./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Urban-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Urban-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS --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 64bit --witnessprinter.graph.data.programhash 1d6689857addc69d8e93b105a4c59c28f3ca430e8db3cb8066938aeb93b34a30 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 03:18:53,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:18:53,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:18:53,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:18:53,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:18:53,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:18:53,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:18:53,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:18:53,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:18:53,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:18:53,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:18:53,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:18:53,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:18:53,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:18:53,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:18:53,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:18:53,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:18:53,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:18:53,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:18:53,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:18:53,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:18:53,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:18:53,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:18:53,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:18:53,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:18:53,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:18:53,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:18:53,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:18:53,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:18:53,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:18:53,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:18:53,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:18:53,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:18:53,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:18:53,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:18:53,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:18:53,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:18:53,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:18:53,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:18:53,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:18:53,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:18:53,681 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-23 03:18:53,722 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:18:53,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:18:53,722 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:18:53,723 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:18:53,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:18:53,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:18:53,724 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:18:53,725 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-23 03:18:53,725 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-23 03:18:53,725 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-23 03:18:53,726 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-23 03:18:53,726 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-23 03:18:53,726 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-23 03:18:53,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:18:53,727 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 03:18:53,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:18:53,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:18:53,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-23 03:18:53,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-23 03:18:53,728 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-23 03:18:53,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:18:53,728 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-23 03:18:53,728 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:18:53,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-23 03:18:53,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:18:53,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:18:53,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:18:53,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:18:53,731 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-23 03:18:53,732 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_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d6689857addc69d8e93b105a4c59c28f3ca430e8db3cb8066938aeb93b34a30 [2022-11-23 03:18:54,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:18:54,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:18:54,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:18:54,107 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:18:54,108 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:18:54,109 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/termination-memory-alloca/Urban-alloca-2.i [2022-11-23 03:18:57,111 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:18:57,405 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:18:57,406 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/sv-benchmarks/c/termination-memory-alloca/Urban-alloca-2.i [2022-11-23 03:18:57,421 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/data/23d238921/8c78466f22504cb4ac065cb648668b44/FLAGe9d918712 [2022-11-23 03:18:57,436 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/data/23d238921/8c78466f22504cb4ac065cb648668b44 [2022-11-23 03:18:57,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:18:57,440 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:18:57,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:18:57,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:18:57,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:18:57,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:18:57" (1/1) ... [2022-11-23 03:18:57,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13e44b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:18:57, skipping insertion in model container [2022-11-23 03:18:57,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:18:57" (1/1) ... [2022-11-23 03:18:57,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:18:57,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:18:57,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:18:57,835 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:18:57,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:18:57,897 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:18:57,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:18:57 WrapperNode [2022-11-23 03:18:57,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:18:57,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:18:57,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:18:57,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:18:57,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:18:57" (1/1) ... [2022-11-23 03:18:57,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:18:57" (1/1) ... [2022-11-23 03:18:57,937 INFO L138 Inliner]: procedures = 110, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 58 [2022-11-23 03:18:57,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:18:57,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:18:57,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:18:57,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:18:57,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:18:57" (1/1) ... [2022-11-23 03:18:57,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:18:57" (1/1) ... [2022-11-23 03:18:57,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:18:57" (1/1) ... [2022-11-23 03:18:57,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:18:57" (1/1) ... [2022-11-23 03:18:57,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:18:57" (1/1) ... [2022-11-23 03:18:57,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:18:57" (1/1) ... [2022-11-23 03:18:57,959 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:18:57" (1/1) ... [2022-11-23 03:18:57,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:18:57" (1/1) ... [2022-11-23 03:18:57,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:18:57,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:18:57,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:18:57,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:18:57,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:18:57" (1/1) ... [2022-11-23 03:18:57,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:18:57,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:18:58,007 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:18:58,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-23 03:18:58,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 03:18:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 03:18:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 03:18:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 03:18:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:18:58,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:18:58,189 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:18:58,191 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:18:58,379 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:18:58,385 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:18:58,385 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 03:18:58,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:18:58 BoogieIcfgContainer [2022-11-23 03:18:58,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:18:58,388 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-23 03:18:58,388 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-23 03:18:58,398 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-23 03:18:58,399 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 03:18:58,399 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 03:18:57" (1/3) ... [2022-11-23 03:18:58,400 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c0ddefd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:18:58, skipping insertion in model container [2022-11-23 03:18:58,415 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 03:18:58,415 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:18:57" (2/3) ... [2022-11-23 03:18:58,416 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c0ddefd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:18:58, skipping insertion in model container [2022-11-23 03:18:58,416 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 03:18:58,416 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:18:58" (3/3) ... [2022-11-23 03:18:58,418 INFO L332 chiAutomizerObserver]: Analyzing ICFG Urban-alloca-2.i [2022-11-23 03:18:58,505 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-23 03:18:58,505 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-23 03:18:58,506 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-23 03:18:58,506 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-23 03:18:58,506 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-23 03:18:58,506 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-23 03:18:58,506 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-23 03:18:58,507 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-23 03:18:58,511 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 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) [2022-11-23 03:18:58,530 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-23 03:18:58,531 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:18:58,531 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:18:58,538 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-23 03:18:58,538 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-23 03:18:58,538 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-23 03:18:58,539 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 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) [2022-11-23 03:18:58,541 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-23 03:18:58,542 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:18:58,542 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:18:58,542 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-23 03:18:58,543 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-23 03:18:58,551 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem9#1, main_#t~nondet10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~nondet17#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 9#L561-2true [2022-11-23 03:18:58,553 INFO L750 eck$LassoCheckResult]: Loop: 9#L561-2true call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 11#L552-1true assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 6#L552-3true assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 3#L553true assume !(main_#t~mem9#1 > 0);havoc main_#t~mem9#1; 7#L561true assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1;call main_#t~mem15#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(1 + main_#t~mem15#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem15#1; 9#L561-2true [2022-11-23 03:18:58,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:18:58,561 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-23 03:18:58,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:18:58,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176151346] [2022-11-23 03:18:58,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:18:58,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:18:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:18:58,712 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:18:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:18:58,749 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:18:58,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:18:58,753 INFO L85 PathProgramCache]: Analyzing trace with hash 35409937, now seen corresponding path program 1 times [2022-11-23 03:18:58,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:18:58,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794254785] [2022-11-23 03:18:58,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:18:58,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:18:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:18:58,793 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:18:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:18:58,820 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:18:58,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:18:58,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1806849423, now seen corresponding path program 1 times [2022-11-23 03:18:58,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:18:58,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080941579] [2022-11-23 03:18:58,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:18:58,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:18:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:18:58,875 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:18:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:18:58,897 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:18:59,533 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 03:18:59,533 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 03:18:59,534 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 03:18:59,534 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 03:18:59,534 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 03:18:59,534 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:18:59,534 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 03:18:59,534 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 03:18:59,535 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca-2.i_Iteration1_Lasso [2022-11-23 03:18:59,535 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 03:18:59,535 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 03:18:59,555 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:18:59,565 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:18:59,569 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:18:59,572 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:18:59,574 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:18:59,578 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:18:59,581 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:18:59,584 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:18:59,587 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:18:59,589 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:18:59,972 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:18:59,975 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:18:59,978 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:18:59,982 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:18:59,985 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:18:59,989 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:18:59,992 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:18:59,997 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:00,000 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:00,004 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:00,008 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:00,433 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 03:19:00,441 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 03:19:00,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:00,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:00,447 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:00,455 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 [2022-11-23 03:19:00,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-23 03:19:00,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:00,468 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:19:00,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:00,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:00,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:00,471 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:19:00,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:19:00,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:00,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:00,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:00,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:00,501 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:00,513 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 [2022-11-23 03:19:00,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:00,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:00,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:00,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:00,531 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:19:00,532 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:19:00,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-23 03:19:00,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:00,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:00,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:00,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:00,556 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:00,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:19:00,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:00,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:19:00,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:00,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:00,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:00,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:19:00,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:19:00,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-23 03:19:00,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:00,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:00,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:00,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:00,615 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:00,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-23 03:19:00,622 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 [2022-11-23 03:19:00,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:00,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:19:00,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:00,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:00,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:00,635 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:19:00,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:19:00,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:00,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:00,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:00,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:00,657 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:00,668 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 [2022-11-23 03:19:00,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-23 03:19:00,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:00,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:00,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:00,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:00,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:19:00,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:19:00,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:00,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:00,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:00,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:00,701 