./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 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.4_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 ac8e60fb32c268c01bf0cc1d1cd76454411c67e3ab15d16b4eca5e74b982e97f --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 10:06:21,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 10:06:22,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 10:06:22,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 10:06:22,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 10:06:22,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 10:06:22,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 10:06:22,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 10:06:22,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 10:06:22,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 10:06:22,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 10:06:22,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 10:06:22,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 10:06:22,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 10:06:22,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 10:06:22,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 10:06:22,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 10:06:22,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 10:06:22,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 10:06:22,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 10:06:22,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 10:06:22,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 10:06:22,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 10:06:22,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 10:06:22,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 10:06:22,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 10:06:22,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 10:06:22,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 10:06:22,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 10:06:22,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 10:06:22,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 10:06:22,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 10:06:22,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 10:06:22,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 10:06:22,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 10:06:22,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 10:06:22,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 10:06:22,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 10:06:22,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 10:06:22,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 10:06:22,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 10:06:22,059 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-16 10:06:22,085 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 10:06:22,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 10:06:22,086 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 10:06:22,086 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 10:06:22,087 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 10:06:22,087 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 10:06:22,087 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 10:06:22,087 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-16 10:06:22,088 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-16 10:06:22,088 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-16 10:06:22,088 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-16 10:06:22,088 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-16 10:06:22,088 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-16 10:06:22,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 10:06:22,089 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 10:06:22,089 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-16 10:06:22,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 10:06:22,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 10:06:22,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 10:06:22,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-16 10:06:22,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-16 10:06:22,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-16 10:06:22,090 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 10:06:22,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 10:06:22,090 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-16 10:06:22,091 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 10:06:22,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-16 10:06:22,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 10:06:22,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 10:06:22,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 10:06:22,091 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 10:06:22,092 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 10:06:22,092 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-16 10:06:22,092 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac8e60fb32c268c01bf0cc1d1cd76454411c67e3ab15d16b4eca5e74b982e97f [2021-12-16 10:06:22,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 10:06:22,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 10:06:22,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 10:06:22,278 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 10:06:22,279 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 10:06:22,280 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c [2021-12-16 10:06:22,345 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32ce6bb8a/ef9dc450212d47a0a0a3cec0fa469bfe/FLAGda65c3b9c [2021-12-16 10:06:22,760 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 10:06:22,761 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c [2021-12-16 10:06:22,783 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32ce6bb8a/ef9dc450212d47a0a0a3cec0fa469bfe/FLAGda65c3b9c [2021-12-16 10:06:23,131 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32ce6bb8a/ef9dc450212d47a0a0a3cec0fa469bfe [2021-12-16 10:06:23,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 10:06:23,134 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 10:06:23,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 10:06:23,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 10:06:23,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 10:06:23,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 10:06:23" (1/1) ... [2021-12-16 10:06:23,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1587a04c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:06:23, skipping insertion in model container [2021-12-16 10:06:23,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 10:06:23" (1/1) ... [2021-12-16 10:06:23,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 10:06:23,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 10:06:23,377 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.4_1.ufo.UNBOUNDED.pals.c[14522,14535] [2021-12-16 10:06:23,378 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 10:06:23,384 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 10:06:23,419 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.4_1.ufo.UNBOUNDED.pals.c[14522,14535] [2021-12-16 10:06:23,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 10:06:23,430 INFO L208 MainTranslator]: Completed translation [2021-12-16 10:06:23,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:06:23 WrapperNode [2021-12-16 10:06:23,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 10:06:23,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 10:06:23,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 10:06:23,437 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 10:06:23,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:06:23" (1/1) ... [2021-12-16 10:06:23,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:06:23" (1/1) ... [2021-12-16 10:06:23,494 INFO L137 Inliner]: procedures = 32, calls = 48, calls flagged for inlining = 43, calls inlined = 61, statements flattened = 930 [2021-12-16 10:06:23,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 10:06:23,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 10:06:23,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 10:06:23,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 10:06:23,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:06:23" (1/1) ... [2021-12-16 10:06:23,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:06:23" (1/1) ... [2021-12-16 10:06:23,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:06:23" (1/1) ... [2021-12-16 10:06:23,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:06:23" (1/1) ... [2021-12-16 10:06:23,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:06:23" (1/1) ... [2021-12-16 10:06:23,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:06:23" (1/1) ... [2021-12-16 10:06:23,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:06:23" (1/1) ... [2021-12-16 10:06:23,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 10:06:23,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 10:06:23,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 10:06:23,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 10:06:23,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:06:23" (1/1) ... [2021-12-16 10:06:23,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:06:23,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:06:23,587 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) [2021-12-16 10:06:23,592 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 [2021-12-16 10:06:23,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 10:06:23,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 10:06:23,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 10:06:23,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 10:06:23,732 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 10:06:23,733 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 10:06:24,219 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 10:06:24,227 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 10:06:24,228 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-16 10:06:24,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 10:06:24 BoogieIcfgContainer [2021-12-16 10:06:24,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 10:06:24,230 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-16 10:06:24,230 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-16 10:06:24,233 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-16 10:06:24,233 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 10:06:24,233 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.12 10:06:23" (1/3) ... [2021-12-16 10:06:24,234 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c61f75d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 10:06:24, skipping insertion in model container [2021-12-16 10:06:24,234 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 10:06:24,234 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:06:23" (2/3) ... [2021-12-16 10:06:24,235 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c61f75d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 10:06:24, skipping insertion in model container [2021-12-16 10:06:24,235 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 10:06:24,235 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 10:06:24" (3/3) ... [2021-12-16 10:06:24,236 INFO L388 chiAutomizerObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c [2021-12-16 10:06:24,279 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-16 10:06:24,280 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-16 10:06:24,280 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-16 10:06:24,281 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-16 10:06:24,281 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-16 10:06:24,281 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-16 10:06:24,281 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-16 10:06:24,281 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-16 10:06:24,302 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 276 states, 275 states have (on average 1.6072727272727272) internal successors, (442), 275 states have internal predecessors, (442), 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) [2021-12-16 10:06:24,332 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2021-12-16 10:06:24,332 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:06:24,332 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:06:24,339 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-16 10:06:24,339 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] [2021-12-16 10:06:24,339 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-16 10:06:24,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 276 states, 275 states have (on average 1.6072727272727272) internal successors, (442), 275 states have internal predecessors, (442), 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) [2021-12-16 10:06:24,345 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2021-12-16 10:06:24,345 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:06:24,345 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:06:24,347 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-16 10:06:24,347 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] [2021-12-16 10:06:24,352 INFO L791 eck$LassoCheckResult]: Stem: 265#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(54, 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; 174#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; 62#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; 173#L58true assume !(0 == assume_abort_if_not_~cond#1); 128#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; 53#L574-2true [2021-12-16 10:06:24,353 INFO L793 eck$LassoCheckResult]: Loop: 53#L574-2true 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; 200#L170true assume { :end_inline_write_manual_selection_history } true; 168#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; 209#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; 203#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; 256#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; 134#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; 143#L80true assume { :end_inline_write_side1_failed_history } true; 123#L277true assume 0 != ~side1Failed~0 % 256; 131#L278true assume ~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0;Side1_activestandby_task_each_pals_period_#t~ite8#1 := ~nomsg~0; 138#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; 50#L279true assume ~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0;Side1_activestandby_task_each_pals_period_#t~ite9#1 := ~nomsg~0; 31#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; 235#L280true assume ~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0;Side1_activestandby_task_each_pals_period_#t~ite10#1 := ~nomsg~0; 106#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; 272#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; 32#L334true assume 0 != ~side2Failed~0 % 256; 20#L335true assume ~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0;Side2_activestandby_task_each_pals_period_#t~ite16#1 := ~nomsg~0; 30#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; 80#L336true assume ~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0;Side2_activestandby_task_each_pals_period_#t~ite17#1 := ~nomsg~0; 217#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; 213#L337true assume ~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0;Side2_activestandby_task_each_pals_period_#t~ite18#1 := ~nomsg~0; 115#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; 147#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; 27#L148true assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 150#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; 149#L394true assume 1 == Pendulum_prism_task_each_pals_period_~side1~2#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := 1; 204#L400-1true 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; 56#L140true assume { :end_inline_write_active_side_history } true; 99#L410true 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; 191#L439true assume 0 == ~side1Failed~0 % 256;check_~tmp~3#1 := 1; 240#L442-2true 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; 148#L58-2true assume 0 == assume_abort_if_not_~cond#1;assume false; 15#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; 26#L178true assume 0 == read_manual_selection_history_~index#1 % 256;read_manual_selection_history_#res#1 := ~manual_selection_History_0~0; 16#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; 67#L449true assume !