./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa --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 2e89791a2e8bde62b11f5e3f45edc8f6b1d8831a0e105552a6da22a3ff44c454 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:07:36,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:07:36,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:07:36,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:07:36,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:07:36,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:07:36,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:07:36,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:07:36,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:07:36,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:07:36,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:07:36,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:07:36,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:07:36,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:07:36,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:07:36,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:07:36,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:07:36,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:07:36,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:07:36,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:07:36,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:07:36,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:07:36,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:07:36,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:07:36,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:07:36,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:07:36,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:07:36,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:07:36,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:07:36,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:07:36,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:07:36,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:07:36,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:07:36,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:07:36,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:07:36,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:07:36,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:07:36,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:07:36,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:07:36,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:07:36,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:07:36,695 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-06 23:07:36,712 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:07:36,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:07:36,713 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:07:36,713 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:07:36,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:07:36,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:07:36,714 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:07:36,714 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 23:07:36,714 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 23:07:36,714 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 23:07:36,714 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 23:07:36,714 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 23:07:36,715 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 23:07:36,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:07:36,715 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 23:07:36,715 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 23:07:36,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:07:36,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 23:07:36,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:07:36,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 23:07:36,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 23:07:36,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 23:07:36,716 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 23:07:36,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:07:36,716 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 23:07:36,716 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:07:36,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 23:07:36,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:07:36,717 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:07:36,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:07:36,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:07:36,717 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:07:36,718 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 23:07:36,718 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_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e89791a2e8bde62b11f5e3f45edc8f6b1d8831a0e105552a6da22a3ff44c454 [2021-12-06 23:07:36,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:07:36,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:07:36,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:07:36,911 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:07:36,911 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:07:36,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c [2021-12-06 23:07:36,955 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/data/eb38abeb8/51716db672e54ae1b603e8b2e8329cc0/FLAGc6b681bcb [2021-12-06 23:07:37,327 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:07:37,327 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c [2021-12-06 23:07:37,334 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/data/eb38abeb8/51716db672e54ae1b603e8b2e8329cc0/FLAGc6b681bcb [2021-12-06 23:07:37,344 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/data/eb38abeb8/51716db672e54ae1b603e8b2e8329cc0 [2021-12-06 23:07:37,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:07:37,347 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:07:37,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:07:37,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:07:37,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:07:37,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:07:37" (1/1) ... [2021-12-06 23:07:37,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65deb6ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:07:37, skipping insertion in model container [2021-12-06 23:07:37,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:07:37" (1/1) ... [2021-12-06 23:07:37,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:07:37,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:07:37,535 WARN L230 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_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c[15177,15190] [2021-12-06 23:07:37,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:07:37,542 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:07:37,580 WARN L230 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_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c[15177,15190] [2021-12-06 23:07:37,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:07:37,592 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:07:37,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:07:37 WrapperNode [2021-12-06 23:07:37,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:07:37,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:07:37,594 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:07:37,594 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:07:37,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:07:37" (1/1) ... [2021-12-06 23:07:37,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:07:37" (1/1) ... [2021-12-06 23:07:37,633 INFO L137 Inliner]: procedures = 26, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 368 [2021-12-06 23:07:37,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:07:37,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:07:37,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:07:37,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:07:37,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:07:37" (1/1) ... [2021-12-06 23:07:37,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:07:37" (1/1) ... [2021-12-06 23:07:37,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:07:37" (1/1) ... [2021-12-06 23:07:37,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:07:37" (1/1) ... [2021-12-06 23:07:37,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:07:37" (1/1) ... [2021-12-06 23:07:37,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:07:37" (1/1) ... [2021-12-06 23:07:37,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:07:37" (1/1) ... [2021-12-06 23:07:37,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:07:37,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:07:37,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:07:37,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:07:37,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:07:37" (1/1) ... [2021-12-06 23:07:37,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:07:37,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:07:37,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:07:37,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 23:07:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 23:07:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 23:07:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:07:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:07:37,810 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:07:37,811 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:07:38,080 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:07:38,088 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:07:38,088 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 23:07:38,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:07:38 BoogieIcfgContainer [2021-12-06 23:07:38,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:07:38,091 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 23:07:38,091 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 23:07:38,095 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 23:07:38,095 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 23:07:38,095 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 11:07:37" (1/3) ... [2021-12-06 23:07:38,096 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1622e268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 11:07:38, skipping insertion in model container [2021-12-06 23:07:38,096 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 23:07:38,097 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:07:37" (2/3) ... [2021-12-06 23:07:38,097 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1622e268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 11:07:38, skipping insertion in model container [2021-12-06 23:07:38,097 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 23:07:38,097 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:07:38" (3/3) ... [2021-12-06 23:07:38,098 INFO L388 chiAutomizerObserver]: Analyzing ICFG pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c [2021-12-06 23:07:38,129 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 23:07:38,129 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 23:07:38,129 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 23:07:38,129 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 23:07:38,129 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 23:07:38,129 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 23:07:38,129 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 23:07:38,129 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 23:07:38,144 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.7314814814814814) internal successors, (187), 108 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:07:38,170 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 59 [2021-12-06 23:07:38,170 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:07:38,170 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:07:38,178 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:07:38,178 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] [2021-12-06 23:07:38,179 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 23:07:38,179 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.7314814814814814) internal successors, (187), 108 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:07:38,186 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 59 [2021-12-06 23:07:38,186 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:07:38,187 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:07:38,188 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:07:38,188 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] [2021-12-06 23:07:38,195 INFO L791 eck$LassoCheckResult]: Stem: 92#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 28#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~send1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~mode1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~id3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~st3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~send3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~st4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~send4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~mode4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~id5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~send5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id6~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~send6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 59#L230true assume !(0 == ~r1~0 % 256);init_~tmp~0#1 := 0; 104#L230-1true init_#res#1 := init_~tmp~0#1; 68#L391true main_#t~ret35#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret35#1;havoc main_#t~ret35#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 33#L24true assume !(0 == assume_abort_if_not_~cond#1); 11#L23true assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 25#L469-2true [2021-12-06 23:07:38,197 INFO L793 eck$LassoCheckResult]: Loop: 25#L469-2true assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 9#L80true assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 90#L84true assume !(node1_~m1~0#1 != ~nomsg~0); 98#L84-1true ~mode1~0 := 0; 15#L80-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 89#L106true assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 84#L109true assume !(node2_~m2~0#1 != ~nomsg~0); 94#L109-1true ~mode2~0 := 0; 35#L106-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 29#L131true assume !(0 != ~mode3~0 % 256); 6#L144true assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 58#L144-2true ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 74#L131-2true assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 102#L156true assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 60#L159true assume !(node4_~m4~0#1 != ~nomsg~0); 80#L159-1true ~mode4~0 := 0; 27#L156-2true assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 73#L181true assume !(0 != ~mode5~0 % 256); 75#L194true assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 101#L194-2true ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 31#L181-2true assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 24#L206true assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 83#L209true assume !(node6_~m6~0#1 != ~nomsg~0); 108#L209-1true ~mode6~0 := 0; 55#L206-2true assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 52#L399true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1#1 := 0; 97#L399-1true check_#res#1 := check_~tmp~1#1; 4#L419true main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 32#L501true assume !(0 == assert_~arg#1 % 256); 66#L496true assume { :end_inline_assert } true; 25#L469-2true [2021-12-06 23:07:38,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:07:38,203 INFO L85 PathProgramCache]: Analyzing trace with hash 2030119858, now seen corresponding path program 1 times [2021-12-06 23:07:38,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:07:38,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211011249] [2021-12-06 23:07:38,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:07:38,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:07:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:07:38,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:07:38,379 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:07:38,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211011249] [2021-12-06 23:07:38,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211011249] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:07:38,380 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:07:38,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:07:38,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681621388] [2021-12-06 23:07:38,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:07:38,385 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 23:07:38,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:07:38,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1889928533, now seen corresponding path program 1 times [2021-12-06 23:07:38,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:07:38,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131234132] [2021-12-06 23:07:38,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:07:38,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:07:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:07:38,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:07:38,500 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:07:38,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131234132] [2021-12-06 23:07:38,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131234132] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:07:38,500 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:07:38,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:07:38,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900970334] [2021-12-06 23:07:38,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:07:38,501 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 23:07:38,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:07:38,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:07:38,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:07:38,526 INFO L87 Difference]: Start difference. First operand has 109 states, 108 states have (on average 1.7314814814814814) internal successors, (187), 108 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:07:38,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:07:38,600 INFO L93 Difference]: Finished difference Result 108 states and 182 transitions. [2021-12-06 23:07:38,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 23:07:38,605 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 182 transitions. [2021-12-06 23:07:38,609 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2021-12-06 23:07:38,614 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 104 states and 139 transitions. [2021-12-06 23:07:38,615 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 104 [2021-12-06 23:07:38,615 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 104 [2021-12-06 23:07:38,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 104 states and 139 transitions. [2021-12-06 23:07:38,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:07:38,617 INFO L681 BuchiCegarLoop]: Abstraction has 104 states and 139 transitions. [2021-12-06 23:07:38,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states and 139 transitions. [2021-12-06 23:07:38,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-12-06 23:07:38,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 104 states have (on average 1.3365384615384615) internal successors, (139), 103 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:07:38,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 139 transitions. [2021-12-06 23:07:38,648 INFO L704 BuchiCegarLoop]: Abstraction has 104 states and 139 transitions. [2021-12-06 23:07:38,648 INFO L587 BuchiCegarLoop]: Abstraction has 104 states and 139 transitions. [2021-12-06 23:07:38,648 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 23:07:38,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states and 139 transitions. [2021-12-06 23:07:38,650 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2021-12-06 23:07:38,651 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:07:38,651 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:07:38,653 INFO L842 BuchiCegarLoop]: Counterexample stem 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] [2021-12-06 23:07:38,653 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] [2021-12-06 23:07:38,654 INFO L791 eck$LassoCheckResult]: Stem: 337#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 277#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~send1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~mode1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~id3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~st3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~send3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~st4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~send4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~mode4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~id5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~send5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id6~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~send6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 278#L230 assume 0 == ~r1~0 % 256; 319#L231 assume ~id1~0 >= 0; 323#L232 assume 0 == ~st1~0; 308#L233 assume ~send1~0 == ~id1~0; 309#L234 assume 0 == ~mode1~0 % 256; 318#L235 assume ~id2~0 >= 0; 301#L236 assume 0 == ~st2~0; 302#L237 assume ~send2~0 == ~id2~0; 263#L238 assume 0 == ~mode2~0 % 256; 264#L239 assume ~id3~0 >= 0; 261#L240 assume 0 == ~st3~0; 262#L241 assume ~send3~0 == ~id3~0; 266#L242 assume 0 == ~mode3~0 % 256; 322#L243 assume ~id4~0 >= 0; 241#L244 assume 0 == ~st4~0; 242#L245 assume ~send4~0 == ~id4~0; 265#L246 assume 0 == ~mode4~0 % 256; 307#L247 assume ~id5~0 >= 0; 333#L248 assume 0 == ~st5~0; 237#L249 assume ~send5~0 == ~id5~0; 238#L250 assume 0 == ~mode5~0 % 256; 324#L251 assume ~id6~0 >= 0; 288#L252 assume 0 == ~st6~0; 289#L253 assume ~send6~0 == ~id6~0; 296#L254 assume 0 == ~mode6~0 % 256; 255#L255 assume ~id1~0 != ~id2~0; 256#L256 assume ~id1~0 != ~id3~0; 290#L257 assume ~id1~0 != ~id4~0; 267#L258 assume ~id1~0 != ~id5~0; 268#L259 assume ~id1~0 != ~id6~0; 310#L260 assume ~id2~0 != ~id3~0; 311#L261 assume ~id2~0 != ~id4~0; 297#L262 assume ~id2~0 != ~id5~0; 298#L263 assume ~id2~0 != ~id6~0; 303#L264 assume ~id3~0 != ~id4~0; 304#L265 assume ~id3~0 != ~id5~0; 249#L266 assume ~id3~0 != ~id6~0; 250#L267 assume ~id4~0 != ~id5~0; 259#L268 assume ~id4~0 != ~id6~0; 260#L269 assume ~id5~0 != ~id6~0;init_~tmp~0#1 := 1; 305#L230-1 init_#res#1 := init_~tmp~0#1; 327#L391 main_#t~ret35#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret35#1;havoc main_#t~ret35#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 285#L24 assume !(0 == assume_abort_if_not_~cond#1); 251#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 252#L469-2 [2021-12-06 23:07:38,654 INFO L793 eck$LassoCheckResult]: Loop: 252#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 246#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 247#L84 assume !(node1_~m1~0#1 != ~nomsg~0); 274#L84-1 ~mode1~0 := 0; 257#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 258#L106 assume !(0 != ~mode2~0 % 256); 336#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 281#L119-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 282#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 279#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 280#L134 assume !(node3_~m3~0#1 != ~nomsg~0); 286#L134-1 ~mode3~0 := 0; 287#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 329#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 320#L159 assume !(node4_~m4~0#1 != ~nomsg~0); 292#L159-1 ~mode4~0 := 0; 275#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 276#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 325#L184 assume !(node5_~m5~0#1 != ~nomsg~0); 254#L184-1 ~mode5~0 := 0; 283#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 269#L206 assume !(0 != ~mode6~0 % 256); 270#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite9#1 := ~send6~0; 338#L219-2 ~p6_new~0 := (if node6_#t~ite9#1 % 256 <= 127 then node6_#t~ite9#1 % 256 else node6_#t~ite9#1 % 256 - 256);havoc node6_#t~ite9#1;~mode6~0 := 1; 317#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 312#L399 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1#1 := 0; 294#L399-1 check_#res#1 := check_~tmp~1#1; 235#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 236#L501 assume !(0 == assert_~arg#1 % 256); 284#L496 assume { :end_inline_assert } true; 252#L469-2 [2021-12-06 23:07:38,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:07:38,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 1 times [2021-12-06 23:07:38,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:07:38,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427495634] [2021-12-06 23:07:38,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:07:38,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:07:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:07:38,693 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:07:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:07:38,755 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:07:38,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:07:38,755 INFO L85 PathProgramCache]: Analyzing trace with hash 184711851, now seen corresponding path program 1 times [2021-12-06 23:07:38,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:07:38,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674211046] [2021-12-06 23:07:38,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:07:38,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:07:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:07:38,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:07:38,831 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:07:38,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674211046] [2021-12-06 23:07:38,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674211046] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:07:38,831 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:07:38,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:07:38,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052768687] [2021-12-06 23:07:38,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:07:38,832 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 23:07:38,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:07:38,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:07:38,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:07:38,833 INFO L87 Difference]: Start difference. First operand 104 states and 139 transitions. cyclomatic complexity: 36 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:07:38,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:07:38,863 INFO L93 Difference]: Finished difference Result 107 states and 141 transitions. [2021-12-06 23:07:38,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 23:07:38,864 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 107 states and 141 transitions. [2021-12-06 23:07:38,866 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2021-12-06 23:07:38,868 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 107 states to 104 states and 136 transitions. [2021-12-06 23:07:38,868 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 104 [2021-12-06 23:07:38,868 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 104 [2021-12-06 23:07:38,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 104 states and 136 transitions. [2021-12-06 23:07:38,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:07:38,869 INFO L681 BuchiCegarLoop]: Abstraction has 104 states and 136 transitions. [2021-12-06 23:07:38,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states and 136 transitions. [2021-12-06 23:07:38,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-12-06 23:07:38,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 104 states have (on average 1.3076923076923077) internal successors, (136), 103 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:07:38,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 136 transitions. [2021-12-06 23:07:38,876 INFO L704 BuchiCegarLoop]: Abstraction has 104 states and 136 transitions. [2021-12-06 23:07:38,876 INFO L587 BuchiCegarLoop]: Abstraction has 104 states and 136 transitions. [2021-12-06 23:07:38,876 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 23:07:38,876 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states and 136 transitions. [2021-12-06 23:07:38,878 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 58 [2021-12-06 23:07:38,878 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:07:38,878 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:07:38,880 INFO L842 BuchiCegarLoop]: Counterexample stem 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] [2021-12-06 23:07:38,880 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] [2021-12-06 23:07:38,880 INFO L791 eck$LassoCheckResult]: Stem: 560#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 500#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~send1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~mode1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~id3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~st3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~send3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~st4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~send4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~mode4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~id5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~send5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id6~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~send6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 501#L230 assume 0 == ~r1~0 % 256; 541#L231 assume ~id1~0 >= 0; 545#L232 assume 0 == ~st1~0; 530#L233 assume ~send1~0 == ~id1~0; 531#L234 assume 0 == ~mode1~0 % 256; 540#L235 assume ~id2~0 >= 0; 523#L236 assume 0 == ~st2~0; 524#L237 assume ~send2~0 == ~id2~0; 486#L238 assume 0 == ~mode2~0 % 256; 487#L239 assume ~id3~0 >= 0; 484#L240 assume 0 == ~st3~0; 485#L241 assume ~send3~0 == ~id3~0; 489#L242 assume 0 == ~mode3~0 % 256; 544#L243 assume ~id4~0 >= 0; 464#L244 assume 0 == ~st4~0; 465#L245 assume ~send4~0 == ~id4~0; 488#L246 assume 0 == ~mode4~0 % 256; 529#L247 assume ~id5~0 >= 0; 555#L248 assume 0 == ~st5~0; 460#L249 assume ~send5~0 == ~id5~0; 461#L250 assume 0 == ~mode5~0 % 256; 546#L251 assume ~id6~0 >= 0; 511#L252 assume 0 == ~st6~0; 512#L253 assume ~send6~0 == ~id6~0; 518#L254 assume 0 == ~mode6~0 % 256; 478#L255 assume ~id1~0 != ~id2~0; 479#L256 assume ~id1~0 != ~id3~0; 513#L257 assume ~id1~0 != ~id4~0; 490#L258 assume ~id1~0 != ~id5~0; 491#L259 assume ~id1~0 != ~id6~0; 532#L260 assume ~id2~0 != ~id3~0; 533#L261 assume ~id2~0 != ~id4~0; 519#L262 assume ~id2~0 != ~id5~0; 520#L263 assume ~id2~0 != ~id6~0; 525#L264 assume ~id3~0 != ~id4~0; 526#L265 assume ~id3~0 != ~id5~0; 472#L266 assume ~id3~0 != ~id6~0; 473#L267 assume ~id4~0 != ~id5~0; 482#L268 assume ~id4~0 != ~id6~0; 483#L269 assume ~id5~0 != ~id6~0;init_~tmp~0#1 := 1; 527#L230-1 init_#res#1 := init_~tmp~0#1; 549#L391 main_#t~ret35#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret35#1;havoc main_#t~ret35#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 508#L24 assume !(0 == assume_abort_if_not_~cond#1); 474#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 475#L469-2 [2021-12-06 23:07:38,881 INFO L793 eck$LassoCheckResult]: Loop: 475#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 469#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 470#L84 assume !(node1_~m1~0#1 != ~nomsg~0); 497#L84-1 ~mode1~0 := 0; 480#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 481#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 558#L109 assume !(node2_~m2~0#1 != ~nomsg~0); 538#L109-1 ~mode2~0 := 0; 505#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 502#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 503#L134 assume !(node3_~m3~0#1 != ~nomsg~0); 509#L134-1 ~mode3~0 := 0; 510#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 551#L156 assume !(0 != ~mode4~0 % 256); 521#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite7#1 := ~send4~0; 522#L169-2 ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 498#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 499#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 547#L184 assume !(node5_~m5~0#1 != ~nomsg~0); 477#L184-1 ~mode5~0 := 0; 506#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 492#L206 assume !(0 != ~mode6~0 % 256); 493#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite9#1 := ~send6~0; 561#L219-2 ~p6_new~0 := (if node6_#t~ite9#1 % 256 <= 127 then node6_#t~ite9#1 % 256 else node6_#t~ite9#1 % 256 - 256);havoc node6_#t~ite9#1;~mode6~0 := 1; 539#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 534#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 535#L400 assume ~r1~0 % 256 >= 6; 517#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 557#L399-1 check_#res#1 := check_~tmp~1#1; 458#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 459#L501 assume !(0 == assert_~arg#1 % 256); 507#L496 assume { :end_inline_assert } true; 475#L469-2 [2021-12-06 23:07:38,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:07:38,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 2 times [2021-12-06 23:07:38,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:07:38,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198759670] [2021-12-06 23:07:38,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:07:38,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:07:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:07:38,913 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:07:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:07:38,945 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:07:38,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:07:38,945 INFO L85 PathProgramCache]: Analyzing trace with hash 439824187, now seen corresponding path program 1 times [2021-12-06 23:07:38,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:07:38,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951141859] [2021-12-06 23:07:38,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:07:38,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:07:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:07:38,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:07:38,974 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:07:38,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951141859] [2021-12-06 23:07:38,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951141859] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:07:38,974 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:07:38,974 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:07:38,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758465044] [2021-12-06 23:07:38,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:07:38,975 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 23:07:38,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:07:38,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:07:38,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:07:38,976 INFO L87 Difference]: Start difference. First operand 104 states and 136 transitions. cyclomatic complexity: 33 Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:07:38,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:07:38,998 INFO L93 Difference]: Finished difference Result 156 states and 215 transitions. [2021-12-06 23:07:38,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:07:38,999 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 215 transitions. [2021-12-06 23:07:39,000 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 110 [2021-12-06 23:07:39,002 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 156 states and 215 transitions. [2021-12-06 23:07:39,003 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 156 [2021-12-06 23:07:39,003 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 156 [2021-12-06 23:07:39,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 156 states and 215 transitions. [2021-12-06 23:07:39,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:07:39,004 INFO L681 BuchiCegarLoop]: Abstraction has 156 states and 215 transitions. [2021-12-06 23:07:39,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states and 215 transitions. [2021-12-06 23:07:39,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2021-12-06 23:07:39,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 156 states have (on average 1.3782051282051282) internal successors, (215), 155 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:07:39,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 215 transitions. [2021-12-06 23:07:39,013 INFO L704 BuchiCegarLoop]: Abstraction has 156 states and 215 transitions. [2021-12-06 23:07:39,014 INFO L587 BuchiCegarLoop]: Abstraction has 156 states and 215 transitions. [2021-12-06 23:07:39,014 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 23:07:39,014 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 156 states and 215 transitions. [2021-12-06 23:07:39,015 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 110 [2021-12-06 23:07:39,015 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:07:39,015 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:07:39,016 INFO L842 BuchiCegarLoop]: Counterexample stem 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] [2021-12-06 23:07:39,017 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] [2021-12-06 23:07:39,017 INFO L791 eck$LassoCheckResult]: Stem: 828#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 766#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~send1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~mode1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~id3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~st3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~send3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~st4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~send4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~mode4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~id5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~send5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id6~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~send6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 767#L230 assume 0 == ~r1~0 % 256; 807#L231 assume ~id1~0 >= 0; 812#L232 assume 0 == ~st1~0; 796#L233 assume ~send1~0 == ~id1~0; 797#L234 assume 0 == ~mode1~0 % 256; 806#L235 assume ~id2~0 >= 0; 789#L236 assume 0 == ~st2~0; 790#L237 assume ~send2~0 == ~id2~0; 752#L238 assume 0 == ~mode2~0 % 256; 753#L239 assume ~id3~0 >= 0; 750#L240 assume 0 == ~st3~0; 751#L241 assume ~send3~0 == ~id3~0; 755#L242 assume 0 == ~mode3~0 % 256; 811#L243 assume ~id4~0 >= 0; 730#L244 assume 0 == ~st4~0; 731#L245 assume ~send4~0 == ~id4~0; 754#L246 assume 0 == ~mode4~0 % 256; 795#L247 assume ~id5~0 >= 0; 822#L248 assume 0 == ~st5~0; 726#L249 assume ~send5~0 == ~id5~0; 727#L250 assume 0 == ~mode5~0 % 256; 813#L251 assume ~id6~0 >= 0; 777#L252 assume 0 == ~st6~0; 778#L253 assume ~send6~0 == ~id6~0; 784#L254 assume 0 == ~mode6~0 % 256; 744#L255 assume ~id1~0 != ~id2~0; 745#L256 assume ~id1~0 != ~id3~0; 779#L257 assume ~id1~0 != ~id4~0; 756#L258 assume ~id1~0 != ~id5~0; 757#L259 assume ~id1~0 != ~id6~0; 798#L260 assume ~id2~0 != ~id3~0; 799#L261 assume ~id2~0 != ~id4~0; 785#L262 assume ~id2~0 != ~id5~0; 786#L263 assume ~id2~0 != ~id6~0; 791#L264 assume ~id3~0 != ~id4~0; 792#L265 assume ~id3~0 != ~id5~0; 738#L266 assume ~id3~0 != ~id6~0; 739#L267 assume ~id4~0 != ~id5~0; 748#L268 assume ~id4~0 != ~id6~0; 749#L269 assume ~id5~0 != ~id6~0;init_~tmp~0#1 := 1; 793#L230-1 init_#res#1 := init_~tmp~0#1; 816#L391 main_#t~ret35#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret35#1;havoc main_#t~ret35#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 774#L24 assume !(0 == assume_abort_if_not_~cond#1); 740#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 741#L469-2 [2021-12-06 23:07:39,017 INFO L793 eck$LassoCheckResult]: Loop: 741#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 735#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 736#L84 assume !(node1_~m1~0#1 != ~nomsg~0); 763#L84-1 ~mode1~0 := 0; 746#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 747#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 826#L109 assume !(node2_~m2~0#1 != ~nomsg~0); 804#L109-1 ~mode2~0 := 0; 771#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 768#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 769#L134 assume !(node3_~m3~0#1 != ~nomsg~0); 775#L134-1 ~mode3~0 := 0; 776#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 818#L156 assume !(0 != ~mode4~0 % 256); 787#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite7#1 := ~send4~0; 788#L169-2 ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 764#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 765#L181 assume !(0 != ~mode5~0 % 256); 817#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 819#L194-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 772#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 758#L206 assume !(0 != ~mode6~0 % 256); 759#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite9#1 := ~send6~0; 835#L219-2 ~p6_new~0 := (if node6_#t~ite9#1 % 256 <= 127 then node6_#t~ite9#1 % 256 else node6_#t~ite9#1 % 256 - 256);havoc node6_#t~ite9#1;~mode6~0 := 1; 834#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 833#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 832#L400 assume !(~r1~0 % 256 >= 6); 782#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 783#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 829#L399-1 check_#res#1 := check_~tmp~1#1; 724#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 725#L501 assume !