./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX --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 01a21536345230b7194ff5017879c469eb8be909ba72352bb81feb2f101a934f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 08:31:56,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 08:31:56,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 08:31:56,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 08:31:56,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 08:31:56,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 08:31:56,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 08:31:56,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 08:31:56,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 08:31:56,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 08:31:56,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 08:31:56,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 08:31:56,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 08:31:56,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 08:31:56,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 08:31:56,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 08:31:56,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 08:31:56,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 08:31:56,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 08:31:56,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 08:31:56,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 08:31:56,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 08:31:56,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 08:31:56,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 08:31:56,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 08:31:56,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 08:31:56,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 08:31:56,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 08:31:56,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 08:31:56,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 08:31:56,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 08:31:56,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 08:31:56,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 08:31:56,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 08:31:56,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 08:31:56,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 08:31:56,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 08:31:56,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 08:31:56,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 08:31:56,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 08:31:56,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 08:31:56,435 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-09 08:31:56,469 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 08:31:56,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 08:31:56,473 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 08:31:56,473 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 08:31:56,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 08:31:56,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 08:31:56,476 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 08:31:56,476 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-09 08:31:56,476 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-09 08:31:56,476 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-09 08:31:56,478 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-09 08:31:56,478 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-09 08:31:56,478 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-09 08:31:56,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 08:31:56,479 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 08:31:56,479 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 08:31:56,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 08:31:56,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 08:31:56,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 08:31:56,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-09 08:31:56,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-09 08:31:56,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-09 08:31:56,482 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 08:31:56,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 08:31:56,487 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-09 08:31:56,487 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 08:31:56,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-09 08:31:56,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 08:31:56,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 08:31:56,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 08:31:56,488 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 08:31:56,489 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 08:31:56,490 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-09 08:31:56,490 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01a21536345230b7194ff5017879c469eb8be909ba72352bb81feb2f101a934f [2021-11-09 08:31:56,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 08:31:56,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 08:31:56,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 08:31:56,809 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 08:31:56,810 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 08:31:56,810 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.UNBOUNDED.pals.c [2021-11-09 08:31:56,898 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/data/cf4702a00/256ff2bb397c45cf965d29d705f749f2/FLAG089f23fd2 [2021-11-09 08:31:57,363 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 08:31:57,363 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.UNBOUNDED.pals.c [2021-11-09 08:31:57,392 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/data/cf4702a00/256ff2bb397c45cf965d29d705f749f2/FLAG089f23fd2 [2021-11-09 08:31:57,711 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/data/cf4702a00/256ff2bb397c45cf965d29d705f749f2 [2021-11-09 08:31:57,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 08:31:57,717 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 08:31:57,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 08:31:57,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 08:31:57,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 08:31:57,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:31:57" (1/1) ... [2021-11-09 08:31:57,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cc0034d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:31:57, skipping insertion in model container [2021-11-09 08:31:57,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:31:57" (1/1) ... [2021-11-09 08:31:57,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 08:31:57,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 08:31:58,033 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.UNBOUNDED.pals.c[14684,14697] [2021-11-09 08:31:58,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:31:58,044 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 08:31:58,115 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_2.ufo.UNBOUNDED.pals.c[14684,14697] [2021-11-09 08:31:58,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:31:58,133 INFO L208 MainTranslator]: Completed translation [2021-11-09 08:31:58,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:31:58 WrapperNode [2021-11-09 08:31:58,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 08:31:58,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 08:31:58,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 08:31:58,136 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 08:31:58,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:31:58" (1/1) ... [2021-11-09 08:31:58,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:31:58" (1/1) ... [2021-11-09 08:31:58,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 08:31:58,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 08:31:58,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 08:31:58,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 08:31:58,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:31:58" (1/1) ... [2021-11-09 08:31:58,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:31:58" (1/1) ... [2021-11-09 08:31:58,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:31:58" (1/1) ... [2021-11-09 08:31:58,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:31:58" (1/1) ... [2021-11-09 08:31:58,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:31:58" (1/1) ... [2021-11-09 08:31:58,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:31:58" (1/1) ... [2021-11-09 08:31:58,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:31:58" (1/1) ... [2021-11-09 08:31:58,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 08:31:58,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 08:31:58,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 08:31:58,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 08:31:58,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:31:58" (1/1) ... [2021-11-09 08:31:58,350 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:31:58,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:31:58,375 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:31:58,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-09 08:31:58,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 08:31:58,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 08:31:58,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 08:31:58,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 08:31:59,479 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 08:31:59,480 INFO L299 CfgBuilder]: Removed 123 assume(true) statements. [2021-11-09 08:31:59,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:31:59 BoogieIcfgContainer [2021-11-09 08:31:59,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 08:31:59,484 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-09 08:31:59,484 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-09 08:31:59,487 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-09 08:31:59,488 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 08:31:59,489 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 08:31:57" (1/3) ... [2021-11-09 08:31:59,490 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a9946ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 08:31:59, skipping insertion in model container [2021-11-09 08:31:59,490 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 08:31:59,490 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:31:58" (2/3) ... [2021-11-09 08:31:59,491 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a9946ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 08:31:59, skipping insertion in model container [2021-11-09 08:31:59,491 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 08:31:59,491 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:31:59" (3/3) ... [2021-11-09 08:31:59,493 INFO L389 chiAutomizerObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.4_2.ufo.UNBOUNDED.pals.c [2021-11-09 08:31:59,553 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-09 08:31:59,553 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-09 08:31:59,554 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-09 08:31:59,554 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-09 08:31:59,554 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-09 08:31:59,554 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-09 08:31:59,554 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-09 08:31:59,554 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-09 08:31:59,607 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 273 states, 272 states have (on average 1.6213235294117647) internal successors, (441), 272 states have internal predecessors, (441), 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) [2021-11-09 08:31:59,747 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 252 [2021-11-09 08:31:59,764 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:31:59,765 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:31:59,776 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-09 08:31:59,780 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] [2021-11-09 08:31:59,781 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-09 08:31:59,782 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 273 states, 272 states have (on average 1.6213235294117647) internal successors, (441), 272 states have internal predecessors, (441), 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) [2021-11-09 08:31:59,811 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 252 [2021-11-09 08:31:59,811 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:31:59,812 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:31:59,815 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-09 08:31:59,815 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] [2021-11-09 08:31:59,826 INFO L791 eck$LassoCheckResult]: Stem: 265#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(54);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 178#L-1true havoc main_#res;havoc main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~nondet59, main_#t~nondet60, main_#t~nondet61, main_#t~nondet62, main_#t~nondet63, main_#t~ret64, main_#t~ret65, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~side1Failed~0 := main_#t~nondet48;havoc main_#t~nondet48;~side2Failed~0 := main_#t~nondet49;havoc main_#t~nondet49;~side1_written~0 := main_#t~nondet50;havoc main_#t~nondet50;~side2_written~0 := main_#t~nondet51;havoc main_#t~nondet51;~side1Failed_History_0~0 := main_#t~nondet52;havoc main_#t~nondet52;~side1Failed_History_1~0 := main_#t~nondet53;havoc main_#t~nondet53;~side1Failed_History_2~0 := main_#t~nondet54;havoc main_#t~nondet54;~side2Failed_History_0~0 := main_#t~nondet55;havoc main_#t~nondet55;~side2Failed_History_1~0 := main_#t~nondet56;havoc main_#t~nondet56;~side2Failed_History_2~0 := main_#t~nondet57;havoc main_#t~nondet57;~active_side_History_0~0 := main_#t~nondet58;havoc main_#t~nondet58;~active_side_History_1~0 := main_#t~nondet59;havoc main_#t~nondet59;~active_side_History_2~0 := main_#t~nondet60;havoc main_#t~nondet60;~manual_selection_History_0~0 := main_#t~nondet61;havoc main_#t~nondet61;~manual_selection_History_1~0 := main_#t~nondet62;havoc main_#t~nondet62;~manual_selection_History_2~0 := main_#t~nondet63;havoc main_#t~nondet63;havoc init_#res; 71#L197true assume 0 != ~side1Failed_History_0~0 % 256;init_#res := 0; 63#L233true main_#t~ret64 := init_#res;main_~i2~0 := main_#t~ret64;havoc main_#t~ret64;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 177#L58true assume !(0 == assume_abort_if_not_~cond); 131#L57true ~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 := 0; 267#L611-22true [2021-11-09 08:31:59,833 INFO L793 eck$LassoCheckResult]: Loop: 267#L611-22true assume !false;havoc Console_task_each_pals_period_#t~nondet7, Console_task_each_pals_period_#t~ite8, Console_task_each_pals_period_#t~ite9, Console_task_each_pals_period_~manual_selection~0, Console_task_each_pals_period_~tmp~1;havoc Console_task_each_pals_period_~manual_selection~0;havoc Console_task_each_pals_period_~tmp~1;Console_task_each_pals_period_~tmp~1 := Console_task_each_pals_period_#t~nondet7;havoc Console_task_each_pals_period_#t~nondet7;Console_task_each_pals_period_~manual_selection~0 := Console_task_each_pals_period_~tmp~1;write_manual_selection_history_#in~val := Console_task_each_pals_period_~manual_selection~0;havoc write_manual_selection_history_~val;write_manual_selection_history_~val := write_manual_selection_history_#in~val;~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; 198#L170true assume Console_task_each_pals_period_~manual_selection~0 != ~nomsg~0 && ~cs1_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite8 := Console_task_each_pals_period_~manual_selection~0; 12#L258-1true ~cs1_new~0 := (if Console_task_each_pals_period_#t~ite8 % 256 <= 127 then Console_task_each_pals_period_#t~ite8 % 256 else Console_task_each_pals_period_#t~ite8 % 256 - 256);havoc Console_task_each_pals_period_#t~ite8; 202#L259true assume Console_task_each_pals_period_~manual_selection~0 != ~nomsg~0 && ~cs2_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite9 := Console_task_each_pals_period_~manual_selection~0; 255#L259-2true ~cs2_new~0 := (if Console_task_each_pals_period_#t~ite9 % 256 <= 127 then Console_task_each_pals_period_#t~ite9 % 256 else Console_task_each_pals_period_#t~ite9 % 256 - 256);havoc Console_task_each_pals_period_#t~ite9;Console_task_each_pals_period_~manual_selection~0 := 0; 136#L261true havoc Side1_activestandby_task_each_pals_period_#t~nondet10, Side1_activestandby_task_each_pals_period_#t~ite11, Side1_activestandby_task_each_pals_period_#t~ite12, Side1_activestandby_task_each_pals_period_#t~ite13, Side1_activestandby_task_each_pals_period_#t~ret14, Side1_activestandby_task_each_pals_period_#t~ite15, Side1_activestandby_task_each_pals_period_#t~ite16, Side1_activestandby_task_each_pals_period_#t~ite17, Side1_activestandby_task_each_pals_period_~side1~0, Side1_activestandby_task_each_pals_period_~side2~0, Side1_activestandby_task_each_pals_period_~manual_selection~1, Side1_activestandby_task_each_pals_period_~next_state~0;havoc Side1_activestandby_task_each_pals_period_~side1~0;havoc Side1_activestandby_task_each_pals_period_~side2~0;havoc Side1_activestandby_task_each_pals_period_~manual_selection~1;havoc Side1_activestandby_task_each_pals_period_~next_state~0;Side1_activestandby_task_each_pals_period_~side1~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1 := 0;~side1Failed~0 := Side1_activestandby_task_each_pals_period_#t~nondet10;havoc Side1_activestandby_task_each_pals_period_#t~nondet10;write_side1_failed_history_#in~val := ~side1Failed~0;havoc write_side1_failed_history_~val;write_side1_failed_history_~val := write_side1_failed_history_#in~val;~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; 144#L80true assume 0 != ~side1Failed~0 % 256; 134#L278true assume ~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0;Side1_activestandby_task_each_pals_period_#t~ite11 := ~nomsg~0; 139#L278-2true ~s1s1_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite11 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite11 % 256 else Side1_activestandby_task_each_pals_period_#t~ite11 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite11; 54#L279true assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite12 := ~s1s2_new~0; 34#L279-2true ~s1s2_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite12 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite12 % 256 else Side1_activestandby_task_each_pals_period_#t~ite12 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite12; 233#L280true assume ~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0;Side1_activestandby_task_each_pals_period_#t~ite13 := ~nomsg~0; 106#L280-2true ~s1p_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite13 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite13 % 256 else Side1_activestandby_task_each_pals_period_#t~ite13 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite13;~side1_written~0 := ~nomsg~0; 269#L318true havoc Side2_activestandby_task_each_pals_period_#t~nondet18, Side2_activestandby_task_each_pals_period_#t~ite19, Side2_activestandby_task_each_pals_period_#t~ite20, Side2_activestandby_task_each_pals_period_#t~ite21, Side2_activestandby_task_each_pals_period_#t~ret22, Side2_activestandby_task_each_pals_period_#t~ite23, Side2_activestandby_task_each_pals_period_#t~ite24, Side2_activestandby_task_each_pals_period_#t~ite25, Side2_activestandby_task_each_pals_period_~side1~1, Side2_activestandby_task_each_pals_period_~side2~1, Side2_activestandby_task_each_pals_period_~manual_selection~2, Side2_activestandby_task_each_pals_period_~next_state~1;havoc Side2_activestandby_task_each_pals_period_~side1~1;havoc Side2_activestandby_task_each_pals_period_~side2~1;havoc Side2_activestandby_task_each_pals_period_~manual_selection~2;havoc Side2_activestandby_task_each_pals_period_~next_state~1;Side2_activestandby_task_each_pals_period_~side1~1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~side2~1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~manual_selection~2 := 0;~side2Failed~0 := Side2_activestandby_task_each_pals_period_#t~nondet18;havoc Side2_activestandby_task_each_pals_period_#t~nondet18;write_side2_failed_history_#in~val := ~side2Failed~0;havoc write_side2_failed_history_~val;write_side2_failed_history_~val := write_side2_failed_history_#in~val;~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; 67#L110true assume 0 != ~side2Failed~0 % 256; 24#L335true assume ~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0;Side2_activestandby_task_each_pals_period_#t~ite19 := ~nomsg~0; 33#L335-2true ~s2s1_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite19 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite19 % 256 else Side2_activestandby_task_each_pals_period_#t~ite19 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite19; 77#L336true assume ~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0;Side2_activestandby_task_each_pals_period_#t~ite20 := ~nomsg~0; 216#L336-2true ~s2s2_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite20 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite20 % 256 else Side2_activestandby_task_each_pals_period_#t~ite20 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite20; 212#L337true assume ~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0;Side2_activestandby_task_each_pals_period_#t~ite21 := ~nomsg~0; 117#L337-2true ~s2p_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite21 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite21 % 256 else Side2_activestandby_task_each_pals_period_#t~ite21 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite21;~side2_written~0 := ~nomsg~0; 149#L375true havoc Pendulum_prism_task_each_pals_period_#t~ret26, Pendulum_prism_task_each_pals_period_~active_side~0, Pendulum_prism_task_each_pals_period_~tmp~2, Pendulum_prism_task_each_pals_period_~side1~2, Pendulum_prism_task_each_pals_period_~side2~2;havoc Pendulum_prism_task_each_pals_period_~active_side~0;havoc Pendulum_prism_task_each_pals_period_~tmp~2;havoc Pendulum_prism_task_each_pals_period_~side1~2;havoc Pendulum_prism_task_each_pals_period_~side2~2;read_active_side_history_#in~index := 0;havoc read_active_side_history_#res;havoc read_active_side_history_~index;read_active_side_history_~index := read_active_side_history_#in~index; 31#L148true assume 0 == read_active_side_history_~index % 256;read_active_side_history_#res := ~active_side_History_0~0; 152#L158true Pendulum_prism_task_each_pals_period_#t~ret26 := read_active_side_history_#res;Pendulum_prism_task_each_pals_period_~tmp~2 := Pendulum_prism_task_each_pals_period_#t~ret26;havoc Pendulum_prism_task_each_pals_period_#t~ret26;Pendulum_prism_task_each_pals_period_~active_side~0 := Pendulum_prism_task_each_pals_period_~tmp~2;Pendulum_prism_task_each_pals_period_~side1~2 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side1~2 := ~s1p_old~0;~s1p_old~0 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2 := ~s2p_old~0;~s2p_old~0 := ~nomsg~0; 151#L394true assume 1 == Pendulum_prism_task_each_pals_period_~side1~2;Pendulum_prism_task_each_pals_period_~active_side~0 := 1; 243#L408true write_active_side_history_#in~val := Pendulum_prism_task_each_pals_period_~active_side~0;havoc write_active_side_history_~val;write_active_side_history_~val := write_active_side_history_#in~val;~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; 58#L140true ~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;havoc check_#res;havoc check_#t~ret27, check_#t~ret28, check_#t~ret29, check_#t~ret30, check_#t~ret31, check_#t~ret32, check_#t~ret33, check_#t~ret34, check_#t~ret35, check_#t~ret36, check_#t~ret37, check_#t~ret38, check_#t~ret39, check_#t~ret40, check_#t~ret41, check_#t~ret42, check_#t~ret43, check_#t~ret44, check_#t~ret45, check_#t~ret46, check_#t~ret47, check_~tmp~3, check_~tmp___0~0, check_~tmp___1~0, check_~tmp___2~0, check_~tmp___3~0, check_~tmp___4~0, check_~tmp___5~0, check_~tmp___6~0, check_~tmp___7~0, check_~tmp___8~0, check_~tmp___9~0, check_~tmp___10~0, check_~tmp___11~0, check_~tmp___12~0, check_~tmp___13~0, check_~tmp___14~0, check_~tmp___15~0, check_~tmp___16~0, check_~tmp___17~0, check_~tmp___18~0, check_~tmp___19~0, check_~tmp___20~0;havoc check_~tmp~3;havoc check_~tmp___0~0;havoc check_~tmp___1~0;havoc check_~tmp___2~0;havoc check_~tmp___3~0;havoc check_~tmp___4~0;havoc check_~tmp___5~0;havoc check_~tmp___6~0;havoc check_~tmp___7~0;havoc check_~tmp___8~0;havoc check_~tmp___9~0;havoc check_~tmp___10~0;havoc check_~tmp___11~0;havoc check_~tmp___12~0;havoc check_~tmp___13~0;havoc check_~tmp___14~0;havoc check_~tmp___15~0;havoc check_~tmp___16~0;havoc check_~tmp___17~0;havoc check_~tmp___18~0;havoc check_~tmp___19~0;havoc check_~tmp___20~0; 166#L447true assume 0 == ~side1Failed~0 % 256;check_~tmp~3 := 1; 23#L450-2true assume_abort_if_not_#in~cond := (if 0 == check_~tmp~3 then 0 else 1) % 256;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 150#L58-2true assume 0 == assume_abort_if_not_~cond;assume false; 19#L57-1true read_manual_selection_history_#in~index := 1;havoc read_manual_selection_history_#res;havoc read_manual_selection_history_~index;read_manual_selection_history_~index := read_manual_selection_history_#in~index; 28#L178true assume 0 == read_manual_selection_history_~index % 256;read_manual_selection_history_#res := ~manual_selection_History_0~0; 20#L188true check_#t~ret27 := read_manual_selection_history_#res;check_~tmp___0~0 := check_#t~ret27;havoc check_#t~ret27; 157#L457true assume !(0 == check_~tmp___0~0); 142#L457-1true read_side1_failed_history_#in~index := 1;havoc read_side1_failed_history_#res;havoc read_side1_failed_history_~index;read_side1_failed_history_~index := read_side1_failed_history_#in~index; 17#L88-2true assume 0 == read_side1_failed_history_~index % 256;read_side1_failed_history_#res := ~side1Failed_History_0~0; 219#L98-2true check_#t~ret32 := read_side1_failed_history_#res;check_~tmp___7~0 := check_#t~ret32;havoc check_#t~ret32; 153#L487true assume 0 != check_~tmp___7~0 % 256;read_side2_failed_history_#in~index := 1;havoc read_side2_failed_history_#res;havoc read_side2_failed_history_~index;read_side2_failed_history_~index := read_side2_failed_history_#in~index; 59#L118-2true assume 0 == read_side2_failed_history_~index % 256;read_side2_failed_history_#res := ~side2Failed_History_0~0; 275#L128-2true check_#t~ret33 := read_side2_failed_history_#res;check_~tmp___8~0 := check_#t~ret33;havoc check_#t~ret33; 260#L489true assume 0 == check_~tmp___8~0 % 256;read_active_side_history_#in~index := 0;havoc read_active_side_history_#res;havoc read_active_side_history_~index;read_active_side_history_~index := read_active_side_history_#in~index; 244#L148-1true assume 0 == read_active_side_history_~index % 256;read_active_side_history_#res := ~active_side_History_0~0; 230#L158-1true check_#t~ret34 := read_active_side_history_#res;check_~tmp___5~0 := check_#t~ret34;havoc check_#t~ret34; 6#L491true assume !(2 == check_~tmp___5~0);check_#res := 0; 83#L537true main_#t~ret65 := check_#res;main_~c1~0 := main_#t~ret65;havoc main_#t~ret65;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 228#L616-44true assume !(0 == assert_~arg % 256); 267#L611-22true [2021-11-09 08:31:59,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:31:59,849 INFO L85 PathProgramCache]: Analyzing trace with hash 889563392, now seen corresponding path program 1 times [2021-11-09 08:31:59,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:31:59,860 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580862385] [2021-11-09 08:31:59,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:31:59,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:32:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:32:00,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:32:00,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:32:00,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580862385] [2021-11-09 08:32:00,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580862385] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:32:00,137 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:32:00,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 08:32:00,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830818031] [2021-11-09 08:32:00,156 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-09 08:32:00,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:32:00,161 INFO L85 PathProgramCache]: Analyzing trace with hash 279067672, now seen corresponding path program 1 times [2021-11-09 08:32:00,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:32:00,162 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697038899] [2021-11-09 08:32:00,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:32:00,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:32:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:32:00,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:32:00,250 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:32:00,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697038899] [2021-11-09 08:32:00,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697038899] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:32:00,252 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:32:00,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 08:32:00,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967283382] [2021-11-09 08:32:00,261 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 08:32:00,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:32:00,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 08:32:00,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 08:32:00,280 INFO L87 Difference]: Start difference. First operand has 273 states, 272 states have (on average 1.6213235294117647) internal successors, (441), 272 states have internal predecessors, (441), 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) [2021-11-09 08:32:00,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:32:00,394 INFO L93 Difference]: Finished difference Result 271 states and 406 transitions. [2021-11-09 08:32:00,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 08:32:00,401 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 271 states and 406 transitions. [2021-11-09 08:32:00,409 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 229 [2021-11-09 08:32:00,426 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 271 states to 246 states and 370 transitions. [2021-11-09 08:32:00,427 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 246 [2021-11-09 08:32:00,432 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 246 [2021-11-09 08:32:00,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 246 states and 370 transitions. [2021-11-09 08:32:00,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:32:00,436 INFO L681 BuchiCegarLoop]: Abstraction has 246 states and 370 transitions. [2021-11-09 08:32:00,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states and 370 transitions. [2021-11-09 08:32:00,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2021-11-09 08:32:00,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 246 states have (on average 1.5040650406504066) internal successors, (370), 245 states have internal predecessors, (370), 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) [2021-11-09 08:32:00,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 370 transitions. [2021-11-09 08:32:00,494 INFO L704 BuchiCegarLoop]: Abstraction has 246 states and 370 transitions. [2021-11-09 08:32:00,494 INFO L587 BuchiCegarLoop]: Abstraction has 246 states and 370 transitions. [2021-11-09 08:32:00,494 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-09 08:32:00,495 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 246 states and 370 transitions. [2021-11-09 08:32:00,498 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 229 [2021-11-09 08:32:00,499 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:32:00,499 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:32:00,503 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:32:00,504 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] [2021-11-09 08:32:00,504 INFO L791 eck$LassoCheckResult]: Stem: 801#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(54);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 777#L-1 havoc main_#res;havoc main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~nondet59, main_#t~nondet60, main_#t~nondet61, main_#t~nondet62, main_#t~nondet63, main_#t~ret64, main_#t~ret65, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~side1Failed~0 := main_#t~nondet48;havoc main_#t~nondet48;~side2Failed~0 := main_#t~nondet49;havoc main_#t~nondet49;~side1_written~0 := main_#t~nondet50;havoc main_#t~nondet50;~side2_written~0 := main_#t~nondet51;havoc main_#t~nondet51;~side1Failed_History_0~0 := main_#t~nondet52;havoc main_#t~nondet52;~side1Failed_History_1~0 := main_#t~nondet53;havoc main_#t~nondet53;~side1Failed_History_2~0 := main_#t~nondet54;havoc main_#t~nondet54;~side2Failed_History_0~0 := main_#t~nondet55;havoc main_#t~nondet55;~side2Failed_History_1~0 := main_#t~nondet56;havoc main_#t~nondet56;~side2Failed_History_2~0 := main_#t~nondet57;havoc main_#t~nondet57;~active_side_History_0~0 := main_#t~nondet58;havoc main_#t~nondet58;~active_side_History_1~0 := main_#t~nondet59;havoc main_#t~nondet59;~active_side_History_2~0 := main_#t~nondet60;havoc main_#t~nondet60;~manual_selection_History_0~0 := main_#t~nondet61;havoc main_#t~nondet61;~manual_selection_History_1~0 := main_#t~nondet62;havoc main_#t~nondet62;~manual_selection_History_2~0 := main_#t~nondet63;havoc main_#t~nondet63;havoc init_#res; 675#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 676#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 605#L203 assume !(-2 != ~active_side_History_0~0); 606#L206 assume !(0 != ~manual_selection_History_0~0); 622#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 792#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 744#L215 assume !(-2 != ~active_side_History_1~0); 745#L218 assume !(0 != ~manual_selection_History_1~0); 779#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 795#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 709#L227 assume !(-2 != ~active_side_History_2~0); 710#L230 assume !(0 != ~manual_selection_History_2~0);init_#res := 1; 664#L233 main_#t~ret64 := init_#res;main_~i2~0 := main_#t~ret64;havoc main_#t~ret64;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 665#L58 assume !