(0 == check_~tmp___0~0#1); 236#L449-1true 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; 13#L88-2true assume 0 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_0~0; 220#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; 202#L479true 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; 57#L118-2true assume 0 == read_side2_failed_history_~index#1 % 256;read_side2_failed_history_#res#1 := ~side2Failed_History_0~0; 278#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; 164#L481true 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; 245#L148-1true assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 233#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; 243#L483true assume !(2 == check_~tmp___5~0#1);check_#res#1 := 0; 88#L529true 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; 141#L608-44true assume !(0 == assert_~arg#1 % 256); 238#L603-22true assume { :end_inline_assert } true; 53#L574-2true [2021-12-16 10:06:24,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:06:24,358 INFO L85 PathProgramCache]: Analyzing trace with hash 889563392, now seen corresponding path program 1 times [2021-12-16 10:06:24,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:06:24,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149247314] [2021-12-16 10:06:24,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:06:24,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:06:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:06:24,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:06:24,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 10:06:24,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149247314] [2021-12-16 10:06:24,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149247314] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 10:06:24,513 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 10:06:24,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 10:06:24,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856048938] [2021-12-16 10:06:24,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 10:06:24,523 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 10:06:24,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:06:24,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1846891234, now seen corresponding path program 1 times [2021-12-16 10:06:24,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:06:24,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318135789] [2021-12-16 10:06:24,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:06:24,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:06:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:06:24,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:06:24,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 10:06:24,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318135789] [2021-12-16 10:06:24,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318135789] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 10:06:24,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 10:06:24,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 10:06:24,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295338617] [2021-12-16 10:06:24,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 10:06:24,581 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-16 10:06:24,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 10:06:24,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 10:06:24,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 10:06:24,603 INFO L87 Difference]: Start difference. First operand has 276 states, 275 states have (on average 1.6072727272727272) internal successors, (442), 275 states have internal predecessors, (442), 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) [2021-12-16 10:06:24,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 10:06:24,668 INFO L93 Difference]: Finished difference Result 274 states and 407 transitions. [2021-12-16 10:06:24,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 10:06:24,675 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 274 states and 407 transitions. [2021-12-16 10:06:24,679 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 232 [2021-12-16 10:06:24,684 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 274 states to 249 states and 371 transitions. [2021-12-16 10:06:24,685 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 249 [2021-12-16 10:06:24,686 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 249 [2021-12-16 10:06:24,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 249 states and 371 transitions. [2021-12-16 10:06:24,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:06:24,688 INFO L681 BuchiCegarLoop]: Abstraction has 249 states and 371 transitions. [2021-12-16 10:06:24,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states and 371 transitions. [2021-12-16 10:06:24,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2021-12-16 10:06:24,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 249 states have (on average 1.4899598393574298) internal successors, (371), 248 states have internal predecessors, (371), 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) [2021-12-16 10:06:24,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 371 transitions. [2021-12-16 10:06:24,715 INFO L704 BuchiCegarLoop]: Abstraction has 249 states and 371 transitions. [2021-12-16 10:06:24,715 INFO L587 BuchiCegarLoop]: Abstraction has 249 states and 371 transitions. [2021-12-16 10:06:24,715 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-16 10:06:24,715 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 249 states and 371 transitions. [2021-12-16 10:06:24,717 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 232 [2021-12-16 10:06:24,717 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:06:24,717 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:06:24,718 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:06:24,718 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] [2021-12-16 10:06:24,719 INFO L791 eck$LassoCheckResult]: Stem: 810#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(54, 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; 784#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; 680#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 681#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 600#L203 assume !(-2 != ~active_side_History_0~0); 601#L206 assume !(0 != ~manual_selection_History_0~0); 620#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 798#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 746#L215 assume !(-2 != ~active_side_History_1~0); 747#L218 assume !(0 != ~manual_selection_History_1~0); 785#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 802#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 712#L227 assume !(-2 != ~active_side_History_2~0); 713#L230 assume !(0 != ~manual_selection_History_2~0);init_#res#1 := 1; 664#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; 665#L58 assume !(0 == assume_abort_if_not_~cond#1); 749#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; 649#L574-2 [2021-12-16 10:06:24,719 INFO L793 eck$LassoCheckResult]: Loop: 649#L574-2 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; 650#L170 assume { :end_inline_write_manual_selection_history } true; 779#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; 780#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; 795#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; 796#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; 755#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; 756#L80 assume { :end_inline_write_side1_failed_history } true; 742#L277 assume 0 != ~side1Failed~0 % 256; 743#L278 assume !(~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite8#1 := ~s1s1_new~0; 752#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; 645#L279 assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite9#1 := ~s1s2_new~0; 613#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; 614#L280 assume !(~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite10#1 := ~s1p_new~0; 723#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; 724#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; 676#L110 assume { :end_inline_write_side2_failed_history } true; 615#L334 assume 0 != ~side2Failed~0 % 256; 595#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite16#1 := ~s2s1_new~0; 596#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; 612#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite17#1 := ~s2s2_new~0; 695#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; 801#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite18#1 := ~s2p_new~0; 736#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; 708#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; 605#L148 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 606#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; 766#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := 1; 574#L400-1 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; 654#L140 assume { :end_inline_write_active_side_history } true; 655#L410 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; 717#L439 assume 0 == ~side1Failed~0 % 256;check_~tmp~3#1 := 1; 778#L442-2 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; 765#L58-2 assume !(0 == assume_abort_if_not_~cond#1); 585#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; 586#L178 assume 0 == read_manual_selection_history_~index#1 % 256;read_manual_selection_history_#res#1 := ~manual_selection_History_0~0; 587#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; 588#L449 assume !(0 == check_~tmp___0~0#1); 578#L449-1 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; 580#L88-2 assume 0 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_0~0; 581#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; 794#L479 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; 656#L118-2 assume 0 == read_side2_failed_history_~index#1 % 256;read_side2_failed_history_#res#1 := ~side2Failed_History_0~0; 657#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; 775#L481 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; 776#L148-1 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 782#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; 805#L483 assume !(2 == check_~tmp___5~0#1);check_#res#1 := 0; 569#L529 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; 705#L608-44 assume !(0 == assert_~arg#1 % 256); 761#L603-22 assume { :end_inline_assert } true; 649#L574-2 [2021-12-16 10:06:24,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:06:24,720 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 1 times [2021-12-16 10:06:24,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:06:24,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090486010] [2021-12-16 10:06:24,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:06:24,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:06:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:06:24,740 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:06:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:06:24,795 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:06:24,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:06:24,796 INFO L85 PathProgramCache]: Analyzing trace with hash -284856864, now seen corresponding path program 1 times [2021-12-16 10:06:24,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:06:24,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275647646] [2021-12-16 10:06:24,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:06:24,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:06:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:06:24,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:06:24,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 10:06:24,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275647646] [2021-12-16 10:06:24,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275647646] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 10:06:24,851 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 10:06:24,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 10:06:24,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664461166] [2021-12-16 10:06:24,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 10:06:24,852 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-16 10:06:24,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 10:06:24,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 10:06:24,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 10:06:24,853 INFO L87 Difference]: Start difference. First operand 249 states and 371 transitions. cyclomatic complexity: 123 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) [2021-12-16 10:06:24,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 10:06:24,888 INFO L93 Difference]: Finished difference Result 457 states and 688 transitions. [2021-12-16 10:06:24,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 10:06:24,889 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 457 states and 688 transitions. [2021-12-16 10:06:24,892 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 440 [2021-12-16 10:06:24,895 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 457 states to 457 states and 688 transitions. [2021-12-16 10:06:24,895 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 457 [2021-12-16 10:06:24,898 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 457 [2021-12-16 10:06:24,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 457 states and 688 transitions. [2021-12-16 10:06:24,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:06:24,900 INFO L681 BuchiCegarLoop]: Abstraction has 457 states and 688 transitions. [2021-12-16 10:06:24,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states and 688 transitions. [2021-12-16 10:06:24,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 288. [2021-12-16 10:06:24,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 288 states have (on average 1.4861111111111112) internal successors, (428), 287 states have internal predecessors, (428), 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) [2021-12-16 10:06:24,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 428 transitions. [2021-12-16 10:06:24,911 INFO L704 BuchiCegarLoop]: Abstraction has 288 states and 428 transitions. [2021-12-16 10:06:24,911 INFO L587 BuchiCegarLoop]: Abstraction has 288 states and 428 transitions. [2021-12-16 10:06:24,912 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-16 10:06:24,912 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 288 states and 428 transitions. [2021-12-16 10:06:24,913 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 271 [2021-12-16 10:06:24,913 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:06:24,913 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:06:24,914 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:06:24,914 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] [2021-12-16 10:06:24,914 INFO L791 eck$LassoCheckResult]: Stem: 1539#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(54, 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; 1506#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; 1394#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 1395#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 1312#L203 assume !