(0 == assert_~arg#1 % 256); 773#L496 assume { :end_inline_assert } true; 741#L469-2 [2021-12-06 23:07:39,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:07:39,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 3 times [2021-12-06 23:07:39,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:07:39,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891899086] [2021-12-06 23:07:39,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:07:39,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:07:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:07:39,037 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:07:39,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:07:39,065 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:07:39,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:07:39,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1811628521, now seen corresponding path program 1 times [2021-12-06 23:07:39,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:07:39,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208767877] [2021-12-06 23:07:39,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:07:39,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:07:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:07:39,080 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:07:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:07:39,098 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:07:39,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:07:39,098 INFO L85 PathProgramCache]: Analyzing trace with hash 892160821, now seen corresponding path program 1 times [2021-12-06 23:07:39,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:07:39,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943673913] [2021-12-06 23:07:39,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:07:39,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:07:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:07:39,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:07:39,148 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:07:39,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943673913] [2021-12-06 23:07:39,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943673913] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:07:39,148 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:07:39,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:07:39,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633606690] [2021-12-06 23:07:39,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:07:40,150 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 23:07:40,151 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 23:07:40,151 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 23:07:40,151 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 23:07:40,151 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 23:07:40,151 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:07:40,151 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 23:07:40,151 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 23:07:40,151 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c_Iteration4_Loop [2021-12-06 23:07:40,152 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 23:07:40,152 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 23:07:40,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:07:40,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:07:40,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:07:40,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:07:40,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:07:40,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:07:40,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:07:40,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:07:40,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:07:40,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:07:40,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:07:40,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:07:40,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:07:40,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:07:40,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:07:40,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:07:40,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:07:40,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:07:40,637 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-12-06 23:08:14,318 WARN L227 SmtUtils]: Spent 33.52s on a formula simplification. DAG size of input: 647 DAG size of output: 199 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-06 23:08:14,407 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 23:08:14,407 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 23:08:14,408 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:14,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:14,409 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:14,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 23:08:14,411 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 23:08:14,411 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 23:08:14,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 23:08:14,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:14,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:14,448 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:14,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 23:08:14,449 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 23:08:14,449 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 23:08:14,649 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 23:08:14,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 23:08:14,651 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 23:08:14,652 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 23:08:14,652 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 23:08:14,652 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 23:08:14,652 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 23:08:14,652 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:14,652 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 23:08:14,652 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 23:08:14,652 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c_Iteration4_Loop [2021-12-06 23:08:14,652 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 23:08:14,652 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 23:08:14,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:08:14,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:08:14,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:08:14,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:08:14,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:08:14,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:08:14,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:08:14,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:08:14,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:08:14,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:08:14,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:08:14,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:08:14,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:08:14,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:08:14,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:08:14,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:08:14,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:08:14,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:08:15,098 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-12-06 23:08:48,568 WARN L227 SmtUtils]: Spent 33.33s on a formula simplification. DAG size of input: 647 DAG size of output: 199 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-06 23:08:48,634 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 23:08:48,637 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 23:08:48,638 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:48,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:48,639 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:48,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 23:08:48,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:48,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:48,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:48,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:48,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:48,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:08:48,653 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:08:48,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:48,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:48,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-06 23:08:48,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:48,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:48,689 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:48,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 23:08:48,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:48,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:48,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:48,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:48,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:48,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:08:48,699 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:08:48,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:48,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:48,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-06 23:08:48,719 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:48,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:48,720 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:48,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 23:08:48,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:48,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:48,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:48,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:48,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:48,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:08:48,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:08:48,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:48,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:48,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 23:08:48,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:48,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:48,754 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:48,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 23:08:48,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:48,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:48,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:48,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:48,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:48,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:08:48,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:08:48,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:48,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:48,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 23:08:48,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:48,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:48,784 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:48,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 23:08:48,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:48,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:48,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:48,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:48,793 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2021-12-06 23:08:48,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:08:49,180 INFO L401 nArgumentSynthesizer]: We have 128 Motzkin's Theorem applications. [2021-12-06 23:08:49,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:49,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:49,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-06 23:08:49,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:49,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:49,995 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:49,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 23:08:49,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:50,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:50,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:50,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:50,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:50,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:08:50,005 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:08:50,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:50,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:50,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 23:08:50,025 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:50,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:50,025 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:50,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 23:08:50,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:50,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:50,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:50,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:50,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:50,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:08:50,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:08:50,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:50,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:50,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-06 23:08:50,058 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:50,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:50,059 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:50,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 23:08:50,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:50,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:50,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:50,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:50,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:50,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:08:50,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:08:50,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:50,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:50,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-06 23:08:50,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:50,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:50,087 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:50,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 23:08:50,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:50,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:50,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:50,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:50,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:50,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:08:50,096 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:08:50,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:50,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:50,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-06 23:08:50,116 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:50,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:50,116 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:50,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 23:08:50,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:50,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:50,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:50,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:50,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:50,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:08:50,125 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:08:50,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:50,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:50,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 23:08:50,144 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:50,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:50,145 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:50,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 23:08:50,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:50,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:50,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:50,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:50,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:50,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:08:50,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:08:50,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:50,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:50,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-06 23:08:50,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:50,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:50,174 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:50,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 23:08:50,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:50,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:50,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:50,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:50,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:50,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:08:50,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:08:50,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:50,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:50,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-06 23:08:50,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:50,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:50,203 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:50,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 23:08:50,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:50,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:50,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:50,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:50,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:50,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:08:50,212 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:08:50,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:50,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:50,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-06 23:08:50,232 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:50,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:50,233 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:50,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 23:08:50,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:50,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:50,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:50,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:50,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:50,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:08:50,242 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:08:50,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:50,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:50,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-06 23:08:50,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:50,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:50,262 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:50,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 23:08:50,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:50,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:50,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:50,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:50,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:50,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:08:50,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:08:50,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:50,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:50,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-06 23:08:50,289 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:50,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:50,290 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:50,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 23:08:50,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:50,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:50,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:50,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:50,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:50,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:08:50,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:08:50,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:50,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:50,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-06 23:08:50,319 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:50,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:50,319 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:50,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 23:08:50,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:50,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:50,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:50,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:50,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:50,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:08:50,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:08:50,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:50,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:50,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-06 23:08:50,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:50,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:50,363 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:50,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 23:08:50,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:50,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:50,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:50,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:50,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:50,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:08:50,372 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:08:50,372 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:50,373 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:50,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-12-06 23:08:50,392 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-06 23:08:50,392 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:50,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:50,393 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:50,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 23:08:50,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:50,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:50,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:50,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:50,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:50,401 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:08:50,402 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:08:50,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:50,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:50,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-06 23:08:50,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:50,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:50,423 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:50,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 23:08:50,424 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:50,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:50,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:50,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:50,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:50,431 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:08:50,432 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:08:50,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:50,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:50,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-06 23:08:50,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:50,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:50,453 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:50,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 23:08:50,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:50,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:50,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:50,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:50,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:50,461 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:08:50,462 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:08:50,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:50,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:50,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-06 23:08:50,481 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:50,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:50,482 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:50,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 23:08:50,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:50,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:50,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:50,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:50,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:50,491 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:08:50,491 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:08:50,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:50,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:50,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-06 23:08:50,511 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:50,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:50,511 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:50,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 23:08:50,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:50,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:50,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:50,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:50,521 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2021-12-06 23:08:50,521 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:08:50,891 INFO L401 nArgumentSynthesizer]: We have 192 Motzkin's Theorem applications. [2021-12-06 23:08:50,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:52,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:52,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-06 23:08:52,280 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:52,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:52,281 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:52,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 23:08:52,283 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:52,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:52,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:52,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:52,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:52,290 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:08:52,291 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:08:52,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:52,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:52,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-06 23:08:52,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:52,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:52,313 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:52,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-06 23:08:52,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:52,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:52,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:52,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:52,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:52,321 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:08:52,323 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:08:52,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:52,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:52,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-06 23:08:52,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:52,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:52,344 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:52,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-06 23:08:52,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:52,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:52,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:52,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:52,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:52,352 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:08:52,352 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:08:52,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:52,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:52,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-06 23:08:52,371 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:52,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:52,372 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:52,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-06 23:08:52,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:52,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:52,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:52,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:52,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:52,382 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:08:52,382 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:08:52,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:52,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:52,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-06 23:08:52,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:52,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:52,403 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:52,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-06 23:08:52,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:52,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:52,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:52,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:52,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:52,411 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:08:52,412 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:08:52,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:52,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:52,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-06 23:08:52,432 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:52,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:52,433 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:52,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-06 23:08:52,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:52,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:52,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:52,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:52,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:52,441 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:08:52,441 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:08:52,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:52,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:52,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-12-06 23:08:52,461 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:52,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:52,462 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:52,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-06 23:08:52,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:52,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:52,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:52,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:52,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:52,471 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:08:52,471 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:08:52,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:52,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:52,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-06 23:08:52,490 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:52,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:52,491 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:52,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-06 23:08:52,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:52,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:52,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:52,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:52,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:52,500 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:08:52,501 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:08:52,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:52,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:52,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-06 23:08:52,521 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:52,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:52,521 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:52,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-06 23:08:52,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:52,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:52,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:52,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:52,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:52,529 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:08:52,530 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:08:52,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:52,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:52,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-12-06 23:08:52,549 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:52,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:52,550 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:52,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-06 23:08:52,551 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:52,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:52,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:52,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:52,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:52,558 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:08:52,558 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:08:52,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:52,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:52,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-12-06 23:08:52,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:52,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:52,578 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:52,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-06 23:08:52,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:52,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:52,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:52,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:52,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:52,586 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:08:52,587 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:08:52,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:52,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:52,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-06 23:08:52,608 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:52,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:52,608 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:52,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-06 23:08:52,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:52,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:52,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:52,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:52,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:52,617 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:08:52,618 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:08:52,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:52,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:52,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-12-06 23:08:52,639 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:52,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:52,639 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:52,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-06 23:08:52,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:52,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:52,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:52,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:52,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:52,648 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:08:52,648 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:08:52,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:52,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:52,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-12-06 23:08:52,667 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-06 23:08:52,667 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:52,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:52,668 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:52,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-06 23:08:52,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:52,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:52,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:52,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:52,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:52,677 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:08:52,677 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:08:52,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:52,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:52,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-12-06 23:08:52,699 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:52,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:52,699 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:52,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-06 23:08:52,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:52,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:52,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:52,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:52,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:52,708 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:08:52,708 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:08:52,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:52,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:52,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-12-06 23:08:52,729 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:52,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:52,730 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:52,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-06 23:08:52,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:52,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:52,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:52,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:52,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:52,738 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:08:52,738 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:08:52,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:52,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:52,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-06 23:08:52,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:52,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:52,758 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:52,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-06 23:08:52,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:52,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:52,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:52,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:52,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:52,767 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:08:52,767 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:08:52,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:52,768 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:52,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-06 23:08:52,786 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:52,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:52,786 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:52,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-06 23:08:52,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:52,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:52,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:52,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:52,796 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2021-12-06 23:08:52,797 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:08:53,250 INFO L401 nArgumentSynthesizer]: We have 256 Motzkin's Theorem applications. [2021-12-06 23:08:53,250 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:55,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:55,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-06 23:08:55,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:55,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:55,325 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:55,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-06 23:08:55,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:55,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:55,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:55,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:55,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:55,335 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:08:55,336 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:08:55,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:55,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:55,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-06 23:08:55,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:55,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:55,357 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:55,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-06 23:08:55,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:55,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:55,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:55,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:55,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:55,365 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:08:55,366 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:08:55,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:55,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:55,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-06 23:08:55,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:55,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:55,388 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:55,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-06 23:08:55,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:55,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:55,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:55,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:55,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:55,396 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:08:55,396 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:08:55,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:55,397 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:55,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-06 23:08:55,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:55,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:55,416 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:55,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-06 23:08:55,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:55,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:55,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:55,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:55,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:55,425 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:08:55,426 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:08:55,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:55,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:55,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-12-06 23:08:55,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:55,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:55,447 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:55,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-06 23:08:55,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:55,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:55,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:55,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:55,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:55,455 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:08:55,456 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:08:55,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:55,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:55,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-06 23:08:55,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:55,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:55,478 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:55,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-06 23:08:55,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:55,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:55,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:55,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:55,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:55,487 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:08:55,487 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:08:55,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:55,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:55,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-12-06 23:08:55,506 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:55,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:55,507 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:55,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-06 23:08:55,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:55,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:55,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:55,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:55,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:55,515 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:08:55,516 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:08:55,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:55,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:55,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-06 23:08:55,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:55,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:55,536 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:55,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-06 23:08:55,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:55,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:55,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:55,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:55,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:55,545 