./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/avg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/avg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF --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 40ea744e34964af110b03a02fd30edb5f9eceb5eca9cf560d6cf7ef319b1e1e5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:22:02,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:22:02,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:22:02,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:22:02,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:22:02,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:22:02,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:22:02,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:22:02,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:22:02,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:22:02,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:22:02,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:22:02,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:22:02,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:22:02,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:22:02,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:22:02,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:22:02,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:22:02,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:22:02,593 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:22:02,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:22:02,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:22:02,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:22:02,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:22:02,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:22:02,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:22:02,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:22:02,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:22:02,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:22:02,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:22:02,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:22:02,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:22:02,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:22:02,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:22:02,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:22:02,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:22:02,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:22:02,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:22:02,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:22:02,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:22:02,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:22:02,624 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 07:22:02,676 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:22:02,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:22:02,677 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:22:02,677 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:22:02,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:22:02,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:22:02,679 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:22:02,679 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 07:22:02,680 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 07:22:02,680 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 07:22:02,681 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 07:22:02,681 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 07:22:02,681 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 07:22:02,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:22:02,682 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:22:02,682 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:22:02,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:22:02,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:22:02,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:22:02,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 07:22:02,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 07:22:02,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 07:22:02,683 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:22:02,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:22:02,683 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 07:22:02,684 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:22:02,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 07:22:02,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:22:02,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:22:02,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:22:02,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:22:02,685 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:22:02,686 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 07:22:02,686 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_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40ea744e34964af110b03a02fd30edb5f9eceb5eca9cf560d6cf7ef319b1e1e5 [2021-11-20 07:22:02,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:22:02,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:22:02,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:22:02,993 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:22:02,994 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:22:02,995 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/reducercommutativity/avg.i [2021-11-20 07:22:03,061 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/data/49abc7cea/f201c4e3998b4bd199f3f373ba78bf33/FLAG75cef3256 [2021-11-20 07:22:03,553 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:22:03,553 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/sv-benchmarks/c/reducercommutativity/avg.i [2021-11-20 07:22:03,560 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/data/49abc7cea/f201c4e3998b4bd199f3f373ba78bf33/FLAG75cef3256 [2021-11-20 07:22:03,909 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/data/49abc7cea/f201c4e3998b4bd199f3f373ba78bf33 [2021-11-20 07:22:03,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:22:03,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:22:03,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:22:03,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:22:03,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:22:03,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:22:03" (1/1) ... [2021-11-20 07:22:03,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4974f574 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:22:03, skipping insertion in model container [2021-11-20 07:22:03,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:22:03" (1/1) ... [2021-11-20 07:22:03,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:22:03,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:22:04,153 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_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/sv-benchmarks/c/reducercommutativity/avg.i[1286,1299] [2021-11-20 07:22:04,154 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:22:04,162 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:22:04,182 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_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/sv-benchmarks/c/reducercommutativity/avg.i[1286,1299] [2021-11-20 07:22:04,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:22:04,196 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:22:04,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:22:04 WrapperNode [2021-11-20 07:22:04,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:22:04,197 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:22:04,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:22:04,198 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:22:04,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:22:04" (1/1) ... [2021-11-20 07:22:04,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:22:04" (1/1) ... [2021-11-20 07:22:04,241 INFO L137 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 112 [2021-11-20 07:22:04,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:22:04,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:22:04,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:22:04,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:22:04,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:22:04" (1/1) ... [2021-11-20 07:22:04,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:22:04" (1/1) ... [2021-11-20 07:22:04,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:22:04" (1/1) ... [2021-11-20 07:22:04,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:22:04" (1/1) ... [2021-11-20 07:22:04,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:22:04" (1/1) ... [2021-11-20 07:22:04,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:22:04" (1/1) ... [2021-11-20 07:22:04,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:22:04" (1/1) ... [2021-11-20 07:22:04,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:22:04,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:22:04,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:22:04,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:22:04,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:22:04" (1/1) ... [2021-11-20 07:22:04,296 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:04,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:04,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:04,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 07:22:04,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:22:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:22:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:22:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:22:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:22:04,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:22:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:22:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:22:04,480 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:22:04,482 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:22:04,698 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:22:04,703 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:22:04,704 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-20 07:22:04,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:22:04 BoogieIcfgContainer [2021-11-20 07:22:04,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:22:04,706 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 07:22:04,706 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 07:22:04,710 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 07:22:04,710 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:22:04,711 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 07:22:03" (1/3) ... [2021-11-20 07:22:04,712 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@617fc28e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:22:04, skipping insertion in model container [2021-11-20 07:22:04,712 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:22:04,712 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:22:04" (2/3) ... [2021-11-20 07:22:04,712 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@617fc28e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:22:04, skipping insertion in model container [2021-11-20 07:22:04,713 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:22:04,713 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:22:04" (3/3) ... [2021-11-20 07:22:04,714 INFO L388 chiAutomizerObserver]: Analyzing ICFG avg.i [2021-11-20 07:22:04,779 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 07:22:04,779 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 07:22:04,779 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 07:22:04,779 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 07:22:04,779 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 07:22:04,780 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 07:22:04,780 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 07:22:04,780 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 07:22:04,794 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.434782608695652) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:04,812 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-11-20 07:22:04,813 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:22:04,813 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:22:04,818 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 07:22:04,818 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 07:22:04,818 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 07:22:04,818 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.434782608695652) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:04,820 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-11-20 07:22:04,820 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:22:04,820 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:22:04,820 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 07:22:04,821 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 07:22:04,826 INFO L791 eck$LassoCheckResult]: Stem: 5#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(6, 2);call write~init~int(97, 2, 0, 1);call write~init~int(118, 2, 1, 1);call write~init~int(103, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 16#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~ret4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;~N~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 14#L31true assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 22#L22-3true [2021-11-20 07:22:04,826 INFO L793 eck$LassoCheckResult]: Loop: 22#L22-3true assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 17#L22-2true avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 22#L22-3true [2021-11-20 07:22:04,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:04,831 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-11-20 07:22:04,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:04,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530951823] [2021-11-20 07:22:04,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:04,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:04,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:04,925 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:04,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:04,975 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:04,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:04,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1379, now seen corresponding path program 1 times [2021-11-20 07:22:04,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:04,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401993009] [2021-11-20 07:22:04,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:04,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:04,988 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:04,997 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:04,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:04,999 INFO L85 PathProgramCache]: Analyzing trace with hash 28693956, now seen corresponding path program 1 times [2021-11-20 07:22:04,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:05,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174997187] [2021-11-20 07:22:05,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:05,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:05,023 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:05,058 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:05,767 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:22:05,768 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:22:05,768 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:22:05,768 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:22:05,769 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:22:05,769 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:05,769 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:22:05,769 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:22:05,770 INFO L133 