(-2 != ~active_side_History_0~0); 1313#L206 assume !(0 != ~manual_selection_History_0~0); 1333#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 1523#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 1464#L215 assume !(-2 != ~active_side_History_1~0); 1465#L218 assume !(0 != ~manual_selection_History_1~0); 1507#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 1528#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 1428#L227 assume !(-2 != ~active_side_History_2~0); 1429#L230 assume !(0 != ~manual_selection_History_2~0);init_#res#1 := 1; 1380#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; 1381#L58 assume !(0 == assume_abort_if_not_~cond#1); 1469#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; 1362#L574-2 [2021-12-16 10:06:24,915 INFO L793 eck$LassoCheckResult]: Loop: 1362#L574-2 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; 1363#L170 assume { :end_inline_write_manual_selection_history } true; 1501#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; 1502#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; 1518#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; 1519#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; 1473#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; 1474#L80 assume { :end_inline_write_side1_failed_history } true; 1460#L277 assume 0 != ~side1Failed~0 % 256; 1461#L278 assume !(~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite8#1 := ~s1s1_new~0; 1470#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; 1361#L279 assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite9#1 := ~s1s2_new~0; 1325#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; 1326#L280 assume !(~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite10#1 := ~s1p_new~0; 1440#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; 1441#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; 1389#L110 assume { :end_inline_write_side2_failed_history } true; 1390#L334 assume 0 != ~side2Failed~0 % 256; 1307#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite16#1 := ~s2s1_new~0; 1308#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; 1324#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite17#1 := ~s2s2_new~0; 1409#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; 1549#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite18#1 := ~s2p_new~0; 1547#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; 1546#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; 1317#L148 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 1318#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; 1485#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := 1; 1286#L400-1 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; 1367#L140 assume { :end_inline_write_active_side_history } true; 1368#L410 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; 1512#L439 assume !(0 == ~side1Failed~0 % 256); 1499#L442 assume 0 == ~side2Failed~0 % 256;check_~tmp~3#1 := 1; 1500#L442-2 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; 1484#L58-2 assume !(0 == assume_abort_if_not_~cond#1); 1297#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; 1298#L178 assume 0 == read_manual_selection_history_~index#1 % 256;read_manual_selection_history_#res#1 := ~manual_selection_History_0~0; 1299#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; 1300#L449 assume !(0 == check_~tmp___0~0#1); 1290#L449-1 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; 1292#L88-2 assume 0 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_0~0; 1293#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; 1517#L479 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; 1369#L118-2 assume 0 == read_side2_failed_history_~index#1 % 256;read_side2_failed_history_#res#1 := ~side2Failed_History_0~0; 1370#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; 1497#L481 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; 1498#L148-1 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 1504#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; 1532#L483 assume !(2 == check_~tmp___5~0#1);check_#res#1 := 0; 1281#L529 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#L608-44 assume !(0 == assert_~arg#1 % 256); 1479#L603-22 assume { :end_inline_assert } true; 1362#L574-2 [2021-12-16 10:06:24,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:06:24,915 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 2 times [2021-12-16 10:06:24,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:06:24,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545708462] [2021-12-16 10:06:24,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:06:24,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:06:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:06:24,929 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:06:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:06:24,947 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:06:24,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:06:24,950 INFO L85 PathProgramCache]: Analyzing trace with hash 940726639, now seen corresponding path program 1 times [2021-12-16 10:06:24,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:06:24,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295988352] [2021-12-16 10:06:24,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:06:24,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:06:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:06:25,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:06:25,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 10:06:25,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295988352] [2021-12-16 10:06:25,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295988352] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 10:06:25,033 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 10:06:25,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 10:06:25,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836869275] [2021-12-16 10:06:25,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 10:06:25,033 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-16 10:06:25,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 10:06:25,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 10:06:25,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 10:06:25,036 INFO L87 Difference]: Start difference. First operand 288 states and 428 transitions. cyclomatic complexity: 141 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) [2021-12-16 10:06:25,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 10:06:25,053 INFO L93 Difference]: Finished difference Result 513 states and 770 transitions. [2021-12-16 10:06:25,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 10:06:25,055 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 513 states and 770 transitions. [2021-12-16 10:06:25,058 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 496 [2021-12-16 10:06:25,060 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 513 states to 513 states and 770 transitions. [2021-12-16 10:06:25,060 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 513 [2021-12-16 10:06:25,062 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 513 [2021-12-16 10:06:25,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 513 states and 770 transitions. [2021-12-16 10:06:25,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:06:25,063 INFO L681 BuchiCegarLoop]: Abstraction has 513 states and 770 transitions. [2021-12-16 10:06:25,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states and 770 transitions. [2021-12-16 10:06:25,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 319. [2021-12-16 10:06:25,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 319 states have (on average 1.4858934169278997) internal successors, (474), 318 states have internal predecessors, (474), 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) [2021-12-16 10:06:25,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 474 transitions. [2021-12-16 10:06:25,082 INFO L704 BuchiCegarLoop]: Abstraction has 319 states and 474 transitions. [2021-12-16 10:06:25,082 INFO L587 BuchiCegarLoop]: Abstraction has 319 states and 474 transitions. [2021-12-16 10:06:25,082 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-16 10:06:25,083 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 319 states and 474 transitions. [2021-12-16 10:06:25,084 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 302 [2021-12-16 10:06:25,084 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:06:25,084 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:06:25,087 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:06:25,087 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] [2021-12-16 10:06:25,087 INFO L791 eck$LassoCheckResult]: Stem: 2332#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(54, 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; 2304#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; 2199#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 2200#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 2119#L203 assume !(-2 != ~active_side_History_0~0); 2120#L206 assume !(0 != ~manual_selection_History_0~0); 2139#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 2318#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 2266#L215 assume !(-2 != ~active_side_History_1~0); 2267#L218 assume !(0 != ~manual_selection_History_1~0); 2305#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 2323#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 2231#L227 assume !(-2 != ~active_side_History_2~0); 2232#L230 assume !(0 != ~manual_selection_History_2~0);init_#res#1 := 1; 2183#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; 2184#L58 assume !(0 == assume_abort_if_not_~cond#1); 2269#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; 2169#L574-2 [2021-12-16 10:06:25,088 INFO L793 eck$LassoCheckResult]: Loop: 2169#L574-2 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; 2170#L170 assume { :end_inline_write_manual_selection_history } true; 2299#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; 2300#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; 2315#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; 2316#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; 2275#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; 2276#L80 assume { :end_inline_write_side1_failed_history } true; 2262#L277 assume 0 != ~side1Failed~0 % 256; 2263#L278 assume !(~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite8#1 := ~s1s1_new~0; 2272#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; 2164#L279 assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite9#1 := ~s1s2_new~0; 2132#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; 2133#L280 assume !(~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite10#1 := ~s1p_new~0; 2242#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; 2243#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; 2194#L110 assume { :end_inline_write_side2_failed_history } true; 2134#L334 assume 0 != ~side2Failed~0 % 256; 2114#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite16#1 := ~s2s1_new~0; 2115#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; 2131#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite17#1 := ~s2s2_new~0; 2214#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; 2322#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite18#1 := ~s2p_new~0; 2255#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; 2256#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; 2124#L148 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 2125#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; 2286#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := 1; 2090#L400-1 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; 2173#L140 assume { :end_inline_write_active_side_history } true; 2174#L410 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; 2236#L439 assume !(0 == ~side1Failed~0 % 256); 2297#L442 assume !(0 == ~side2Failed~0 % 256);check_~tmp~3#1 := 0; 2298#L442-2 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; 2285#L58-2 assume !(0 == assume_abort_if_not_~cond#1); 2104#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; 2105#L178 assume 0 == read_manual_selection_history_~index#1 % 256;read_manual_selection_history_#res#1 := ~manual_selection_History_0~0; 2106#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; 2107#L449 assume !(0 == check_~tmp___0~0#1); 2097#L449-1 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; 2099#L88-2 assume 0 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_0~0; 2100#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; 2314#L479 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; 2175#L118-2 assume 0 == read_side2_failed_history_~index#1 % 256;read_side2_failed_history_#res#1 := ~side2Failed_History_0~0; 2176#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; 2295#L481 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; 2296#L148-1 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 2302#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; 2326#L483 assume !(2 == check_~tmp___5~0#1);check_#res#1 := 0; 2088#L529 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; 2224#L608-44 assume !