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:00,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-23 03:19:00,709 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 [2022-11-23 03:19:00,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:00,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:19:00,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:00,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:00,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:00,722 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:19:00,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:19:00,728 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:00,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:00,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:00,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:00,735 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:00,749 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 [2022-11-23 03:19:00,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:00,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:00,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:00,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:00,764 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:19:00,764 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:19:00,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-23 03:19:00,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:00,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:00,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:00,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:00,793 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:00,804 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 [2022-11-23 03:19:00,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:00,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:19:00,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:00,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:00,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:00,818 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:19:00,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:19:00,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-23 03:19:00,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:00,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:00,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:00,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:00,846 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:00,855 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 [2022-11-23 03:19:00,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:00,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:19:00,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:00,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:00,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:00,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:19:00,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:19:00,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-23 03:19:00,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:00,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:00,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:00,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:00,893 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:00,903 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 [2022-11-23 03:19:00,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:00,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:00,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:00,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:00,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-23 03:19:00,923 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:19:00,924 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:19:00,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:00,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:00,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:00,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:00,949 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:00,988 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 [2022-11-23 03:19:01,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-23 03:19:01,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:01,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:01,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:01,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:01,006 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:19:01,006 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:19:01,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:01,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:01,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:01,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:01,037 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:01,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-23 03:19:01,045 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 [2022-11-23 03:19:01,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:01,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:01,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:01,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:01,062 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:19:01,062 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:19:01,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:01,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:01,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:01,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:01,091 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:01,100 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 [2022-11-23 03:19:01,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:01,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:01,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:01,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:01,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-23 03:19:01,116 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:19:01,117 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:19:01,135 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 03:19:01,158 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-23 03:19:01,159 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-23 03:19:01,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:01,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:01,182 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:01,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-23 03:19:01,190 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 03:19:01,205 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-23 03:19:01,205 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 03:19:01,206 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1 Supporting invariants [] [2022-11-23 03:19:01,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:01,255 INFO L156 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2022-11-23 03:19:01,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:19:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:01,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:19:01,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:19:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:01,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-23 03:19:01,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:19:01,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:19:01,489 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2022-11-23 03:19:01,491 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 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) Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:19:01,593 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 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). Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 58 transitions. Complement of second has 14 states. [2022-11-23 03:19:01,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2022-11-23 03:19:01,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:19:01,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 22 transitions. [2022-11-23 03:19:01,602 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 22 transitions. Stem has 2 letters. Loop has 5 letters. [2022-11-23 03:19:01,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:19:01,603 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 22 transitions. Stem has 7 letters. Loop has 5 letters. [2022-11-23 03:19:01,604 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:19:01,604 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 22 transitions. Stem has 2 letters. Loop has 10 letters. [2022-11-23 03:19:01,604 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:19:01,605 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 58 transitions. [2022-11-23 03:19:01,607 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-23 03:19:01,611 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 21 states and 31 transitions. [2022-11-23 03:19:01,612 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-23 03:19:01,613 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-11-23 03:19:01,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 31 transitions. [2022-11-23 03:19:01,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 03:19:01,614 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 31 transitions. [2022-11-23 03:19:01,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 31 transitions. [2022-11-23 03:19:01,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 18. [2022-11-23 03:19:01,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.5) internal successors, (27), 17 states have internal predecessors, (27), 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) [2022-11-23 03:19:01,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 27 transitions. [2022-11-23 03:19:01,640 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 27 transitions. [2022-11-23 03:19:01,641 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 27 transitions. [2022-11-23 03:19:01,641 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-23 03:19:01,641 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 27 transitions. [2022-11-23 03:19:01,642 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-23 03:19:01,642 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:19:01,642 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:19:01,642 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-23 03:19:01,643 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-23 03:19:01,643 INFO L748 eck$LassoCheckResult]: Stem: 167#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 168#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem9#1, main_#t~nondet10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~nondet17#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 176#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 175#L552-1 assume !main_#t~short8#1; 171#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 162#L553 assume main_#t~mem9#1 > 0;havoc main_#t~mem9#1; 163#L554 [2022-11-23 03:19:01,643 INFO L750 eck$LassoCheckResult]: Loop: 163#L554 assume 0 != main_#t~nondet10#1;havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem11#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1;call write~int(main_#t~nondet12#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet12#1; 169#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 173#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 179#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 178#L553 assume main_#t~mem9#1 > 0;havoc main_#t~mem9#1; 163#L554 [2022-11-23 03:19:01,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:19:01,644 INFO L85 PathProgramCache]: Analyzing trace with hash 889571371, now seen corresponding path program 1 times [2022-11-23 03:19:01,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:19:01,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504401194] [2022-11-23 03:19:01,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:19:01,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:19:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:01,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:19:01,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:19:01,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504401194] [2022-11-23 03:19:01,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504401194] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:19:01,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:19:01,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:19:01,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337447005] [2022-11-23 03:19:01,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:19:01,741 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-23 03:19:01,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:19:01,741 INFO L85 PathProgramCache]: Analyzing trace with hash 51012381, now seen corresponding path program 1 times [2022-11-23 03:19:01,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:19:01,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859668847] [2022-11-23 03:19:01,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:19:01,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:19:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:01,755 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:19:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:01,764 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:19:01,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:19:01,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:19:01,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:19:01,940 INFO L87 Difference]: Start difference. First operand 18 states and 27 transitions. cyclomatic complexity: 11 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) [2022-11-23 03:19:01,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:19:01,954 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2022-11-23 03:19:01,954 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 27 transitions. [2022-11-23 03:19:01,955 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-23 03:19:01,955 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 24 transitions. [2022-11-23 03:19:01,955 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-23 03:19:01,956 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-23 03:19:01,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2022-11-23 03:19:01,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 03:19:01,956 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-11-23 03:19:01,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2022-11-23 03:19:01,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-23 03:19:01,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 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) [2022-11-23 03:19:01,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2022-11-23 03:19:01,959 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-11-23 03:19:01,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:19:01,960 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-11-23 03:19:01,960 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-23 03:19:01,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2022-11-23 03:19:01,961 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-23 03:19:01,961 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:19:01,961 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:19:01,962 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-23 03:19:01,962 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-23 03:19:01,962 INFO L748 eck$LassoCheckResult]: Stem: 216#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 217#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem9#1, main_#t~nondet10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~nondet17#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 221#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 220#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 212#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 207#L553 assume main_#t~mem9#1 > 0;havoc main_#t~mem9#1; 208#L554 [2022-11-23 03:19:01,962 INFO L750 eck$LassoCheckResult]: Loop: 208#L554 assume 0 != main_#t~nondet10#1;havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem11#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1;call write~int(main_#t~nondet12#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet12#1; 214#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 218#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 224#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 223#L553 assume main_#t~mem9#1 > 0;havoc main_#t~mem9#1; 208#L554 [2022-11-23 03:19:01,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:19:01,963 INFO L85 PathProgramCache]: Analyzing trace with hash 889569449, now seen corresponding path program 1 times [2022-11-23 03:19:01,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:19:01,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349093243] [2022-11-23 03:19:01,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:19:01,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:19:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:01,979 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:19:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:01,993 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:19:01,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:19:01,994 INFO L85 PathProgramCache]: Analyzing trace with hash 51012381, now seen corresponding path program 2 times [2022-11-23 03:19:01,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:19:01,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765573975] [2022-11-23 03:19:01,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:19:01,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:19:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:02,006 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:19:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:02,015 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:19:02,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:19:02,015 INFO L85 PathProgramCache]: Analyzing trace with hash -364197003, now seen corresponding path program 1 times [2022-11-23 03:19:02,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:19:02,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813613569] [2022-11-23 03:19:02,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:19:02,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:19:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:02,037 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:19:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:02,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:19:02,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:02,659 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 03:19:02,659 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 03:19:02,659 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 03:19:02,659 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 03:19:02,659 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 03:19:02,660 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:02,660 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 03:19:02,660 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 03:19:02,660 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca-2.i_Iteration3_Lasso [2022-11-23 03:19:02,660 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 03:19:02,660 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 03:19:02,664 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:02,666 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:02,669 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:02,671 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:02,675 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:02,677 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:02,680 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:02,984 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:02,987 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:02,990 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:02,992 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:02,995 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:02,997 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:03,000 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:03,003 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:03,007 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:03,009 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:03,012 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:03,014 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:03,017 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:03,020 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:03,364 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 03:19:03,364 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 03:19:03,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:03,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:03,366 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:03,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-23 03:19:03,374 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 [2022-11-23 