ssoRankerPreferences]: Filename of dumped script: avg.i_Iteration1_Lasso [2021-11-20 07:22:05,770 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:22:05,770 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:22:05,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:05,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:05,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:05,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:05,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:05,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:05,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:05,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:05,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:05,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:05,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:05,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:05,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:05,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:05,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:05,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:05,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:06,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:06,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:06,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:06,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:06,552 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:22:06,556 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:22:06,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:06,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:06,565 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:06,573 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 [2021-11-20 07:22:06,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:06,583 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:06,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:06,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:06,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:06,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:06,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:06,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 07:22:06,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:06,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-11-20 07:22:06,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:06,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:06,621 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:06,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 07:22:06,624 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 [2021-11-20 07:22:06,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:06,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:06,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:06,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:06,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:06,639 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:06,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:06,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:06,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:06,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:06,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:06,692 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:06,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 07:22:06,700 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 [2021-11-20 07:22:06,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:06,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:06,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:06,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:06,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:06,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:06,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:06,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:06,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:06,742 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:06,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:06,743 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:06,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 07:22:06,747 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 [2021-11-20 07:22:06,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:06,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:06,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:06,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:06,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:06,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:06,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:06,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:06,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:06,809 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:06,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:06,810 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:06,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 07:22:06,817 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 [2021-11-20 07:22:06,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:06,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:06,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:06,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:06,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:06,828 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:06,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:06,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:06,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:06,877 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:06,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:06,881 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:06,886 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 [2021-11-20 07:22:06,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:06,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:06,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:06,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:06,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:06,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:06,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:06,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 07:22:06,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:06,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:06,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:06,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:06,956 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:06,959 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 [2021-11-20 07:22:06,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:06,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:06,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:06,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:06,974 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:06,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:06,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 07:22:06,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:07,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:07,003 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:07,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:07,004 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:07,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 07:22:07,006 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 [2021-11-20 07:22:07,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:07,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:07,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:07,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:07,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:07,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:07,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:07,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:07,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:07,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:07,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:07,071 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:07,073 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 [2021-11-20 07:22:07,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 07:22:07,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:07,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:07,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:07,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:07,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:07,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:07,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:07,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:07,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:07,104 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:07,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:07,106 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:07,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 07:22:07,108 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 [2021-11-20 07:22:07,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:07,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:07,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:07,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:07,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:07,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:07,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:07,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:07,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:07,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:07,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:07,172 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:07,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 07:22:07,178 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 [2021-11-20 07:22:07,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:07,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:07,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:07,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:07,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:07,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:07,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:07,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:07,248 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:07,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:07,249 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:07,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 07:22:07,253 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 [2021-11-20 07:22:07,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:07,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:07,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:07,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:07,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:07,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:07,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:07,262 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:07,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:07,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:07,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:07,305 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:07,328 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 [2021-11-20 07:22:07,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:07,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:07,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:07,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:07,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:07,338 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:07,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:07,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 07:22:07,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:07,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:07,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:07,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:07,378 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:07,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 07:22:07,379 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 [2021-11-20 07:22:07,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:07,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:07,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:07,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:07,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:07,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:07,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:07,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:07,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:07,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:07,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:07,416 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:07,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 07:22:07,419 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 [2021-11-20 07:22:07,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:07,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:07,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:07,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:07,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:07,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:07,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:07,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:07,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:07,451 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:07,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:07,451 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:07,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 07:22:07,453 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 [2021-11-20 07:22:07,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:07,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:07,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:07,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:07,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:07,461 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:07,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:07,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:07,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:07,495 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:07,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:07,496 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:07,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 07:22:07,498 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 [2021-11-20 07:22:07,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:07,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:07,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:07,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:07,509 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:07,509 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:07,512 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:07,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:07,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:07,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:07,536 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:07,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 07:22:07,541 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 [2021-11-20 07:22:07,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:07,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:07,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:07,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:07,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:07,555 