(0 == assert_~arg#1 % 256); 2281#L603-22 assume { :end_inline_assert } true; 2169#L574-2 [2021-12-16 10:06:25,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:06:25,089 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 3 times [2021-12-16 10:06:25,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:06:25,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822741499] [2021-12-16 10:06:25,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:06:25,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:06:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:06:25,111 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:06:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:06:25,132 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:06:25,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:06:25,134 INFO L85 PathProgramCache]: Analyzing trace with hash 123078189, now seen corresponding path program 1 times [2021-12-16 10:06:25,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:06:25,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220395975] [2021-12-16 10:06:25,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:06:25,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:06:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:06:25,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:06:25,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 10:06:25,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220395975] [2021-12-16 10:06:25,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220395975] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 10:06:25,202 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 10:06:25,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 10:06:25,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792025466] [2021-12-16 10:06:25,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 10:06:25,205 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-16 10:06:25,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 10:06:25,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 10:06:25,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 10:06:25,207 INFO L87 Difference]: Start difference. First operand 319 states and 474 transitions. cyclomatic complexity: 156 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) [2021-12-16 10:06:25,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 10:06:25,222 INFO L93 Difference]: Finished difference Result 463 states and 681 transitions. [2021-12-16 10:06:25,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 10:06:25,223 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 463 states and 681 transitions. [2021-12-16 10:06:25,229 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 446 [2021-12-16 10:06:25,231 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 463 states to 463 states and 681 transitions. [2021-12-16 10:06:25,231 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 463 [2021-12-16 10:06:25,231 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 463 [2021-12-16 10:06:25,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 463 states and 681 transitions. [2021-12-16 10:06:25,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:06:25,232 INFO L681 BuchiCegarLoop]: Abstraction has 463 states and 681 transitions. [2021-12-16 10:06:25,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states and 681 transitions. [2021-12-16 10:06:25,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 316. [2021-12-16 10:06:25,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 316 states have (on average 1.481012658227848) internal successors, (468), 315 states have internal predecessors, (468), 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) [2021-12-16 10:06:25,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 468 transitions. [2021-12-16 10:06:25,238 INFO L704 BuchiCegarLoop]: Abstraction has 316 states and 468 transitions. [2021-12-16 10:06:25,238 INFO L587 BuchiCegarLoop]: Abstraction has 316 states and 468 transitions. [2021-12-16 10:06:25,238 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-16 10:06:25,238 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 316 states and 468 transitions. [2021-12-16 10:06:25,239 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 299 [2021-12-16 10:06:25,239 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:06:25,240 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:06:25,240 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:06:25,240 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] [2021-12-16 10:06:25,240 INFO L791 eck$LassoCheckResult]: Stem: 3120#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(54, 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; 3090#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; 2987#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 2988#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 2907#L203 assume !(-2 != ~active_side_History_0~0); 2908#L206 assume !(0 != ~manual_selection_History_0~0); 2927#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 3105#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 3052#L215 assume !(-2 != ~active_side_History_1~0); 3053#L218 assume !(0 != ~manual_selection_History_1~0); 3091#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 3111#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 3017#L227 assume !(-2 != ~active_side_History_2~0); 3018#L230 assume !(0 != ~manual_selection_History_2~0);init_#res#1 := 1; 2971#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; 2972#L58 assume !(0 == assume_abort_if_not_~cond#1); 3055#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; 2956#L574-2 [2021-12-16 10:06:25,241 INFO L793 eck$LassoCheckResult]: Loop: 2956#L574-2 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; 2957#L170 assume { :end_inline_write_manual_selection_history } true; 3085#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; 3086#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; 3102#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; 3103#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; 3061#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; 3062#L80 assume { :end_inline_write_side1_failed_history } true; 3048#L277 assume 0 != ~side1Failed~0 % 256; 3049#L278 assume !(~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite8#1 := ~s1s1_new~0; 3058#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; 2952#L279 assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite9#1 := ~s1s2_new~0; 2920#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; 2921#L280 assume !(~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite10#1 := ~s1p_new~0; 3028#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; 3029#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; 2982#L110 assume { :end_inline_write_side2_failed_history } true; 2922#L334 assume 0 != ~side2Failed~0 % 256; 2902#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite16#1 := ~s2s1_new~0; 2903#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; 2919#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite17#1 := ~s2s2_new~0; 3002#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; 3109#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite18#1 := ~s2p_new~0; 3110#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; 3148#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; 3140#L148 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 3138#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; 3133#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := 1; 3128#L400-1 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; 3126#L140 assume { :end_inline_write_active_side_history } true; 3124#L410 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; 3122#L439 assume !(0 == ~side1Failed~0 % 256); 3083#L442 assume !(0 == ~side2Failed~0 % 256);check_~tmp~3#1 := 0; 3084#L442-2 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; 3071#L58-2 assume !(0 == assume_abort_if_not_~cond#1); 2892#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; 2893#L178 assume !(0 == read_manual_selection_history_~index#1 % 256); 2911#L181 assume 1 == read_manual_selection_history_~index#1 % 256;read_manual_selection_history_#res#1 := ~manual_selection_History_1~0; 2894#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; 2895#L449 assume !(0 == check_~tmp___0~0#1); 2885#L449-1 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; 2887#L88-2 assume 0 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_0~0; 2888#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; 3101#L479 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; 2963#L118-2 assume 0 == read_side2_failed_history_~index#1 % 256;read_side2_failed_history_#res#1 := ~side2Failed_History_0~0; 2964#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; 3081#L481 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; 3082#L148-1 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 3088#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; 3114#L483 assume !(2 == check_~tmp___5~0#1);check_#res#1 := 0; 2876#L529 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; 3010#L608-44 assume !(0 == assert_~arg#1 % 256); 3067#L603-22 assume { :end_inline_assert } true; 2956#L574-2 [2021-12-16 10:06:25,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:06:25,241 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 4 times [2021-12-16 10:06:25,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:06:25,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764401436] [2021-12-16 10:06:25,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:06:25,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:06:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:06:25,249 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:06:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:06:25,269 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:06:25,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:06:25,274 INFO L85 PathProgramCache]: Analyzing trace with hash 936153503, now seen corresponding path program 1 times [2021-12-16 10:06:25,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:06:25,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353719952] [2021-12-16 10:06:25,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:06:25,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:06:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:06:25,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:06:25,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 10:06:25,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353719952] [2021-12-16 10:06:25,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353719952] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 10:06:25,331 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 10:06:25,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 10:06:25,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888410892] [2021-12-16 10:06:25,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 10:06:25,332 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-16 10:06:25,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 10:06:25,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 10:06:25,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 10:06:25,333 INFO L87 Difference]: Start difference. First operand 316 states and 468 transitions. cyclomatic complexity: 153 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) [2021-12-16 10:06:25,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 10:06:25,386 INFO L93 Difference]: Finished difference Result 471 states and 686 transitions. [2021-12-16 10:06:25,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 10:06:25,388 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 471 states and 686 transitions. [2021-12-16 10:06:25,391 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 454 [2021-12-16 10:06:25,393 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 471 states to 471 states and 686 transitions. [2021-12-16 10:06:25,393 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 471 [2021-12-16 10:06:25,393 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 471 [2021-12-16 10:06:25,393 INFO L73 IsDeterministic]: Start isDeterministic. Operand 471 states and 686 transitions. [2021-12-16 10:06:25,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:06:25,394 INFO L681 BuchiCegarLoop]: Abstraction has 471 states and 686 transitions. [2021-12-16 10:06:25,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states and 686 transitions. [2021-12-16 10:06:25,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 304. [2021-12-16 10:06:25,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 304 states have (on average 1.4605263157894737) internal successors, (444), 303 states have internal predecessors, (444), 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) [2021-12-16 10:06:25,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 444 transitions. [2021-12-16 10:06:25,399 INFO L704 BuchiCegarLoop]: Abstraction has 304 states and 444 transitions. [2021-12-16 10:06:25,400 INFO L587 BuchiCegarLoop]: Abstraction has 304 states and 444 transitions. [2021-12-16 10:06:25,400 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-16 10:06:25,400 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 304 states and 444 transitions. [2021-12-16 10:06:25,401 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 287 [2021-12-16 10:06:25,401 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:06:25,401 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:06:25,402 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:06:25,402 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] [2021-12-16 10:06:25,402 INFO L791 eck$LassoCheckResult]: Stem: 3900#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(54, 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; 3873#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; 3775#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 3776#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 3697#L203 assume !(-2 != ~active_side_History_0~0); 3698#L206 assume !(0 != ~manual_selection_History_0~0); 3717#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 3888#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 3834#L215 assume !(-2 != ~active_side_History_1~0); 3835#L218 assume !(0 != ~manual_selection_History_1~0); 3874#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 3892#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 3803#L227 assume !(-2 != ~active_side_History_2~0); 3804#L230 assume !(0 != ~manual_selection_History_2~0);init_#res#1 := 1; 3759#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; 3760#L58 assume !(0 == assume_abort_if_not_~cond#1); 3837#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; 3744#L574-2 [2021-12-16 10:06:25,403 INFO L793 eck$LassoCheckResult]: Loop: 3744#L574-2 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; 3745#L170 assume { :end_inline_write_manual_selection_history } true; 3868#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; 3869#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; 3885#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; 3886#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; 3843#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; 3844#L80 assume { :end_inline_write_side1_failed_history } true; 3830#L277 assume 0 != ~side1Failed~0 % 256; 3831#L278 assume !(~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite8#1 := ~s1s1_new~0; 3840#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; 3740#L279 assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite9#1 := ~s1s2_new~0; 3710#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; 3711#L280 assume !(~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite10#1 := ~s1p_new~0; 3815#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; 3816#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; 3956#L110 assume { :end_inline_write_side2_failed_history } true; 3953#L334 assume 0 != ~side2Failed~0 % 256; 3951#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite16#1 := ~s2s1_new~0; 3949#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; 3947#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite17#1 := ~s2s2_new~0; 3945#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; 3944#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite18#1 := ~s2p_new~0; 3943#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; 3937#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; 3932#L148 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 3931#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; 3915#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := 1; 3910#L400-1 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; 3907#L140 assume { :end_inline_write_active_side_history } true; 3903#L410 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; 3902#L439 assume !(0 == ~side1Failed~0 % 256); 3866#L442 assume !(0 == ~side2Failed~0 % 256);check_~tmp~3#1 := 0; 3867#L442-2 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; 3853#L58-2 assume !(0 == assume_abort_if_not_~cond#1); 3682#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; 3683#L178 assume !(0 == read_manual_selection_history_~index#1 % 256); 3701#L181 assume 1 == read_manual_selection_history_~index#1 % 256;read_manual_selection_history_#res#1 := ~manual_selection_History_1~0; 3684#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; 3685#L449 assume !(0 == check_~tmp___0~0#1); 3676#L449-1 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; 3678#L88-2 assume !