(0 == assume_abort_if_not_~cond); 746#L57 ~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 := 0; 747#L611-22 [2021-11-09 08:32:00,505 INFO L793 eck$LassoCheckResult]: Loop: 747#L611-22 assume !false;havoc Console_task_each_pals_period_#t~nondet7, Console_task_each_pals_period_#t~ite8, Console_task_each_pals_period_#t~ite9, Console_task_each_pals_period_~manual_selection~0, Console_task_each_pals_period_~tmp~1;havoc Console_task_each_pals_period_~manual_selection~0;havoc Console_task_each_pals_period_~tmp~1;Console_task_each_pals_period_~tmp~1 := Console_task_each_pals_period_#t~nondet7;havoc Console_task_each_pals_period_#t~nondet7;Console_task_each_pals_period_~manual_selection~0 := Console_task_each_pals_period_~tmp~1;write_manual_selection_history_#in~val := Console_task_each_pals_period_~manual_selection~0;havoc write_manual_selection_history_~val;write_manual_selection_history_~val := write_manual_selection_history_#in~val;~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; 788#L170 assume Console_task_each_pals_period_~manual_selection~0 != ~nomsg~0 && ~cs1_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite8 := Console_task_each_pals_period_~manual_selection~0; 577#L258-1 ~cs1_new~0 := (if Console_task_each_pals_period_#t~ite8 % 256 <= 127 then Console_task_each_pals_period_#t~ite8 % 256 else Console_task_each_pals_period_#t~ite8 % 256 - 256);havoc Console_task_each_pals_period_#t~ite8; 578#L259 assume Console_task_each_pals_period_~manual_selection~0 != ~nomsg~0 && ~cs2_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite9 := Console_task_each_pals_period_~manual_selection~0; 790#L259-2 ~cs2_new~0 := (if Console_task_each_pals_period_#t~ite9 % 256 <= 127 then Console_task_each_pals_period_#t~ite9 % 256 else Console_task_each_pals_period_#t~ite9 % 256 - 256);havoc Console_task_each_pals_period_#t~ite9;Console_task_each_pals_period_~manual_selection~0 := 0; 752#L261 havoc Side1_activestandby_task_each_pals_period_#t~nondet10, Side1_activestandby_task_each_pals_period_#t~ite11, Side1_activestandby_task_each_pals_period_#t~ite12, Side1_activestandby_task_each_pals_period_#t~ite13, Side1_activestandby_task_each_pals_period_#t~ret14, Side1_activestandby_task_each_pals_period_#t~ite15, Side1_activestandby_task_each_pals_period_#t~ite16, Side1_activestandby_task_each_pals_period_#t~ite17, Side1_activestandby_task_each_pals_period_~side1~0, Side1_activestandby_task_each_pals_period_~side2~0, Side1_activestandby_task_each_pals_period_~manual_selection~1, Side1_activestandby_task_each_pals_period_~next_state~0;havoc Side1_activestandby_task_each_pals_period_~side1~0;havoc Side1_activestandby_task_each_pals_period_~side2~0;havoc Side1_activestandby_task_each_pals_period_~manual_selection~1;havoc Side1_activestandby_task_each_pals_period_~next_state~0;Side1_activestandby_task_each_pals_period_~side1~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1 := 0;~side1Failed~0 := Side1_activestandby_task_each_pals_period_#t~nondet10;havoc Side1_activestandby_task_each_pals_period_#t~nondet10;write_side1_failed_history_#in~val := ~side1Failed~0;havoc write_side1_failed_history_~val;write_side1_failed_history_~val := write_side1_failed_history_#in~val;~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; 753#L80 assume 0 != ~side1Failed~0 % 256; 749#L278 assume !(~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite11 := ~s1s1_new~0; 750#L278-2 ~s1s1_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite11 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite11 % 256 else Side1_activestandby_task_each_pals_period_#t~ite11 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite11; 648#L279 assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite12 := ~s1s2_new~0; 616#L279-2 ~s1s2_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite12 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite12 % 256 else Side1_activestandby_task_each_pals_period_#t~ite12 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite12; 617#L280 assume !(~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite13 := ~s1p_new~0; 717#L280-2 ~s1p_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite13 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite13 % 256 else Side1_activestandby_task_each_pals_period_#t~ite13 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite13;~side1_written~0 := ~nomsg~0; 718#L318 havoc Side2_activestandby_task_each_pals_period_#t~nondet18, Side2_activestandby_task_each_pals_period_#t~ite19, Side2_activestandby_task_each_pals_period_#t~ite20, Side2_activestandby_task_each_pals_period_#t~ite21, Side2_activestandby_task_each_pals_period_#t~ret22, Side2_activestandby_task_each_pals_period_#t~ite23, Side2_activestandby_task_each_pals_period_#t~ite24, Side2_activestandby_task_each_pals_period_#t~ite25, Side2_activestandby_task_each_pals_period_~side1~1, Side2_activestandby_task_each_pals_period_~side2~1, Side2_activestandby_task_each_pals_period_~manual_selection~2, Side2_activestandby_task_each_pals_period_~next_state~1;havoc Side2_activestandby_task_each_pals_period_~side1~1;havoc Side2_activestandby_task_each_pals_period_~side2~1;havoc Side2_activestandby_task_each_pals_period_~manual_selection~2;havoc Side2_activestandby_task_each_pals_period_~next_state~1;Side2_activestandby_task_each_pals_period_~side1~1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~side2~1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~manual_selection~2 := 0;~side2Failed~0 := Side2_activestandby_task_each_pals_period_#t~nondet18;havoc Side2_activestandby_task_each_pals_period_#t~nondet18;write_side2_failed_history_#in~val := ~side2Failed~0;havoc write_side2_failed_history_~val;write_side2_failed_history_~val := write_side2_failed_history_#in~val;~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; 672#L110 assume 0 != ~side2Failed~0 % 256; 600#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite19 := ~s2s1_new~0; 601#L335-2 ~s2s1_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite19 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite19 % 256 else Side2_activestandby_task_each_pals_period_#t~ite19 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite19; 615#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite20 := ~s2s2_new~0; 684#L336-2 ~s2s2_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite20 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite20 % 256 else Side2_activestandby_task_each_pals_period_#t~ite20 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite20; 794#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite21 := ~s2p_new~0; 731#L337-2 ~s2p_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite21 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite21 % 256 else Side2_activestandby_task_each_pals_period_#t~ite21 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite21;~side2_written~0 := ~nomsg~0; 699#L375 havoc Pendulum_prism_task_each_pals_period_#t~ret26, Pendulum_prism_task_each_pals_period_~active_side~0, Pendulum_prism_task_each_pals_period_~tmp~2, Pendulum_prism_task_each_pals_period_~side1~2, Pendulum_prism_task_each_pals_period_~side2~2;havoc Pendulum_prism_task_each_pals_period_~active_side~0;havoc Pendulum_prism_task_each_pals_period_~tmp~2;havoc Pendulum_prism_task_each_pals_period_~side1~2;havoc Pendulum_prism_task_each_pals_period_~side2~2;read_active_side_history_#in~index := 0;havoc read_active_side_history_#res;havoc read_active_side_history_~index;read_active_side_history_~index := read_active_side_history_#in~index; 610#L148 assume 0 == read_active_side_history_~index % 256;read_active_side_history_#res := ~active_side_History_0~0; 611#L158 Pendulum_prism_task_each_pals_period_#t~ret26 := read_active_side_history_#res;Pendulum_prism_task_each_pals_period_~tmp~2 := Pendulum_prism_task_each_pals_period_#t~ret26;havoc Pendulum_prism_task_each_pals_period_#t~ret26;Pendulum_prism_task_each_pals_period_~active_side~0 := Pendulum_prism_task_each_pals_period_~tmp~2;Pendulum_prism_task_each_pals_period_~side1~2 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side1~2 := ~s1p_old~0;~s1p_old~0 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2 := ~s2p_old~0;~s2p_old~0 := ~nomsg~0; 763#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2;Pendulum_prism_task_each_pals_period_~active_side~0 := 1; 572#L408 write_active_side_history_#in~val := Pendulum_prism_task_each_pals_period_~active_side~0;havoc write_active_side_history_~val;write_active_side_history_~val := write_active_side_history_#in~val;~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; 654#L140 ~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;havoc check_#res;havoc check_#t~ret27, check_#t~ret28, check_#t~ret29, check_#t~ret30, check_#t~ret31, check_#t~ret32, check_#t~ret33, check_#t~ret34, check_#t~ret35, check_#t~ret36, check_#t~ret37, check_#t~ret38, check_#t~ret39, check_#t~ret40, check_#t~ret41, check_#t~ret42, check_#t~ret43, check_#t~ret44, check_#t~ret45, check_#t~ret46, check_#t~ret47, check_~tmp~3, check_~tmp___0~0, check_~tmp___1~0, check_~tmp___2~0, check_~tmp___3~0, check_~tmp___4~0, check_~tmp___5~0, check_~tmp___6~0, check_~tmp___7~0, check_~tmp___8~0, check_~tmp___9~0, check_~tmp___10~0, check_~tmp___11~0, check_~tmp___12~0, check_~tmp___13~0, check_~tmp___14~0, check_~tmp___15~0, check_~tmp___16~0, check_~tmp___17~0, check_~tmp___18~0, check_~tmp___19~0, check_~tmp___20~0;havoc check_~tmp~3;havoc check_~tmp___0~0;havoc check_~tmp___1~0;havoc check_~tmp___2~0;havoc check_~tmp___3~0;havoc check_~tmp___4~0;havoc check_~tmp___5~0;havoc check_~tmp___6~0;havoc check_~tmp___7~0;havoc check_~tmp___8~0;havoc check_~tmp___9~0;havoc check_~tmp___10~0;havoc check_~tmp___11~0;havoc check_~tmp___12~0;havoc check_~tmp___13~0;havoc check_~tmp___14~0;havoc check_~tmp___15~0;havoc check_~tmp___16~0;havoc check_~tmp___17~0;havoc check_~tmp___18~0;havoc check_~tmp___19~0;havoc check_~tmp___20~0; 655#L447 assume 0 == ~side1Failed~0 % 256;check_~tmp~3 := 1; 598#L450-2 assume_abort_if_not_#in~cond := (if 0 == check_~tmp~3 then 0 else 1) % 256;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 599#L58-2 assume !(0 == assume_abort_if_not_~cond); 590#L57-1 read_manual_selection_history_#in~index := 1;havoc read_manual_selection_history_#res;havoc read_manual_selection_history_~index;read_manual_selection_history_~index := read_manual_selection_history_#in~index; 591#L178 assume 0 == read_manual_selection_history_~index % 256;read_manual_selection_history_#res := ~manual_selection_History_0~0; 592#L188 check_#t~ret27 := read_manual_selection_history_#res;check_~tmp___0~0 := check_#t~ret27;havoc check_#t~ret27; 593#L457 assume !(0 == check_~tmp___0~0); 560#L457-1 read_side1_failed_history_#in~index := 1;havoc read_side1_failed_history_#res;havoc read_side1_failed_history_~index;read_side1_failed_history_~index := read_side1_failed_history_#in~index; 585#L88-2 assume 0 == read_side1_failed_history_~index % 256;read_side1_failed_history_#res := ~side1Failed_History_0~0; 586#L98-2 check_#t~ret32 := read_side1_failed_history_#res;check_~tmp___7~0 := check_#t~ret32;havoc check_#t~ret32; 764#L487 assume 0 != check_~tmp___7~0 % 256;read_side2_failed_history_#in~index := 1;havoc read_side2_failed_history_#res;havoc read_side2_failed_history_~index;read_side2_failed_history_~index := read_side2_failed_history_#in~index; 656#L118-2 assume 0 == read_side2_failed_history_~index % 256;read_side2_failed_history_#res := ~side2Failed_History_0~0; 657#L128-2 check_#t~ret33 := read_side2_failed_history_#res;check_~tmp___8~0 := check_#t~ret33;havoc check_#t~ret33; 800#L489 assume 0 == check_~tmp___8~0 % 256;read_active_side_history_#in~index := 0;havoc read_active_side_history_#res;havoc read_active_side_history_~index;read_active_side_history_~index := read_active_side_history_#in~index; 799#L148-1 assume 0 == read_active_side_history_~index % 256;read_active_side_history_#res := ~active_side_History_0~0; 707#L158-1 check_#t~ret34 := read_active_side_history_#res;check_~tmp___5~0 := check_#t~ret34;havoc check_#t~ret34; 566#L491 assume !(2 == check_~tmp___5~0);check_#res := 0; 567#L537 main_#t~ret65 := check_#res;main_~c1~0 := main_#t~ret65;havoc main_#t~ret65;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 691#L616-44 assume !(0 == assert_~arg % 256); 747#L611-22 [2021-11-09 08:32:00,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:32:00,507 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 1 times [2021-11-09 08:32:00,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:32:00,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380426921] [2021-11-09 08:32:00,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:32:00,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:32:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:32:00,603 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:32:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:32:00,710 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:32:00,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:32:00,711 INFO L85 PathProgramCache]: Analyzing trace with hash 12378404, now seen corresponding path program 1 times [2021-11-09 08:32:00,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:32:00,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160182659] [2021-11-09 08:32:00,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:32:00,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:32:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:32:00,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:32:00,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:32:00,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160182659] [2021-11-09 08:32:00,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160182659] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:32:00,829 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:32:00,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:32:00,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935524864] [2021-11-09 08:32:00,835 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 08:32:00,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:32:00,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:32:00,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:32:00,839 INFO L87 Difference]: Start difference. First operand 246 states and 370 transitions. cyclomatic complexity: 125 Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2021-11-09 08:32:00,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:32:00,880 INFO L93 Difference]: Finished difference Result 452 states and 687 transitions. [2021-11-09 08:32:00,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:32:00,881 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 452 states and 687 transitions. [2021-11-09 08:32:00,885 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 435 [2021-11-09 08:32:00,895 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 452 states to 452 states and 687 transitions. [2021-11-09 08:32:00,895 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 452 [2021-11-09 08:32:00,898 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 452 [2021-11-09 08:32:00,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 452 states and 687 transitions. [2021-11-09 08:32:00,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:32:00,934 INFO L681 BuchiCegarLoop]: Abstraction has 452 states and 687 transitions. [2021-11-09 08:32:00,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states and 687 transitions. [2021-11-09 08:32:00,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 285. [2021-11-09 08:32:00,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 285 states have (on average 1.5052631578947369) internal successors, (429), 284 states have internal predecessors, (429), 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) [2021-11-09 08:32:00,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 429 transitions. [2021-11-09 08:32:00,964 INFO L704 BuchiCegarLoop]: Abstraction has 285 states and 429 transitions. [2021-11-09 08:32:00,964 INFO L587 BuchiCegarLoop]: Abstraction has 285 states and 429 transitions. [2021-11-09 08:32:00,964 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-09 08:32:00,964 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 285 states and 429 transitions. [2021-11-09 08:32:00,966 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 268 [2021-11-09 08:32:00,967 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:32:00,967 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:32:00,968 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:32:00,969 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] [2021-11-09 08:32:00,969 INFO L791 eck$LassoCheckResult]: Stem: 1525#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(54);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 1494#L-1 havoc main_#res;havoc main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~nondet59, main_#t~nondet60, main_#t~nondet61, main_#t~nondet62, main_#t~nondet63, main_#t~ret64, main_#t~ret65, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~side1Failed~0 := main_#t~nondet48;havoc main_#t~nondet48;~side2Failed~0 := main_#t~nondet49;havoc main_#t~nondet49;~side1_written~0 := main_#t~nondet50;havoc main_#t~nondet50;~side2_written~0 := main_#t~nondet51;havoc main_#t~nondet51;~side1Failed_History_0~0 := main_#t~nondet52;havoc main_#t~nondet52;~side1Failed_History_1~0 := main_#t~nondet53;havoc main_#t~nondet53;~side1Failed_History_2~0 := main_#t~nondet54;havoc main_#t~nondet54;~side2Failed_History_0~0 := main_#t~nondet55;havoc main_#t~nondet55;~side2Failed_History_1~0 := main_#t~nondet56;havoc main_#t~nondet56;~side2Failed_History_2~0 := main_#t~nondet57;havoc main_#t~nondet57;~active_side_History_0~0 := main_#t~nondet58;havoc main_#t~nondet58;~active_side_History_1~0 := main_#t~nondet59;havoc main_#t~nondet59;~active_side_History_2~0 := main_#t~nondet60;havoc main_#t~nondet60;~manual_selection_History_0~0 := main_#t~nondet61;havoc main_#t~nondet61;~manual_selection_History_1~0 := main_#t~nondet62;havoc main_#t~nondet62;~manual_selection_History_2~0 := main_#t~nondet63;havoc main_#t~nondet63;havoc init_#res; 1381#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 1382#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 1309#L203 assume !(-2 != ~active_side_History_0~0); 1310#L206 assume !(0 != ~manual_selection_History_0~0); 1327#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 1508#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 1452#L215 assume !(-2 != ~active_side_History_1~0); 1453#L218 assume !(0 != ~manual_selection_History_1~0); 1495#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 1513#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 1415#L227 assume !(-2 != ~active_side_History_2~0); 1416#L230 assume !(0 != ~manual_selection_History_2~0);init_#res := 1; 1372#L233 main_#t~ret64 := init_#res;main_~i2~0 := main_#t~ret64;havoc main_#t~ret64;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 1373#L58 assume !(0 == assume_abort_if_not_~cond); 1455#L57 ~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 := 0; 1456#L611-22 [2021-11-09 08:32:00,969 INFO L793 eck$LassoCheckResult]: Loop: 1456#L611-22 assume !false;havoc Console_task_each_pals_period_#t~nondet7, Console_task_each_pals_period_#t~ite8, Console_task_each_pals_period_#t~ite9, Console_task_each_pals_period_~manual_selection~0, Console_task_each_pals_period_~tmp~1;havoc Console_task_each_pals_period_~manual_selection~0;havoc Console_task_each_pals_period_~tmp~1;Console_task_each_pals_period_~tmp~1 := Console_task_each_pals_period_#t~nondet7;havoc Console_task_each_pals_period_#t~nondet7;Console_task_each_pals_period_~manual_selection~0 := Console_task_each_pals_period_~tmp~1;write_manual_selection_history_#in~val := Console_task_each_pals_period_~manual_selection~0;havoc write_manual_selection_history_~val;write_manual_selection_history_~val := write_manual_selection_history_#in~val;~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; 1504#L170 assume Console_task_each_pals_period_~manual_selection~0 != ~nomsg~0 && ~cs1_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite8 := Console_task_each_pals_period_~manual_selection~0; 1281#L258-1 ~cs1_new~0 := (if Console_task_each_pals_period_#t~ite8 % 256 <= 127 then Console_task_each_pals_period_#t~ite8 % 256 else Console_task_each_pals_period_#t~ite8 % 256 - 256);havoc Console_task_each_pals_period_#t~ite8; 1282#L259 assume Console_task_each_pals_period_~manual_selection~0 != ~nomsg~0 && ~cs2_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite9 := Console_task_each_pals_period_~manual_selection~0; 1506#L259-2 ~cs2_new~0 := (if Console_task_each_pals_period_#t~ite9 % 256 <= 127 then Console_task_each_pals_period_#t~ite9 % 256 else Console_task_each_pals_period_#t~ite9 % 256 - 256);havoc Console_task_each_pals_period_#t~ite9;Console_task_each_pals_period_~manual_selection~0 := 0; 1461#L261 havoc Side1_activestandby_task_each_pals_period_#t~nondet10, Side1_activestandby_task_each_pals_period_#t~ite11, Side1_activestandby_task_each_pals_period_#t~ite12, Side1_activestandby_task_each_pals_period_#t~ite13, Side1_activestandby_task_each_pals_period_#t~ret14, Side1_activestandby_task_each_pals_period_#t~ite15, Side1_activestandby_task_each_pals_period_#t~ite16, Side1_activestandby_task_each_pals_period_#t~ite17, Side1_activestandby_task_each_pals_period_~side1~0, Side1_activestandby_task_each_pals_period_~side2~0, Side1_activestandby_task_each_pals_period_~manual_selection~1, Side1_activestandby_task_each_pals_period_~next_state~0;havoc Side1_activestandby_task_each_pals_period_~side1~0;havoc Side1_activestandby_task_each_pals_period_~side2~0;havoc Side1_activestandby_task_each_pals_period_~manual_selection~1;havoc Side1_activestandby_task_each_pals_period_~next_state~0;Side1_activestandby_task_each_pals_period_~side1~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1 := 0;~side1Failed~0 := Side1_activestandby_task_each_pals_period_#t~nondet10;havoc Side1_activestandby_task_each_pals_period_#t~nondet10;write_side1_failed_history_#in~val := ~side1Failed~0;havoc write_side1_failed_history_~val;write_side1_failed_history_~val := write_side1_failed_history_#in~val;~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; 1462#L80 assume 0 != ~side1Failed~0 % 256; 1457#L278 assume !(~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite11 := ~s1s1_new~0; 1458#L278-2 ~s1s1_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite11 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite11 % 256 else Side1_activestandby_task_each_pals_period_#t~ite11 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite11; 1355#L279 assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite12 := ~s1s2_new~0; 1321#L279-2 ~s1s2_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite12 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite12 % 256 else Side1_activestandby_task_each_pals_period_#t~ite12 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite12; 1322#L280 assume !(~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite13 := ~s1p_new~0; 1425#L280-2 ~s1p_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite13 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite13 % 256 else Side1_activestandby_task_each_pals_period_#t~ite13 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite13;~side1_written~0 := ~nomsg~0; 1426#L318 havoc Side2_activestandby_task_each_pals_period_#t~nondet18, Side2_activestandby_task_each_pals_period_#t~ite19, Side2_activestandby_task_each_pals_period_#t~ite20, Side2_activestandby_task_each_pals_period_#t~ite21, Side2_activestandby_task_each_pals_period_#t~ret22, Side2_activestandby_task_each_pals_period_#t~ite23, Side2_activestandby_task_each_pals_period_#t~ite24, Side2_activestandby_task_each_pals_period_#t~ite25, Side2_activestandby_task_each_pals_period_~side1~1, Side2_activestandby_task_each_pals_period_~side2~1, Side2_activestandby_task_each_pals_period_~manual_selection~2, Side2_activestandby_task_each_pals_period_~next_state~1;havoc Side2_activestandby_task_each_pals_period_~side1~1;havoc Side2_activestandby_task_each_pals_period_~side2~1;havoc Side2_activestandby_task_each_pals_period_~manual_selection~2;havoc Side2_activestandby_task_each_pals_period_~next_state~1;Side2_activestandby_task_each_pals_period_~side1~1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~side2~1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~manual_selection~2 := 0;~side2Failed~0 := Side2_activestandby_task_each_pals_period_#t~nondet18;havoc Side2_activestandby_task_each_pals_period_#t~nondet18;write_side2_failed_history_#in~val := ~side2Failed~0;havoc write_side2_failed_history_~val;write_side2_failed_history_~val := write_side2_failed_history_#in~val;~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; 1526#L110 assume 0 != ~side2Failed~0 % 256; 1304#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite19 := ~s2s1_new~0; 1305#L335-2 ~s2s1_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite19 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite19 % 256 else Side2_activestandby_task_each_pals_period_#t~ite19 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite19; 1538#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite20 := ~s2s2_new~0; 1514#L336-2 ~s2s2_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite20 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite20 % 256 else Side2_activestandby_task_each_pals_period_#t~ite20 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite20; 1515#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite21 := ~s2p_new~0; 1439#L337-2 ~s2p_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite21 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite21 % 256 else Side2_activestandby_task_each_pals_period_#t~ite21 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite21;~side2_written~0 := ~nomsg~0; 1405#L375 havoc Pendulum_prism_task_each_pals_period_#t~ret26, Pendulum_prism_task_each_pals_period_~active_side~0, Pendulum_prism_task_each_pals_period_~tmp~2, Pendulum_prism_task_each_pals_period_~side1~2, Pendulum_prism_task_each_pals_period_~side2~2;havoc Pendulum_prism_task_each_pals_period_~active_side~0;havoc Pendulum_prism_task_each_pals_period_~tmp~2;havoc Pendulum_prism_task_each_pals_period_~side1~2;havoc Pendulum_prism_task_each_pals_period_~side2~2;read_active_side_history_#in~index := 0;havoc read_active_side_history_#res;havoc read_active_side_history_~index;read_active_side_history_~index := read_active_side_history_#in~index; 1314#L148 assume 0 == read_active_side_history_~index % 256;read_active_side_history_#res := ~active_side_History_0~0; 1315#L158 Pendulum_prism_task_each_pals_period_#t~ret26 := read_active_side_history_#res;Pendulum_prism_task_each_pals_period_~tmp~2 := Pendulum_prism_task_each_pals_period_#t~ret26;havoc Pendulum_prism_task_each_pals_period_#t~ret26;Pendulum_prism_task_each_pals_period_~active_side~0 := Pendulum_prism_task_each_pals_period_~tmp~2;Pendulum_prism_task_each_pals_period_~side1~2 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side1~2 := ~s1p_old~0;~s1p_old~0 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2 := ~s2p_old~0;~s2p_old~0 := ~nomsg~0; 1472#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2;Pendulum_prism_task_each_pals_period_~active_side~0 := 1; 1279#L408 write_active_side_history_#in~val := Pendulum_prism_task_each_pals_period_~active_side~0;havoc write_active_side_history_~val;write_active_side_history_~val := write_active_side_history_#in~val;~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; 1521#L140 ~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;havoc check_#res;havoc check_#t~ret27, check_#t~ret28, check_#t~ret29, check_#t~ret30, check_#t~ret31, check_#t~ret32, check_#t~ret33, check_#t~ret34, check_#t~ret35, check_#t~ret36, check_#t~ret37, check_#t~ret38, check_#t~ret39, check_#t~ret40, check_#t~ret41, check_#t~ret42, check_#t~ret43, check_#t~ret44, check_#t~ret45, check_#t~ret46, check_#t~ret47, check_~tmp~3, check_~tmp___0~0, check_~tmp___1~0, check_~tmp___2~0, check_~tmp___3~0, check_~tmp___4~0, check_~tmp___5~0, check_~tmp___6~0, check_~tmp___7~0, check_~tmp___8~0, check_~tmp___9~0, check_~tmp___10~0, check_~tmp___11~0, check_~tmp___12~0, check_~tmp___13~0, check_~tmp___14~0, check_~tmp___15~0, check_~tmp___16~0, check_~tmp___17~0, check_~tmp___18~0, check_~tmp___19~0, check_~tmp___20~0;havoc check_~tmp~3;havoc check_~tmp___0~0;havoc check_~tmp___1~0;havoc check_~tmp___2~0;havoc check_~tmp___3~0;havoc check_~tmp___4~0;havoc check_~tmp___5~0;havoc check_~tmp___6~0;havoc check_~tmp___7~0;havoc check_~tmp___8~0;havoc check_~tmp___9~0;havoc check_~tmp___10~0;havoc check_~tmp___11~0;havoc check_~tmp___12~0;havoc check_~tmp___13~0;havoc check_~tmp___14~0;havoc check_~tmp___15~0;havoc check_~tmp___16~0;havoc check_~tmp___17~0;havoc check_~tmp___18~0;havoc check_~tmp___19~0;havoc check_~tmp___20~0; 1484#L447 assume !(0 == ~side1Failed~0 % 256); 1409#L450 assume 0 == ~side2Failed~0 % 256;check_~tmp~3 := 1; 1302#L450-2 assume_abort_if_not_#in~cond := (if 0 == check_~tmp~3 then 0 else 1) % 256;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 1303#L58-2 assume !(0 == assume_abort_if_not_~cond); 1294#L57-1 read_manual_selection_history_#in~index := 1;havoc read_manual_selection_history_#res;havoc read_manual_selection_history_~index;read_manual_selection_history_~index := read_manual_selection_history_#in~index; 1295#L178 assume 0 == read_manual_selection_history_~index % 256;read_manual_selection_history_#res := ~manual_selection_History_0~0; 1296#L188 check_#t~ret27 := read_manual_selection_history_#res;check_~tmp___0~0 := check_#t~ret27;havoc check_#t~ret27; 1297#L457 assume !(0 == check_~tmp___0~0); 1264#L457-1 read_side1_failed_history_#in~index := 1;havoc read_side1_failed_history_#res;havoc read_side1_failed_history_~index;read_side1_failed_history_~index := read_side1_failed_history_#in~index; 1289#L88-2 assume 0 == read_side1_failed_history_~index % 256;read_side1_failed_history_#res := ~side1Failed_History_0~0; 1290#L98-2 check_#t~ret32 := read_side1_failed_history_#res;check_~tmp___7~0 := check_#t~ret32;havoc check_#t~ret32; 1477#L487 assume 0 != check_~tmp___7~0 % 256;read_side2_failed_history_#in~index := 1;havoc read_side2_failed_history_#res;havoc read_side2_failed_history_~index;read_side2_failed_history_~index := read_side2_failed_history_#in~index; 1361#L118-2 assume 0 == read_side2_failed_history_~index % 256;read_side2_failed_history_#res := ~side2Failed_History_0~0; 1362#L128-2 check_#t~ret33 := read_side2_failed_history_#res;check_~tmp___8~0 := check_#t~ret33;havoc check_#t~ret33; 1524#L489 assume 0 == check_~tmp___8~0 % 256;read_active_side_history_#in~index := 0;havoc read_active_side_history_#res;havoc read_active_side_history_~index;read_active_side_history_~index := read_active_side_history_#in~index; 1522#L148-1 assume 0 == read_active_side_history_~index % 256;read_active_side_history_#res := ~active_side_History_0~0; 1413#L158-1 check_#t~ret34 := read_active_side_history_#res;check_~tmp___5~0 := check_#t~ret34;havoc check_#t~ret34; 1268#L491 assume !(2 == check_~tmp___5~0);check_#res := 0; 1269#L537 main_#t~ret65 := check_#res;main_~c1~0 := main_#t~ret65;havoc main_#t~ret65;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 1397#L616-44 assume !(0 == assert_~arg % 256); 1456#L611-22 [2021-11-09 08:32:00,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:32:00,970 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 2 times [2021-11-09 08:32:00,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:32:00,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940224762] [2021-11-09 08:32:00,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:32:00,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:32:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:32:00,992 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:32:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:32:01,021 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:32:01,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:32:01,022 INFO L85 PathProgramCache]: Analyzing trace with hash 560387119, now seen corresponding path program 1 times [2021-11-09 08:32:01,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:32:01,022 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818292472] [2021-11-09 08:32:01,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:32:01,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:32:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:32:01,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:32:01,073 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:32:01,073 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818292472] [2021-11-09 08:32:01,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818292472] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:32:01,074 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:32:01,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:32:01,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981976360] [2021-11-09 08:32:01,075 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 08:32:01,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:32:01,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:32:01,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:32:01,076 INFO L87 Difference]: Start difference. First operand 285 states and 429 transitions. cyclomatic complexity: 145 Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2021-11-09 08:32:01,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:32:01,101 INFO L93 Difference]: Finished difference Result 509 states and 774 transitions. [2021-11-09 08:32:01,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:32:01,102 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 509 states and 774 transitions. [2021-11-09 08:32:01,107 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 492 [2021-11-09 08:32:01,112 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 509 states to 509 states and 774 transitions. [2021-11-09 08:32:01,113 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 509 [2021-11-09 08:32:01,114 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 509 [2021-11-09 08:32:01,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 509 states and 774 transitions. [2021-11-09 08:32:01,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:32:01,115 INFO L681 BuchiCegarLoop]: Abstraction has 509 states and 774 transitions. [2021-11-09 08:32:01,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states and 774 transitions. [2021-11-09 08:32:01,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 318. [2021-11-09 08:32:01,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 318 states have (on average 1.5125786163522013) internal successors, (481), 317 states have internal predecessors, (481), 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) [2021-11-09 08:32:01,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 481 transitions. [2021-11-09 08:32:01,136 INFO L704 BuchiCegarLoop]: Abstraction has 318 states and 481 transitions. [2021-11-09 08:32:01,136 INFO L587 BuchiCegarLoop]: Abstraction has 318 states and 481 transitions. [2021-11-09 08:32:01,136 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-09 08:32:01,137 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 318 states and 481 transitions. [2021-11-09 08:32:01,139 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 301 [2021-11-09 08:32:01,139 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:32:01,139 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:32:01,143 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:32:01,143 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] [2021-11-09 08:32:01,144 INFO L791 eck$LassoCheckResult]: Stem: 2322#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(54);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 2292#L-1 havoc main_#res;havoc main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~nondet59, main_#t~nondet60, main_#t~nondet61, main_#t~nondet62, main_#t~nondet63, main_#t~ret64, main_#t~ret65, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~side1Failed~0 := main_#t~nondet48;havoc main_#t~nondet48;~side2Failed~0 := main_#t~nondet49;havoc main_#t~nondet49;~side1_written~0 := main_#t~nondet50;havoc main_#t~nondet50;~side2_written~0 := main_#t~nondet51;havoc main_#t~nondet51;~side1Failed_History_0~0 := main_#t~nondet52;havoc main_#t~nondet52;~side1Failed_History_1~0 := main_#t~nondet53;havoc main_#t~nondet53;~side1Failed_History_2~0 := main_#t~nondet54;havoc main_#t~nondet54;~side2Failed_History_0~0 := main_#t~nondet55;havoc main_#t~nondet55;~side2Failed_History_1~0 := main_#t~nondet56;havoc main_#t~nondet56;~side2Failed_History_2~0 := main_#t~nondet57;havoc main_#t~nondet57;~active_side_History_0~0 := main_#t~nondet58;havoc main_#t~nondet58;~active_side_History_1~0 := main_#t~nondet59;havoc main_#t~nondet59;~active_side_History_2~0 := main_#t~nondet60;havoc main_#t~nondet60;~manual_selection_History_0~0 := main_#t~nondet61;havoc main_#t~nondet61;~manual_selection_History_1~0 := main_#t~nondet62;havoc main_#t~nondet62;~manual_selection_History_2~0 := main_#t~nondet63;havoc main_#t~nondet63;havoc init_#res; 2182#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 2183#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 2109#L203 assume !