03:19:03,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:03,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:19:03,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:03,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:03,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:03,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:19:03,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:19:03,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:03,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:03,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:03,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:03,411 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:03,420 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 [2022-11-23 03:19:03,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:03,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:19:03,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:03,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:03,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:03,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:19:03,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:19:03,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-23 03:19:03,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:03,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:03,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:03,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:03,455 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:03,464 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 [2022-11-23 03:19:03,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:03,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:19:03,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:03,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:03,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:03,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:19:03,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:19:03,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-23 03:19:03,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:03,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:03,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:03,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:03,497 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:03,506 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 [2022-11-23 03:19:03,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-23 03:19:03,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:03,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:03,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:03,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:03,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:19:03,521 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:19:03,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:03,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:03,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:03,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:03,549 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:03,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-23 03:19:03,559 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 [2022-11-23 03:19:03,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:03,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:19:03,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:03,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:03,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:03,573 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:19:03,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:19:03,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:03,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:03,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:03,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:03,597 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:03,601 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 [2022-11-23 03:19:03,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-23 03:19:03,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:03,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:03,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:03,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:03,615 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:19:03,615 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:19:03,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:03,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:03,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:03,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:03,645 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:03,650 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 [2022-11-23 03:19:03,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:03,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:03,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:03,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:03,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-23 03:19:03,666 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:19:03,666 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:19:03,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:03,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:03,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:03,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:03,688 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:03,691 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 [2022-11-23 03:19:03,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:03,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:03,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:03,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:03,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-23 03:19:03,713 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:19:03,714 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:19:03,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:03,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:03,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:03,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:03,745 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:03,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:19:03,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:03,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:03,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:03,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:03,764 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:19:03,764 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:19:03,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-23 03:19:03,783 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 03:19:03,794 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-23 03:19:03,794 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-23 03:19:03,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:03,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:03,796 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:03,799 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 03:19:03,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-23 03:19:03,821 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-23 03:19:03,821 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 03:19:03,822 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_2 Supporting invariants [] [2022-11-23 03:19:03,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:03,864 INFO L156 tatePredicateManager]: 9 out of 11 supporting invariants were superfluous and have been removed [2022-11-23 03:19:03,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:19:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:03,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-23 03:19:03,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:19:03,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-11-23 03:19:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:03,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-23 03:19:03,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:19:04,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 22 [2022-11-23 03:19:04,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-23 03:19:04,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:19:04,068 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-11-23 03:19:04,068 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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) [2022-11-23 03:19:04,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:04,211 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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) Result 49 states and 69 transitions. Complement of second has 10 states. [2022-11-23 03:19:04,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-23 03:19:04,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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) [2022-11-23 03:19:04,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2022-11-23 03:19:04,214 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 6 letters. Loop has 5 letters. [2022-11-23 03:19:04,214 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:19:04,214 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 11 letters. Loop has 5 letters. [2022-11-23 03:19:04,214 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:19:04,214 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 6 letters. Loop has 10 letters. [2022-11-23 03:19:04,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:19:04,215 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 69 transitions. [2022-11-23 03:19:04,217 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 21 [2022-11-23 03:19:04,218 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 48 states and 68 transitions. [2022-11-23 03:19:04,218 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2022-11-23 03:19:04,218 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2022-11-23 03:19:04,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 68 transitions. [2022-11-23 03:19:04,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 03:19:04,219 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 68 transitions. [2022-11-23 03:19:04,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 68 transitions. [2022-11-23 03:19:04,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 45. [2022-11-23 03:19:04,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 44 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:19:04,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2022-11-23 03:19:04,223 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 64 transitions. [2022-11-23 03:19:04,223 INFO L428 stractBuchiCegarLoop]: Abstraction has 45 states and 64 transitions. [2022-11-23 03:19:04,223 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-23 03:19:04,223 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 64 transitions. [2022-11-23 03:19:04,224 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 21 [2022-11-23 03:19:04,225 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:19:04,225 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:19:04,225 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:19:04,225 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 1, 1, 1, 1] [2022-11-23 03:19:04,226 INFO L748 eck$LassoCheckResult]: Stem: 389#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 390#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem9#1, main_#t~nondet10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~nondet17#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 402#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 414#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 429#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 418#L553 assume main_#t~mem9#1 > 0;havoc main_#t~mem9#1; 415#L554 assume 0 != main_#t~nondet10#1;havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem11#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1;call write~int(main_#t~nondet12#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet12#1; 416#L561-2 [2022-11-23 03:19:04,226 INFO L750 eck$LassoCheckResult]: Loop: 416#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 424#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 423#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 385#L553 assume !(main_#t~mem9#1 > 0);havoc main_#t~mem9#1; 386#L561 assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1;call main_#t~mem15#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(1 + main_#t~mem15#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem15#1; 417#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 426#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 425#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 420#L553 assume main_#t~mem9#1 > 0;havoc main_#t~mem9#1; 421#L554 assume 0 != main_#t~nondet10#1;havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem11#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1;call write~int(main_#t~nondet12#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet12#1; 416#L561-2 [2022-11-23 03:19:04,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:19:04,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1806849167, now seen corresponding path program 2 times [2022-11-23 03:19:04,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:19:04,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074858794] [2022-11-23 03:19:04,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:19:04,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:19:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:04,246 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:19:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:04,260 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:19:04,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:19:04,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1870690047, now seen corresponding path program 1 times [2022-11-23 03:19:04,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:19:04,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406319990] [2022-11-23 03:19:04,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:19:04,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:19:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:04,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:19:04,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:19:04,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406319990] [2022-11-23 03:19:04,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406319990] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 03:19:04,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290438708] [2022-11-23 03:19:04,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:19:04,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:19:04,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:04,540 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:19:04,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-11-23 03:19:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:04,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-23 03:19:04,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:19:04,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-23 03:19:04,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-23 03:19:04,710 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:19:04,710 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 03:19:04,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:19:04,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290438708] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 03:19:04,768 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 03:19:04,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 9 [2022-11-23 03:19:04,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437767393] [2022-11-23 03:19:04,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 03:19:04,768 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-23 03:19:04,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:19:04,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 03:19:04,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:19:04,769 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. cyclomatic complexity: 24 Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 9 states have internal predecessors, (14), 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) [2022-11-23 03:19:04,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:19:04,887 INFO L93 Difference]: Finished difference Result 67 states and 85 transitions. [2022-11-23 03:19:04,887 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 85 transitions. [2022-11-23 03:19:04,895 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 24 [2022-11-23 03:19:04,898 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 62 states and 80 transitions. [2022-11-23 03:19:04,899 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2022-11-23 03:19:04,900 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2022-11-23 03:19:04,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 80 transitions. [2022-11-23 03:19:04,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 03:19:04,901 INFO L218 hiAutomatonCegarLoop]: Abstraction has 62 states and 80 transitions. [2022-11-23 03:19:04,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 80 transitions. [2022-11-23 03:19:04,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 50. [2022-11-23 03:19:04,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.34) internal successors, (67), 49 states have internal predecessors, (67), 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) [2022-11-23 03:19:04,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 67 transitions. [2022-11-23 03:19:04,908 INFO L240 hiAutomatonCegarLoop]: Abstraction has 50 states and 67 transitions. [2022-11-23 03:19:04,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 03:19:04,910 INFO L428 stractBuchiCegarLoop]: Abstraction has 50 states and 67 transitions. [2022-11-23 03:19:04,911 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-23 03:19:04,911 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 67 transitions. [2022-11-23 03:19:04,912 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 24 [2022-11-23 03:19:04,913 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:19:04,913 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:19:04,913 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:19:04,913 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-23 03:19:04,914 INFO L748 eck$LassoCheckResult]: Stem: 581#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 582#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem9#1, main_#t~nondet10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~nondet17#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 586#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 599#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 597#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 598#L553 assume main_#t~mem9#1 > 0;havoc main_#t~mem9#1; 595#L554 assume 0 != main_#t~nondet10#1;havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem11#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1;call write~int(main_#t~nondet12#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet12#1; 577#L561-2 [2022-11-23 03:19:04,914 INFO L750 eck$LassoCheckResult]: Loop: 577#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 583#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 572#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 573#L553 assume !