./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/sep.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/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_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/sep.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/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 32bit --witnessprinter.graph.data.programhash 54d2da4a9e5a645ffa7361038eff25cc32e29a265e0324de9bda9a6d773becac --- 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 02:18:46,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:18:46,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:18:46,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:18:46,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:18:46,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:18:46,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:18:46,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:18:46,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:18:46,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:18:46,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:18:46,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:18:46,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:18:46,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:18:46,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:18:46,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:18:46,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:18:46,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:18:46,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:18:46,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:18:46,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:18:46,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:18:46,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:18:46,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:18:46,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:18:46,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:18:46,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:18:46,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:18:46,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:18:46,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:18:46,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:18:46,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:18:46,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:18:46,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:18:46,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:18:46,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:18:46,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:18:46,510 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:18:46,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:18:46,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:18:46,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:18:46,512 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-23 02:18:46,537 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:18:46,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:18:46,537 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:18:46,538 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:18:46,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:18:46,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:18:46,539 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:18:46,539 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-23 02:18:46,539 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-23 02:18:46,540 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-23 02:18:46,540 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-23 02:18:46,540 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-23 02:18:46,540 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-23 02:18:46,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:18:46,541 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 02:18:46,541 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 02:18:46,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:18:46,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 02:18:46,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:18:46,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-23 02:18:46,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-23 02:18:46,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-23 02:18:46,542 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 02:18:46,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:18:46,542 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-23 02:18:46,542 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:18:46,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-23 02:18:46,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:18:46,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:18:46,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:18:46,543 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:18:46,544 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-23 02:18:46,544 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_6b191b23-086b-4578-83e3-b5561b47284b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54d2da4a9e5a645ffa7361038eff25cc32e29a265e0324de9bda9a6d773becac [2022-11-23 02:18:46,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:18:46,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:18:46,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:18:46,856 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:18:46,856 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:18:46,858 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/reducercommutativity/sep.i [2022-11-23 02:18:49,854 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:18:50,126 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:18:50,126 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/sv-benchmarks/c/reducercommutativity/sep.i [2022-11-23 02:18:50,133 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/data/e55495a5d/a07ab5122f124acf94cd690e6e9835af/FLAG6c53c840f [2022-11-23 02:18:50,152 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/data/e55495a5d/a07ab5122f124acf94cd690e6e9835af [2022-11-23 02:18:50,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:18:50,159 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:18:50,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:18:50,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:18:50,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:18:50,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:18:50" (1/1) ... [2022-11-23 02:18:50,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74f04847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:50, skipping insertion in model container [2022-11-23 02:18:50,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:18:50" (1/1) ... [2022-11-23 02:18:50,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:18:50,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:18:50,435 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/sv-benchmarks/c/reducercommutativity/sep.i[1298,1311] [2022-11-23 02:18:50,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:18:50,450 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:18:50,471 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/sv-benchmarks/c/reducercommutativity/sep.i[1298,1311] [2022-11-23 02:18:50,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:18:50,486 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:18:50,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:50 WrapperNode [2022-11-23 02:18:50,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:18:50,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:18:50,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:18:50,488 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:18:50,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:50" (1/1) ... [2022-11-23 02:18:50,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:50" (1/1) ... [2022-11-23 02:18:50,534 INFO L138 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 127 [2022-11-23 02:18:50,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:18:50,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:18:50,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:18:50,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:18:50,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:50" (1/1) ... [2022-11-23 02:18:50,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:50" (1/1) ... [2022-11-23 02:18:50,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:50" (1/1) ... [2022-11-23 02:18:50,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:50" (1/1) ... [2022-11-23 02:18:50,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:50" (1/1) ... [2022-11-23 02:18:50,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:50" (1/1) ... [2022-11-23 02:18:50,579 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:50" (1/1) ... [2022-11-23 02:18:50,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:50" (1/1) ... [2022-11-23 02:18:50,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:18:50,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:18:50,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:18:50,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:18:50,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:50" (1/1) ... [2022-11-23 02:18:50,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:18:50,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:18:50,630 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:18:50,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-23 02:18:50,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 02:18:50,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 02:18:50,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 02:18:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 02:18:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:18:50,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:18:50,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 02:18:50,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 02:18:50,755 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:18:50,757 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:18:50,961 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:18:50,992 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:18:50,992 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-23 02:18:50,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:18:50 BoogieIcfgContainer [2022-11-23 02:18:50,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:18:50,996 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-23 02:18:50,996 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-23 02:18:51,000 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-23 02:18:51,001 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 02:18:51,001 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:18:50" (1/3) ... [2022-11-23 02:18:51,003 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fa43a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:18:51, skipping insertion in model container [2022-11-23 02:18:51,003 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 02:18:51,003 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:18:50" (2/3) ... [2022-11-23 02:18:51,004 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5fa43a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:18:51, skipping insertion in model container [2022-11-23 02:18:51,004 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 02:18:51,004 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:18:50" (3/3) ... [2022-11-23 02:18:51,006 INFO L332 chiAutomizerObserver]: Analyzing ICFG sep.i [2022-11-23 02:18:51,114 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-23 02:18:51,115 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-23 02:18:51,115 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-23 02:18:51,115 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-23 02:18:51,115 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-23 02:18:51,115 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-23 