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:07,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:07,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:07,589 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:07,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:07,590 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:07,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 07:22:07,592 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 [2021-11-20 07:22:07,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:07,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:07,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:07,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:07,602 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:07,602 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:07,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:07,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:07,638 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:07,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:07,639 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:07,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 07:22:07,644 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 [2021-11-20 07:22:07,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:07,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:07,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:07,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:07,654 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:07,654 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:07,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:07,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:07,692 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:07,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:07,693 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:07,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 07:22:07,694 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 [2021-11-20 07:22:07,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:07,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:07,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:07,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:07,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:07,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:07,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:07,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:07,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:07,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:07,747 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:07,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 07:22:07,749 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 [2021-11-20 07:22:07,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:07,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:07,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:07,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:07,759 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:07,759 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:07,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:07,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-11-20 07:22:07,811 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:07,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:07,812 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:07,821 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 [2021-11-20 07:22:07,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:07,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:07,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:07,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:07,839 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:07,839 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:07,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 07:22:07,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:07,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:07,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:07,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:07,871 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:07,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 07:22:07,873 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 [2021-11-20 07:22:07,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:07,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:07,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:07,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:07,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:07,882 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:07,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:07,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-11-20 07:22:07,908 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:07,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:07,909 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:07,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 07:22:07,910 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 [2021-11-20 07:22:07,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:07,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:07,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:07,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:07,920 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:07,920 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:07,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:07,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:07,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:07,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:07,973 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:07,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 07:22:07,974 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 [2021-11-20 07:22:07,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:07,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:07,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:07,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:07,992 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:07,992 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:08,008 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 07:22:08,082 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-11-20 07:22:08,083 INFO L444 ModelExtractionUtils]: 9 out of 25 variables were initially zero. Simplification set additionally 11 variables to zero. [2021-11-20 07:22:08,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:08,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:08,101 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:08,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 07:22:08,165 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 07:22:08,202 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-20 07:22:08,202 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 07:22:08,203 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_avg_~i~0#1, v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1) = -2*ULTIMATE.start_avg_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1 Supporting invariants [1*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1 - 2*~N~0 >= 0] [2021-11-20 07:22:08,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:08,320 INFO L297 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2021-11-20 07:22:08,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:08,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 07:22:08,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:22:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:08,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:22:08,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:22:08,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:22:08,479 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-20 07:22:08,481 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.434782608695652) internal successors, (33), 23 states have internal predecessors, (33), 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:08,546 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.434782608695652) internal successors, (33), 23 states have internal predecessors, (33), 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 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) Result 51 states and 69 transitions. Complement of second has 8 states. [2021-11-20 07:22:08,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 07:22:08,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:08,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 37 transitions. [2021-11-20 07:22:08,555 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 3 letters. Loop has 2 letters. [2021-11-20 07:22:08,556 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:22:08,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 5 letters. Loop has 2 letters. [2021-11-20 07:22:08,556 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:22:08,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 3 letters. Loop has 4 letters. [2021-11-20 07:22:08,557 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:22:08,557 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 69 transitions. [2021-11-20 07:22:08,561 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-11-20 07:22:08,565 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 17 states and 23 transitions. [2021-11-20 07:22:08,566 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-11-20 07:22:08,566 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-11-20 07:22:08,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2021-11-20 07:22:08,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:22:08,567 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-11-20 07:22:08,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2021-11-20 07:22:08,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-11-20 07:22:08,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:08,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2021-11-20 07:22:08,593 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-11-20 07:22:08,594 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-11-20 07:22:08,594 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 07:22:08,594 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2021-11-20 07:22:08,595 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-11-20 07:22:08,595 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:22:08,595 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:22:08,596 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-20 07:22:08,596 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 07:22:08,596 INFO L791 eck$LassoCheckResult]: Stem: 173#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(6, 2);call write~init~int(97, 2, 0, 1);call write~init~int(118, 2, 1, 1);call write~init~int(103, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 174#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~ret4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;~N~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 183#L31 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 184#L22-3 assume !(avg_~i~0#1 < ~N~0); 185#L22-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 - 4294967296); 178#L25 main_#t~ret4#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret4#1;havoc main_#t~ret4#1;call main_#t~mem5#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem5#1;havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem6#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem6#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 179#L22-8 [2021-11-20 07:22:08,596 INFO L793 eck$LassoCheckResult]: Loop: 179#L22-8 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 180#L22-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 179#L22-8 [2021-11-20 07:22:08,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:08,597 INFO L85 PathProgramCache]: Analyzing trace with hash 889510859, now seen corresponding path program 1 times [2021-11-20 07:22:08,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:08,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965402877] [2021-11-20 07:22:08,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:08,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:08,609 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:22:08,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1191834940] [2021-11-20 07:22:08,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:08,610 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:22:08,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:08,611 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:22:08,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-11-20 07:22:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:08,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:22:08,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:22:08,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:22:08,731 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:22:08,731 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:22:08,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965402877] [2021-11-20 07:22:08,732 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:22:08,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191834940] [2021-11-20 07:22:08,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191834940] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:22:08,733 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:22:08,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:22:08,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941878876] [2021-11-20 07:22:08,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:22:08,738 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 07:22:08,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:08,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 1 times [2021-11-20 07:22:08,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:08,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398281927] [2021-11-20 07:22:08,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:08,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:08,764 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:08,775 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:08,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:22:08,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:22:08,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:22:08,836 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:08,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:22:08,874 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2021-11-20 07:22:08,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:22:08,875 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2021-11-20 07:22:08,879 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-11-20 07:22:08,881 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 21 transitions. [2021-11-20 07:22:08,881 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-11-20 07:22:08,881 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-11-20 07:22:08,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2021-11-20 07:22:08,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:22:08,882 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-11-20 07:22:08,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2021-11-20 07:22:08,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2021-11-20 07:22:08,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:08,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2021-11-20 07:22:08,891 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-11-20 07:22:08,891 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-11-20 07:22:08,891 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 07:22:08,891 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2021-11-20 07:22:08,893 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-11-20 07:22:08,893 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:22:08,893 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:22:08,894 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:22:08,894 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 07:22:08,894 INFO L791 eck$LassoCheckResult]: Stem: 229#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(6, 2);call write~init~int(97, 2, 0, 1);call write~init~int(118, 2, 1, 1);call write~init~int(103, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 230#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~ret4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;~N~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 239#L31 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 240#L22-3 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 242#L22-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 243#L22-3 assume !(avg_~i~0#1 < ~N~0); 241#L22-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 - 4294967296); 234#L25 main_#t~ret4#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret4#1;havoc main_#t~ret4#1;call main_#t~mem5#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem5#1;havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem6#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem6#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 235#L22-8 [2021-11-20 07:22:08,894 INFO L793 eck$LassoCheckResult]: Loop: 235#L22-8 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 236#L22-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 235#L22-8 [2021-11-20 07:22:08,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:08,895 INFO L85 PathProgramCache]: Analyzing trace with hash 123162473, now seen corresponding path program 1 times [2021-11-20 07:22:08,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:08,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202010637] [2021-11-20 07:22:08,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:08,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:08,919 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:22:08,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1302225859] [2021-11-20 07:22:08,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:08,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:22:08,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:08,966 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:22:08,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-11-20 07:22:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:09,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 07:22:09,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:22:09,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:22:09,074 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:22:09,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:22:09,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:22:09,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202010637] [2021-11-20 07:22:09,114 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:22:09,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302225859] [2021-11-20 07:22:09,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302225859] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:22:09,114 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 07:22:09,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-11-20 07:22:09,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586275821] [2021-11-20 07:22:09,115 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 07:22:09,115 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 07:22:09,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:09,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 2 times [2021-11-20 07:22:09,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:09,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386728178] [2021-11-20 07:22:09,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:09,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:09,121 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:09,126 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:09,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:22:09,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:22:09,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:22:09,173 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 7 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:09,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:22:09,231 INFO L93 Difference]: Finished difference Result 20 states and 23 transitions. [2021-11-20 07:22:09,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:22:09,233 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2021-11-20 07:22:09,234 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-11-20 07:22:09,235 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 23 transitions. [2021-11-20 07:22:09,236 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-11-20 07:22:09,236 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-11-20 07:22:09,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2021-11-20 07:22:09,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:22:09,236 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-11-20 07:22:09,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2021-11-20 07:22:09,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2021-11-20 07:22:09,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 18 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:09,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2021-11-20 07:22:09,240 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 22 transitions. [2021-11-20 07:22:09,240 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 22 transitions. [2021-11-20 07:22:09,240 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-20 07:22:09,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 22 transitions. [2021-11-20 07:22:09,243 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-11-20 07:22:09,243 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:22:09,243 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:22:09,245 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-11-20 07:22:09,245 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 07:22:09,245 INFO L791 eck$LassoCheckResult]: Stem: 317#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(6, 2);call write~init~int(97, 2, 0, 1);call write~init~int(118, 2, 1, 1);call write~init~int(103, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 318#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~ret4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;~N~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 327#L31 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 328#L22-3 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 330#L22-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 331#L22-3 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 332#L22-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 333#L22-3 assume !(avg_~i~0#1 < ~N~0); 329#L22-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 - 4294967296); 322#L25 main_#t~ret4#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret4#1;havoc main_#t~ret4#1;call main_#t~mem5#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem5#1;havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem6#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem6#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 323#L22-8 [2021-11-20 07:22:09,245 INFO L793 eck$LassoCheckResult]: Loop: 323#L22-8 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 324#L22-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 323#L22-8 [2021-11-20 07:22:09,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:09,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1898228857, now seen corresponding path program 2 times [2021-11-20 07:22:09,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:09,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663894788] [2021-11-20 07:22:09,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:09,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:09,270 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:22:09,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [20260852] [2021-11-20 07:22:09,275 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:22:09,275 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:22:09,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:09,281 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:22:09,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2021-11-20 07:22:09,327 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 07:22:09,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 07:22:09,327 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:09,351 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:09,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:09,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 3 times [2021-11-20 07:22:09,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:09,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597762865] [2021-11-20 07:22:09,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:09,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:09,357 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:09,362 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:09,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:09,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1163170153, now seen corresponding path program 1 times [2021-11-20 07:22:09,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:09,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694396187] [2021-11-20 07:22:09,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:09,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:09,404 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:22:09,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1375764595] [2021-11-20 07:22:09,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:09,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:22:09,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:09,424 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:22:09,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:09,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2021-11-20 07:22:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:09,475 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:09,504 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:11,380 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:22:11,380 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:22:11,380 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:22:11,381 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:22:11,381 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:22:11,381 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:11,381 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:22:11,381 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:22:11,381 INFO L133 ssoRankerPreferences]: Filename of dumped script: avg.i_Iteration4_Lasso [2021-11-20 07:22:11,381 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:22:11,381 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:22:11,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:11,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:11,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:11,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:11,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:11,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:11,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:11,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:11,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:11,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:11,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:11,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:11,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:11,695 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 29 [2021-11-20 07:22:13,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:13,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:13,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:13,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:13,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:13,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:13,786 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-20 07:22:15,381 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2021-11-20 07:22:19,463 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:22:19,464 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:22:19,464 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:19,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:19,469 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:19,471 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 [2021-11-20 07:22:19,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:19,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:19,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:19,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:19,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:19,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:19,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:19,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 07:22:19,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:19,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-11-20 07:22:19,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:19,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:19,534 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:19,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 07:22:19,535 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 [2021-11-20 07:22:19,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:19,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:19,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:19,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:19,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:19,543 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:19,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:19,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:19,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:19,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:19,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:19,565 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:19,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 07:22:19,566 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 [2021-11-20 07:22:19,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:19,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:19,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:19,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:19,574 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:19,575 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:19,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:19,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-11-20 07:22:19,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:19,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:19,635 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:19,637 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 [2021-11-20 07:22:19,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 07:22:19,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:19,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:19,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:19,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:19,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:19,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:19,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:19,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:19,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:19,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:19,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:19,670 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:19,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-20 07:22:19,671 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 [2021-11-20 