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:08:55,546 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:08:55,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:55,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:55,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-12-06 23:08:55,567 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:55,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:55,567 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:55,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-06 23:08:55,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:55,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:55,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:55,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:55,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:55,576 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:08:55,576 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:08:55,576 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:55,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:55,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-06 23:08:55,595 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:55,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:55,595 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:55,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-06 23:08:55,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:55,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:55,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:55,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:55,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:55,605 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:08:55,605 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:08:55,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:55,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:55,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-12-06 23:08:55,625 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:55,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:55,626 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:55,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-06 23:08:55,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:55,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:55,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:55,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:55,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:55,634 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:08:55,634 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:08:55,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:55,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:55,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-06 23:08:55,655 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:55,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:55,655 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:55,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-06 23:08:55,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:55,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:55,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:55,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:55,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:55,664 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:08:55,665 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:08:55,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:55,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:55,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-12-06 23:08:55,686 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:55,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:55,686 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:55,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-06 23:08:55,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:55,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:55,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:55,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:55,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:55,695 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:08:55,696 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:08:55,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:55,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:55,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-12-06 23:08:55,715 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-12-06 23:08:55,715 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:55,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:55,716 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:55,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-06 23:08:55,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:55,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:55,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:55,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:55,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:55,725 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:08:55,726 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:08:55,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:55,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:55,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-12-06 23:08:55,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:55,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:55,747 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:55,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-06 23:08:55,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:55,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:55,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:55,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:55,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:55,756 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:08:55,757 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:08:55,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:55,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:55,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-12-06 23:08:55,778 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:55,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:55,778 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:55,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-06 23:08:55,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:55,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:55,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:55,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:55,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:55,787 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:08:55,787 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:08:55,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:55,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:55,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-12-06 23:08:55,806 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:55,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:55,807 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:55,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-06 23:08:55,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:55,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:55,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:55,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:55,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:55,815 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:08:55,815 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:08:55,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:55,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:55,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-12-06 23:08:55,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:55,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:55,835 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:55,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-06 23:08:55,837 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:55,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:55,846 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:55,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:55,846 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2021-12-06 23:08:55,846 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:08:56,376 INFO L401 nArgumentSynthesizer]: We have 320 Motzkin's Theorem applications. [2021-12-06 23:08:56,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:59,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:59,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-12-06 23:08:59,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:59,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:59,167 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:59,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-12-06 23:08:59,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:59,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:59,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:59,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:59,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:59,178 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:08:59,179 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:08:59,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:59,188 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:59,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-12-06 23:08:59,206 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:59,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:59,207 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:59,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-12-06 23:08:59,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:59,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:59,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:59,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:59,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:59,216 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:08:59,217 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:08:59,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:59,221 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:59,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-12-06 23:08:59,239 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:59,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:59,240 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:59,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-12-06 23:08:59,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:59,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:59,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:59,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:59,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:59,249 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:08:59,250 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:08:59,250 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:59,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:59,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-12-06 23:08:59,269 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:59,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:59,269 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:59,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-12-06 23:08:59,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:59,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:59,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:59,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:59,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:59,279 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:08:59,280 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:08:59,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:59,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:59,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-12-06 23:08:59,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:59,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:59,301 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:59,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-12-06 23:08:59,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:59,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:59,309 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:59,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:59,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:59,310 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:08:59,310 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:08:59,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:59,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:59,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-12-06 23:08:59,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:59,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:59,332 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:59,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-12-06 23:08:59,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:59,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:59,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:59,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:59,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:59,341 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:08:59,341 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:08:59,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:59,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:59,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-12-06 23:08:59,360 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:59,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:59,361 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:59,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-12-06 23:08:59,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:59,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:59,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:59,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:59,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:59,369 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:08:59,370 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:08:59,370 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:59,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:59,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-12-06 23:08:59,389 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:59,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:59,389 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:59,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-12-06 23:08:59,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:59,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:59,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:59,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:59,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:59,398 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:08:59,399 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:08:59,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:59,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:59,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-12-06 23:08:59,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:59,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:59,421 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:59,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-12-06 23:08:59,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:59,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:59,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:59,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:59,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:59,430 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:08:59,431 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:08:59,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:59,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:59,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-12-06 23:08:59,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:59,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:59,451 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:59,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-12-06 23:08:59,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:59,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:59,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:59,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:59,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:59,459 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:08:59,459 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:08:59,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:59,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:59,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-12-06 23:08:59,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:59,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:59,479 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:59,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-12-06 23:08:59,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:59,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:59,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:59,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:59,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:59,488 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:08:59,488 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:08:59,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:59,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:59,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-12-06 23:08:59,509 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:59,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:59,509 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:59,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-12-06 23:08:59,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:59,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:59,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:59,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:59,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:59,519 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:08:59,520 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:08:59,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:59,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:59,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-12-06 23:08:59,541 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:59,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:59,542 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:59,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-12-06 23:08:59,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:59,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:08:59,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:59,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:59,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:59,551 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:08:59,552 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:08:59,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:59,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:59,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-12-06 23:08:59,572 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-12-06 23:08:59,572 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:59,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:59,572 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:59,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-12-06 23:08:59,574 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:59,580 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:08:59,581 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:08:59,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:59,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:59,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:59,581 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:08:59,582 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:08:59,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:59,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:59,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-12-06 23:08:59,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:59,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:59,603 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:59,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-12-06 23:08:59,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:59,611 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:08:59,612 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:08:59,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:59,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:59,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:59,612 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:08:59,612 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:08:59,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:59,616 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:59,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-12-06 23:08:59,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:59,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:59,634 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:59,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-12-06 23:08:59,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:59,642 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:08:59,642 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:08:59,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:59,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:59,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:59,643 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:08:59,643 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:08:59,643 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:59,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:59,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-12-06 23:08:59,663 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:59,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:59,663 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:59,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-12-06 23:08:59,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:59,671 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:08:59,671 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:08:59,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:59,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:59,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:08:59,672 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:08:59,672 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:08:59,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:08:59,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:08:59,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-12-06 23:08:59,692 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:08:59,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:08:59,692 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:08:59,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-12-06 23:08:59,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:08:59,702 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:08:59,702 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:08:59,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:08:59,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:08:59,702 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2021-12-06 23:08:59,702 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:09:00,103 INFO L401 nArgumentSynthesizer]: We have 192 Motzkin's Theorem applications. [2021-12-06 23:09:00,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:03,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:03,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-12-06 23:09:03,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:03,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:03,236 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:03,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-12-06 23:09:03,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:03,247 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:03,247 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:03,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:03,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:03,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:03,247 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:09:03,249 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:09:03,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:03,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:03,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-12-06 23:09:03,270 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:03,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:03,271 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:03,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-12-06 23:09:03,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:03,280 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:03,280 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:03,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:03,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:03,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:03,280 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:09:03,281 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:09:03,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:03,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:03,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-12-06 23:09:03,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:03,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:03,303 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:03,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-12-06 23:09:03,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:03,313 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:03,313 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:03,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:03,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:03,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:03,313 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:09:03,314 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:09:03,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:03,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:03,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-12-06 23:09:03,333 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:03,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:03,334 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:03,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-12-06 23:09:03,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:03,342 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:03,342 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:03,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:03,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:03,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:03,342 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:09:03,343 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:09:03,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:03,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:03,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-12-06 23:09:03,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:03,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:03,365 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:03,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-12-06 23:09:03,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:03,373 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:03,373 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:03,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:03,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:03,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:03,374 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:09:03,374 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:09:03,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:03,377 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:03,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-12-06 23:09:03,395 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:03,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:03,396 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:03,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-12-06 23:09:03,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:03,404 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:03,405 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:03,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:03,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:03,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:03,405 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:09:03,405 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:09:03,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:03,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:03,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-12-06 23:09:03,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:03,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:03,425 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:03,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-12-06 23:09:03,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:03,434 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:03,434 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:03,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:03,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:03,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:03,434 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:09:03,434 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:09:03,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:03,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:03,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-12-06 23:09:03,454 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:03,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:03,455 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:03,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-12-06 23:09:03,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:03,463 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:03,463 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:03,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:03,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:03,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:03,463 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:09:03,464 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:09:03,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:03,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:03,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-12-06 23:09:03,484 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:03,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:03,485 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:03,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-12-06 23:09:03,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:03,495 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:03,495 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:03,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:03,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:03,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:03,495 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:09:03,495 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:09:03,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:03,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:03,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-12-06 23:09:03,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:03,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:03,516 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:03,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-12-06 23:09:03,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:03,525 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:03,525 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:03,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:03,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:03,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:03,525 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:09:03,526 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:09:03,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:03,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:03,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-12-06 23:09:03,545 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:03,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:03,546 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:03,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-12-06 23:09:03,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:03,554 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:03,554 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:03,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:03,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:03,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:03,554 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:09:03,555 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:09:03,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:03,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:03,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-12-06 23:09:03,576 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:03,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:03,577 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:03,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-12-06 23:09:03,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:03,586 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:03,587 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:03,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:03,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:03,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:03,587 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:09:03,588 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:09:03,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:03,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:03,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2021-12-06 23:09:03,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:03,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:03,610 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:03,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-12-06 23:09:03,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:03,618 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:03,618 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:03,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:03,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:03,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:03,619 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-06 23:09:03,619 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-06 23:09:03,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:03,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:03,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-12-06 23:09:03,639 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-12-06 23:09:03,640 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:03,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:03,640 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:03,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-12-06 23:09:03,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:03,649 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:03,649 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 23:09:03,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:03,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:03,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:03,649 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:03,650 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:03,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:03,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:03,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-12-06 23:09:03,673 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:03,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:03,674 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:03,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-12-06 23:09:03,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:03,683 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:03,684 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 23:09:03,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:03,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:03,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:03,684 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:03,685 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:03,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:03,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:03,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-12-06 23:09:03,715 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:03,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:03,716 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:03,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-12-06 23:09:03,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:03,725 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:03,725 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 23:09:03,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:03,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:03,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:03,726 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:03,726 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:03,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:03,728 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:03,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-12-06 23:09:03,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:03,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:03,747 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:03,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-12-06 23:09:03,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:03,758 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:03,758 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 23:09:03,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:03,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:03,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:03,758 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:03,758 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:03,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:03,761 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:03,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-12-06 23:09:03,778 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:03,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:03,779 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:03,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-12-06 23:09:03,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:03,790 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:03,790 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 23:09:03,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:03,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:03,790 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2021-12-06 23:09:03,790 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:04,427 INFO L401 nArgumentSynthesizer]: We have 256 Motzkin's Theorem applications. [2021-12-06 23:09:04,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:11,305 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:11,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-12-06 23:09:11,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:11,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:11,370 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:11,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-12-06 23:09:11,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:11,379 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:11,379 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 23:09:11,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:11,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:11,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:11,380 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:11,381 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:11,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:11,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:11,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-12-06 23:09:11,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:11,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:11,404 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:11,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-12-06 23:09:11,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:11,412 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:11,412 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 23:09:11,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:11,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:11,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:11,412 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:11,414 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:11,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:11,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:11,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-12-06 23:09:11,439 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:11,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:11,439 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:11,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-12-06 23:09:11,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:11,447 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:11,448 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 23:09:11,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:11,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:11,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:11,448 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:11,448 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:11,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:11,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:11,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-12-06 23:09:11,469 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:11,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:11,470 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:11,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-12-06 23:09:11,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:11,478 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:11,478 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 23:09:11,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:11,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:11,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:11,478 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:11,479 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:11,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:11,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:11,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-12-06 23:09:11,503 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:11,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:11,504 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:11,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-12-06 23:09:11,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:11,513 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:11,513 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 23:09:11,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:11,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:11,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:11,513 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:11,514 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:11,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:11,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:11,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-12-06 23:09:11,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:11,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:11,537 