(main_#t~mem9#1 > 0);havoc main_#t~mem9#1; 576#L561 assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1;call main_#t~mem15#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(1 + main_#t~mem15#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem15#1; 577#L561-2 [2022-11-23 03:19:04,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:19:04,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1806849167, now seen corresponding path program 3 times [2022-11-23 03:19:04,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:19:04,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101882952] [2022-11-23 03:19:04,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:19:04,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:19:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:04,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:19:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:04,954 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:19:04,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:19:04,955 INFO L85 PathProgramCache]: Analyzing trace with hash 35409937, now seen corresponding path program 2 times [2022-11-23 03:19:04,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:19:04,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229171890] [2022-11-23 03:19:04,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:19:04,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:19:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:04,962 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:19:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:04,969 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:19:04,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:19:04,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1594795075, now seen corresponding path program 1 times [2022-11-23 03:19:04,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:19:04,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810417833] [2022-11-23 03:19:04,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:19:04,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:19:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:05,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:19:05,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:19:05,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810417833] [2022-11-23 03:19:05,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810417833] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 03:19:05,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648527436] [2022-11-23 03:19:05,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:19:05,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:19:05,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:05,332 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:19:05,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-11-23 03:19:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:05,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-23 03:19:05,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:19:05,555 INFO L321 Elim1Store]: treesize reduction 17, result has 51.4 percent of original size [2022-11-23 03:19:05,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 63 [2022-11-23 03:19:05,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-23 03:19:05,605 INFO L321 Elim1Store]: treesize reduction 34, result has 34.6 percent of original size [2022-11-23 03:19:05,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 74 [2022-11-23 03:19:05,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-23 03:19:05,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2022-11-23 03:19:05,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-11-23 03:19:05,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2022-11-23 03:19:05,730 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 03:19:05,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-23 03:19:05,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:19:05,920 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 03:19:06,055 WARN L837 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~y~0#1.base| Int) (v_ArrVal_210 (Array Int Int)) (v_ArrVal_206 Int)) (let ((.cse0 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base| (let ((.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base|))) (store .cse1 |c_ULTIMATE.start_main_~x~0#1.offset| (+ (- 1) (select .cse1 |c_ULTIMATE.start_main_~x~0#1.offset|))))) |ULTIMATE.start_main_~y~0#1.base| (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_210) |ULTIMATE.start_main_~y~0#1.base|) |c_ULTIMATE.start_main_~y~0#1.offset| v_ArrVal_206)) |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (< v_ArrVal_206 1) (= .cse0 0) (< 0 .cse0)))) is different from false [2022-11-23 03:19:06,105 WARN L837 $PredicateComparison]: unable to prove that (or (forall ((|ULTIMATE.start_main_~y~0#1.base| Int) (v_ArrVal_210 (Array Int Int)) (v_ArrVal_206 Int)) (let ((.cse0 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base| (let ((.cse1 (select |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base|))) (store .cse1 |c_ULTIMATE.start_main_~x~0#1.offset| (+ (- 1) (select .cse1 |c_ULTIMATE.start_main_~x~0#1.offset|))))) |ULTIMATE.start_main_~y~0#1.base| (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_210) |ULTIMATE.start_main_~y~0#1.base|) |c_ULTIMATE.start_main_~y~0#1.offset| v_ArrVal_206)) |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (< v_ArrVal_206 1) (= .cse0 0) (< 0 .cse0)))) (not (< 0 |c_ULTIMATE.start_main_#t~mem9#1|))) is different from false [2022-11-23 03:19:06,159 INFO L321 Elim1Store]: treesize reduction 32, result has 36.0 percent of original size [2022-11-23 03:19:06,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 139 treesize of output 94 [2022-11-23 03:19:06,201 INFO L321 Elim1Store]: treesize reduction 15, result has 60.5 percent of original size [2022-11-23 03:19:06,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 56 treesize of output 73 [2022-11-23 03:19:06,215 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 03:19:06,215 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 37 [2022-11-23 03:19:06,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 123 [2022-11-23 03:19:06,242 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-23 03:19:06,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 123 treesize of output 99 [2022-11-23 03:19:06,264 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-23 03:19:06,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 118 treesize of output 100 [2022-11-23 03:19:06,286 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-23 03:19:06,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 47 [2022-11-23 03:19:06,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-11-23 03:19:06,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648527436] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 03:19:06,322 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 03:19:06,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2022-11-23 03:19:06,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787447507] [2022-11-23 03:19:06,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 03:19:06,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:19:06,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-23 03:19:06,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=302, Unknown=2, NotChecked=74, Total=462 [2022-11-23 03:19:06,483 INFO L87 Difference]: Start difference. First operand 50 states and 67 transitions. cyclomatic complexity: 22 Second operand has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 22 states have internal predecessors, (31), 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) [2022-11-23 03:19:30,673 WARN L233 SmtUtils]: Spent 24.06s on a formula simplification. DAG size of input: 33 DAG size of output: 15 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 03:19:54,983 WARN L233 SmtUtils]: Spent 24.07s on a formula simplification. DAG size of input: 43 DAG size of output: 17 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 03:19:54,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:19:54,990 INFO L93 Difference]: Finished difference Result 44 states and 56 transitions. [2022-11-23 03:19:54,990 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 56 transitions. [2022-11-23 03:19:54,990 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2022-11-23 03:19:54,991 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 40 states and 50 transitions. [2022-11-23 03:19:54,991 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2022-11-23 03:19:54,991 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2022-11-23 03:19:54,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 50 transitions. [2022-11-23 03:19:54,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 03:19:54,991 INFO L218 hiAutomatonCegarLoop]: Abstraction has 40 states and 50 transitions. [2022-11-23 03:19:54,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 50 transitions. [2022-11-23 03:19:54,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-11-23 03:19:54,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.25) internal successors, (50), 39 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:19:54,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 50 transitions. [2022-11-23 03:19:54,994 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 50 transitions. [2022-11-23 03:19:54,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 03:19:54,995 INFO L428 stractBuchiCegarLoop]: Abstraction has 40 states and 50 transitions. [2022-11-23 03:19:54,996 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-23 03:19:54,996 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 50 transitions. [2022-11-23 03:19:54,996 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2022-11-23 03:19:54,996 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:19:54,997 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:19:54,997 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:19:54,997 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-23 03:19:54,997 INFO L748 eck$LassoCheckResult]: Stem: 777#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 778#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem9#1, main_#t~nondet10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~nondet17#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 785#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 793#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 807#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 794#L553 assume main_#t~mem9#1 > 0;havoc main_#t~mem9#1; 795#L554 assume !(0 != main_#t~nondet10#1);havoc main_#t~nondet10#1;call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem13#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem13#1; 787#L561-2 [2022-11-23 03:19:54,997 INFO L750 eck$LassoCheckResult]: Loop: 787#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 798#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 797#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 796#L553 assume main_#t~mem9#1 > 0;havoc main_#t~mem9#1; 786#L554 assume !(0 != main_#t~nondet10#1);havoc main_#t~nondet10#1;call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem13#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem13#1; 787#L561-2 [2022-11-23 03:19:54,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:19:54,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1806849169, now seen corresponding path program 1 times [2022-11-23 03:19:54,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:19:54,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494254331] [2022-11-23 03:19:54,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:19:54,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:19:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:55,010 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:19:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:55,018 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:19:55,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:19:55,019 INFO L85 PathProgramCache]: Analyzing trace with hash 35409683, now seen corresponding path program 1 times [2022-11-23 03:19:55,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:19:55,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960389723] [2022-11-23 03:19:55,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:19:55,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:19:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:55,025 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:19:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:55,030 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:19:55,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:19:55,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1652053123, now seen corresponding path program 2 times [2022-11-23 03:19:55,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:19:55,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107376990] [2022-11-23 03:19:55,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:19:55,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:19:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:55,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:19:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:55,053 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:19:55,778 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 03:19:55,778 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 03:19:55,778 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 03:19:55,778 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 03:19:55,778 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 03:19:55,778 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:55,778 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 03:19:55,778 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 03:19:55,778 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca-2.i_Iteration6_Lasso [2022-11-23 03:19:55,778 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 03:19:55,778 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 03:19:55,781 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:55,786 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:55,789 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:56,110 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:56,114 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:56,116 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:56,118 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:56,121 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:56,124 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:56,127 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:56,131 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:56,133 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:56,135 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:56,140 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:56,142 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:56,144 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:56,146 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:56,148 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:56,150 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:56,152 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:56,154 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:56,518 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 03:19:56,518 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 03:19:56,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:56,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:56,527 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:56,533 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 [2022-11-23 03:19:56,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:56,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:19:56,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:56,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:56,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:56,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:19:56,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:19:56,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-23 03:19:56,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:56,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:56,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:56,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:56,561 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:56,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:19:56,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-23 03:19:56,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:56,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:56,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:56,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:56,587 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:19:56,587 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:19:56,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:56,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:56,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:56,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:56,604 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:56,612 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 [2022-11-23 03:19:56,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:56,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:56,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:56,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:56,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-23 03:19:56,638 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:19:56,638 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:19:56,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:56,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:56,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:56,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:56,660 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:56,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:19:56,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-23 03:19:56,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:56,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:56,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:56,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:56,689 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:19:56,689 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:19:56,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:56,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:56,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:56,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:56,729 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:56,733 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 [2022-11-23 03:19:56,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:56,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:56,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:56,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:56,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-23 03:19:56,748 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:19:56,748 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:19:56,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:56,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:56,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:56,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:56,769 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:56,773 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 [2022-11-23 03:19:56,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:56,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:56,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:56,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:56,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-23 03:19:56,790 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:19:56,790 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:19:56,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:56,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:56,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:56,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:56,821 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:56,824 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 [2022-11-23 03:19:56,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:56,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:56,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:56,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:56,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-23 03:19:56,840 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:19:56,840 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:19:56,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:56,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:56,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:56,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:56,881 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:56,884 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 [2022-11-23 03:19:56,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:56,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:56,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:56,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:56,899 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:19:56,900 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:19:56,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-23 03:19:56,919 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 03:19:56,929 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-23 03:19:56,929 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-23 03:19:56,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:56,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:56,933 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:56,935 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 03:19:56,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-23 03:19:56,972 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-23 03:19:56,972 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 03:19:56,972 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_3 Supporting invariants [] [2022-11-23 03:19:56,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:57,013 INFO L156 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2022-11-23 03:19:57,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:19:57,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:57,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:19:57,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:19:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:57,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-23 03:19:57,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:19:57,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:19:57,136 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-23 03:19:57,136 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 50 transitions. cyclomatic complexity: 14 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2022-11-23 03:19:57,172 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 50 transitions. cyclomatic complexity: 14. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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 64 states and 78 transitions. Complement of second has 9 states. [2022-11-23 03:19:57,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-23 03:19:57,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2022-11-23 03:19:57,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2022-11-23 03:19:57,176 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 7 letters. Loop has 5 letters. [2022-11-23 03:19:57,177 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:19:57,177 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 12 letters. Loop has 5 letters. [2022-11-23 03:19:57,177 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:19:57,177 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 7 letters. Loop has 10 letters. [2022-11-23 03:19:57,177 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:19:57,178 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 78 transitions. [2022-11-23 03:19:57,178 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2022-11-23 03:19:57,180 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 54 states and 65 transitions. [2022-11-23 03:19:57,181 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2022-11-23 03:19:57,181 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2022-11-23 03:19:57,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 65 transitions. [2022-11-23 03:19:57,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 03:19:57,182 INFO L218 hiAutomatonCegarLoop]: Abstraction has 54 states and 65 transitions. [2022-11-23 03:19:57,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 65 transitions. [2022-11-23 03:19:57,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-11-23 03:19:57,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 53 states have internal predecessors, (65), 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) [2022-11-23 03:19:57,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 65 transitions. [2022-11-23 03:19:57,188 INFO L240 hiAutomatonCegarLoop]: Abstraction has 54 states and 65 transitions. [2022-11-23 03:19:57,188 INFO L428 stractBuchiCegarLoop]: Abstraction has 54 states and 65 transitions. [2022-11-23 03:19:57,188 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-23 03:19:57,188 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states and 65 transitions. [2022-11-23 03:19:57,189 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2022-11-23 03:19:57,189 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:19:57,189 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:19:57,189 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:19:57,189 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-23 03:19:57,190 INFO L748 eck$LassoCheckResult]: Stem: 985#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 986#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem9#1, main_#t~nondet10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~nondet17#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 997#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 1005#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 1016#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1013#L553 assume !(main_#t~mem9#1 > 0);havoc main_#t~mem9#1; 989#L561 assume !(0 != main_#t~nondet14#1);havoc main_#t~nondet14#1;call main_#t~mem16#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem16#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem16#1;call write~int(main_#t~nondet17#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet17#1; 990#L561-2 [2022-11-23 03:19:57,190 INFO L750 eck$LassoCheckResult]: Loop: 990#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 1020#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 1019#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1008#L553 assume !(main_#t~mem9#1 > 0);havoc main_#t~mem9#1; 1007#L561 assume !(0 != main_#t~nondet14#1);havoc main_#t~nondet14#1;call main_#t~mem16#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem16#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem16#1;call write~int(main_#t~nondet17#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet17#1; 990#L561-2 [2022-11-23 03:19:57,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:19:57,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1806849425, now seen corresponding path program 1 times [2022-11-23 03:19:57,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:19:57,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718403213] [2022-11-23 03:19:57,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:19:57,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:19:57,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:57,213 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:19:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:57,236 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:19:57,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:19:57,236 INFO L85 PathProgramCache]: Analyzing trace with hash 35409939, now seen corresponding path program 1 times [2022-11-23 03:19:57,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:19:57,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172768032] [2022-11-23 03:19:57,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:19:57,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:19:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:57,244 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:19:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:57,250 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:19:57,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:19:57,251 INFO L85 PathProgramCache]: Analyzing trace with hash 391181443, now seen corresponding path program 2 times [2022-11-23 03:19:57,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:19:57,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96727838] [2022-11-23 03:19:57,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:19:57,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:19:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:57,265 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:19:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:57,276 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:19:57,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-11-23 03:19:58,094 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 03:19:58,094 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 03:19:58,094 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 03:19:58,094 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 03:19:58,094 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 03:19:58,094 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:58,094 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 03:19:58,094 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 03:19:58,094 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca-2.i_Iteration7_Lasso [2022-11-23 03:19:58,095 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 03:19:58,095 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 03:19:58,098 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:58,100 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:58,103 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:58,106 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:58,108 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:58,110 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:58,112 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:58,114 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:58,116 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:58,120 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:58,122 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:58,129 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:58,131 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:58,133 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:58,467 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:58,475 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:58,478 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:58,480 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:58,482 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:58,486 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:19:58,828 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 03:19:58,828 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 03:19:58,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:58,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:58,836 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:58,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-23 03:19:58,839 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 [2022-11-23 03:19:58,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:58,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:19:58,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:58,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:58,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:58,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:19:58,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:19:58,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:58,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-11-23 03:19:58,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:58,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:58,855 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:58,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-23 03:19:58,859 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 [2022-11-23 03:19:58,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:58,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:58,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:58,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:58,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:19:58,871 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:19:58,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:58,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:58,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:58,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:58,904 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:58,908 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 [2022-11-23 03:19:58,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-23 03:19:58,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:58,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:19:58,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:58,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:58,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:58,921 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:19:58,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:19:58,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:58,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-11-23 03:19:58,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:58,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:58,948 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:58,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-23 03:19:58,953 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 [2022-11-23 03:19:58,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:58,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:19:58,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:58,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:58,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:58,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:19:58,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:19:58,965 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:58,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-11-23 03:19:58,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:58,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:58,969 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:58,971 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 [2022-11-23 03:19:58,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-23 03:19:58,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:58,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:19:58,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:58,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:58,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:58,982 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:19:58,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:19:58,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:58,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:58,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:58,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:58,987 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:58,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-23 03:19:58,990 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 [2022-11-23 03:19:59,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:59,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:19:59,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:59,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:59,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:59,001 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:19:59,001 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:19:59,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:59,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-11-23 03:19:59,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:59,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:59,031 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:59,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-23 03:19:59,033 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 [2022-11-23 03:19:59,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:59,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:59,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:59,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:59,045 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:19:59,045 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:19:59,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:59,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:59,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:59,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:59,053 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:59,056 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 [2022-11-23 03:19:59,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-23 03:19:59,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:59,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:19:59,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:59,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:59,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:59,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:19:59,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:19:59,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:59,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-11-23 03:19:59,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:59,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:59,072 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:59,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-23 03:19:59,075 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 [2022-11-23 03:19:59,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:59,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:19:59,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:59,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:59,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:59,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:19:59,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:19:59,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:59,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-11-23 03:19:59,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:59,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:59,091 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:59,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-23 03:19:59,095 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 [2022-11-23 03:19:59,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:59,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:19:59,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:59,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:59,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:59,106 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:19:59,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:19:59,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:59,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-23 03:19:59,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:59,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:59,111 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:59,120 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 [2022-11-23 03:19:59,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-23 03:19:59,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:59,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:59,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:59,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:59,133 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:19:59,133 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:19:59,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:59,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-23 03:19:59,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:59,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:59,141 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:59,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-23 03:19:59,144 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 [2022-11-23 03:19:59,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:59,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:19:59,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:59,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:59,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:59,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:19:59,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:19:59,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:59,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-11-23 03:19:59,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:59,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:59,163 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:59,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-23 03:19:59,166 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 [2022-11-23 03:19:59,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:59,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:19:59,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:59,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:59,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:59,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:19:59,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:19:59,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:19:59,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:59,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:59,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:59,182 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:59,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-23 03:19:59,185 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 [2022-11-23 03:19:59,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:19:59,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:19:59,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:19:59,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:19:59,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:19:59,198 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:19:59,227 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 03:19:59,234 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-23 03:19:59,234 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-23 03:19:59,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:19:59,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:19:59,235 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:19:59,239 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 03:19:59,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-23 03:19:59,265 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-23 03:19:59,265 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 03:19:59,265 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_4) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_4 Supporting invariants [] [2022-11-23 03:19:59,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:59,306 INFO L156 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2022-11-23 03:19:59,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:19:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:59,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:19:59,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:19:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:59,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-23 03:19:59,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:19:59,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-23 03:19:59,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:19:59,577 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2022-11-23 03:19:59,578 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 54 states and 65 transitions. cyclomatic complexity: 17 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) [2022-11-23 03:19:59,648 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 54 states and 65 transitions. cyclomatic complexity: 17. 