07:22:19,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:19,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:19,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:19,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:19,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:19,679 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:19,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:19,689 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:19,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:19,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:19,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:19,710 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:19,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-20 07:22:19,724 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 [2021-11-20 07:22:19,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:19,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:19,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:19,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:19,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:19,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:19,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:19,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:19,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-11-20 07:22:19,752 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:19,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:19,753 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:19,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-20 07:22:19,754 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 [2021-11-20 07:22:19,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:19,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:19,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:19,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:19,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:19,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:19,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:19,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:19,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:19,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:19,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:19,784 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:19,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-20 07:22:19,786 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 [2021-11-20 07:22:19,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:19,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:19,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:19,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:19,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:19,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:19,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:19,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:19,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-11-20 07:22:19,848 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:19,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:19,849 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:19,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-20 07:22:19,850 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 [2021-11-20 07:22:19,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:19,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:19,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:19,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:19,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:19,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:19,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:19,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:19,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:19,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:19,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:19,881 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:19,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-20 07:22:19,882 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 [2021-11-20 07:22:19,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:19,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:19,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:19,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:19,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:19,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:19,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:19,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:19,922 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:19,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:19,923 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:19,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-20 07:22:19,927 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 [2021-11-20 07:22:19,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:19,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:19,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:19,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:19,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:19,936 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:19,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:19,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:19,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:19,975 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:19,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:19,976 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:19,988 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 [2021-11-20 07:22:19,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:19,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:19,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:19,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:19,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:19,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:19,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:19,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-20 07:22:20,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:20,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:20,021 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:20,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:20,022 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:20,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-20 07:22:20,023 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 [2021-11-20 07:22:20,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:20,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:20,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:20,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:20,032 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:20,032 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:20,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:20,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:20,055 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:20,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:20,056 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:20,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-20 07:22:20,065 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 [2021-11-20 07:22:20,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:20,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:20,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:20,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:20,074 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:20,074 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:20,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:20,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-11-20 07:22:20,096 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:20,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:20,097 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:20,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-20 07:22:20,100 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 [2021-11-20 07:22:20,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:20,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:20,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:20,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:20,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:20,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:20,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:20,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-11-20 07:22:20,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:20,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:20,142 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:20,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-20 07:22:20,144 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 [2021-11-20 07:22:20,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:20,152 INFO L203 nArgumentSynthesizer]: 6 stem disjuncts [2021-11-20 07:22:20,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:20,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:20,175 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-20 07:22:20,175 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:20,224 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 07:22:20,330 INFO L443 ModelExtractionUtils]: Simplification made 27 calls to the SMT solver. [2021-11-20 07:22:20,330 INFO L444 ModelExtractionUtils]: 5 out of 31 variables were initially zero. Simplification set additionally 21 variables to zero. [2021-11-20 07:22:20,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:20,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:20,339 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:20,341 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 07:22:20,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-20 07:22:20,369 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-20 07:22:20,369 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 07:22:20,369 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_avg_~i~0#1) = -2*ULTIMATE.start_avg_~i~0#1 + 3 Supporting invariants [-1*~N~0 + 2 >= 0] [2021-11-20 07:22:20,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:20,459 INFO L297 tatePredicateManager]: 24 out of 25 supporting invariants were superfluous and have been removed [2021-11-20 07:22:20,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:20,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 07:22:20,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:22:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:20,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 07:22:20,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:22:20,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:22:20,615 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2021-11-20 07:22:20,616 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 22 transitions. cyclomatic complexity: 7 Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:20,727 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 22 transitions. cyclomatic complexity: 7. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 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) Result 41 states and 52 transitions. Complement of second has 13 states. [2021-11-20 07:22:20,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2021-11-20 07:22:20,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:20,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 25 transitions. [2021-11-20 07:22:20,729 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 25 transitions. Stem has 10 letters. Loop has 2 letters. [2021-11-20 07:22:20,729 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:22:20,729 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 25 transitions. Stem has 12 letters. Loop has 2 letters. [2021-11-20 07:22:20,729 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:22:20,729 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 25 transitions. Stem has 10 letters. Loop has 4 letters. [2021-11-20 07:22:20,730 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:22:20,730 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 52 transitions. [2021-11-20 07:22:20,731 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-11-20 07:22:20,732 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 35 states and 43 transitions. [2021-11-20 07:22:20,732 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-11-20 07:22:20,732 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2021-11-20 07:22:20,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 43 transitions. [2021-11-20 07:22:20,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:22:20,733 INFO L681 BuchiCegarLoop]: Abstraction has 35 states and 43 transitions. [2021-11-20 07:22:20,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 43 transitions. [2021-11-20 07:22:20,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 26. [2021-11-20 07:22:20,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 25 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) [2021-11-20 07:22:20,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2021-11-20 07:22:20,735 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-11-20 07:22:20,735 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-11-20 07:22:20,736 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-20 07:22:20,736 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 32 transitions. [2021-11-20 07:22:20,737 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-11-20 07:22:20,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:22:20,737 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:22:20,737 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1, 1] [2021-11-20 07:22:20,738 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 07:22:20,738 INFO L791 eck$LassoCheckResult]: Stem: 561#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(6, 2);call write~init~int(97, 2, 0, 1);call write~init~int(118, 2, 1, 1);call write~init~int(103, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 562#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~ret4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;~N~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 574#L31 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 575#L22-3 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 578#L22-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 584#L22-3 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 583#L22-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 582#L22-3 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 576#L22-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 577#L22-3 assume !(avg_~i~0#1 < ~N~0); 573#L22-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 - 4294967296); 570#L25 main_#t~ret4#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret4#1;havoc main_#t~ret4#1;call main_#t~mem5#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem5#1;havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem6#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem6#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 567#L22-8 [2021-11-20 07:22:20,738 INFO L793 eck$LassoCheckResult]: Loop: 567#L22-8 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 566#L22-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 567#L22-8 [2021-11-20 07:22:20,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:20,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1164888101, now seen corresponding path program 3 times [2021-11-20 07:22:20,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:20,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605485691] [2021-11-20 07:22:20,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:20,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:20,749 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:22:20,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1846529650] [2021-11-20 07:22:20,750 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 07:22:20,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:22:20,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:20,753 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:22:20,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2021-11-20 07:22:20,816 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-20 07:22:20,816 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 07:22:20,816 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:20,840 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:20,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:20,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 4 times [2021-11-20 07:22:20,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:20,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769960004] [2021-11-20 07:22:20,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:20,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:20,845 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:20,850 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:20,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:20,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1528998265, now seen corresponding path program 2 times [2021-11-20 07:22:20,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:20,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184016749] [2021-11-20 07:22:20,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:20,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:20,859 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:22:20,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1660602898] [2021-11-20 07:22:20,860 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:22:20,860 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:22:20,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:20,865 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:22:20,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2021-11-20 07:22:20,914 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 07:22:20,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 07:22:20,915 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:20,940 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:22,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:31,301 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:22:31,301 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:22:31,301 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:22:31,301 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:22:31,302 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:22:31,302 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:31,302 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:22:31,302 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:22:31,302 INFO L133 ssoRankerPreferences]: Filename of dumped script: avg.i_Iteration5_Lasso [2021-11-20 07:22:31,302 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:22:31,302 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:22:31,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:31,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:31,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:31,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:31,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:31,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:32,242 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 37 [2021-11-20 07:22:37,954 WARN L227 SmtUtils]: Spent 5.58s on a formula simplification. DAG size of input: 150 DAG size of output: 133 (called from [L 441] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.setFormulaAndSimplify) [2021-11-20 07:22:38,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:38,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:38,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:38,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:38,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:38,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:38,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:38,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:38,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:38,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:38,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:38,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:38,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:22:38,038 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-11-20 07:22:40,649 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-11-20 07:22:44,267 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:22:44,267 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:22:44,268 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:44,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:44,278 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:44,281 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 [2021-11-20 07:22:44,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:44,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:44,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:44,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:44,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:44,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:44,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:44,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-20 07:22:44,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:44,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:44,327 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:44,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:44,328 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:44,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-20 07:22:44,329 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 [2021-11-20 07:22:44,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:44,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:44,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:44,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:44,339 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:44,339 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:44,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:44,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-11-20 07:22:44,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:44,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:44,369 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:44,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-20 07:22:44,371 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 [2021-11-20 07:22:44,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:44,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:44,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:44,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:44,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:44,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:44,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:44,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:44,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:44,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:44,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:44,399 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:44,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-20 07:22:44,400 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 [2021-11-20 07:22:44,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:44,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:44,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:44,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:44,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:44,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:44,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:44,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:44,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-11-20 07:22:44,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:44,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:44,428 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:44,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-20 07:22:44,430 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 [2021-11-20 07:22:44,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:44,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:44,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:44,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:44,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:44,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:44,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:44,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:44,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-11-20 07:22:44,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:44,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:44,458 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:44,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-20 07:22:44,459 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 [2021-11-20 07:22:44,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:44,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:44,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:44,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:44,473 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:44,473 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:44,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:44,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-11-20 07:22:44,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:44,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:44,523 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:44,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-20 07:22:44,529 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 [2021-11-20 07:22:44,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:44,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:44,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:44,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:44,538 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:44,538 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:44,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:44,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-11-20 07:22:44,559 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:44,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:44,560 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:44,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-20 07:22:44,571 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 [2021-11-20 07:22:44,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:44,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:44,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:44,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:44,579 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:44,579 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:44,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:44,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-11-20 07:22:44,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:44,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:44,601 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:44,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-20 07:22:44,602 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 [2021-11-20 07:22:44,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:44,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:44,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:44,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:44,611 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:44,611 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:44,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:44,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-11-20 07:22:44,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:44,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:44,633 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:44,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-20 07:22:44,635 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 [2021-11-20 07:22:44,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:44,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:44,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:44,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:44,643 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:44,643 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:44,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:44,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-11-20 07:22:44,664 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:44,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:44,665 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:44,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-20 07:22:44,666 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 [2021-11-20 07:22:44,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:44,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:44,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:44,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:44,674 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:44,674 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:44,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:44,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:44,696 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:44,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:44,697 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:44,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-20 07:22:44,698 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 [2021-11-20 07:22:44,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:44,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:44,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:44,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:44,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:44,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:44,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:44,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-11-20 07:22:44,728 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:44,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:44,729 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:44,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-20 07:22:44,730 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 [2021-11-20 07:22:44,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:44,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:44,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:44,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:44,738 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:44,738 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:44,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:44,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:44,760 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:44,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:44,760 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:44,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-20 07:22:44,761 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 [2021-11-20 07:22:44,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:44,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:44,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:44,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:44,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:44,770 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:44,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:44,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-11-20 07:22:44,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:44,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:44,796 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:44,811 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 [2021-11-20 07:22:44,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-20 07:22:44,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:44,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:44,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:44,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:44,820 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:44,820 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:44,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:44,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:44,841 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:44,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:44,842 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:44,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-20 07:22:44,848 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 [2021-11-20 07:22:44,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:44,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:44,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:44,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:44,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:44,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:44,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:44,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:44,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:44,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:44,925 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:44,926 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 [2021-11-20 07:22:44,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:44,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:44,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:44,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:44,938 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:44,938 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:44,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-20 07:22:44,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:44,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:44,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:44,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:44,990 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:44,992 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 [2021-11-20 07:22:45,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:45,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:45,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:45,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:45,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:45,001 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:45,001 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:45,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:45,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-20 07:22:45,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:45,057 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:45,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:45,058 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:45,059 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 [2021-11-20 07:22:45,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:45,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:45,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:45,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:45,070 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:45,070 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:45,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-20 07:22:45,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:45,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:45,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:45,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:45,115 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:45,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-20 07:22:45,116 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 [2021-11-20 07:22:45,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:45,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:45,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:45,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:45,124 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:45,124 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:45,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:45,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:45,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:45,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:45,147 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:45,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-20 07:22:45,148 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 [2021-11-20 07:22:45,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:45,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:45,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:45,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:45,157 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:45,157 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:45,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:45,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:45,178 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:45,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:45,179 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:45,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-20 07:22:45,186 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 [2021-11-20 07:22:45,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:45,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:22:45,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:45,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:45,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:45,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:22:45,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:22:45,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:45,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:45,228 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:45,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:45,229 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:45,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-20 07:22:45,230 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 [2021-11-20 07:22:45,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:45,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:22:45,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:45,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:45,239 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:22:45,239 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:45,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:22:45,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-11-20 07:22:45,262 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:45,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:45,262 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:45,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-20 07:22:45,266 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 [2021-11-20 07:22:45,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:22:45,274 INFO L203 nArgumentSynthesizer]: 6 stem disjuncts [2021-11-20 07:22:45,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:22:45,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:22:45,298 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-20 07:22:45,298 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:22:45,328 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 07:22:45,357 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-11-20 07:22:45,357 INFO L444 ModelExtractionUtils]: 11 out of 31 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-11-20 07:22:45,358 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:22:45,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:45,368 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:22:45,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-20 07:22:45,369 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 07:22:45,377 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 07:22:45,377 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 07:22:45,377 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_avg_~i~0#1, ~N~0) = -1*ULTIMATE.start_avg_~i~0#1 + 1*~N~0 Supporting invariants [] [2021-11-20 07:22:45,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-11-20 07:22:45,468 INFO L297 tatePredicateManager]: 32 out of 32 supporting invariants were superfluous and have been removed [2021-11-20 07:22:45,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:45,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 07:22:45,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:22:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:45,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 07:22:45,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:22:45,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:22:45,560 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-20 07:22:45,560 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 32 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:45,595 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 32 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) Result 34 states and 47 transitions. Complement of second has 7 states. [2021-11-20 07:22:45,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 07:22:45,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:45,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2021-11-20 07:22:45,599 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 12 letters. Loop has 2 letters. [2021-11-20 07:22:45,599 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:22:45,599 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 14 letters. Loop has 2 letters. [2021-11-20 07:22:45,600 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:22:45,600 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 12 letters. Loop has 4 letters. [2021-11-20 07:22:45,600 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:22:45,600 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 47 transitions. [2021-11-20 07:22:45,602 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-20 07:22:45,604 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 27 states and 34 transitions. [2021-11-20 07:22:45,605 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-11-20 07:22:45,606 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-11-20 07:22:45,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 34 transitions. [2021-11-20 07:22:45,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:22:45,607 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-11-20 07:22:45,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 34 transitions. [2021-11-20 07:22:45,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 20. [2021-11-20 07:22:45,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.2) internal successors, (24), 19 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:45,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2021-11-20 07:22:45,612 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2021-11-20 07:22:45,613 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2021-11-20 07:22:45,613 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-20 07:22:45,613 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 24 transitions. [2021-11-20 07:22:45,615 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-20 07:22:45,615 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:22:45,615 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:22:45,617 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:22:45,617 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 07:22:45,625 INFO L791 eck$LassoCheckResult]: Stem: 815#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(6, 2);call write~init~int(97, 2, 0, 1);call write~init~int(118, 2, 1, 1);call write~init~int(103, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 816#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~ret4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;~N~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 826#L31 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 827#L22-3 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 829#L22-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 830#L22-3 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 831#L22-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 832#L22-3 assume !(avg_~i~0#1 < ~N~0); 828#L22-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 - 4294967296); 820#L25 main_#t~ret4#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret4#1;havoc main_#t~ret4#1;call main_#t~mem5#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem5#1;havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem6#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem6#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 821#L22-8 assume !(avg_~i~0#1 < ~N~0); 824#L22-9 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 - 4294967296); 825#L25-1 main_#t~ret7#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret2~0#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~1#1 := 0; 819#L43-3 [2021-11-20 07:22:45,626 INFO L793 eck$LassoCheckResult]: Loop: 819#L43-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem10#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int(main_#t~mem10#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem10#1; 818#L43-2 main_#t~post9#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 819#L43-3 [2021-11-20 07:22:45,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:45,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1698534614, now seen corresponding path program 1 times [2021-11-20 07:22:45,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:45,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001403773] [2021-11-20 07:22:45,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:45,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:45,645 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:22:45,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1984034027] [2021-11-20 07:22:45,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:45,654 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:22:45,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:45,655 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:22:45,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Waiting until timeout for monitored process [2021-11-20 07:22:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:45,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 07:22:45,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:22:45,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 07:22:45,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 07:22:45,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:22:45,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001403773] [2021-11-20 07:22:45,746 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:22:45,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984034027] [2021-11-20 07:22:45,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1984034027] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:22:45,747 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:22:45,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:22:45,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061297386] [2021-11-20 07:22:45,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:22:45,748 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 07:22:45,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:45,748 INFO L85 PathProgramCache]: Analyzing trace with hash 2403, now seen corresponding path program 1 times [2021-11-20 07:22:45,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:45,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661617043] [2021-11-20 07:22:45,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:45,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:45,755 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:45,764 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:45,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:22:45,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:22:45,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:22:45,818 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:45,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:22:45,849 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2021-11-20 07:22:45,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:22:45,850 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 26 transitions. [2021-11-20 07:22:45,851 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-20 07:22:45,851 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 26 transitions. [2021-11-20 07:22:45,851 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-11-20 07:22:45,851 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-11-20 07:22:45,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 26 transitions. [2021-11-20 07:22:45,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:22:45,852 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 26 transitions. [2021-11-20 07:22:45,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 26 transitions. [2021-11-20 07:22:45,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2021-11-20 07:22:45,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.15) internal successors, (23), 19 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:45,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2021-11-20 07:22:45,854 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-11-20 07:22:45,854 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-11-20 07:22:45,854 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-20 07:22:45,854 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2021-11-20 07:22:45,855 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-20 07:22:45,855 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:22:45,855 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:22:45,856 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:22:45,856 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 07:22:45,856 INFO L791 eck$LassoCheckResult]: Stem: 901#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(6, 2);call write~init~int(97, 2, 0, 1);call write~init~int(118, 2, 1, 1);call write~init~int(103, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 902#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~ret4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;~N~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 912#L31 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 913#L22-3 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 915#L22-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 916#L22-3 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 917#L22-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 918#L22-3 assume !(avg_~i~0#1 < ~N~0); 914#L22-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 - 4294967296); 906#L25 main_#t~ret4#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret4#1;havoc main_#t~ret4#1;call main_#t~mem5#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem5#1;havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem6#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem6#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 907#L22-8 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 908#L22-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 909#L22-8 assume !(avg_~i~0#1 < ~N~0); 910#L22-9 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 - 4294967296); 911#L25-1 main_#t~ret7#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret2~0#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~1#1 := 0; 905#L43-3 [2021-11-20 07:22:45,856 INFO L793 eck$LassoCheckResult]: Loop: 905#L43-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem10#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int(main_#t~mem10#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem10#1; 904#L43-2 main_#t~post9#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 905#L43-3 [2021-11-20 07:22:45,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:45,857 INFO L85 PathProgramCache]: Analyzing trace with hash 205910964, now seen corresponding path program 1 times [2021-11-20 07:22:45,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:45,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234808971] [2021-11-20 07:22:45,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:45,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:45,863 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:22:45,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1926447245] [2021-11-20 07:22:45,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:45,864 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:22:45,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:45,881 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:22:45,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Waiting until timeout for monitored process [2021-11-20 07:22:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:22:45,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 07:22:45,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:22:45,980 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 07:22:45,980 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:22:46,027 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 07:22:46,028 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:22:46,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234808971] [2021-11-20 07:22:46,028 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 07:22:46,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926447245] [2021-11-20 07:22:46,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1926447245] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:22:46,028 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 07:22:46,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-11-20 07:22:46,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061166366] [2021-11-20 07:22:46,029 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 07:22:46,030 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 07:22:46,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:46,030 INFO L85 PathProgramCache]: Analyzing trace with hash 2403, now seen corresponding path program 2 times [2021-11-20 07:22:46,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:46,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758626461] [2021-11-20 07:22:46,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:46,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:46,037 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:46,050 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:46,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:22:46,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:22:46,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:22:46,119 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. cyclomatic complexity: 7 Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:46,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:22:46,185 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2021-11-20 07:22:46,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:22:46,186 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 31 transitions. [2021-11-20 07:22:46,187 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-20 07:22:46,187 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 28 states and 31 transitions. [2021-11-20 07:22:46,188 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-11-20 07:22:46,188 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-11-20 07:22:46,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 31 transitions. [2021-11-20 07:22:46,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:22:46,188 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 31 transitions. [2021-11-20 07:22:46,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 31 transitions. [2021-11-20 07:22:46,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 22. [2021-11-20 07:22:46,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 21 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:22:46,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2021-11-20 07:22:46,190 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2021-11-20 07:22:46,190 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 25 transitions. [2021-11-20 07:22:46,190 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-11-20 07:22:46,190 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 25 transitions. [2021-11-20 07:22:46,191 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-11-20 07:22:46,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:22:46,191 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:22:46,191 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:22:46,191 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 07:22:46,192 INFO L791 eck$LassoCheckResult]: Stem: 1045#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(6, 2);call write~init~int(97, 2, 0, 1);call write~init~int(118, 2, 1, 1);call write~init~int(103, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 1046#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~ret4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;~N~0 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 1056#L31 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1057#L22-3 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1062#L22-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1063#L22-3 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1059#L22-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1060#L22-3 assume !(avg_~i~0#1 < ~N~0); 1058#L22-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 - 4294967296); 1050#L25 main_#t~ret4#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret4#1;havoc main_#t~ret4#1;call main_#t~mem5#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem5#1;havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem6#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem6#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1051#L22-8 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1052#L22-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1053#L22-8 assume !!(avg_~i~0#1 < ~N~0);call avg_#t~mem2#1 := read~int(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1054#L22-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1064#L22-8 assume !(avg_~i~0#1 < ~N~0); 1061#L22-9 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % ~N~0 then (if ~N~0 < 0 then avg_~ret~0#1 / ~N~0 - 1 else 1 + avg_~ret~0#1 / ~N~0) else avg_~ret~0#1 / ~N~0) % 4294967296 - 4294967296); 1055#L25-1 main_#t~ret7#1 := avg_#res#1;assume { :end_inline_avg } true;main_~ret2~0#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~1#1 := 0; 1049#L43-3 [2021-11-20 07:22:46,192 INFO L793 eck$LassoCheckResult]: Loop: 1049#L43-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem10#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int(main_#t~mem10#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem10#1; 1048#L43-2 main_#t~post9#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1049#L43-3 [2021-11-20 07:22:46,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:46,193 INFO L85 PathProgramCache]: Analyzing trace with hash 313660178, now seen corresponding path program 2 times [2021-11-20 07:22:46,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:46,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024533374] [2021-11-20 07:22:46,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:46,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:46,199 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:22:46,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1650375389] [2021-11-20 07:22:46,200 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:22:46,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:22:46,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:46,206 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:22:46,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Waiting until timeout for monitored process [2021-11-20 07:22:46,261 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 07:22:46,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 07:22:46,262 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:46,292 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:46,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:46,293 INFO L85 PathProgramCache]: Analyzing trace with hash 2403, now seen corresponding path program 3 times [2021-11-20 07:22:46,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:46,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657567955] [2021-11-20 07:22:46,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:46,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:46,296 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:46,299 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:46,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:22:46,300 INFO L85 PathProgramCache]: Analyzing trace with hash 779721780, now seen corresponding path program 1 times [2021-11-20 07:22:46,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:22:46,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681894246] [2021-11-20 07:22:46,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:46,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:22:46,319 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:22:46,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1733916113] [2021-11-20 07:22:46,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:22:46,321 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:22:46,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:22:46,322 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:22:46,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (80)] Waiting until timeout for monitored process [2021-11-20 07:22:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:46,390 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:22:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:22:46,417 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:22:46,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ad39bd8-d613-4cd7-b5a9-b10048891cf7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-11-20 07:22:58,136 WARN L227 SmtUtils]: Spent 11.67s on a formula simplification. DAG size of input: 233 DAG size of output: 201 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-20 07:23:44,787 WARN L227 SmtUtils]: Spent 16.62s on a formula simplification that was a NOOP. DAG size: 172 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-20 07:23:44,790 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:23:44,790 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:23:44,790 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:23:44,790 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:23:44,790 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:23:44,790 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:23:44,790 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:23:44,791 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:23:44,791 INFO L133 ssoRankerPreferences]: Filename of dumped script: avg.i_Iteration8_Lasso [2021-11-20 07:23:44,791 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:23:44,791 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:23:44,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:23:44,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:23:44,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:23:44,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:23:44,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:23:44,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:23:44,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:23:44,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:23:44,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:23:54,853 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 58