(0 == read_side1_failed_history_~index#1 % 256); 3679#L91-2 assume 1 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_1~0; 3769#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; 3884#L479 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; 3751#L118-2 assume 0 == read_side2_failed_history_~index#1 % 256;read_side2_failed_history_#res#1 := ~side2Failed_History_0~0; 3752#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; 3864#L481 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; 3865#L148-1 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 3871#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; 3895#L483 assume !(2 == check_~tmp___5~0#1);check_#res#1 := 0; 3667#L529 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; 3798#L608-44 assume !(0 == assert_~arg#1 % 256); 3848#L603-22 assume { :end_inline_assert } true; 3744#L574-2 [2021-12-16 10:06:25,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:06:25,404 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 5 times [2021-12-16 10:06:25,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:06:25,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973676263] [2021-12-16 10:06:25,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:06:25,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:06:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:06:25,411 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:06:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:06:25,421 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:06:25,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:06:25,422 INFO L85 PathProgramCache]: Analyzing trace with hash 673130205, now seen corresponding path program 1 times [2021-12-16 10:06:25,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:06:25,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813659974] [2021-12-16 10:06:25,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:06:25,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:06:25,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:06:25,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:06:25,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 10:06:25,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813659974] [2021-12-16 10:06:25,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813659974] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 10:06:25,466 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 10:06:25,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 10:06:25,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378336799] [2021-12-16 10:06:25,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 10:06:25,466 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-16 10:06:25,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 10:06:25,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 10:06:25,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 10:06:25,467 INFO L87 Difference]: Start difference. First operand 304 states and 444 transitions. cyclomatic complexity: 141 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) [2021-12-16 10:06:25,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 10:06:25,501 INFO L93 Difference]: Finished difference Result 489 states and 703 transitions. [2021-12-16 10:06:25,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 10:06:25,503 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 489 states and 703 transitions. [2021-12-16 10:06:25,505 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 472 [2021-12-16 10:06:25,507 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 489 states to 489 states and 703 transitions. [2021-12-16 10:06:25,507 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 489 [2021-12-16 10:06:25,508 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 489 [2021-12-16 10:06:25,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 489 states and 703 transitions. [2021-12-16 10:06:25,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:06:25,511 INFO L681 BuchiCegarLoop]: Abstraction has 489 states and 703 transitions. [2021-12-16 10:06:25,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states and 703 transitions. [2021-12-16 10:06:25,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 292. [2021-12-16 10:06:25,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 292 states have (on average 1.4383561643835616) internal successors, (420), 291 states have internal predecessors, (420), 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) [2021-12-16 10:06:25,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 420 transitions. [2021-12-16 10:06:25,518 INFO L704 BuchiCegarLoop]: Abstraction has 292 states and 420 transitions. [2021-12-16 10:06:25,518 INFO L587 BuchiCegarLoop]: Abstraction has 292 states and 420 transitions. [2021-12-16 10:06:25,518 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-16 10:06:25,518 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 292 states and 420 transitions. [2021-12-16 10:06:25,519 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 275 [2021-12-16 10:06:25,519 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:06:25,519 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:06:25,520 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:06:25,520 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] [2021-12-16 10:06:25,520 INFO L791 eck$LassoCheckResult]: Stem: 4686#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(54, 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; 4661#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; 4571#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 4572#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 4493#L203 assume !(-2 != ~active_side_History_0~0); 4494#L206 assume !(0 != ~manual_selection_History_0~0); 4514#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 4675#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 4622#L215 assume !(-2 != ~active_side_History_1~0); 4623#L218 assume !(0 != ~manual_selection_History_1~0); 4662#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 4679#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 4593#L227 assume !(-2 != ~active_side_History_2~0); 4594#L230 assume !(0 != ~manual_selection_History_2~0);init_#res#1 := 1; 4557#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; 4558#L58 assume !(0 == assume_abort_if_not_~cond#1); 4627#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; 4543#L574-2 [2021-12-16 10:06:25,521 INFO L793 eck$LassoCheckResult]: Loop: 4543#L574-2 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; 4544#L170 assume { :end_inline_write_manual_selection_history } true; 4655#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; 4656#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; 4671#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; 4672#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; 4631#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; 4632#L80 assume { :end_inline_write_side1_failed_history } true; 4618#L277 assume 0 != ~side1Failed~0 % 256; 4619#L278 assume !(~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite8#1 := ~s1s1_new~0; 4629#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; 4540#L279 assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite9#1 := ~s1s2_new~0; 4506#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; 4507#L280 assume !(~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite10#1 := ~s1p_new~0; 4603#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; 4604#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; 4735#L110 assume { :end_inline_write_side2_failed_history } true; 4734#L334 assume 0 != ~side2Failed~0 % 256; 4489#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite16#1 := ~s2s1_new~0; 4490#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; 4505#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite17#1 := ~s2s2_new~0; 4581#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; 4678#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite18#1 := ~s2p_new~0; 4614#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; 4615#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; 4498#L148 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 4499#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; 4642#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := 1; 4468#L400-1 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; 4541#L140 assume { :end_inline_write_active_side_history } true; 4542#L410 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; 4599#L439 assume !(0 == ~side1Failed~0 % 256); 4653#L442 assume !(0 == ~side2Failed~0 % 256);check_~tmp~3#1 := 0; 4654#L442-2 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; 4641#L58-2 assume !(0 == assume_abort_if_not_~cond#1); 4481#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; 4482#L178 assume !(0 == read_manual_selection_history_~index#1 % 256); 4497#L181 assume 1 == read_manual_selection_history_~index#1 % 256;read_manual_selection_history_#res#1 := ~manual_selection_History_1~0; 4483#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; 4484#L449 assume !(0 == check_~tmp___0~0#1); 4475#L449-1 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; 4477#L88-2 assume !(0 == read_side1_failed_history_~index#1 % 256); 4478#L91-2 assume 1 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_1~0; 4564#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; 4670#L479 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; 4548#L118-2 assume !(0 == read_side2_failed_history_~index#1 % 256); 4549#L121-2 assume 1 == read_side2_failed_history_~index#1 % 256;read_side2_failed_history_#res#1 := ~side2Failed_History_1~0; 4637#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; 4651#L481 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; 4652#L148-1 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 4659#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; 4682#L483 assume !(2 == check_~tmp___5~0#1);check_#res#1 := 0; 4466#L529 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; 4588#L608-44 assume !(0 == assert_~arg#1 % 256); 4636#L603-22 assume { :end_inline_assert } true; 4543#L574-2 [2021-12-16 10:06:25,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:06:25,522 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 6 times [2021-12-16 10:06:25,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:06:25,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825449867] [2021-12-16 10:06:25,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:06:25,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:06:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:06:25,537 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:06:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:06:25,551 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:06:25,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:06:25,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1493845486, now seen corresponding path program 1 times [2021-12-16 10:06:25,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:06:25,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203284381] [2021-12-16 10:06:25,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:06:25,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:06:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:06:25,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:06:25,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 10:06:25,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203284381] [2021-12-16 10:06:25,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203284381] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 10:06:25,642 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 10:06:25,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 10:06:25,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755076381] [2021-12-16 10:06:25,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 10:06:25,643 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-16 10:06:25,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 10:06:25,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 10:06:25,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 10:06:25,644 INFO L87 Difference]: Start difference. First operand 292 states and 420 transitions. cyclomatic complexity: 129 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) [2021-12-16 10:06:25,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 10:06:25,683 INFO L93 Difference]: Finished difference Result 278 states and 389 transitions. [2021-12-16 10:06:25,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 10:06:25,685 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 278 states and 389 transitions. [2021-12-16 10:06:25,686 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 243 [2021-12-16 10:06:25,687 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 278 states to 260 states and 364 transitions. [2021-12-16 10:06:25,687 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 260 [2021-12-16 10:06:25,688 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 260 [2021-12-16 10:06:25,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 260 states and 364 transitions. [2021-12-16 10:06:25,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:06:25,688 INFO L681 BuchiCegarLoop]: Abstraction has 260 states and 364 transitions. [2021-12-16 10:06:25,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states and 364 transitions. [2021-12-16 10:06:25,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 260. [2021-12-16 10:06:25,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 260 states have (on average 1.4) internal successors, (364), 259 states have internal predecessors, (364), 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) [2021-12-16 10:06:25,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 364 transitions. [2021-12-16 10:06:25,692 INFO L704 BuchiCegarLoop]: Abstraction has 260 states and 364 transitions. [2021-12-16 10:06:25,692 INFO L587 BuchiCegarLoop]: Abstraction has 260 states and 364 transitions. [2021-12-16 10:06:25,692 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-16 10:06:25,692 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 260 states and 364 transitions. [2021-12-16 10:06:25,693 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 243 [2021-12-16 10:06:25,693 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:06:25,693 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:06:25,694 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:06:25,694 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] [2021-12-16 10:06:25,694 INFO L791 eck$LassoCheckResult]: Stem: 5241#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(54, 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; 5215#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; 5134#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 5135#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 5068#L203 assume !(-2 != ~active_side_History_0~0); 5069#L206 assume !(0 != ~manual_selection_History_0~0); 5086#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 5229#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 5182#L215 assume !(-2 != ~active_side_History_1~0); 5183#L218 assume !(0 != ~manual_selection_History_1~0); 5216#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 5234#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 5153#L227 assume !(-2 != ~active_side_History_2~0); 5154#L230 assume !(0 != ~manual_selection_History_2~0);init_#res#1 := 1; 5119#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; 5120#L58 assume !