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) Result 112 states and 133 transitions. Complement of second has 13 states. [2022-11-23 03:19:59,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2022-11-23 03:19:59,650 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2022-11-23 03:19:59,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 20 transitions. [2022-11-23 03:19:59,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 7 letters. Loop has 5 letters. [2022-11-23 03:19:59,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:19:59,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 12 letters. Loop has 5 letters. [2022-11-23 03:19:59,651 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:19:59,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 7 letters. Loop has 10 letters. [2022-11-23 03:19:59,651 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:19:59,651 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 112 states and 133 transitions. [2022-11-23 03:19:59,652 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2022-11-23 03:19:59,653 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 112 states to 102 states and 122 transitions. [2022-11-23 03:19:59,653 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2022-11-23 03:19:59,654 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2022-11-23 03:19:59,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 102 states and 122 transitions. [2022-11-23 03:19:59,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 03:19:59,654 INFO L218 hiAutomatonCegarLoop]: Abstraction has 102 states and 122 transitions. [2022-11-23 03:19:59,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states and 122 transitions. [2022-11-23 03:19:59,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 60. [2022-11-23 03:19:59,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 60 states have (on average 1.2166666666666666) internal successors, (73), 59 states have internal predecessors, (73), 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) [2022-11-23 03:19:59,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 73 transitions. [2022-11-23 03:19:59,662 INFO L240 hiAutomatonCegarLoop]: Abstraction has 60 states and 73 transitions. [2022-11-23 03:19:59,662 INFO L428 stractBuchiCegarLoop]: Abstraction has 60 states and 73 transitions. [2022-11-23 03:19:59,663 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-23 03:19:59,663 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states and 73 transitions. [2022-11-23 03:19:59,663 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2022-11-23 03:19:59,664 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:19:59,664 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:19:59,664 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1] [2022-11-23 03:19:59,664 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-23 03:19:59,665 INFO L748 eck$LassoCheckResult]: Stem: 1266#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1267#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem9#1, main_#t~nondet10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~nondet17#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 1280#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 1292#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 1293#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1287#L553 assume !(main_#t~mem9#1 > 0);havoc main_#t~mem9#1; 1271#L561 assume !(0 != main_#t~nondet14#1);havoc main_#t~nondet14#1;call main_#t~mem16#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem16#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem16#1;call write~int(main_#t~nondet17#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet17#1; 1272#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 1297#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 1289#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1290#L553 assume !(main_#t~mem9#1 > 0);havoc main_#t~mem9#1; 1299#L561 [2022-11-23 03:19:59,665 INFO L750 eck$LassoCheckResult]: Loop: 1299#L561 assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1;call main_#t~mem15#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(1 + main_#t~mem15#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem15#1; 1275#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 1276#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 1281#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1301#L553 assume !(main_#t~mem9#1 > 0);havoc main_#t~mem9#1; 1299#L561 [2022-11-23 03:19:59,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:19:59,665 INFO L85 PathProgramCache]: Analyzing trace with hash -125928577, now seen corresponding path program 3 times [2022-11-23 03:19:59,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:19:59,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897921351] [2022-11-23 03:19:59,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:19:59,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:19:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:59,678 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:19:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:59,687 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:19:59,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:19:59,688 INFO L85 PathProgramCache]: Analyzing trace with hash 58400557, now seen corresponding path program 3 times [2022-11-23 03:19:59,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:19:59,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951578107] [2022-11-23 03:19:59,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:19:59,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:19:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:59,694 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:19:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:59,699 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:19:59,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:19:59,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1691624047, now seen corresponding path program 1 times [2022-11-23 03:19:59,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:19:59,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152488886] [2022-11-23 03:19:59,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:19:59,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:19:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:59,714 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:19:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:19:59,725 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:20:00,606 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 03:20:00,607 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 03:20:00,607 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 03:20:00,607 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 03:20:00,607 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 03:20:00,607 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:00,607 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 03:20:00,607 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 03:20:00,607 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca-2.i_Iteration8_Lasso [2022-11-23 03:20:00,607 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 03:20:00,607 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 03:20:00,610 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:00,616 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:00,618 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:00,622 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:00,624 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:00,626 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:00,630 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:00,632 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:00,635 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:00,637 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:00,638 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:00,640 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:00,642 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:00,648 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:00,650 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:00,652 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:00,655 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:00,656 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:00,659 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:01,020 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:01,023 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:01,400 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 03:20:01,400 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 03:20:01,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:01,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:01,404 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:01,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-23 03:20:01,407 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 [2022-11-23 03:20:01,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:01,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:20:01,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:01,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:01,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:01,418 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:20:01,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:20:01,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:01,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-23 03:20:01,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:01,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:01,423 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:01,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-23 03:20:01,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:20:01,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:01,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:20:01,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:01,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:01,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:01,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:20:01,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:20:01,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:01,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-23 03:20:01,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:01,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:01,444 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:01,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-23 03:20:01,446 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 [2022-11-23 03:20:01,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:01,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:20:01,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:01,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:01,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:01,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:20:01,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:20:01,484 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:01,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-11-23 03:20:01,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:01,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:01,489 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:01,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-23 03:20:01,496 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 [2022-11-23 03:20:01,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:01,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:01,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:01,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:01,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:20:01,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:20:01,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:01,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-11-23 03:20:01,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:01,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:01,532 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:01,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:20:01,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:01,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:20:01,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:01,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:01,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:01,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:20:01,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:20:01,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-23 03:20:01,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:01,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-11-23 03:20:01,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:01,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:01,585 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:01,591 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 [2022-11-23 03:20:01,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-23 03:20:01,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:01,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:01,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:01,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:01,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:20:01,606 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:20:01,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:01,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-23 03:20:01,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:01,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:01,632 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:01,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:20:01,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-23 03:20:01,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:01,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:20:01,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:01,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:01,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:01,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:20:01,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:20:01,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:01,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-11-23 03:20:01,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:01,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:01,661 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:01,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-23 03:20:01,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:20:01,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:01,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:20:01,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:01,674 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-23 03:20:01,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:01,675 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-23 03:20:01,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:20:01,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:01,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2022-11-23 03:20:01,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:01,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:01,680 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:01,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-23 03:20:01,683 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 [2022-11-23 03:20:01,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:01,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:20:01,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:01,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:01,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:01,693 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:20:01,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:20:01,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:01,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2022-11-23 03:20:01,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:01,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:01,699 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:01,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-23 03:20:01,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:20:01,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:01,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:20:01,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:01,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:01,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:01,712 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:20:01,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:20:01,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:01,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-11-23 03:20:01,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:01,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:01,717 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:01,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-23 03:20:01,720 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 [2022-11-23 03:20:01,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:01,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:20:01,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:01,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:01,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:01,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:20:01,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:20:01,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:01,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2022-11-23 03:20:01,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:01,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:01,736 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:01,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-23 03:20:01,739 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 [2022-11-23 03:20:01,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:01,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:20:01,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:01,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:01,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:01,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:20:01,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:20:01,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:01,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-11-23 03:20:01,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:01,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:01,755 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:01,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-23 03:20:01,761 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 [2022-11-23 03:20:01,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:01,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:01,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:01,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:01,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:20:01,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:20:01,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:01,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-11-23 03:20:01,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:01,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:01,779 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:01,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-23 03:20:01,782 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 [2022-11-23 03:20:01,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:01,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:20:01,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:01,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:01,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:01,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:20:01,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:20:01,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:01,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2022-11-23 03:20:01,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:01,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:01,798 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:01,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-23 03:20:01,803 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 [2022-11-23 03:20:01,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:01,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:20:01,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:01,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:01,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:01,814 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:20:01,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:20:01,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:01,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2022-11-23 03:20:01,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:01,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:01,819 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:01,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-23 03:20:01,824 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 [2022-11-23 