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:11,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-12-06 23:09:11,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:11,546 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:11,546 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 23:09:11,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:11,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:11,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:11,546 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:11,546 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:11,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:11,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:11,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-12-06 23:09:11,567 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:11,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:11,567 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:11,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-12-06 23:09:11,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:11,575 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:11,575 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 23:09:11,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:11,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:11,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:11,575 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:11,576 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:11,576 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:11,578 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:11,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-12-06 23:09:11,596 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:11,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:11,596 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:11,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-12-06 23:09:11,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:11,605 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:11,605 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 23:09:11,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:11,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:11,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:11,605 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:11,606 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:11,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:11,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:11,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-12-06 23:09:11,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:11,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:11,629 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:11,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-12-06 23:09:11,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:11,638 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:11,638 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 23:09:11,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:11,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:11,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:11,638 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:11,638 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:11,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:11,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:11,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2021-12-06 23:09:11,659 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:11,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:11,659 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:11,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-12-06 23:09:11,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:11,667 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:11,667 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 23:09:11,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:11,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:11,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:11,668 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:11,668 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:11,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:11,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:11,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-12-06 23:09:11,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:11,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:11,689 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:11,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-12-06 23:09:11,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:11,698 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:11,698 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 23:09:11,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:11,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:11,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:11,698 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:11,699 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:11,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:11,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:11,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-12-06 23:09:11,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:11,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:11,722 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:11,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-12-06 23:09:11,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:11,730 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:11,730 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 23:09:11,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:11,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:11,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:11,731 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:11,732 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:11,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:11,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:11,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2021-12-06 23:09:11,755 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:11,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:11,756 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:11,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-12-06 23:09:11,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:11,766 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:11,766 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-12-06 23:09:11,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:11,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:11,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:11,766 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:11,767 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:11,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:11,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:11,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2021-12-06 23:09:11,789 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-12-06 23:09:11,789 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:11,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:11,789 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:11,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-12-06 23:09:11,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:11,799 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:11,799 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:11,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:11,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:11,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:11,799 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:09:11,800 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:09:11,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:11,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:11,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2021-12-06 23:09:11,826 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:11,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:11,827 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:11,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-12-06 23:09:11,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:11,835 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:11,835 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:11,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:11,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:11,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:11,836 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:09:11,837 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:09:11,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:11,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:11,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2021-12-06 23:09:11,863 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:11,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:11,864 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:11,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-12-06 23:09:11,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:11,873 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:11,873 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:11,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:11,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:11,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:11,874 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:09:11,874 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:09:11,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:11,878 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:11,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2021-12-06 23:09:11,895 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:11,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:11,896 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:11,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-12-06 23:09:11,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:11,904 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:11,904 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:11,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:11,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:11,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:11,905 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:09:11,905 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:09:11,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:11,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:11,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2021-12-06 23:09:11,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:11,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:11,927 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:11,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-12-06 23:09:11,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:11,937 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:11,937 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:11,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:11,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:11,937 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2021-12-06 23:09:11,937 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:09:12,793 INFO L401 nArgumentSynthesizer]: We have 320 Motzkin's Theorem applications. [2021-12-06 23:09:12,794 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:27,431 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2021-12-06 23:09:27,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2021-12-06 23:09:27,488 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:27,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:27,489 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:27,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-12-06 23:09:27,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:27,499 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:27,499 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:27,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:27,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:27,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:27,499 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:09:27,501 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:09:27,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:27,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:27,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2021-12-06 23:09:27,526 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:27,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:27,527 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:27,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-12-06 23:09:27,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:27,535 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:27,535 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:27,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:27,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:27,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:27,535 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:09:27,537 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:09:27,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:27,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:27,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2021-12-06 23:09:27,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:27,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:27,565 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:27,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-12-06 23:09:27,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:27,574 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:27,574 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:27,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:27,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:27,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:27,574 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:09:27,575 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:09:27,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:27,578 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:27,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2021-12-06 23:09:27,597 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:27,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:27,597 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:27,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-12-06 23:09:27,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:27,605 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:27,606 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:27,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:27,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:27,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:27,606 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:09:27,607 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:09:27,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:27,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:27,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2021-12-06 23:09:27,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:27,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:27,633 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:27,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-12-06 23:09:27,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:27,643 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:27,643 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:27,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:27,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:27,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:27,643 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:09:27,645 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:09:27,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:27,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:27,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2021-12-06 23:09:27,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:27,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:27,670 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:27,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-12-06 23:09:27,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:27,679 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:27,679 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:27,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:27,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:27,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:27,679 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:09:27,680 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:09:27,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:27,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:27,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2021-12-06 23:09:27,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:27,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:27,702 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:27,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-12-06 23:09:27,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:27,710 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:27,710 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:27,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:27,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:27,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:27,711 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:09:27,711 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:09:27,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:27,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:27,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Ended with exit code 0 [2021-12-06 23:09:27,732 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:27,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:27,733 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:27,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-12-06 23:09:27,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:27,742 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:27,742 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:27,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:27,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:27,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:27,742 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:09:27,744 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:09:27,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:27,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:27,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2021-12-06 23:09:27,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:27,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:27,768 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:27,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-12-06 23:09:27,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:27,776 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:27,776 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:27,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:27,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:27,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:27,776 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:09:27,777 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:09:27,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:27,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:27,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Ended with exit code 0 [2021-12-06 23:09:27,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:27,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:27,799 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:27,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-12-06 23:09:27,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:27,807 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:27,807 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:27,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:27,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:27,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:27,807 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:09:27,808 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:09:27,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:27,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:27,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Forceful destruction successful, exit code 0 [2021-12-06 23:09:27,829 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:27,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:27,829 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:27,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-12-06 23:09:27,831 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:27,838 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:27,839 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:27,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:27,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:27,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:27,839 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:09:27,840 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:09:27,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:27,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:27,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2021-12-06 23:09:27,865 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:27,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:27,866 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:27,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-12-06 23:09:27,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:27,875 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:27,875 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:27,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:27,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:27,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:27,875 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:09:27,877 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:09:27,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:27,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:27,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Ended with exit code 0 [2021-12-06 23:09:27,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:27,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:27,904 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:27,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-12-06 23:09:27,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:27,913 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:27,913 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:27,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:27,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:27,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:27,913 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-12-06 23:09:27,914 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-12-06 23:09:27,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:27,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:27,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Ended with exit code 0 [2021-12-06 23:09:27,938 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-12-06 23:09:27,939 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:27,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:27,939 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:27,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-12-06 23:09:27,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:27,948 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:27,948 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:27,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:27,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:27,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:27,948 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:27,949 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:27,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:27,953 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:27,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2021-12-06 23:09:27,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:27,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:27,971 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:27,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-12-06 23:09:27,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:27,979 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:27,980 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:27,980 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:27,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:27,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:27,980 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:27,981 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:27,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:27,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:28,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Forceful destruction successful, exit code 0 [2021-12-06 23:09:28,002 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:28,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:28,003 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:28,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-12-06 23:09:28,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:28,011 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:28,011 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:28,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:28,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:28,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:28,012 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:28,012 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:28,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:28,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:28,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Ended with exit code 0 [2021-12-06 23:09:28,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:28,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:28,035 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:28,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-12-06 23:09:28,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:28,043 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:28,043 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:28,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:28,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:28,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:28,043 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:28,044 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:28,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:28,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:28,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Ended with exit code 0 [2021-12-06 23:09:28,063 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:28,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:28,064 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:28,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2021-12-06 23:09:28,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:28,073 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:28,073 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:28,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:28,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:28,074 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2021-12-06 23:09:28,074 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:28,613 INFO L401 nArgumentSynthesizer]: We have 256 Motzkin's Theorem applications. [2021-12-06 23:09:28,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:31,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:31,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Ended with exit code 0 [2021-12-06 23:09:31,834 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:31,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:31,835 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:31,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-12-06 23:09:31,837 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:31,845 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:31,845 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:31,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:31,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:31,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:31,845 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:31,846 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:31,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:31,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:31,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Ended with exit code 0 [2021-12-06 23:09:31,868 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:31,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:31,868 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:31,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-12-06 23:09:31,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:31,877 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:31,877 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:31,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:31,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:31,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:31,877 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:31,878 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:31,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:31,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:31,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Ended with exit code 0 [2021-12-06 23:09:31,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:31,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:31,901 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:31,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-12-06 23:09:31,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:31,909 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:31,910 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:31,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:31,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:31,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:31,910 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:31,910 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:31,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:31,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:31,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Ended with exit code 0 [2021-12-06 23:09:31,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:31,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:31,931 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:31,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-12-06 23:09:31,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:31,939 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:31,939 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:31,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:31,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:31,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:31,940 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:31,940 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:31,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:31,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:31,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Forceful destruction successful, exit code 0 [2021-12-06 23:09:31,962 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:31,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:31,962 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:31,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-12-06 23:09:31,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:31,971 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:31,971 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:31,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:31,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:31,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:31,971 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:31,972 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:31,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:31,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:31,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Ended with exit code 0 [2021-12-06 23:09:31,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:31,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:31,995 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:31,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-12-06 23:09:31,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:32,004 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:32,004 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:32,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:32,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:32,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:32,005 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:32,005 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:32,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:32,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:32,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Ended with exit code 0 [2021-12-06 23:09:32,024 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:32,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:32,025 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:32,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-12-06 23:09:32,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:32,034 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:32,034 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:32,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:32,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:32,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:32,034 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:32,034 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:32,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:32,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:32,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2021-12-06 23:09:32,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:32,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:32,054 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:32,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2021-12-06 23:09:32,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:32,062 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:32,062 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:32,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:32,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:32,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:32,062 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:32,063 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:32,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:32,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:32,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2021-12-06 23:09:32,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:32,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:32,085 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:32,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2021-12-06 23:09:32,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:32,093 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:32,093 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:32,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:32,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:32,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:32,094 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:32,094 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:32,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:32,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:32,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Ended with exit code 0 [2021-12-06 23:09:32,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:32,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:32,114 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:32,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2021-12-06 23:09:32,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:32,122 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:32,122 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:32,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:32,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:32,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:32,122 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:32,122 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:32,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:32,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:32,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Ended with exit code 0 [2021-12-06 23:09:32,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:32,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:32,143 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:32,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-12-06 23:09:32,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:32,151 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:32,151 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:32,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:32,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:32,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:32,151 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:32,151 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:32,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:32,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:32,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Ended with exit code 0 [2021-12-06 23:09:32,172 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:32,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:32,173 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:32,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2021-12-06 23:09:32,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:32,182 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:32,182 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:32,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:32,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:32,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:32,182 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:32,183 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:32,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:32,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:32,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Ended with exit code 0 [2021-12-06 23:09:32,206 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:32,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:32,206 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:32,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2021-12-06 23:09:32,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:32,214 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:32,214 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-12-06 23:09:32,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:32,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:32,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:32,214 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-06 23:09:32,215 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 23:09:32,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:32,217 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:32,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Ended with exit code 0 [2021-12-06 23:09:32,235 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-12-06 23:09:32,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:32,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:32,236 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:32,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2021-12-06 23:09:32,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:32,244 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:32,244 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:32,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:32,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:32,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:32,244 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 23:09:32,245 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:09:32,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:32,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:32,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Forceful destruction successful, exit code 0 [2021-12-06 23:09:32,269 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:32,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:32,270 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:32,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2021-12-06 23:09:32,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:32,278 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:32,278 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:32,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:32,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:32,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:32,278 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 23:09:32,279 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:09:32,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:32,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:32,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Ended with exit code 0 [2021-12-06 23:09:32,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:32,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:32,303 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:32,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2021-12-06 23:09:32,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:32,312 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:32,312 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:32,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:32,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:32,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:32,312 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 23:09:32,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:09:32,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:32,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:32,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Forceful destruction successful, exit code 0 [2021-12-06 23:09:32,333 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:32,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:32,334 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:32,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2021-12-06 23:09:32,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:32,342 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:32,342 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:32,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:32,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:32,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:32,342 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 23:09:32,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:09:32,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:32,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:32,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Ended with exit code 0 [2021-12-06 23:09:32,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:32,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:32,365 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:32,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2021-12-06 23:09:32,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:32,374 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:32,374 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:32,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:32,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:32,374 INFO L204 nArgumentSynthesizer]: 64 loop disjuncts [2021-12-06 23:09:32,374 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 23:09:33,184 INFO L401 nArgumentSynthesizer]: We have 384 Motzkin's Theorem applications. [2021-12-06 23:09:33,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:43,153 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:43,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Ended with exit code 0 [2021-12-06 23:09:43,221 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:43,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:43,222 