02:18:51,116 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-23 02:18:51,116 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-23 02:18:51,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.5) internal successors, (39), 26 states have internal predecessors, (39), 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 02:18:51,139 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2022-11-23 02:18:51,140 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:18:51,140 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:18:51,145 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-23 02:18:51,145 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-23 02:18:51,146 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-23 02:18:51,146 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.5) internal successors, (39), 26 states have internal predecessors, (39), 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 02:18:51,148 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2022-11-23 02:18:51,148 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:18:51,149 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:18:51,149 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-23 02:18:51,149 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-23 02:18:51,157 INFO L748 eck$LassoCheckResult]: Stem: 16#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int(115, 2, 0, 1);call write~init~int(101, 2, 1, 1);call write~init~int(112, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 20#L34true assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 22#L20-3true [2022-11-23 02:18:51,157 INFO L750 eck$LassoCheckResult]: Loop: 22#L20-3true assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 14#L22true assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 15#L20-2true sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 22#L20-3true [2022-11-23 02:18:51,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:18:51,163 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-11-23 02:18:51,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:18:51,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380480943] [2022-11-23 02:18:51,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:18:51,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:18:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:18:51,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:18:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:18:51,370 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:18:51,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:18:51,375 INFO L85 PathProgramCache]: Analyzing trace with hash 42800, now seen corresponding path program 1 times [2022-11-23 02:18:51,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:18:51,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724120659] [2022-11-23 02:18:51,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:18:51,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:18:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:18:51,418 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:18:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:18:51,446 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:18:51,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:18:51,459 INFO L85 PathProgramCache]: Analyzing trace with hash 889512687, now seen corresponding path program 1 times [2022-11-23 02:18:51,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:18:51,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555238612] [2022-11-23 02:18:51,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:18:51,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:18:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:18:51,484 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:18:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:18:51,515 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:18:52,227 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 02:18:52,228 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 02:18:52,228 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 02:18:52,229 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 02:18:52,229 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 02:18:52,230 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:18:52,230 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 02:18:52,231 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 02:18:52,231 INFO L133 ssoRankerPreferences]: Filename of dumped script: sep.i_Iteration1_Lasso [2022-11-23 02:18:52,231 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 02:18:52,231 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 02:18:52,253 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 02:18:52,265 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 02:18:52,269 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 02:18:52,271 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 02:18:52,275 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 02:18:52,279 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 02:18:52,784 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 02:18:52,788 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 02:18:52,790 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 02:18:52,793 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 02:18:52,797 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 02:18:52,800 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 02:18:52,803 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 02:18:52,805 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 02:18:52,810 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 02:18:52,813 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 02:18:52,816 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 02:18:52,819 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 02:18:52,822 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 02:18:52,825 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 02:18:52,828 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 02:18:52,831 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 02:18:52,834 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 02:18:52,836 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 02:18:53,321 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 02:18:53,325 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 02:18:53,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:18:53,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:18:53,335 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:18:53,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:18:53,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-23 02:18:53,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:18:53,356 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:18:53,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:18:53,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:18:53,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:18:53,360 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:18:53,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:18:53,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:18:53,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-23 02:18:53,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:18:53,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:18:53,383 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:18:53,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-23 02:18:53,387 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:18:53,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:18:53,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:18:53,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:18:53,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:18:53,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:18:53,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:18:53,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:18:53,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:18:53,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-11-23 02:18:53,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:18:53,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:18:53,421 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:18:53,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-23 02:18:53,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:18:53,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:18:53,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:18:53,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:18:53,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:18:53,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:18:53,451 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:18:53,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:18:53,470 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:18:53,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-23 02:18:53,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:18:53,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:18:53,480 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:18:53,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-23 02:18:53,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:18:53,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:18:53,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:18:53,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:18:53,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:18:53,507 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:18:53,507 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:18:53,522 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:18:53,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-23 02:18:53,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:18:53,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:18:53,535 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:18:53,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:18:53,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:18:53,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:18:53,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:18:53,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:18:53,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:18:53,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:18:53,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:18:53,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-23 02:18:53,578 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:18:53,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-23 02:18:53,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:18:53,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:18:53,589 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:18:53,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:18:53,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:18:53,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:18:53,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:18:53,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:18:53,620 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:18:53,620 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:18:53,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-23 02:18:53,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:18:53,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-23 02:18:53,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:18:53,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:18:53,642 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:18:53,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-23 02:18:53,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:18:53,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:18:53,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:18:53,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:18:53,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:18:53,673 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:18:53,673 