03:20:01,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:01,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:01,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:01,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:01,836 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:20:01,836 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:20:01,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:01,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-11-23 03:20:01,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:01,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:01,844 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:01,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-23 03:20:01,846 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 [2022-11-23 03:20:01,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:01,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:20:01,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:01,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:01,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:01,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:20:01,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:20:01,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:01,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-11-23 03:20:01,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:01,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:01,862 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:01,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-23 03:20:01,864 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 [2022-11-23 03:20:01,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:01,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:20:01,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:01,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:01,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:01,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:20:01,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:20:01,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:01,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2022-11-23 03:20:01,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:01,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:01,879 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:01,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-11-23 03:20:01,882 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 [2022-11-23 03:20:01,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:01,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:01,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:01,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:01,894 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:20:01,894 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:20:01,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:01,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2022-11-23 03:20:01,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:01,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:01,904 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:01,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-11-23 03:20:01,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:20:01,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:01,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:01,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:01,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:01,918 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:20:01,918 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:20:01,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:01,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2022-11-23 03:20:01,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:01,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:01,960 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:01,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:20:01,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:01,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:01,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:01,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:01,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-11-23 03:20:01,984 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:20:01,984 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:20:02,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:02,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2022-11-23 03:20:02,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:02,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:02,011 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:02,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-11-23 03:20:02,014 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 [2022-11-23 03:20:02,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:02,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:02,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:02,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:02,026 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:20:02,027 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:20:02,033 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 03:20:02,040 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-23 03:20:02,040 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 4 variables to zero. [2022-11-23 03:20:02,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:02,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:02,041 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:02,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-11-23 03:20:02,043 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 03:20:02,054 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-23 03:20:02,054 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 03:20:02,054 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_5) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_5 Supporting invariants [] [2022-11-23 03:20:02,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2022-11-23 03:20:02,099 INFO L156 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2022-11-23 03:20:02,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:20:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:02,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:20:02,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:20:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:02,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 03:20:02,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:20:02,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-23 03:20:02,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:20:02,220 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-23 03:20:02,220 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 60 states and 73 transitions. cyclomatic complexity: 20 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-11-23 03:20:02,270 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 60 states and 73 transitions. cyclomatic complexity: 20. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 101 states and 120 transitions. Complement of second has 7 states. [2022-11-23 03:20:02,271 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 [2022-11-23 03:20:02,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-11-23 03:20:02,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2022-11-23 03:20:02,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 5 letters. [2022-11-23 03:20:02,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:20:02,278 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-23 03:20:02,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:20:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:02,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:20:02,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:20:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:02,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 03:20:02,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:20:02,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-23 03:20:02,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:20:02,409 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-23 03:20:02,409 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 60 states and 73 transitions. cyclomatic complexity: 20 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-11-23 03:20:02,450 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 60 states and 73 transitions. cyclomatic complexity: 20. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 101 states and 120 transitions. Complement of second has 7 states. [2022-11-23 03:20:02,451 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 [2022-11-23 03:20:02,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-11-23 03:20:02,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2022-11-23 03:20:02,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 5 letters. [2022-11-23 03:20:02,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:20:02,452 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-23 03:20:02,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:20:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:02,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:20:02,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:20:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:02,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 03:20:02,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:20:02,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2022-11-23 03:20:02,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:20:02,574 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-23 03:20:02,575 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 60 states and 73 transitions. cyclomatic complexity: 20 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-11-23 03:20:02,624 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 60 states and 73 transitions. cyclomatic complexity: 20. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 83 states and 97 transitions. Complement of second has 6 states. [2022-11-23 03:20:02,625 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 [2022-11-23 03:20:02,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-11-23 03:20:02,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2022-11-23 03:20:02,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 11 letters. Loop has 5 letters. [2022-11-23 03:20:02,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:20:02,629 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 5 letters. [2022-11-23 03:20:02,629 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:20:02,629 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 11 letters. Loop has 10 letters. [2022-11-23 03:20:02,629 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:20:02,631 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 97 transitions. [2022-11-23 03:20:02,632 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-23 03:20:02,632 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 62 states and 74 transitions. [2022-11-23 03:20:02,634 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-23 03:20:02,634 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-23 03:20:02,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 74 transitions. [2022-11-23 03:20:02,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 03:20:02,635 INFO L218 hiAutomatonCegarLoop]: Abstraction has 62 states and 74 transitions. [2022-11-23 03:20:02,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 74 transitions. [2022-11-23 03:20:02,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 55. [2022-11-23 03:20:02,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.2) internal successors, (66), 54 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:20:02,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 66 transitions. [2022-11-23 03:20:02,642 INFO L240 hiAutomatonCegarLoop]: Abstraction has 55 states and 66 transitions. [2022-11-23 03:20:02,645 INFO L428 stractBuchiCegarLoop]: Abstraction has 55 states and 66 transitions. [2022-11-23 03:20:02,645 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-23 03:20:02,645 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 55 states and 66 transitions. [2022-11-23 03:20:02,646 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-23 03:20:02,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:20:02,646 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:20:02,646 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 2, 1, 1, 1] [2022-11-23 03:20:02,647 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-23 03:20:02,647 INFO L748 eck$LassoCheckResult]: Stem: 1846#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1847#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem9#1, main_#t~nondet10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~nondet17#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;call write~int(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 1852#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 1860#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 1859#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1858#L553 assume main_#t~mem9#1 > 0;havoc main_#t~mem9#1; 1837#L554 assume !(0 != main_#t~nondet10#1);havoc main_#t~nondet10#1;call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem13#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem13#1; 1856#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 1882#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 1879#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1876#L553 assume main_#t~mem9#1 > 0;havoc main_#t~mem9#1; 1872#L554 assume 0 != main_#t~nondet10#1;havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem11#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1;call write~int(main_#t~nondet12#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet12#1; 1863#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 1871#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 1869#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1867#L553 assume main_#t~mem9#1 > 0;havoc main_#t~mem9#1; 1862#L554 assume !(0 != main_#t~nondet10#1);havoc main_#t~nondet10#1;call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem13#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem13#1; 1848#L561-2 [2022-11-23 03:20:02,647 INFO L750 eck$LassoCheckResult]: Loop: 1848#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 1849#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 1868#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1866#L553 assume main_#t~mem9#1 > 0;havoc main_#t~mem9#1; 1865#L554 assume !(0 != main_#t~nondet10#1);havoc main_#t~nondet10#1;call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem13#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem13#1; 1848#L561-2 [2022-11-23 03:20:02,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:20:02,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1675310445, now seen corresponding path program 1 times [2022-11-23 03:20:02,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:20:02,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718800582] [2022-11-23 03:20:02,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:20:02,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:20:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:20:02,667 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:20:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:20:02,693 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:20:02,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:20:02,695 INFO L85 PathProgramCache]: Analyzing trace with hash 35409683, now seen corresponding path program 2 times [2022-11-23 03:20:02,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:20:02,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860686128] [2022-11-23 03:20:02,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:20:02,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:20:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:20:02,714 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:20:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:20:02,718 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:20:02,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:20:02,731 INFO L85 PathProgramCache]: Analyzing trace with hash 143216577, now seen corresponding path program 2 times [2022-11-23 03:20:02,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:20:02,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038570500] [2022-11-23 03:20:02,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:20:02,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:20:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:20:02,752 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:20:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:20:02,771 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:20:03,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2022-11-23 03:20:04,113 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 03:20:04,113 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 03:20:04,113 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 03:20:04,113 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 03:20:04,114 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 03:20:04,114 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:04,114 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 03:20:04,114 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 03:20:04,114 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca-2.i_Iteration9_Lasso [2022-11-23 03:20:04,114 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 03:20:04,114 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 03:20:04,117 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:04,119 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:04,121 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:04,124 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:04,127 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:04,130 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:04,132 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:04,136 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:04,475 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:04,479 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:04,481 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:04,483 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:04,485 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:04,486 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:04,488 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:04,490 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:04,493 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:04,494 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:04,496 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:04,498 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:04,500 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:04,502 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:04,503 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 03:20:04,837 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 03:20:04,837 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 03:20:04,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:04,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:04,838 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:04,852 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 [2022-11-23 03:20:04,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-11-23 03:20:04,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:04,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:04,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:04,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:04,863 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:20:04,864 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:20:04,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:04,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2022-11-23 03:20:04,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:04,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:04,871 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:04,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-11-23 03:20:04,873 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 [2022-11-23 03:20:04,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:04,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:20:04,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:04,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:04,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:04,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:20:04,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:20:04,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:04,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2022-11-23 03:20:04,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:04,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:04,915 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:04,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-11-23 03:20:04,918 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 [2022-11-23 03:20:04,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:04,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:20:04,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:04,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:04,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:04,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:20:04,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:20:04,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:04,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2022-11-23 