(-2 != ~active_side_History_0~0); 2110#L206 assume !(0 != ~manual_selection_History_0~0); 2127#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 2307#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 2253#L215 assume !(-2 != ~active_side_History_1~0); 2254#L218 assume !(0 != ~manual_selection_History_1~0); 2294#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 2312#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 2217#L227 assume !(-2 != ~active_side_History_2~0); 2218#L230 assume !(0 != ~manual_selection_History_2~0);init_#res := 1; 2170#L233 main_#t~ret64 := init_#res;main_~i2~0 := main_#t~ret64;havoc main_#t~ret64;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 2171#L58 assume !(0 == assume_abort_if_not_~cond); 2255#L57 ~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 := 0; 2256#L611-22 [2021-11-09 08:32:01,144 INFO L793 eck$LassoCheckResult]: Loop: 2256#L611-22 assume !false;havoc Console_task_each_pals_period_#t~nondet7, Console_task_each_pals_period_#t~ite8, Console_task_each_pals_period_#t~ite9, Console_task_each_pals_period_~manual_selection~0, Console_task_each_pals_period_~tmp~1;havoc Console_task_each_pals_period_~manual_selection~0;havoc Console_task_each_pals_period_~tmp~1;Console_task_each_pals_period_~tmp~1 := Console_task_each_pals_period_#t~nondet7;havoc Console_task_each_pals_period_#t~nondet7;Console_task_each_pals_period_~manual_selection~0 := Console_task_each_pals_period_~tmp~1;write_manual_selection_history_#in~val := Console_task_each_pals_period_~manual_selection~0;havoc write_manual_selection_history_~val;write_manual_selection_history_~val := write_manual_selection_history_#in~val;~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; 2303#L170 assume Console_task_each_pals_period_~manual_selection~0 != ~nomsg~0 && ~cs1_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite8 := Console_task_each_pals_period_~manual_selection~0; 2081#L258-1 ~cs1_new~0 := (if Console_task_each_pals_period_#t~ite8 % 256 <= 127 then Console_task_each_pals_period_#t~ite8 % 256 else Console_task_each_pals_period_#t~ite8 % 256 - 256);havoc Console_task_each_pals_period_#t~ite8; 2082#L259 assume Console_task_each_pals_period_~manual_selection~0 != ~nomsg~0 && ~cs2_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite9 := Console_task_each_pals_period_~manual_selection~0; 2305#L259-2 ~cs2_new~0 := (if Console_task_each_pals_period_#t~ite9 % 256 <= 127 then Console_task_each_pals_period_#t~ite9 % 256 else Console_task_each_pals_period_#t~ite9 % 256 - 256);havoc Console_task_each_pals_period_#t~ite9;Console_task_each_pals_period_~manual_selection~0 := 0; 2262#L261 havoc Side1_activestandby_task_each_pals_period_#t~nondet10, Side1_activestandby_task_each_pals_period_#t~ite11, Side1_activestandby_task_each_pals_period_#t~ite12, Side1_activestandby_task_each_pals_period_#t~ite13, Side1_activestandby_task_each_pals_period_#t~ret14, Side1_activestandby_task_each_pals_period_#t~ite15, Side1_activestandby_task_each_pals_period_#t~ite16, Side1_activestandby_task_each_pals_period_#t~ite17, Side1_activestandby_task_each_pals_period_~side1~0, Side1_activestandby_task_each_pals_period_~side2~0, Side1_activestandby_task_each_pals_period_~manual_selection~1, Side1_activestandby_task_each_pals_period_~next_state~0;havoc Side1_activestandby_task_each_pals_period_~side1~0;havoc Side1_activestandby_task_each_pals_period_~side2~0;havoc Side1_activestandby_task_each_pals_period_~manual_selection~1;havoc Side1_activestandby_task_each_pals_period_~next_state~0;Side1_activestandby_task_each_pals_period_~side1~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1 := 0;~side1Failed~0 := Side1_activestandby_task_each_pals_period_#t~nondet10;havoc Side1_activestandby_task_each_pals_period_#t~nondet10;write_side1_failed_history_#in~val := ~side1Failed~0;havoc write_side1_failed_history_~val;write_side1_failed_history_~val := write_side1_failed_history_#in~val;~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; 2263#L80 assume 0 != ~side1Failed~0 % 256; 2258#L278 assume !(~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite11 := ~s1s1_new~0; 2259#L278-2 ~s1s1_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite11 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite11 % 256 else Side1_activestandby_task_each_pals_period_#t~ite11 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite11; 2153#L279 assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite12 := ~s1s2_new~0; 2121#L279-2 ~s1s2_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite12 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite12 % 256 else Side1_activestandby_task_each_pals_period_#t~ite12 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite12; 2122#L280 assume !(~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite13 := ~s1p_new~0; 2225#L280-2 ~s1p_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite13 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite13 % 256 else Side1_activestandby_task_each_pals_period_#t~ite13 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite13;~side1_written~0 := ~nomsg~0; 2226#L318 havoc Side2_activestandby_task_each_pals_period_#t~nondet18, Side2_activestandby_task_each_pals_period_#t~ite19, Side2_activestandby_task_each_pals_period_#t~ite20, Side2_activestandby_task_each_pals_period_#t~ite21, Side2_activestandby_task_each_pals_period_#t~ret22, Side2_activestandby_task_each_pals_period_#t~ite23, Side2_activestandby_task_each_pals_period_#t~ite24, Side2_activestandby_task_each_pals_period_#t~ite25, Side2_activestandby_task_each_pals_period_~side1~1, Side2_activestandby_task_each_pals_period_~side2~1, Side2_activestandby_task_each_pals_period_~manual_selection~2, Side2_activestandby_task_each_pals_period_~next_state~1;havoc Side2_activestandby_task_each_pals_period_~side1~1;havoc Side2_activestandby_task_each_pals_period_~side2~1;havoc Side2_activestandby_task_each_pals_period_~manual_selection~2;havoc Side2_activestandby_task_each_pals_period_~next_state~1;Side2_activestandby_task_each_pals_period_~side1~1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~side2~1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~manual_selection~2 := 0;~side2Failed~0 := Side2_activestandby_task_each_pals_period_#t~nondet18;havoc Side2_activestandby_task_each_pals_period_#t~nondet18;write_side2_failed_history_#in~val := ~side2Failed~0;havoc write_side2_failed_history_~val;write_side2_failed_history_~val := write_side2_failed_history_#in~val;~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; 2177#L110 assume 0 != ~side2Failed~0 % 256; 2104#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite19 := ~s2s1_new~0; 2105#L335-2 ~s2s1_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite19 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite19 % 256 else Side2_activestandby_task_each_pals_period_#t~ite19 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite19; 2191#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite20 := ~s2s2_new~0; 2192#L336-2 ~s2s2_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite20 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite20 % 256 else Side2_activestandby_task_each_pals_period_#t~ite20 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite20; 2310#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite21 := ~s2p_new~0; 2311#L337-2 ~s2p_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite21 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite21 % 256 else Side2_activestandby_task_each_pals_period_#t~ite21 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite21;~side2_written~0 := ~nomsg~0; 2349#L375 havoc Pendulum_prism_task_each_pals_period_#t~ret26, Pendulum_prism_task_each_pals_period_~active_side~0, Pendulum_prism_task_each_pals_period_~tmp~2, Pendulum_prism_task_each_pals_period_~side1~2, Pendulum_prism_task_each_pals_period_~side2~2;havoc Pendulum_prism_task_each_pals_period_~active_side~0;havoc Pendulum_prism_task_each_pals_period_~tmp~2;havoc Pendulum_prism_task_each_pals_period_~side1~2;havoc Pendulum_prism_task_each_pals_period_~side2~2;read_active_side_history_#in~index := 0;havoc read_active_side_history_#res;havoc read_active_side_history_~index;read_active_side_history_~index := read_active_side_history_#in~index; 2344#L148 assume 0 == read_active_side_history_~index % 256;read_active_side_history_#res := ~active_side_History_0~0; 2343#L158 Pendulum_prism_task_each_pals_period_#t~ret26 := read_active_side_history_#res;Pendulum_prism_task_each_pals_period_~tmp~2 := Pendulum_prism_task_each_pals_period_#t~ret26;havoc Pendulum_prism_task_each_pals_period_#t~ret26;Pendulum_prism_task_each_pals_period_~active_side~0 := Pendulum_prism_task_each_pals_period_~tmp~2;Pendulum_prism_task_each_pals_period_~side1~2 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side1~2 := ~s1p_old~0;~s1p_old~0 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2 := ~s2p_old~0;~s2p_old~0 := ~nomsg~0; 2334#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2;Pendulum_prism_task_each_pals_period_~active_side~0 := 1; 2329#L408 write_active_side_history_#in~val := Pendulum_prism_task_each_pals_period_~active_side~0;havoc write_active_side_history_~val;write_active_side_history_~val := write_active_side_history_#in~val;~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; 2327#L140 ~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;havoc check_#res;havoc check_#t~ret27, check_#t~ret28, check_#t~ret29, check_#t~ret30, check_#t~ret31, check_#t~ret32, check_#t~ret33, check_#t~ret34, check_#t~ret35, check_#t~ret36, check_#t~ret37, check_#t~ret38, check_#t~ret39, check_#t~ret40, check_#t~ret41, check_#t~ret42, check_#t~ret43, check_#t~ret44, check_#t~ret45, check_#t~ret46, check_#t~ret47, check_~tmp~3, check_~tmp___0~0, check_~tmp___1~0, check_~tmp___2~0, check_~tmp___3~0, check_~tmp___4~0, check_~tmp___5~0, check_~tmp___6~0, check_~tmp___7~0, check_~tmp___8~0, check_~tmp___9~0, check_~tmp___10~0, check_~tmp___11~0, check_~tmp___12~0, check_~tmp___13~0, check_~tmp___14~0, check_~tmp___15~0, check_~tmp___16~0, check_~tmp___17~0, check_~tmp___18~0, check_~tmp___19~0, check_~tmp___20~0;havoc check_~tmp~3;havoc check_~tmp___0~0;havoc check_~tmp___1~0;havoc check_~tmp___2~0;havoc check_~tmp___3~0;havoc check_~tmp___4~0;havoc check_~tmp___5~0;havoc check_~tmp___6~0;havoc check_~tmp___7~0;havoc check_~tmp___8~0;havoc check_~tmp___9~0;havoc check_~tmp___10~0;havoc check_~tmp___11~0;havoc check_~tmp___12~0;havoc check_~tmp___13~0;havoc check_~tmp___14~0;havoc check_~tmp___15~0;havoc check_~tmp___16~0;havoc check_~tmp___17~0;havoc check_~tmp___18~0;havoc check_~tmp___19~0;havoc check_~tmp___20~0; 2325#L447 assume !(0 == ~side1Failed~0 % 256); 2211#L450 assume !(0 == ~side2Failed~0 % 256);check_~tmp~3 := 0; 2102#L450-2 assume_abort_if_not_#in~cond := (if 0 == check_~tmp~3 then 0 else 1) % 256;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 2103#L58-2 assume !(0 == assume_abort_if_not_~cond); 2094#L57-1 read_manual_selection_history_#in~index := 1;havoc read_manual_selection_history_#res;havoc read_manual_selection_history_~index;read_manual_selection_history_~index := read_manual_selection_history_#in~index; 2095#L178 assume 0 == read_manual_selection_history_~index % 256;read_manual_selection_history_#res := ~manual_selection_History_0~0; 2096#L188 check_#t~ret27 := read_manual_selection_history_#res;check_~tmp___0~0 := check_#t~ret27;havoc check_#t~ret27; 2097#L457 assume !(0 == check_~tmp___0~0); 2064#L457-1 read_side1_failed_history_#in~index := 1;havoc read_side1_failed_history_#res;havoc read_side1_failed_history_~index;read_side1_failed_history_~index := read_side1_failed_history_#in~index; 2089#L88-2 assume 0 == read_side1_failed_history_~index % 256;read_side1_failed_history_#res := ~side1Failed_History_0~0; 2090#L98-2 check_#t~ret32 := read_side1_failed_history_#res;check_~tmp___7~0 := check_#t~ret32;havoc check_#t~ret32; 2274#L487 assume 0 != check_~tmp___7~0 % 256;read_side2_failed_history_#in~index := 1;havoc read_side2_failed_history_#res;havoc read_side2_failed_history_~index;read_side2_failed_history_~index := read_side2_failed_history_#in~index; 2162#L118-2 assume 0 == read_side2_failed_history_~index % 256;read_side2_failed_history_#res := ~side2Failed_History_0~0; 2163#L128-2 check_#t~ret33 := read_side2_failed_history_#res;check_~tmp___8~0 := check_#t~ret33;havoc check_#t~ret33; 2321#L489 assume 0 == check_~tmp___8~0 % 256;read_active_side_history_#in~index := 0;havoc read_active_side_history_#res;havoc read_active_side_history_~index;read_active_side_history_~index := read_active_side_history_#in~index; 2319#L148-1 assume 0 == read_active_side_history_~index % 256;read_active_side_history_#res := ~active_side_History_0~0; 2215#L158-1 check_#t~ret34 := read_active_side_history_#res;check_~tmp___5~0 := check_#t~ret34;havoc check_#t~ret34; 2068#L491 assume !(2 == check_~tmp___5~0);check_#res := 0; 2069#L537 main_#t~ret65 := check_#res;main_~c1~0 := main_#t~ret65;havoc main_#t~ret65;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 2199#L616-44 assume !(0 == assert_~arg % 256); 2256#L611-22 [2021-11-09 08:32:01,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:32:01,145 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 3 times [2021-11-09 08:32:01,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:32:01,146 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775584922] [2021-11-09 08:32:01,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:32:01,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:32:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:32:01,174 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:32:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:32:01,231 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:32:01,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:32:01,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1128556623, now seen corresponding path program 1 times [2021-11-09 08:32:01,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:32:01,235 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564907907] [2021-11-09 08:32:01,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:32:01,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:32:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:32:01,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:32:01,314 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:32:01,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564907907] [2021-11-09 08:32:01,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564907907] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:32:01,315 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:32:01,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:32:01,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985857306] [2021-11-09 08:32:01,316 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 08:32:01,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:32:01,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:32:01,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:32:01,318 INFO L87 Difference]: Start difference. First operand 318 states and 481 transitions. cyclomatic complexity: 164 Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2021-11-09 08:32:01,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:32:01,340 INFO L93 Difference]: Finished difference Result 461 states and 695 transitions. [2021-11-09 08:32:01,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:32:01,346 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 461 states and 695 transitions. [2021-11-09 08:32:01,351 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 444 [2021-11-09 08:32:01,356 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 461 states to 461 states and 695 transitions. [2021-11-09 08:32:01,356 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 461 [2021-11-09 08:32:01,357 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 461 [2021-11-09 08:32:01,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 461 states and 695 transitions. [2021-11-09 08:32:01,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:32:01,358 INFO L681 BuchiCegarLoop]: Abstraction has 461 states and 695 transitions. [2021-11-09 08:32:01,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states and 695 transitions. [2021-11-09 08:32:01,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 315. [2021-11-09 08:32:01,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 315 states have (on average 1.507936507936508) internal successors, (475), 314 states have internal predecessors, (475), 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) [2021-11-09 08:32:01,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 475 transitions. [2021-11-09 08:32:01,373 INFO L704 BuchiCegarLoop]: Abstraction has 315 states and 475 transitions. [2021-11-09 08:32:01,373 INFO L587 BuchiCegarLoop]: Abstraction has 315 states and 475 transitions. [2021-11-09 08:32:01,373 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-09 08:32:01,373 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 315 states and 475 transitions. [2021-11-09 08:32:01,375 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 298 [2021-11-09 08:32:01,375 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:32:01,375 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:32:01,377 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:32:01,377 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] [2021-11-09 08:32:01,378 INFO L791 eck$LassoCheckResult]: Stem: 3090#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(54);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 3065#L-1 havoc main_#res;havoc main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~nondet59, main_#t~nondet60, main_#t~nondet61, main_#t~nondet62, main_#t~nondet63, main_#t~ret64, main_#t~ret65, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~side1Failed~0 := main_#t~nondet48;havoc main_#t~nondet48;~side2Failed~0 := main_#t~nondet49;havoc main_#t~nondet49;~side1_written~0 := main_#t~nondet50;havoc main_#t~nondet50;~side2_written~0 := main_#t~nondet51;havoc main_#t~nondet51;~side1Failed_History_0~0 := main_#t~nondet52;havoc main_#t~nondet52;~side1Failed_History_1~0 := main_#t~nondet53;havoc main_#t~nondet53;~side1Failed_History_2~0 := main_#t~nondet54;havoc main_#t~nondet54;~side2Failed_History_0~0 := main_#t~nondet55;havoc main_#t~nondet55;~side2Failed_History_1~0 := main_#t~nondet56;havoc main_#t~nondet56;~side2Failed_History_2~0 := main_#t~nondet57;havoc main_#t~nondet57;~active_side_History_0~0 := main_#t~nondet58;havoc main_#t~nondet58;~active_side_History_1~0 := main_#t~nondet59;havoc main_#t~nondet59;~active_side_History_2~0 := main_#t~nondet60;havoc main_#t~nondet60;~manual_selection_History_0~0 := main_#t~nondet61;havoc main_#t~nondet61;~manual_selection_History_1~0 := main_#t~nondet62;havoc main_#t~nondet62;~manual_selection_History_2~0 := main_#t~nondet63;havoc main_#t~nondet63;havoc init_#res; 2964#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 2965#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 2894#L203 assume !(-2 != ~active_side_History_0~0); 2895#L206 assume !(0 != ~manual_selection_History_0~0); 2911#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 3080#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 3031#L215 assume !(-2 != ~active_side_History_1~0); 3032#L218 assume !(0 != ~manual_selection_History_1~0); 3067#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 3084#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 2996#L227 assume !(-2 != ~active_side_History_2~0); 2997#L230 assume !(0 != ~manual_selection_History_2~0);init_#res := 1; 2953#L233 main_#t~ret64 := init_#res;main_~i2~0 := main_#t~ret64;havoc main_#t~ret64;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 2954#L58 assume !(0 == assume_abort_if_not_~cond); 3033#L57 ~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 := 0; 3034#L611-22 [2021-11-09 08:32:01,380 INFO L793 eck$LassoCheckResult]: Loop: 3034#L611-22 assume !false;havoc Console_task_each_pals_period_#t~nondet7, Console_task_each_pals_period_#t~ite8, Console_task_each_pals_period_#t~ite9, Console_task_each_pals_period_~manual_selection~0, Console_task_each_pals_period_~tmp~1;havoc Console_task_each_pals_period_~manual_selection~0;havoc Console_task_each_pals_period_~tmp~1;Console_task_each_pals_period_~tmp~1 := Console_task_each_pals_period_#t~nondet7;havoc Console_task_each_pals_period_#t~nondet7;Console_task_each_pals_period_~manual_selection~0 := Console_task_each_pals_period_~tmp~1;write_manual_selection_history_#in~val := Console_task_each_pals_period_~manual_selection~0;havoc write_manual_selection_history_~val;write_manual_selection_history_~val := write_manual_selection_history_#in~val;~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; 3076#L170 assume Console_task_each_pals_period_~manual_selection~0 != ~nomsg~0 && ~cs1_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite8 := Console_task_each_pals_period_~manual_selection~0; 2866#L258-1 ~cs1_new~0 := (if Console_task_each_pals_period_#t~ite8 % 256 <= 127 then Console_task_each_pals_period_#t~ite8 % 256 else Console_task_each_pals_period_#t~ite8 % 256 - 256);havoc Console_task_each_pals_period_#t~ite8; 2867#L259 assume Console_task_each_pals_period_~manual_selection~0 != ~nomsg~0 && ~cs2_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite9 := Console_task_each_pals_period_~manual_selection~0; 3078#L259-2 ~cs2_new~0 := (if Console_task_each_pals_period_#t~ite9 % 256 <= 127 then Console_task_each_pals_period_#t~ite9 % 256 else Console_task_each_pals_period_#t~ite9 % 256 - 256);havoc Console_task_each_pals_period_#t~ite9;Console_task_each_pals_period_~manual_selection~0 := 0; 3039#L261 havoc Side1_activestandby_task_each_pals_period_#t~nondet10, Side1_activestandby_task_each_pals_period_#t~ite11, Side1_activestandby_task_each_pals_period_#t~ite12, Side1_activestandby_task_each_pals_period_#t~ite13, Side1_activestandby_task_each_pals_period_#t~ret14, Side1_activestandby_task_each_pals_period_#t~ite15, Side1_activestandby_task_each_pals_period_#t~ite16, Side1_activestandby_task_each_pals_period_#t~ite17, Side1_activestandby_task_each_pals_period_~side1~0, Side1_activestandby_task_each_pals_period_~side2~0, Side1_activestandby_task_each_pals_period_~manual_selection~1, Side1_activestandby_task_each_pals_period_~next_state~0;havoc Side1_activestandby_task_each_pals_period_~side1~0;havoc Side1_activestandby_task_each_pals_period_~side2~0;havoc Side1_activestandby_task_each_pals_period_~manual_selection~1;havoc Side1_activestandby_task_each_pals_period_~next_state~0;Side1_activestandby_task_each_pals_period_~side1~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1 := 0;~side1Failed~0 := Side1_activestandby_task_each_pals_period_#t~nondet10;havoc Side1_activestandby_task_each_pals_period_#t~nondet10;write_side1_failed_history_#in~val := ~side1Failed~0;havoc write_side1_failed_history_~val;write_side1_failed_history_~val := write_side1_failed_history_#in~val;~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; 3040#L80 assume !(0 != ~side1Failed~0 % 256);Side1_activestandby_task_each_pals_period_~side1~0 := ~s1s1_old~0;~s1s1_old~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0 := ~s2s1_old~0;~s2s1_old~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1 := ~cs1_old~0;~cs1_old~0 := ~nomsg~0; 3024#L290 assume Side1_activestandby_task_each_pals_period_~side1~0 == Side1_activestandby_task_each_pals_period_~side2~0;Side1_activestandby_task_each_pals_period_~next_state~0 := 1; 2883#L309-1 assume Side1_activestandby_task_each_pals_period_~next_state~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0;Side1_activestandby_task_each_pals_period_#t~ite15 := Side1_activestandby_task_each_pals_period_~next_state~0; 2884#L314-1 ~s1s1_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite15 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite15 % 256 else Side1_activestandby_task_each_pals_period_#t~ite15 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite15; 2922#L315 assume Side1_activestandby_task_each_pals_period_~next_state~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0;Side1_activestandby_task_each_pals_period_#t~ite16 := Side1_activestandby_task_each_pals_period_~next_state~0; 2923#L315-2 ~s1s2_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite16 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite16 % 256 else Side1_activestandby_task_each_pals_period_#t~ite16 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite16; 3085#L316 assume Side1_activestandby_task_each_pals_period_~next_state~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0;Side1_activestandby_task_each_pals_period_#t~ite17 := Side1_activestandby_task_each_pals_period_~next_state~0; 3081#L316-2 ~s1p_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite17 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite17 % 256 else Side1_activestandby_task_each_pals_period_#t~ite17 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite17;~side1_written~0 := Side1_activestandby_task_each_pals_period_~next_state~0; 3082#L318 havoc Side2_activestandby_task_each_pals_period_#t~nondet18, Side2_activestandby_task_each_pals_period_#t~ite19, Side2_activestandby_task_each_pals_period_#t~ite20, Side2_activestandby_task_each_pals_period_#t~ite21, Side2_activestandby_task_each_pals_period_#t~ret22, Side2_activestandby_task_each_pals_period_#t~ite23, Side2_activestandby_task_each_pals_period_#t~ite24, Side2_activestandby_task_each_pals_period_#t~ite25, Side2_activestandby_task_each_pals_period_~side1~1, Side2_activestandby_task_each_pals_period_~side2~1, Side2_activestandby_task_each_pals_period_~manual_selection~2, Side2_activestandby_task_each_pals_period_~next_state~1;havoc Side2_activestandby_task_each_pals_period_~side1~1;havoc Side2_activestandby_task_each_pals_period_~side2~1;havoc Side2_activestandby_task_each_pals_period_~manual_selection~2;havoc Side2_activestandby_task_each_pals_period_~next_state~1;Side2_activestandby_task_each_pals_period_~side1~1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~side2~1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~manual_selection~2 := 0;~side2Failed~0 := Side2_activestandby_task_each_pals_period_#t~nondet18;havoc Side2_activestandby_task_each_pals_period_#t~nondet18;write_side2_failed_history_#in~val := ~side2Failed~0;havoc write_side2_failed_history_~val;write_side2_failed_history_~val := write_side2_failed_history_#in~val;~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; 3159#L110 assume 0 != ~side2Failed~0 % 256; 3158#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite19 := ~s2s1_new~0; 3157#L335-2 ~s2s1_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite19 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite19 % 256 else Side2_activestandby_task_each_pals_period_#t~ite19 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite19; 3156#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite20 := ~s2s2_new~0; 3155#L336-2 ~s2s2_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite20 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite20 % 256 else Side2_activestandby_task_each_pals_period_#t~ite20 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite20; 3154#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite21 := ~s2p_new~0; 3153#L337-2 ~s2p_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite21 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite21 % 256 else Side2_activestandby_task_each_pals_period_#t~ite21 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite21;~side2_written~0 := ~nomsg~0; 3152#L375 havoc Pendulum_prism_task_each_pals_period_#t~ret26, Pendulum_prism_task_each_pals_period_~active_side~0, Pendulum_prism_task_each_pals_period_~tmp~2, Pendulum_prism_task_each_pals_period_~side1~2, Pendulum_prism_task_each_pals_period_~side2~2;havoc Pendulum_prism_task_each_pals_period_~active_side~0;havoc Pendulum_prism_task_each_pals_period_~tmp~2;havoc Pendulum_prism_task_each_pals_period_~side1~2;havoc Pendulum_prism_task_each_pals_period_~side2~2;read_active_side_history_#in~index := 0;havoc read_active_side_history_#res;havoc read_active_side_history_~index;read_active_side_history_~index := read_active_side_history_#in~index; 3147#L148 assume 0 == read_active_side_history_~index % 256;read_active_side_history_#res := ~active_side_History_0~0; 3146#L158 Pendulum_prism_task_each_pals_period_#t~ret26 := read_active_side_history_#res;Pendulum_prism_task_each_pals_period_~tmp~2 := Pendulum_prism_task_each_pals_period_#t~ret26;havoc Pendulum_prism_task_each_pals_period_#t~ret26;Pendulum_prism_task_each_pals_period_~active_side~0 := Pendulum_prism_task_each_pals_period_~tmp~2;Pendulum_prism_task_each_pals_period_~side1~2 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side1~2 := ~s1p_old~0;~s1p_old~0 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2 := ~s2p_old~0;~s2p_old~0 := ~nomsg~0; 3107#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2;Pendulum_prism_task_each_pals_period_~active_side~0 := 1; 3097#L408 write_active_side_history_#in~val := Pendulum_prism_task_each_pals_period_~active_side~0;havoc write_active_side_history_~val;write_active_side_history_~val := write_active_side_history_#in~val;~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; 3095#L140 ~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;havoc check_#res;havoc check_#t~ret27, check_#t~ret28, check_#t~ret29, check_#t~ret30, check_#t~ret31, check_#t~ret32, check_#t~ret33, check_#t~ret34, check_#t~ret35, check_#t~ret36, check_#t~ret37, check_#t~ret38, check_#t~ret39, check_#t~ret40, check_#t~ret41, check_#t~ret42, check_#t~ret43, check_#t~ret44, check_#t~ret45, check_#t~ret46, check_#t~ret47, check_~tmp~3, check_~tmp___0~0, check_~tmp___1~0, check_~tmp___2~0, check_~tmp___3~0, check_~tmp___4~0, check_~tmp___5~0, check_~tmp___6~0, check_~tmp___7~0, check_~tmp___8~0, check_~tmp___9~0, check_~tmp___10~0, check_~tmp___11~0, check_~tmp___12~0, check_~tmp___13~0, check_~tmp___14~0, check_~tmp___15~0, check_~tmp___16~0, check_~tmp___17~0, check_~tmp___18~0, check_~tmp___19~0, check_~tmp___20~0;havoc check_~tmp~3;havoc check_~tmp___0~0;havoc check_~tmp___1~0;havoc check_~tmp___2~0;havoc check_~tmp___3~0;havoc check_~tmp___4~0;havoc check_~tmp___5~0;havoc check_~tmp___6~0;havoc check_~tmp___7~0;havoc check_~tmp___8~0;havoc check_~tmp___9~0;havoc check_~tmp___10~0;havoc check_~tmp___11~0;havoc check_~tmp___12~0;havoc check_~tmp___13~0;havoc check_~tmp___14~0;havoc check_~tmp___15~0;havoc check_~tmp___16~0;havoc check_~tmp___17~0;havoc check_~tmp___18~0;havoc check_~tmp___19~0;havoc check_~tmp___20~0; 3092#L447 assume 0 == ~side1Failed~0 % 256;check_~tmp~3 := 1; 2887#L450-2 assume_abort_if_not_#in~cond := (if 0 == check_~tmp~3 then 0 else 1) % 256;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 2888#L58-2 assume !(0 == assume_abort_if_not_~cond); 2879#L57-1 read_manual_selection_history_#in~index := 1;havoc read_manual_selection_history_#res;havoc read_manual_selection_history_~index;read_manual_selection_history_~index := read_manual_selection_history_#in~index; 2880#L178 assume !(0 == read_manual_selection_history_~index % 256); 2898#L181 assume 1 == read_manual_selection_history_~index % 256;read_manual_selection_history_#res := ~manual_selection_History_1~0; 2881#L188 check_#t~ret27 := read_manual_selection_history_#res;check_~tmp___0~0 := check_#t~ret27;havoc check_#t~ret27; 2882#L457 assume !(0 == check_~tmp___0~0); 2849#L457-1 read_side1_failed_history_#in~index := 1;havoc read_side1_failed_history_#res;havoc read_side1_failed_history_~index;read_side1_failed_history_~index := read_side1_failed_history_#in~index; 2874#L88-2 assume 0 == read_side1_failed_history_~index % 256;read_side1_failed_history_#res := ~side1Failed_History_0~0; 2875#L98-2 check_#t~ret32 := read_side1_failed_history_#res;check_~tmp___7~0 := check_#t~ret32;havoc check_#t~ret32; 3051#L487 assume 0 != check_~tmp___7~0 % 256;read_side2_failed_history_#in~index := 1;havoc read_side2_failed_history_#res;havoc read_side2_failed_history_~index;read_side2_failed_history_~index := read_side2_failed_history_#in~index; 2945#L118-2 assume 0 == read_side2_failed_history_~index % 256;read_side2_failed_history_#res := ~side2Failed_History_0~0; 2946#L128-2 check_#t~ret33 := read_side2_failed_history_#res;check_~tmp___8~0 := check_#t~ret33;havoc check_#t~ret33; 3089#L489 assume 0 == check_~tmp___8~0 % 256;read_active_side_history_#in~index := 0;havoc read_active_side_history_#res;havoc read_active_side_history_~index;read_active_side_history_~index := read_active_side_history_#in~index; 3088#L148-1 assume 0 == read_active_side_history_~index % 256;read_active_side_history_#res := ~active_side_History_0~0; 2994#L158-1 check_#t~ret34 := read_active_side_history_#res;check_~tmp___5~0 := check_#t~ret34;havoc check_#t~ret34; 2853#L491 assume !(2 == check_~tmp___5~0);check_#res := 0; 2854#L537 main_#t~ret65 := check_#res;main_~c1~0 := main_#t~ret65;havoc main_#t~ret65;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 2978#L616-44 assume !