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:43,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2021-12-06 23:09:43,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:43,231 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:43,231 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:43,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:43,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:43,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:43,231 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 23:09:43,233 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:09:43,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:43,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:43,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Ended with exit code 0 [2021-12-06 23:09:43,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:43,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:43,259 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:43,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2021-12-06 23:09:43,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:43,267 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:43,267 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:43,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:43,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:43,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:43,268 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 23:09:43,269 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:09:43,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:43,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:43,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Ended with exit code 0 [2021-12-06 23:09:43,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:43,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:43,295 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:43,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2021-12-06 23:09:43,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:43,303 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:43,303 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:43,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:43,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:43,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:43,303 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 23:09:43,304 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:09:43,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:43,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:43,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Ended with exit code 0 [2021-12-06 23:09:43,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:43,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:43,326 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:43,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2021-12-06 23:09:43,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:43,334 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:43,334 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:43,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:43,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:43,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:43,334 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 23:09:43,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:09:43,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:43,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:43,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Ended with exit code 0 [2021-12-06 23:09:43,359 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:43,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:43,359 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:43,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2021-12-06 23:09:43,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:43,368 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:43,368 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:43,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:43,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:43,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:43,368 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 23:09:43,369 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:09:43,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:43,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:43,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Ended with exit code 0 [2021-12-06 23:09:43,392 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:43,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:43,393 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:43,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2021-12-06 23:09:43,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:43,402 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:43,402 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:43,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:43,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:43,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:43,403 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 23:09:43,403 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:09:43,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:43,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:43,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Ended with exit code 0 [2021-12-06 23:09:43,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:43,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:43,424 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:43,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2021-12-06 23:09:43,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:43,434 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:43,434 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:43,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:43,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:43,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:43,435 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 23:09:43,435 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:09:43,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:43,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:43,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Ended with exit code 0 [2021-12-06 23:09:43,455 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:43,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:43,456 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:43,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2021-12-06 23:09:43,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:43,464 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:43,464 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:43,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:43,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:43,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:43,465 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 23:09:43,466 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:09:43,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:43,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:43,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Ended with exit code 0 [2021-12-06 23:09:43,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:43,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:43,489 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:43,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2021-12-06 23:09:43,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:43,499 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:43,499 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:43,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:43,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:43,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:43,499 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 23:09:43,500 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:09:43,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:43,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:43,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Forceful destruction successful, exit code 0 [2021-12-06 23:09:43,520 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:43,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:43,521 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:43,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2021-12-06 23:09:43,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:43,531 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:43,531 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:43,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:43,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:43,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:43,531 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 23:09:43,532 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:09:43,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:43,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:43,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Forceful destruction successful, exit code 0 [2021-12-06 23:09:43,552 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:43,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:43,553 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:43,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2021-12-06 23:09:43,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:43,563 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:43,563 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:43,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:43,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:43,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:43,563 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 23:09:43,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:09:43,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:43,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:43,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Ended with exit code 0 [2021-12-06 23:09:43,587 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:43,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:43,588 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:43,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2021-12-06 23:09:43,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:43,596 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:43,597 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:43,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:43,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:43,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:43,597 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 23:09:43,598 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:09:43,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:43,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:43,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Ended with exit code 0 [2021-12-06 23:09:43,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:43,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:09:43,623 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:09:43,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2021-12-06 23:09:43,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:09:43,631 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-12-06 23:09:43,632 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-12-06 23:09:43,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:09:43,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:09:43,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:09:43,632 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-12-06 23:09:43,633 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:09:43,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:09:43,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:09:43,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3ba0e6-0e84-4730-a21e-3c8d8ee012a0/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Ended with exit code 0 [2021-12-06 23:09:43,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:43,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:43,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:43,655 INFO L87 Difference]: Start difference. First operand 156 states and 215 transitions. cyclomatic complexity: 60 Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:43,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:43,669 INFO L93 Difference]: Finished difference Result 215 states and 301 transitions. [2021-12-06 23:09:43,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:43,670 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 215 states and 301 transitions. [2021-12-06 23:09:43,673 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 169 [2021-12-06 23:09:43,675 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 215 states to 215 states and 301 transitions. [2021-12-06 23:09:43,675 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 215 [2021-12-06 23:09:43,675 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 215 [2021-12-06 23:09:43,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 215 states and 301 transitions. [2021-12-06 23:09:43,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:09:43,677 INFO L681 BuchiCegarLoop]: Abstraction has 215 states and 301 transitions. [2021-12-06 23:09:43,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states and 301 transitions. [2021-12-06 23:09:43,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2021-12-06 23:09:43,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 215 states have (on average 1.4) internal successors, (301), 214 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:43,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 301 transitions. [2021-12-06 23:09:43,685 INFO L704 BuchiCegarLoop]: Abstraction has 215 states and 301 transitions. [2021-12-06 23:09:43,685 INFO L587 BuchiCegarLoop]: Abstraction has 215 states and 301 transitions. [2021-12-06 23:09:43,685 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-06 23:09:43,685 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 215 states and 301 transitions. [2021-12-06 23:09:43,686 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 169 [2021-12-06 23:09:43,686 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:09:43,686 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:09:43,688 INFO L842 BuchiCegarLoop]: Counterexample stem 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] [2021-12-06 23:09:43,688 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:43,688 INFO L791 eck$LassoCheckResult]: Stem: 1213#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 1145#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~send1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~mode1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~id3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~st3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~send3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~st4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~send4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~mode4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~id5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~send5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id6~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~send6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 1146#L230 assume 0 == ~r1~0 % 256; 1190#L231 assume ~id1~0 >= 0; 1192#L232 assume 0 == ~st1~0; 1175#L233 assume ~send1~0 == ~id1~0; 1176#L234 assume 0 == ~mode1~0 % 256; 1185#L235 assume ~id2~0 >= 0; 1168#L236 assume 0 == ~st2~0; 1169#L237 assume ~send2~0 == ~id2~0; 1130#L238 assume 0 == ~mode2~0 % 256; 1131#L239 assume ~id3~0 >= 0; 1128#L240 assume 0 == ~st3~0; 1129#L241 assume ~send3~0 == ~id3~0; 1133#L242 assume 0 == ~mode3~0 % 256; 1191#L243 assume ~id4~0 >= 0; 1109#L244 assume 0 == ~st4~0; 1110#L245 assume ~send4~0 == ~id4~0; 1132#L246 assume 0 == ~mode4~0 % 256; 1174#L247 assume ~id5~0 >= 0; 1207#L248 assume 0 == ~st5~0; 1105#L249 assume ~send5~0 == ~id5~0; 1106#L250 assume 0 == ~mode5~0 % 256; 1193#L251 assume ~id6~0 >= 0; 1156#L252 assume 0 == ~st6~0; 1157#L253 assume ~send6~0 == ~id6~0; 1163#L254 assume 0 == ~mode6~0 % 256; 1122#L255 assume ~id1~0 != ~id2~0; 1123#L256 assume ~id1~0 != ~id3~0; 1158#L257 assume ~id1~0 != ~id4~0; 1134#L258 assume ~id1~0 != ~id5~0; 1135#L259 assume ~id1~0 != ~id6~0; 1177#L260 assume ~id2~0 != ~id3~0; 1178#L261 assume ~id2~0 != ~id4~0; 1164#L262 assume ~id2~0 != ~id5~0; 1165#L263 assume ~id2~0 != ~id6~0; 1170#L264 assume ~id3~0 != ~id4~0; 1171#L265 assume ~id3~0 != ~id5~0; 1116#L266 assume ~id3~0 != ~id6~0; 1117#L267 assume ~id4~0 != ~id5~0; 1126#L268 assume ~id4~0 != ~id6~0; 1127#L269 assume ~id5~0 != ~id6~0;init_~tmp~0#1 := 1; 1172#L230-1 init_#res#1 := init_~tmp~0#1; 1197#L391 main_#t~ret35#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret35#1;havoc main_#t~ret35#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 1153#L24 assume !(0 == assume_abort_if_not_~cond#1); 1118#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 1119#L469-2 [2021-12-06 23:09:43,688 INFO L793 eck$LassoCheckResult]: Loop: 1119#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 1265#L80 assume !(0 != ~mode1~0 % 256); 1263#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite4#1 := ~p1_new~0; 1203#L94-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 1204#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 1313#L106 assume !(0 != ~mode2~0 % 256); 1314#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 1308#L119-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 1307#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 1306#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 1304#L134 assume !(node3_~m3~0#1 != ~nomsg~0); 1301#L134-1 ~mode3~0 := 0; 1299#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 1215#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 1186#L159 assume !(node4_~m4~0#1 != ~nomsg~0); 1160#L159-1 ~mode4~0 := 0; 1143#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 1144#L181 assume !(0 != ~mode5~0 % 256); 1198#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 1201#L194-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 1151#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 1136#L206 assume !(0 != ~mode6~0 % 256); 1137#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite9#1 := ~send6~0; 1280#L219-2 ~p6_new~0 := (if node6_#t~ite9#1 % 256 <= 127 then node6_#t~ite9#1 % 256 else node6_#t~ite9#1 % 256 - 256);havoc node6_#t~ite9#1;~mode6~0 := 1; 1279#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 1278#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 1219#L400 assume !(~r1~0 % 256 >= 6); 1220#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 1275#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 1273#L399-1 check_#res#1 := check_~tmp~1#1; 1271#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 1269#L501 assume !(0 == assert_~arg#1 % 256); 1267#L496 assume { :end_inline_assert } true; 1266#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 1264#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 1212#L84 assume !(node1_~m1~0#1 != ~nomsg~0); 1142#L84-1 ~mode1~0 := 0; 1124#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 1125#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 1209#L109 assume !(node2_~m2~0#1 != ~nomsg~0); 1184#L109-1 ~mode2~0 := 0; 1150#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 1147#L131 assume !(0 != ~mode3~0 % 256); 1107#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 1108#L144-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 1155#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 1200#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 1297#L159 assume !(node4_~m4~0#1 != ~nomsg~0); 1294#L159-1 ~mode4~0 := 0; 1292#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 1291#L181 assume !(0 != ~mode5~0 % 256); 1290#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 1289#L194-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 1287#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 1284#L206 assume !(0 != ~mode6~0 % 256); 1216#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite9#1 := ~send6~0; 1217#L219-2 ~p6_new~0 := (if node6_#t~ite9#1 % 256 <= 127 then node6_#t~ite9#1 % 256 else node6_#t~ite9#1 % 256 - 256);havoc node6_#t~ite9#1;~mode6~0 := 1; 1181#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 1179#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 1180#L400 assume !(~r1~0 % 256 >= 6); 1161#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 1162#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 1274#L399-1 check_#res#1 := check_~tmp~1#1; 1272#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 1270#L501 assume !(0 == assert_~arg#1 % 256); 1268#L496 assume { :end_inline_assert } true; 1119#L469-2 [2021-12-06 23:09:43,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:43,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 4 times [2021-12-06 23:09:43,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:43,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005382372] [2021-12-06 23:09:43,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:43,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:09:43,698 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:09:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:09:43,713 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:09:43,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:43,713 INFO L85 PathProgramCache]: Analyzing trace with hash -230852363, now seen corresponding path program 1 times [2021-12-06 23:09:43,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:43,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999271590] [2021-12-06 23:09:43,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:43,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:43,763 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:09:43,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:43,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999271590] [2021-12-06 23:09:43,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999271590] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:43,764 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:43,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:43,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584670438] [2021-12-06 23:09:43,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:43,764 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 23:09:43,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:43,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:43,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:43,765 INFO L87 Difference]: Start difference. First operand 215 states and 301 transitions. cyclomatic complexity: 87 Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:43,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:43,777 INFO L93 Difference]: Finished difference Result 372 states and 532 transitions. [2021-12-06 23:09:43,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:43,778 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 372 states and 532 transitions. [2021-12-06 23:09:43,780 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 326 [2021-12-06 23:09:43,782 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 372 states to 372 states and 532 transitions. [2021-12-06 23:09:43,783 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 372 [2021-12-06 23:09:43,783 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 372 [2021-12-06 23:09:43,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 372 states and 532 transitions. [2021-12-06 23:09:43,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:09:43,784 INFO L681 BuchiCegarLoop]: Abstraction has 372 states and 532 transitions. [2021-12-06 23:09:43,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states and 532 transitions. [2021-12-06 23:09:43,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 366. [2021-12-06 23:09:43,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 366 states have (on average 1.4289617486338797) internal successors, (523), 365 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:43,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 523 transitions. [2021-12-06 23:09:43,794 INFO L704 BuchiCegarLoop]: Abstraction has 366 states and 523 transitions. [2021-12-06 23:09:43,794 INFO L587 BuchiCegarLoop]: Abstraction has 366 states and 523 transitions. [2021-12-06 23:09:43,794 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-06 23:09:43,794 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 366 states and 523 transitions. [2021-12-06 23:09:43,796 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 320 [2021-12-06 23:09:43,796 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:09:43,796 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:09:43,797 INFO L842 BuchiCegarLoop]: Counterexample stem 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] [2021-12-06 23:09:43,798 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:43,798 INFO L791 eck$LassoCheckResult]: Stem: 1813#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 1739#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~send1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~mode1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~id3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~st3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~send3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~st4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~send4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~mode4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~id5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~send5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id6~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~send6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 1740#L230 assume 0 == ~r1~0 % 256; 1786#L231 assume ~id1~0 >= 0; 1788#L232 assume 0 == ~st1~0; 1770#L233 assume ~send1~0 == ~id1~0; 1771#L234 assume 0 == ~mode1~0 % 256; 1782#L235 assume ~id2~0 >= 0; 1763#L236 assume 0 == ~st2~0; 1764#L237 assume ~send2~0 == ~id2~0; 1723#L238 assume 0 == ~mode2~0 % 256; 1724#L239 assume ~id3~0 >= 0; 1721#L240 assume 0 == ~st3~0; 1722#L241 assume ~send3~0 == ~id3~0; 1726#L242 assume 0 == ~mode3~0 % 256; 1787#L243 assume ~id4~0 >= 0; 1702#L244 assume 0 == ~st4~0; 1703#L245 assume ~send4~0 == ~id4~0; 1725#L246 assume 0 == ~mode4~0 % 256; 1769#L247 assume ~id5~0 >= 0; 1804#L248 assume 0 == ~st5~0; 1698#L249 assume ~send5~0 == ~id5~0; 1699#L250 assume 0 == ~mode5~0 % 256; 1789#L251 assume ~id6~0 >= 0; 1751#L252 assume 0 == ~st6~0; 1752#L253 assume ~send6~0 == ~id6~0; 1758#L254 assume 0 == ~mode6~0 % 256; 1715#L255 assume ~id1~0 != ~id2~0; 1716#L256 assume ~id1~0 != ~id3~0; 1753#L257 assume ~id1~0 != ~id4~0; 1727#L258 assume ~id1~0 != ~id5~0; 1728#L259 assume ~id1~0 != ~id6~0; 1772#L260 assume ~id2~0 != ~id3~0; 1773#L261 assume ~id2~0 != ~id4~0; 1759#L262 assume ~id2~0 != ~id5~0; 1760#L263 assume ~id2~0 != ~id6~0; 1765#L264 assume ~id3~0 != ~id4~0; 1766#L265 assume ~id3~0 != ~id5~0; 1709#L266 assume ~id3~0 != ~id6~0; 1710#L267 assume ~id4~0 != ~id5~0; 1719#L268 assume ~id4~0 != ~id6~0; 1720#L269 assume ~id5~0 != ~id6~0;init_~tmp~0#1 := 1; 1767#L230-1 init_#res#1 := init_~tmp~0#1; 1792#L391 main_#t~ret35#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret35#1;havoc main_#t~ret35#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 1748#L24 assume !(0 == assume_abort_if_not_~cond#1); 1711#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 1712#L469-2 [2021-12-06 23:09:43,798 INFO L793 eck$LassoCheckResult]: Loop: 1712#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 1707#L80 assume !(0 != ~mode1~0 % 256); 1708#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite4#1 := ~p1_new~0; 1811#L94-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 1845#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 1844#L106 assume !(0 != ~mode2~0 % 256); 1840#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 1838#L119-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 1837#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 1836#L131 assume !(0 != ~mode3~0 % 256); 1832#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 1830#L144-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 1829#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 1826#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 1827#L159 assume !(node4_~m4~0#1 != ~nomsg~0); 1998#L159-1 ~mode4~0 := 0; 1997#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 1995#L181 assume !(0 != ~mode5~0 % 256); 1990#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 1987#L194-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 1981#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 1979#L206 assume !(0 != ~mode6~0 % 256); 1978#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite9#1 := ~send6~0; 1964#L219-2 ~p6_new~0 := (if node6_#t~ite9#1 % 256 <= 127 then node6_#t~ite9#1 % 256 else node6_#t~ite9#1 % 256 - 256);havoc node6_#t~ite9#1;~mode6~0 := 1; 1963#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 1962#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 1934#L400 assume ~r1~0 % 256 >= 6; 1807#L404 assume !(~r1~0 % 256 < 6); 1808#L408 assume 1 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0;check_~tmp~1#1 := 1; 1960#L399-1 check_#res#1 := check_~tmp~1#1; 2061#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 2060#L501 assume !(0 == assert_~arg#1 % 256); 2059#L496 assume { :end_inline_assert } true; 2058#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 2052#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 1824#L84 assume !(node1_~m1~0#1 != ~nomsg~0); 1818#L84-1 ~mode1~0 := 0; 1819#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 1953#L106 assume !(0 != ~mode2~0 % 256); 1949#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 1947#L119-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 1946#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 1945#L131 assume !(0 != ~mode3~0 % 256); 1941#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 1939#L144-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 1938#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 1937#L156 assume !(0 != ~mode4~0 % 256); 1890#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite7#1 := ~send4~0; 1932#L169-2 ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 1931#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 1930#L181 assume !(0 != ~mode5~0 % 256); 1926#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 1924#L194-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 1923#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 1922#L206 assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 1921#L209 assume !(node6_~m6~0#1 != ~nomsg~0); 1917#L209-1 ~mode6~0 := 0; 1915#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 1914#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 1913#L400 assume !(~r1~0 % 256 >= 6); 1911#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 1908#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 1860#L399-1 check_#res#1 := check_~tmp~1#1; 1858#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 1856#L501 assume !(0 == assert_~arg#1 % 256); 1854#L496 assume { :end_inline_assert } true; 1712#L469-2 [2021-12-06 23:09:43,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:43,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 5 times [2021-12-06 23:09:43,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:43,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013203987] [2021-12-06 23:09:43,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:43,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:09:43,807 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:09:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:09:43,819 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:09:43,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:43,820 INFO L85 PathProgramCache]: Analyzing trace with hash 495973400, now seen corresponding path program 1 times [2021-12-06 23:09:43,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:43,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431278862] [2021-12-06 23:09:43,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:43,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:43,851 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:09:43,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:43,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431278862] [2021-12-06 23:09:43,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431278862] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:43,852 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:43,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:43,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661240273] [2021-12-06 23:09:43,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:43,852 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 23:09:43,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:43,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:43,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:43,853 INFO L87 Difference]: Start difference. First operand 366 states and 523 transitions. cyclomatic complexity: 158 Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:43,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:43,877 INFO L93 Difference]: Finished difference Result 530 states and 773 transitions. [2021-12-06 23:09:43,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:43,878 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 530 states and 773 transitions. [2021-12-06 23:09:43,881 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 482 [2021-12-06 23:09:43,885 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 530 states to 528 states and 771 transitions. [2021-12-06 23:09:43,885 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 528 [2021-12-06 23:09:43,885 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 528 [2021-12-06 23:09:43,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 528 states and 771 transitions. [2021-12-06 23:09:43,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:09:43,886 INFO L681 BuchiCegarLoop]: Abstraction has 528 states and 771 transitions. [2021-12-06 23:09:43,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states and 771 transitions. [2021-12-06 23:09:43,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 454. [2021-12-06 23:09:43,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 454 states have (on average 1.4581497797356828) internal successors, (662), 453 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:43,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 662 transitions. [2021-12-06 23:09:43,895 INFO L704 BuchiCegarLoop]: Abstraction has 454 states and 662 transitions. [2021-12-06 23:09:43,895 INFO L587 BuchiCegarLoop]: Abstraction has 454 states and 662 transitions. [2021-12-06 23:09:43,895 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-06 23:09:43,896 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 454 states and 662 transitions. [2021-12-06 23:09:43,897 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 408 [2021-12-06 23:09:43,897 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:09:43,897 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:09:43,899 INFO L842 BuchiCegarLoop]: Counterexample stem 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] [2021-12-06 23:09:43,899 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:43,899 INFO L791 eck$LassoCheckResult]: Stem: 2714#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 2640#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~send1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~mode1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~id3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~st3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~send3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~st4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~send4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~mode4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~id5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~send5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id6~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~send6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 2641#L230 assume 0 == ~r1~0 % 256; 2683#L231 assume ~id1~0 >= 0; 2688#L232 assume 0 == ~st1~0; 2672#L233 assume ~send1~0 == ~id1~0; 2673#L234 assume 0 == ~mode1~0 % 256; 2682#L235 assume ~id2~0 >= 0; 2664#L236 assume 0 == ~st2~0; 2665#L237 assume ~send2~0 == ~id2~0; 2625#L238 assume 0 == ~mode2~0 % 256; 2626#L239 assume ~id3~0 >= 0; 2623#L240 assume 0 == ~st3~0; 2624#L241 assume ~send3~0 == ~id3~0; 2628#L242 assume 0 == ~mode3~0 % 256; 2687#L243 assume ~id4~0 >= 0; 2604#L244 assume 0 == ~st4~0; 2605#L245 assume ~send4~0 == ~id4~0; 2627#L246 assume 0 == ~mode4~0 % 256; 2671#L247 assume ~id5~0 >= 0; 2704#L248 assume 0 == ~st5~0; 2600#L249 assume ~send5~0 == ~id5~0; 2601#L250 assume 0 == ~mode5~0 % 256; 2689#L251 assume ~id6~0 >= 0; 2652#L252 assume 0 == ~st6~0; 2653#L253 assume ~send6~0 == ~id6~0; 2659#L254 assume 0 == ~mode6~0 % 256; 2617#L255 assume ~id1~0 != ~id2~0; 2618#L256 assume ~id1~0 != ~id3~0; 2654#L257 assume ~id1~0 != ~id4~0; 2629#L258 assume ~id1~0 != ~id5~0; 2630#L259 assume ~id1~0 != ~id6~0; 2674#L260 assume ~id2~0 != ~id3~0; 2675#L261 assume ~id2~0 != ~id4~0; 2660#L262 assume ~id2~0 != ~id5~0; 2661#L263 assume ~id2~0 != ~id6~0; 2666#L264 assume ~id3~0 != ~id4~0; 2667#L265 assume ~id3~0 != ~id5~0; 2611#L266 assume ~id3~0 != ~id6~0; 2612#L267 assume ~id4~0 != ~id5~0; 2621#L268 assume ~id4~0 != ~id6~0; 2622#L269 assume ~id5~0 != ~id6~0;init_~tmp~0#1 := 1; 2668#L230-1 init_#res#1 := init_~tmp~0#1; 2694#L391 main_#t~ret35#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret35#1;havoc main_#t~ret35#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 2649#L24 assume !(0 == assume_abort_if_not_~cond#1); 2613#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 2614#L469-2 [2021-12-06 23:09:43,899 INFO L793 eck$LassoCheckResult]: Loop: 2614#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 2836#L80 assume !(0 != ~mode1~0 % 256); 2833#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite4#1 := ~p1_new~0; 2830#L94-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 2828#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 2826#L106 assume !(0 != ~mode2~0 % 256); 2820#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 2814#L119-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 2811#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 2809#L131 assume !(0 != ~mode3~0 % 256); 2803#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 2798#L144-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 2795#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 2793#L156 assume !(0 != ~mode4~0 % 256); 2788#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite7#1 := ~send4~0; 2785#L169-2 ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 2786#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 2875#L181 assume !(0 != ~mode5~0 % 256); 2874#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 2871#L194-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 2773#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 2772#L206 assume !(0 != ~mode6~0 % 256); 2740#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite9#1 := ~send6~0; 2741#L219-2 ~p6_new~0 := (if node6_#t~ite9#1 % 256 <= 127 then node6_#t~ite9#1 % 256 else node6_#t~ite9#1 % 256 - 256);havoc node6_#t~ite9#1;~mode6~0 := 1; 2733#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 2734#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 2726#L400 assume !(~r1~0 % 256 >= 6); 2727#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 2753#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 2754#L399-1 check_#res#1 := check_~tmp~1#1; 2853#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 2849#L501 assume !(0 == assert_~arg#1 % 256); 2845#L496 assume { :end_inline_assert } true; 2841#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 2837#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 2838#L84 assume !(node1_~m1~0#1 != ~nomsg~0); 2946#L84-1 ~mode1~0 := 0; 2944#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 2942#L106 assume !(0 != ~mode2~0 % 256); 2937#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 2935#L119-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 2929#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 2926#L131 assume !(0 != ~mode3~0 % 256); 2921#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 2919#L144-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 2913#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 2909#L156 assume !(0 != ~mode4~0 % 256); 2910#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite7#1 := ~send4~0; 2967#L169-2 ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 2965#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 2963#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 2962#L184 assume !(node5_~m5~0#1 != ~nomsg~0); 2957#L184-1 ~mode5~0 := 0; 2751#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 2752#L206 assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 2771#L209 assume !(node6_~m6~0#1 != ~nomsg~0); 2738#L209-1 ~mode6~0 := 0; 2737#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 2730#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 2731#L400 assume !(~r1~0 % 256 >= 6); 2657#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 2658#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 2857#L399-1 check_#res#1 := check_~tmp~1#1; 2852#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 2848#L501 assume !