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:18:53,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:18:53,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-23 02:18:53,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:18:53,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:18:53,697 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:18:53,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:18:53,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:18:53,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:18:53,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:18:53,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:18:53,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:18:53,723 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:18:53,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-23 02:18:53,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:18:53,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-23 02:18:53,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:18:53,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:18:53,748 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:18:53,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:18:53,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:18:53,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:18:53,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:18:53,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:18:53,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:18:53,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:18:53,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-23 02:18:53,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:18:53,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-23 02:18:53,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:18:53,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:18:53,798 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:18:53,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:18:53,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:18:53,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:18:53,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:18:53,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:18:53,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-23 02:18:53,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:18:53,838 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:18:53,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:18:53,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-23 02:18:53,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:18:53,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:18:53,864 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:18:53,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-23 02:18:53,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:18:53,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:18:53,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:18:53,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:18:53,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:18:53,887 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:18:53,887 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:18:53,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:18:53,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-23 02:18:53,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:18:53,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:18:53,908 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:18:53,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:18:53,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:18:53,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:18:53,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:18:53,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:18:53,934 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:18:53,934 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:18:53,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-23 02:18:53,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:18:53,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-23 02:18:53,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:18:53,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:18:53,949 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:18:53,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-23 02:18:53,953 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 02:18:53,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:18:53,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:18:53,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:18:53,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:18:53,967 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:18:53,967 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:18:53,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:18:53,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-23 02:18:53,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:18:53,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:18:53,989 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:18:53,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-23 02:18:53,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:18:54,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:18:54,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:18:54,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:18:54,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:18:54,014 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:18:54,014 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:18:54,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:18:54,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-23 02:18:54,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:18:54,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:18:54,035 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:18:54,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-23 02:18:54,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:18:54,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:18:54,052 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:18:54,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:18:54,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:18:54,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:18:54,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:18:54,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:18:54,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:18:54,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-23 02:18:54,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:18:54,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:18:54,079 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:18:54,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:18:54,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:18:54,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:18:54,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:18:54,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:18:54,105 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:18:54,105 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:18:54,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-23 02:18:54,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:18:54,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-23 02:18:54,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:18:54,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:18:54,134 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:18:54,138 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 02:18:54,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:18:54,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:18:54,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:18:54,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:18:54,154 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:18:54,154 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:18:54,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-23 02:18:54,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:18:54,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-23 02:18:54,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:18:54,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:18:54,180 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:18:54,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:18:54,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:18:54,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:18:54,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:18:54,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:18:54,203 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:18:54,203 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:18:54,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-23 02:18:54,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:18:54,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-23 02:18:54,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:18:54,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:18:54,224 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:18:54,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:18:54,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:18:54,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:18:54,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:18:54,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:18:54,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-23 02:18:54,253 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:18:54,253 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:18:54,274 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 02:18:54,345 INFO L443 ModelExtractionUtils]: Simplification made 23 calls to the SMT solver. [2022-11-23 02:18:54,345 INFO L444 ModelExtractionUtils]: 7 out of 25 variables were initially zero. Simplification set additionally 15 variables to zero. [2022-11-23 02:18:54,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:18:54,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:18:54,379 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:18:54,386 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 02:18:54,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-23 02:18:54,423 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-23 02:18:54,423 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 02:18:54,424 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, ULTIMATE.start_sep_~i~0#1) = 1*~N~0 - 1*ULTIMATE.start_sep_~i~0#1 Supporting invariants [] [2022-11-23 02:18:54,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-23 02:18:54,465 INFO L156 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2022-11-23 02:18:54,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:18:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:54,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 02:18:54,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:18:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:54,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 02:18:54,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:18:54,544 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 02:18:54,577 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-23 02:18:54,579 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 27 states, 26 states have (on average 1.5) internal successors, (39), 26 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 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 02:18:54,623 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 27 states, 26 states have (on average 1.5) internal successors, (39), 26 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 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) Result 57 states and 81 transitions. Complement of second has 8 states. [2022-11-23 02:18:54,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-23 02:18:54,632 INFO L82 GeneralOperation]: Start removeUnreachable. 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 02:18:54,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2022-11-23 02:18:54,634 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 3 letters. Loop has 3 letters. [2022-11-23 02:18:54,634 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 02:18:54,635 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 6 letters. Loop has 3 letters. [2022-11-23 02:18:54,635 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 02:18:54,635 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 3 letters. Loop has 6 letters. [2022-11-23 02:18:54,635 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 02:18:54,636 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 81 transitions. [2022-11-23 02:18:54,639 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-11-23 02:18:54,643 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 20 states and 29 transitions. [2022-11-23 02:18:54,644 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-23 02:18:54,644 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-23 02:18:54,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 29 transitions. [2022-11-23 02:18:54,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:18:54,645 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 29 transitions. [2022-11-23 02:18:54,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 29 transitions. [2022-11-23 02:18:54,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-11-23 02:18:54,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 states have internal predecessors, (29), 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 02:18:54,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2022-11-23 02:18:54,671 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 29 transitions. [2022-11-23 02:18:54,671 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2022-11-23 02:18:54,671 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-23 02:18:54,671 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2022-11-23 02:18:54,672 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-11-23 02:18:54,672 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:18:54,672 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:18:54,672 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-23 02:18:54,672 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-23 02:18:54,673 INFO L748 eck$LassoCheckResult]: Stem: 173#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int(115, 2, 0, 1);call write~init~int(101, 2, 1, 1);call write~init~int(112, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 174#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 186#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 191#L20-3 assume !(sep_~i~0#1 < ~N~0); 188#L20-4 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 177#L27 main_#t~ret6#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 178#L20-8 [2022-11-23 02:18:54,673 INFO L750 eck$LassoCheckResult]: Loop: 178#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 179#L22-2 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 187#L20-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 178#L20-8 [2022-11-23 02:18:54,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:18:54,673 INFO L85 PathProgramCache]: Analyzing trace with hash 889511019, now seen corresponding path program 1 times [2022-11-23 02:18:54,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:18:54,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190853550] [2022-11-23 02:18:54,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:18:54,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:18:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:54,762 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 02:18:54,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:18:54,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190853550] [2022-11-23 02:18:54,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190853550] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:18:54,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:18:54,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 02:18:54,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899499990] [2022-11-23 02:18:54,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:18:54,766 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-23 02:18:54,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:18:54,766 INFO L85 PathProgramCache]: Analyzing trace with hash 63653, now seen corresponding path program 1 times [2022-11-23 02:18:54,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:18:54,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530138183] [2022-11-23 02:18:54,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:18:54,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:18:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:18:54,773 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:18:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:18:54,789 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:18:54,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:18:54,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:18:54,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:18:54,863 INFO L87 Difference]: Start difference. First operand 20 states and 29 transitions. cyclomatic complexity: 13 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 02:18:54,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:18:54,899 INFO L93 Difference]: Finished difference Result 22 states and 29 transitions. [2022-11-23 02:18:54,899 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 29 transitions. [2022-11-23 02:18:54,910 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-11-23 02:18:54,911 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 29 transitions. [2022-11-23 02:18:54,911 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-23 02:18:54,912 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-23 02:18:54,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 29 transitions. [2022-11-23 02:18:54,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:18:54,912 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 29 transitions. [2022-11-23 02:18:54,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 29 transitions. [2022-11-23 02:18:54,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2022-11-23 02:18:54,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 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 02:18:54,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2022-11-23 02:18:54,915 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-11-23 02:18:54,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:18:54,916 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-11-23 02:18:54,916 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-23 02:18:54,916 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2022-11-23 02:18:54,917 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-11-23 02:18:54,918 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:18:54,918 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:18:54,918 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:18:54,918 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-23 02:18:54,919 INFO L748 eck$LassoCheckResult]: Stem: 221#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int(115, 2, 0, 1);call write~init~int(101, 2, 1, 1);call write~init~int(112, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 222#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 234#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 239#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 237#L22 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 238#L20-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 240#L20-3 assume !(sep_~i~0#1 < ~N~0); 236#L20-4 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 225#L27 main_#t~ret6#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 226#L20-8 [2022-11-23 02:18:54,919 INFO L750 eck$LassoCheckResult]: Loop: 226#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 227#L22-2 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 235#L20-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 226#L20-8 [2022-11-23 02:18:54,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:18:54,919 INFO L85 PathProgramCache]: Analyzing trace with hash -473899520, now seen corresponding path program 1 times [2022-11-23 02:18:54,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:18:54,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88271421] [2022-11-23 02:18:54,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:18:54,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:18:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:55,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-23 02:18:55,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:18:55,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:18:55,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88271421] [2022-11-23 02:18:55,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88271421] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:18:55,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244549262] [2022-11-23 02:18:55,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:18:55,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:18:55,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:18:55,106 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:18:55,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-11-23 02:18:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:55,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 02:18:55,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:18:55,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:18:55,215 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:18:55,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:18:55,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244549262] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 02:18:55,240 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 02:18:55,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-23 02:18:55,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826053580] [2022-11-23 02:18:55,240 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 02:18:55,240 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-23 02:18:55,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:18:55,241 INFO L85 PathProgramCache]: Analyzing trace with hash 63653, now seen corresponding path program 2 times [2022-11-23 02:18:55,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:18:55,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967661784] [2022-11-23 02:18:55,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:18:55,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:18:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:18:55,248 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:18:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:18:55,254 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:18:55,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:18:55,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 02:18:55,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2022-11-23 02:18:55,314 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. cyclomatic complexity: 10 Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 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 02:18:55,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:18:55,363 INFO L93 Difference]: Finished difference Result 25 states and 33 transitions. [2022-11-23 02:18:55,363 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 33 transitions. [2022-11-23 02:18:55,364 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-11-23 02:18:55,364 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 33 transitions. [2022-11-23 02:18:55,364 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-23 02:18:55,364 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-23 02:18:55,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 33 transitions. [2022-11-23 02:18:55,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:18:55,365 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 33 transitions. [2022-11-23 02:18:55,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 33 transitions. [2022-11-23 02:18:55,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2022-11-23 02:18:55,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 22 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:18:55,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions. [2022-11-23 02:18:55,367 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 30 transitions. [2022-11-23 02:18:55,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 02:18:55,368 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2022-11-23 02:18:55,369 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-23 02:18:55,369 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 30 transitions. [2022-11-23 02:18:55,369 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-11-23 02:18:55,369 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:18:55,369 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:18:55,370 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-23 02:18:55,370 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-23 02:18:55,370 INFO L748 eck$LassoCheckResult]: Stem: 324#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int(115, 2, 0, 1);call write~init~int(101, 2, 1, 1);call write~init~int(112, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 325#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 337#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 342#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 343#L22 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 345#L20-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 344#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 340#L22 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 341#L20-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 346#L20-3 assume !(sep_~i~0#1 < ~N~0); 339#L20-4 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 328#L27 main_#t~ret6#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 329#L20-8 [2022-11-23 02:18:55,371 INFO L750 eck$LassoCheckResult]: Loop: 329#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 330#L22-2 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 338#L20-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 329#L20-8 [2022-11-23 02:18:55,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:18:55,373 INFO L85 PathProgramCache]: Analyzing trace with hash -331548597, now seen corresponding path program 2 times [2022-11-23 02:18:55,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:18:55,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308600918] [2022-11-23 02:18:55,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:18:55,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:18:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:18:55,428 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:18:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:18:55,472 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:18:55,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:18:55,473 INFO L85 PathProgramCache]: Analyzing trace with hash 63653, now seen corresponding path program 3 times [2022-11-23 02:18:55,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:18:55,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590752203] [2022-11-23 02:18:55,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:18:55,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:18:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:18:55,481 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:18:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:18:55,486 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:18:55,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:18:55,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1260561435, now seen corresponding path program 1 times [2022-11-23 02:18:55,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:18:55,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126109959] [2022-11-23 02:18:55,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:18:55,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:18:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:56,174 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:18:56,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:18:56,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126109959] [2022-11-23 02:18:56,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126109959] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:18:56,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513118709] [2022-11-23 02:18:56,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:18:56,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:18:56,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:18:56,177 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:18:56,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-11-23 02:18:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:18:56,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-23 02:18:56,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:18:56,424 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 38 treesize of output 26 [2022-11-23 02:18:56,448 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 27 treesize of output 15 [2022-11-23 02:18:56,473 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:18:56,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:18:56,584 INFO L321 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2022-11-23 02:18:56,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 34 treesize of output 27 [2022-11-23 02:18:56,649 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:18:56,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513118709] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 02:18:56,649 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 02:18:56,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2022-11-23 02:18:56,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111395869] [2022-11-23 02:18:56,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 02:18:56,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:18:56,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 02:18:56,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-23 02:18:56,707 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. cyclomatic complexity: 11 Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 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 02:18:57,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:18:57,385 INFO L93 Difference]: Finished difference Result 101 states and 135 transitions. [2022-11-23 02:18:57,385 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 101 states and 135 transitions. [2022-11-23 02:18:57,387 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 28 [2022-11-23 02:18:57,389 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 101 states to 101 states and 135 transitions. [2022-11-23 02:18:57,389 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 89 [2022-11-23 02:18:57,389 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 89 [2022-11-23 02:18:57,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 101 states and 135 transitions. [2022-11-23 02:18:57,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:18:57,390 INFO L218 hiAutomatonCegarLoop]: Abstraction has 101 states and 135 transitions. [2022-11-23 02:18:57,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states and 135 transitions. [2022-11-23 02:18:57,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 31. [2022-11-23 02:18:57,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 30 states have internal predecessors, (42), 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 02:18:57,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2022-11-23 02:18:57,395 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 42 transitions. [2022-11-23 02:18:57,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-23 02:18:57,396 INFO L428 stractBuchiCegarLoop]: Abstraction has 31 states and 42 transitions. [2022-11-23 02:18:57,396 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-23 02:18:57,397 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 42 transitions. [2022-11-23 02:18:57,397 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-11-23 02:18:57,397 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:18:57,397 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:18:57,398 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:18:57,398 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-23 02:18:57,398 INFO L748 eck$LassoCheckResult]: Stem: 564#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int(115, 2, 0, 1);call write~init~int(101, 2, 1, 1);call write~init~int(112, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 565#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 577#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 582#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 583#L22 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 587#L20-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 584#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 585#L22 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 592#L20-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 590#L20-3 assume !(sep_~i~0#1 < ~N~0); 589#L20-4 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 566#L27 main_#t~ret6#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 567#L20-8 [2022-11-23 02:18:57,398 INFO L750 eck$LassoCheckResult]: Loop: 567#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 568#L22-2 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 576#L20-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 567#L20-8 [2022-11-23 02:18:57,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:18:57,399 INFO L85 PathProgramCache]: Analyzing trace with hash -333395639, now seen corresponding path program 1 times [2022-11-23 02:18:57,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:18:57,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499673315] [2022-11-23 02:18:57,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:18:57,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:18:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:18:57,418 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:18:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:18:57,431 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:18:57,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:18:57,432 INFO L85 PathProgramCache]: Analyzing trace with hash 63653, now seen corresponding path program 4 times [2022-11-23 02:18:57,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:18:57,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607800110] [2022-11-23 02:18:57,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:18:57,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:18:57,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:18:57,436 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:18:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:18:57,440 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:18:57,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:18:57,440 INFO L85 PathProgramCache]: Analyzing trace with hash 2069908061, now seen corresponding path program 1 times [2022-11-23 02:18:57,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:18:57,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27303340] [2022-11-23 02:18:57,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:18:57,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:18:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:18:57,465 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:18:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:18:57,487 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:18:58,506 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 02:18:58,506 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 02:18:58,506 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 02:18:58,507 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 02:18:58,507 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 02:18:58,507 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:18:58,507 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 02:18:58,507 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 02:18:58,507 INFO L133 ssoRankerPreferences]: Filename of dumped script: sep.i_Iteration5_Lasso [2022-11-23 02:18:58,507 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 02:18:58,507 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 02:18:58,510 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 02:18:58,515 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 02:18:58,543 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 02:18:58,545 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 02:18:58,547 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 02:18:58,551 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 02:18:59,271 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 02:18:59,274 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 02:18:59,276 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 02:18:59,279 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 02:18:59,282 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 02:18:59,285 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 02:18:59,287 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 02:18:59,290 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 02:18:59,292 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 02:18:59,294 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 02:18:59,296 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 02:18:59,300 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 02:18:59,302 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 02:18:59,306 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 02:18:59,308 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 02:18:59,310 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 02:18:59,312 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 02:18:59,925 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 02:18:59,925 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 02:18:59,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:18:59,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:18:59,934 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:18:59,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:18:59,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-23 02:18:59,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:18:59,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:18:59,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:18:59,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:18:59,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:18:59,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:18:59,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:18:59,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:18:59,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-11-23 02:18:59,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:18:59,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:18:59,962 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:18:59,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-23 02:18:59,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:18:59,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:18:59,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:18:59,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:18:59,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:18:59,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:18:59,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:18:59,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:18:59,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:18:59,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-11-23 02:18:59,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:18:59,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:18:59,986 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:00,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-23 02:19:00,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:19:00,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:00,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:19:00,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:00,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:00,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:00,015 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:19:00,015 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:19:00,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:00,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-11-23 02:19:00,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:00,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:00,021 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:00,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-23 02:19:00,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:19:00,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:00,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:19:00,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:00,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:00,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:00,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:19:00,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:19:00,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:00,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:00,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:00,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:00,040 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:00,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-23 02:19:00,044 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:00,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:00,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:00,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:00,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:00,055 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:00,055 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:00,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:00,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:00,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:00,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:00,063 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:00,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:00,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-23 02:19:00,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:00,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:00,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:00,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:00,078 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:00,078 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:00,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:00,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-11-23 02:19:00,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:00,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:00,094 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:00,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-23 02:19:00,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:00,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:00,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:00,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:00,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:00,109 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:00,110 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:00,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:00,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-11-23 02:19:00,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:00,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:00,131 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:00,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:00,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-23 02:19:00,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:00,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:00,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:00,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:00,147 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:00,147 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:00,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:00,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:00,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:00,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:00,196 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:00,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:00,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:00,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:00,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:00,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:00,217 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:00,217 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:00,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-23 02:19:00,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:00,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:00,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:00,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:00,245 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:00,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:00,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:00,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:00,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:00,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:00,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-23 02:19:00,266 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:00,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:00,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:00,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:00,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:00,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:00,274 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:00,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-23 02:19:00,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:00,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:00,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:00,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:00,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:00,289 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:00,289 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:00,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:00,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:00,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:00,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:00,300 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:00,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-23 02:19:00,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:19:00,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:00,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:00,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:00,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:00,314 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:00,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:00,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:00,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:00,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:00,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:00,332 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:00,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:00,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:00,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:00,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:00,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:00,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-23 02:19:00,356 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:00,356 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:00,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:00,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-11-23 02:19:00,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:00,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:00,374 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:00,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-23 02:19:00,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:00,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:00,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:00,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:00,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:00,389 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:00,389 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:00,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:00,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-11-23 02:19:00,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:00,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:00,398 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:00,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-23 02:19:00,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:00,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:00,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:00,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:00,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:00,418 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:00,418 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:00,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:00,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:00,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:00,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:00,448 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:00,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:19:00,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:00,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:00,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:00,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:00,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-23 02:19:00,470 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:00,470 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:00,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:00,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:00,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:00,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:00,508 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:00,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:19:00,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:00,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:00,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:00,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:00,528 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:00,528 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:00,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-23 02:19:00,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:00,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:00,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:00,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:00,556 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:00,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:00,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-23 02:19:00,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:00,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:00,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:00,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:00,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:00,580 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:00,606 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 02:19:00,659 INFO L443 ModelExtractionUtils]: Simplification made 24 calls to the SMT solver. [2022-11-23 02:19:00,660 INFO L444 ModelExtractionUtils]: 8 out of 25 variables were initially zero. Simplification set additionally 13 variables to zero. [2022-11-23 02:19:00,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:00,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:00,686 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:00,711 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 02:19:00,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-23 02:19:00,727 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-23 02:19:00,727 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 02:19:00,728 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_2, ULTIMATE.start_sep_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_2 - 4*ULTIMATE.start_sep_~i~0#1 Supporting invariants [1*ULTIMATE.start_sep_~x#1.offset >= 0] [2022-11-23 02:19:00,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:00,863 INFO L156 tatePredicateManager]: 20 out of 22 supporting invariants were superfluous and have been removed [2022-11-23 02:19:00,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:00,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-23 02:19:00,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:19:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:00,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 02:19:00,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:19:01,007 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 02:19:01,008 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-23 02:19:01,009 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 42 transitions. cyclomatic complexity: 16 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 02:19:01,064 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 42 transitions. cyclomatic complexity: 16. 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 40 states and 58 transitions. Complement of second has 8 states. [2022-11-23 02:19:01,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-23 02:19:01,069 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 02:19:01,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2022-11-23 02:19:01,069 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 12 letters. Loop has 3 letters. [2022-11-23 02:19:01,069 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 02:19:01,070 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 15 letters. Loop has 3 letters. [2022-11-23 02:19:01,070 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 02:19:01,070 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 12 letters. Loop has 6 letters. [2022-11-23 02:19:01,070 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 02:19:01,070 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 58 transitions. [2022-11-23 02:19:01,073 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-11-23 02:19:01,074 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 32 states and 44 transitions. [2022-11-23 02:19:01,074 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-23 02:19:01,074 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-23 02:19:01,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 44 transitions. [2022-11-23 02:19:01,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:19:01,076 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 44 transitions. [2022-11-23 02:19:01,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 44 transitions. [2022-11-23 02:19:01,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-11-23 02:19:01,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.375) internal successors, (44), 31 states have internal predecessors, (44), 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 02:19:01,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 44 transitions. [2022-11-23 02:19:01,085 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 44 transitions. [2022-11-23 02:19:01,085 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 44 transitions. [2022-11-23 02:19:01,085 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-23 02:19:01,085 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 44 transitions. [2022-11-23 02:19:01,088 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-11-23 02:19:01,088 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:19:01,088 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:19:01,088 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:19:01,088 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-23 02:19:01,090 INFO L748 eck$LassoCheckResult]: Stem: 799#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int(115, 2, 0, 1);call write~init~int(101, 2, 1, 1);call write~init~int(112, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 800#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 813#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 817#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 815#L22 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 816#L20-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 818#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 819#L22 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 827#L20-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 823#L20-3 assume !(sep_~i~0#1 < ~N~0); 822#L20-4 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 821#L27 main_#t~ret6#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 820#L20-8 assume !(sep_~i~0#1 < ~N~0); 797#L20-9 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 798#L27-1 main_#t~ret9#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 807#L46-3 [2022-11-23 02:19:01,091 INFO L750 eck$LassoCheckResult]: Loop: 807#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem12#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int(main_#t~mem12#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem12#1; 806#L46-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 807#L46-3 [2022-11-23 02:19:01,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:01,099 INFO L85 PathProgramCache]: Analyzing trace with hash 2069906393, now seen corresponding path program 1 times [2022-11-23 02:19:01,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:01,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59719499] [2022-11-23 02:19:01,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:01,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:01,196 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 02:19:01,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:19:01,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59719499] [2022-11-23 02:19:01,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59719499] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:19:01,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:19:01,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 02:19:01,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13813932] [2022-11-23 02:19:01,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:19:01,197 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-23 02:19:01,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:01,198 INFO L85 PathProgramCache]: Analyzing trace with hash 2723, now seen corresponding path program 1 times [2022-11-23 02:19:01,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:01,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439068696] [2022-11-23 02:19:01,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:01,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:01,205 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:19:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:01,209 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:19:01,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:19:01,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 02:19:01,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:19:01,280 INFO L87 Difference]: Start difference. First operand 32 states and 44 transitions. cyclomatic complexity: 17 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 02:19:01,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:19:01,311 