(0 == assert_~arg % 256); 3034#L611-22 [2021-11-09 08:32:01,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:32:01,381 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 4 times [2021-11-09 08:32:01,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:32:01,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197894825] [2021-11-09 08:32:01,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:32:01,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:32:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:32:01,417 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:32:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:32:01,465 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:32:01,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:32:01,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1954863946, now seen corresponding path program 1 times [2021-11-09 08:32:01,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:32:01,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162723710] [2021-11-09 08:32:01,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:32:01,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:32:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:32:01,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:32:01,540 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:32:01,544 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162723710] [2021-11-09 08:32:01,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162723710] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:32:01,545 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:32:01,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:32:01,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762811056] [2021-11-09 08:32:01,546 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 08:32:01,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:32:01,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:32:01,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:32:01,548 INFO L87 Difference]: Start difference. First operand 315 states and 475 transitions. cyclomatic complexity: 161 Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2021-11-09 08:32:01,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:32:01,613 INFO L93 Difference]: Finished difference Result 469 states and 700 transitions. [2021-11-09 08:32:01,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:32:01,614 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 469 states and 700 transitions. [2021-11-09 08:32:01,619 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 452 [2021-11-09 08:32:01,624 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 469 states to 469 states and 700 transitions. [2021-11-09 08:32:01,624 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 469 [2021-11-09 08:32:01,625 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 469 [2021-11-09 08:32:01,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 469 states and 700 transitions. [2021-11-09 08:32:01,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:32:01,626 INFO L681 BuchiCegarLoop]: Abstraction has 469 states and 700 transitions. [2021-11-09 08:32:01,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states and 700 transitions. [2021-11-09 08:32:01,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 303. [2021-11-09 08:32:01,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 303 states have (on average 1.4884488448844884) internal successors, (451), 302 states have internal predecessors, (451), 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) [2021-11-09 08:32:01,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 451 transitions. [2021-11-09 08:32:01,636 INFO L704 BuchiCegarLoop]: Abstraction has 303 states and 451 transitions. [2021-11-09 08:32:01,636 INFO L587 BuchiCegarLoop]: Abstraction has 303 states and 451 transitions. [2021-11-09 08:32:01,637 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-09 08:32:01,637 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 303 states and 451 transitions. [2021-11-09 08:32:01,640 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 286 [2021-11-09 08:32:01,640 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:32:01,640 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:32:01,642 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:32:01,642 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] [2021-11-09 08:32:01,642 INFO L791 eck$LassoCheckResult]: Stem: 3872#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(54);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 3846#L-1 havoc main_#res;havoc main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~nondet59, main_#t~nondet60, main_#t~nondet61, main_#t~nondet62, main_#t~nondet63, main_#t~ret64, main_#t~ret65, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~side1Failed~0 := main_#t~nondet48;havoc main_#t~nondet48;~side2Failed~0 := main_#t~nondet49;havoc main_#t~nondet49;~side1_written~0 := main_#t~nondet50;havoc main_#t~nondet50;~side2_written~0 := main_#t~nondet51;havoc main_#t~nondet51;~side1Failed_History_0~0 := main_#t~nondet52;havoc main_#t~nondet52;~side1Failed_History_1~0 := main_#t~nondet53;havoc main_#t~nondet53;~side1Failed_History_2~0 := main_#t~nondet54;havoc main_#t~nondet54;~side2Failed_History_0~0 := main_#t~nondet55;havoc main_#t~nondet55;~side2Failed_History_1~0 := main_#t~nondet56;havoc main_#t~nondet56;~side2Failed_History_2~0 := main_#t~nondet57;havoc main_#t~nondet57;~active_side_History_0~0 := main_#t~nondet58;havoc main_#t~nondet58;~active_side_History_1~0 := main_#t~nondet59;havoc main_#t~nondet59;~active_side_History_2~0 := main_#t~nondet60;havoc main_#t~nondet60;~manual_selection_History_0~0 := main_#t~nondet61;havoc main_#t~nondet61;~manual_selection_History_1~0 := main_#t~nondet62;havoc main_#t~nondet62;~manual_selection_History_2~0 := main_#t~nondet63;havoc main_#t~nondet63;havoc init_#res; 3749#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 3750#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 3681#L203 assume !(-2 != ~active_side_History_0~0); 3682#L206 assume !(0 != ~manual_selection_History_0~0); 3698#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 3860#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 3809#L215 assume !(-2 != ~active_side_History_1~0); 3810#L218 assume !(0 != ~manual_selection_History_1~0); 3848#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 3865#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 3780#L227 assume !(-2 != ~active_side_History_2~0); 3781#L230 assume !(0 != ~manual_selection_History_2~0);init_#res := 1; 3738#L233 main_#t~ret64 := init_#res;main_~i2~0 := main_#t~ret64;havoc main_#t~ret64;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 3739#L58 assume !(0 == assume_abort_if_not_~cond); 3811#L57 ~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 := 0; 3812#L611-22 [2021-11-09 08:32:01,643 INFO L793 eck$LassoCheckResult]: Loop: 3812#L611-22 assume !false;havoc Console_task_each_pals_period_#t~nondet7, Console_task_each_pals_period_#t~ite8, Console_task_each_pals_period_#t~ite9, Console_task_each_pals_period_~manual_selection~0, Console_task_each_pals_period_~tmp~1;havoc Console_task_each_pals_period_~manual_selection~0;havoc Console_task_each_pals_period_~tmp~1;Console_task_each_pals_period_~tmp~1 := Console_task_each_pals_period_#t~nondet7;havoc Console_task_each_pals_period_#t~nondet7;Console_task_each_pals_period_~manual_selection~0 := Console_task_each_pals_period_~tmp~1;write_manual_selection_history_#in~val := Console_task_each_pals_period_~manual_selection~0;havoc write_manual_selection_history_~val;write_manual_selection_history_~val := write_manual_selection_history_#in~val;~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; 3856#L170 assume Console_task_each_pals_period_~manual_selection~0 != ~nomsg~0 && ~cs1_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite8 := Console_task_each_pals_period_~manual_selection~0; 3656#L258-1 ~cs1_new~0 := (if Console_task_each_pals_period_#t~ite8 % 256 <= 127 then Console_task_each_pals_period_#t~ite8 % 256 else Console_task_each_pals_period_#t~ite8 % 256 - 256);havoc Console_task_each_pals_period_#t~ite8; 3657#L259 assume Console_task_each_pals_period_~manual_selection~0 != ~nomsg~0 && ~cs2_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite9 := Console_task_each_pals_period_~manual_selection~0; 3858#L259-2 ~cs2_new~0 := (if Console_task_each_pals_period_#t~ite9 % 256 <= 127 then Console_task_each_pals_period_#t~ite9 % 256 else Console_task_each_pals_period_#t~ite9 % 256 - 256);havoc Console_task_each_pals_period_#t~ite9;Console_task_each_pals_period_~manual_selection~0 := 0; 3817#L261 havoc Side1_activestandby_task_each_pals_period_#t~nondet10, Side1_activestandby_task_each_pals_period_#t~ite11, Side1_activestandby_task_each_pals_period_#t~ite12, Side1_activestandby_task_each_pals_period_#t~ite13, Side1_activestandby_task_each_pals_period_#t~ret14, Side1_activestandby_task_each_pals_period_#t~ite15, Side1_activestandby_task_each_pals_period_#t~ite16, Side1_activestandby_task_each_pals_period_#t~ite17, Side1_activestandby_task_each_pals_period_~side1~0, Side1_activestandby_task_each_pals_period_~side2~0, Side1_activestandby_task_each_pals_period_~manual_selection~1, Side1_activestandby_task_each_pals_period_~next_state~0;havoc Side1_activestandby_task_each_pals_period_~side1~0;havoc Side1_activestandby_task_each_pals_period_~side2~0;havoc Side1_activestandby_task_each_pals_period_~manual_selection~1;havoc Side1_activestandby_task_each_pals_period_~next_state~0;Side1_activestandby_task_each_pals_period_~side1~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1 := 0;~side1Failed~0 := Side1_activestandby_task_each_pals_period_#t~nondet10;havoc Side1_activestandby_task_each_pals_period_#t~nondet10;write_side1_failed_history_#in~val := ~side1Failed~0;havoc write_side1_failed_history_~val;write_side1_failed_history_~val := write_side1_failed_history_#in~val;~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; 3818#L80 assume 0 != ~side1Failed~0 % 256; 3814#L278 assume !(~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite11 := ~s1s1_new~0; 3815#L278-2 ~s1s1_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite11 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite11 % 256 else Side1_activestandby_task_each_pals_period_#t~ite11 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite11; 3722#L279 assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite12 := ~s1s2_new~0; 3692#L279-2 ~s1s2_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite12 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite12 % 256 else Side1_activestandby_task_each_pals_period_#t~ite12 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite12; 3693#L280 assume !(~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite13 := ~s1p_new~0; 3787#L280-2 ~s1p_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite13 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite13 % 256 else Side1_activestandby_task_each_pals_period_#t~ite13 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite13;~side1_written~0 := ~nomsg~0; 3788#L318 havoc Side2_activestandby_task_each_pals_period_#t~nondet18, Side2_activestandby_task_each_pals_period_#t~ite19, Side2_activestandby_task_each_pals_period_#t~ite20, Side2_activestandby_task_each_pals_period_#t~ite21, Side2_activestandby_task_each_pals_period_#t~ret22, Side2_activestandby_task_each_pals_period_#t~ite23, Side2_activestandby_task_each_pals_period_#t~ite24, Side2_activestandby_task_each_pals_period_#t~ite25, Side2_activestandby_task_each_pals_period_~side1~1, Side2_activestandby_task_each_pals_period_~side2~1, Side2_activestandby_task_each_pals_period_~manual_selection~2, Side2_activestandby_task_each_pals_period_~next_state~1;havoc Side2_activestandby_task_each_pals_period_~side1~1;havoc Side2_activestandby_task_each_pals_period_~side2~1;havoc Side2_activestandby_task_each_pals_period_~manual_selection~2;havoc Side2_activestandby_task_each_pals_period_~next_state~1;Side2_activestandby_task_each_pals_period_~side1~1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~side2~1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~manual_selection~2 := 0;~side2Failed~0 := Side2_activestandby_task_each_pals_period_#t~nondet18;havoc Side2_activestandby_task_each_pals_period_#t~nondet18;write_side2_failed_history_#in~val := ~side2Failed~0;havoc write_side2_failed_history_~val;write_side2_failed_history_~val := write_side2_failed_history_#in~val;~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; 3909#L110 assume 0 != ~side2Failed~0 % 256; 3908#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite19 := ~s2s1_new~0; 3907#L335-2 ~s2s1_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite19 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite19 % 256 else Side2_activestandby_task_each_pals_period_#t~ite19 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite19; 3906#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite20 := ~s2s2_new~0; 3905#L336-2 ~s2s2_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite20 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite20 % 256 else Side2_activestandby_task_each_pals_period_#t~ite20 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite20; 3904#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite21 := ~s2p_new~0; 3798#L337-2 ~s2p_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite21 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite21 % 256 else Side2_activestandby_task_each_pals_period_#t~ite21 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite21;~side2_written~0 := ~nomsg~0; 3799#L375 havoc Pendulum_prism_task_each_pals_period_#t~ret26, Pendulum_prism_task_each_pals_period_~active_side~0, Pendulum_prism_task_each_pals_period_~tmp~2, Pendulum_prism_task_each_pals_period_~side1~2, Pendulum_prism_task_each_pals_period_~side2~2;havoc Pendulum_prism_task_each_pals_period_~active_side~0;havoc Pendulum_prism_task_each_pals_period_~tmp~2;havoc Pendulum_prism_task_each_pals_period_~side1~2;havoc Pendulum_prism_task_each_pals_period_~side2~2;read_active_side_history_#in~index := 0;havoc read_active_side_history_#res;havoc read_active_side_history_~index;read_active_side_history_~index := read_active_side_history_#in~index; 3892#L148 assume 0 == read_active_side_history_~index % 256;read_active_side_history_#res := ~active_side_History_0~0; 3891#L158 Pendulum_prism_task_each_pals_period_#t~ret26 := read_active_side_history_#res;Pendulum_prism_task_each_pals_period_~tmp~2 := Pendulum_prism_task_each_pals_period_#t~ret26;havoc Pendulum_prism_task_each_pals_period_#t~ret26;Pendulum_prism_task_each_pals_period_~active_side~0 := Pendulum_prism_task_each_pals_period_~tmp~2;Pendulum_prism_task_each_pals_period_~side1~2 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side1~2 := ~s1p_old~0;~s1p_old~0 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2 := ~s2p_old~0;~s2p_old~0 := ~nomsg~0; 3888#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2;Pendulum_prism_task_each_pals_period_~active_side~0 := 1; 3878#L408 write_active_side_history_#in~val := Pendulum_prism_task_each_pals_period_~active_side~0;havoc write_active_side_history_~val;write_active_side_history_~val := write_active_side_history_#in~val;~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; 3876#L140 ~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;havoc check_#res;havoc check_#t~ret27, check_#t~ret28, check_#t~ret29, check_#t~ret30, check_#t~ret31, check_#t~ret32, check_#t~ret33, check_#t~ret34, check_#t~ret35, check_#t~ret36, check_#t~ret37, check_#t~ret38, check_#t~ret39, check_#t~ret40, check_#t~ret41, check_#t~ret42, check_#t~ret43, check_#t~ret44, check_#t~ret45, check_#t~ret46, check_#t~ret47, check_~tmp~3, check_~tmp___0~0, check_~tmp___1~0, check_~tmp___2~0, check_~tmp___3~0, check_~tmp___4~0, check_~tmp___5~0, check_~tmp___6~0, check_~tmp___7~0, check_~tmp___8~0, check_~tmp___9~0, check_~tmp___10~0, check_~tmp___11~0, check_~tmp___12~0, check_~tmp___13~0, check_~tmp___14~0, check_~tmp___15~0, check_~tmp___16~0, check_~tmp___17~0, check_~tmp___18~0, check_~tmp___19~0, check_~tmp___20~0;havoc check_~tmp~3;havoc check_~tmp___0~0;havoc check_~tmp___1~0;havoc check_~tmp___2~0;havoc check_~tmp___3~0;havoc check_~tmp___4~0;havoc check_~tmp___5~0;havoc check_~tmp___6~0;havoc check_~tmp___7~0;havoc check_~tmp___8~0;havoc check_~tmp___9~0;havoc check_~tmp___10~0;havoc check_~tmp___11~0;havoc check_~tmp___12~0;havoc check_~tmp___13~0;havoc check_~tmp___14~0;havoc check_~tmp___15~0;havoc check_~tmp___16~0;havoc check_~tmp___17~0;havoc check_~tmp___18~0;havoc check_~tmp___19~0;havoc check_~tmp___20~0; 3873#L447 assume !(0 == ~side1Failed~0 % 256); 3776#L450 assume !(0 == ~side2Failed~0 % 256);check_~tmp~3 := 0; 3674#L450-2 assume_abort_if_not_#in~cond := (if 0 == check_~tmp~3 then 0 else 1) % 256;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 3675#L58-2 assume !(0 == assume_abort_if_not_~cond); 3666#L57-1 read_manual_selection_history_#in~index := 1;havoc read_manual_selection_history_#res;havoc read_manual_selection_history_~index;read_manual_selection_history_~index := read_manual_selection_history_#in~index; 3667#L178 assume !(0 == read_manual_selection_history_~index % 256); 3685#L181 assume 1 == read_manual_selection_history_~index % 256;read_manual_selection_history_#res := ~manual_selection_History_1~0; 3668#L188 check_#t~ret27 := read_manual_selection_history_#res;check_~tmp___0~0 := check_#t~ret27;havoc check_#t~ret27; 3669#L457 assume !(0 == check_~tmp___0~0); 3639#L457-1 read_side1_failed_history_#in~index := 1;havoc read_side1_failed_history_#res;havoc read_side1_failed_history_~index;read_side1_failed_history_~index := read_side1_failed_history_#in~index; 3662#L88-2 assume !(0 == read_side1_failed_history_~index % 256); 3663#L91-2 assume 1 == read_side1_failed_history_~index % 256;read_side1_failed_history_#res := ~side1Failed_History_1~0; 3744#L98-2 check_#t~ret32 := read_side1_failed_history_#res;check_~tmp___7~0 := check_#t~ret32;havoc check_#t~ret32; 3830#L487 assume 0 != check_~tmp___7~0 % 256;read_side2_failed_history_#in~index := 1;havoc read_side2_failed_history_#res;havoc read_side2_failed_history_~index;read_side2_failed_history_~index := read_side2_failed_history_#in~index; 3730#L118-2 assume 0 == read_side2_failed_history_~index % 256;read_side2_failed_history_#res := ~side2Failed_History_0~0; 3731#L128-2 check_#t~ret33 := read_side2_failed_history_#res;check_~tmp___8~0 := check_#t~ret33;havoc check_#t~ret33; 3871#L489 assume 0 == check_~tmp___8~0 % 256;read_active_side_history_#in~index := 0;havoc read_active_side_history_#res;havoc read_active_side_history_~index;read_active_side_history_~index := read_active_side_history_#in~index; 3869#L148-1 assume 0 == read_active_side_history_~index % 256;read_active_side_history_#res := ~active_side_History_0~0; 3779#L158-1 check_#t~ret34 := read_active_side_history_#res;check_~tmp___5~0 := check_#t~ret34;havoc check_#t~ret34; 3643#L491 assume !(2 == check_~tmp___5~0);check_#res := 0; 3644#L537 main_#t~ret65 := check_#res;main_~c1~0 := main_#t~ret65;havoc main_#t~ret65;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 3763#L616-44 assume !(0 == assert_~arg % 256); 3812#L611-22 [2021-11-09 08:32:01,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:32:01,644 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 5 times [2021-11-09 08:32:01,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:32:01,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477640742] [2021-11-09 08:32:01,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:32:01,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:32:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:32:01,675 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:32:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:32:01,707 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:32:01,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:32:01,709 INFO L85 PathProgramCache]: Analyzing trace with hash -740034111, now seen corresponding path program 1 times [2021-11-09 08:32:01,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:32:01,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994455378] [2021-11-09 08:32:01,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:32:01,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:32:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:32:01,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:32:01,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:32:01,786 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994455378] [2021-11-09 08:32:01,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994455378] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:32:01,787 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:32:01,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:32:01,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033385415] [2021-11-09 08:32:01,789 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 08:32:01,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:32:01,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:32:01,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:32:01,790 INFO L87 Difference]: Start difference. First operand 303 states and 451 transitions. cyclomatic complexity: 149 Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2021-11-09 08:32:01,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:32:01,859 INFO L93 Difference]: Finished difference Result 487 states and 717 transitions. [2021-11-09 08:32:01,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:32:01,859 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 487 states and 717 transitions. [2021-11-09 08:32:01,865 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 470 [2021-11-09 08:32:01,870 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 487 states to 487 states and 717 transitions. [2021-11-09 08:32:01,871 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 487 [2021-11-09 08:32:01,871 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 487 [2021-11-09 08:32:01,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 487 states and 717 transitions. [2021-11-09 08:32:01,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:32:01,873 INFO L681 BuchiCegarLoop]: Abstraction has 487 states and 717 transitions. [2021-11-09 08:32:01,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states and 717 transitions. [2021-11-09 08:32:01,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 291. [2021-11-09 08:32:01,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 291 states have (on average 1.4673539518900343) internal successors, (427), 290 states have internal predecessors, (427), 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) [2021-11-09 08:32:01,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 427 transitions. [2021-11-09 08:32:01,882 INFO L704 BuchiCegarLoop]: Abstraction has 291 states and 427 transitions. [2021-11-09 08:32:01,882 INFO L587 BuchiCegarLoop]: Abstraction has 291 states and 427 transitions. [2021-11-09 08:32:01,882 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-09 08:32:01,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 291 states and 427 transitions. [2021-11-09 08:32:01,884 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 274 [2021-11-09 08:32:01,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:32:01,884 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:32:01,885 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:32:01,886 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] [2021-11-09 08:32:01,886 INFO L791 eck$LassoCheckResult]: Stem: 4652#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(54);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 4628#L-1 havoc main_#res;havoc main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~nondet59, main_#t~nondet60, main_#t~nondet61, main_#t~nondet62, main_#t~nondet63, main_#t~ret64, main_#t~ret65, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~side1Failed~0 := main_#t~nondet48;havoc main_#t~nondet48;~side2Failed~0 := main_#t~nondet49;havoc main_#t~nondet49;~side1_written~0 := main_#t~nondet50;havoc main_#t~nondet50;~side2_written~0 := main_#t~nondet51;havoc main_#t~nondet51;~side1Failed_History_0~0 := main_#t~nondet52;havoc main_#t~nondet52;~side1Failed_History_1~0 := main_#t~nondet53;havoc main_#t~nondet53;~side1Failed_History_2~0 := main_#t~nondet54;havoc main_#t~nondet54;~side2Failed_History_0~0 := main_#t~nondet55;havoc main_#t~nondet55;~side2Failed_History_1~0 := main_#t~nondet56;havoc main_#t~nondet56;~side2Failed_History_2~0 := main_#t~nondet57;havoc main_#t~nondet57;~active_side_History_0~0 := main_#t~nondet58;havoc main_#t~nondet58;~active_side_History_1~0 := main_#t~nondet59;havoc main_#t~nondet59;~active_side_History_2~0 := main_#t~nondet60;havoc main_#t~nondet60;~manual_selection_History_0~0 := main_#t~nondet61;havoc main_#t~nondet61;~manual_selection_History_1~0 := main_#t~nondet62;havoc main_#t~nondet62;~manual_selection_History_2~0 := main_#t~nondet63;havoc main_#t~nondet63;havoc init_#res; 4540#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 4541#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 4474#L203 assume !(-2 != ~active_side_History_0~0); 4475#L206 assume !(0 != ~manual_selection_History_0~0); 4491#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 4641#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 4594#L215 assume !(-2 != ~active_side_History_1~0); 4595#L218 assume !(0 != ~manual_selection_History_1~0); 4629#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 4645#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 4566#L227 assume !(-2 != ~active_side_History_2~0); 4567#L230 assume !(0 != ~manual_selection_History_2~0);init_#res := 1; 4531#L233 main_#t~ret64 := init_#res;main_~i2~0 := main_#t~ret64;havoc main_#t~ret64;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 4532#L58 assume !(0 == assume_abort_if_not_~cond); 4597#L57 ~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 := 0; 4598#L611-22 [2021-11-09 08:32:01,886 INFO L793 eck$LassoCheckResult]: Loop: 4598#L611-22 assume !false;havoc Console_task_each_pals_period_#t~nondet7, Console_task_each_pals_period_#t~ite8, Console_task_each_pals_period_#t~ite9, Console_task_each_pals_period_~manual_selection~0, Console_task_each_pals_period_~tmp~1;havoc Console_task_each_pals_period_~manual_selection~0;havoc Console_task_each_pals_period_~tmp~1;Console_task_each_pals_period_~tmp~1 := Console_task_each_pals_period_#t~nondet7;havoc Console_task_each_pals_period_#t~nondet7;Console_task_each_pals_period_~manual_selection~0 := Console_task_each_pals_period_~tmp~1;write_manual_selection_history_#in~val := Console_task_each_pals_period_~manual_selection~0;havoc write_manual_selection_history_~val;write_manual_selection_history_~val := write_manual_selection_history_#in~val;~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; 4637#L170 assume Console_task_each_pals_period_~manual_selection~0 != ~nomsg~0 && ~cs1_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite8 := Console_task_each_pals_period_~manual_selection~0; 4450#L258-1 ~cs1_new~0 := (if Console_task_each_pals_period_#t~ite8 % 256 <= 127 then Console_task_each_pals_period_#t~ite8 % 256 else Console_task_each_pals_period_#t~ite8 % 256 - 256);havoc Console_task_each_pals_period_#t~ite8; 4451#L259 assume Console_task_each_pals_period_~manual_selection~0 != ~nomsg~0 && ~cs2_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite9 := Console_task_each_pals_period_~manual_selection~0; 4638#L259-2 ~cs2_new~0 := (if Console_task_each_pals_period_#t~ite9 % 256 <= 127 then Console_task_each_pals_period_#t~ite9 % 256 else Console_task_each_pals_period_#t~ite9 % 256 - 256);havoc Console_task_each_pals_period_#t~ite9;Console_task_each_pals_period_~manual_selection~0 := 0; 4602#L261 havoc Side1_activestandby_task_each_pals_period_#t~nondet10, Side1_activestandby_task_each_pals_period_#t~ite11, Side1_activestandby_task_each_pals_period_#t~ite12, Side1_activestandby_task_each_pals_period_#t~ite13, Side1_activestandby_task_each_pals_period_#t~ret14, Side1_activestandby_task_each_pals_period_#t~ite15, Side1_activestandby_task_each_pals_period_#t~ite16, Side1_activestandby_task_each_pals_period_#t~ite17, Side1_activestandby_task_each_pals_period_~side1~0, Side1_activestandby_task_each_pals_period_~side2~0, Side1_activestandby_task_each_pals_period_~manual_selection~1, Side1_activestandby_task_each_pals_period_~next_state~0;havoc Side1_activestandby_task_each_pals_period_~side1~0;havoc Side1_activestandby_task_each_pals_period_~side2~0;havoc Side1_activestandby_task_each_pals_period_~manual_selection~1;havoc Side1_activestandby_task_each_pals_period_~next_state~0;Side1_activestandby_task_each_pals_period_~side1~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1 := 0;~side1Failed~0 := Side1_activestandby_task_each_pals_period_#t~nondet10;havoc Side1_activestandby_task_each_pals_period_#t~nondet10;write_side1_failed_history_#in~val := ~side1Failed~0;havoc write_side1_failed_history_~val;write_side1_failed_history_~val := write_side1_failed_history_#in~val;~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; 4603#L80 assume 0 != ~side1Failed~0 % 256; 4599#L278 assume !(~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite11 := ~s1s1_new~0; 4600#L278-2 ~s1s1_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite11 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite11 % 256 else Side1_activestandby_task_each_pals_period_#t~ite11 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite11; 4517#L279 assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite12 := ~s1s2_new~0; 4485#L279-2 ~s1s2_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite12 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite12 % 256 else Side1_activestandby_task_each_pals_period_#t~ite12 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite12; 4486#L280 assume !(~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite13 := ~s1p_new~0; 4572#L280-2 ~s1p_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite13 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite13 % 256 else Side1_activestandby_task_each_pals_period_#t~ite13 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite13;~side1_written~0 := ~nomsg~0; 4573#L318 havoc Side2_activestandby_task_each_pals_period_#t~nondet18, Side2_activestandby_task_each_pals_period_#t~ite19, Side2_activestandby_task_each_pals_period_#t~ite20, Side2_activestandby_task_each_pals_period_#t~ite21, Side2_activestandby_task_each_pals_period_#t~ret22, Side2_activestandby_task_each_pals_period_#t~ite23, Side2_activestandby_task_each_pals_period_#t~ite24, Side2_activestandby_task_each_pals_period_#t~ite25, Side2_activestandby_task_each_pals_period_~side1~1, Side2_activestandby_task_each_pals_period_~side2~1, Side2_activestandby_task_each_pals_period_~manual_selection~2, Side2_activestandby_task_each_pals_period_~next_state~1;havoc Side2_activestandby_task_each_pals_period_~side1~1;havoc Side2_activestandby_task_each_pals_period_~side2~1;havoc Side2_activestandby_task_each_pals_period_~manual_selection~2;havoc Side2_activestandby_task_each_pals_period_~next_state~1;Side2_activestandby_task_each_pals_period_~side1~1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~side2~1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~manual_selection~2 := 0;~side2Failed~0 := Side2_activestandby_task_each_pals_period_#t~nondet18;havoc Side2_activestandby_task_each_pals_period_#t~nondet18;write_side2_failed_history_#in~val := ~side2Failed~0;havoc write_side2_failed_history_~val;write_side2_failed_history_~val := write_side2_failed_history_#in~val;~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; 4536#L110 assume 0 != ~side2Failed~0 % 256; 4470#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite19 := ~s2s1_new~0; 4471#L335-2 ~s2s1_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite19 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite19 % 256 else Side2_activestandby_task_each_pals_period_#t~ite19 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite19; 4484#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite20 := ~s2s2_new~0; 4545#L336-2 ~s2s2_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite20 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite20 % 256 else Side2_activestandby_task_each_pals_period_#t~ite20 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite20; 4644#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite21 := ~s2p_new~0; 4583#L337-2 ~s2p_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite21 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite21 % 256 else Side2_activestandby_task_each_pals_period_#t~ite21 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite21;~side2_written~0 := ~nomsg~0; 4584#L375 havoc Pendulum_prism_task_each_pals_period_#t~ret26, Pendulum_prism_task_each_pals_period_~active_side~0, Pendulum_prism_task_each_pals_period_~tmp~2, Pendulum_prism_task_each_pals_period_~side1~2, Pendulum_prism_task_each_pals_period_~side2~2;havoc Pendulum_prism_task_each_pals_period_~active_side~0;havoc Pendulum_prism_task_each_pals_period_~tmp~2;havoc Pendulum_prism_task_each_pals_period_~side1~2;havoc Pendulum_prism_task_each_pals_period_~side2~2;read_active_side_history_#in~index := 0;havoc read_active_side_history_#res;havoc read_active_side_history_~index;read_active_side_history_~index := read_active_side_history_#in~index; 4479#L148 assume 0 == read_active_side_history_~index % 256;read_active_side_history_#res := ~active_side_History_0~0; 4480#L158 Pendulum_prism_task_each_pals_period_#t~ret26 := read_active_side_history_#res;Pendulum_prism_task_each_pals_period_~tmp~2 := Pendulum_prism_task_each_pals_period_#t~ret26;havoc Pendulum_prism_task_each_pals_period_#t~ret26;Pendulum_prism_task_each_pals_period_~active_side~0 := Pendulum_prism_task_each_pals_period_~tmp~2;Pendulum_prism_task_each_pals_period_~side1~2 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side1~2 := ~s1p_old~0;~s1p_old~0 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2 := ~s2p_old~0;~s2p_old~0 := ~nomsg~0; 4614#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2;Pendulum_prism_task_each_pals_period_~active_side~0 := 1; 4445#L408 write_active_side_history_#in~val := Pendulum_prism_task_each_pals_period_~active_side~0;havoc write_active_side_history_~val;write_active_side_history_~val := write_active_side_history_#in~val;~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; 4521#L140 ~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;havoc check_#res;havoc check_#t~ret27, check_#t~ret28, check_#t~ret29, check_#t~ret30, check_#t~ret31, check_#t~ret32, check_#t~ret33, check_#t~ret34, check_#t~ret35, check_#t~ret36, check_#t~ret37, check_#t~ret38, check_#t~ret39, check_#t~ret40, check_#t~ret41, check_#t~ret42, check_#t~ret43, check_#t~ret44, check_#t~ret45, check_#t~ret46, check_#t~ret47, check_~tmp~3, check_~tmp___0~0, check_~tmp___1~0, check_~tmp___2~0, check_~tmp___3~0, check_~tmp___4~0, check_~tmp___5~0, check_~tmp___6~0, check_~tmp___7~0, check_~tmp___8~0, check_~tmp___9~0, check_~tmp___10~0, check_~tmp___11~0, check_~tmp___12~0, check_~tmp___13~0, check_~tmp___14~0, check_~tmp___15~0, check_~tmp___16~0, check_~tmp___17~0, check_~tmp___18~0, check_~tmp___19~0, check_~tmp___20~0;havoc check_~tmp~3;havoc check_~tmp___0~0;havoc check_~tmp___1~0;havoc check_~tmp___2~0;havoc check_~tmp___3~0;havoc check_~tmp___4~0;havoc check_~tmp___5~0;havoc check_~tmp___6~0;havoc check_~tmp___7~0;havoc check_~tmp___8~0;havoc check_~tmp___9~0;havoc check_~tmp___10~0;havoc check_~tmp___11~0;havoc check_~tmp___12~0;havoc check_~tmp___13~0;havoc check_~tmp___14~0;havoc check_~tmp___15~0;havoc check_~tmp___16~0;havoc check_~tmp___17~0;havoc check_~tmp___18~0;havoc check_~tmp___19~0;havoc check_~tmp___20~0; 4522#L447 assume !(0 == ~side1Failed~0 % 256); 4564#L450 assume !(0 == ~side2Failed~0 % 256);check_~tmp~3 := 0; 4468#L450-2 assume_abort_if_not_#in~cond := (if 0 == check_~tmp~3 then 0 else 1) % 256;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 4469#L58-2 assume !