03:20:04,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:04,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:04,938 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:04,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2022-11-23 03:20:04,942 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 [2022-11-23 03:20:04,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:04,953 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-23 03:20:04,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:04,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:04,955 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-23 03:20:04,955 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:20:04,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:04,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2022-11-23 03:20:04,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:04,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:04,972 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:04,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2022-11-23 03:20:04,974 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 [2022-11-23 03:20:04,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:04,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:04,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:04,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:04,985 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:20:04,985 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:20:04,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:04,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2022-11-23 03:20:04,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:04,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:04,992 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:04,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2022-11-23 03:20:04,994 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 [2022-11-23 03:20:05,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:05,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:05,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:05,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:05,005 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:20:05,005 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:20:05,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:05,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2022-11-23 03:20:05,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:05,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:05,013 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:05,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2022-11-23 03:20:05,015 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 [2022-11-23 03:20:05,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:05,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 03:20:05,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:05,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:05,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:05,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 03:20:05,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 03:20:05,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:05,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2022-11-23 03:20:05,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:05,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:05,031 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:05,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2022-11-23 03:20:05,033 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 [2022-11-23 03:20:05,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:05,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:05,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:05,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:05,045 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:20:05,045 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:20:05,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:05,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2022-11-23 03:20:05,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:05,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:05,057 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:05,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2022-11-23 03:20:05,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 03:20:05,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:05,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:05,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:05,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:05,072 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:20:05,072 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:20:05,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:05,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2022-11-23 03:20:05,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:05,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:05,101 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:05,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2022-11-23 03:20:05,104 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 [2022-11-23 03:20:05,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:05,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:05,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:05,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:05,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:20:05,121 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:20:05,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:05,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2022-11-23 03:20:05,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:05,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:05,136 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:05,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2022-11-23 03:20:05,138 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 [2022-11-23 03:20:05,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:05,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:05,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:05,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:05,154 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:20:05,155 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:20:05,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:05,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2022-11-23 03:20:05,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:05,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:05,185 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:05,197 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 [2022-11-23 03:20:05,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:05,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:05,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:05,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:05,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2022-11-23 03:20:05,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:20:05,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:20:05,213 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:05,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2022-11-23 03:20:05,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:05,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:05,217 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:05,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2022-11-23 03:20:05,219 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 [2022-11-23 03:20:05,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:05,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:05,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:05,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:05,233 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:20:05,233 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:20:05,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:05,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2022-11-23 03:20:05,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:05,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:05,243 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:05,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2022-11-23 03:20:05,245 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 [2022-11-23 03:20:05,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:05,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:05,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:05,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:05,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:20:05,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:20:05,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 03:20:05,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2022-11-23 03:20:05,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:05,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:05,275 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:05,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2022-11-23 03:20:05,278 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 [2022-11-23 03:20:05,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 03:20:05,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 03:20:05,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 03:20:05,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 03:20:05,290 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 03:20:05,290 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 03:20:05,315 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 03:20:05,322 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-23 03:20:05,322 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-23 03:20:05,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:05,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:05,323 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:05,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2022-11-23 03:20:05,325 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 03:20:05,336 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-23 03:20:05,336 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 03:20:05,336 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_6) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_6 Supporting invariants [] [2022-11-23 03:20:05,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2022-11-23 03:20:05,371 INFO L156 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2022-11-23 03:20:05,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:20:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:05,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:20:05,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:20:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:05,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-23 03:20:05,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:20:05,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:20:05,511 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-23 03:20:05,511 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 55 states and 66 transitions. cyclomatic complexity: 17 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2022-11-23 03:20:05,541 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 55 states and 66 transitions. cyclomatic complexity: 17. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 63 states and 74 transitions. Complement of second has 9 states. [2022-11-23 03:20:05,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-23 03:20:05,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2022-11-23 03:20:05,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2022-11-23 03:20:05,543 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 17 letters. Loop has 5 letters. [2022-11-23 03:20:05,543 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:20:05,543 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-23 03:20:05,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:20:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:05,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:20:05,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:20:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:05,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-23 03:20:05,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:20:05,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:20:05,679 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-23 03:20:05,679 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 55 states and 66 transitions. cyclomatic complexity: 17 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2022-11-23 03:20:05,706 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 55 states and 66 transitions. cyclomatic complexity: 17. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 63 states and 74 transitions. Complement of second has 9 states. [2022-11-23 03:20:05,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-23 03:20:05,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2022-11-23 03:20:05,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2022-11-23 03:20:05,707 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 17 letters. Loop has 5 letters. [2022-11-23 03:20:05,707 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:20:05,707 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-23 03:20:05,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:20:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:05,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:20:05,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:20:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:05,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-23 03:20:05,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:20:05,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:20:05,843 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-23 03:20:05,843 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 55 states and 66 transitions. cyclomatic complexity: 17 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2022-11-23 03:20:05,880 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 55 states and 66 transitions. cyclomatic complexity: 17. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 72 states and 84 transitions. Complement of second has 8 states. [2022-11-23 03:20:05,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-23 03:20:05,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2022-11-23 03:20:05,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2022-11-23 03:20:05,882 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 17 letters. Loop has 5 letters. [2022-11-23 03:20:05,884 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:20:05,884 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 22 letters. Loop has 5 letters. [2022-11-23 03:20:05,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:20:05,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 17 letters. Loop has 10 letters. [2022-11-23 03:20:05,887 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 03:20:05,887 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 84 transitions. [2022-11-23 03:20:05,889 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-23 03:20:05,889 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 0 states and 0 transitions. [2022-11-23 03:20:05,889 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-23 03:20:05,889 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-23 03:20:05,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-23 03:20:05,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:20:05,890 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 03:20:05,890 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 03:20:05,890 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 03:20:05,890 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-23 03:20:05,890 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-23 03:20:05,890 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-23 03:20:05,891 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-23 03:20:05,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 03:20:05 BoogieIcfgContainer [2022-11-23 03:20:05,898 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-23 03:20:05,899 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 03:20:05,899 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 03:20:05,899 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 03:20:05,900 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:18:58" (3/4) ... [2022-11-23 03:20:05,902 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 03:20:05,903 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 03:20:05,904 INFO L158 Benchmark]: Toolchain (without parser) took 68462.94ms. Allocated memory was 192.9MB in the beginning and 237.0MB in the end (delta: 44.0MB). Free memory was 157.6MB in the beginning and 142.0MB in the end (delta: 15.6MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2022-11-23 03:20:05,904 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 138.4MB. Free memory was 81.5MB in the beginning and 81.3MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:20:05,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 456.82ms. Allocated memory is still 192.9MB. Free memory was 157.6MB in the beginning and 141.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 03:20:05,905 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.24ms. Allocated memory is still 192.9MB. Free memory was 141.9MB in the beginning and 139.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:20:05,905 INFO L158 Benchmark]: Boogie Preprocessor took 23.67ms. Allocated memory is still 192.9MB. Free memory was 139.8MB in the beginning and 138.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:20:05,910 INFO L158 Benchmark]: RCFGBuilder took 425.09ms. Allocated memory is still 192.9MB. Free memory was 138.8MB in the beginning and 126.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 03:20:05,910 INFO L158 Benchmark]: BuchiAutomizer took 67510.00ms. Allocated memory was 192.9MB in the beginning and 237.0MB in the end (delta: 44.0MB). Free memory was 126.6MB in the beginning and 142.0MB in the end (delta: -15.5MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2022-11-23 03:20:05,911 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 237.0MB. Free memory is still 142.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:20:05,912 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 138.4MB. Free memory was 81.5MB in the beginning and 81.3MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 456.82ms. Allocated memory is still 192.9MB. Free memory was 157.6MB in the beginning and 141.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.24ms. Allocated memory is still 192.9MB. Free memory was 141.9MB in the beginning and 139.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.67ms. Allocated memory is still 192.9MB. Free memory was 139.8MB in the beginning and 138.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 425.09ms. Allocated memory is still 192.9MB. Free memory was 138.8MB in the beginning and 126.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 67510.00ms. Allocated memory was 192.9MB in the beginning and 237.0MB in the end (delta: 44.0MB). Free memory was 126.6MB in the beginning and 142.0MB in the end (delta: -15.5MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 237.0MB. Free memory is still 142.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (3 trivial, 4 deterministic, 2 nondeterministic). One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[x][x] and consists of 8 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[x][x] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 5 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 7 locations. One nondeterministic module has affine ranking function -1 * unknown-#memory_int-unknown[x][x] and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 22 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 67.4s and 10 iterations. TraceHistogramMax:3. Analysis of lassos took 16.3s. Construction of modules took 0.4s. Büchi inclusion checks took 50.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 8. Automata minimization 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 67 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [4, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 191 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 182 mSDsluCounter, 165 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 24 IncrementalHoareTripleChecker+Unchecked, 50 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 410 IncrementalHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 115 mSDtfsCounter, 410 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso6 LassoPreprocessingBenchmarks: Lassos: inital285 mio100 ax107 hnf100 lsp89 ukn54 mio100 lsp37 div100 bol100 ite100 ukn100 eq186 hnf88 smp98 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-23 03:20:05,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2022-11-23 03:20:06,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2022-11-23 03:20:06,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2022-11-23 03:20:06,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b829c52-59e8-4700-bb6d-00e1b55b993b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE