1 % 256 else Console_task_each_pals_period_#t~ite6#1 % 256 - 256);havoc Console_task_each_pals_period_#t~ite6#1;Console_task_each_pals_period_~manual_selection~0#1 := 0; 8564#L261 assume { :end_inline_Console_task_each_pals_period } true;assume { :begin_inline_Side1_activestandby_task_each_pals_period } true;havoc Side1_activestandby_task_each_pals_period_#t~nondet7#1, Side1_activestandby_task_each_pals_period_#t~ite8#1, Side1_activestandby_task_each_pals_period_#t~ite9#1, Side1_activestandby_task_each_pals_period_#t~ite10#1, Side1_activestandby_task_each_pals_period_#t~ret11#1, Side1_activestandby_task_each_pals_period_#t~ite12#1, Side1_activestandby_task_each_pals_period_#t~ite13#1, Side1_activestandby_task_each_pals_period_#t~ite14#1, Side1_activestandby_task_each_pals_period_~side1~0#1, Side1_activestandby_task_each_pals_period_~side2~0#1, Side1_activestandby_task_each_pals_period_~manual_selection~1#1, Side1_activestandby_task_each_pals_period_~next_state~0#1;havoc Side1_activestandby_task_each_pals_period_~side1~0#1;havoc Side1_activestandby_task_each_pals_period_~side2~0#1;havoc Side1_activestandby_task_each_pals_period_~manual_selection~1#1;havoc Side1_activestandby_task_each_pals_period_~next_state~0#1;Side1_activestandby_task_each_pals_period_~side1~0#1 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0#1 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1#1 := 0;~side1Failed~0 := Side1_activestandby_task_each_pals_period_#t~nondet7#1;havoc Side1_activestandby_task_each_pals_period_#t~nondet7#1;assume { :begin_inline_write_side1_failed_history } true;write_side1_failed_history_#in~val#1 := ~side1Failed~0;havoc write_side1_failed_history_~val#1;write_side1_failed_history_~val#1 := write_side1_failed_history_#in~val#1;~side1Failed_History_2~0 := ~side1Failed_History_1~0;~side1Failed_History_1~0 := ~side1Failed_History_0~0;~side1Failed_History_0~0 := write_side1_failed_history_~val#1; 8565#L80 assume { :end_inline_write_side1_failed_history } true; 8550#L277 assume 0 != ~side1Failed~0 % 256; 8551#L278 assume !(~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite8#1 := ~s1s1_new~0; 8563#L278-2 ~s1s1_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite8#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite8#1; 8482#L279 assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite9#1 := ~s1s2_new~0; 8457#L279-2 ~s1s2_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite9#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite9#1; 8458#L280 assume !(~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite10#1 := ~s1p_new~0; 8534#L280-2 ~s1p_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite10#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite10#1;~side1_written~0 := ~nomsg~0; 8535#L318 assume { :end_inline_Side1_activestandby_task_each_pals_period } true;assume { :begin_inline_Side2_activestandby_task_each_pals_period } true;havoc Side2_activestandby_task_each_pals_period_#t~nondet15#1, Side2_activestandby_task_each_pals_period_#t~ite16#1, Side2_activestandby_task_each_pals_period_#t~ite17#1, Side2_activestandby_task_each_pals_period_#t~ite18#1, Side2_activestandby_task_each_pals_period_#t~ret19#1, Side2_activestandby_task_each_pals_period_#t~ite20#1, Side2_activestandby_task_each_pals_period_#t~ite21#1, Side2_activestandby_task_each_pals_period_#t~ite22#1, Side2_activestandby_task_each_pals_period_~side1~1#1, Side2_activestandby_task_each_pals_period_~side2~1#1, Side2_activestandby_task_each_pals_period_~manual_selection~2#1, Side2_activestandby_task_each_pals_period_~next_state~1#1;havoc Side2_activestandby_task_each_pals_period_~side1~1#1;havoc Side2_activestandby_task_each_pals_period_~side2~1#1;havoc Side2_activestandby_task_each_pals_period_~manual_selection~2#1;havoc Side2_activestandby_task_each_pals_period_~next_state~1#1;Side2_activestandby_task_each_pals_period_~side1~1#1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~side2~1#1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~manual_selection~2#1 := 0;~side2Failed~0 := Side2_activestandby_task_each_pals_period_#t~nondet15#1;havoc Side2_activestandby_task_each_pals_period_#t~nondet15#1;assume { :begin_inline_write_side2_failed_history } true;write_side2_failed_history_#in~val#1 := ~side2Failed~0;havoc write_side2_failed_history_~val#1;write_side2_failed_history_~val#1 := write_side2_failed_history_#in~val#1;~side2Failed_History_2~0 := ~side2Failed_History_1~0;~side2Failed_History_1~0 := ~side2Failed_History_0~0;~side2Failed_History_0~0 := write_side2_failed_history_~val#1; 8668#L110 assume { :end_inline_write_side2_failed_history } true; 8666#L334 assume 0 != ~side2Failed~0 % 256; 8667#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite16#1 := ~s2s1_new~0; 8681#L335-2 ~s2s1_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite16#1; 8680#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite17#1 := ~s2s2_new~0; 8679#L336-2 ~s2s2_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite17#1; 8611#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite18#1 := ~s2p_new~0; 8612#L337-2 ~s2p_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite18#1;~side2_written~0 := ~nomsg~0; 8678#L375 assume { :end_inline_Side2_activestandby_task_each_pals_period } true;assume { :begin_inline_Pendulum_prism_task_each_pals_period } true;havoc Pendulum_prism_task_each_pals_period_#t~ret23#1, Pendulum_prism_task_each_pals_period_~active_side~0#1, Pendulum_prism_task_each_pals_period_~tmp~2#1, Pendulum_prism_task_each_pals_period_~side1~2#1, Pendulum_prism_task_each_pals_period_~side2~2#1;havoc Pendulum_prism_task_each_pals_period_~active_side~0#1;havoc Pendulum_prism_task_each_pals_period_~tmp~2#1;havoc Pendulum_prism_task_each_pals_period_~side1~2#1;havoc Pendulum_prism_task_each_pals_period_~side2~2#1;assume { :begin_inline_read_active_side_history } true;read_active_side_history_#in~index#1 := 0;havoc read_active_side_history_#res#1;havoc read_active_side_history_~index#1;read_active_side_history_~index#1 := read_active_side_history_#in~index#1; 8675#L148 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 8674#L158 Pendulum_prism_task_each_pals_period_#t~ret23#1 := read_active_side_history_#res#1;assume { :end_inline_read_active_side_history } true;Pendulum_prism_task_each_pals_period_~tmp~2#1 := Pendulum_prism_task_each_pals_period_#t~ret23#1;havoc Pendulum_prism_task_each_pals_period_#t~ret23#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := Pendulum_prism_task_each_pals_period_~tmp~2#1;Pendulum_prism_task_each_pals_period_~side1~2#1 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2#1 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side1~2#1 := ~s1p_old~0;~s1p_old~0 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2#1 := ~s2p_old~0;~s2p_old~0 := ~nomsg~0; 8574#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := 1; 8420#L408 assume { :begin_inline_write_active_side_history } true;write_active_side_history_#in~val#1 := Pendulum_prism_task_each_pals_period_~active_side~0#1;havoc write_active_side_history_~val#1;write_active_side_history_~val#1 := write_active_side_history_#in~val#1;~active_side_History_2~0 := ~active_side_History_1~0;~active_side_History_1~0 := ~active_side_History_0~0;~active_side_History_0~0 := write_active_side_history_~val#1; 8487#L140 assume { :end_inline_write_active_side_history } true; 8488#L418 assume { :end_inline_Pendulum_prism_task_each_pals_period } true;~cs1_old~0 := ~cs1_new~0;~cs1_new~0 := ~nomsg~0;~cs2_old~0 := ~cs2_new~0;~cs2_new~0 := ~nomsg~0;~s1s2_old~0 := ~s1s2_new~0;~s1s2_new~0 := ~nomsg~0;~s1s1_old~0 := ~s1s1_new~0;~s1s1_new~0 := ~nomsg~0;~s2s1_old~0 := ~s2s1_new~0;~s2s1_new~0 := ~nomsg~0;~s2s2_old~0 := ~s2s2_new~0;~s2s2_new~0 := ~nomsg~0;~s1p_old~0 := ~s1p_new~0;~s1p_new~0 := ~nomsg~0;~s2p_old~0 := ~s2p_new~0;~s2p_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_#t~ret24#1, check_#t~ret25#1, check_#t~ret26#1, check_#t~ret27#1, check_#t~ret28#1, check_#t~ret29#1, check_#t~ret30#1, check_#t~ret31#1, check_#t~ret32#1, check_#t~ret33#1, check_#t~ret34#1, check_#t~ret35#1, check_#t~ret36#1, check_#t~ret37#1, check_#t~ret38#1, check_#t~ret39#1, check_#t~ret40#1, check_#t~ret41#1, check_#t~ret42#1, check_#t~ret43#1, check_#t~ret44#1, check_~tmp~3#1, check_~tmp___0~0#1, check_~tmp___1~0#1, check_~tmp___2~0#1, check_~tmp___3~0#1, check_~tmp___4~0#1, check_~tmp___5~0#1, check_~tmp___6~0#1, check_~tmp___7~0#1, check_~tmp___8~0#1, check_~tmp___9~0#1, check_~tmp___10~0#1, check_~tmp___11~0#1, check_~tmp___12~0#1, check_~tmp___13~0#1, check_~tmp___14~0#1, check_~tmp___15~0#1, check_~tmp___16~0#1, check_~tmp___17~0#1, check_~tmp___18~0#1, check_~tmp___19~0#1, check_~tmp___20~0#1;havoc check_~tmp~3#1;havoc check_~tmp___0~0#1;havoc check_~tmp___1~0#1;havoc check_~tmp___2~0#1;havoc check_~tmp___3~0#1;havoc check_~tmp___4~0#1;havoc check_~tmp___5~0#1;havoc check_~tmp___6~0#1;havoc check_~tmp___7~0#1;havoc check_~tmp___8~0#1;havoc check_~tmp___9~0#1;havoc check_~tmp___10~0#1;havoc check_~tmp___11~0#1;havoc check_~tmp___12~0#1;havoc check_~tmp___13~0#1;havoc check_~tmp___14~0#1;havoc check_~tmp___15~0#1;havoc check_~tmp___16~0#1;havoc check_~tmp___17~0#1;havoc check_~tmp___18~0#1;havoc check_~tmp___19~0#1;havoc check_~tmp___20~0#1; 8585#L447 assume !(0 == ~side1Failed~0 % 256); 8526#L450 assume !(0 == ~side2Failed~0 % 256);check_~tmp~3#1 := 0; 8440#L450-2 assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if 0 == check_~tmp~3#1 then 0 else 1) % 256;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 8441#L58-2 assume !(0 == assume_abort_if_not_~cond#1); 8432#L57-1 assume { :end_inline_assume_abort_if_not } true;assume { :begin_inline_read_manual_selection_history } true;read_manual_selection_history_#in~index#1 := 1;havoc read_manual_selection_history_#res#1;havoc read_manual_selection_history_~index#1;read_manual_selection_history_~index#1 := read_manual_selection_history_#in~index#1; 8433#L178 assume !(0 == read_manual_selection_history_~index#1 % 256); 8450#L181 assume 1 == read_manual_selection_history_~index#1 % 256;read_manual_selection_history_#res#1 := ~manual_selection_History_1~0; 8434#L188 check_#t~ret24#1 := read_manual_selection_history_#res#1;assume { :end_inline_read_manual_selection_history } true;check_~tmp___0~0#1 := check_#t~ret24#1;havoc check_#t~ret24#1; 8435#L457 assume !(0 == check_~tmp___0~0#1); 8411#L457-1 assume { :begin_inline_read_side1_failed_history } true;read_side1_failed_history_#in~index#1 := 1;havoc read_side1_failed_history_#res#1;havoc read_side1_failed_history_~index#1;read_side1_failed_history_~index#1 := read_side1_failed_history_#in~index#1; 8426#L88-2 assume !(0 == read_side1_failed_history_~index#1 % 256); 8427#L91-2 assume 1 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_1~0; 8499#L98-2 check_#t~ret29#1 := read_side1_failed_history_#res#1;assume { :end_inline_read_side1_failed_history } true;check_~tmp___7~0#1 := check_#t~ret29#1;havoc check_#t~ret29#1; 8576#L487 assume !(0 != check_~tmp___7~0#1 % 256); 8567#L487-1 assume { :begin_inline_read_side1_failed_history } true;read_side1_failed_history_#in~index#1 := 1;havoc read_side1_failed_history_#res#1;havoc read_side1_failed_history_~index#1;read_side1_failed_history_~index#1 := read_side1_failed_history_#in~index#1; 8568#L88-3 assume !(0 == read_side1_failed_history_~index#1 % 256); 8548#L91-3 assume 1 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_1~0; 8549#L98-3 check_#t~ret33#1 := read_side1_failed_history_#res#1;assume { :end_inline_read_side1_failed_history } true;check_~tmp___11~0#1 := check_#t~ret33#1;havoc check_#t~ret33#1; 8600#L503 assume 0 == check_~tmp___11~0#1 % 256;assume { :begin_inline_read_side2_failed_history } true;read_side2_failed_history_#in~index#1 := 1;havoc read_side2_failed_history_#res#1;havoc read_side2_failed_history_~index#1;read_side2_failed_history_~index#1 := read_side2_failed_history_#in~index#1; 8598#L118-4 assume !(0 == read_side2_failed_history_~index#1 % 256); 8599#L121-4 assume 1 == read_side2_failed_history_~index#1 % 256;read_side2_failed_history_#res#1 := ~side2Failed_History_1~0; 8607#L128-4 check_#t~ret34#1 := read_side2_failed_history_#res#1;assume { :end_inline_read_side2_failed_history } true;check_~tmp___12~0#1 := check_#t~ret34#1;havoc check_#t~ret34#1; 8593#L505 assume !(0 != check_~tmp___12~0#1 % 256); 8578#L503-1 assume { :begin_inline_read_active_side_history } true;read_active_side_history_#in~index#1 := 2;havoc read_active_side_history_#res#1;havoc read_active_side_history_~index#1;read_active_side_history_~index#1 := read_active_side_history_#in~index#1; 8536#L148-3 assume !(0 == read_active_side_history_~index#1 % 256); 8537#L151-3 assume !(1 == read_active_side_history_~index#1 % 256); 8492#L154-3 assume 2 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_2~0; 8493#L158-3 check_#t~ret37#1 := read_active_side_history_#res#1;assume { :end_inline_read_active_side_history } true;check_~tmp___20~0#1 := check_#t~ret37#1;havoc check_#t~ret37#1; 8597#L519 assume !(check_~tmp___20~0#1 > -2); 8472#L519-1 check_#res#1 := 1; 8518#L537 main_#t~ret62#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret62#1;havoc main_#t~ret62#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 8519#L616-44 assume !(0 == assert_~arg#1 % 256); 8617#L611-22 assume { :end_inline_assert } true; 8560#L582-2 [2021-12-28 09:45:58,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:45:58,444 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 10 times [2021-12-28 09:45:58,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:45:58,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337805362] [2021-12-28 09:45:58,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:45:58,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:45:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:45:58,450 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:45:58,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:45:58,456 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:45:58,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:45:58,457 INFO L85 PathProgramCache]: Analyzing trace with hash 2140249901, now seen corresponding path program 1 times [2021-12-28 09:45:58,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:45:58,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196172658] [2021-12-28 09:45:58,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:45:58,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:45:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:45:58,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:45:58,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:45:58,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196172658] [2021-12-28 09:45:58,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196172658] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:45:58,498 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:45:58,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 09:45:58,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773357586] [2021-12-28 09:45:58,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:45:58,499 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-28 09:45:58,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:45:58,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 09:45:58,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 09:45:58,500 INFO L87 Difference]: Start difference. First operand 273 states and 383 transitions. cyclomatic complexity: 111 Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:45:58,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:45:58,511 INFO L93 Difference]: Finished difference Result 275 states and 384 transitions. [2021-12-28 09:45:58,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 09:45:58,512 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 275 states and 384 transitions. [2021-12-28 09:45:58,513 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 234 [2021-12-28 09:45:58,514 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 275 states to 251 states and 350 transitions. [2021-12-28 09:45:58,514 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 251 [2021-12-28 09:45:58,514 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 251 [2021-12-28 09:45:58,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 251 states and 350 transitions. [2021-12-28 09:45:58,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:45:58,515 INFO L681 BuchiCegarLoop]: Abstraction has 251 states and 350 transitions. [2021-12-28 09:45:58,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states and 350 transitions. [2021-12-28 09:45:58,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2021-12-28 09:45:58,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 251 states have (on average 1.3944223107569722) internal successors, (350), 250 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:45:58,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 350 transitions. [2021-12-28 09:45:58,518 INFO L704 BuchiCegarLoop]: Abstraction has 251 states and 350 transitions. [2021-12-28 09:45:58,518 INFO L587 BuchiCegarLoop]: Abstraction has 251 states and 350 transitions. [2021-12-28 09:45:58,518 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-12-28 09:45:58,518 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 251 states and 350 transitions. [2021-12-28 09:45:58,518 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 234 [2021-12-28 09:45:58,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:45:58,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:45:58,519 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:45:58,519 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2021-12-28 09:45:58,520 INFO L791 eck$LassoCheckResult]: Stem: 9166#ULTIMATE.startENTRY 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(52, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~cs1~0 := 0;~cs1_old~0 := 0;~cs1_new~0 := 0;~cs2~0 := 0;~cs2_old~0 := 0;~cs2_new~0 := 0;~s1s2~0 := 0;~s1s2_old~0 := 0;~s1s2_new~0 := 0;~s1s1~0 := 0;~s1s1_old~0 := 0;~s1s1_new~0 := 0;~s2s1~0 := 0;~s2s1_old~0 := 0;~s2s1_new~0 := 0;~s2s2~0 := 0;~s2s2_old~0 := 0;~s2s2_new~0 := 0;~s1p~0 := 0;~s1p_old~0 := 0;~s1p_new~0 := 0;~s2p~0 := 0;~s2p_old~0 := 0;~s2p_new~0 := 0;~side1Failed~0 := 0;~side2Failed~0 := 0;~side1_written~0 := 0;~side2_written~0 := 0;~side1Failed_History_0~0 := 0;~side1Failed_History_1~0 := 0;~side1Failed_History_2~0 := 0;~side2Failed_History_0~0 := 0;~side2Failed_History_1~0 := 0;~side2Failed_History_2~0 := 0;~active_side_History_0~0 := 0;~active_side_History_1~0 := 0;~active_side_History_2~0 := 0;~manual_selection_History_0~0 := 0;~manual_selection_History_1~0 := 0;~manual_selection_History_2~0 := 0; 9145#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~nondet56#1, main_#t~nondet57#1, main_#t~nondet58#1, main_#t~nondet59#1, main_#t~nondet60#1, main_#t~ret61#1, main_#t~ret62#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~side1Failed~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~side2Failed~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~side1_written~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;~side2_written~0 := main_#t~nondet48#1;havoc main_#t~nondet48#1;~side1Failed_History_0~0 := main_#t~nondet49#1;havoc main_#t~nondet49#1;~side1Failed_History_1~0 := main_#t~nondet50#1;havoc main_#t~nondet50#1;~side1Failed_History_2~0 := main_#t~nondet51#1;havoc main_#t~nondet51#1;~side2Failed_History_0~0 := main_#t~nondet52#1;havoc main_#t~nondet52#1;~side2Failed_History_1~0 := main_#t~nondet53#1;havoc main_#t~nondet53#1;~side2Failed_History_2~0 := main_#t~nondet54#1;havoc main_#t~nondet54#1;~active_side_History_0~0 := main_#t~nondet55#1;havoc main_#t~nondet55#1;~active_side_History_1~0 := main_#t~nondet56#1;havoc main_#t~nondet56#1;~active_side_History_2~0 := main_#t~nondet57#1;havoc main_#t~nondet57#1;~manual_selection_History_0~0 := main_#t~nondet58#1;havoc main_#t~nondet58#1;~manual_selection_History_1~0 := main_#t~nondet59#1;havoc main_#t~nondet59#1;~manual_selection_History_2~0 := main_#t~nondet60#1;havoc main_#t~nondet60#1;assume { :begin_inline_init } true;havoc init_#res#1; 9060#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 9061#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 9003#L203 assume !(-2 != ~active_side_History_0~0); 9004#L206 assume !(0 != ~manual_selection_History_0~0); 9021#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 9155#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 9109#L215 assume !(-2 != ~active_side_History_1~0); 9110#L218 assume !(0 != ~manual_selection_History_1~0); 9146#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 9159#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 9083#L227 assume !(-2 != ~active_side_History_2~0); 9084#L230 assume !(0 != ~manual_selection_History_2~0);init_#res#1 := 1; 9053#L233 main_#t~ret61#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret61#1;havoc main_#t~ret61#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 9054#L58 assume !(0 == assume_abort_if_not_~cond#1); 9111#L57 assume { :end_inline_assume_abort_if_not } true;~cs1_old~0 := ~nomsg~0;~cs1_new~0 := ~nomsg~0;~cs2_old~0 := ~nomsg~0;~cs2_new~0 := ~nomsg~0;~s1s2_old~0 := ~nomsg~0;~s1s2_new~0 := ~nomsg~0;~s1s1_old~0 := ~nomsg~0;~s1s1_new~0 := ~nomsg~0;~s2s1_old~0 := ~nomsg~0;~s2s1_new~0 := ~nomsg~0;~s2s2_old~0 := ~nomsg~0;~s2s2_new~0 := ~nomsg~0;~s1p_old~0 := ~nomsg~0;~s1p_new~0 := ~nomsg~0;~s2p_old~0 := ~nomsg~0;~s2p_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 9112#L582-2 [2021-12-28 09:45:58,520 INFO L793 eck$LassoCheckResult]: Loop: 9112#L582-2 assume !false;assume { :begin_inline_Console_task_each_pals_period } true;havoc Console_task_each_pals_period_#t~nondet4#1, Console_task_each_pals_period_#t~ite5#1, Console_task_each_pals_period_#t~ite6#1, Console_task_each_pals_period_~manual_selection~0#1, Console_task_each_pals_period_~tmp~1#1;havoc Console_task_each_pals_period_~manual_selection~0#1;havoc Console_task_each_pals_period_~tmp~1#1;Console_task_each_pals_period_~tmp~1#1 := Console_task_each_pals_period_#t~nondet4#1;havoc Console_task_each_pals_period_#t~nondet4#1;Console_task_each_pals_period_~manual_selection~0#1 := Console_task_each_pals_period_~tmp~1#1;assume { :begin_inline_write_manual_selection_history } true;write_manual_selection_history_#in~val#1 := Console_task_each_pals_period_~manual_selection~0#1;havoc write_manual_selection_history_~val#1;write_manual_selection_history_~val#1 := write_manual_selection_history_#in~val#1;~manual_selection_History_2~0 := ~manual_selection_History_1~0;~manual_selection_History_1~0 := ~manual_selection_History_0~0;~manual_selection_History_0~0 := write_manual_selection_history_~val#1; 9137#L170 assume { :end_inline_write_manual_selection_history } true; 9138#L258 assume Console_task_each_pals_period_~manual_selection~0#1 != ~nomsg~0 && ~cs1_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite5#1 := Console_task_each_pals_period_~manual_selection~0#1; 9139#L258-2 ~cs1_new~0 := (if Console_task_each_pals_period_#t~ite5#1 % 256 <= 127 then Console_task_each_pals_period_#t~ite5#1 % 256 else Console_task_each_pals_period_#t~ite5#1 % 256 - 256);havoc Console_task_each_pals_period_#t~ite5#1; 9151#L259 assume Console_task_each_pals_period_~manual_selection~0#1 != ~nomsg~0 && ~cs2_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite6#1 := Console_task_each_pals_period_~manual_selection~0#1; 9152#L259-2 ~cs2_new~0 := (if Console_task_each_pals_period_#t~ite6#1 % 256 <= 127 then Console_task_each_pals_period_#t~ite6#1 % 256 else Console_task_each_pals_period_#t~ite6#1 % 256 - 256);havoc Console_task_each_pals_period_#t~ite6#1;Console_task_each_pals_period_~manual_selection~0#1 := 0; 9116#L261 assume { :end_inline_Console_task_each_pals_period } true;assume { :begin_inline_Side1_activestandby_task_each_pals_period } true;havoc Side1_activestandby_task_each_pals_period_#t~nondet7#1, Side1_activestandby_task_each_pals_period_#t~ite8#1, Side1_activestandby_task_each_pals_period_#t~ite9#1, Side1_activestandby_task_each_pals_period_#t~ite10#1, Side1_activestandby_task_each_pals_period_#t~ret11#1, Side1_activestandby_task_each_pals_period_#t~ite12#1, Side1_activestandby_task_each_pals_period_#t~ite13#1, Side1_activestandby_task_each_pals_period_#t~ite14#1, Side1_activestandby_task_each_pals_period_~side1~0#1, Side1_activestandby_task_each_pals_period_~side2~0#1, Side1_activestandby_task_each_pals_period_~manual_selection~1#1, Side1_activestandby_task_each_pals_period_~next_state~0#1;havoc Side1_activestandby_task_each_pals_period_~side1~0#1;havoc Side1_activestandby_task_each_pals_period_~side2~0#1;havoc Side1_activestandby_task_each_pals_period_~manual_selection~1#1;havoc Side1_activestandby_task_each_pals_period_~next_state~0#1;Side1_activestandby_task_each_pals_period_~side1~0#1 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0#1 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1#1 := 0;~side1Failed~0 := Side1_activestandby_task_each_pals_period_#t~nondet7#1;havoc Side1_activestandby_task_each_pals_period_#t~nondet7#1;assume { :begin_inline_write_side1_failed_history } true;write_side1_failed_history_#in~val#1 := ~side1Failed~0;havoc write_side1_failed_history_~val#1;write_side1_failed_history_~val#1 := write_side1_failed_history_#in~val#1;~side1Failed_History_2~0 := ~side1Failed_History_1~0;~side1Failed_History_1~0 := ~side1Failed_History_0~0;~side1Failed_History_0~0 := write_side1_failed_history_~val#1; 9117#L80 assume { :end_inline_write_side1_failed_history } true; 9102#L277 assume !(0 != ~side1Failed~0 % 256);Side1_activestandby_task_each_pals_period_~side1~0#1 := ~s1s1_old~0;~s1s1_old~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0#1 := ~s2s1_old~0;~s2s1_old~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1#1 := ~cs1_old~0;~cs1_old~0 := ~nomsg~0; 9104#L290 assume Side1_activestandby_task_each_pals_period_~side1~0#1 == Side1_activestandby_task_each_pals_period_~side2~0#1;Side1_activestandby_task_each_pals_period_~next_state~0#1 := 1; 8993#L309-1 assume Side1_activestandby_task_each_pals_period_~next_state~0#1 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0;Side1_activestandby_task_each_pals_period_#t~ite12#1 := Side1_activestandby_task_each_pals_period_~next_state~0#1; 8994#L314-1 ~s1s1_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite12#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite12#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite12#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite12#1; 9030#L315 assume Side1_activestandby_task_each_pals_period_~next_state~0#1 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0;Side1_activestandby_task_each_pals_period_#t~ite13#1 := Side1_activestandby_task_each_pals_period_~next_state~0#1; 9031#L315-2 ~s1s2_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite13#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite13#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite13#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite13#1; 9160#L316 assume Side1_activestandby_task_each_pals_period_~next_state~0#1 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0;Side1_activestandby_task_each_pals_period_#t~ite14#1 := Side1_activestandby_task_each_pals_period_~next_state~0#1; 9156#L316-2 ~s1p_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite14#1 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite14#1 % 256 else Side1_activestandby_task_each_pals_period_#t~ite14#1 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite14#1;~side1_written~0 := Side1_activestandby_task_each_pals_period_~next_state~0#1; 9157#L318 assume { :end_inline_Side1_activestandby_task_each_pals_period } true;assume { :begin_inline_Side2_activestandby_task_each_pals_period } true;havoc Side2_activestandby_task_each_pals_period_#t~nondet15#1, Side2_activestandby_task_each_pals_period_#t~ite16#1, Side2_activestandby_task_each_pals_period_#t~ite17#1, Side2_activestandby_task_each_pals_period_#t~ite18#1, Side2_activestandby_task_each_pals_period_#t~ret19#1, Side2_activestandby_task_each_pals_period_#t~ite20#1, Side2_activestandby_task_each_pals_period_#t~ite21#1, Side2_activestandby_task_each_pals_period_#t~ite22#1, Side2_activestandby_task_each_pals_period_~side1~1#1, Side2_activestandby_task_each_pals_period_~side2~1#1, Side2_activestandby_task_each_pals_period_~manual_selection~2#1, Side2_activestandby_task_each_pals_period_~next_state~1#1;havoc Side2_activestandby_task_each_pals_period_~side1~1#1;havoc Side2_activestandby_task_each_pals_period_~side2~1#1;havoc Side2_activestandby_task_each_pals_period_~manual_selection~2#1;havoc Side2_activestandby_task_each_pals_period_~next_state~1#1;Side2_activestandby_task_each_pals_period_~side1~1#1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~side2~1#1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~manual_selection~2#1 := 0;~side2Failed~0 := Side2_activestandby_task_each_pals_period_#t~nondet15#1;havoc Side2_activestandby_task_each_pals_period_#t~nondet15#1;assume { :begin_inline_write_side2_failed_history } true;write_side2_failed_history_#in~val#1 := ~side2Failed~0;havoc write_side2_failed_history_~val#1;write_side2_failed_history_~val#1 := write_side2_failed_history_#in~val#1;~side2Failed_History_2~0 := ~side2Failed_History_1~0;~side2Failed_History_1~0 := ~side2Failed_History_0~0;~side2Failed_History_0~0 := write_side2_failed_history_~val#1; 9199#L110 assume { :end_inline_write_side2_failed_history } true; 9198#L334 assume 0 != ~side2Failed~0 % 256; 8999#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite16#1 := ~s2s1_new~0; 9000#L335-2 ~s2s1_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite16#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite16#1; 9013#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite17#1 := ~s2s2_new~0; 9066#L336-2 ~s2s2_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite17#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite17#1; 9158#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite18#1 := ~s2p_new~0; 9098#L337-2 ~s2p_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 else Side2_activestandby_task_each_pals_period_#t~ite18#1 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite18#1;~side2_written~0 := ~nomsg~0; 9099#L375 assume { :end_inline_Side2_activestandby_task_each_pals_period } true;assume { :begin_inline_Pendulum_prism_task_each_pals_period } true;havoc Pendulum_prism_task_each_pals_period_#t~ret23#1, Pendulum_prism_task_each_pals_period_~active_side~0#1, Pendulum_prism_task_each_pals_period_~tmp~2#1, Pendulum_prism_task_each_pals_period_~side1~2#1, Pendulum_prism_task_each_pals_period_~side2~2#1;havoc Pendulum_prism_task_each_pals_period_~active_side~0#1;havoc Pendulum_prism_task_each_pals_period_~tmp~2#1;havoc Pendulum_prism_task_each_pals_period_~side1~2#1;havoc Pendulum_prism_task_each_pals_period_~side2~2#1;assume { :begin_inline_read_active_side_history } true;read_active_side_history_#in~index#1 := 0;havoc read_active_side_history_#res#1;havoc read_active_side_history_~index#1;read_active_side_history_~index#1 := read_active_side_history_#in~index#1; 9210#L148 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 9209#L158 Pendulum_prism_task_each_pals_period_#t~ret23#1 := read_active_side_history_#res#1;assume { :end_inline_read_active_side_history } true;Pendulum_prism_task_each_pals_period_~tmp~2#1 := Pendulum_prism_task_each_pals_period_#t~ret23#1;havoc Pendulum_prism_task_each_pals_period_#t~ret23#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := Pendulum_prism_task_each_pals_period_~tmp~2#1;Pendulum_prism_task_each_pals_period_~side1~2#1 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2#1 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side1~2#1 := ~s1p_old~0;~s1p_old~0 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2#1 := ~s2p_old~0;~s2p_old~0 := ~nomsg~0; 9208#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := 1; 9202#L408 assume { :begin_inline_write_active_side_history } true;write_active_side_history_#in~val#1 := Pendulum_prism_task_each_pals_period_~active_side~0#1;havoc write_active_side_history_~val#1;write_active_side_history_~val#1 := write_active_side_history_#in~val#1;~active_side_History_2~0 := ~active_side_History_1~0;~active_side_History_1~0 := ~active_side_History_0~0;~active_side_History_0~0 := write_active_side_history_~val#1; 9201#L140 assume { :end_inline_write_active_side_history } true; 9200#L418 assume { :end_inline_Pendulum_prism_task_each_pals_period } true;~cs1_old~0 := ~cs1_new~0;~cs1_new~0 := ~nomsg~0;~cs2_old~0 := ~cs2_new~0;~cs2_new~0 := ~nomsg~0;~s1s2_old~0 := ~s1s2_new~0;~s1s2_new~0 := ~nomsg~0;~s1s1_old~0 := ~s1s1_new~0;~s1s1_new~0 := ~nomsg~0;~s2s1_old~0 := ~s2s1_new~0;~s2s1_new~0 := ~nomsg~0;~s2s2_old~0 := ~s2s2_new~0;~s2s2_new~0 := ~nomsg~0;~s1p_old~0 := ~s1p_new~0;~s1p_new~0 := ~nomsg~0;~s2p_old~0 := ~s2p_new~0;~s2p_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_#t~ret24#1, check_#t~ret25#1, check_#t~ret26#1, check_#t~ret27#1, check_#t~ret28#1, check_#t~ret29#1, check_#t~ret30#1, check_#t~ret31#1, check_#t~ret32#1, check_#t~ret33#1, check_#t~ret34#1, check_#t~ret35#1, check_#t~ret36#1, check_#t~ret37#1, check_#t~ret38#1, check_#t~ret39#1, check_#t~ret40#1, check_#t~ret41#1, check_#t~ret42#1, check_#t~ret43#1, check_#t~ret44#1, check_~tmp~3#1, check_~tmp___0~0#1, check_~tmp___1~0#1, check_~tmp___2~0#1, check_~tmp___3~0#1, check_~tmp___4~0#1, check_~tmp___5~0#1, check_~tmp___6~0#1, check_~tmp___7~0#1, check_~tmp___8~0#1, check_~tmp___9~0#1, check_~tmp___10~0#1, check_~tmp___11~0#1, check_~tmp___12~0#1, check_~tmp___13~0#1, check_~tmp___14~0#1, check_~tmp___15~0#1, check_~tmp___16~0#1, check_~tmp___17~0#1, check_~tmp___18~0#1, check_~tmp___19~0#1, check_~tmp___20~0#1;havoc check_~tmp~3#1;havoc check_~tmp___0~0#1;havoc check_~tmp___1~0#1;havoc check_~tmp___2~0#1;havoc check_~tmp___3~0#1;havoc check_~tmp___4~0#1;havoc check_~tmp___5~0#1;havoc check_~tmp___6~0#1;havoc check_~tmp___7~0#1;havoc check_~tmp___8~0#1;havoc check_~tmp___9~0#1;havoc check_~tmp___10~0#1;havoc check_~tmp___11~0#1;havoc check_~tmp___12~0#1;havoc check_~tmp___13~0#1;havoc check_~tmp___14~0#1;havoc check_~tmp___15~0#1;havoc check_~tmp___16~0#1;havoc check_~tmp___17~0#1;havoc check_~tmp___18~0#1;havoc check_~tmp___19~0#1;havoc check_~tmp___20~0#1; 9167#L447 assume 0 == ~side1Failed~0 % 256;check_~tmp~3#1 := 1; 8997#L450-2 assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if 0 == check_~tmp~3#1 then 0 else 1) % 256;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 8998#L58-2 assume !(0 == assume_abort_if_not_~cond#1); 8989#L57-1 assume { :end_inline_assume_abort_if_not } true;assume { :begin_inline_read_manual_selection_history } true;read_manual_selection_history_#in~index#1 := 1;havoc read_manual_selection_history_#res#1;havoc read_manual_selection_history_~index#1;read_manual_selection_history_~index#1 := read_manual_selection_history_#in~index#1; 8990#L178 assume !(0 == read_manual_selection_history_~index#1 % 256); 9007#L181 assume 1 == read_manual_selection_history_~index#1 % 256;read_manual_selection_history_#res#1 := ~manual_selection_History_1~0; 8991#L188 check_#t~ret24#1 := read_manual_selection_history_#res#1;assume { :end_inline_read_manual_selection_history } true;check_~tmp___0~0#1 := check_#t~ret24#1;havoc check_#t~ret24#1; 8992#L457 assume !(0 == check_~tmp___0~0#1); 8968#L457-1 assume { :begin_inline_read_side1_failed_history } true;read_side1_failed_history_#in~index#1 := 1;havoc read_side1_failed_history_#res#1;havoc read_side1_failed_history_~index#1;read_side1_failed_history_~index#1 := read_side1_failed_history_#in~index#1; 8983#L88-2 assume !(0 == read_side1_failed_history_~index#1 % 256); 8984#L91-2 assume 1 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_1~0; 9055#L98-2 check_#t~ret29#1 := read_side1_failed_history_#res#1;assume { :end_inline_read_side1_failed_history } true;check_~tmp___7~0#1 := check_#t~ret29#1;havoc check_#t~ret29#1; 9127#L487 assume 0 != check_~tmp___7~0#1 % 256;assume { :begin_inline_read_side2_failed_history } true;read_side2_failed_history_#in~index#1 := 1;havoc read_side2_failed_history_#res#1;havoc read_side2_failed_history_~index#1;read_side2_failed_history_~index#1 := read_side2_failed_history_#in~index#1; 9046#L118-2 assume !(0 == read_side2_failed_history_~index#1 % 256); 9047#L121-2 assume 1 == read_side2_failed_history_~index#1 % 256;read_side2_failed_history_#res#1 := ~side2Failed_History_1~0; 9121#L128-2 check_#t~ret30#1 := read_side2_failed_history_#res#1;assume { :end_inline_read_side2_failed_history } true;check_~tmp___8~0#1 := check_#t~ret30#1;havoc check_#t~ret30#1; 9165#L489 assume !(0 == check_~tmp___8~0#1 % 256); 9133#L487-1 assume { :begin_inline_read_side1_failed_history } true;read_side1_failed_history_#in~index#1 := 1;havoc read_side1_failed_history_#res#1;havoc read_side1_failed_history_~index#1;read_side1_failed_history_~index#1 := read_side1_failed_history_#in~index#1; 9216#L88-3 assume !(0 == read_side1_failed_history_~index#1 % 256); 9215#L91-3 assume 1 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_1~0; 9214#L98-3 check_#t~ret33#1 := read_side1_failed_history_#res#1;assume { :end_inline_read_side1_failed_history } true;check_~tmp___11~0#1 := check_#t~ret33#1;havoc check_#t~ret33#1; 9213#L503 assume !(0 == check_~tmp___11~0#1 % 256); 9129#L503-1 assume { :begin_inline_read_active_side_history } true;read_active_side_history_#in~index#1 := 2;havoc read_active_side_history_#res#1;havoc read_active_side_history_~index#1;read_active_side_history_~index#1 := read_active_side_history_#in~index#1; 9090#L148-3 assume !(0 == read_active_side_history_~index#1 % 256); 9091#L151-3 assume !(1 == read_active_side_history_~index#1 % 256); 9048#L154-3 assume 2 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_2~0; 9049#L158-3 check_#t~ret37#1 := read_active_side_history_#res#1;assume { :end_inline_read_active_side_history } true;check_~tmp___20~0#1 := check_#t~ret37#1;havoc check_#t~ret37#1; 9147#L519 assume !(check_~tmp___20~0#1 > -2); 9029#L519-1 check_#res#1 := 1; 9072#L537 main_#t~ret62#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret62#1;havoc main_#t~ret62#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 9073#L616-44 assume !(0 == assert_~arg#1 % 256); 9162#L611-22 assume { :end_inline_assert } true; 9112#L582-2 [2021-12-28 09:45:58,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:45:58,520 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 11 times [2021-12-28 09:45:58,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:45:58,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738826988] [2021-12-28 09:45:58,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:45:58,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:45:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:45:58,526 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:45:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:45:58,533 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:45:58,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:45:58,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1136014308, now seen corresponding path program 1 times [2021-12-28 09:45:58,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:45:58,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516586549] [2021-12-28 09:45:58,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:45:58,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:45:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:45:58,554 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:45:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:45:58,583 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:45:58,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:45:58,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1495995580, now seen corresponding path program 1 times [2021-12-28 09:45:58,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:45:58,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586978827] [2021-12-28 09:45:58,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:45:58,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:45:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:45:58,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:45:58,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:45:58,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586978827] [2021-12-28 09:45:58,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586978827] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:45:58,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:45:58,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 09:45:58,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327820137] [2021-12-28 09:45:58,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:46:01,716 INFO L210 LassoAnalysis]: Preferences: [2021-12-28 09:46:01,716 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-28 09:46:01,717 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-28 09:46:01,717 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-28 09:46:01,717 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-28 09:46:01,717 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:46:01,717 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-28 09:46:01,717 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-28 09:46:01,717 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c_Iteration12_Loop [2021-12-28 09:46:01,717 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-28 09:46:01,717 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-28 09:46:01,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:01,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:02,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:02,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:02,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:02,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:02,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:02,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:02,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:02,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:02,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:02,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:02,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:02,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:02,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:02,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:02,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:02,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:02,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:02,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:02,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:02,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:02,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:02,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:02,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:02,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:02,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:02,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:02,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:02,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-28 09:46:03,469 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 13