(0 == assume_abort_if_not_~cond); 4460#L57-1 read_manual_selection_history_#in~index := 1;havoc read_manual_selection_history_#res;havoc read_manual_selection_history_~index;read_manual_selection_history_~index := read_manual_selection_history_#in~index; 4461#L178 assume !(0 == read_manual_selection_history_~index % 256); 4478#L181 assume 1 == read_manual_selection_history_~index % 256;read_manual_selection_history_#res := ~manual_selection_History_1~0; 4462#L188 check_#t~ret27 := read_manual_selection_history_#res;check_~tmp___0~0 := check_#t~ret27;havoc check_#t~ret27; 4463#L457 assume !(0 == check_~tmp___0~0); 4435#L457-1 read_side1_failed_history_#in~index := 1;havoc read_side1_failed_history_#res;havoc read_side1_failed_history_~index;read_side1_failed_history_~index := read_side1_failed_history_#in~index; 4456#L88-2 assume !(0 == read_side1_failed_history_~index % 256); 4457#L91-2 assume 1 == read_side1_failed_history_~index % 256;read_side1_failed_history_#res := ~side1Failed_History_1~0; 4534#L98-2 check_#t~ret32 := read_side1_failed_history_#res;check_~tmp___7~0 := check_#t~ret32;havoc check_#t~ret32; 4615#L487 assume 0 != check_~tmp___7~0 % 256;read_side2_failed_history_#in~index := 1;havoc read_side2_failed_history_#res;havoc read_side2_failed_history_~index;read_side2_failed_history_~index := read_side2_failed_history_#in~index; 4523#L118-2 assume !(0 == read_side2_failed_history_~index % 256); 4524#L121-2 assume 1 == read_side2_failed_history_~index % 256;read_side2_failed_history_#res := ~side2Failed_History_1~0; 4608#L128-2 check_#t~ret33 := read_side2_failed_history_#res;check_~tmp___8~0 := check_#t~ret33;havoc check_#t~ret33; 4651#L489 assume 0 == check_~tmp___8~0 % 256;read_active_side_history_#in~index := 0;havoc read_active_side_history_#res;havoc read_active_side_history_~index;read_active_side_history_~index := read_active_side_history_#in~index; 4649#L148-1 assume 0 == read_active_side_history_~index % 256;read_active_side_history_#res := ~active_side_History_0~0; 4565#L158-1 check_#t~ret34 := read_active_side_history_#res;check_~tmp___5~0 := check_#t~ret34;havoc check_#t~ret34; 4439#L491 assume !(2 == check_~tmp___5~0);check_#res := 0; 4440#L537 main_#t~ret65 := check_#res;main_~c1~0 := main_#t~ret65;havoc main_#t~ret65;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 4550#L616-44 assume !(0 == assert_~arg % 256); 4598#L611-22 [2021-11-09 08:32:01,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:32:01,887 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 6 times [2021-11-09 08:32:01,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:32:01,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48128436] [2021-11-09 08:32:01,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:32:01,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:32:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:32:01,902 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:32:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:32:01,924 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:32:01,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:32:01,924 INFO L85 PathProgramCache]: Analyzing trace with hash -567140906, now seen corresponding path program 1 times [2021-11-09 08:32:01,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:32:01,925 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337815355] [2021-11-09 08:32:01,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:32:01,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:32:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:32:02,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:32:02,000 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:32:02,001 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337815355] [2021-11-09 08:32:02,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337815355] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:32:02,001 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:32:02,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:32:02,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704734756] [2021-11-09 08:32:02,002 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 08:32:02,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:32:02,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 08:32:02,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 08:32:02,003 INFO L87 Difference]: Start difference. First operand 291 states and 427 transitions. cyclomatic complexity: 137 Second operand has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 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) [2021-11-09 08:32:02,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:32:02,060 INFO L93 Difference]: Finished difference Result 277 states and 396 transitions. [2021-11-09 08:32:02,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 08:32:02,060 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 277 states and 396 transitions. [2021-11-09 08:32:02,063 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 242 [2021-11-09 08:32:02,066 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 277 states to 259 states and 371 transitions. [2021-11-09 08:32:02,066 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 259 [2021-11-09 08:32:02,066 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 259 [2021-11-09 08:32:02,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 259 states and 371 transitions. [2021-11-09 08:32:02,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:32:02,067 INFO L681 BuchiCegarLoop]: Abstraction has 259 states and 371 transitions. [2021-11-09 08:32:02,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states and 371 transitions. [2021-11-09 08:32:02,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2021-11-09 08:32:02,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 259 states have (on average 1.4324324324324325) internal successors, (371), 258 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) [2021-11-09 08:32:02,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 371 transitions. [2021-11-09 08:32:02,073 INFO L704 BuchiCegarLoop]: Abstraction has 259 states and 371 transitions. [2021-11-09 08:32:02,074 INFO L587 BuchiCegarLoop]: Abstraction has 259 states and 371 transitions. [2021-11-09 08:32:02,074 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-11-09 08:32:02,074 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 259 states and 371 transitions. [2021-11-09 08:32:02,076 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 242 [2021-11-09 08:32:02,076 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:32:02,076 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:32:02,077 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:32:02,077 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] [2021-11-09 08:32:02,077 INFO L791 eck$LassoCheckResult]: Stem: 5203#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(54);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 5182#L-1 havoc main_#res;havoc main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~nondet59, main_#t~nondet60, main_#t~nondet61, main_#t~nondet62, main_#t~nondet63, main_#t~ret64, main_#t~ret65, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~side1Failed~0 := main_#t~nondet48;havoc main_#t~nondet48;~side2Failed~0 := main_#t~nondet49;havoc main_#t~nondet49;~side1_written~0 := main_#t~nondet50;havoc main_#t~nondet50;~side2_written~0 := main_#t~nondet51;havoc main_#t~nondet51;~side1Failed_History_0~0 := main_#t~nondet52;havoc main_#t~nondet52;~side1Failed_History_1~0 := main_#t~nondet53;havoc main_#t~nondet53;~side1Failed_History_2~0 := main_#t~nondet54;havoc main_#t~nondet54;~side2Failed_History_0~0 := main_#t~nondet55;havoc main_#t~nondet55;~side2Failed_History_1~0 := main_#t~nondet56;havoc main_#t~nondet56;~side2Failed_History_2~0 := main_#t~nondet57;havoc main_#t~nondet57;~active_side_History_0~0 := main_#t~nondet58;havoc main_#t~nondet58;~active_side_History_1~0 := main_#t~nondet59;havoc main_#t~nondet59;~active_side_History_2~0 := main_#t~nondet60;havoc main_#t~nondet60;~manual_selection_History_0~0 := main_#t~nondet61;havoc main_#t~nondet61;~manual_selection_History_1~0 := main_#t~nondet62;havoc main_#t~nondet62;~manual_selection_History_2~0 := main_#t~nondet63;havoc main_#t~nondet63;havoc init_#res; 5102#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 5103#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 5045#L203 assume !(-2 != ~active_side_History_0~0); 5046#L206 assume !(0 != ~manual_selection_History_0~0); 5061#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 5193#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 5150#L215 assume !(-2 != ~active_side_History_1~0); 5151#L218 assume !(0 != ~manual_selection_History_1~0); 5184#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 5197#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 5126#L227 assume !(-2 != ~active_side_History_2~0); 5127#L230 assume !(0 != ~manual_selection_History_2~0);init_#res := 1; 5091#L233 main_#t~ret64 := init_#res;main_~i2~0 := main_#t~ret64;havoc main_#t~ret64;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 5092#L58 assume !(0 == assume_abort_if_not_~cond); 5152#L57 ~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 := 0; 5153#L611-22 [2021-11-09 08:32:02,078 INFO L793 eck$LassoCheckResult]: Loop: 5153#L611-22 assume !false;havoc Console_task_each_pals_period_#t~nondet7, Console_task_each_pals_period_#t~ite8, Console_task_each_pals_period_#t~ite9, Console_task_each_pals_period_~manual_selection~0, Console_task_each_pals_period_~tmp~1;havoc Console_task_each_pals_period_~manual_selection~0;havoc Console_task_each_pals_period_~tmp~1;Console_task_each_pals_period_~tmp~1 := Console_task_each_pals_period_#t~nondet7;havoc Console_task_each_pals_period_#t~nondet7;Console_task_each_pals_period_~manual_selection~0 := Console_task_each_pals_period_~tmp~1;write_manual_selection_history_#in~val := Console_task_each_pals_period_~manual_selection~0;havoc write_manual_selection_history_~val;write_manual_selection_history_~val := write_manual_selection_history_#in~val;~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; 5189#L170 assume Console_task_each_pals_period_~manual_selection~0 != ~nomsg~0 && ~cs1_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite8 := Console_task_each_pals_period_~manual_selection~0; 5023#L258-1 ~cs1_new~0 := (if Console_task_each_pals_period_#t~ite8 % 256 <= 127 then Console_task_each_pals_period_#t~ite8 % 256 else Console_task_each_pals_period_#t~ite8 % 256 - 256);havoc Console_task_each_pals_period_#t~ite8; 5024#L259 assume Console_task_each_pals_period_~manual_selection~0 != ~nomsg~0 && ~cs2_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite9 := Console_task_each_pals_period_~manual_selection~0; 5190#L259-2 ~cs2_new~0 := (if Console_task_each_pals_period_#t~ite9 % 256 <= 127 then Console_task_each_pals_period_#t~ite9 % 256 else Console_task_each_pals_period_#t~ite9 % 256 - 256);havoc Console_task_each_pals_period_#t~ite9;Console_task_each_pals_period_~manual_selection~0 := 0; 5158#L261 havoc Side1_activestandby_task_each_pals_period_#t~nondet10, Side1_activestandby_task_each_pals_period_#t~ite11, Side1_activestandby_task_each_pals_period_#t~ite12, Side1_activestandby_task_each_pals_period_#t~ite13, Side1_activestandby_task_each_pals_period_#t~ret14, Side1_activestandby_task_each_pals_period_#t~ite15, Side1_activestandby_task_each_pals_period_#t~ite16, Side1_activestandby_task_each_pals_period_#t~ite17, Side1_activestandby_task_each_pals_period_~side1~0, Side1_activestandby_task_each_pals_period_~side2~0, Side1_activestandby_task_each_pals_period_~manual_selection~1, Side1_activestandby_task_each_pals_period_~next_state~0;havoc Side1_activestandby_task_each_pals_period_~side1~0;havoc Side1_activestandby_task_each_pals_period_~side2~0;havoc Side1_activestandby_task_each_pals_period_~manual_selection~1;havoc Side1_activestandby_task_each_pals_period_~next_state~0;Side1_activestandby_task_each_pals_period_~side1~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1 := 0;~side1Failed~0 := Side1_activestandby_task_each_pals_period_#t~nondet10;havoc Side1_activestandby_task_each_pals_period_#t~nondet10;write_side1_failed_history_#in~val := ~side1Failed~0;havoc write_side1_failed_history_~val;write_side1_failed_history_~val := write_side1_failed_history_#in~val;~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; 5159#L80 assume 0 != ~side1Failed~0 % 256; 5155#L278 assume !(~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite11 := ~s1s1_new~0; 5156#L278-2 ~s1s1_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite11 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite11 % 256 else Side1_activestandby_task_each_pals_period_#t~ite11 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite11; 5079#L279 assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite12 := ~s1s2_new~0; 5056#L279-2 ~s1s2_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite12 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite12 % 256 else Side1_activestandby_task_each_pals_period_#t~ite12 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite12; 5057#L280 assume !(~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite13 := ~s1p_new~0; 5131#L280-2 ~s1p_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite13 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite13 % 256 else Side1_activestandby_task_each_pals_period_#t~ite13 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite13;~side1_written~0 := ~nomsg~0; 5132#L318 havoc Side2_activestandby_task_each_pals_period_#t~nondet18, Side2_activestandby_task_each_pals_period_#t~ite19, Side2_activestandby_task_each_pals_period_#t~ite20, Side2_activestandby_task_each_pals_period_#t~ite21, Side2_activestandby_task_each_pals_period_#t~ret22, Side2_activestandby_task_each_pals_period_#t~ite23, Side2_activestandby_task_each_pals_period_#t~ite24, Side2_activestandby_task_each_pals_period_#t~ite25, Side2_activestandby_task_each_pals_period_~side1~1, Side2_activestandby_task_each_pals_period_~side2~1, Side2_activestandby_task_each_pals_period_~manual_selection~2, Side2_activestandby_task_each_pals_period_~next_state~1;havoc Side2_activestandby_task_each_pals_period_~side1~1;havoc Side2_activestandby_task_each_pals_period_~side2~1;havoc Side2_activestandby_task_each_pals_period_~manual_selection~2;havoc Side2_activestandby_task_each_pals_period_~next_state~1;Side2_activestandby_task_each_pals_period_~side1~1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~side2~1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~manual_selection~2 := 0;~side2Failed~0 := Side2_activestandby_task_each_pals_period_#t~nondet18;havoc Side2_activestandby_task_each_pals_period_#t~nondet18;write_side2_failed_history_#in~val := ~side2Failed~0;havoc write_side2_failed_history_~val;write_side2_failed_history_~val := write_side2_failed_history_#in~val;~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; 5247#L110 assume 0 != ~side2Failed~0 % 256; 5041#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite19 := ~s2s1_new~0; 5042#L335-2 ~s2s1_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite19 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite19 % 256 else Side2_activestandby_task_each_pals_period_#t~ite19 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite19; 5055#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite20 := ~s2s2_new~0; 5109#L336-2 ~s2s2_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite20 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite20 % 256 else Side2_activestandby_task_each_pals_period_#t~ite20 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite20; 5196#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite21 := ~s2p_new~0; 5141#L337-2 ~s2p_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite21 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite21 % 256 else Side2_activestandby_task_each_pals_period_#t~ite21 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite21;~side2_written~0 := ~nomsg~0; 5142#L375 havoc Pendulum_prism_task_each_pals_period_#t~ret26, Pendulum_prism_task_each_pals_period_~active_side~0, Pendulum_prism_task_each_pals_period_~tmp~2, Pendulum_prism_task_each_pals_period_~side1~2, Pendulum_prism_task_each_pals_period_~side2~2;havoc Pendulum_prism_task_each_pals_period_~active_side~0;havoc Pendulum_prism_task_each_pals_period_~tmp~2;havoc Pendulum_prism_task_each_pals_period_~side1~2;havoc Pendulum_prism_task_each_pals_period_~side2~2;read_active_side_history_#in~index := 0;havoc read_active_side_history_#res;havoc read_active_side_history_~index;read_active_side_history_~index := read_active_side_history_#in~index; 5050#L148 assume 0 == read_active_side_history_~index % 256;read_active_side_history_#res := ~active_side_History_0~0; 5051#L158 Pendulum_prism_task_each_pals_period_#t~ret26 := read_active_side_history_#res;Pendulum_prism_task_each_pals_period_~tmp~2 := Pendulum_prism_task_each_pals_period_#t~ret26;havoc Pendulum_prism_task_each_pals_period_#t~ret26;Pendulum_prism_task_each_pals_period_~active_side~0 := Pendulum_prism_task_each_pals_period_~tmp~2;Pendulum_prism_task_each_pals_period_~side1~2 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side1~2 := ~s1p_old~0;~s1p_old~0 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2 := ~s2p_old~0;~s2p_old~0 := ~nomsg~0; 5168#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2;Pendulum_prism_task_each_pals_period_~active_side~0 := 1; 5019#L408 write_active_side_history_#in~val := Pendulum_prism_task_each_pals_period_~active_side~0;havoc write_active_side_history_~val;write_active_side_history_~val := write_active_side_history_#in~val;~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; 5085#L140 ~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;havoc check_#res;havoc check_#t~ret27, check_#t~ret28, check_#t~ret29, check_#t~ret30, check_#t~ret31, check_#t~ret32, check_#t~ret33, check_#t~ret34, check_#t~ret35, check_#t~ret36, check_#t~ret37, check_#t~ret38, check_#t~ret39, check_#t~ret40, check_#t~ret41, check_#t~ret42, check_#t~ret43, check_#t~ret44, check_#t~ret45, check_#t~ret46, check_#t~ret47, check_~tmp~3, check_~tmp___0~0, check_~tmp___1~0, check_~tmp___2~0, check_~tmp___3~0, check_~tmp___4~0, check_~tmp___5~0, check_~tmp___6~0, check_~tmp___7~0, check_~tmp___8~0, check_~tmp___9~0, check_~tmp___10~0, check_~tmp___11~0, check_~tmp___12~0, check_~tmp___13~0, check_~tmp___14~0, check_~tmp___15~0, check_~tmp___16~0, check_~tmp___17~0, check_~tmp___18~0, check_~tmp___19~0, check_~tmp___20~0;havoc check_~tmp~3;havoc check_~tmp___0~0;havoc check_~tmp___1~0;havoc check_~tmp___2~0;havoc check_~tmp___3~0;havoc check_~tmp___4~0;havoc check_~tmp___5~0;havoc check_~tmp___6~0;havoc check_~tmp___7~0;havoc check_~tmp___8~0;havoc check_~tmp___9~0;havoc check_~tmp___10~0;havoc check_~tmp___11~0;havoc check_~tmp___12~0;havoc check_~tmp___13~0;havoc check_~tmp___14~0;havoc check_~tmp___15~0;havoc check_~tmp___16~0;havoc check_~tmp___17~0;havoc check_~tmp___18~0;havoc check_~tmp___19~0;havoc check_~tmp___20~0; 5086#L447 assume !(0 == ~side1Failed~0 % 256); 5123#L450 assume !(0 == ~side2Failed~0 % 256);check_~tmp~3 := 0; 5039#L450-2 assume_abort_if_not_#in~cond := (if 0 == check_~tmp~3 then 0 else 1) % 256;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 5040#L58-2 assume !(0 == assume_abort_if_not_~cond); 5031#L57-1 read_manual_selection_history_#in~index := 1;havoc read_manual_selection_history_#res;havoc read_manual_selection_history_~index;read_manual_selection_history_~index := read_manual_selection_history_#in~index; 5032#L178 assume !(0 == read_manual_selection_history_~index % 256); 5049#L181 assume 1 == read_manual_selection_history_~index % 256;read_manual_selection_history_#res := ~manual_selection_History_1~0; 5033#L188 check_#t~ret27 := read_manual_selection_history_#res;check_~tmp___0~0 := check_#t~ret27;havoc check_#t~ret27; 5034#L457 assume !(0 == check_~tmp___0~0); 5010#L457-1 read_side1_failed_history_#in~index := 1;havoc read_side1_failed_history_#res;havoc read_side1_failed_history_~index;read_side1_failed_history_~index := read_side1_failed_history_#in~index; 5027#L88-2 assume !(0 == read_side1_failed_history_~index % 256); 5028#L91-2 assume 1 == read_side1_failed_history_~index % 256;read_side1_failed_history_#res := ~side1Failed_History_1~0; 5096#L98-2 check_#t~ret32 := read_side1_failed_history_#res;check_~tmp___7~0 := check_#t~ret32;havoc check_#t~ret32; 5169#L487 assume !(0 != check_~tmp___7~0 % 256); 5161#L487-1 read_side1_failed_history_#in~index := 1;havoc read_side1_failed_history_#res;havoc read_side1_failed_history_~index;read_side1_failed_history_~index := read_side1_failed_history_#in~index; 5162#L88-3 assume !(0 == read_side1_failed_history_~index % 256); 5144#L91-3 assume 1 == read_side1_failed_history_~index % 256;read_side1_failed_history_#res := ~side1Failed_History_1~0; 5128#L98-3 check_#t~ret36 := read_side1_failed_history_#res;check_~tmp___11~0 := check_#t~ret36;havoc check_#t~ret36; 5129#L503 assume !(0 == check_~tmp___11~0 % 256); 5171#L503-1 read_active_side_history_#in~index := 2;havoc read_active_side_history_#res;havoc read_active_side_history_~index;read_active_side_history_~index := read_active_side_history_#in~index; 5133#L148-3 assume 0 == read_active_side_history_~index % 256;read_active_side_history_#res := ~active_side_History_0~0; 5090#L158-3 check_#t~ret40 := read_active_side_history_#res;check_~tmp___20~0 := check_#t~ret40;havoc check_#t~ret40; 5185#L519 assume !(check_~tmp___20~0 > -2); 5069#L519-1 check_#res := 1; 5112#L537 main_#t~ret65 := check_#res;main_~c1~0 := main_#t~ret65;havoc main_#t~ret65;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 5113#L616-44 assume !(0 == assert_~arg % 256); 5153#L611-22 [2021-11-09 08:32:02,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:32:02,079 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 7 times [2021-11-09 08:32:02,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:32:02,079 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888569674] [2021-11-09 08:32:02,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:32:02,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:32:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:32:02,091 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:32:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:32:02,109 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:32:02,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:32:02,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1610735908, now seen corresponding path program 1 times [2021-11-09 08:32:02,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:32:02,111 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193394107] [2021-11-09 08:32:02,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:32:02,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:32:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:32:02,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:32:02,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:32:02,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193394107] [2021-11-09 08:32:02,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193394107] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:32:02,167 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:32:02,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-09 08:32:02,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686658937] [2021-11-09 08:32:02,168 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 08:32:02,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:32:02,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 08:32:02,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-09 08:32:02,169 INFO L87 Difference]: Start difference. First operand 259 states and 371 transitions. cyclomatic complexity: 113 Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 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) [2021-11-09 08:32:02,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:32:02,452 INFO L93 Difference]: Finished difference Result 1062 states and 1528 transitions. [2021-11-09 08:32:02,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-09 08:32:02,452 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1062 states and 1528 transitions. [2021-11-09 08:32:02,462 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1045 [2021-11-09 08:32:02,471 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1062 states to 1062 states and 1528 transitions. [2021-11-09 08:32:02,472 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1062 [2021-11-09 08:32:02,473 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1062 [2021-11-09 08:32:02,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1062 states and 1528 transitions. [2021-11-09 08:32:02,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:32:02,475 INFO L681 BuchiCegarLoop]: Abstraction has 1062 states and 1528 transitions. [2021-11-09 08:32:02,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states and 1528 transitions. [2021-11-09 08:32:02,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 348. [2021-11-09 08:32:02,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 348 states have (on average 1.4080459770114941) internal successors, (490), 347 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:32:02,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 490 transitions. [2021-11-09 08:32:02,488 INFO L704 BuchiCegarLoop]: Abstraction has 348 states and 490 transitions. [2021-11-09 08:32:02,488 INFO L587 BuchiCegarLoop]: Abstraction has 348 states and 490 transitions. [2021-11-09 08:32:02,489 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-11-09 08:32:02,489 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 348 states and 490 transitions. [2021-11-09 08:32:02,492 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 331 [2021-11-09 08:32:02,493 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:32:02,493 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:32:02,494 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:32:02,494 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] [2021-11-09 08:32:02,494 INFO L791 eck$LassoCheckResult]: Stem: 6587#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(54);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 6553#L-1 havoc main_#res;havoc main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~nondet59, main_#t~nondet60, main_#t~nondet61, main_#t~nondet62, main_#t~nondet63, main_#t~ret64, main_#t~ret65, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~side1Failed~0 := main_#t~nondet48;havoc main_#t~nondet48;~side2Failed~0 := main_#t~nondet49;havoc main_#t~nondet49;~side1_written~0 := main_#t~nondet50;havoc main_#t~nondet50;~side2_written~0 := main_#t~nondet51;havoc main_#t~nondet51;~side1Failed_History_0~0 := main_#t~nondet52;havoc main_#t~nondet52;~side1Failed_History_1~0 := main_#t~nondet53;havoc main_#t~nondet53;~side1Failed_History_2~0 := main_#t~nondet54;havoc main_#t~nondet54;~side2Failed_History_0~0 := main_#t~nondet55;havoc main_#t~nondet55;~side2Failed_History_1~0 := main_#t~nondet56;havoc main_#t~nondet56;~side2Failed_History_2~0 := main_#t~nondet57;havoc main_#t~nondet57;~active_side_History_0~0 := main_#t~nondet58;havoc main_#t~nondet58;~active_side_History_1~0 := main_#t~nondet59;havoc main_#t~nondet59;~active_side_History_2~0 := main_#t~nondet60;havoc main_#t~nondet60;~manual_selection_History_0~0 := main_#t~nondet61;havoc main_#t~nondet61;~manual_selection_History_1~0 := main_#t~nondet62;havoc main_#t~nondet62;~manual_selection_History_2~0 := main_#t~nondet63;havoc main_#t~nondet63;havoc init_#res; 6458#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 6459#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 6400#L203 assume !(-2 != ~active_side_History_0~0); 6401#L206 assume !(0 != ~manual_selection_History_0~0); 6416#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 6569#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 6511#L215 assume !(-2 != ~active_side_History_1~0); 6512#L218 assume !(0 != ~manual_selection_History_1~0); 6554#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 6573#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 6481#L227 assume !(-2 != ~active_side_History_2~0); 6482#L230 assume !(0 != ~manual_selection_History_2~0);init_#res := 1; 6446#L233 main_#t~ret64 := init_#res;main_~i2~0 := main_#t~ret64;havoc main_#t~ret64;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 6447#L58 assume !(0 == assume_abort_if_not_~cond); 6513#L57 ~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 := 0; 6514#L611-22 [2021-11-09 08:32:02,495 INFO L793 eck$LassoCheckResult]: Loop: 6514#L611-22 assume !false;havoc Console_task_each_pals_period_#t~nondet7, Console_task_each_pals_period_#t~ite8, Console_task_each_pals_period_#t~ite9, Console_task_each_pals_period_~manual_selection~0, Console_task_each_pals_period_~tmp~1;havoc Console_task_each_pals_period_~manual_selection~0;havoc Console_task_each_pals_period_~tmp~1;Console_task_each_pals_period_~tmp~1 := Console_task_each_pals_period_#t~nondet7;havoc Console_task_each_pals_period_#t~nondet7;Console_task_each_pals_period_~manual_selection~0 := Console_task_each_pals_period_~tmp~1;write_manual_selection_history_#in~val := Console_task_each_pals_period_~manual_selection~0;havoc write_manual_selection_history_~val;write_manual_selection_history_~val := write_manual_selection_history_#in~val;~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; 6564#L170 assume Console_task_each_pals_period_~manual_selection~0 != ~nomsg~0 && ~cs1_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite8 := Console_task_each_pals_period_~manual_selection~0; 6376#L258-1 ~cs1_new~0 := (if Console_task_each_pals_period_#t~ite8 % 256 <= 127 then Console_task_each_pals_period_#t~ite8 % 256 else Console_task_each_pals_period_#t~ite8 % 256 - 256);havoc Console_task_each_pals_period_#t~ite8; 6377#L259 assume Console_task_each_pals_period_~manual_selection~0 != ~nomsg~0 && ~cs2_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite9 := Console_task_each_pals_period_~manual_selection~0; 6565#L259-2 ~cs2_new~0 := (if Console_task_each_pals_period_#t~ite9 % 256 <= 127 then Console_task_each_pals_period_#t~ite9 % 256 else Console_task_each_pals_period_#t~ite9 % 256 - 256);havoc Console_task_each_pals_period_#t~ite9;Console_task_each_pals_period_~manual_selection~0 := 0; 6519#L261 havoc Side1_activestandby_task_each_pals_period_#t~nondet10, Side1_activestandby_task_each_pals_period_#t~ite11, Side1_activestandby_task_each_pals_period_#t~ite12, Side1_activestandby_task_each_pals_period_#t~ite13, Side1_activestandby_task_each_pals_period_#t~ret14, Side1_activestandby_task_each_pals_period_#t~ite15, Side1_activestandby_task_each_pals_period_#t~ite16, Side1_activestandby_task_each_pals_period_#t~ite17, Side1_activestandby_task_each_pals_period_~side1~0, Side1_activestandby_task_each_pals_period_~side2~0, Side1_activestandby_task_each_pals_period_~manual_selection~1, Side1_activestandby_task_each_pals_period_~next_state~0;havoc Side1_activestandby_task_each_pals_period_~side1~0;havoc Side1_activestandby_task_each_pals_period_~side2~0;havoc Side1_activestandby_task_each_pals_period_~manual_selection~1;havoc Side1_activestandby_task_each_pals_period_~next_state~0;Side1_activestandby_task_each_pals_period_~side1~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1 := 0;~side1Failed~0 := Side1_activestandby_task_each_pals_period_#t~nondet10;havoc Side1_activestandby_task_each_pals_period_#t~nondet10;write_side1_failed_history_#in~val := ~side1Failed~0;havoc write_side1_failed_history_~val;write_side1_failed_history_~val := write_side1_failed_history_#in~val;~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; 6520#L80 assume 0 != ~side1Failed~0 % 256; 6517#L278 assume !(~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite11 := ~s1s1_new~0; 6518#L278-2 ~s1s1_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite11 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite11 % 256 else Side1_activestandby_task_each_pals_period_#t~ite11 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite11; 6436#L279 assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite12 := ~s1s2_new~0; 6411#L279-2 ~s1s2_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite12 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite12 % 256 else Side1_activestandby_task_each_pals_period_#t~ite12 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite12; 6412#L280 assume !(~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite13 := ~s1p_new~0; 6488#L280-2 ~s1p_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite13 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite13 % 256 else Side1_activestandby_task_each_pals_period_#t~ite13 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite13;~side1_written~0 := ~nomsg~0; 6489#L318 havoc Side2_activestandby_task_each_pals_period_#t~nondet18, Side2_activestandby_task_each_pals_period_#t~ite19, Side2_activestandby_task_each_pals_period_#t~ite20, Side2_activestandby_task_each_pals_period_#t~ite21, Side2_activestandby_task_each_pals_period_#t~ret22, Side2_activestandby_task_each_pals_period_#t~ite23, Side2_activestandby_task_each_pals_period_#t~ite24, Side2_activestandby_task_each_pals_period_#t~ite25, Side2_activestandby_task_each_pals_period_~side1~1, Side2_activestandby_task_each_pals_period_~side2~1, Side2_activestandby_task_each_pals_period_~manual_selection~2, Side2_activestandby_task_each_pals_period_~next_state~1;havoc Side2_activestandby_task_each_pals_period_~side1~1;havoc Side2_activestandby_task_each_pals_period_~side2~1;havoc Side2_activestandby_task_each_pals_period_~manual_selection~2;havoc Side2_activestandby_task_each_pals_period_~next_state~1;Side2_activestandby_task_each_pals_period_~side1~1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~side2~1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~manual_selection~2 := 0;~side2Failed~0 := Side2_activestandby_task_each_pals_period_#t~nondet18;havoc Side2_activestandby_task_each_pals_period_#t~nondet18;write_side2_failed_history_#in~val := ~side2Failed~0;havoc write_side2_failed_history_~val;write_side2_failed_history_~val := write_side2_failed_history_#in~val;~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; 6698#L110 assume 0 != ~side2Failed~0 % 256; 6396#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite19 := ~s2s1_new~0; 6397#L335-2 ~s2s1_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite19 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite19 % 256 else Side2_activestandby_task_each_pals_period_#t~ite19 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite19; 6410#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite20 := ~s2s2_new~0; 6464#L336-2 ~s2s2_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite20 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite20 % 256 else Side2_activestandby_task_each_pals_period_#t~ite20 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite20; 6572#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite21 := ~s2p_new~0; 6500#L337-2 ~s2p_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite21 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite21 % 256 else Side2_activestandby_task_each_pals_period_#t~ite21 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite21;~side2_written~0 := ~nomsg~0; 6501#L375 havoc Pendulum_prism_task_each_pals_period_#t~ret26, Pendulum_prism_task_each_pals_period_~active_side~0, Pendulum_prism_task_each_pals_period_~tmp~2, Pendulum_prism_task_each_pals_period_~side1~2, Pendulum_prism_task_each_pals_period_~side2~2;havoc Pendulum_prism_task_each_pals_period_~active_side~0;havoc Pendulum_prism_task_each_pals_period_~tmp~2;havoc Pendulum_prism_task_each_pals_period_~side1~2;havoc Pendulum_prism_task_each_pals_period_~side2~2;read_active_side_history_#in~index := 0;havoc read_active_side_history_#res;havoc read_active_side_history_~index;read_active_side_history_~index := read_active_side_history_#in~index; 6405#L148 assume 0 == read_active_side_history_~index % 256;read_active_side_history_#res := ~active_side_History_0~0; 6406#L158 Pendulum_prism_task_each_pals_period_#t~ret26 := read_active_side_history_#res;Pendulum_prism_task_each_pals_period_~tmp~2 := Pendulum_prism_task_each_pals_period_#t~ret26;havoc Pendulum_prism_task_each_pals_period_#t~ret26;Pendulum_prism_task_each_pals_period_~active_side~0 := Pendulum_prism_task_each_pals_period_~tmp~2;Pendulum_prism_task_each_pals_period_~side1~2 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side1~2 := ~s1p_old~0;~s1p_old~0 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2 := ~s2p_old~0;~s2p_old~0 := ~nomsg~0; 6530#L394 assume !(1 == Pendulum_prism_task_each_pals_period_~side1~2); 6531#L397 assume 1 == Pendulum_prism_task_each_pals_period_~side2~2;Pendulum_prism_task_each_pals_period_~active_side~0 := 2; 6660#L408 write_active_side_history_#in~val := Pendulum_prism_task_each_pals_period_~active_side~0;havoc write_active_side_history_~val;write_active_side_history_~val := write_active_side_history_#in~val;~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; 6656#L140 ~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;havoc check_#res;havoc check_#t~ret27, check_#t~ret28, check_#t~ret29, check_#t~ret30, check_#t~ret31, check_#t~ret32, check_#t~ret33, check_#t~ret34, check_#t~ret35, check_#t~ret36, check_#t~ret37, check_#t~ret38, check_#t~ret39, check_#t~ret40, check_#t~ret41, check_#t~ret42, check_#t~ret43, check_#t~ret44, check_#t~ret45, check_#t~ret46, check_#t~ret47, check_~tmp~3, check_~tmp___0~0, check_~tmp___1~0, check_~tmp___2~0, check_~tmp___3~0, check_~tmp___4~0, check_~tmp___5~0, check_~tmp___6~0, check_~tmp___7~0, check_~tmp___8~0, check_~tmp___9~0, check_~tmp___10~0, check_~tmp___11~0, check_~tmp___12~0, check_~tmp___13~0, check_~tmp___14~0, check_~tmp___15~0, check_~tmp___16~0, check_~tmp___17~0, check_~tmp___18~0, check_~tmp___19~0, check_~tmp___20~0;havoc check_~tmp~3;havoc check_~tmp___0~0;havoc check_~tmp___1~0;havoc check_~tmp___2~0;havoc check_~tmp___3~0;havoc check_~tmp___4~0;havoc check_~tmp___5~0;havoc check_~tmp___6~0;havoc check_~tmp___7~0;havoc check_~tmp___8~0;havoc check_~tmp___9~0;havoc check_~tmp___10~0;havoc check_~tmp___11~0;havoc check_~tmp___12~0;havoc check_~tmp___13~0;havoc check_~tmp___14~0;havoc check_~tmp___15~0;havoc check_~tmp___16~0;havoc check_~tmp___17~0;havoc check_~tmp___18~0;havoc check_~tmp___19~0;havoc check_~tmp___20~0; 6592#L447 assume !(0 == ~side1Failed~0 % 256); 6593#L450 assume !(0 == ~side2Failed~0 % 256);check_~tmp~3 := 0; 6652#L450-2 assume_abort_if_not_#in~cond := (if 0 == check_~tmp~3 then 0 else 1) % 256;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 6651#L58-2 assume !(0 == assume_abort_if_not_~cond); 6650#L57-1 read_manual_selection_history_#in~index := 1;havoc read_manual_selection_history_#res;havoc read_manual_selection_history_~index;read_manual_selection_history_~index := read_manual_selection_history_#in~index; 6649#L178 assume !(0 == read_manual_selection_history_~index % 256); 6648#L181 assume 1 == read_manual_selection_history_~index % 256;read_manual_selection_history_#res := ~manual_selection_History_1~0; 6647#L188 check_#t~ret27 := read_manual_selection_history_#res;check_~tmp___0~0 := check_#t~ret27;havoc check_#t~ret27; 6628#L457 assume !(0 == check_~tmp___0~0); 6627#L457-1 read_side1_failed_history_#in~index := 1;havoc read_side1_failed_history_#res;havoc read_side1_failed_history_~index;read_side1_failed_history_~index := read_side1_failed_history_#in~index; 6626#L88-2 assume !(0 == read_side1_failed_history_~index % 256); 6625#L91-2 assume 1 == read_side1_failed_history_~index % 256;read_side1_failed_history_#res := ~side1Failed_History_1~0; 6624#L98-2 check_#t~ret32 := read_side1_failed_history_#res;check_~tmp___7~0 := check_#t~ret32;havoc check_#t~ret32; 6613#L487 assume !(0 != check_~tmp___7~0 % 256); 6611#L487-1 read_side1_failed_history_#in~index := 1;havoc read_side1_failed_history_#res;havoc read_side1_failed_history_~index;read_side1_failed_history_~index := read_side1_failed_history_#in~index; 6610#L88-3 assume !(0 == read_side1_failed_history_~index % 256); 6609#L91-3 assume 1 == read_side1_failed_history_~index % 256;read_side1_failed_history_#res := ~side1Failed_History_1~0; 6608#L98-3 check_#t~ret36 := read_side1_failed_history_#res;check_~tmp___11~0 := check_#t~ret36;havoc check_#t~ret36; 6561#L503 assume !(0 == check_~tmp___11~0 % 256); 6535#L503-1 read_active_side_history_#in~index := 2;havoc read_active_side_history_#res;havoc read_active_side_history_~index;read_active_side_history_~index := read_active_side_history_#in~index; 6490#L148-3 assume 0 == read_active_side_history_~index % 256;read_active_side_history_#res := ~active_side_History_0~0; 6445#L158-3 check_#t~ret40 := read_active_side_history_#res;check_~tmp___20~0 := check_#t~ret40;havoc check_#t~ret40; 6555#L519 assume !(check_~tmp___20~0 > -2); 6424#L519-1 check_#res := 1; 6470#L537 main_#t~ret65 := check_#res;main_~c1~0 := main_#t~ret65;havoc main_#t~ret65;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 6471#L616-44 assume !(0 == assert_~arg % 256); 6514#L611-22 [2021-11-09 08:32:02,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:32:02,496 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 8 times [2021-11-09 08:32:02,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:32:02,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886931057] [2021-11-09 08:32:02,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:32:02,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:32:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:32:02,513 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:32:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:32:02,537 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:32:02,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:32:02,538 INFO L85 PathProgramCache]: Analyzing trace with hash -14750313, now seen corresponding path program 1 times [2021-11-09 08:32:02,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:32:02,539 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131695171] [2021-11-09 08:32:02,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:32:02,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:32:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:32:02,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:32:02,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:32:02,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131695171] [2021-11-09 08:32:02,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131695171] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:32:02,614 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:32:02,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-09 08:32:02,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173676888] [2021-11-09 08:32:02,615 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 08:32:02,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:32:02,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 08:32:02,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-09 08:32:02,616 INFO L87 Difference]: Start difference. First operand 348 states and 490 transitions. cyclomatic complexity: 143 Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 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) [2021-11-09 08:32:02,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:32:02,906 INFO L93 Difference]: Finished difference Result 1235 states and 1750 transitions. [2021-11-09 08:32:02,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-09 08:32:02,907 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1235 states and 1750 transitions. [2021-11-09 08:32:02,920 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1218 [2021-11-09 08:32:02,931 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1235 states to 1235 states and 1750 transitions. [2021-11-09 08:32:02,931 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1235 [2021-11-09 08:32:02,933 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1235 [2021-11-09 08:32:02,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1235 states and 1750 transitions. [2021-11-09 08:32:02,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:32:02,935 INFO L681 BuchiCegarLoop]: Abstraction has 1235 states and 1750 transitions. [2021-11-09 08:32:02,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1235 states and 1750 transitions. [2021-11-09 08:32:02,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1235 to 348. [2021-11-09 08:32:02,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 348 states have (on average 1.4080459770114941) internal successors, (490), 347 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:32:02,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 490 transitions. [2021-11-09 08:32:02,948 INFO L704 BuchiCegarLoop]: Abstraction has 348 states and 490 transitions. [2021-11-09 08:32:02,949 INFO L587 BuchiCegarLoop]: Abstraction has 348 states and 490 transitions. [2021-11-09 08:32:02,949 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-11-09 08:32:02,949 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 348 states and 490 transitions. [2021-11-09 08:32:02,951 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 331 [2021-11-09 08:32:02,951 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:32:02,951 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:32:02,952 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:32:02,953 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] [2021-11-09 08:32:02,953 INFO L791 eck$LassoCheckResult]: Stem: 8177#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(54);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 8152#L-1 havoc main_#res;havoc main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~nondet59, main_#t~nondet60, main_#t~nondet61, main_#t~nondet62, main_#t~nondet63, main_#t~ret64, main_#t~ret65, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~side1Failed~0 := main_#t~nondet48;havoc main_#t~nondet48;~side2Failed~0 := main_#t~nondet49;havoc main_#t~nondet49;~side1_written~0 := main_#t~nondet50;havoc main_#t~nondet50;~side2_written~0 := main_#t~nondet51;havoc main_#t~nondet51;~side1Failed_History_0~0 := main_#t~nondet52;havoc main_#t~nondet52;~side1Failed_History_1~0 := main_#t~nondet53;havoc main_#t~nondet53;~side1Failed_History_2~0 := main_#t~nondet54;havoc main_#t~nondet54;~side2Failed_History_0~0 := main_#t~nondet55;havoc main_#t~nondet55;~side2Failed_History_1~0 := main_#t~nondet56;havoc main_#t~nondet56;~side2Failed_History_2~0 := main_#t~nondet57;havoc main_#t~nondet57;~active_side_History_0~0 := main_#t~nondet58;havoc main_#t~nondet58;~active_side_History_1~0 := main_#t~nondet59;havoc main_#t~nondet59;~active_side_History_2~0 := main_#t~nondet60;havoc main_#t~nondet60;~manual_selection_History_0~0 := main_#t~nondet61;havoc main_#t~nondet61;~manual_selection_History_1~0 := main_#t~nondet62;havoc main_#t~nondet62;~manual_selection_History_2~0 := main_#t~nondet63;havoc main_#t~nondet63;havoc init_#res; 8070#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 8071#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 8014#L203 assume !(-2 != ~active_side_History_0~0); 8015#L206 assume !(0 != ~manual_selection_History_0~0); 8030#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 8163#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 8119#L215 assume !(-2 != ~active_side_History_1~0); 8120#L218 assume !(0 != ~manual_selection_History_1~0); 8154#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 8167#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 8094#L227 assume !(-2 != ~active_side_History_2~0); 8095#L230 assume !(0 != ~manual_selection_History_2~0);init_#res := 1; 8060#L233 main_#t~ret64 := init_#res;main_~i2~0 := main_#t~ret64;havoc main_#t~ret64;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 8061#L58 assume !(0 == assume_abort_if_not_~cond); 8121#L57 ~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 := 0; 8122#L611-22 [2021-11-09 08:32:02,953 INFO L793 eck$LassoCheckResult]: Loop: 8122#L611-22 assume !false;havoc Console_task_each_pals_period_#t~nondet7, Console_task_each_pals_period_#t~ite8, Console_task_each_pals_period_#t~ite9, Console_task_each_pals_period_~manual_selection~0, Console_task_each_pals_period_~tmp~1;havoc Console_task_each_pals_period_~manual_selection~0;havoc Console_task_each_pals_period_~tmp~1;Console_task_each_pals_period_~tmp~1 := Console_task_each_pals_period_#t~nondet7;havoc Console_task_each_pals_period_#t~nondet7;Console_task_each_pals_period_~manual_selection~0 := Console_task_each_pals_period_~tmp~1;write_manual_selection_history_#in~val := Console_task_each_pals_period_~manual_selection~0;havoc write_manual_selection_history_~val;write_manual_selection_history_~val := write_manual_selection_history_#in~val;~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; 8159#L170 assume Console_task_each_pals_period_~manual_selection~0 != ~nomsg~0 && ~cs1_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite8 := Console_task_each_pals_period_~manual_selection~0; 7991#L258-1 ~cs1_new~0 := (if Console_task_each_pals_period_#t~ite8 % 256 <= 127 then Console_task_each_pals_period_#t~ite8 % 256 else Console_task_each_pals_period_#t~ite8 % 256 - 256);havoc Console_task_each_pals_period_#t~ite8; 7992#L259 assume Console_task_each_pals_period_~manual_selection~0 != ~nomsg~0 && ~cs2_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite9 := Console_task_each_pals_period_~manual_selection~0; 8160#L259-2 ~cs2_new~0 := (if Console_task_each_pals_period_#t~ite9 % 256 <= 127 then Console_task_each_pals_period_#t~ite9 % 256 else Console_task_each_pals_period_#t~ite9 % 256 - 256);havoc Console_task_each_pals_period_#t~ite9;Console_task_each_pals_period_~manual_selection~0 := 0; 8127#L261 havoc Side1_activestandby_task_each_pals_period_#t~nondet10, Side1_activestandby_task_each_pals_period_#t~ite11, Side1_activestandby_task_each_pals_period_#t~ite12, Side1_activestandby_task_each_pals_period_#t~ite13, Side1_activestandby_task_each_pals_period_#t~ret14, Side1_activestandby_task_each_pals_period_#t~ite15, Side1_activestandby_task_each_pals_period_#t~ite16, Side1_activestandby_task_each_pals_period_#t~ite17, Side1_activestandby_task_each_pals_period_~side1~0, Side1_activestandby_task_each_pals_period_~side2~0, Side1_activestandby_task_each_pals_period_~manual_selection~1, Side1_activestandby_task_each_pals_period_~next_state~0;havoc Side1_activestandby_task_each_pals_period_~side1~0;havoc Side1_activestandby_task_each_pals_period_~side2~0;havoc Side1_activestandby_task_each_pals_period_~manual_selection~1;havoc Side1_activestandby_task_each_pals_period_~next_state~0;Side1_activestandby_task_each_pals_period_~side1~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1 := 0;~side1Failed~0 := Side1_activestandby_task_each_pals_period_#t~nondet10;havoc Side1_activestandby_task_each_pals_period_#t~nondet10;write_side1_failed_history_#in~val := ~side1Failed~0;havoc write_side1_failed_history_~val;write_side1_failed_history_~val := write_side1_failed_history_#in~val;~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; 8128#L80 assume !(0 != ~side1Failed~0 % 256);Side1_activestandby_task_each_pals_period_~side1~0 := ~s1s1_old~0;~s1s1_old~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0 := ~s2s1_old~0;~s2s1_old~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1 := ~cs1_old~0;~cs1_old~0 := ~nomsg~0; 8114#L290 assume Side1_activestandby_task_each_pals_period_~side1~0 == Side1_activestandby_task_each_pals_period_~side2~0;Side1_activestandby_task_each_pals_period_~next_state~0 := 1; 8004#L309-1 assume Side1_activestandby_task_each_pals_period_~next_state~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0;Side1_activestandby_task_each_pals_period_#t~ite15 := Side1_activestandby_task_each_pals_period_~next_state~0; 8005#L314-1 ~s1s1_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite15 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite15 % 256 else Side1_activestandby_task_each_pals_period_#t~ite15 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite15; 8039#L315 assume Side1_activestandby_task_each_pals_period_~next_state~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0;Side1_activestandby_task_each_pals_period_#t~ite16 := Side1_activestandby_task_each_pals_period_~next_state~0; 8040#L315-2 ~s1s2_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite16 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite16 % 256 else Side1_activestandby_task_each_pals_period_#t~ite16 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite16; 8168#L316 assume Side1_activestandby_task_each_pals_period_~next_state~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0;Side1_activestandby_task_each_pals_period_#t~ite17 := Side1_activestandby_task_each_pals_period_~next_state~0; 8164#L316-2 ~s1p_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite17 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite17 % 256 else Side1_activestandby_task_each_pals_period_#t~ite17 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite17;~side1_written~0 := Side1_activestandby_task_each_pals_period_~next_state~0; 8165#L318 havoc Side2_activestandby_task_each_pals_period_#t~nondet18, Side2_activestandby_task_each_pals_period_#t~ite19, Side2_activestandby_task_each_pals_period_#t~ite20, Side2_activestandby_task_each_pals_period_#t~ite21, Side2_activestandby_task_each_pals_period_#t~ret22, Side2_activestandby_task_each_pals_period_#t~ite23, Side2_activestandby_task_each_pals_period_#t~ite24, Side2_activestandby_task_each_pals_period_#t~ite25, Side2_activestandby_task_each_pals_period_~side1~1, Side2_activestandby_task_each_pals_period_~side2~1, Side2_activestandby_task_each_pals_period_~manual_selection~2, Side2_activestandby_task_each_pals_period_~next_state~1;havoc Side2_activestandby_task_each_pals_period_~side1~1;havoc Side2_activestandby_task_each_pals_period_~side2~1;havoc Side2_activestandby_task_each_pals_period_~manual_selection~2;havoc Side2_activestandby_task_each_pals_period_~next_state~1;Side2_activestandby_task_each_pals_period_~side1~1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~side2~1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~manual_selection~2 := 0;~side2Failed~0 := Side2_activestandby_task_each_pals_period_#t~nondet18;havoc Side2_activestandby_task_each_pals_period_#t~nondet18;write_side2_failed_history_#in~val := ~side2Failed~0;havoc write_side2_failed_history_~val;write_side2_failed_history_~val := write_side2_failed_history_#in~val;~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; 8301#L110 assume 0 != ~side2Failed~0 % 256; 8300#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite19 := ~s2s1_new~0; 8299#L335-2 ~s2s1_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite19 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite19 % 256 else Side2_activestandby_task_each_pals_period_#t~ite19 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite19; 8298#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite20 := ~s2s2_new~0; 8297#L336-2 ~s2s2_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite20 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite20 % 256 else Side2_activestandby_task_each_pals_period_#t~ite20 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite20; 8296#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite21 := ~s2p_new~0; 8295#L337-2 ~s2p_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite21 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite21 % 256 else Side2_activestandby_task_each_pals_period_#t~ite21 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite21;~side2_written~0 := ~nomsg~0; 8294#L375 havoc Pendulum_prism_task_each_pals_period_#t~ret26, Pendulum_prism_task_each_pals_period_~active_side~0, Pendulum_prism_task_each_pals_period_~tmp~2, Pendulum_prism_task_each_pals_period_~side1~2, Pendulum_prism_task_each_pals_period_~side2~2;havoc Pendulum_prism_task_each_pals_period_~active_side~0;havoc Pendulum_prism_task_each_pals_period_~tmp~2;havoc Pendulum_prism_task_each_pals_period_~side1~2;havoc Pendulum_prism_task_each_pals_period_~side2~2;read_active_side_history_#in~index := 0;havoc read_active_side_history_#res;havoc read_active_side_history_~index;read_active_side_history_~index := read_active_side_history_#in~index; 8291#L148 assume 0 == read_active_side_history_~index % 256;read_active_side_history_#res := ~active_side_History_0~0; 8289#L158 Pendulum_prism_task_each_pals_period_#t~ret26 := read_active_side_history_#res;Pendulum_prism_task_each_pals_period_~tmp~2 := Pendulum_prism_task_each_pals_period_#t~ret26;havoc Pendulum_prism_task_each_pals_period_#t~ret26;Pendulum_prism_task_each_pals_period_~active_side~0 := Pendulum_prism_task_each_pals_period_~tmp~2;Pendulum_prism_task_each_pals_period_~side1~2 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side1~2 := ~s1p_old~0;~s1p_old~0 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2 := ~s2p_old~0;~s2p_old~0 := ~nomsg~0; 8280#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2;Pendulum_prism_task_each_pals_period_~active_side~0 := 1; 8272#L408 write_active_side_history_#in~val := Pendulum_prism_task_each_pals_period_~active_side~0;havoc write_active_side_history_~val;write_active_side_history_~val := write_active_side_history_#in~val;~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; 8290#L140 ~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;havoc check_#res;havoc check_#t~ret27, check_#t~ret28, check_#t~ret29, check_#t~ret30, check_#t~ret31, check_#t~ret32, check_#t~ret33, check_#t~ret34, check_#t~ret35, check_#t~ret36, check_#t~ret37, check_#t~ret38, check_#t~ret39, check_#t~ret40, check_#t~ret41, check_#t~ret42, check_#t~ret43, check_#t~ret44, check_#t~ret45, check_#t~ret46, check_#t~ret47, check_~tmp~3, check_~tmp___0~0, check_~tmp___1~0, check_~tmp___2~0, check_~tmp___3~0, check_~tmp___4~0, check_~tmp___5~0, check_~tmp___6~0, check_~tmp___7~0, check_~tmp___8~0, check_~tmp___9~0, check_~tmp___10~0, check_~tmp___11~0, check_~tmp___12~0, check_~tmp___13~0, check_~tmp___14~0, check_~tmp___15~0, check_~tmp___16~0, check_~tmp___17~0, check_~tmp___18~0, check_~tmp___19~0, check_~tmp___20~0;havoc check_~tmp~3;havoc check_~tmp___0~0;havoc check_~tmp___1~0;havoc check_~tmp___2~0;havoc check_~tmp___3~0;havoc check_~tmp___4~0;havoc check_~tmp___5~0;havoc check_~tmp___6~0;havoc check_~tmp___7~0;havoc check_~tmp___8~0;havoc check_~tmp___9~0;havoc check_~tmp___10~0;havoc check_~tmp___11~0;havoc check_~tmp___12~0;havoc check_~tmp___13~0;havoc check_~tmp___14~0;havoc check_~tmp___15~0;havoc check_~tmp___16~0;havoc check_~tmp___17~0;havoc check_~tmp___18~0;havoc check_~tmp___19~0;havoc check_~tmp___20~0; 8284#L447 assume 0 == ~side1Failed~0 % 256;check_~tmp~3 := 1; 8008#L450-2 assume_abort_if_not_#in~cond := (if 0 == check_~tmp~3 then 0 else 1) % 256;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 8009#L58-2 assume !(0 == assume_abort_if_not_~cond); 8000#L57-1 read_manual_selection_history_#in~index := 1;havoc read_manual_selection_history_#res;havoc read_manual_selection_history_~index;read_manual_selection_history_~index := read_manual_selection_history_#in~index; 8001#L178 assume !(0 == read_manual_selection_history_~index % 256); 8018#L181 assume 1 == read_manual_selection_history_~index % 256;read_manual_selection_history_#res := ~manual_selection_History_1~0; 8002#L188 check_#t~ret27 := read_manual_selection_history_#res;check_~tmp___0~0 := check_#t~ret27;havoc check_#t~ret27; 8003#L457 assume !(0 == check_~tmp___0~0); 7978#L457-1 read_side1_failed_history_#in~index := 1;havoc read_side1_failed_history_#res;havoc read_side1_failed_history_~index;read_side1_failed_history_~index := read_side1_failed_history_#in~index; 7996#L88-2 assume !(0 == read_side1_failed_history_~index % 256); 7997#L91-2 assume 1 == read_side1_failed_history_~index % 256;read_side1_failed_history_#res := ~side1Failed_History_1~0; 8065#L98-2 check_#t~ret32 := read_side1_failed_history_#res;check_~tmp___7~0 := check_#t~ret32;havoc check_#t~ret32; 8138#L487 assume !(0 != check_~tmp___7~0 % 256); 8130#L487-1 read_side1_failed_history_#in~index := 1;havoc read_side1_failed_history_#res;havoc read_side1_failed_history_~index;read_side1_failed_history_~index := read_side1_failed_history_#in~index; 8131#L88-3 assume !(0 == read_side1_failed_history_~index % 256); 8113#L91-3 assume 1 == read_side1_failed_history_~index % 256;read_side1_failed_history_#res := ~side1Failed_History_1~0; 8096#L98-3 check_#t~ret36 := read_side1_failed_history_#res;check_~tmp___11~0 := check_#t~ret36;havoc check_#t~ret36; 8097#L503 assume !(0 == check_~tmp___11~0 % 256); 8140#L503-1 read_active_side_history_#in~index := 2;havoc read_active_side_history_#res;havoc read_active_side_history_~index;read_active_side_history_~index := read_active_side_history_#in~index; 8101#L148-3 assume !(0 == read_active_side_history_~index % 256); 8102#L151-3 assume 1 == read_active_side_history_~index % 256;read_active_side_history_#res := ~active_side_History_1~0; 8059#L158-3 check_#t~ret40 := read_active_side_history_#res;check_~tmp___20~0 := check_#t~ret40;havoc check_#t~ret40; 8155#L519 assume !(check_~tmp___20~0 > -2); 8038#L519-1 check_#res := 1; 8083#L537 main_#t~ret65 := check_#res;main_~c1~0 := main_#t~ret65;havoc main_#t~ret65;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 8084#L616-44 assume !(0 == assert_~arg % 256); 8122#L611-22 [2021-11-09 08:32:02,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:32:02,954 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 9 times [2021-11-09 08:32:02,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:32:02,954 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995158521] [2021-11-09 08:32:02,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:32:02,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:32:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:32:02,971 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:32:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:32:02,987 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:32:02,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:32:02,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1603177989, now seen corresponding path program 1 times [2021-11-09 08:32:02,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:32:02,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111938746] [2021-11-09 08:32:02,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:32:02,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:32:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:32:03,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:32:03,061 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:32:03,061 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111938746] [2021-11-09 08:32:03,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111938746] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:32:03,062 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:32:03,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:32:03,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351840332] [2021-11-09 08:32:03,062 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 08:32:03,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:32:03,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:32:03,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:32:03,065 INFO L87 Difference]: Start difference. First operand 348 states and 490 transitions. cyclomatic complexity: 143 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) [2021-11-09 08:32:03,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:32:03,115 INFO L93 Difference]: Finished difference Result 427 states and 601 transitions. [2021-11-09 08:32:03,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:32:03,115 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 427 states and 601 transitions. [2021-11-09 08:32:03,119 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 410 [2021-11-09 08:32:03,123 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 427 states to 427 states and 601 transitions. [2021-11-09 08:32:03,123 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 427 [2021-11-09 08:32:03,124 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 427 [2021-11-09 08:32:03,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 427 states and 601 transitions. [2021-11-09 08:32:03,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:32:03,125 INFO L681 BuchiCegarLoop]: Abstraction has 427 states and 601 transitions. [2021-11-09 08:32:03,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states and 601 transitions. [2021-11-09 08:32:03,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 259. [2021-11-09 08:32:03,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 259 states have (on average 1.4247104247104247) internal successors, (369), 258 states have internal predecessors, (369), 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) [2021-11-09 08:32:03,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 369 transitions. [2021-11-09 08:32:03,132 INFO L704 BuchiCegarLoop]: Abstraction has 259 states and 369 transitions. [2021-11-09 08:32:03,132 INFO L587 BuchiCegarLoop]: Abstraction has 259 states and 369 transitions. [2021-11-09 08:32:03,133 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-11-09 08:32:03,133 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 259 states and 369 transitions. [2021-11-09 08:32:03,134 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 242 [2021-11-09 08:32:03,135 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:32:03,135 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:32:03,138 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:32:03,138 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] [2021-11-09 08:32:03,139 INFO L791 eck$LassoCheckResult]: Stem: 8957#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(54);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 8935#L-1 havoc main_#res;havoc main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~nondet59, main_#t~nondet60, main_#t~nondet61, main_#t~nondet62, main_#t~nondet63, main_#t~ret64, main_#t~ret65, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~side1Failed~0 := main_#t~nondet48;havoc main_#t~nondet48;~side2Failed~0 := main_#t~nondet49;havoc main_#t~nondet49;~side1_written~0 := main_#t~nondet50;havoc main_#t~nondet50;~side2_written~0 := main_#t~nondet51;havoc main_#t~nondet51;~side1Failed_History_0~0 := main_#t~nondet52;havoc main_#t~nondet52;~side1Failed_History_1~0 := main_#t~nondet53;havoc main_#t~nondet53;~side1Failed_History_2~0 := main_#t~nondet54;havoc main_#t~nondet54;~side2Failed_History_0~0 := main_#t~nondet55;havoc main_#t~nondet55;~side2Failed_History_1~0 := main_#t~nondet56;havoc main_#t~nondet56;~side2Failed_History_2~0 := main_#t~nondet57;havoc main_#t~nondet57;~active_side_History_0~0 := main_#t~nondet58;havoc main_#t~nondet58;~active_side_History_1~0 := main_#t~nondet59;havoc main_#t~nondet59;~active_side_History_2~0 := main_#t~nondet60;havoc main_#t~nondet60;~manual_selection_History_0~0 := main_#t~nondet61;havoc main_#t~nondet61;~manual_selection_History_1~0 := main_#t~nondet62;havoc main_#t~nondet62;~manual_selection_History_2~0 := main_#t~nondet63;havoc main_#t~nondet63;havoc init_#res; 8850#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 8851#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 8794#L203 assume !(-2 != ~active_side_History_0~0); 8795#L206 assume !(0 != ~manual_selection_History_0~0); 8810#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 8946#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 8899#L215 assume !(-2 != ~active_side_History_1~0); 8900#L218 assume !(0 != ~manual_selection_History_1~0); 8937#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 8950#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 8874#L227 assume !(-2 != ~active_side_History_2~0); 8875#L230 assume !(0 != ~manual_selection_History_2~0);init_#res := 1; 8840#L233 main_#t~ret64 := init_#res;main_~i2~0 := main_#t~ret64;havoc main_#t~ret64;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 8841#L58 assume !(0 == assume_abort_if_not_~cond); 8901#L57 ~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 := 0; 8902#L611-22 [2021-11-09 08:32:03,139 INFO L793 eck$LassoCheckResult]: Loop: 8902#L611-22 assume !false;havoc Console_task_each_pals_period_#t~nondet7, Console_task_each_pals_period_#t~ite8, Console_task_each_pals_period_#t~ite9, Console_task_each_pals_period_~manual_selection~0, Console_task_each_pals_period_~tmp~1;havoc Console_task_each_pals_period_~manual_selection~0;havoc Console_task_each_pals_period_~tmp~1;Console_task_each_pals_period_~tmp~1 := Console_task_each_pals_period_#t~nondet7;havoc Console_task_each_pals_period_#t~nondet7;Console_task_each_pals_period_~manual_selection~0 := Console_task_each_pals_period_~tmp~1;write_manual_selection_history_#in~val := Console_task_each_pals_period_~manual_selection~0;havoc write_manual_selection_history_~val;write_manual_selection_history_~val := write_manual_selection_history_#in~val;~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; 8942#L170 assume Console_task_each_pals_period_~manual_selection~0 != ~nomsg~0 && ~cs1_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite8 := Console_task_each_pals_period_~manual_selection~0; 8772#L258-1 ~cs1_new~0 := (if Console_task_each_pals_period_#t~ite8 % 256 <= 127 then Console_task_each_pals_period_#t~ite8 % 256 else Console_task_each_pals_period_#t~ite8 % 256 - 256);havoc Console_task_each_pals_period_#t~ite8; 8773#L259 assume Console_task_each_pals_period_~manual_selection~0 != ~nomsg~0 && ~cs2_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite9 := Console_task_each_pals_period_~manual_selection~0; 8943#L259-2 ~cs2_new~0 := (if Console_task_each_pals_period_#t~ite9 % 256 <= 127 then Console_task_each_pals_period_#t~ite9 % 256 else Console_task_each_pals_period_#t~ite9 % 256 - 256);havoc Console_task_each_pals_period_#t~ite9;Console_task_each_pals_period_~manual_selection~0 := 0; 8908#L261 havoc Side1_activestandby_task_each_pals_period_#t~nondet10, Side1_activestandby_task_each_pals_period_#t~ite11, Side1_activestandby_task_each_pals_period_#t~ite12, Side1_activestandby_task_each_pals_period_#t~ite13, Side1_activestandby_task_each_pals_period_#t~ret14, Side1_activestandby_task_each_pals_period_#t~ite15, Side1_activestandby_task_each_pals_period_#t~ite16, Side1_activestandby_task_each_pals_period_#t~ite17, Side1_activestandby_task_each_pals_period_~side1~0, Side1_activestandby_task_each_pals_period_~side2~0, Side1_activestandby_task_each_pals_period_~manual_selection~1, Side1_activestandby_task_each_pals_period_~next_state~0;havoc Side1_activestandby_task_each_pals_period_~side1~0;havoc Side1_activestandby_task_each_pals_period_~side2~0;havoc Side1_activestandby_task_each_pals_period_~manual_selection~1;havoc Side1_activestandby_task_each_pals_period_~next_state~0;Side1_activestandby_task_each_pals_period_~side1~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1 := 0;~side1Failed~0 := Side1_activestandby_task_each_pals_period_#t~nondet10;havoc Side1_activestandby_task_each_pals_period_#t~nondet10;write_side1_failed_history_#in~val := ~side1Failed~0;havoc write_side1_failed_history_~val;write_side1_failed_history_~val := write_side1_failed_history_#in~val;~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; 8909#L80 assume 0 != ~side1Failed~0 % 256; 8904#L278 assume !(~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite11 := ~s1s1_new~0; 8905#L278-2 ~s1s1_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite11 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite11 % 256 else Side1_activestandby_task_each_pals_period_#t~ite11 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite11; 8828#L279 assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite12 := ~s1s2_new~0; 8805#L279-2 ~s1s2_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite12 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite12 % 256 else Side1_activestandby_task_each_pals_period_#t~ite12 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite12; 8806#L280 assume !(~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite13 := ~s1p_new~0; 8879#L280-2 ~s1p_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite13 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite13 % 256 else Side1_activestandby_task_each_pals_period_#t~ite13 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite13;~side1_written~0 := ~nomsg~0; 8880#L318 havoc Side2_activestandby_task_each_pals_period_#t~nondet18, Side2_activestandby_task_each_pals_period_#t~ite19, Side2_activestandby_task_each_pals_period_#t~ite20, Side2_activestandby_task_each_pals_period_#t~ite21, Side2_activestandby_task_each_pals_period_#t~ret22, Side2_activestandby_task_each_pals_period_#t~ite23, Side2_activestandby_task_each_pals_period_#t~ite24, Side2_activestandby_task_each_pals_period_#t~ite25, Side2_activestandby_task_each_pals_period_~side1~1, Side2_activestandby_task_each_pals_period_~side2~1, Side2_activestandby_task_each_pals_period_~manual_selection~2, Side2_activestandby_task_each_pals_period_~next_state~1;havoc Side2_activestandby_task_each_pals_period_~side1~1;havoc Side2_activestandby_task_each_pals_period_~side2~1;havoc Side2_activestandby_task_each_pals_period_~manual_selection~2;havoc Side2_activestandby_task_each_pals_period_~next_state~1;Side2_activestandby_task_each_pals_period_~side1~1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~side2~1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~manual_selection~2 := 0;~side2Failed~0 := Side2_activestandby_task_each_pals_period_#t~nondet18;havoc Side2_activestandby_task_each_pals_period_#t~nondet18;write_side2_failed_history_#in~val := ~side2Failed~0;havoc write_side2_failed_history_~val;write_side2_failed_history_~val := write_side2_failed_history_#in~val;~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; 8846#L110 assume 0 != ~side2Failed~0 % 256; 8790#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite19 := ~s2s1_new~0; 8791#L335-2 ~s2s1_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite19 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite19 % 256 else Side2_activestandby_task_each_pals_period_#t~ite19 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite19; 8804#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite20 := ~s2s2_new~0; 8857#L336-2 ~s2s2_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite20 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite20 % 256 else Side2_activestandby_task_each_pals_period_#t~ite20 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite20; 8949#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite21 := ~s2p_new~0; 8890#L337-2 ~s2p_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite21 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite21 % 256 else Side2_activestandby_task_each_pals_period_#t~ite21 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite21;~side2_written~0 := ~nomsg~0; 8891#L375 havoc Pendulum_prism_task_each_pals_period_#t~ret26, Pendulum_prism_task_each_pals_period_~active_side~0, Pendulum_prism_task_each_pals_period_~tmp~2, Pendulum_prism_task_each_pals_period_~side1~2, Pendulum_prism_task_each_pals_period_~side2~2;havoc Pendulum_prism_task_each_pals_period_~active_side~0;havoc Pendulum_prism_task_each_pals_period_~tmp~2;havoc Pendulum_prism_task_each_pals_period_~side1~2;havoc Pendulum_prism_task_each_pals_period_~side2~2;read_active_side_history_#in~index := 0;havoc read_active_side_history_#res;havoc read_active_side_history_~index;read_active_side_history_~index := read_active_side_history_#in~index; 8799#L148 assume 0 == read_active_side_history_~index % 256;read_active_side_history_#res := ~active_side_History_0~0; 8800#L158 Pendulum_prism_task_each_pals_period_#t~ret26 := read_active_side_history_#res;Pendulum_prism_task_each_pals_period_~tmp~2 := Pendulum_prism_task_each_pals_period_#t~ret26;havoc Pendulum_prism_task_each_pals_period_#t~ret26;Pendulum_prism_task_each_pals_period_~active_side~0 := Pendulum_prism_task_each_pals_period_~tmp~2;Pendulum_prism_task_each_pals_period_~side1~2 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side1~2 := ~s1p_old~0;~s1p_old~0 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2 := ~s2p_old~0;~s2p_old~0 := ~nomsg~0; 8919#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2;Pendulum_prism_task_each_pals_period_~active_side~0 := 1; 8768#L408 write_active_side_history_#in~val := Pendulum_prism_task_each_pals_period_~active_side~0;havoc write_active_side_history_~val;write_active_side_history_~val := write_active_side_history_#in~val;~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; 8834#L140 ~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;havoc check_#res;havoc check_#t~ret27, check_#t~ret28, check_#t~ret29, check_#t~ret30, check_#t~ret31, check_#t~ret32, check_#t~ret33, check_#t~ret34, check_#t~ret35, check_#t~ret36, check_#t~ret37, check_#t~ret38, check_#t~ret39, check_#t~ret40, check_#t~ret41, check_#t~ret42, check_#t~ret43, check_#t~ret44, check_#t~ret45, check_#t~ret46, check_#t~ret47, check_~tmp~3, check_~tmp___0~0, check_~tmp___1~0, check_~tmp___2~0, check_~tmp___3~0, check_~tmp___4~0, check_~tmp___5~0, check_~tmp___6~0, check_~tmp___7~0, check_~tmp___8~0, check_~tmp___9~0, check_~tmp___10~0, check_~tmp___11~0, check_~tmp___12~0, check_~tmp___13~0, check_~tmp___14~0, check_~tmp___15~0, check_~tmp___16~0, check_~tmp___17~0, check_~tmp___18~0, check_~tmp___19~0, check_~tmp___20~0;havoc check_~tmp~3;havoc check_~tmp___0~0;havoc check_~tmp___1~0;havoc check_~tmp___2~0;havoc check_~tmp___3~0;havoc check_~tmp___4~0;havoc check_~tmp___5~0;havoc check_~tmp___6~0;havoc check_~tmp___7~0;havoc check_~tmp___8~0;havoc check_~tmp___9~0;havoc check_~tmp___10~0;havoc check_~tmp___11~0;havoc check_~tmp___12~0;havoc check_~tmp___13~0;havoc check_~tmp___14~0;havoc check_~tmp___15~0;havoc check_~tmp___16~0;havoc check_~tmp___17~0;havoc check_~tmp___18~0;havoc check_~tmp___19~0;havoc check_~tmp___20~0; 8835#L447 assume !(0 == ~side1Failed~0 % 256); 8871#L450 assume !(0 == ~side2Failed~0 % 256);check_~tmp~3 := 0; 8788#L450-2 assume_abort_if_not_#in~cond := (if 0 == check_~tmp~3 then 0 else 1) % 256;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 8789#L58-2 assume !(0 == assume_abort_if_not_~cond); 8780#L57-1 read_manual_selection_history_#in~index := 1;havoc read_manual_selection_history_#res;havoc read_manual_selection_history_~index;read_manual_selection_history_~index := read_manual_selection_history_#in~index; 8781#L178 assume !(0 == read_manual_selection_history_~index % 256); 8798#L181 assume 1 == read_manual_selection_history_~index % 256;read_manual_selection_history_#res := ~manual_selection_History_1~0; 8782#L188 check_#t~ret27 := read_manual_selection_history_#res;check_~tmp___0~0 := check_#t~ret27;havoc check_#t~ret27; 8783#L457 assume !(0 == check_~tmp___0~0); 8759#L457-1 read_side1_failed_history_#in~index := 1;havoc read_side1_failed_history_#res;havoc read_side1_failed_history_~index;read_side1_failed_history_~index := read_side1_failed_history_#in~index; 8776#L88-2 assume !(0 == read_side1_failed_history_~index % 256); 8777#L91-2 assume 1 == read_side1_failed_history_~index % 256;read_side1_failed_history_#res := ~side1Failed_History_1~0; 8845#L98-2 check_#t~ret32 := read_side1_failed_history_#res;check_~tmp___7~0 := check_#t~ret32;havoc check_#t~ret32; 8922#L487 assume !(0 != check_~tmp___7~0 % 256); 8911#L487-1 read_side1_failed_history_#in~index := 1;havoc read_side1_failed_history_#res;havoc read_side1_failed_history_~index;read_side1_failed_history_~index := read_side1_failed_history_#in~index; 8912#L88-3 assume !(0 == read_side1_failed_history_~index % 256); 8893#L91-3 assume 1 == read_side1_failed_history_~index % 256;read_side1_failed_history_#res := ~side1Failed_History_1~0; 8876#L98-3 check_#t~ret36 := read_side1_failed_history_#res;check_~tmp___11~0 := check_#t~ret36;havoc check_#t~ret36; 8877#L503 assume !(0 == check_~tmp___11~0 % 256); 8924#L503-1 read_active_side_history_#in~index := 2;havoc read_active_side_history_#res;havoc read_active_side_history_~index;read_active_side_history_~index := read_active_side_history_#in~index; 8881#L148-3 assume !(0 == read_active_side_history_~index % 256); 8882#L151-3 assume !(1 == read_active_side_history_~index % 256); 8838#L154-3 assume 2 == read_active_side_history_~index % 256;read_active_side_history_#res := ~active_side_History_2~0; 8839#L158-3 check_#t~ret40 := read_active_side_history_#res;check_~tmp___20~0 := check_#t~ret40;havoc check_#t~ret40; 8938#L519 assume !(check_~tmp___20~0 > -2); 8818#L519-1 check_#res := 1; 8863#L537 main_#t~ret65 := check_#res;main_~c1~0 := main_#t~ret65;havoc main_#t~ret65;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 8864#L616-44 assume !(0 == assert_~arg % 256); 8902#L611-22 [2021-11-09 08:32:03,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:32:03,140 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 10 times [2021-11-09 08:32:03,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:32:03,143 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518436448] [2021-11-09 08:32:03,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:32:03,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:32:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:32:03,162 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:32:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:32:03,198 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:32:03,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:32:03,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1843730825, now seen corresponding path program 1 times [2021-11-09 08:32:03,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:32:03,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965408165] [2021-11-09 08:32:03,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:32:03,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:32:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:32:03,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:32:03,290 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:32:03,290 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965408165] [2021-11-09 08:32:03,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965408165] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:32:03,290 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:32:03,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-09 08:32:03,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249020448] [2021-11-09 08:32:03,291 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 08:32:03,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:32:03,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-09 08:32:03,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-09 08:32:03,292 INFO L87 Difference]: Start difference. First operand 259 states and 369 transitions. cyclomatic complexity: 111 Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 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) [2021-11-09 08:32:03,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:32:03,550 INFO L93 Difference]: Finished difference Result 696 states and 1002 transitions. [2021-11-09 08:32:03,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-09 08:32:03,550 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 696 states and 1002 transitions. [2021-11-09 08:32:03,556 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 673 [2021-11-09 08:32:03,562 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 696 states to 696 states and 1002 transitions. [2021-11-09 08:32:03,562 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 696 [2021-11-09 08:32:03,563 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 696 [2021-11-09 08:32:03,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 696 states and 1002 transitions. [2021-11-09 08:32:03,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:32:03,566 INFO L681 BuchiCegarLoop]: Abstraction has 696 states and 1002 transitions. [2021-11-09 08:32:03,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states and 1002 transitions. [2021-11-09 08:32:03,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 264. [2021-11-09 08:32:03,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 264 states have (on average 1.4166666666666667) internal successors, (374), 263 states have internal predecessors, (374), 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) [2021-11-09 08:32:03,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 374 transitions. [2021-11-09 08:32:03,575 INFO L704 BuchiCegarLoop]: Abstraction has 264 states and 374 transitions. [2021-11-09 08:32:03,575 INFO L587 BuchiCegarLoop]: Abstraction has 264 states and 374 transitions. [2021-11-09 08:32:03,575 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-11-09 08:32:03,575 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 264 states and 374 transitions. [2021-11-09 08:32:03,577 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 247 [2021-11-09 08:32:03,577 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:32:03,577 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:32:03,578 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:32:03,578 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] [2021-11-09 08:32:03,579 INFO L791 eck$LassoCheckResult]: Stem: 9948#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(54);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 9921#L-1 havoc main_#res;havoc main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~nondet59, main_#t~nondet60, main_#t~nondet61, main_#t~nondet62, main_#t~nondet63, main_#t~ret64, main_#t~ret65, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~side1Failed~0 := main_#t~nondet48;havoc main_#t~nondet48;~side2Failed~0 := main_#t~nondet49;havoc main_#t~nondet49;~side1_written~0 := main_#t~nondet50;havoc main_#t~nondet50;~side2_written~0 := main_#t~nondet51;havoc main_#t~nondet51;~side1Failed_History_0~0 := main_#t~nondet52;havoc main_#t~nondet52;~side1Failed_History_1~0 := main_#t~nondet53;havoc main_#t~nondet53;~side1Failed_History_2~0 := main_#t~nondet54;havoc main_#t~nondet54;~side2Failed_History_0~0 := main_#t~nondet55;havoc main_#t~nondet55;~side2Failed_History_1~0 := main_#t~nondet56;havoc main_#t~nondet56;~side2Failed_History_2~0 := main_#t~nondet57;havoc main_#t~nondet57;~active_side_History_0~0 := main_#t~nondet58;havoc main_#t~nondet58;~active_side_History_1~0 := main_#t~nondet59;havoc main_#t~nondet59;~active_side_History_2~0 := main_#t~nondet60;havoc main_#t~nondet60;~manual_selection_History_0~0 := main_#t~nondet61;havoc main_#t~nondet61;~manual_selection_History_1~0 := main_#t~nondet62;havoc main_#t~nondet62;~manual_selection_History_2~0 := main_#t~nondet63;havoc main_#t~nondet63;havoc init_#res; 9838#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 9839#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 9781#L203 assume !(-2 != ~active_side_History_0~0); 9782#L206 assume !(0 != ~manual_selection_History_0~0); 9797#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 9934#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 9886#L215 assume !(-2 != ~active_side_History_1~0); 9887#L218 assume !(0 != ~manual_selection_History_1~0); 9922#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 9939#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 9861#L227 assume !(-2 != ~active_side_History_2~0); 9862#L230 assume !(0 != ~manual_selection_History_2~0);init_#res := 1; 9830#L233 main_#t~ret64 := init_#res;main_~i2~0 := main_#t~ret64;havoc main_#t~ret64;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 9831#L58 assume !(0 == assume_abort_if_not_~cond); 9889#L57 ~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 := 0; 9890#L611-22 [2021-11-09 08:32:03,579 INFO L793 eck$LassoCheckResult]: Loop: 9890#L611-22 assume !false;havoc Console_task_each_pals_period_#t~nondet7, Console_task_each_pals_period_#t~ite8, Console_task_each_pals_period_#t~ite9, Console_task_each_pals_period_~manual_selection~0, Console_task_each_pals_period_~tmp~1;havoc Console_task_each_pals_period_~manual_selection~0;havoc Console_task_each_pals_period_~tmp~1;Console_task_each_pals_period_~tmp~1 := Console_task_each_pals_period_#t~nondet7;havoc Console_task_each_pals_period_#t~nondet7;Console_task_each_pals_period_~manual_selection~0 := Console_task_each_pals_period_~tmp~1;write_manual_selection_history_#in~val := Console_task_each_pals_period_~manual_selection~0;havoc write_manual_selection_history_~val;write_manual_selection_history_~val := write_manual_selection_history_#in~val;~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; 9928#L170 assume Console_task_each_pals_period_~manual_selection~0 != ~nomsg~0 && ~cs1_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite8 := Console_task_each_pals_period_~manual_selection~0; 9759#L258-1 ~cs1_new~0 := (if Console_task_each_pals_period_#t~ite8 % 256 <= 127 then Console_task_each_pals_period_#t~ite8 % 256 else Console_task_each_pals_period_#t~ite8 % 256 - 256);havoc Console_task_each_pals_period_#t~ite8; 9760#L259 assume Console_task_each_pals_period_~manual_selection~0 != ~nomsg~0 && ~cs2_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite9 := Console_task_each_pals_period_~manual_selection~0; 9929#L259-2 ~cs2_new~0 := (if Console_task_each_pals_period_#t~ite9 % 256 <= 127 then Console_task_each_pals_period_#t~ite9 % 256 else Console_task_each_pals_period_#t~ite9 % 256 - 256);havoc Console_task_each_pals_period_#t~ite9;Console_task_each_pals_period_~manual_selection~0 := 0; 9894#L261 havoc Side1_activestandby_task_each_pals_period_#t~nondet10, Side1_activestandby_task_each_pals_period_#t~ite11, Side1_activestandby_task_each_pals_period_#t~ite12, Side1_activestandby_task_each_pals_period_#t~ite13, Side1_activestandby_task_each_pals_period_#t~ret14, Side1_activestandby_task_each_pals_period_#t~ite15, Side1_activestandby_task_each_pals_period_#t~ite16, Side1_activestandby_task_each_pals_period_#t~ite17, Side1_activestandby_task_each_pals_period_~side1~0, Side1_activestandby_task_each_pals_period_~side2~0, Side1_activestandby_task_each_pals_period_~manual_selection~1, Side1_activestandby_task_each_pals_period_~next_state~0;havoc Side1_activestandby_task_each_pals_period_~side1~0;havoc Side1_activestandby_task_each_pals_period_~side2~0;havoc Side1_activestandby_task_each_pals_period_~manual_selection~1;havoc Side1_activestandby_task_each_pals_period_~next_state~0;Side1_activestandby_task_each_pals_period_~side1~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1 := 0;~side1Failed~0 := Side1_activestandby_task_each_pals_period_#t~nondet10;havoc Side1_activestandby_task_each_pals_period_#t~nondet10;write_side1_failed_history_#in~val := ~side1Failed~0;havoc write_side1_failed_history_~val;write_side1_failed_history_~val := write_side1_failed_history_#in~val;~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; 9895#L80 assume 0 != ~side1Failed~0 % 256; 9891#L278 assume !(~nomsg~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite11 := ~s1s1_new~0; 9892#L278-2 ~s1s1_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite11 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite11 % 256 else Side1_activestandby_task_each_pals_period_#t~ite11 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite11; 9817#L279 assume !(~nomsg~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite12 := ~s1s2_new~0; 9792#L279-2 ~s1s2_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite12 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite12 % 256 else Side1_activestandby_task_each_pals_period_#t~ite12 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite12; 9793#L280 assume !(~nomsg~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0);Side1_activestandby_task_each_pals_period_#t~ite13 := ~s1p_new~0; 9866#L280-2 ~s1p_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite13 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite13 % 256 else Side1_activestandby_task_each_pals_period_#t~ite13 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite13;~side1_written~0 := ~nomsg~0; 9867#L318 havoc Side2_activestandby_task_each_pals_period_#t~nondet18, Side2_activestandby_task_each_pals_period_#t~ite19, Side2_activestandby_task_each_pals_period_#t~ite20, Side2_activestandby_task_each_pals_period_#t~ite21, Side2_activestandby_task_each_pals_period_#t~ret22, Side2_activestandby_task_each_pals_period_#t~ite23, Side2_activestandby_task_each_pals_period_#t~ite24, Side2_activestandby_task_each_pals_period_#t~ite25, Side2_activestandby_task_each_pals_period_~side1~1, Side2_activestandby_task_each_pals_period_~side2~1, Side2_activestandby_task_each_pals_period_~manual_selection~2, Side2_activestandby_task_each_pals_period_~next_state~1;havoc Side2_activestandby_task_each_pals_period_~side1~1;havoc Side2_activestandby_task_each_pals_period_~side2~1;havoc Side2_activestandby_task_each_pals_period_~manual_selection~2;havoc Side2_activestandby_task_each_pals_period_~next_state~1;Side2_activestandby_task_each_pals_period_~side1~1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~side2~1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~manual_selection~2 := 0;~side2Failed~0 := Side2_activestandby_task_each_pals_period_#t~nondet18;havoc Side2_activestandby_task_each_pals_period_#t~nondet18;write_side2_failed_history_#in~val := ~side2Failed~0;havoc write_side2_failed_history_~val;write_side2_failed_history_~val := write_side2_failed_history_#in~val;~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; 9834#L110 assume 0 != ~side2Failed~0 % 256; 9777#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite19 := ~s2s1_new~0; 9778#L335-2 ~s2s1_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite19 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite19 % 256 else Side2_activestandby_task_each_pals_period_#t~ite19 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite19; 9791#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite20 := ~s2s2_new~0; 9844#L336-2 ~s2s2_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite20 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite20 % 256 else Side2_activestandby_task_each_pals_period_#t~ite20 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite20; 9937#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite21 := ~s2p_new~0; 9938#L337-2 ~s2p_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite21 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite21 % 256 else Side2_activestandby_task_each_pals_period_#t~ite21 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite21;~side2_written~0 := ~nomsg~0; 9991#L375 havoc Pendulum_prism_task_each_pals_period_#t~ret26, Pendulum_prism_task_each_pals_period_~active_side~0, Pendulum_prism_task_each_pals_period_~tmp~2, Pendulum_prism_task_each_pals_period_~side1~2, Pendulum_prism_task_each_pals_period_~side2~2;havoc Pendulum_prism_task_each_pals_period_~active_side~0;havoc Pendulum_prism_task_each_pals_period_~tmp~2;havoc Pendulum_prism_task_each_pals_period_~side1~2;havoc Pendulum_prism_task_each_pals_period_~side2~2;read_active_side_history_#in~index := 0;havoc read_active_side_history_#res;havoc read_active_side_history_~index;read_active_side_history_~index := read_active_side_history_#in~index; 9984#L148 assume 0 == read_active_side_history_~index % 256;read_active_side_history_#res := ~active_side_History_0~0; 9979#L158 Pendulum_prism_task_each_pals_period_#t~ret26 := read_active_side_history_#res;Pendulum_prism_task_each_pals_period_~tmp~2 := Pendulum_prism_task_each_pals_period_#t~ret26;havoc Pendulum_prism_task_each_pals_period_#t~ret26;Pendulum_prism_task_each_pals_period_~active_side~0 := Pendulum_prism_task_each_pals_period_~tmp~2;Pendulum_prism_task_each_pals_period_~side1~2 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side1~2 := ~s1p_old~0;~s1p_old~0 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2 := ~s2p_old~0;~s2p_old~0 := ~nomsg~0; 9971#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2;Pendulum_prism_task_each_pals_period_~active_side~0 := 1; 9943#L408 write_active_side_history_#in~val := Pendulum_prism_task_each_pals_period_~active_side~0;havoc write_active_side_history_~val;write_active_side_history_~val := write_active_side_history_#in~val;~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; 9944#L140 ~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;havoc check_#res;havoc check_#t~ret27, check_#t~ret28, check_#t~ret29, check_#t~ret30, check_#t~ret31, check_#t~ret32, check_#t~ret33, check_#t~ret34, check_#t~ret35, check_#t~ret36, check_#t~ret37, check_#t~ret38, check_#t~ret39, check_#t~ret40, check_#t~ret41, check_#t~ret42, check_#t~ret43, check_#t~ret44, check_#t~ret45, check_#t~ret46, check_#t~ret47, check_~tmp~3, check_~tmp___0~0, check_~tmp___1~0, check_~tmp___2~0, check_~tmp___3~0, check_~tmp___4~0, check_~tmp___5~0, check_~tmp___6~0, check_~tmp___7~0, check_~tmp___8~0, check_~tmp___9~0, check_~tmp___10~0, check_~tmp___11~0, check_~tmp___12~0, check_~tmp___13~0, check_~tmp___14~0, check_~tmp___15~0, check_~tmp___16~0, check_~tmp___17~0, check_~tmp___18~0, check_~tmp___19~0, check_~tmp___20~0;havoc check_~tmp~3;havoc check_~tmp___0~0;havoc check_~tmp___1~0;havoc check_~tmp___2~0;havoc check_~tmp___3~0;havoc check_~tmp___4~0;havoc check_~tmp___5~0;havoc check_~tmp___6~0;havoc check_~tmp___7~0;havoc check_~tmp___8~0;havoc check_~tmp___9~0;havoc check_~tmp___10~0;havoc check_~tmp___11~0;havoc check_~tmp___12~0;havoc check_~tmp___13~0;havoc check_~tmp___14~0;havoc check_~tmp___15~0;havoc check_~tmp___16~0;havoc check_~tmp___17~0;havoc check_~tmp___18~0;havoc check_~tmp___19~0;havoc check_~tmp___20~0; 9914#L447 assume !(0 == ~side1Failed~0 % 256); 9858#L450 assume !(0 == ~side2Failed~0 % 256);check_~tmp~3 := 0; 9775#L450-2 assume_abort_if_not_#in~cond := (if 0 == check_~tmp~3 then 0 else 1) % 256;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 9776#L58-2 assume !(0 == assume_abort_if_not_~cond); 9767#L57-1 read_manual_selection_history_#in~index := 1;havoc read_manual_selection_history_#res;havoc read_manual_selection_history_~index;read_manual_selection_history_~index := read_manual_selection_history_#in~index; 9768#L178 assume !(0 == read_manual_selection_history_~index % 256); 9785#L181 assume 1 == read_manual_selection_history_~index % 256;read_manual_selection_history_#res := ~manual_selection_History_1~0; 9769#L188 check_#t~ret27 := read_manual_selection_history_#res;check_~tmp___0~0 := check_#t~ret27;havoc check_#t~ret27; 9770#L457 assume !(0 == check_~tmp___0~0); 9746#L457-1 read_side1_failed_history_#in~index := 1;havoc read_side1_failed_history_#res;havoc read_side1_failed_history_~index;read_side1_failed_history_~index := read_side1_failed_history_#in~index; 9763#L88-2 assume !(0 == read_side1_failed_history_~index % 256); 9764#L91-2 assume 1 == read_side1_failed_history_~index % 256;read_side1_failed_history_#res := ~side1Failed_History_1~0; 9832#L98-2 check_#t~ret32 := read_side1_failed_history_#res;check_~tmp___7~0 := check_#t~ret32;havoc check_#t~ret32; 9907#L487 assume !(0 != check_~tmp___7~0 % 256); 9897#L487-1 read_side1_failed_history_#in~index := 1;havoc read_side1_failed_history_#res;havoc read_side1_failed_history_~index;read_side1_failed_history_~index := read_side1_failed_history_#in~index; 9898#L88-3 assume !(0 == read_side1_failed_history_~index % 256); 9879#L91-3 assume 1 == read_side1_failed_history_~index % 256;read_side1_failed_history_#res := ~side1Failed_History_1~0; 9880#L98-3 check_#t~ret36 := read_side1_failed_history_#res;check_~tmp___11~0 := check_#t~ret36;havoc check_#t~ret36; 9926#L503 assume 0 == check_~tmp___11~0 % 256;read_side2_failed_history_#in~index := 1;havoc read_side2_failed_history_#res;havoc read_side2_failed_history_~index;read_side2_failed_history_~index := read_side2_failed_history_#in~index; 9924#L118-4 assume !(0 == read_side2_failed_history_~index % 256); 9925#L121-4 assume 1 == read_side2_failed_history_~index % 256;read_side2_failed_history_#res := ~side2Failed_History_1~0; 9933#L128-4 check_#t~ret37 := read_side2_failed_history_#res;check_~tmp___12~0 := check_#t~ret37;havoc check_#t~ret37; 9919#L505 assume !(0 != check_~tmp___12~0 % 256); 9906#L503-1 read_active_side_history_#in~index := 2;havoc read_active_side_history_#res;havoc read_active_side_history_~index;read_active_side_history_~index := read_active_side_history_#in~index; 9868#L148-3 assume !(0 == read_active_side_history_~index % 256); 9869#L151-3 assume !(1 == read_active_side_history_~index % 256); 9825#L154-3 assume 2 == read_active_side_history_~index % 256;read_active_side_history_#res := ~active_side_History_2~0; 9826#L158-3 check_#t~ret40 := read_active_side_history_#res;check_~tmp___20~0 := check_#t~ret40;havoc check_#t~ret40; 9923#L519 assume !(check_~tmp___20~0 > -2); 9805#L519-1 check_#res := 1; 9850#L537 main_#t~ret65 := check_#res;main_~c1~0 := main_#t~ret65;havoc main_#t~ret65;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 9851#L616-44 assume !(0 == assert_~arg % 256); 9890#L611-22 [2021-11-09 08:32:03,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:32:03,580 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 11 times [2021-11-09 08:32:03,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:32:03,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335144313] [2021-11-09 08:32:03,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:32:03,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:32:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:32:03,592 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:32:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:32:03,610 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:32:03,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:32:03,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1894040015, now seen corresponding path program 1 times [2021-11-09 08:32:03,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:32:03,611 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490284968] [2021-11-09 08:32:03,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:32:03,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:32:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:32:03,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:32:03,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:32:03,712 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490284968] [2021-11-09 08:32:03,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490284968] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:32:03,712 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:32:03,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 08:32:03,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889801558] [2021-11-09 08:32:03,713 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-09 08:32:03,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:32:03,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 08:32:03,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 08:32:03,714 INFO L87 Difference]: Start difference. First operand 264 states and 374 transitions. cyclomatic complexity: 111 Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 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) [2021-11-09 08:32:03,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 08:32:03,731 INFO L93 Difference]: Finished difference Result 266 states and 375 transitions. [2021-11-09 08:32:03,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 08:32:03,731 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 266 states and 375 transitions. [2021-11-09 08:32:03,733 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 226 [2021-11-09 08:32:03,735 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 266 states to 243 states and 342 transitions. [2021-11-09 08:32:03,736 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 243 [2021-11-09 08:32:03,736 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 243 [2021-11-09 08:32:03,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 243 states and 342 transitions. [2021-11-09 08:32:03,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:32:03,737 INFO L681 BuchiCegarLoop]: Abstraction has 243 states and 342 transitions. [2021-11-09 08:32:03,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states and 342 transitions. [2021-11-09 08:32:03,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2021-11-09 08:32:03,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 243 states have (on average 1.4074074074074074) internal successors, (342), 242 states have internal predecessors, (342), 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) [2021-11-09 08:32:03,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 342 transitions. [2021-11-09 08:32:03,742 INFO L704 BuchiCegarLoop]: Abstraction has 243 states and 342 transitions. [2021-11-09 08:32:03,742 INFO L587 BuchiCegarLoop]: Abstraction has 243 states and 342 transitions. [2021-11-09 08:32:03,742 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-11-09 08:32:03,743 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 243 states and 342 transitions. [2021-11-09 08:32:03,744 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 226 [2021-11-09 08:32:03,744 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 08:32:03,744 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 08:32:03,745 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:32:03,745 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] [2021-11-09 08:32:03,746 INFO L791 eck$LassoCheckResult]: Stem: 10479#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(54);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 10458#L-1 havoc main_#res;havoc main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~nondet59, main_#t~nondet60, main_#t~nondet61, main_#t~nondet62, main_#t~nondet63, main_#t~ret64, main_#t~ret65, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~side1Failed~0 := main_#t~nondet48;havoc main_#t~nondet48;~side2Failed~0 := main_#t~nondet49;havoc main_#t~nondet49;~side1_written~0 := main_#t~nondet50;havoc main_#t~nondet50;~side2_written~0 := main_#t~nondet51;havoc main_#t~nondet51;~side1Failed_History_0~0 := main_#t~nondet52;havoc main_#t~nondet52;~side1Failed_History_1~0 := main_#t~nondet53;havoc main_#t~nondet53;~side1Failed_History_2~0 := main_#t~nondet54;havoc main_#t~nondet54;~side2Failed_History_0~0 := main_#t~nondet55;havoc main_#t~nondet55;~side2Failed_History_1~0 := main_#t~nondet56;havoc main_#t~nondet56;~side2Failed_History_2~0 := main_#t~nondet57;havoc main_#t~nondet57;~active_side_History_0~0 := main_#t~nondet58;havoc main_#t~nondet58;~active_side_History_1~0 := main_#t~nondet59;havoc main_#t~nondet59;~active_side_History_2~0 := main_#t~nondet60;havoc main_#t~nondet60;~manual_selection_History_0~0 := main_#t~nondet61;havoc main_#t~nondet61;~manual_selection_History_1~0 := main_#t~nondet62;havoc main_#t~nondet62;~manual_selection_History_2~0 := main_#t~nondet63;havoc main_#t~nondet63;havoc init_#res; 10376#L197 assume !(0 != ~side1Failed_History_0~0 % 256); 10377#L200 assume !(0 != ~side2Failed_History_0~0 % 256); 10320#L203 assume !(-2 != ~active_side_History_0~0); 10321#L206 assume !(0 != ~manual_selection_History_0~0); 10336#L209 assume !(0 != ~side1Failed_History_1~0 % 256); 10469#L212 assume !(0 != ~side2Failed_History_1~0 % 256); 10424#L215 assume !(-2 != ~active_side_History_1~0); 10425#L218 assume !(0 != ~manual_selection_History_1~0); 10460#L221 assume !(0 != ~side1Failed_History_2~0 % 256); 10473#L224 assume !(0 != ~side2Failed_History_2~0 % 256); 10400#L227 assume !(-2 != ~active_side_History_2~0); 10401#L230 assume !(0 != ~manual_selection_History_2~0);init_#res := 1; 10369#L233 main_#t~ret64 := init_#res;main_~i2~0 := main_#t~ret64;havoc main_#t~ret64;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 10370#L58 assume !(0 == assume_abort_if_not_~cond); 10426#L57 ~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 := 0; 10427#L611-22 [2021-11-09 08:32:03,746 INFO L793 eck$LassoCheckResult]: Loop: 10427#L611-22 assume !false;havoc Console_task_each_pals_period_#t~nondet7, Console_task_each_pals_period_#t~ite8, Console_task_each_pals_period_#t~ite9, Console_task_each_pals_period_~manual_selection~0, Console_task_each_pals_period_~tmp~1;havoc Console_task_each_pals_period_~manual_selection~0;havoc Console_task_each_pals_period_~tmp~1;Console_task_each_pals_period_~tmp~1 := Console_task_each_pals_period_#t~nondet7;havoc Console_task_each_pals_period_#t~nondet7;Console_task_each_pals_period_~manual_selection~0 := Console_task_each_pals_period_~tmp~1;write_manual_selection_history_#in~val := Console_task_each_pals_period_~manual_selection~0;havoc write_manual_selection_history_~val;write_manual_selection_history_~val := write_manual_selection_history_#in~val;~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; 10465#L170 assume Console_task_each_pals_period_~manual_selection~0 != ~nomsg~0 && ~cs1_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite8 := Console_task_each_pals_period_~manual_selection~0; 10298#L258-1 ~cs1_new~0 := (if Console_task_each_pals_period_#t~ite8 % 256 <= 127 then Console_task_each_pals_period_#t~ite8 % 256 else Console_task_each_pals_period_#t~ite8 % 256 - 256);havoc Console_task_each_pals_period_#t~ite8; 10299#L259 assume Console_task_each_pals_period_~manual_selection~0 != ~nomsg~0 && ~cs2_new~0 == ~nomsg~0;Console_task_each_pals_period_#t~ite9 := Console_task_each_pals_period_~manual_selection~0; 10466#L259-2 ~cs2_new~0 := (if Console_task_each_pals_period_#t~ite9 % 256 <= 127 then Console_task_each_pals_period_#t~ite9 % 256 else Console_task_each_pals_period_#t~ite9 % 256 - 256);havoc Console_task_each_pals_period_#t~ite9;Console_task_each_pals_period_~manual_selection~0 := 0; 10432#L261 havoc Side1_activestandby_task_each_pals_period_#t~nondet10, Side1_activestandby_task_each_pals_period_#t~ite11, Side1_activestandby_task_each_pals_period_#t~ite12, Side1_activestandby_task_each_pals_period_#t~ite13, Side1_activestandby_task_each_pals_period_#t~ret14, Side1_activestandby_task_each_pals_period_#t~ite15, Side1_activestandby_task_each_pals_period_#t~ite16, Side1_activestandby_task_each_pals_period_#t~ite17, Side1_activestandby_task_each_pals_period_~side1~0, Side1_activestandby_task_each_pals_period_~side2~0, Side1_activestandby_task_each_pals_period_~manual_selection~1, Side1_activestandby_task_each_pals_period_~next_state~0;havoc Side1_activestandby_task_each_pals_period_~side1~0;havoc Side1_activestandby_task_each_pals_period_~side2~0;havoc Side1_activestandby_task_each_pals_period_~manual_selection~1;havoc Side1_activestandby_task_each_pals_period_~next_state~0;Side1_activestandby_task_each_pals_period_~side1~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1 := 0;~side1Failed~0 := Side1_activestandby_task_each_pals_period_#t~nondet10;havoc Side1_activestandby_task_each_pals_period_#t~nondet10;write_side1_failed_history_#in~val := ~side1Failed~0;havoc write_side1_failed_history_~val;write_side1_failed_history_~val := write_side1_failed_history_#in~val;~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; 10433#L80 assume !(0 != ~side1Failed~0 % 256);Side1_activestandby_task_each_pals_period_~side1~0 := ~s1s1_old~0;~s1s1_old~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~side2~0 := ~s2s1_old~0;~s2s1_old~0 := ~nomsg~0;Side1_activestandby_task_each_pals_period_~manual_selection~1 := ~cs1_old~0;~cs1_old~0 := ~nomsg~0; 10419#L290 assume Side1_activestandby_task_each_pals_period_~side1~0 == Side1_activestandby_task_each_pals_period_~side2~0;Side1_activestandby_task_each_pals_period_~next_state~0 := 1; 10310#L309-1 assume Side1_activestandby_task_each_pals_period_~next_state~0 != ~nomsg~0 && ~s1s1_new~0 == ~nomsg~0;Side1_activestandby_task_each_pals_period_#t~ite15 := Side1_activestandby_task_each_pals_period_~next_state~0; 10311#L314-1 ~s1s1_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite15 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite15 % 256 else Side1_activestandby_task_each_pals_period_#t~ite15 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite15; 10345#L315 assume Side1_activestandby_task_each_pals_period_~next_state~0 != ~nomsg~0 && ~s1s2_new~0 == ~nomsg~0;Side1_activestandby_task_each_pals_period_#t~ite16 := Side1_activestandby_task_each_pals_period_~next_state~0; 10346#L315-2 ~s1s2_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite16 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite16 % 256 else Side1_activestandby_task_each_pals_period_#t~ite16 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite16; 10474#L316 assume Side1_activestandby_task_each_pals_period_~next_state~0 != ~nomsg~0 && ~s1p_new~0 == ~nomsg~0;Side1_activestandby_task_each_pals_period_#t~ite17 := Side1_activestandby_task_each_pals_period_~next_state~0; 10470#L316-2 ~s1p_new~0 := (if Side1_activestandby_task_each_pals_period_#t~ite17 % 256 <= 127 then Side1_activestandby_task_each_pals_period_#t~ite17 % 256 else Side1_activestandby_task_each_pals_period_#t~ite17 % 256 - 256);havoc Side1_activestandby_task_each_pals_period_#t~ite17;~side1_written~0 := Side1_activestandby_task_each_pals_period_~next_state~0; 10471#L318 havoc Side2_activestandby_task_each_pals_period_#t~nondet18, Side2_activestandby_task_each_pals_period_#t~ite19, Side2_activestandby_task_each_pals_period_#t~ite20, Side2_activestandby_task_each_pals_period_#t~ite21, Side2_activestandby_task_each_pals_period_#t~ret22, Side2_activestandby_task_each_pals_period_#t~ite23, Side2_activestandby_task_each_pals_period_#t~ite24, Side2_activestandby_task_each_pals_period_#t~ite25, Side2_activestandby_task_each_pals_period_~side1~1, Side2_activestandby_task_each_pals_period_~side2~1, Side2_activestandby_task_each_pals_period_~manual_selection~2, Side2_activestandby_task_each_pals_period_~next_state~1;havoc Side2_activestandby_task_each_pals_period_~side1~1;havoc Side2_activestandby_task_each_pals_period_~side2~1;havoc Side2_activestandby_task_each_pals_period_~manual_selection~2;havoc Side2_activestandby_task_each_pals_period_~next_state~1;Side2_activestandby_task_each_pals_period_~side1~1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~side2~1 := ~nomsg~0;Side2_activestandby_task_each_pals_period_~manual_selection~2 := 0;~side2Failed~0 := Side2_activestandby_task_each_pals_period_#t~nondet18;havoc Side2_activestandby_task_each_pals_period_#t~nondet18;write_side2_failed_history_#in~val := ~side2Failed~0;havoc write_side2_failed_history_~val;write_side2_failed_history_~val := write_side2_failed_history_#in~val;~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; 10508#L110 assume 0 != ~side2Failed~0 % 256; 10316#L335 assume !(~nomsg~0 != ~nomsg~0 && ~s2s1_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite19 := ~s2s1_new~0; 10317#L335-2 ~s2s1_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite19 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite19 % 256 else Side2_activestandby_task_each_pals_period_#t~ite19 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite19; 10330#L336 assume !(~nomsg~0 != ~nomsg~0 && ~s2s2_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite20 := ~s2s2_new~0; 10383#L336-2 ~s2s2_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite20 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite20 % 256 else Side2_activestandby_task_each_pals_period_#t~ite20 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite20; 10472#L337 assume !(~nomsg~0 != ~nomsg~0 && ~s2p_new~0 == ~nomsg~0);Side2_activestandby_task_each_pals_period_#t~ite21 := ~s2p_new~0; 10415#L337-2 ~s2p_new~0 := (if Side2_activestandby_task_each_pals_period_#t~ite21 % 256 <= 127 then Side2_activestandby_task_each_pals_period_#t~ite21 % 256 else Side2_activestandby_task_each_pals_period_#t~ite21 % 256 - 256);havoc Side2_activestandby_task_each_pals_period_#t~ite21;~side2_written~0 := ~nomsg~0; 10416#L375 havoc Pendulum_prism_task_each_pals_period_#t~ret26, Pendulum_prism_task_each_pals_period_~active_side~0, Pendulum_prism_task_each_pals_period_~tmp~2, Pendulum_prism_task_each_pals_period_~side1~2, Pendulum_prism_task_each_pals_period_~side2~2;havoc Pendulum_prism_task_each_pals_period_~active_side~0;havoc Pendulum_prism_task_each_pals_period_~tmp~2;havoc Pendulum_prism_task_each_pals_period_~side1~2;havoc Pendulum_prism_task_each_pals_period_~side2~2;read_active_side_history_#in~index := 0;havoc read_active_side_history_#res;havoc read_active_side_history_~index;read_active_side_history_~index := read_active_side_history_#in~index; 10325#L148 assume 0 == read_active_side_history_~index % 256;read_active_side_history_#res := ~active_side_History_0~0; 10326#L158 Pendulum_prism_task_each_pals_period_#t~ret26 := read_active_side_history_#res;Pendulum_prism_task_each_pals_period_~tmp~2 := Pendulum_prism_task_each_pals_period_#t~ret26;havoc Pendulum_prism_task_each_pals_period_#t~ret26;Pendulum_prism_task_each_pals_period_~active_side~0 := Pendulum_prism_task_each_pals_period_~tmp~2;Pendulum_prism_task_each_pals_period_~side1~2 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side1~2 := ~s1p_old~0;~s1p_old~0 := ~nomsg~0;Pendulum_prism_task_each_pals_period_~side2~2 := ~s2p_old~0;~s2p_old~0 := ~nomsg~0; 10442#L394 assume 1 == Pendulum_prism_task_each_pals_period_~side1~2;Pendulum_prism_task_each_pals_period_~active_side~0 := 1; 10296#L408 write_active_side_history_#in~val := Pendulum_prism_task_each_pals_period_~active_side~0;havoc write_active_side_history_~val;write_active_side_history_~val := write_active_side_history_#in~val;~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; 10360#L140 ~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;havoc check_#res;havoc check_#t~ret27, check_#t~ret28, check_#t~ret29, check_#t~ret30, check_#t~ret31, check_#t~ret32, check_#t~ret33, check_#t~ret34, check_#t~ret35, check_#t~ret36, check_#t~ret37, check_#t~ret38, check_#t~ret39, check_#t~ret40, check_#t~ret41, check_#t~ret42, check_#t~ret43, check_#t~ret44, check_#t~ret45, check_#t~ret46, check_#t~ret47, check_~tmp~3, check_~tmp___0~0, check_~tmp___1~0, check_~tmp___2~0, check_~tmp___3~0, check_~tmp___4~0, check_~tmp___5~0, check_~tmp___6~0, check_~tmp___7~0, check_~tmp___8~0, check_~tmp___9~0, check_~tmp___10~0, check_~tmp___11~0, check_~tmp___12~0, check_~tmp___13~0, check_~tmp___14~0, check_~tmp___15~0, check_~tmp___16~0, check_~tmp___17~0, check_~tmp___18~0, check_~tmp___19~0, check_~tmp___20~0;havoc check_~tmp~3;havoc check_~tmp___0~0;havoc check_~tmp___1~0;havoc check_~tmp___2~0;havoc check_~tmp___3~0;havoc check_~tmp___4~0;havoc check_~tmp___5~0;havoc check_~tmp___6~0;havoc check_~tmp___7~0;havoc check_~tmp___8~0;havoc check_~tmp___9~0;havoc check_~tmp___10~0;havoc check_~tmp___11~0;havoc check_~tmp___12~0;havoc check_~tmp___13~0;havoc check_~tmp___14~0;havoc check_~tmp___15~0;havoc check_~tmp___16~0;havoc check_~tmp___17~0;havoc check_~tmp___18~0;havoc check_~tmp___19~0;havoc check_~tmp___20~0; 10361#L447 assume 0 == ~side1Failed~0 % 256;check_~tmp~3 := 1; 10314#L450-2 assume_abort_if_not_#in~cond := (if 0 == check_~tmp~3 then 0 else 1) % 256;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 10315#L58-2 assume !(0 == assume_abort_if_not_~cond); 10306#L57-1 read_manual_selection_history_#in~index := 1;havoc read_manual_selection_history_#res;havoc read_manual_selection_history_~index;read_manual_selection_history_~index := read_manual_selection_history_#in~index; 10307#L178 assume !(0 == read_manual_selection_history_~index % 256); 10324#L181 assume 1 == read_manual_selection_history_~index % 256;read_manual_selection_history_#res := ~manual_selection_History_1~0; 10308#L188 check_#t~ret27 := read_manual_selection_history_#res;check_~tmp___0~0 := check_#t~ret27;havoc check_#t~ret27; 10309#L457 assume !(0 == check_~tmp___0~0); 10285#L457-1 read_side1_failed_history_#in~index := 1;havoc read_side1_failed_history_#res;havoc read_side1_failed_history_~index;read_side1_failed_history_~index := read_side1_failed_history_#in~index; 10302#L88-2 assume !(0 == read_side1_failed_history_~index % 256); 10303#L91-2 assume 1 == read_side1_failed_history_~index % 256;read_side1_failed_history_#res := ~side1Failed_History_1~0; 10371#L98-2 check_#t~ret32 := read_side1_failed_history_#res;check_~tmp___7~0 := check_#t~ret32;havoc check_#t~ret32; 10445#L487 assume !(0 != check_~tmp___7~0 % 256); 10435#L487-1 read_side1_failed_history_#in~index := 1;havoc read_side1_failed_history_#res;havoc read_side1_failed_history_~index;read_side1_failed_history_~index := read_side1_failed_history_#in~index; 10436#L88-3 assume !(0 == read_side1_failed_history_~index % 256); 10418#L91-3 assume 1 == read_side1_failed_history_~index % 256;read_side1_failed_history_#res := ~side1Failed_History_1~0; 10402#L98-3 check_#t~ret36 := read_side1_failed_history_#res;check_~tmp___11~0 := check_#t~ret36;havoc check_#t~ret36; 10403#L503 assume 0 == check_~tmp___11~0 % 256;read_side2_failed_history_#in~index := 1;havoc read_side2_failed_history_#res;havoc read_side2_failed_history_~index;read_side2_failed_history_~index := read_side2_failed_history_#in~index; 10462#L118-4 assume !(0 == read_side2_failed_history_~index % 256); 10463#L121-4 assume 1 == read_side2_failed_history_~index % 256;read_side2_failed_history_#res := ~side2Failed_History_1~0; 10468#L128-4 check_#t~ret37 := read_side2_failed_history_#res;check_~tmp___12~0 := check_#t~ret37;havoc check_#t~ret37; 10457#L505 assume !(0 != check_~tmp___12~0 % 256); 10444#L503-1 read_active_side_history_#in~index := 2;havoc read_active_side_history_#res;havoc read_active_side_history_~index;read_active_side_history_~index := read_active_side_history_#in~index; 10407#L148-3 assume !(0 == read_active_side_history_~index % 256); 10408#L151-3 assume !(1 == read_active_side_history_~index % 256); 10364#L154-3 assume 2 == read_active_side_history_~index % 256;read_active_side_history_#res := ~active_side_History_2~0; 10365#L158-3 check_#t~ret40 := read_active_side_history_#res;check_~tmp___20~0 := check_#t~ret40;havoc check_#t~ret40; 10461#L519 assume !(check_~tmp___20~0 > -2); 10344#L519-1 check_#res := 1; 10386#L537 main_#t~ret65 := check_#res;main_~c1~0 := main_#t~ret65;havoc main_#t~ret65;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 10387#L616-44 assume !(0 == assert_~arg % 256); 10427#L611-22 [2021-11-09 08:32:03,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:32:03,747 INFO L85 PathProgramCache]: Analyzing trace with hash -613005151, now seen corresponding path program 12 times [2021-11-09 08:32:03,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:32:03,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744133146] [2021-11-09 08:32:03,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:32:03,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:32:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:32:03,757 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:32:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:32:03,772 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:32:03,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:32:03,773 INFO L85 PathProgramCache]: Analyzing trace with hash -2083494260, now seen corresponding path program 1 times [2021-11-09 08:32:03,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:32:03,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059435402] [2021-11-09 08:32:03,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:32:03,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:32:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:32:03,801 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 08:32:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 08:32:03,868 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 08:32:03,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:32:03,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1512847852, now seen corresponding path program 1 times [2021-11-09 08:32:03,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:32:03,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063258407] [2021-11-09 08:32:03,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:32:03,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:32:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:32:03,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:32:03,950 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:32:03,951 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063258407] [2021-11-09 08:32:03,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063258407] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:32:03,951 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:32:03,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-09 08:32:03,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182599920] [2021-11-09 08:32:08,482 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 08:32:08,483 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 08:32:08,483 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 08:32:08,483 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 08:32:08,483 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-09 08:32:08,483 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:32:08,484 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 08:32:08,484 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 08:32:08,484 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_STARTPALS_ActiveStandby.4_2.ufo.UNBOUNDED.pals.c_Iteration13_Loop [2021-11-09 08:32:08,484 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 08:32:08,484 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 08:32:08,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:08,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:08,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:08,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:08,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:08,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:08,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:08,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:08,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:08,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:08,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:08,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:08,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:08,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:08,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:08,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:08,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:08,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:08,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:08,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:08,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:08,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:08,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:09,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 08:32:10,195 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 13 [2021-11-09 08:40:40,643 WARN L207 SmtUtils]: Spent 8.40 m on a formula simplification. DAG size of input: 2259 DAG size of output: 339 [2021-11-09 08:40:41,122 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 08:40:41,123 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-09 08:40:41,126 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:40:41,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:40:41,130 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:40:41,141 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:40:41,142 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:40:41,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-09 08:40:41,169 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:40:41,169 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_check_~tmp___14~0=0} Honda state: {ULTIMATE.start_check_~tmp___14~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:40:41,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-09 08:40:41,215 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:40:41,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:40:41,216 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:40:41,229 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:40:41,229 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:40:41,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-09 08:40:41,255 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:40:41,255 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_Side1_activestandby_task_each_pals_period_#t~ite15=0} Honda state: {ULTIMATE.start_Side1_activestandby_task_each_pals_period_#t~ite15=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:40:41,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-09 08:40:41,292 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:40:41,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:40:41,294 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:40:41,301 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:40:41,302 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:40:41,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-09 08:40:41,341 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:40:41,341 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_read_side1_failed_history_#in~index=1, ULTIMATE.start_read_side1_failed_history_~index=1} Honda state: {ULTIMATE.start_read_side1_failed_history_#in~index=1, ULTIMATE.start_read_side1_failed_history_~index=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:40:41,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-09 08:40:41,375 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:40:41,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:40:41,376 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:40:41,385 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:40:41,385 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:40:41,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-09 08:40:41,405 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:40:41,405 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_Side2_activestandby_task_each_pals_period_#t~ite19=0} Honda state: {ULTIMATE.start_Side2_activestandby_task_each_pals_period_#t~ite19=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:40:41,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-09 08:40:41,445 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:40:41,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:40:41,457 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:40:41,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-09 08:40:41,504 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:40:41,504 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:40:41,533 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:40:41,533 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_check_~tmp___16~0=0} Honda state: {ULTIMATE.start_check_~tmp___16~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:40:41,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-09 08:40:41,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:40:41,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:40:41,579 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:40:41,585 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:40:41,586 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:40:41,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-09 08:40:41,613 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:40:41,613 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_Side1_activestandby_task_each_pals_period_#t~ite11=0} Honda state: {ULTIMATE.start_Side1_activestandby_task_each_pals_period_#t~ite11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:40:41,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-09 08:40:41,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:40:41,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:40:41,651 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:40:41,656 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:40:41,656 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:40:41,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-09 08:40:41,682 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:40:41,682 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_Side1_activestandby_task_each_pals_period_#t~ite12=0} Honda state: {ULTIMATE.start_Side1_activestandby_task_each_pals_period_#t~ite12=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:40:41,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-09 08:40:41,719 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:40:41,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:40:41,725 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:40:41,731 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:40:41,732 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:40:41,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-09 08:40:41,753 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:40:41,753 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_check_#t~ret32=0} Honda state: {ULTIMATE.start_check_#t~ret32=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:40:41,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-09 08:40:41,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:40:41,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:40:41,794 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:40:41,800 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:40:41,800 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:40:41,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-09 08:40:41,821 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:40:41,821 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_Side2_activestandby_task_each_pals_period_#t~ite25=0} Honda state: {ULTIMATE.start_Side2_activestandby_task_each_pals_period_#t~ite25=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:40:41,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-09 08:40:41,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:40:41,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:40:41,859 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:40:41,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-09 08:40:41,867 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:40:41,867 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:40:41,893 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:40:41,893 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_check_#t~ret36=0} Honda state: {ULTIMATE.start_check_#t~ret36=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:40:41,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-09 08:40:41,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:40:41,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:40:41,937 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:40:41,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-09 08:40:41,949 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:40:41,949 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:40:41,973 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:40:41,973 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_Side1_activestandby_task_each_pals_period_#t~ret14=0} Honda state: {ULTIMATE.start_Side1_activestandby_task_each_pals_period_#t~ret14=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:40:42,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-09 08:40:42,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:40:42,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:40:42,012 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:40:42,017 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:40:42,017 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:40:42,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-09 08:40:42,037 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:40:42,037 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_Side2_activestandby_task_each_pals_period_#t~ite21=0} Honda state: {ULTIMATE.start_Side2_activestandby_task_each_pals_period_#t~ite21=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:40:42,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-09 08:40:42,060 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:40:42,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:40:42,061 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:40:42,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-09 08:40:42,066 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:40:42,066 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:40:42,075 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:40:42,075 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_check_#t~ret42=0} Honda state: {ULTIMATE.start_check_#t~ret42=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:40:42,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-11-09 08:40:42,112 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:40:42,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:40:42,113 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:40:42,129 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:40:42,129 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:40:42,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-09 08:40:42,157 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:40:42,157 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_check_~tmp___6~0=0} Honda state: {ULTIMATE.start_check_~tmp___6~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:40:42,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-09 08:40:42,196 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:40:42,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:40:42,197 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:40:42,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-09 08:40:42,206 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:40:42,206 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:40:42,223 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:40:42,223 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_check_#t~ret46=0} Honda state: {ULTIMATE.start_check_#t~ret46=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:40:42,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-11-09 08:40:42,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:40:42,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:40:42,243 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:40:42,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-09 08:40:42,245 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:40:42,248 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:40:42,260 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:40:42,260 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_check_#t~ret30=0} Honda state: {ULTIMATE.start_check_#t~ret30=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:40:42,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-09 08:40:42,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:40:42,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:40:42,284 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:40:42,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-09 08:40:42,285 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:40:42,285 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:40:42,295 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:40:42,295 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_Side1_activestandby_task_each_pals_period_#t~nondet10=0} Honda state: {ULTIMATE.start_Side1_activestandby_task_each_pals_period_#t~nondet10=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:40:42,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-09 08:40:42,319 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:40:42,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:40:42,320 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:40:42,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-09 08:40:42,322 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:40:42,322 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:40:42,332 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-09 08:40:42,332 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_check_~tmp___19~0=0} Honda state: {ULTIMATE.start_check_~tmp___19~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-09 08:40:42,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-09 08:40:42,360 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:40:42,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:40:42,361 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:40:42,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-09 08:40:42,376 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 08:40:42,376 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 08:40:42,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-09 08:40:42,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 08:40:42,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:40:42,454 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 08:40:42,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d96b45a-a2a3-45b0-9ead-a3f8c011e5de/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-09 08:40:42,459 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-09 08:40:42,459 INFO L160 nArgumentSynthesizer]: Using integer mode.