(0 == assert_~arg#1 % 256); 2844#L496 assume { :end_inline_assert } true; 2614#L469-2 [2021-12-06 23:09:43,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:43,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 6 times [2021-12-06 23:09:43,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:43,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101300090] [2021-12-06 23:09:43,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:43,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:09:43,907 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:09:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:09:43,919 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:09:43,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:43,920 INFO L85 PathProgramCache]: Analyzing trace with hash -748828191, now seen corresponding path program 1 times [2021-12-06 23:09:43,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:43,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326438641] [2021-12-06 23:09:43,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:43,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:43,956 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:09:43,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:43,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326438641] [2021-12-06 23:09:43,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326438641] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:43,957 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:43,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:43,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993044325] [2021-12-06 23:09:43,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:43,957 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 23:09:43,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:43,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:43,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:43,958 INFO L87 Difference]: Start difference. First operand 454 states and 662 transitions. cyclomatic complexity: 209 Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:43,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:43,971 INFO L93 Difference]: Finished difference Result 846 states and 1246 transitions. [2021-12-06 23:09:43,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:43,972 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 846 states and 1246 transitions. [2021-12-06 23:09:43,977 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 800 [2021-12-06 23:09:43,982 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 846 states to 846 states and 1246 transitions. [2021-12-06 23:09:43,982 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 846 [2021-12-06 23:09:43,983 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 846 [2021-12-06 23:09:43,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 846 states and 1246 transitions. [2021-12-06 23:09:43,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:09:43,984 INFO L681 BuchiCegarLoop]: Abstraction has 846 states and 1246 transitions. [2021-12-06 23:09:43,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states and 1246 transitions. [2021-12-06 23:09:43,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 814. [2021-12-06 23:09:43,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 814 states, 814 states have (on average 1.461916461916462) internal successors, (1190), 813 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:43,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 1190 transitions. [2021-12-06 23:09:43,998 INFO L704 BuchiCegarLoop]: Abstraction has 814 states and 1190 transitions. [2021-12-06 23:09:43,998 INFO L587 BuchiCegarLoop]: Abstraction has 814 states and 1190 transitions. [2021-12-06 23:09:43,998 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-06 23:09:43,998 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 814 states and 1190 transitions. [2021-12-06 23:09:44,001 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 768 [2021-12-06 23:09:44,001 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:09:44,001 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:09:44,003 INFO L842 BuchiCegarLoop]: Counterexample stem 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] [2021-12-06 23:09:44,003 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:44,003 INFO L791 eck$LassoCheckResult]: Stem: 4023#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 3947#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~send1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~mode1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~id3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~st3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~send3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~st4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~send4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~mode4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~id5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~send5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id6~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~send6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 3948#L230 assume 0 == ~r1~0 % 256; 3994#L231 assume ~id1~0 >= 0; 4000#L232 assume 0 == ~st1~0; 3981#L233 assume ~send1~0 == ~id1~0; 3982#L234 assume 0 == ~mode1~0 % 256; 3992#L235 assume ~id2~0 >= 0; 3973#L236 assume 0 == ~st2~0; 3974#L237 assume ~send2~0 == ~id2~0; 3931#L238 assume 0 == ~mode2~0 % 256; 3932#L239 assume ~id3~0 >= 0; 3929#L240 assume 0 == ~st3~0; 3930#L241 assume ~send3~0 == ~id3~0; 3934#L242 assume 0 == ~mode3~0 % 256; 3999#L243 assume ~id4~0 >= 0; 3910#L244 assume 0 == ~st4~0; 3911#L245 assume ~send4~0 == ~id4~0; 3933#L246 assume 0 == ~mode4~0 % 256; 3980#L247 assume ~id5~0 >= 0; 4011#L248 assume 0 == ~st5~0; 3906#L249 assume ~send5~0 == ~id5~0; 3907#L250 assume 0 == ~mode5~0 % 256; 4001#L251 assume ~id6~0 >= 0; 3960#L252 assume 0 == ~st6~0; 3961#L253 assume ~send6~0 == ~id6~0; 3968#L254 assume 0 == ~mode6~0 % 256; 3923#L255 assume ~id1~0 != ~id2~0; 3924#L256 assume ~id1~0 != ~id3~0; 3962#L257 assume ~id1~0 != ~id4~0; 3935#L258 assume ~id1~0 != ~id5~0; 3936#L259 assume ~id1~0 != ~id6~0; 3983#L260 assume ~id2~0 != ~id3~0; 3984#L261 assume ~id2~0 != ~id4~0; 3969#L262 assume ~id2~0 != ~id5~0; 3970#L263 assume ~id2~0 != ~id6~0; 3975#L264 assume ~id3~0 != ~id4~0; 3976#L265 assume ~id3~0 != ~id5~0; 3917#L266 assume ~id3~0 != ~id6~0; 3918#L267 assume ~id4~0 != ~id5~0; 3927#L268 assume ~id4~0 != ~id6~0; 3928#L269 assume ~id5~0 != ~id6~0;init_~tmp~0#1 := 1; 3977#L230-1 init_#res#1 := init_~tmp~0#1; 4004#L391 main_#t~ret35#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret35#1;havoc main_#t~ret35#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 3957#L24 assume !(0 == assume_abort_if_not_~cond#1); 3919#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 3920#L469-2 [2021-12-06 23:09:44,003 INFO L793 eck$LassoCheckResult]: Loop: 3920#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 4400#L80 assume !(0 != ~mode1~0 % 256); 4396#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite4#1 := ~p1_new~0; 4394#L94-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 4392#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 4390#L106 assume !(0 != ~mode2~0 % 256); 4388#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 4387#L119-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 4386#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 4384#L131 assume !(0 != ~mode3~0 % 256); 4385#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 4671#L144-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 4670#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 4669#L156 assume !(0 != ~mode4~0 % 256); 4375#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite7#1 := ~send4~0; 4374#L169-2 ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 4373#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 4372#L181 assume !(0 != ~mode5~0 % 256); 4367#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 4364#L194-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 4362#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 4351#L206 assume !(0 != ~mode6~0 % 256); 4343#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite9#1 := ~send6~0; 4339#L219-2 ~p6_new~0 := (if node6_#t~ite9#1 % 256 <= 127 then node6_#t~ite9#1 % 256 else node6_#t~ite9#1 % 256 - 256);havoc node6_#t~ite9#1;~mode6~0 := 1; 4337#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 4335#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 4331#L400 assume !(~r1~0 % 256 >= 6); 4332#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 4334#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 4548#L399-1 check_#res#1 := check_~tmp~1#1; 4542#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 4538#L501 assume !(0 == assert_~arg#1 % 256); 4536#L496 assume { :end_inline_assert } true; 4534#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 4397#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 4398#L84 assume !(node1_~m1~0#1 != ~nomsg~0); 4307#L84-1 ~mode1~0 := 0; 4715#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 4018#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 4019#L109 assume !(node2_~m2~0#1 != ~nomsg~0); 4159#L109-1 ~mode2~0 := 0; 4184#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 4183#L131 assume !(0 != ~mode3~0 % 256); 4178#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 4173#L144-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 4171#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 4169#L156 assume !(0 != ~mode4~0 % 256); 4164#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite7#1 := ~send4~0; 4162#L169-2 ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 4153#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 4130#L181 assume !(0 != ~mode5~0 % 256); 4116#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 4113#L194-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 4109#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 4102#L206 assume !(0 != ~mode6~0 % 256); 4083#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite9#1 := ~send6~0; 4077#L219-2 ~p6_new~0 := (if node6_#t~ite9#1 % 256 <= 127 then node6_#t~ite9#1 % 256 else node6_#t~ite9#1 % 256 - 256);havoc node6_#t~ite9#1;~mode6~0 := 1; 4078#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 4069#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 4070#L400 assume !(~r1~0 % 256 >= 6); 4061#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 4062#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 4413#L399-1 check_#res#1 := check_~tmp~1#1; 4410#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 4407#L501 assume !(0 == assert_~arg#1 % 256); 4404#L496 assume { :end_inline_assert } true; 3920#L469-2 [2021-12-06 23:09:44,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:44,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 7 times [2021-12-06 23:09:44,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:44,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072698041] [2021-12-06 23:09:44,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:44,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:09:44,011 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:09:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:09:44,023 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:09:44,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:44,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1458179669, now seen corresponding path program 1 times [2021-12-06 23:09:44,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:44,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120151311] [2021-12-06 23:09:44,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:44,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:44,060 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:09:44,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:44,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120151311] [2021-12-06 23:09:44,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120151311] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:44,061 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:44,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:44,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278428991] [2021-12-06 23:09:44,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:44,061 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 23:09:44,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:44,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:44,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:44,062 INFO L87 Difference]: Start difference. First operand 814 states and 1190 transitions. cyclomatic complexity: 377 Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:44,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:44,089 INFO L93 Difference]: Finished difference Result 1550 states and 2270 transitions. [2021-12-06 23:09:44,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:44,090 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1550 states and 2270 transitions. [2021-12-06 23:09:44,098 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1504 [2021-12-06 23:09:44,107 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1550 states to 1550 states and 2270 transitions. [2021-12-06 23:09:44,107 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1550 [2021-12-06 23:09:44,109 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1550 [2021-12-06 23:09:44,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1550 states and 2270 transitions. [2021-12-06 23:09:44,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:09:44,110 INFO L681 BuchiCegarLoop]: Abstraction has 1550 states and 2270 transitions. [2021-12-06 23:09:44,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states and 2270 transitions. [2021-12-06 23:09:44,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1486. [2021-12-06 23:09:44,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1486 states, 1486 states have (on average 1.452220726783311) internal successors, (2158), 1485 states have internal predecessors, (2158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:44,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1486 states and 2158 transitions. [2021-12-06 23:09:44,135 INFO L704 BuchiCegarLoop]: Abstraction has 1486 states and 2158 transitions. [2021-12-06 23:09:44,135 INFO L587 BuchiCegarLoop]: Abstraction has 1486 states and 2158 transitions. [2021-12-06 23:09:44,135 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-06 23:09:44,135 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1486 states and 2158 transitions. [2021-12-06 23:09:44,140 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1440 [2021-12-06 23:09:44,140 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:09:44,140 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:09:44,142 INFO L842 BuchiCegarLoop]: Counterexample stem 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] [2021-12-06 23:09:44,142 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:44,142 INFO L791 eck$LassoCheckResult]: Stem: 6395#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 6317#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~send1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~mode1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~id3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~st3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~send3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~st4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~send4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~mode4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~id5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~send5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id6~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~send6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 6318#L230 assume 0 == ~r1~0 % 256; 6359#L231 assume ~id1~0 >= 0; 6365#L232 assume 0 == ~st1~0; 6347#L233 assume ~send1~0 == ~id1~0; 6348#L234 assume 0 == ~mode1~0 % 256; 6357#L235 assume ~id2~0 >= 0; 6340#L236 assume 0 == ~st2~0; 6341#L237 assume ~send2~0 == ~id2~0; 6301#L238 assume 0 == ~mode2~0 % 256; 6302#L239 assume ~id3~0 >= 0; 6299#L240 assume 0 == ~st3~0; 6300#L241 assume ~send3~0 == ~id3~0; 6304#L242 assume 0 == ~mode3~0 % 256; 6364#L243 assume ~id4~0 >= 0; 6280#L244 assume 0 == ~st4~0; 6281#L245 assume ~send4~0 == ~id4~0; 6303#L246 assume 0 == ~mode4~0 % 256; 6346#L247 assume ~id5~0 >= 0; 6383#L248 assume 0 == ~st5~0; 6276#L249 assume ~send5~0 == ~id5~0; 6277#L250 assume 0 == ~mode5~0 % 256; 6366#L251 assume ~id6~0 >= 0; 6328#L252 assume 0 == ~st6~0; 6329#L253 assume ~send6~0 == ~id6~0; 6335#L254 assume 0 == ~mode6~0 % 256; 6293#L255 assume ~id1~0 != ~id2~0; 6294#L256 assume ~id1~0 != ~id3~0; 6330#L257 assume ~id1~0 != ~id4~0; 6305#L258 assume ~id1~0 != ~id5~0; 6306#L259 assume ~id1~0 != ~id6~0; 6349#L260 assume ~id2~0 != ~id3~0; 6350#L261 assume ~id2~0 != ~id4~0; 6336#L262 assume ~id2~0 != ~id5~0; 6337#L263 assume ~id2~0 != ~id6~0; 6342#L264 assume ~id3~0 != ~id4~0; 6343#L265 assume ~id3~0 != ~id5~0; 6287#L266 assume ~id3~0 != ~id6~0; 6288#L267 assume ~id4~0 != ~id5~0; 6297#L268 assume ~id4~0 != ~id6~0; 6298#L269 assume ~id5~0 != ~id6~0;init_~tmp~0#1 := 1; 6344#L230-1 init_#res#1 := init_~tmp~0#1; 6370#L391 main_#t~ret35#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret35#1;havoc main_#t~ret35#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 6325#L24 assume !(0 == assume_abort_if_not_~cond#1); 6289#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 6290#L469-2 [2021-12-06 23:09:44,142 INFO L793 eck$LassoCheckResult]: Loop: 6290#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 6784#L80 assume !(0 != ~mode1~0 % 256); 6714#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite4#1 := ~p1_new~0; 6715#L94-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 6698#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 6699#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 6688#L109 assume !(node2_~m2~0#1 != ~nomsg~0); 6687#L109-1 ~mode2~0 := 0; 6680#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 6681#L131 assume !(0 != ~mode3~0 % 256); 6864#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 6863#L144-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 6862#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 6858#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 6859#L159 assume !(node4_~m4~0#1 != ~nomsg~0); 7476#L159-1 ~mode4~0 := 0; 7475#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 7473#L181 assume !(0 != ~mode5~0 % 256); 7462#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 7456#L194-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 7453#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 7450#L206 assume !(0 != ~mode6~0 % 256); 7440#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite9#1 := ~send6~0; 7436#L219-2 ~p6_new~0 := (if node6_#t~ite9#1 % 256 <= 127 then node6_#t~ite9#1 % 256 else node6_#t~ite9#1 % 256 - 256);havoc node6_#t~ite9#1;~mode6~0 := 1; 7434#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 7432#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 7428#L400 assume !(~r1~0 % 256 >= 6); 7426#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 7423#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 7421#L399-1 check_#res#1 := check_~tmp~1#1; 7419#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 7417#L501 assume !(0 == assert_~arg#1 % 256); 7415#L496 assume { :end_inline_assert } true; 7413#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 7410#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 7411#L84 assume !(node1_~m1~0#1 != ~nomsg~0); 6399#L84-1 ~mode1~0 := 0; 6400#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 6410#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 6387#L109 assume !(node2_~m2~0#1 != ~nomsg~0); 6355#L109-1 ~mode2~0 := 0; 6397#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 7754#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 7164#L134 assume !(node3_~m3~0#1 != ~nomsg~0); 7156#L134-1 ~mode3~0 := 0; 7151#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 7147#L156 assume !(0 != ~mode4~0 % 256); 7021#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite7#1 := ~send4~0; 7138#L169-2 ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 7131#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 7127#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 7123#L184 assume !(node5_~m5~0#1 != ~nomsg~0); 6850#L184-1 ~mode5~0 := 0; 6849#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 6841#L206 assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 6386#L209 assume !(node6_~m6~0#1 != ~nomsg~0); 6283#L209-1 ~mode6~0 := 0; 6822#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 6810#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 6811#L400 assume !(~r1~0 % 256 >= 6); 6803#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 6804#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 6795#L399-1 check_#res#1 := check_~tmp~1#1; 6796#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 6789#L501 assume !(0 == assert_~arg#1 % 256); 6790#L496 assume { :end_inline_assert } true; 6290#L469-2 [2021-12-06 23:09:44,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:44,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 8 times [2021-12-06 23:09:44,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:44,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38099627] [2021-12-06 23:09:44,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:44,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:44,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:09:44,150 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:09:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:09:44,161 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:09:44,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:44,162 INFO L85 PathProgramCache]: Analyzing trace with hash -202736543, now seen corresponding path program 1 times [2021-12-06 23:09:44,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:44,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314069299] [2021-12-06 23:09:44,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:44,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:44,200 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:09:44,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:44,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314069299] [2021-12-06 23:09:44,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314069299] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:44,200 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:44,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:44,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249588485] [2021-12-06 23:09:44,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:44,201 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 23:09:44,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:44,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:44,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:44,201 INFO L87 Difference]: Start difference. First operand 1486 states and 2158 transitions. cyclomatic complexity: 673 Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:44,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:44,217 INFO L93 Difference]: Finished difference Result 1494 states and 2153 transitions. [2021-12-06 23:09:44,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:44,218 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1494 states and 2153 transitions. [2021-12-06 23:09:44,225 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1440 [2021-12-06 23:09:44,233 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1494 states to 1494 states and 2153 transitions. [2021-12-06 23:09:44,233 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1494 [2021-12-06 23:09:44,234 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1494 [2021-12-06 23:09:44,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1494 states and 2153 transitions. [2021-12-06 23:09:44,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:09:44,236 INFO L681 BuchiCegarLoop]: Abstraction has 1494 states and 2153 transitions. [2021-12-06 23:09:44,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states and 2153 transitions. [2021-12-06 23:09:44,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 1492. [2021-12-06 23:09:44,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1492 states, 1492 states have (on average 1.4410187667560321) internal successors, (2150), 1491 states have internal predecessors, (2150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:44,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 2150 transitions. [2021-12-06 23:09:44,257 INFO L704 BuchiCegarLoop]: Abstraction has 1492 states and 2150 transitions. [2021-12-06 23:09:44,257 INFO L587 BuchiCegarLoop]: Abstraction has 1492 states and 2150 transitions. [2021-12-06 23:09:44,257 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-12-06 23:09:44,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1492 states and 2150 transitions. [2021-12-06 23:09:44,262 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1440 [2021-12-06 23:09:44,262 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:09:44,263 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:09:44,264 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:44,264 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:44,264 INFO L791 eck$LassoCheckResult]: Stem: 9373#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 9302#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~send1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~mode1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~id3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~st3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~send3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~st4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~send4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~mode4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~id5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~send5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id6~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~send6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 9303#L230 assume 0 == ~r1~0 % 256; 9350#L231 assume ~id1~0 >= 0; 9352#L232 assume 0 == ~st1~0; 9332#L233 assume ~send1~0 == ~id1~0; 9333#L234 assume 0 == ~mode1~0 % 256; 9345#L235 assume ~id2~0 >= 0; 9325#L236 assume 0 == ~st2~0; 9326#L237 assume ~send2~0 == ~id2~0; 9287#L238 assume 0 == ~mode2~0 % 256; 9288#L239 assume ~id3~0 >= 0; 9285#L240 assume 0 == ~st3~0; 9286#L241 assume ~send3~0 == ~id3~0; 9290#L242 assume 0 == ~mode3~0 % 256; 9351#L243 assume ~id4~0 >= 0; 9266#L244 assume 0 == ~st4~0; 9267#L245 assume ~send4~0 == ~id4~0; 9289#L246 assume 0 == ~mode4~0 % 256; 9331#L247 assume ~id5~0 >= 0; 9364#L248 assume 0 == ~st5~0; 9262#L249 assume ~send5~0 == ~id5~0; 9263#L250 assume 0 == ~mode5~0 % 256; 9353#L251 assume ~id6~0 >= 0; 9313#L252 assume 0 == ~st6~0; 9314#L253 assume ~send6~0 == ~id6~0; 9320#L254 assume 0 == ~mode6~0 % 256; 9279#L255 assume ~id1~0 != ~id2~0; 9280#L256 assume ~id1~0 != ~id3~0; 9315#L257 assume ~id1~0 != ~id4~0; 9291#L258 assume ~id1~0 != ~id5~0; 9292#L259 assume ~id1~0 != ~id6~0; 9334#L260 assume ~id2~0 != ~id3~0; 9335#L261 assume ~id2~0 != ~id4~0; 9321#L262 assume ~id2~0 != ~id5~0; 9322#L263 assume ~id2~0 != ~id6~0; 9327#L264 assume ~id3~0 != ~id4~0; 9328#L265 assume ~id3~0 != ~id5~0; 9273#L266 assume ~id3~0 != ~id6~0; 9274#L267 assume ~id4~0 != ~id5~0; 9283#L268 assume ~id4~0 != ~id6~0; 9284#L269 assume ~id5~0 != ~id6~0;init_~tmp~0#1 := 1; 9329#L230-1 init_#res#1 := init_~tmp~0#1; 9356#L391 main_#t~ret35#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret35#1;havoc main_#t~ret35#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 9310#L24 assume !(0 == assume_abort_if_not_~cond#1); 9275#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 9276#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 9966#L80 assume !(0 != ~mode1~0 % 256); 9964#L94 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite4#1 := ~send1~0; 9962#L94-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 9959#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 9960#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 9824#L109 [2021-12-06 23:09:44,264 INFO L793 eck$LassoCheckResult]: Loop: 9824#L109 assume !(node2_~m2~0#1 != ~nomsg~0); 9819#L109-1 ~mode2~0 := 0; 9817#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 9814#L131 assume !(0 != ~mode3~0 % 256); 9811#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 9807#L144-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 9805#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 9802#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 9799#L159 assume !(node4_~m4~0#1 != ~nomsg~0); 9793#L159-1 ~mode4~0 := 0; 9790#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 9788#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 9748#L184 assume !(node5_~m5~0#1 != ~nomsg~0); 9743#L184-1 ~mode5~0 := 0; 9740#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 9737#L206 assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 9735#L209 assume !(node6_~m6~0#1 != ~nomsg~0); 9712#L209-1 ~mode6~0 := 0; 9708#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 9702#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 9688#L400 assume !(~r1~0 % 256 >= 6); 9689#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 9687#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 9439#L399-1 check_#res#1 := check_~tmp~1#1; 9440#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 9433#L501 assume !(0 == assert_~arg#1 % 256); 9434#L496 assume { :end_inline_assert } true; 9427#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 9428#L80 assume !(0 != ~mode1~0 % 256); 9416#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite4#1 := ~p1_new~0; 9417#L94-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 9638#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 9634#L106 assume !(0 != ~mode2~0 % 256); 9630#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 9626#L119-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 9622#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 9615#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 9601#L134 assume !(node3_~m3~0#1 != ~nomsg~0); 9593#L134-1 ~mode3~0 := 0; 9590#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 9587#L156 assume !(0 != ~mode4~0 % 256); 9583#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite7#1 := ~send4~0; 9581#L169-2 ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 9576#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 9573#L181 assume !(0 != ~mode5~0 % 256); 9568#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 9565#L194-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 9564#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 9563#L206 assume !(0 != ~mode6~0 % 256); 9555#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite9#1 := ~send6~0; 9551#L219-2 ~p6_new~0 := (if node6_#t~ite9#1 % 256 <= 127 then node6_#t~ite9#1 % 256 else node6_#t~ite9#1 % 256 - 256);havoc node6_#t~ite9#1;~mode6~0 := 1; 9549#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 9547#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 9545#L400 assume !(~r1~0 % 256 >= 6); 9544#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 9542#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 9540#L399-1 check_#res#1 := check_~tmp~1#1; 9538#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 9536#L501 assume !(0 == assert_~arg#1 % 256); 9534#L496 assume { :end_inline_assert } true; 9532#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 9529#L80 assume !(0 != ~mode1~0 % 256); 9530#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite4#1 := ~p1_new~0; 10750#L94-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 10749#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 9828#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 9824#L109 [2021-12-06 23:09:44,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:44,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1384643135, now seen corresponding path program 1 times [2021-12-06 23:09:44,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:44,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164601626] [2021-12-06 23:09:44,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:44,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:44,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:09:44,286 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:44,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164601626] [2021-12-06 23:09:44,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164601626] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:44,286 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:44,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:09:44,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885200369] [2021-12-06 23:09:44,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:44,286 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 23:09:44,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:44,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1854828703, now seen corresponding path program 1 times [2021-12-06 23:09:44,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:44,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510979487] [2021-12-06 23:09:44,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:44,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:44,319 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:09:44,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:44,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510979487] [2021-12-06 23:09:44,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510979487] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:44,319 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:44,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:44,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559508414] [2021-12-06 23:09:44,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:44,320 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 23:09:44,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:44,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:44,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:44,320 INFO L87 Difference]: Start difference. First operand 1492 states and 2150 transitions. cyclomatic complexity: 659 Second operand has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:44,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:44,335 INFO L93 Difference]: Finished difference Result 1492 states and 2149 transitions. [2021-12-06 23:09:44,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:44,336 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1492 states and 2149 transitions. [2021-12-06 23:09:44,343 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1440 [2021-12-06 23:09:44,351 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1492 states to 1492 states and 2149 transitions. [2021-12-06 23:09:44,351 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1492 [2021-12-06 23:09:44,352 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1492 [2021-12-06 23:09:44,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1492 states and 2149 transitions. [2021-12-06 23:09:44,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:09:44,354 INFO L681 BuchiCegarLoop]: Abstraction has 1492 states and 2149 transitions. [2021-12-06 23:09:44,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1492 states and 2149 transitions. [2021-12-06 23:09:44,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1492 to 1486. [2021-12-06 23:09:44,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1486 states, 1486 states have (on average 1.4414535666218036) internal successors, (2142), 1485 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:44,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1486 states and 2142 transitions. [2021-12-06 23:09:44,375 INFO L704 BuchiCegarLoop]: Abstraction has 1486 states and 2142 transitions. [2021-12-06 23:09:44,376 INFO L587 BuchiCegarLoop]: Abstraction has 1486 states and 2142 transitions. [2021-12-06 23:09:44,376 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-12-06 23:09:44,376 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1486 states and 2142 transitions. [2021-12-06 23:09:44,381 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1440 [2021-12-06 23:09:44,381 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:09:44,381 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:09:44,382 INFO L842 BuchiCegarLoop]: Counterexample stem 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] [2021-12-06 23:09:44,382 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:44,382 INFO L791 eck$LassoCheckResult]: Stem: 12367#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 12293#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~send1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~mode1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~id3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~st3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~send3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~st4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~send4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~mode4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~id5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~send5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id6~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~send6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 12294#L230 assume 0 == ~r1~0 % 256; 12339#L231 assume ~id1~0 >= 0; 12344#L232 assume 0 == ~st1~0; 12326#L233 assume ~send1~0 == ~id1~0; 12327#L234 assume 0 == ~mode1~0 % 256; 12337#L235 assume ~id2~0 >= 0; 12319#L236 assume 0 == ~st2~0; 12320#L237 assume ~send2~0 == ~id2~0; 12278#L238 assume 0 == ~mode2~0 % 256; 12279#L239 assume ~id3~0 >= 0; 12276#L240 assume 0 == ~st3~0; 12277#L241 assume ~send3~0 == ~id3~0; 12281#L242 assume 0 == ~mode3~0 % 256; 12343#L243 assume ~id4~0 >= 0; 12257#L244 assume 0 == ~st4~0; 12258#L245 assume ~send4~0 == ~id4~0; 12280#L246 assume 0 == ~mode4~0 % 256; 12325#L247 assume ~id5~0 >= 0; 12357#L248 assume 0 == ~st5~0; 12253#L249 assume ~send5~0 == ~id5~0; 12254#L250 assume 0 == ~mode5~0 % 256; 12345#L251 assume ~id6~0 >= 0; 12306#L252 assume 0 == ~st6~0; 12307#L253 assume ~send6~0 == ~id6~0; 12314#L254 assume 0 == ~mode6~0 % 256; 12270#L255 assume ~id1~0 != ~id2~0; 12271#L256 assume ~id1~0 != ~id3~0; 12308#L257 assume ~id1~0 != ~id4~0; 12282#L258 assume ~id1~0 != ~id5~0; 12283#L259 assume ~id1~0 != ~id6~0; 12328#L260 assume ~id2~0 != ~id3~0; 12329#L261 assume ~id2~0 != ~id4~0; 12315#L262 assume ~id2~0 != ~id5~0; 12316#L263 assume ~id2~0 != ~id6~0; 12321#L264 assume ~id3~0 != ~id4~0; 12322#L265 assume ~id3~0 != ~id5~0; 12264#L266 assume ~id3~0 != ~id6~0; 12265#L267 assume ~id4~0 != ~id5~0; 12274#L268 assume ~id4~0 != ~id6~0; 12275#L269 assume ~id5~0 != ~id6~0;init_~tmp~0#1 := 1; 12323#L230-1 init_#res#1 := init_~tmp~0#1; 12348#L391 main_#t~ret35#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret35#1;havoc main_#t~ret35#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 12303#L24 assume !(0 == assume_abort_if_not_~cond#1); 12266#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 12267#L469-2 [2021-12-06 23:09:44,382 INFO L793 eck$LassoCheckResult]: Loop: 12267#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 12287#L80 assume !(0 != ~mode1~0 % 256); 12378#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite4#1 := ~p1_new~0; 13456#L94-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 13410#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 12866#L106 assume !(0 != ~mode2~0 % 256); 12863#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 12860#L119-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 12856#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 12851#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 12852#L134 assume !(node3_~m3~0#1 != ~nomsg~0); 12873#L134-1 ~mode3~0 := 0; 12458#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 12459#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 12832#L159 assume !(node4_~m4~0#1 != ~nomsg~0); 13111#L159-1 ~mode4~0 := 0; 13110#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 13109#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 13107#L184 assume !(node5_~m5~0#1 != ~nomsg~0); 13104#L184-1 ~mode5~0 := 0; 13102#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 13101#L206 assume !(0 != ~mode6~0 % 256); 13066#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite9#1 := ~send6~0; 13060#L219-2 ~p6_new~0 := (if node6_#t~ite9#1 % 256 <= 127 then node6_#t~ite9#1 % 256 else node6_#t~ite9#1 % 256 - 256);havoc node6_#t~ite9#1;~mode6~0 := 1; 13038#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 13034#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 13030#L400 assume !(~r1~0 % 256 >= 6); 13028#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 13025#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 13022#L399-1 check_#res#1 := check_~tmp~1#1; 13020#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 13017#L501 assume !(0 == assert_~arg#1 % 256); 13015#L496 assume { :end_inline_assert } true; 13013#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 13011#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 13012#L84 assume !(node1_~m1~0#1 != ~nomsg~0); 13063#L84-1 ~mode1~0 := 0; 13057#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 13004#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 13001#L109 assume !(node2_~m2~0#1 != ~nomsg~0); 12993#L109-1 ~mode2~0 := 0; 12989#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 12986#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 12296#L134 assume !(node3_~m3~0#1 != ~nomsg~0); 12304#L134-1 ~mode3~0 := 0; 12305#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 12350#L156 assume !(0 != ~mode4~0 % 256); 12317#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite7#1 := ~send4~0; 12318#L169-2 ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 12291#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 12292#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 12346#L184 assume !(node5_~m5~0#1 != ~nomsg~0); 12269#L184-1 ~mode5~0 := 0; 12299#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 12300#L206 assume !(0 != ~mode6~0 % 256); 13703#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite9#1 := ~send6~0; 13734#L219-2 ~p6_new~0 := (if node6_#t~ite9#1 % 256 <= 127 then node6_#t~ite9#1 % 256 else node6_#t~ite9#1 % 256 - 256);havoc node6_#t~ite9#1;~mode6~0 := 1; 12332#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 12333#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 12373#L400 assume !(~r1~0 % 256 >= 6); 12312#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 12313#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 13536#L399-1 check_#res#1 := check_~tmp~1#1; 13534#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 12301#L501 assume !(0 == assert_~arg#1 % 256); 12302#L496 assume { :end_inline_assert } true; 12267#L469-2 [2021-12-06 23:09:44,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:44,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 9 times [2021-12-06 23:09:44,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:44,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926063146] [2021-12-06 23:09:44,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:44,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:09:44,390 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:09:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:09:44,401 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:09:44,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:44,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1874250933, now seen corresponding path program 1 times [2021-12-06 23:09:44,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:44,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164819854] [2021-12-06 23:09:44,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:44,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:44,437 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:09:44,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:44,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164819854] [2021-12-06 23:09:44,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164819854] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:44,437 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:44,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:44,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761546806] [2021-12-06 23:09:44,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:44,438 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 23:09:44,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:44,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:44,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:44,438 INFO L87 Difference]: Start difference. First operand 1486 states and 2142 transitions. cyclomatic complexity: 657 Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:44,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:44,454 INFO L93 Difference]: Finished difference Result 1498 states and 2142 transitions. [2021-12-06 23:09:44,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:44,455 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1498 states and 2142 transitions. [2021-12-06 23:09:44,462 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1440 [2021-12-06 23:09:44,470 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1498 states to 1498 states and 2142 transitions. [2021-12-06 23:09:44,470 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1498 [2021-12-06 23:09:44,471 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1498 [2021-12-06 23:09:44,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1498 states and 2142 transitions. [2021-12-06 23:09:44,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:09:44,473 INFO L681 BuchiCegarLoop]: Abstraction has 1498 states and 2142 transitions. [2021-12-06 23:09:44,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states and 2142 transitions. [2021-12-06 23:09:44,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1496. [2021-12-06 23:09:44,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1496 states, 1496 states have (on average 1.429812834224599) internal successors, (2139), 1495 states have internal predecessors, (2139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:44,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 2139 transitions. [2021-12-06 23:09:44,494 INFO L704 BuchiCegarLoop]: Abstraction has 1496 states and 2139 transitions. [2021-12-06 23:09:44,494 INFO L587 BuchiCegarLoop]: Abstraction has 1496 states and 2139 transitions. [2021-12-06 23:09:44,494 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-12-06 23:09:44,494 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1496 states and 2139 transitions. [2021-12-06 23:09:44,499 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1440 [2021-12-06 23:09:44,499 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:09:44,499 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:09:44,500 INFO L842 BuchiCegarLoop]: Counterexample stem 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] [2021-12-06 23:09:44,500 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:44,500 INFO L791 eck$LassoCheckResult]: Stem: 15352#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 15283#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~send1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~mode1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~id3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~st3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~send3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~st4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~send4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~mode4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~id5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~send5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id6~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~send6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 15284#L230 assume 0 == ~r1~0 % 256; 15329#L231 assume ~id1~0 >= 0; 15331#L232 assume 0 == ~st1~0; 15314#L233 assume ~send1~0 == ~id1~0; 15315#L234 assume 0 == ~mode1~0 % 256; 15325#L235 assume ~id2~0 >= 0; 15306#L236 assume 0 == ~st2~0; 15307#L237 assume ~send2~0 == ~id2~0; 15268#L238 assume 0 == ~mode2~0 % 256; 15269#L239 assume ~id3~0 >= 0; 15266#L240 assume 0 == ~st3~0; 15267#L241 assume ~send3~0 == ~id3~0; 15271#L242 assume 0 == ~mode3~0 % 256; 15330#L243 assume ~id4~0 >= 0; 15247#L244 assume 0 == ~st4~0; 15248#L245 assume ~send4~0 == ~id4~0; 15270#L246 assume 0 == ~mode4~0 % 256; 15313#L247 assume ~id5~0 >= 0; 15345#L248 assume 0 == ~st5~0; 15243#L249 assume ~send5~0 == ~id5~0; 15244#L250 assume 0 == ~mode5~0 % 256; 15332#L251 assume ~id6~0 >= 0; 15294#L252 assume 0 == ~st6~0; 15295#L253 assume ~send6~0 == ~id6~0; 15301#L254 assume 0 == ~mode6~0 % 256; 15260#L255 assume ~id1~0 != ~id2~0; 15261#L256 assume ~id1~0 != ~id3~0; 15296#L257 assume ~id1~0 != ~id4~0; 15272#L258 assume ~id1~0 != ~id5~0; 15273#L259 assume ~id1~0 != ~id6~0; 15316#L260 assume ~id2~0 != ~id3~0; 15317#L261 assume ~id2~0 != ~id4~0; 15302#L262 assume ~id2~0 != ~id5~0; 15303#L263 assume ~id2~0 != ~id6~0; 15308#L264 assume ~id3~0 != ~id4~0; 15309#L265 assume ~id3~0 != ~id5~0; 15254#L266 assume ~id3~0 != ~id6~0; 15255#L267 assume ~id4~0 != ~id5~0; 15264#L268 assume ~id4~0 != ~id6~0; 15265#L269 assume ~id5~0 != ~id6~0;init_~tmp~0#1 := 1; 15310#L230-1 init_#res#1 := init_~tmp~0#1; 15335#L391 main_#t~ret35#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret35#1;havoc main_#t~ret35#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 15290#L24 assume !