(0 == assume_abort_if_not_~cond#1); 5184#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; 5108#L574-2 [2021-12-16 10:06:25,695 INFO L793 eck$LassoCheckResult]: Loop: 5108#L574-2 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; 5109#L170 assume { :end_inline_write_manual_selection_history } true; 5210#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; 5211#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; 5225#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; 5226#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; 5189#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; 5190#L80 assume { :end_inline_write_side1_failed_history } true; 5178#L277 assume 0 != ~side1Failed~0 % 256; 5179#L278 assume !(~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite8#1 := ~s1s1_new~0; 5186#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; 5105#L279 assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite9#1 := ~s1s2_new~0; 5079#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; 5080#L280 assume !(~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite10#1 := ~s1p_new~0; 5163#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; 5164#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; 5131#L110 assume { :end_inline_write_side2_failed_history } true; 5081#L334 assume 0 != ~side2Failed~0 % 256; 5064#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite16#1 := ~s2s1_new~0; 5065#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; 5078#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite17#1 := ~s2s2_new~0; 5143#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; 5232#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite18#1 := ~s2p_new~0; 5233#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; 5297#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; 5294#L148 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 5293#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; 5292#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := 1; 5288#L400-1 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; 5287#L140 assume { :end_inline_write_active_side_history } true; 5286#L410 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; 5220#L439 assume !(0 == ~side1Failed~0 % 256); 5208#L442 assume !(0 == ~side2Failed~0 % 256);check_~tmp~3#1 := 0; 5209#L442-2 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; 5198#L58-2 assume !(0 == assume_abort_if_not_~cond#1); 5056#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; 5057#L178 assume !(0 == read_manual_selection_history_~index#1 % 256); 5072#L181 assume 1 == read_manual_selection_history_~index#1 % 256;read_manual_selection_history_#res#1 := ~manual_selection_History_1~0; 5058#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; 5059#L449 assume !(0 == check_~tmp___0~0#1); 5050#L449-1 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; 5052#L88-2 assume !(0 == read_side1_failed_history_~index#1 % 256); 5053#L91-2 assume 1 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_1~0; 5130#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; 5224#L479 assume !(0 != check_~tmp___7~0#1 % 256); 5127#L479-1 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; 5128#L88-3 assume !(0 == read_side1_failed_history_~index#1 % 256); 5177#L91-3 assume 1 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_1~0; 5155#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; 5156#L495 assume !(0 == check_~tmp___11~0#1 % 256); 5160#L495-1 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; 5161#L148-3 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 5118#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; 5217#L511 assume !(check_~tmp___20~0#1 > -2); 5124#L511-1 check_#res#1 := 1; 5125#L529 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; 5149#L608-44 assume !(0 == assert_~arg#1 % 256); 5193#L603-22 assume { :end_inline_assert } true; 5108#L574-2 [2021-12-16 10:06:25,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:06:25,695 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 7 times [2021-12-16 10:06:25,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:06:25,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022789905] [2021-12-16 10:06:25,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:06:25,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:06:25,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:06:25,706 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:06:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:06:25,717 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:06:25,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:06:25,718 INFO L85 PathProgramCache]: Analyzing trace with hash -155674974, now seen corresponding path program 1 times [2021-12-16 10:06:25,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:06:25,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750266016] [2021-12-16 10:06:25,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:06:25,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:06:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:06:25,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:06:25,758 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 10:06:25,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750266016] [2021-12-16 10:06:25,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750266016] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 10:06:25,758 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 10:06:25,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 10:06:25,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573444469] [2021-12-16 10:06:25,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 10:06:25,760 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-16 10:06:25,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 10:06:25,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 10:06:25,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 10:06:25,761 INFO L87 Difference]: Start difference. First operand 260 states and 364 transitions. cyclomatic complexity: 105 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) [2021-12-16 10:06:25,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 10:06:25,899 INFO L93 Difference]: Finished difference Result 1079 states and 1505 transitions. [2021-12-16 10:06:25,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-16 10:06:25,901 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1079 states and 1505 transitions. [2021-12-16 10:06:25,906 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1062 [2021-12-16 10:06:25,910 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1079 states to 1079 states and 1505 transitions. [2021-12-16 10:06:25,911 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1079 [2021-12-16 10:06:25,912 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1079 [2021-12-16 10:06:25,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1079 states and 1505 transitions. [2021-12-16 10:06:25,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:06:25,913 INFO L681 BuchiCegarLoop]: Abstraction has 1079 states and 1505 transitions. [2021-12-16 10:06:25,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1079 states and 1505 transitions. [2021-12-16 10:06:25,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1079 to 353. [2021-12-16 10:06:25,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 353 states have (on average 1.3796033994334278) internal successors, (487), 352 states have internal predecessors, (487), 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) [2021-12-16 10:06:25,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 487 transitions. [2021-12-16 10:06:25,920 INFO L704 BuchiCegarLoop]: Abstraction has 353 states and 487 transitions. [2021-12-16 10:06:25,920 INFO L587 BuchiCegarLoop]: Abstraction has 353 states and 487 transitions. [2021-12-16 10:06:25,920 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-16 10:06:25,920 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 353 states and 487 transitions. [2021-12-16 10:06:25,922 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 336 [2021-12-16 10:06:25,922 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:06:25,922 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:06:25,922 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:06:25,922 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] [2021-12-16 10:06:25,923 INFO L791 eck$LassoCheckResult]: Stem: 6636#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(54, 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; 6600#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; 6509#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 6510#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 6440#L203 assume !(-2 != ~active_side_History_0~0); 6441#L206 assume !(0 != ~manual_selection_History_0~0); 6459#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 6619#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 6561#L215 assume !(-2 != ~active_side_History_1~0); 6562#L218 assume !(0 != ~manual_selection_History_1~0); 6601#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 6623#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 6530#L227 assume !(-2 != ~active_side_History_2~0); 6531#L230 assume !(0 != ~manual_selection_History_2~0);init_#res#1 := 1; 6492#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; 6493#L58 assume !(0 == assume_abort_if_not_~cond#1); 6563#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; 6486#L574-2 [2021-12-16 10:06:25,923 INFO L793 eck$LassoCheckResult]: Loop: 6486#L574-2 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; 6487#L170 assume { :end_inline_write_manual_selection_history } true; 6595#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; 6596#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; 6614#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; 6615#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; 6568#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; 6569#L80 assume { :end_inline_write_side1_failed_history } true; 6557#L277 assume 0 != ~side1Failed~0 % 256; 6558#L278 assume !(~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite8#1 := ~s1s1_new~0; 6567#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; 6480#L279 assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite9#1 := ~s1s2_new~0; 6452#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; 6453#L280 assume !(~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite10#1 := ~s1p_new~0; 6541#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; 6542#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; 6754#L110 assume { :end_inline_write_side2_failed_history } true; 6751#L334 assume 0 != ~side2Failed~0 % 256; 6749#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite16#1 := ~s2s1_new~0; 6746#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; 6744#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite17#1 := ~s2s2_new~0; 6743#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; 6740#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite18#1 := ~s2p_new~0; 6738#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; 6737#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; 6734#L148 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 6733#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; 6719#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := 1; 6713#L400-1 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; 6711#L140 assume { :end_inline_write_active_side_history } true; 6647#L410 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; 6648#L439 assume !(0 == ~side1Failed~0 % 256); 6593#L442 assume !(0 == ~side2Failed~0 % 256);check_~tmp~3#1 := 0; 6594#L442-2 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; 6579#L58-2 assume !(0 == assume_abort_if_not_~cond#1); 6580#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; 6444#L178 assume !(0 == read_manual_selection_history_~index#1 % 256); 6445#L181 assume 1 == read_manual_selection_history_~index#1 % 256;read_manual_selection_history_#res#1 := ~manual_selection_History_1~0; 6430#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; 6431#L449 assume !(0 == check_~tmp___0~0#1); 6683#L449-1 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; 6682#L88-2 assume !(0 == read_side1_failed_history_~index#1 % 256); 6681#L91-2 assume 1 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_1~0; 6680#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; 6611#L479 assume !(0 != check_~tmp___7~0#1 % 256); 6500#L479-1 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; 6501#L88-3 assume !(0 == read_side1_failed_history_~index#1 % 256); 6556#L91-3 assume 1 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_1~0; 6532#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; 6533#L495 assume !(0 == check_~tmp___11~0#1 % 256); 6538#L495-1 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; 6539#L148-3 assume !(0 == read_active_side_history_~index#1 % 256); 6545#L151-3 assume 1 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_1~0; 6491#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; 6602#L511 assume !(check_~tmp___20~0#1 > -2); 6497#L511-1 check_#res#1 := 1; 6498#L529 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; 6524#L608-44 assume !(0 == assert_~arg#1 % 256); 6572#L603-22 assume { :end_inline_assert } true; 6486#L574-2 [2021-12-16 10:06:25,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:06:25,924 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 8 times [2021-12-16 10:06:25,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:06:25,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449362756] [2021-12-16 10:06:25,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:06:25,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:06:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:06:25,939 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:06:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:06:25,952 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:06:25,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:06:25,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1854567356, now seen corresponding path program 1 times [2021-12-16 10:06:25,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:06:25,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499585900] [2021-12-16 10:06:25,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:06:25,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:06:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:06:25,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:06:25,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 10:06:25,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499585900] [2021-12-16 10:06:25,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499585900] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 10:06:25,998 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 10:06:25,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 10:06:25,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684212387] [2021-12-16 10:06:25,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 10:06:25,998 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-16 10:06:25,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 10:06:25,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 10:06:25,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 10:06:25,999 INFO L87 Difference]: Start difference. First operand 353 states and 487 transitions. cyclomatic complexity: 135 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) [2021-12-16 10:06:26,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 10:06:26,037 INFO L93 Difference]: Finished difference Result 437 states and 603 transitions. [2021-12-16 10:06:26,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 10:06:26,038 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 437 states and 603 transitions. [2021-12-16 10:06:26,040 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 420 [2021-12-16 10:06:26,042 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 437 states to 437 states and 603 transitions. [2021-12-16 10:06:26,042 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 437 [2021-12-16 10:06:26,042 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 437 [2021-12-16 10:06:26,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 437 states and 603 transitions. [2021-12-16 10:06:26,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:06:26,043 INFO L681 BuchiCegarLoop]: Abstraction has 437 states and 603 transitions. [2021-12-16 10:06:26,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states and 603 transitions. [2021-12-16 10:06:26,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 260. [2021-12-16 10:06:26,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 260 states have (on average 1.3923076923076922) internal successors, (362), 259 states have internal predecessors, (362), 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) [2021-12-16 10:06:26,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 362 transitions. [2021-12-16 10:06:26,047 INFO L704 BuchiCegarLoop]: Abstraction has 260 states and 362 transitions. [2021-12-16 10:06:26,047 INFO L587 BuchiCegarLoop]: Abstraction has 260 states and 362 transitions. [2021-12-16 10:06:26,047 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-12-16 10:06:26,047 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 260 states and 362 transitions. [2021-12-16 10:06:26,048 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 243 [2021-12-16 10:06:26,048 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:06:26,048 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:06:26,049 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:06:26,049 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] [2021-12-16 10:06:26,049 INFO L791 eck$LassoCheckResult]: Stem: 7406#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(54, 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; 7384#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; 7301#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 7302#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 7235#L203 assume !(-2 != ~active_side_History_0~0); 7236#L206 assume !(0 != ~manual_selection_History_0~0); 7253#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 7397#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 7349#L215 assume !(-2 != ~active_side_History_1~0); 7350#L218 assume !(0 != ~manual_selection_History_1~0); 7385#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 7401#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 7320#L227 assume !(-2 != ~active_side_History_2~0); 7321#L230 assume !(0 != ~manual_selection_History_2~0);init_#res#1 := 1; 7286#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; 7287#L58 assume !(0 == assume_abort_if_not_~cond#1); 7351#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; 7277#L574-2 [2021-12-16 10:06:26,049 INFO L793 eck$LassoCheckResult]: Loop: 7277#L574-2 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; 7278#L170 assume { :end_inline_write_manual_selection_history } true; 7378#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; 7379#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; 7393#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; 7394#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; 7356#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; 7357#L80 assume { :end_inline_write_side1_failed_history } true; 7345#L277 assume 0 != ~side1Failed~0 % 256; 7346#L278 assume !(~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite8#1 := ~s1s1_new~0; 7354#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; 7272#L279 assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite9#1 := ~s1s2_new~0; 7246#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; 7247#L280 assume !(~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite10#1 := ~s1p_new~0; 7330#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; 7331#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; 7299#L110 assume { :end_inline_write_side2_failed_history } true; 7248#L334 assume 0 != ~side2Failed~0 % 256; 7231#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite16#1 := ~s2s1_new~0; 7232#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; 7245#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite17#1 := ~s2s2_new~0; 7310#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; 7400#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite18#1 := ~s2p_new~0; 7341#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; 7342#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; 7240#L148 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 7241#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; 7366#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := 1; 7213#L400-1 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; 7280#L140 assume { :end_inline_write_active_side_history } true; 7281#L410 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; 7326#L439 assume !(0 == ~side1Failed~0 % 256); 7376#L442 assume !(0 == ~side2Failed~0 % 256);check_~tmp~3#1 := 0; 7377#L442-2 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; 7365#L58-2 assume !(0 == assume_abort_if_not_~cond#1); 7223#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; 7224#L178 assume !(0 == read_manual_selection_history_~index#1 % 256); 7239#L181 assume 1 == read_manual_selection_history_~index#1 % 256;read_manual_selection_history_#res#1 := ~manual_selection_History_1~0; 7225#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; 7226#L449 assume !(0 == check_~tmp___0~0#1); 7217#L449-1 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; 7219#L88-2 assume !(0 == read_side1_failed_history_~index#1 % 256); 7220#L91-2 assume 1 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_1~0; 7297#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; 7392#L479 assume !(0 != check_~tmp___7~0#1 % 256); 7294#L479-1 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; 7295#L88-3 assume !(0 == read_side1_failed_history_~index#1 % 256); 7344#L91-3 assume 1 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_1~0; 7322#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; 7323#L495 assume !(0 == check_~tmp___11~0#1 % 256); 7327#L495-1 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; 7328#L148-3 assume !(0 == read_active_side_history_~index#1 % 256); 7332#L151-3 assume !(1 == read_active_side_history_~index#1 % 256); 7284#L154-3 assume 2 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_2~0; 7285#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; 7386#L511 assume !(check_~tmp___20~0#1 > -2); 7291#L511-1 check_#res#1 := 1; 7292#L529 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; 7316#L608-44 assume !(0 == assert_~arg#1 % 256); 7360#L603-22 assume { :end_inline_assert } true; 7277#L574-2 [2021-12-16 10:06:26,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:06:26,050 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 9 times [2021-12-16 10:06:26,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:06:26,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259754206] [2021-12-16 10:06:26,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:06:26,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:06:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:06:26,056 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:06:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:06:26,062 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:06:26,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:06:26,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1456894759, now seen corresponding path program 1 times [2021-12-16 10:06:26,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:06:26,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298314163] [2021-12-16 10:06:26,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:06:26,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:06:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:06:26,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:06:26,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 10:06:26,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298314163] [2021-12-16 10:06:26,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298314163] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 10:06:26,121 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 10:06:26,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 10:06:26,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177003059] [2021-12-16 10:06:26,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 10:06:26,122 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-16 10:06:26,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 10:06:26,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 10:06:26,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 10:06:26,123 INFO L87 Difference]: Start difference. First operand 260 states and 362 transitions. cyclomatic complexity: 103 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) [2021-12-16 10:06:26,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 10:06:26,301 INFO L93 Difference]: Finished difference Result 704 states and 986 transitions. [2021-12-16 10:06:26,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-16 10:06:26,301 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 704 states and 986 transitions. [2021-12-16 10:06:26,304 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 680 [2021-12-16 10:06:26,307 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 704 states to 704 states and 986 transitions. [2021-12-16 10:06:26,307 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 704 [2021-12-16 10:06:26,308 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 704 [2021-12-16 10:06:26,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 704 states and 986 transitions. [2021-12-16 10:06:26,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:06:26,308 INFO L681 BuchiCegarLoop]: Abstraction has 704 states and 986 transitions. [2021-12-16 10:06:26,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states and 986 transitions. [2021-12-16 10:06:26,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 265. [2021-12-16 10:06:26,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 265 states have (on average 1.3849056603773584) internal successors, (367), 264 states have internal predecessors, (367), 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) [2021-12-16 10:06:26,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 367 transitions. [2021-12-16 10:06:26,313 INFO L704 BuchiCegarLoop]: Abstraction has 265 states and 367 transitions. [2021-12-16 10:06:26,313 INFO L587 BuchiCegarLoop]: Abstraction has 265 states and 367 transitions. [2021-12-16 10:06:26,313 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-12-16 10:06:26,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 265 states and 367 transitions. [2021-12-16 10:06:26,315 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 248 [2021-12-16 10:06:26,315 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:06:26,315 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:06:26,315 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:06:26,315 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] [2021-12-16 10:06:26,316 INFO L791 eck$LassoCheckResult]: Stem: 8406#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(54, 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; 8382#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; 8299#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 8300#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 8231#L203 assume !(-2 != ~active_side_History_0~0); 8232#L206 assume !(0 != ~manual_selection_History_0~0); 8249#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 8397#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 8348#L215 assume !(-2 != ~active_side_History_1~0); 8349#L218 assume !(0 != ~manual_selection_History_1~0); 8383#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 8401#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 8317#L227 assume !(-2 != ~active_side_History_2~0); 8318#L230 assume !(0 != ~manual_selection_History_2~0);init_#res#1 := 1; 8282#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; 8283#L58 assume !(0 == assume_abort_if_not_~cond#1); 8350#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; 8273#L574-2 [2021-12-16 10:06:26,316 INFO L793 eck$LassoCheckResult]: Loop: 8273#L574-2 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; 8274#L170 assume { :end_inline_write_manual_selection_history } true; 8377#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; 8378#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; 8391#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; 8392#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; 8355#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; 8356#L80 assume { :end_inline_write_side1_failed_history } true; 8344#L277 assume 0 != ~side1Failed~0 % 256; 8345#L278 assume !(~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite8#1 := ~s1s1_new~0; 8352#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; 8268#L279 assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite9#1 := ~s1s2_new~0; 8242#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; 8243#L280 assume !(~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite10#1 := ~s1p_new~0; 8328#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; 8329#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; 8451#L110 assume { :end_inline_write_side2_failed_history } true; 8449#L334 assume 0 != ~side2Failed~0 % 256; 8450#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite16#1 := ~s2s1_new~0; 8467#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; 8466#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite17#1 := ~s2s2_new~0; 8465#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; 8464#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite18#1 := ~s2p_new~0; 8463#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; 8462#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; 8459#L148 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 8458#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; 8457#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := 1; 8453#L400-1 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; 8452#L140 assume { :end_inline_write_active_side_history } true; 8323#L410 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; 8324#L439 assume !(0 == ~side1Failed~0 % 256); 8375#L442 assume !(0 == ~side2Failed~0 % 256);check_~tmp~3#1 := 0; 8376#L442-2 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; 8364#L58-2 assume !(0 == assume_abort_if_not_~cond#1); 8219#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; 8220#L178 assume !(0 == read_manual_selection_history_~index#1 % 256); 8235#L181 assume 1 == read_manual_selection_history_~index#1 % 256;read_manual_selection_history_#res#1 := ~manual_selection_History_1~0; 8221#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; 8222#L449 assume !(0 == check_~tmp___0~0#1); 8213#L449-1 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; 8215#L88-2 assume !(0 == read_side1_failed_history_~index#1 % 256); 8216#L91-2 assume 1 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_1~0; 8294#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; 8390#L479 assume !(0 != check_~tmp___7~0#1 % 256); 8291#L479-1 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; 8292#L88-3 assume !(0 == read_side1_failed_history_~index#1 % 256); 8342#L91-3 assume 1 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_1~0; 8343#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; 8370#L495 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; 8371#L118-4 assume !(0 == read_side2_failed_history_~index#1 % 256); 8386#L121-4 assume 1 == read_side2_failed_history_~index#1 % 256;read_side2_failed_history_#res#1 := ~side2Failed_History_1~0; 8396#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; 8405#L497 assume !(0 != check_~tmp___12~0#1 % 256); 8325#L495-1 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; 8326#L148-3 assume !(0 == read_active_side_history_~index#1 % 256); 8331#L151-3 assume !(1 == read_active_side_history_~index#1 % 256); 8280#L154-3 assume 2 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_2~0; 8281#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; 8384#L511 assume !(check_~tmp___20~0#1 > -2); 8287#L511-1 check_#res#1 := 1; 8288#L529 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; 8313#L608-44 assume !(0 == assert_~arg#1 % 256); 8359#L603-22 assume { :end_inline_assert } true; 8273#L574-2 [2021-12-16 10:06:26,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:06:26,316 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 10 times [2021-12-16 10:06:26,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:06:26,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011940517] [2021-12-16 10:06:26,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:06:26,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:06:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:06:26,322 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:06:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:06:26,329 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:06:26,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:06:26,329 INFO L85 PathProgramCache]: Analyzing trace with hash 2008343597, now seen corresponding path program 1 times [2021-12-16 10:06:26,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:06:26,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326288575] [2021-12-16 10:06:26,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:06:26,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:06:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:06:26,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:06:26,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 10:06:26,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326288575] [2021-12-16 10:06:26,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326288575] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 10:06:26,366 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 10:06:26,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 10:06:26,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014852017] [2021-12-16 10:06:26,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 10:06:26,366 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-16 10:06:26,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 10:06:26,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 10:06:26,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 10:06:26,367 INFO L87 Difference]: Start difference. First operand 265 states and 367 transitions. cyclomatic complexity: 103 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) [2021-12-16 10:06:26,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 10:06:26,380 INFO L93 Difference]: Finished difference Result 267 states and 368 transitions. [2021-12-16 10:06:26,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 10:06:26,381 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 267 states and 368 transitions. [2021-12-16 10:06:26,382 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 228 [2021-12-16 10:06:26,383 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 267 states to 245 states and 338 transitions. [2021-12-16 10:06:26,383 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 245 [2021-12-16 10:06:26,384 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 245 [2021-12-16 10:06:26,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 245 states and 338 transitions. [2021-12-16 10:06:26,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:06:26,384 INFO L681 BuchiCegarLoop]: Abstraction has 245 states and 338 transitions. [2021-12-16 10:06:26,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states and 338 transitions. [2021-12-16 10:06:26,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2021-12-16 10:06:26,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 245 states have (on average 1.379591836734694) internal successors, (338), 244 states have internal predecessors, (338), 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) [2021-12-16 10:06:26,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 338 transitions. [2021-12-16 10:06:26,387 INFO L704 BuchiCegarLoop]: Abstraction has 245 states and 338 transitions. [2021-12-16 10:06:26,387 INFO L587 BuchiCegarLoop]: Abstraction has 245 states and 338 transitions. [2021-12-16 10:06:26,387 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-12-16 10:06:26,387 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 245 states and 338 transitions. [2021-12-16 10:06:26,388 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 228 [2021-12-16 10:06:26,388 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:06:26,388 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:06:26,389 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:06:26,389 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] [2021-12-16 10:06:26,389 INFO L791 eck$LassoCheckResult]: Stem: 8943#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(54, 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; 8920#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; 8839#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 8840#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 8772#L203 assume !(-2 != ~active_side_History_0~0); 8773#L206 assume !(0 != ~manual_selection_History_0~0); 8790#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 8934#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 8887#L215 assume !(-2 != ~active_side_History_1~0); 8888#L218 assume !(0 != ~manual_selection_History_1~0); 8921#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 8938#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 8858#L227 assume !(-2 != ~active_side_History_2~0); 8859#L230 assume !(0 != ~manual_selection_History_2~0);init_#res#1 := 1; 8826#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; 8827#L58 assume !(0 == assume_abort_if_not_~cond#1); 8889#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; 8812#L574-2 [2021-12-16 10:06:26,390 INFO L793 eck$LassoCheckResult]: Loop: 8812#L574-2 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; 8813#L170 assume { :end_inline_write_manual_selection_history } true; 8915#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; 8916#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; 8930#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; 8931#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; 8894#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; 8895#L80 assume { :end_inline_write_side1_failed_history } true; 8883#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; 8885#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; 8764#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; 8765#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; 8798#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; 8799#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; 8939#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; 8935#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; 8936#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; 8988#L110 assume { :end_inline_write_side2_failed_history } true; 8987#L334 assume 0 != ~side2Failed~0 % 256; 8768#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite16#1 := ~s2s1_new~0; 8769#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; 8782#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite17#1 := ~s2s2_new~0; 8848#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; 8937#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite18#1 := ~s2p_new~0; 8879#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; 8880#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; 8777#L148 assume 0 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_0~0; 8778#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; 8904#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2#1;Pendulum_prism_task_each_pals_period_~active_side~0#1 := 1; 8752#L400-1 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; 8817#L140 assume { :end_inline_write_active_side_history } true; 8818#L410 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; 8864#L439 assume 0 == ~side1Failed~0 % 256;check_~tmp~3#1 := 1; 8914#L442-2 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; 8903#L58-2 assume !(0 == assume_abort_if_not_~cond#1); 8760#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; 8761#L178 assume !(0 == read_manual_selection_history_~index#1 % 256); 8776#L181 assume 1 == read_manual_selection_history_~index#1 % 256;read_manual_selection_history_#res#1 := ~manual_selection_History_1~0; 8762#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; 8763#L449 assume !(0 == check_~tmp___0~0#1); 8754#L449-1 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; 8756#L88-2 assume !(0 == read_side1_failed_history_~index#1 % 256); 8757#L91-2 assume 1 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_1~0; 8835#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; 8929#L479 assume !(0 != check_~tmp___7~0#1 % 256); 8832#L479-1 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; 8833#L88-3 assume !(0 == read_side1_failed_history_~index#1 % 256); 8882#L91-3 assume 1 == read_side1_failed_history_~index#1 % 256;read_side1_failed_history_#res#1 := ~side1Failed_History_1~0; 8862#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; 8863#L495 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; 8909#L118-4 assume !(0 == read_side2_failed_history_~index#1 % 256); 8924#L121-4 assume 1 == read_side2_failed_history_~index#1 % 256;read_side2_failed_history_#res#1 := ~side2Failed_History_1~0; 8933#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; 8942#L497 assume !(0 != check_~tmp___12~0#1 % 256); 8865#L495-1 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; 8866#L148-3 assume !(0 == read_active_side_history_~index#1 % 256); 8871#L151-3 assume !(1 == read_active_side_history_~index#1 % 256); 8821#L154-3 assume 2 == read_active_side_history_~index#1 % 256;read_active_side_history_#res#1 := ~active_side_History_2~0; 8822#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; 8922#L511 assume !(check_~tmp___20~0#1 > -2); 8828#L511-1 check_#res#1 := 1; 8829#L529 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; 8854#L608-44 assume !(0 == assert_~arg#1 % 256); 8898#L603-22 assume { :end_inline_assert } true; 8812#L574-2 [2021-12-16 10:06:26,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:06:26,391 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 11 times [2021-12-16 10:06:26,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:06:26,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51380029] [2021-12-16 10:06:26,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:06:26,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:06:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:06:26,397 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:06:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:06:26,404 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:06:26,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:06:26,404 INFO L85 PathProgramCache]: Analyzing trace with hash -615524836, now seen corresponding path program 1 times [2021-12-16 10:06:26,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:06:26,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802017536] [2021-12-16 10:06:26,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:06:26,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:06:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:06:26,427 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:06:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:06:26,453 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:06:26,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:06:26,455 INFO L85 PathProgramCache]: Analyzing trace with hash 2016485052, now seen corresponding path program 1 times [2021-12-16 10:06:26,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:06:26,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559595559] [2021-12-16 10:06:26,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:06:26,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:06:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:06:26,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:06:26,521 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 10:06:26,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559595559] [2021-12-16 10:06:26,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559595559] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 10:06:26,522 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 10:06:26,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 10:06:26,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278037860] [2021-12-16 10:06:26,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 10:06:29,499 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 10:06:29,500 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 10:06:29,500 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 10:06:29,500 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 10:06:29,500 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-16 10:06:29,500 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:06:29,500 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 10:06:29,500 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 10:06:29,500 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c_Iteration12_Loop [2021-12-16 10:06:29,500 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 10:06:29,500 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 10:06:29,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:29,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:30,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:30,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:30,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:30,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:30,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:30,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:30,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:30,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:30,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:30,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:30,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:30,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:30,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:30,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:30,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:30,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:30,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:30,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:30,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:30,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:30,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:30,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:30,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:30,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:30,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:30,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:06:30,831 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 13