(0 == assume_abort_if_not_~cond#1); 15256#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 15257#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 16477#L80 assume !(0 != ~mode1~0 % 256); 16475#L94 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite4#1 := ~send1~0; 16473#L94-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 16471#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 16469#L106 assume !(0 != ~mode2~0 % 256); 16467#L119 assume !(~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0);node2_#t~ite5#1 := ~p2_new~0; 16465#L119-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 16464#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 16463#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 15834#L134 [2021-12-06 23:09:44,501 INFO L793 eck$LassoCheckResult]: Loop: 15834#L134 assume !(node3_~m3~0#1 != ~nomsg~0); 15830#L134-1 ~mode3~0 := 0; 15828#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 15823#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 15822#L159 assume !(node4_~m4~0#1 != ~nomsg~0); 15818#L159-1 ~mode4~0 := 0; 15814#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 15807#L181 assume !(0 != ~mode5~0 % 256); 15800#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 15796#L194-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 15793#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 15786#L206 assume !(0 != ~mode6~0 % 256); 15780#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite9#1 := ~send6~0; 15777#L219-2 ~p6_new~0 := (if node6_#t~ite9#1 % 256 <= 127 then node6_#t~ite9#1 % 256 else node6_#t~ite9#1 % 256 - 256);havoc node6_#t~ite9#1;~mode6~0 := 1; 15774#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 15770#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 15768#L400 assume !(~r1~0 % 256 >= 6); 15765#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 15763#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 15761#L399-1 check_#res#1 := check_~tmp~1#1; 15759#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 15758#L501 assume !(0 == assert_~arg#1 % 256); 15733#L496 assume { :end_inline_assert } true; 15704#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 15664#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 15665#L84 assume !(node1_~m1~0#1 != ~nomsg~0); 15337#L84-1 ~mode1~0 := 0; 15371#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 15363#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 15347#L109 assume !(node2_~m2~0#1 != ~nomsg~0); 15323#L109-1 ~mode2~0 := 0; 15293#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 15285#L131 assume !(0 != ~mode3~0 % 256); 15245#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 15246#L144-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 15324#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 15339#L156 assume !(0 != ~mode4~0 % 256); 15304#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite7#1 := ~send4~0; 15305#L169-2 ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 15348#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 16717#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 16715#L184 assume !(node5_~m5~0#1 != ~nomsg~0); 16671#L184-1 ~mode5~0 := 0; 15288#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 15274#L206 assume !(0 != ~mode6~0 % 256); 15275#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite9#1 := ~send6~0; 16706#L219-2 ~p6_new~0 := (if node6_#t~ite9#1 % 256 <= 127 then node6_#t~ite9#1 % 256 else node6_#t~ite9#1 % 256 - 256);havoc node6_#t~ite9#1;~mode6~0 := 1; 16704#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 16702#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 15361#L400 assume !(~r1~0 % 256 >= 6); 15299#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 15300#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 15355#L399-1 check_#res#1 := check_~tmp~1#1; 15241#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 15242#L501 assume !(0 == assert_~arg#1 % 256); 15289#L496 assume { :end_inline_assert } true; 15277#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 15252#L80 assume !(0 != ~mode1~0 % 256); 15253#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite4#1 := ~p1_new~0; 15342#L94-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 15262#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 15263#L106 assume !(0 != ~mode2~0 % 256); 15350#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 15286#L119-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 15287#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 15836#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 15834#L134 [2021-12-06 23:09:44,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:44,501 INFO L85 PathProgramCache]: Analyzing trace with hash -2076288006, now seen corresponding path program 1 times [2021-12-06 23:09:44,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:44,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785077280] [2021-12-06 23:09:44,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:44,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:44,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:09:44,521 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:44,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785077280] [2021-12-06 23:09:44,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785077280] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:44,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:44,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:09:44,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071109851] [2021-12-06 23:09:44,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:44,522 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 23:09:44,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:44,522 INFO L85 PathProgramCache]: Analyzing trace with hash 994579637, now seen corresponding path program 1 times [2021-12-06 23:09:44,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:44,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392234850] [2021-12-06 23:09:44,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:44,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:44,551 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:09:44,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:44,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392234850] [2021-12-06 23:09:44,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392234850] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:44,552 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:44,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:44,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829319186] [2021-12-06 23:09:44,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:44,552 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 23:09:44,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:44,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:44,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:44,553 INFO L87 Difference]: Start difference. First operand 1496 states and 2139 transitions. cyclomatic complexity: 645 Second operand has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:44,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:44,563 INFO L93 Difference]: Finished difference Result 776 states and 1098 transitions. [2021-12-06 23:09:44,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:44,564 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 776 states and 1098 transitions. [2021-12-06 23:09:44,567 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 720 [2021-12-06 23:09:44,571 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 776 states to 776 states and 1098 transitions. [2021-12-06 23:09:44,571 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 776 [2021-12-06 23:09:44,572 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 776 [2021-12-06 23:09:44,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 776 states and 1098 transitions. [2021-12-06 23:09:44,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:09:44,573 INFO L681 BuchiCegarLoop]: Abstraction has 776 states and 1098 transitions. [2021-12-06 23:09:44,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states and 1098 transitions. [2021-12-06 23:09:44,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 766. [2021-12-06 23:09:44,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 766 states have (on average 1.4177545691906006) internal successors, (1086), 765 states have internal predecessors, (1086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:44,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1086 transitions. [2021-12-06 23:09:44,584 INFO L704 BuchiCegarLoop]: Abstraction has 766 states and 1086 transitions. [2021-12-06 23:09:44,584 INFO L587 BuchiCegarLoop]: Abstraction has 766 states and 1086 transitions. [2021-12-06 23:09:44,584 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-12-06 23:09:44,584 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 766 states and 1086 transitions. [2021-12-06 23:09:44,586 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 720 [2021-12-06 23:09:44,586 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:09:44,586 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:09:44,587 INFO L842 BuchiCegarLoop]: Counterexample stem 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] [2021-12-06 23:09:44,587 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:44,587 INFO L791 eck$LassoCheckResult]: Stem: 17627#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 17561#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~send1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~mode1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~id3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~st3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~send3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~st4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~send4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~mode4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~id5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~send5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id6~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~send6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 17562#L230 assume 0 == ~r1~0 % 256; 17604#L231 assume ~id1~0 >= 0; 17610#L232 assume 0 == ~st1~0; 17591#L233 assume ~send1~0 == ~id1~0; 17592#L234 assume 0 == ~mode1~0 % 256; 17602#L235 assume ~id2~0 >= 0; 17584#L236 assume 0 == ~st2~0; 17585#L237 assume ~send2~0 == ~id2~0; 17547#L238 assume 0 == ~mode2~0 % 256; 17548#L239 assume ~id3~0 >= 0; 17545#L240 assume 0 == ~st3~0; 17546#L241 assume ~send3~0 == ~id3~0; 17550#L242 assume 0 == ~mode3~0 % 256; 17609#L243 assume ~id4~0 >= 0; 17526#L244 assume 0 == ~st4~0; 17527#L245 assume ~send4~0 == ~id4~0; 17549#L246 assume 0 == ~mode4~0 % 256; 17590#L247 assume ~id5~0 >= 0; 17621#L248 assume 0 == ~st5~0; 17522#L249 assume ~send5~0 == ~id5~0; 17523#L250 assume 0 == ~mode5~0 % 256; 17611#L251 assume ~id6~0 >= 0; 17571#L252 assume 0 == ~st6~0; 17572#L253 assume ~send6~0 == ~id6~0; 17579#L254 assume 0 == ~mode6~0 % 256; 17539#L255 assume ~id1~0 != ~id2~0; 17540#L256 assume ~id1~0 != ~id3~0; 17573#L257 assume ~id1~0 != ~id4~0; 17551#L258 assume ~id1~0 != ~id5~0; 17552#L259 assume ~id1~0 != ~id6~0; 17593#L260 assume ~id2~0 != ~id3~0; 17594#L261 assume ~id2~0 != ~id4~0; 17580#L262 assume ~id2~0 != ~id5~0; 17581#L263 assume ~id2~0 != ~id6~0; 17586#L264 assume ~id3~0 != ~id4~0; 17587#L265 assume ~id3~0 != ~id5~0; 17533#L266 assume ~id3~0 != ~id6~0; 17534#L267 assume ~id4~0 != ~id5~0; 17543#L268 assume ~id4~0 != ~id6~0; 17544#L269 assume ~id5~0 != ~id6~0;init_~tmp~0#1 := 1; 17588#L230-1 init_#res#1 := init_~tmp~0#1; 17614#L391 main_#t~ret35#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret35#1;havoc main_#t~ret35#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 17568#L24 assume !(0 == assume_abort_if_not_~cond#1); 17535#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 17536#L469-2 [2021-12-06 23:09:44,587 INFO L793 eck$LassoCheckResult]: Loop: 17536#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 17531#L80 assume !(0 != ~mode1~0 % 256); 17532#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite4#1 := ~p1_new~0; 17619#L94-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 17541#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 17542#L106 assume !(0 != ~mode2~0 % 256); 17625#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 17564#L119-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 17565#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 17574#L131 assume !(0 != ~mode3~0 % 256); 18035#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 17961#L144-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 17959#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 17957#L156 assume !(0 != ~mode4~0 % 256); 17858#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite7#1 := ~send4~0; 17854#L169-2 ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 17847#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 17842#L181 assume !(0 != ~mode5~0 % 256); 17836#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 17831#L194-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 17829#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 17827#L206 assume !(0 != ~mode6~0 % 256); 17817#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite9#1 := ~send6~0; 17813#L219-2 ~p6_new~0 := (if node6_#t~ite9#1 % 256 <= 127 then node6_#t~ite9#1 % 256 else node6_#t~ite9#1 % 256 - 256);havoc node6_#t~ite9#1;~mode6~0 := 1; 17811#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 17809#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 17805#L400 assume !(~r1~0 % 256 >= 6); 17803#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 17799#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 17797#L399-1 check_#res#1 := check_~tmp~1#1; 17793#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 17789#L501 assume !(0 == assert_~arg#1 % 256); 17785#L496 assume { :end_inline_assert } true; 17781#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 17776#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 17777#L84 assume !(node1_~m1~0#1 != ~nomsg~0); 18209#L84-1 ~mode1~0 := 0; 18276#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 18275#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 18272#L109 assume !(node2_~m2~0#1 != ~nomsg~0); 18202#L109-1 ~mode2~0 := 0; 18268#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 18266#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 18265#L134 assume !(node3_~m3~0#1 != ~nomsg~0); 18196#L134-1 ~mode3~0 := 0; 18262#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 18261#L156 assume !(0 != ~mode4~0 % 256); 17635#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite7#1 := ~send4~0; 18166#L169-2 ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 18164#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 18161#L181 assume !(0 != ~mode5~0 % 256); 18162#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 18152#L194-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 18150#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 18149#L206 assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 18147#L209 assume !(node6_~m6~0#1 != ~nomsg~0); 18143#L209-1 ~mode6~0 := 0; 18141#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 17595#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 17596#L400 assume !(~r1~0 % 256 >= 6); 17577#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 17578#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 18260#L399-1 check_#res#1 := check_~tmp~1#1; 17520#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 17521#L501 assume !(0 == assert_~arg#1 % 256); 17567#L496 assume { :end_inline_assert } true; 17536#L469-2 [2021-12-06 23:09:44,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:44,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 10 times [2021-12-06 23:09:44,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:44,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119633041] [2021-12-06 23:09:44,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:44,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:09:44,595 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:09:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:09:44,606 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:09:44,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:44,606 INFO L85 PathProgramCache]: Analyzing trace with hash -198099177, now seen corresponding path program 1 times [2021-12-06 23:09:44,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:44,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950622817] [2021-12-06 23:09:44,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:44,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:44,638 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:09:44,638 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:44,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950622817] [2021-12-06 23:09:44,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950622817] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:44,638 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:44,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:44,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588441993] [2021-12-06 23:09:44,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:44,639 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 23:09:44,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:44,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:44,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:44,639 INFO L87 Difference]: Start difference. First operand 766 states and 1086 transitions. cyclomatic complexity: 321 Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:44,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:44,651 INFO L93 Difference]: Finished difference Result 784 states and 1103 transitions. [2021-12-06 23:09:44,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:44,651 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 784 states and 1103 transitions. [2021-12-06 23:09:44,655 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 720 [2021-12-06 23:09:44,659 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 784 states to 784 states and 1103 transitions. [2021-12-06 23:09:44,659 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 784 [2021-12-06 23:09:44,660 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 784 [2021-12-06 23:09:44,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 784 states and 1103 transitions. [2021-12-06 23:09:44,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:09:44,661 INFO L681 BuchiCegarLoop]: Abstraction has 784 states and 1103 transitions. [2021-12-06 23:09:44,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states and 1103 transitions. [2021-12-06 23:09:44,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 780. [2021-12-06 23:09:44,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 780 states, 780 states have (on average 1.405128205128205) internal successors, (1096), 779 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:44,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1096 transitions. [2021-12-06 23:09:44,672 INFO L704 BuchiCegarLoop]: Abstraction has 780 states and 1096 transitions. [2021-12-06 23:09:44,672 INFO L587 BuchiCegarLoop]: Abstraction has 780 states and 1096 transitions. [2021-12-06 23:09:44,672 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-12-06 23:09:44,672 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 780 states and 1096 transitions. [2021-12-06 23:09:44,674 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 720 [2021-12-06 23:09:44,674 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:09:44,674 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:09:44,675 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:44,675 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:44,675 INFO L791 eck$LassoCheckResult]: Stem: 19192#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 19118#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~send1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~mode1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~id3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~st3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~send3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~st4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~send4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~mode4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~id5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~send5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id6~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~send6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 19119#L230 assume 0 == ~r1~0 % 256; 19165#L231 assume ~id1~0 >= 0; 19167#L232 assume 0 == ~st1~0; 19148#L233 assume ~send1~0 == ~id1~0; 19149#L234 assume 0 == ~mode1~0 % 256; 19160#L235 assume ~id2~0 >= 0; 19140#L236 assume 0 == ~st2~0; 19141#L237 assume ~send2~0 == ~id2~0; 19103#L238 assume 0 == ~mode2~0 % 256; 19104#L239 assume ~id3~0 >= 0; 19101#L240 assume 0 == ~st3~0; 19102#L241 assume ~send3~0 == ~id3~0; 19106#L242 assume 0 == ~mode3~0 % 256; 19166#L243 assume ~id4~0 >= 0; 19082#L244 assume 0 == ~st4~0; 19083#L245 assume ~send4~0 == ~id4~0; 19105#L246 assume 0 == ~mode4~0 % 256; 19147#L247 assume ~id5~0 >= 0; 19185#L248 assume 0 == ~st5~0; 19078#L249 assume ~send5~0 == ~id5~0; 19079#L250 assume 0 == ~mode5~0 % 256; 19168#L251 assume ~id6~0 >= 0; 19128#L252 assume 0 == ~st6~0; 19129#L253 assume ~send6~0 == ~id6~0; 19135#L254 assume 0 == ~mode6~0 % 256; 19095#L255 assume ~id1~0 != ~id2~0; 19096#L256 assume ~id1~0 != ~id3~0; 19130#L257 assume ~id1~0 != ~id4~0; 19107#L258 assume ~id1~0 != ~id5~0; 19108#L259 assume ~id1~0 != ~id6~0; 19150#L260 assume ~id2~0 != ~id3~0; 19151#L261 assume ~id2~0 != ~id4~0; 19136#L262 assume ~id2~0 != ~id5~0; 19137#L263 assume ~id2~0 != ~id6~0; 19142#L264 assume ~id3~0 != ~id4~0; 19143#L265 assume ~id3~0 != ~id5~0; 19089#L266 assume ~id3~0 != ~id6~0; 19090#L267 assume ~id4~0 != ~id5~0; 19099#L268 assume ~id4~0 != ~id6~0; 19100#L269 assume ~id5~0 != ~id6~0;init_~tmp~0#1 := 1; 19144#L230-1 init_#res#1 := init_~tmp~0#1; 19172#L391 main_#t~ret35#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret35#1;havoc main_#t~ret35#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 19125#L24 assume !(0 == assume_abort_if_not_~cond#1); 19091#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 19092#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 19582#L80 assume !(0 != ~mode1~0 % 256); 19581#L94 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite4#1 := ~send1~0; 19580#L94-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 19579#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 19230#L106 assume !(0 != ~mode2~0 % 256); 19224#L119 assume !(~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0);node2_#t~ite5#1 := ~p2_new~0; 19121#L119-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 19122#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 19120#L131 assume !(0 != ~mode3~0 % 256); 19080#L144 assume !(~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0);node3_#t~ite6#1 := ~p3_new~0; 19081#L144-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 19159#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 19578#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 19161#L159 [2021-12-06 23:09:44,676 INFO L793 eck$LassoCheckResult]: Loop: 19161#L159 assume !(node4_~m4~0#1 != ~nomsg~0); 19132#L159-1 ~mode4~0 := 0; 19182#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 19786#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 19784#L184 assume !(node5_~m5~0#1 != ~nomsg~0); 19781#L184-1 ~mode5~0 := 0; 19779#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 19778#L206 assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 19777#L209 assume !(node6_~m6~0#1 != ~nomsg~0); 19773#L209-1 ~mode6~0 := 0; 19771#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 19770#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 19769#L400 assume !(~r1~0 % 256 >= 6); 19768#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 19767#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 19764#L399-1 check_#res#1 := check_~tmp~1#1; 19763#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 19761#L501 assume !(0 == assert_~arg#1 % 256); 19759#L496 assume { :end_inline_assert } true; 19210#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 19209#L80 assume !(0 != ~mode1~0 % 256); 19088#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite4#1 := ~p1_new~0; 19180#L94-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 19181#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 19844#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 19842#L109 assume !(node2_~m2~0#1 != ~nomsg~0); 19840#L109-1 ~mode2~0 := 0; 19839#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 19838#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 19835#L134 assume !(node3_~m3~0#1 != ~nomsg~0); 19832#L134-1 ~mode3~0 := 0; 19176#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 19177#L156 assume !(0 != ~mode4~0 % 256); 19831#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite7#1 := ~send4~0; 19830#L169-2 ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 19829#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 19173#L181 assume !(0 != ~mode5~0 % 256); 19174#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 19178#L194-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 19123#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 19109#L206 assume !(0 != ~mode6~0 % 256); 19110#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite9#1 := ~send6~0; 19202#L219-2 ~p6_new~0 := (if node6_#t~ite9#1 % 256 <= 127 then node6_#t~ite9#1 % 256 else node6_#t~ite9#1 % 256 - 256);havoc node6_#t~ite9#1;~mode6~0 := 1; 19203#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 19152#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 19153#L400 assume !(~r1~0 % 256 >= 6); 19788#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 19789#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 19197#L399-1 check_#res#1 := check_~tmp~1#1; 19076#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 19077#L501 assume !(0 == assert_~arg#1 % 256); 19124#L496 assume { :end_inline_assert } true; 19660#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 19757#L80 assume !(0 != ~mode1~0 % 256); 19758#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite4#1 := ~p1_new~0; 19810#L94-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 19097#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 19098#L106 assume !(0 != ~mode2~0 % 256); 19189#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 19191#L119-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 19221#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 19220#L131 assume !(0 != ~mode3~0 % 256); 19217#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 19215#L144-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 19213#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 19199#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 19161#L159 [2021-12-06 23:09:44,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:44,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1193045491, now seen corresponding path program 1 times [2021-12-06 23:09:44,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:44,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627319912] [2021-12-06 23:09:44,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:44,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:44,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:09:44,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:44,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627319912] [2021-12-06 23:09:44,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627319912] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:44,697 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:44,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:09:44,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524100097] [2021-12-06 23:09:44,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:44,697 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 23:09:44,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:44,697 INFO L85 PathProgramCache]: Analyzing trace with hash 174109387, now seen corresponding path program 2 times [2021-12-06 23:09:44,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:44,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683658563] [2021-12-06 23:09:44,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:44,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:44,737 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:09:44,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:44,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683658563] [2021-12-06 23:09:44,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683658563] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:44,738 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:44,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:44,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662515098] [2021-12-06 23:09:44,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:44,738 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 23:09:44,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:44,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:44,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:44,739 INFO L87 Difference]: Start difference. First operand 780 states and 1096 transitions. cyclomatic complexity: 318 Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:44,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:44,748 INFO L93 Difference]: Finished difference Result 420 states and 579 transitions. [2021-12-06 23:09:44,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:44,748 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 420 states and 579 transitions. [2021-12-06 23:09:44,750 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 360 [2021-12-06 23:09:44,752 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 420 states to 420 states and 579 transitions. [2021-12-06 23:09:44,752 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 420 [2021-12-06 23:09:44,752 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 420 [2021-12-06 23:09:44,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 420 states and 579 transitions. [2021-12-06 23:09:44,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:09:44,753 INFO L681 BuchiCegarLoop]: Abstraction has 420 states and 579 transitions. [2021-12-06 23:09:44,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states and 579 transitions. [2021-12-06 23:09:44,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 406. [2021-12-06 23:09:44,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 406 states have (on average 1.3842364532019704) internal successors, (562), 405 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:44,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 562 transitions. [2021-12-06 23:09:44,759 INFO L704 BuchiCegarLoop]: Abstraction has 406 states and 562 transitions. [2021-12-06 23:09:44,759 INFO L587 BuchiCegarLoop]: Abstraction has 406 states and 562 transitions. [2021-12-06 23:09:44,759 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-12-06 23:09:44,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 406 states and 562 transitions. [2021-12-06 23:09:44,759 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 360 [2021-12-06 23:09:44,760 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:09:44,760 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:09:44,760 INFO L842 BuchiCegarLoop]: Counterexample stem 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] [2021-12-06 23:09:44,760 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:44,760 INFO L791 eck$LassoCheckResult]: Stem: 20405#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 20325#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~send1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~mode1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~id3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~st3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~send3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~st4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~send4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~mode4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~id5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~send5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id6~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~send6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 20326#L230 assume 0 == ~r1~0 % 256; 20369#L231 assume ~id1~0 >= 0; 20375#L232 assume 0 == ~st1~0; 20356#L233 assume ~send1~0 == ~id1~0; 20357#L234 assume 0 == ~mode1~0 % 256; 20367#L235 assume ~id2~0 >= 0; 20349#L236 assume 0 == ~st2~0; 20350#L237 assume ~send2~0 == ~id2~0; 20310#L238 assume 0 == ~mode2~0 % 256; 20311#L239 assume ~id3~0 >= 0; 20308#L240 assume 0 == ~st3~0; 20309#L241 assume ~send3~0 == ~id3~0; 20313#L242 assume 0 == ~mode3~0 % 256; 20374#L243 assume ~id4~0 >= 0; 20289#L244 assume 0 == ~st4~0; 20290#L245 assume ~send4~0 == ~id4~0; 20312#L246 assume 0 == ~mode4~0 % 256; 20355#L247 assume ~id5~0 >= 0; 20396#L248 assume 0 == ~st5~0; 20285#L249 assume ~send5~0 == ~id5~0; 20286#L250 assume 0 == ~mode5~0 % 256; 20376#L251 assume ~id6~0 >= 0; 20337#L252 assume 0 == ~st6~0; 20338#L253 assume ~send6~0 == ~id6~0; 20344#L254 assume 0 == ~mode6~0 % 256; 20302#L255 assume ~id1~0 != ~id2~0; 20303#L256 assume ~id1~0 != ~id3~0; 20339#L257 assume ~id1~0 != ~id4~0; 20314#L258 assume ~id1~0 != ~id5~0; 20315#L259 assume ~id1~0 != ~id6~0; 20358#L260 assume ~id2~0 != ~id3~0; 20359#L261 assume ~id2~0 != ~id4~0; 20345#L262 assume ~id2~0 != ~id5~0; 20346#L263 assume ~id2~0 != ~id6~0; 20351#L264 assume ~id3~0 != ~id4~0; 20352#L265 assume ~id3~0 != ~id5~0; 20296#L266 assume ~id3~0 != ~id6~0; 20297#L267 assume ~id4~0 != ~id5~0; 20306#L268 assume ~id4~0 != ~id6~0; 20307#L269 assume ~id5~0 != ~id6~0;init_~tmp~0#1 := 1; 20353#L230-1 init_#res#1 := init_~tmp~0#1; 20380#L391 main_#t~ret35#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret35#1;havoc main_#t~ret35#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 20334#L24 assume !(0 == assume_abort_if_not_~cond#1); 20298#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 20299#L469-2 [2021-12-06 23:09:44,760 INFO L793 eck$LassoCheckResult]: Loop: 20299#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 20640#L80 assume !(0 != ~mode1~0 % 256); 20521#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite4#1 := ~p1_new~0; 20639#L94-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 20304#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 20305#L106 assume !(0 != ~mode2~0 % 256); 20403#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 20328#L119-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 20329#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 20327#L131 assume !(0 != ~mode3~0 % 256); 20287#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 20288#L144-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 20368#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 20385#L156 assume !(0 != ~mode4~0 % 256); 20608#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite7#1 := ~send4~0; 20606#L169-2 ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 20604#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 20602#L181 assume !(0 != ~mode5~0 % 256); 20386#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 20387#L194-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 20330#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 20331#L206 assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 20549#L209 assume !(node6_~m6~0#1 != ~nomsg~0); 20546#L209-1 ~mode6~0 := 0; 20544#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 20543#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 20542#L400 assume !(~r1~0 % 256 >= 6); 20541#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 20539#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 20537#L399-1 check_#res#1 := check_~tmp~1#1; 20534#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 20531#L501 assume !(0 == assert_~arg#1 % 256); 20529#L496 assume { :end_inline_assert } true; 20525#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 20522#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 20516#L84 assume !(node1_~m1~0#1 != ~nomsg~0); 20382#L84-1 ~mode1~0 := 0; 20508#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 20506#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 20503#L109 assume !(node2_~m2~0#1 != ~nomsg~0); 20499#L109-1 ~mode2~0 := 0; 20497#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 20495#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 20493#L134 assume !(node3_~m3~0#1 != ~nomsg~0); 20488#L134-1 ~mode3~0 := 0; 20485#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 20482#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 20480#L159 assume !(node4_~m4~0#1 != ~nomsg~0); 20474#L159-1 ~mode4~0 := 0; 20475#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 20672#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 20666#L184 assume !(node5_~m5~0#1 != ~nomsg~0); 20661#L184-1 ~mode5~0 := 0; 20659#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 20657#L206 assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 20656#L209 assume !(node6_~m6~0#1 != ~nomsg~0); 20651#L209-1 ~mode6~0 := 0; 20649#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 20648#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 20647#L400 assume !(~r1~0 % 256 >= 6); 20646#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 20645#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 20644#L399-1 check_#res#1 := check_~tmp~1#1; 20643#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 20642#L501 assume !(0 == assert_~arg#1 % 256); 20641#L496 assume { :end_inline_assert } true; 20299#L469-2 [2021-12-06 23:09:44,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:44,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 11 times [2021-12-06 23:09:44,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:44,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72407203] [2021-12-06 23:09:44,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:44,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:09:44,767 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:09:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:09:44,778 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:09:44,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:44,778 INFO L85 PathProgramCache]: Analyzing trace with hash -717319155, now seen corresponding path program 1 times [2021-12-06 23:09:44,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:44,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111769447] [2021-12-06 23:09:44,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:44,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:44,812 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:09:44,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:44,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111769447] [2021-12-06 23:09:44,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111769447] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:44,812 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:44,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:44,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989964795] [2021-12-06 23:09:44,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:44,812 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 23:09:44,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:44,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:44,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:44,813 INFO L87 Difference]: Start difference. First operand 406 states and 562 transitions. cyclomatic complexity: 157 Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:44,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:44,826 INFO L93 Difference]: Finished difference Result 734 states and 1014 transitions. [2021-12-06 23:09:44,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:44,826 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 734 states and 1014 transitions. [2021-12-06 23:09:44,828 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 688 [2021-12-06 23:09:44,832 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 734 states to 734 states and 1014 transitions. [2021-12-06 23:09:44,832 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 734 [2021-12-06 23:09:44,833 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 734 [2021-12-06 23:09:44,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 734 states and 1014 transitions. [2021-12-06 23:09:44,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:09:44,834 INFO L681 BuchiCegarLoop]: Abstraction has 734 states and 1014 transitions. [2021-12-06 23:09:44,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states and 1014 transitions. [2021-12-06 23:09:44,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 718. [2021-12-06 23:09:44,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 718 states, 718 states have (on average 1.3788300835654597) internal successors, (990), 717 states have internal predecessors, (990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:44,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 990 transitions. [2021-12-06 23:09:44,844 INFO L704 BuchiCegarLoop]: Abstraction has 718 states and 990 transitions. [2021-12-06 23:09:44,844 INFO L587 BuchiCegarLoop]: Abstraction has 718 states and 990 transitions. [2021-12-06 23:09:44,844 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-12-06 23:09:44,844 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 718 states and 990 transitions. [2021-12-06 23:09:44,846 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 672 [2021-12-06 23:09:44,846 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:09:44,846 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:09:44,846 INFO L842 BuchiCegarLoop]: Counterexample stem 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] [2021-12-06 23:09:44,846 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:44,847 INFO L791 eck$LassoCheckResult]: Stem: 21544#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 21470#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~send1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~mode1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~id3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~st3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~send3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~st4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~send4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~mode4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~id5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~send5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id6~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~send6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 21471#L230 assume 0 == ~r1~0 % 256; 21515#L231 assume ~id1~0 >= 0; 21521#L232 assume 0 == ~st1~0; 21502#L233 assume ~send1~0 == ~id1~0; 21503#L234 assume 0 == ~mode1~0 % 256; 21513#L235 assume ~id2~0 >= 0; 21494#L236 assume 0 == ~st2~0; 21495#L237 assume ~send2~0 == ~id2~0; 21456#L238 assume 0 == ~mode2~0 % 256; 21457#L239 assume ~id3~0 >= 0; 21454#L240 assume 0 == ~st3~0; 21455#L241 assume ~send3~0 == ~id3~0; 21459#L242 assume 0 == ~mode3~0 % 256; 21520#L243 assume ~id4~0 >= 0; 21435#L244 assume 0 == ~st4~0; 21436#L245 assume ~send4~0 == ~id4~0; 21458#L246 assume 0 == ~mode4~0 % 256; 21501#L247 assume ~id5~0 >= 0; 21534#L248 assume 0 == ~st5~0; 21431#L249 assume ~send5~0 == ~id5~0; 21432#L250 assume 0 == ~mode5~0 % 256; 21522#L251 assume ~id6~0 >= 0; 21481#L252 assume 0 == ~st6~0; 21482#L253 assume ~send6~0 == ~id6~0; 21489#L254 assume 0 == ~mode6~0 % 256; 21448#L255 assume ~id1~0 != ~id2~0; 21449#L256 assume ~id1~0 != ~id3~0; 21483#L257 assume ~id1~0 != ~id4~0; 21460#L258 assume ~id1~0 != ~id5~0; 21461#L259 assume ~id1~0 != ~id6~0; 21504#L260 assume ~id2~0 != ~id3~0; 21505#L261 assume ~id2~0 != ~id4~0; 21490#L262 assume ~id2~0 != ~id5~0; 21491#L263 assume ~id2~0 != ~id6~0; 21496#L264 assume ~id3~0 != ~id4~0; 21497#L265 assume ~id3~0 != ~id5~0; 21442#L266 assume ~id3~0 != ~id6~0; 21443#L267 assume ~id4~0 != ~id5~0; 21452#L268 assume ~id4~0 != ~id6~0; 21453#L269 assume ~id5~0 != ~id6~0;init_~tmp~0#1 := 1; 21498#L230-1 init_#res#1 := init_~tmp~0#1; 21525#L391 main_#t~ret35#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret35#1;havoc main_#t~ret35#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 21478#L24 assume !(0 == assume_abort_if_not_~cond#1); 21444#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 21445#L469-2 [2021-12-06 23:09:44,847 INFO L793 eck$LassoCheckResult]: Loop: 21445#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 22094#L80 assume !(0 != ~mode1~0 % 256); 21968#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite4#1 := ~p1_new~0; 22093#L94-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 22092#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 22091#L106 assume !(0 != ~mode2~0 % 256); 22090#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 22089#L119-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 22088#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 22087#L131 assume !(0 != ~mode3~0 % 256); 22086#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 21592#L144-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 21593#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 21583#L156 assume !(0 != ~mode4~0 % 256); 21492#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite7#1 := ~send4~0; 21493#L169-2 ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 22021#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 22019#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 22017#L184 assume !(node5_~m5~0#1 != ~nomsg~0); 22012#L184-1 ~mode5~0 := 0; 22010#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 22009#L206 assume !(0 != ~mode6~0 % 256); 21668#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite9#1 := ~send6~0; 21664#L219-2 ~p6_new~0 := (if node6_#t~ite9#1 % 256 <= 127 then node6_#t~ite9#1 % 256 else node6_#t~ite9#1 % 256 - 256);havoc node6_#t~ite9#1;~mode6~0 := 1; 21662#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 21660#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 21658#L400 assume !(~r1~0 % 256 >= 6); 21656#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 21653#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 21654#L399-1 check_#res#1 := check_~tmp~1#1; 21635#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 21636#L501 assume !(0 == assert_~arg#1 % 256); 21629#L496 assume { :end_inline_assert } true; 21630#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 21622#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 21623#L84 assume !(node1_~m1~0#1 != ~nomsg~0); 21612#L84-1 ~mode1~0 := 0; 21613#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 21604#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 21605#L109 assume !(node2_~m2~0#1 != ~nomsg~0); 21598#L109-1 ~mode2~0 := 0; 21599#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 21590#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 21591#L134 assume !(node3_~m3~0#1 != ~nomsg~0); 21581#L134-1 ~mode3~0 := 0; 21582#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 21550#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 21551#L159 assume !(node4_~m4~0#1 != ~nomsg~0); 21485#L159-1 ~mode4~0 := 0; 21573#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 21567#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 21568#L184 assume !(node5_~m5~0#1 != ~nomsg~0); 21561#L184-1 ~mode5~0 := 0; 21559#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 21557#L206 assume !(0 != ~mode6~0 % 256); 21552#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite9#1 := ~send6~0; 21553#L219-2 ~p6_new~0 := (if node6_#t~ite9#1 % 256 <= 127 then node6_#t~ite9#1 % 256 else node6_#t~ite9#1 % 256 - 256);havoc node6_#t~ite9#1;~mode6~0 := 1; 21554#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 22058#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 22056#L400 assume !(~r1~0 % 256 >= 6); 22054#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 22055#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 22098#L399-1 check_#res#1 := check_~tmp~1#1; 22097#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 22096#L501 assume !(0 == assert_~arg#1 % 256); 22095#L496 assume { :end_inline_assert } true; 21445#L469-2 [2021-12-06 23:09:44,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:44,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 12 times [2021-12-06 23:09:44,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:44,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662589614] [2021-12-06 23:09:44,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:44,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:09:44,854 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:09:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:09:44,864 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:09:44,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:44,864 INFO L85 PathProgramCache]: Analyzing trace with hash -474839081, now seen corresponding path program 1 times [2021-12-06 23:09:44,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:44,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262525469] [2021-12-06 23:09:44,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:44,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:44,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:44,900 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:09:44,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:44,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262525469] [2021-12-06 23:09:44,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262525469] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:44,900 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:44,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:44,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261442951] [2021-12-06 23:09:44,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:44,901 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 23:09:44,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:44,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:44,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:44,901 INFO L87 Difference]: Start difference. First operand 718 states and 990 transitions. cyclomatic complexity: 273 Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:44,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:44,915 INFO L93 Difference]: Finished difference Result 1326 states and 1806 transitions. [2021-12-06 23:09:44,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:44,916 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1326 states and 1806 transitions. [2021-12-06 23:09:44,920 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1280 [2021-12-06 23:09:44,926 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1326 states to 1326 states and 1806 transitions. [2021-12-06 23:09:44,927 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1326 [2021-12-06 23:09:44,927 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1326 [2021-12-06 23:09:44,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1326 states and 1806 transitions. [2021-12-06 23:09:44,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:09:44,929 INFO L681 BuchiCegarLoop]: Abstraction has 1326 states and 1806 transitions. [2021-12-06 23:09:44,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states and 1806 transitions. [2021-12-06 23:09:44,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1294. [2021-12-06 23:09:44,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1294 states, 1294 states have (on average 1.3585780525502318) internal successors, (1758), 1293 states have internal predecessors, (1758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:44,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1294 states and 1758 transitions. [2021-12-06 23:09:44,949 INFO L704 BuchiCegarLoop]: Abstraction has 1294 states and 1758 transitions. [2021-12-06 23:09:44,949 INFO L587 BuchiCegarLoop]: Abstraction has 1294 states and 1758 transitions. [2021-12-06 23:09:44,949 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-12-06 23:09:44,949 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1294 states and 1758 transitions. [2021-12-06 23:09:44,952 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1248 [2021-12-06 23:09:44,952 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:09:44,952 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:09:44,953 INFO L842 BuchiCegarLoop]: Counterexample stem 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] [2021-12-06 23:09:44,953 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:44,953 INFO L791 eck$LassoCheckResult]: Stem: 23587#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 23520#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~send1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~mode1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~id3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~st3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~send3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~st4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~send4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~mode4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~id5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~send5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id6~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~send6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 23521#L230 assume 0 == ~r1~0 % 256; 23564#L231 assume ~id1~0 >= 0; 23566#L232 assume 0 == ~st1~0; 23549#L233 assume ~send1~0 == ~id1~0; 23550#L234 assume 0 == ~mode1~0 % 256; 23560#L235 assume ~id2~0 >= 0; 23542#L236 assume 0 == ~st2~0; 23543#L237 assume ~send2~0 == ~id2~0; 23506#L238 assume 0 == ~mode2~0 % 256; 23507#L239 assume ~id3~0 >= 0; 23504#L240 assume 0 == ~st3~0; 23505#L241 assume ~send3~0 == ~id3~0; 23509#L242 assume 0 == ~mode3~0 % 256; 23565#L243 assume ~id4~0 >= 0; 23485#L244 assume 0 == ~st4~0; 23486#L245 assume ~send4~0 == ~id4~0; 23508#L246 assume 0 == ~mode4~0 % 256; 23548#L247 assume ~id5~0 >= 0; 23580#L248 assume 0 == ~st5~0; 23481#L249 assume ~send5~0 == ~id5~0; 23482#L250 assume 0 == ~mode5~0 % 256; 23567#L251 assume ~id6~0 >= 0; 23530#L252 assume 0 == ~st6~0; 23531#L253 assume ~send6~0 == ~id6~0; 23537#L254 assume 0 == ~mode6~0 % 256; 23498#L255 assume ~id1~0 != ~id2~0; 23499#L256 assume ~id1~0 != ~id3~0; 23532#L257 assume ~id1~0 != ~id4~0; 23510#L258 assume ~id1~0 != ~id5~0; 23511#L259 assume ~id1~0 != ~id6~0; 23551#L260 assume ~id2~0 != ~id3~0; 23552#L261 assume ~id2~0 != ~id4~0; 23538#L262 assume ~id2~0 != ~id5~0; 23539#L263 assume ~id2~0 != ~id6~0; 23544#L264 assume ~id3~0 != ~id4~0; 23545#L265 assume ~id3~0 != ~id5~0; 23492#L266 assume ~id3~0 != ~id6~0; 23493#L267 assume ~id4~0 != ~id5~0; 23502#L268 assume ~id4~0 != ~id6~0; 23503#L269 assume ~id5~0 != ~id6~0;init_~tmp~0#1 := 1; 23546#L230-1 init_#res#1 := init_~tmp~0#1; 23570#L391 main_#t~ret35#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret35#1;havoc main_#t~ret35#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 23527#L24 assume !(0 == assume_abort_if_not_~cond#1); 23494#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 23495#L469-2 [2021-12-06 23:09:44,953 INFO L793 eck$LassoCheckResult]: Loop: 23495#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 23857#L80 assume !(0 != ~mode1~0 % 256); 23856#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite4#1 := ~p1_new~0; 23855#L94-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 23854#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 23853#L106 assume !(0 != ~mode2~0 % 256); 23852#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 23851#L119-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 23850#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 23849#L131 assume !(0 != ~mode3~0 % 256); 23848#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 23847#L144-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 23846#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 23845#L156 assume !(0 != ~mode4~0 % 256); 23844#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite7#1 := ~send4~0; 23843#L169-2 ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 23842#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 23840#L181 assume !(0 != ~mode5~0 % 256); 23841#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 23834#L194-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 23828#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 23829#L206 assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 24165#L209 assume !(node6_~m6~0#1 != ~nomsg~0); 24161#L209-1 ~mode6~0 := 0; 24159#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 24157#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 24155#L400 assume !(~r1~0 % 256 >= 6); 24153#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 24150#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 24147#L399-1 check_#res#1 := check_~tmp~1#1; 24144#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 24145#L501 assume !(0 == assert_~arg#1 % 256); 24449#L496 assume { :end_inline_assert } true; 24448#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 24128#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 24129#L84 assume !(node1_~m1~0#1 != ~nomsg~0); 23663#L84-1 ~mode1~0 := 0; 23664#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 24615#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 24591#L109 assume !(node2_~m2~0#1 != ~nomsg~0); 24431#L109-1 ~mode2~0 := 0; 24587#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 24586#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 24583#L134 assume !(node3_~m3~0#1 != ~nomsg~0); 24423#L134-1 ~mode3~0 := 0; 24574#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 24572#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 24570#L159 assume !(node4_~m4~0#1 != ~nomsg~0); 24410#L159-1 ~mode4~0 := 0; 24339#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 24340#L181 assume !(0 != ~mode5~0 % 256); 24551#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 24550#L194-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 23932#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 23933#L206 assume !(0 != ~mode6~0 % 256); 23711#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite9#1 := ~send6~0; 23925#L219-2 ~p6_new~0 := (if node6_#t~ite9#1 % 256 <= 127 then node6_#t~ite9#1 % 256 else node6_#t~ite9#1 % 256 - 256);havoc node6_#t~ite9#1;~mode6~0 := 1; 23919#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 23920#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 23912#L400 assume !(~r1~0 % 256 >= 6); 23914#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 23905#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 23906#L399-1 check_#res#1 := check_~tmp~1#1; 23899#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 23900#L501 assume !(0 == assert_~arg#1 % 256); 23894#L496 assume { :end_inline_assert } true; 23495#L469-2 [2021-12-06 23:09:44,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:44,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1716035805, now seen corresponding path program 13 times [2021-12-06 23:09:44,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:44,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950819165] [2021-12-06 23:09:44,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:44,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:09:44,960 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:09:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:09:44,970 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:09:44,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:44,971 INFO L85 PathProgramCache]: Analyzing trace with hash 489074849, now seen corresponding path program 1 times [2021-12-06 23:09:44,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:44,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090273994] [2021-12-06 23:09:44,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:44,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:45,001 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:09:45,001 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:45,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090273994] [2021-12-06 23:09:45,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090273994] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:45,002 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:45,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:45,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429886689] [2021-12-06 23:09:45,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:45,002 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 23:09:45,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:45,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:09:45,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:09:45,002 INFO L87 Difference]: Start difference. First operand 1294 states and 1758 transitions. cyclomatic complexity: 465 Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:45,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:45,015 INFO L93 Difference]: Finished difference Result 1316 states and 1772 transitions. [2021-12-06 23:09:45,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:09:45,016 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1316 states and 1772 transitions. [2021-12-06 23:09:45,020 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1248 [2021-12-06 23:09:45,026 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1316 states to 1316 states and 1772 transitions. [2021-12-06 23:09:45,027 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1316 [2021-12-06 23:09:45,027 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1316 [2021-12-06 23:09:45,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1316 states and 1772 transitions. [2021-12-06 23:09:45,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:09:45,029 INFO L681 BuchiCegarLoop]: Abstraction has 1316 states and 1772 transitions. [2021-12-06 23:09:45,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1316 states and 1772 transitions. [2021-12-06 23:09:45,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1316 to 1312. [2021-12-06 23:09:45,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1312 states have (on average 1.3452743902439024) internal successors, (1765), 1311 states have internal predecessors, (1765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:45,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 1765 transitions. [2021-12-06 23:09:45,046 INFO L704 BuchiCegarLoop]: Abstraction has 1312 states and 1765 transitions. [2021-12-06 23:09:45,046 INFO L587 BuchiCegarLoop]: Abstraction has 1312 states and 1765 transitions. [2021-12-06 23:09:45,046 INFO L425 BuchiCegarLoop]: ======== Iteration 18============ [2021-12-06 23:09:45,046 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1312 states and 1765 transitions. [2021-12-06 23:09:45,048 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1248 [2021-12-06 23:09:45,049 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:09:45,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:09:45,049 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:45,049 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:45,050 INFO L791 eck$LassoCheckResult]: Stem: 26209#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 26137#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~send1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~mode1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~id3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~st3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~send3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~st4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~send4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~mode4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~id5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~send5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id6~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~send6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 26138#L230 assume 0 == ~r1~0 % 256; 26181#L231 assume ~id1~0 >= 0; 26187#L232 assume 0 == ~st1~0; 26169#L233 assume ~send1~0 == ~id1~0; 26170#L234 assume 0 == ~mode1~0 % 256; 26179#L235 assume ~id2~0 >= 0; 26162#L236 assume 0 == ~st2~0; 26163#L237 assume ~send2~0 == ~id2~0; 26123#L238 assume 0 == ~mode2~0 % 256; 26124#L239 assume ~id3~0 >= 0; 26121#L240 assume 0 == ~st3~0; 26122#L241 assume ~send3~0 == ~id3~0; 26126#L242 assume 0 == ~mode3~0 % 256; 26186#L243 assume ~id4~0 >= 0; 26101#L244 assume 0 == ~st4~0; 26102#L245 assume ~send4~0 == ~id4~0; 26125#L246 assume 0 == ~mode4~0 % 256; 26168#L247 assume ~id5~0 >= 0; 26200#L248 assume 0 == ~st5~0; 26097#L249 assume ~send5~0 == ~id5~0; 26098#L250 assume 0 == ~mode5~0 % 256; 26188#L251 assume ~id6~0 >= 0; 26148#L252 assume 0 == ~st6~0; 26149#L253 assume ~send6~0 == ~id6~0; 26157#L254 assume 0 == ~mode6~0 % 256; 26115#L255 assume ~id1~0 != ~id2~0; 26116#L256 assume ~id1~0 != ~id3~0; 26150#L257 assume ~id1~0 != ~id4~0; 26127#L258 assume ~id1~0 != ~id5~0; 26128#L259 assume ~id1~0 != ~id6~0; 26171#L260 assume ~id2~0 != ~id3~0; 26172#L261 assume ~id2~0 != ~id4~0; 26158#L262 assume ~id2~0 != ~id5~0; 26159#L263 assume ~id2~0 != ~id6~0; 26164#L264 assume ~id3~0 != ~id4~0; 26165#L265 assume ~id3~0 != ~id5~0; 26108#L266 assume ~id3~0 != ~id6~0; 26109#L267 assume ~id4~0 != ~id5~0; 26119#L268 assume ~id4~0 != ~id6~0; 26120#L269 assume ~id5~0 != ~id6~0;init_~tmp~0#1 := 1; 26166#L230-1 init_#res#1 := init_~tmp~0#1; 26191#L391 main_#t~ret35#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret35#1;havoc main_#t~ret35#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 26145#L24 assume !(0 == assume_abort_if_not_~cond#1); 26110#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 26111#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 27239#L80 assume !(0 != ~mode1~0 % 256); 27238#L94 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite4#1 := ~send1~0; 27236#L94-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 27234#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 27232#L106 assume !(0 != ~mode2~0 % 256); 27230#L119 assume !(~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0);node2_#t~ite5#1 := ~p2_new~0; 27228#L119-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 27226#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 27224#L131 assume !(0 != ~mode3~0 % 256); 27222#L144 assume !(~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0);node3_#t~ite6#1 := ~p3_new~0; 27220#L144-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 27218#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 27216#L156 assume !(0 != ~mode4~0 % 256); 27214#L169 assume !(~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0);node4_#t~ite7#1 := ~p4_new~0; 27212#L169-2 ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 27210#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 27209#L181 assume !(0 != ~mode5~0 % 256); 26426#L194 [2021-12-06 23:09:45,050 INFO L793 eck$LassoCheckResult]: Loop: 26426#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 26424#L194-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 26422#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 26393#L206 assume !(0 != ~mode6~0 % 256); 26385#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite9#1 := ~send6~0; 26381#L219-2 ~p6_new~0 := (if node6_#t~ite9#1 % 256 <= 127 then node6_#t~ite9#1 % 256 else node6_#t~ite9#1 % 256 - 256);havoc node6_#t~ite9#1;~mode6~0 := 1; 26377#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 26373#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 26367#L400 assume !(~r1~0 % 256 >= 6); 26361#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 26355#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 26349#L399-1 check_#res#1 := check_~tmp~1#1; 26345#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 26341#L501 assume !(0 == assert_~arg#1 % 256); 26337#L496 assume { :end_inline_assert } true; 26333#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 26328#L80 assume !(0 != ~mode1~0 % 256); 26324#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite4#1 := ~p1_new~0; 26322#L94-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 26320#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 26318#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 26315#L109 assume !(node2_~m2~0#1 != ~nomsg~0); 26310#L109-1 ~mode2~0 := 0; 26308#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 26306#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 26304#L134 assume !(node3_~m3~0#1 != ~nomsg~0); 26298#L134-1 ~mode3~0 := 0; 26296#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 26294#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 26292#L159 assume !(node4_~m4~0#1 != ~nomsg~0); 26286#L159-1 ~mode4~0 := 0; 26284#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 26282#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 26280#L184 assume !(node5_~m5~0#1 != ~nomsg~0); 26275#L184-1 ~mode5~0 := 0; 26276#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 26761#L206 assume !(0 != ~mode6~0 % 256); 26759#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite9#1 := ~send6~0; 26757#L219-2 ~p6_new~0 := (if node6_#t~ite9#1 % 256 <= 127 then node6_#t~ite9#1 % 256 else node6_#t~ite9#1 % 256 - 256);havoc node6_#t~ite9#1;~mode6~0 := 1; 26755#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 26754#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 26706#L400 assume !(~r1~0 % 256 >= 6); 26253#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 26248#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 26249#L399-1 check_#res#1 := check_~tmp~1#1; 26562#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 26560#L501 assume !(0 == assert_~arg#1 % 256); 26558#L496 assume { :end_inline_assert } true; 26556#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 26553#L80 assume !(0 != ~mode1~0 % 256); 26554#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite4#1 := ~p1_new~0; 27302#L94-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 27300#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 27298#L106 assume !(0 != ~mode2~0 % 256); 26210#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 26211#L119-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 27275#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 27274#L131 assume !(0 != ~mode3~0 % 256); 27268#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 27265#L144-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 27262#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 27260#L156 assume !(0 != ~mode4~0 % 256); 27258#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite7#1 := ~send4~0; 27255#L169-2 ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 27252#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 26428#L181 assume !(0 != ~mode5~0 % 256); 26426#L194 [2021-12-06 23:09:45,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:45,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1749965760, now seen corresponding path program 1 times [2021-12-06 23:09:45,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:45,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791592397] [2021-12-06 23:09:45,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:45,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:45,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:09:45,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:45,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791592397] [2021-12-06 23:09:45,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791592397] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:45,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:45,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:09:45,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834461291] [2021-12-06 23:09:45,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:45,085 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 23:09:45,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:45,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1213340633, now seen corresponding path program 1 times [2021-12-06 23:09:45,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:45,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110514041] [2021-12-06 23:09:45,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:45,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:45,113 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:09:45,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:45,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110514041] [2021-12-06 23:09:45,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110514041] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:45,114 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:45,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:09:45,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880716554] [2021-12-06 23:09:45,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:45,114 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 23:09:45,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:09:45,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:09:45,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:09:45,114 INFO L87 Difference]: Start difference. First operand 1312 states and 1765 transitions. cyclomatic complexity: 455 Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:45,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:09:45,195 INFO L93 Difference]: Finished difference Result 1312 states and 1748 transitions. [2021-12-06 23:09:45,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:09:45,195 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1312 states and 1748 transitions. [2021-12-06 23:09:45,201 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1248 [2021-12-06 23:09:45,211 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1312 states to 1312 states and 1748 transitions. [2021-12-06 23:09:45,211 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1312 [2021-12-06 23:09:45,212 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1312 [2021-12-06 23:09:45,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1312 states and 1748 transitions. [2021-12-06 23:09:45,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:09:45,215 INFO L681 BuchiCegarLoop]: Abstraction has 1312 states and 1748 transitions. [2021-12-06 23:09:45,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states and 1748 transitions. [2021-12-06 23:09:45,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 1312. [2021-12-06 23:09:45,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1312 states have (on average 1.3323170731707317) internal successors, (1748), 1311 states have internal predecessors, (1748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:09:45,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 1748 transitions. [2021-12-06 23:09:45,232 INFO L704 BuchiCegarLoop]: Abstraction has 1312 states and 1748 transitions. [2021-12-06 23:09:45,232 INFO L587 BuchiCegarLoop]: Abstraction has 1312 states and 1748 transitions. [2021-12-06 23:09:45,232 INFO L425 BuchiCegarLoop]: ======== Iteration 19============ [2021-12-06 23:09:45,232 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1312 states and 1748 transitions. [2021-12-06 23:09:45,235 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1248 [2021-12-06 23:09:45,235 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:09:45,235 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:09:45,235 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:45,236 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:09:45,236 INFO L791 eck$LassoCheckResult]: Stem: 28846#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(41, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0; 28777#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~ret35#1, main_#t~ret36#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~id1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~send1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~mode1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id2~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st2~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~id3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~st3~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~send3~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode3~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~st4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~send4~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~mode4~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~id5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~st5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~send5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode5~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~id6~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st6~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~send6~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode6~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 28778#L230 assume 0 == ~r1~0 % 256; 28820#L231 assume ~id1~0 >= 0; 28825#L232 assume 0 == ~st1~0; 28808#L233 assume ~send1~0 == ~id1~0; 28809#L234 assume 0 == ~mode1~0 % 256; 28818#L235 assume ~id2~0 >= 0; 28801#L236 assume 0 == ~st2~0; 28802#L237 assume ~send2~0 == ~id2~0; 28763#L238 assume 0 == ~mode2~0 % 256; 28764#L239 assume ~id3~0 >= 0; 28761#L240 assume 0 == ~st3~0; 28762#L241 assume ~send3~0 == ~id3~0; 28766#L242 assume 0 == ~mode3~0 % 256; 28824#L243 assume ~id4~0 >= 0; 28741#L244 assume 0 == ~st4~0; 28742#L245 assume ~send4~0 == ~id4~0; 28765#L246 assume 0 == ~mode4~0 % 256; 28807#L247 assume ~id5~0 >= 0; 28840#L248 assume 0 == ~st5~0; 28737#L249 assume ~send5~0 == ~id5~0; 28738#L250 assume 0 == ~mode5~0 % 256; 28826#L251 assume ~id6~0 >= 0; 28787#L252 assume 0 == ~st6~0; 28788#L253 assume ~send6~0 == ~id6~0; 28796#L254 assume 0 == ~mode6~0 % 256; 28755#L255 assume ~id1~0 != ~id2~0; 28756#L256 assume ~id1~0 != ~id3~0; 28789#L257 assume ~id1~0 != ~id4~0; 28767#L258 assume ~id1~0 != ~id5~0; 28768#L259 assume ~id1~0 != ~id6~0; 28810#L260 assume ~id2~0 != ~id3~0; 28811#L261 assume ~id2~0 != ~id4~0; 28797#L262 assume ~id2~0 != ~id5~0; 28798#L263 assume ~id2~0 != ~id6~0; 28803#L264 assume ~id3~0 != ~id4~0; 28804#L265 assume ~id3~0 != ~id5~0; 28748#L266 assume ~id3~0 != ~id6~0; 28749#L267 assume ~id4~0 != ~id5~0; 28759#L268 assume ~id4~0 != ~id6~0; 28760#L269 assume ~id5~0 != ~id6~0;init_~tmp~0#1 := 1; 28805#L230-1 init_#res#1 := init_~tmp~0#1; 28830#L391 main_#t~ret35#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret35#1;havoc main_#t~ret35#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 28784#L24 assume !(0 == assume_abort_if_not_~cond#1); 28750#L23 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 28751#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 28892#L80 assume !(0 != ~mode1~0 % 256); 28891#L94 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite4#1 := ~send1~0; 28890#L94-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 28889#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 28888#L106 assume !(0 != ~mode2~0 % 256); 28887#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 28886#L119-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 28885#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 28884#L131 assume !(0 != ~mode3~0 % 256); 28883#L144 assume !(~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0);node3_#t~ite6#1 := ~p3_new~0; 28882#L144-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 28881#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 28880#L156 assume !(0 != ~mode4~0 % 256); 28879#L169 assume !(~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0);node4_#t~ite7#1 := ~p4_new~0; 28878#L169-2 ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 28877#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 28874#L181 assume !(0 != ~mode5~0 % 256); 28875#L194 [2021-12-06 23:09:45,236 INFO L793 eck$LassoCheckResult]: Loop: 28875#L194 assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite8#1 := ~send5~0; 29112#L194-2 ~p5_new~0 := (if node5_#t~ite8#1 % 256 <= 127 then node5_#t~ite8#1 % 256 else node5_#t~ite8#1 % 256 - 256);havoc node5_#t~ite8#1;~mode5~0 := 1; 29106#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 29107#L206 assume 0 != ~mode6~0 % 256;node6_~m6~0#1 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 29400#L209 assume !(node6_~m6~0#1 != ~nomsg~0); 29396#L209-1 ~mode6~0 := 0; 29395#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 29394#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 29391#L400 assume !(~r1~0 % 256 >= 6); 29389#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 29386#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 29384#L399-1 check_#res#1 := check_~tmp~1#1; 29382#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 29379#L501 assume !(0 == assert_~arg#1 % 256); 29378#L496 assume { :end_inline_assert } true; 29375#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 29373#L80 assume 0 != ~mode1~0 % 256;~r1~0 := 1 + ~r1~0 % 256;node1_~m1~0#1 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 29369#L84 assume !(node1_~m1~0#1 != ~nomsg~0); 29365#L84-1 ~mode1~0 := 0; 29362#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 29361#L106 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 29357#L109 assume !(node2_~m2~0#1 != ~nomsg~0); 29352#L109-1 ~mode2~0 := 0; 29350#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 29349#L131 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 29348#L134 assume !(node3_~m3~0#1 != ~nomsg~0); 29343#L134-1 ~mode3~0 := 0; 29342#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 29341#L156 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 29340#L159 assume !(node4_~m4~0#1 != ~nomsg~0); 29333#L159-1 ~mode4~0 := 0; 29337#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 29336#L181 assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 29228#L184 assume !(node5_~m5~0#1 != ~nomsg~0); 29222#L184-1 ~mode5~0 := 0; 29220#L181-2 assume { :end_inline_node5 } true;assume { :begin_inline_node6 } true;havoc node6_#t~ite9#1, node6_~m6~0#1;havoc node6_~m6~0#1;node6_~m6~0#1 := ~nomsg~0; 29218#L206 assume !(0 != ~mode6~0 % 256); 29215#L219 assume ~send6~0 != ~nomsg~0 && ~p6_new~0 == ~nomsg~0;node6_#t~ite9#1 := ~send6~0; 29213#L219-2 ~p6_new~0 := (if node6_#t~ite9#1 % 256 <= 127 then node6_#t~ite9#1 % 256 else node6_#t~ite9#1 % 256 - 256);havoc node6_#t~ite9#1;~mode6~0 := 1; 29211#L206-2 assume { :end_inline_node6 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 29209#L399 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 29205#L400 assume !(~r1~0 % 256 >= 6); 29203#L403 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0; 29199#L404 assume ~r1~0 % 256 < 6;check_~tmp~1#1 := 1; 29197#L399-1 check_#res#1 := check_~tmp~1#1; 29195#L419 main_#t~ret36#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret36#1;havoc main_#t~ret36#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 29193#L501 assume !(0 == assert_~arg#1 % 256); 29191#L496 assume { :end_inline_assert } true; 29189#L469-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 29179#L80 assume !(0 != ~mode1~0 % 256); 29173#L94 assume !(~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0);node1_#t~ite4#1 := ~p1_new~0; 29170#L94-2 ~p1_new~0 := (if node1_#t~ite4#1 % 256 <= 127 then node1_#t~ite4#1 % 256 else node1_#t~ite4#1 % 256 - 256);havoc node1_#t~ite4#1;~mode1~0 := 1; 29166#L80-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite5#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 29164#L106 assume !(0 != ~mode2~0 % 256); 29160#L119 assume ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0;node2_#t~ite5#1 := ~send2~0; 29158#L119-2 ~p2_new~0 := (if node2_#t~ite5#1 % 256 <= 127 then node2_#t~ite5#1 % 256 else node2_#t~ite5#1 % 256 - 256);havoc node2_#t~ite5#1;~mode2~0 := 1; 29154#L106-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite6#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 29152#L131 assume !(0 != ~mode3~0 % 256); 29148#L144 assume ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0;node3_#t~ite6#1 := ~send3~0; 29145#L144-2 ~p3_new~0 := (if node3_#t~ite6#1 % 256 <= 127 then node3_#t~ite6#1 % 256 else node3_#t~ite6#1 % 256 - 256);havoc node3_#t~ite6#1;~mode3~0 := 1; 29146#L131-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite7#1, node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 29498#L156 assume !(0 != ~mode4~0 % 256); 29496#L169 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite7#1 := ~send4~0; 29494#L169-2 ~p4_new~0 := (if node4_#t~ite7#1 % 256 <= 127 then node4_#t~ite7#1 % 256 else node4_#t~ite7#1 % 256 - 256);havoc node4_#t~ite7#1;~mode4~0 := 1; 29493#L156-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_#t~ite8#1, node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 29492#L181 assume !(0 != ~mode5~0 % 256); 28875#L194 [2021-12-06 23:09:45,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:45,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1491800322, now seen corresponding path program 1 times [2021-12-06 23:09:45,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:45,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862662443] [2021-12-06 23:09:45,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:45,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:09:45,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:09:45,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:09:45,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862662443] [2021-12-06 23:09:45,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862662443] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:09:45,270 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:09:45,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:09:45,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655065653] [2021-12-06 23:09:45,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:09:45,271 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 23:09:45,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:09:45,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1072889961, now seen corresponding path program 1 times [2021-12-06 23:09:45,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:09:45,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385201942] [2021-12-06 23:09:45,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:09:45,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:09:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:09:45,292 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:09:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:09:45,308 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:09:47,491 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 23:09:47,492 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 23:09:47,492 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 23:09:47,492 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 23:09:47,492 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 23:09:47,492 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:09:47,492 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 23:09:47,492 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 23:09:47,492 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c_Iteration19_Loop [2021-12-06 23:09:47,492 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 23:09:47,492 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 23:09:47,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:09:47,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:09:47,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:09:47,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:09:47,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:09:47,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:09:47,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:09:47,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:09:47,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:09:47,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:09:47,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:09:47,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:09:47,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:09:47,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:09:47,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:09:47,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:09:47,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:09:47,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:09:48,320 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2021-12-06 23:09:49,119 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 32768 conjuctions. This might take some time... [2021-12-06 23:15:06,618 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 32768 conjuctions.