INFO L93 Difference]: Finished difference Result 37 states and 49 transitions. [2022-11-23 02:19:01,311 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 49 transitions. [2022-11-23 02:19:01,312 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-11-23 02:19:01,312 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 37 states and 49 transitions. [2022-11-23 02:19:01,312 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2022-11-23 02:19:01,313 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2022-11-23 02:19:01,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 49 transitions. [2022-11-23 02:19:01,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:19:01,314 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 49 transitions. [2022-11-23 02:19:01,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 49 transitions. [2022-11-23 02:19:01,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 32. [2022-11-23 02:19:01,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.3125) internal successors, (42), 31 states have internal predecessors, (42), 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 02:19:01,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 42 transitions. [2022-11-23 02:19:01,324 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 42 transitions. [2022-11-23 02:19:01,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 02:19:01,327 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 42 transitions. [2022-11-23 02:19:01,327 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-23 02:19:01,327 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 42 transitions. [2022-11-23 02:19:01,328 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-11-23 02:19:01,328 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:19:01,328 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:19:01,329 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:19:01,329 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-23 02:19:01,330 INFO L748 eck$LassoCheckResult]: Stem: 873#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int(115, 2, 0, 1);call write~init~int(101, 2, 1, 1);call write~init~int(112, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 874#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 888#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 894#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 895#L22 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 898#L20-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 896#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 897#L22 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 904#L20-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 902#L20-3 assume !(sep_~i~0#1 < ~N~0); 901#L20-4 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 900#L27 main_#t~ret6#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 879#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 880#L22-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 890#L20-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 881#L20-8 assume !(sep_~i~0#1 < ~N~0); 875#L20-9 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 876#L27-1 main_#t~ret9#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 883#L46-3 [2022-11-23 02:19:01,330 INFO L750 eck$LassoCheckResult]: Loop: 883#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem12#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int(main_#t~mem12#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem12#1; 882#L46-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 883#L46-3 [2022-11-23 02:19:01,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:01,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1787455815, now seen corresponding path program 1 times [2022-11-23 02:19:01,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:01,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799921793] [2022-11-23 02:19:01,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:01,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:01,427 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 02:19:01,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:19:01,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799921793] [2022-11-23 02:19:01,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799921793] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:19:01,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667068220] [2022-11-23 02:19:01,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:01,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:19:01,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:01,431 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:19:01,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2022-11-23 02:19:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:01,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 02:19:01,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:19:01,570 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 02:19:01,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:19:01,610 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 02:19:01,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667068220] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 02:19:01,611 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 02:19:01,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2022-11-23 02:19:01,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751061854] [2022-11-23 02:19:01,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 02:19:01,613 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-23 02:19:01,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:01,614 INFO L85 PathProgramCache]: Analyzing trace with hash 2723, now seen corresponding path program 2 times [2022-11-23 02:19:01,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:01,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969952493] [2022-11-23 02:19:01,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:01,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:01,620 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:19:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:01,623 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:19:01,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:19:01,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 02:19:01,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2022-11-23 02:19:01,684 INFO L87 Difference]: Start difference. First operand 32 states and 42 transitions. cyclomatic complexity: 15 Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:19:01,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:19:01,793 INFO L93 Difference]: Finished difference Result 45 states and 59 transitions. [2022-11-23 02:19:01,793 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 59 transitions. [2022-11-23 02:19:01,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:01,797 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-11-23 02:19:01,799 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 59 transitions. [2022-11-23 02:19:01,799 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2022-11-23 02:19:01,800 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2022-11-23 02:19:01,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 59 transitions. [2022-11-23 02:19:01,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:19:01,803 INFO L218 hiAutomatonCegarLoop]: Abstraction has 45 states and 59 transitions. [2022-11-23 02:19:01,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 59 transitions. [2022-11-23 02:19:01,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 35. [2022-11-23 02:19:01,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 34 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:19:01,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 46 transitions. [2022-11-23 02:19:01,809 INFO L240 hiAutomatonCegarLoop]: Abstraction has 35 states and 46 transitions. [2022-11-23 02:19:01,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 02:19:01,810 INFO L428 stractBuchiCegarLoop]: Abstraction has 35 states and 46 transitions. [2022-11-23 02:19:01,811 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-23 02:19:01,811 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 46 transitions. [2022-11-23 02:19:01,812 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-11-23 02:19:01,812 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:19:01,812 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:19:01,812 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:19:01,813 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-23 02:19:01,813 INFO L748 eck$LassoCheckResult]: Stem: 1067#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int(115, 2, 0, 1);call write~init~int(101, 2, 1, 1);call write~init~int(112, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 1068#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1082#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1087#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1085#L22 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1086#L20-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1088#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1089#L22 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 1098#L20-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1094#L20-3 assume !(sep_~i~0#1 < ~N~0); 1093#L20-4 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 1069#L27 main_#t~ret6#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1070#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1092#L22-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1090#L20-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1073#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1074#L22-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1081#L20-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1091#L20-8 assume !(sep_~i~0#1 < ~N~0); 1065#L20-9 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 1066#L27-1 main_#t~ret9#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 1076#L46-3 [2022-11-23 02:19:01,813 INFO L750 eck$LassoCheckResult]: Loop: 1076#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem12#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int(main_#t~mem12#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem12#1; 1075#L46-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1076#L46-3 [2022-11-23 02:19:01,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:01,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1143219481, now seen corresponding path program 2 times [2022-11-23 02:19:01,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:01,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430367649] [2022-11-23 02:19:01,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:01,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:02,555 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 02:19:02,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:19:02,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430367649] [2022-11-23 02:19:02,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430367649] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:19:02,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228289651] [2022-11-23 02:19:02,556 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 02:19:02,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:19:02,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:02,558 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:19:02,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2022-11-23 02:19:02,640 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 02:19:02,640 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 02:19:02,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-23 02:19:02,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:19:02,761 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 34 treesize of output 22 [2022-11-23 02:19:02,798 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 23 treesize of output 11 [2022-11-23 02:19:02,845 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 02:19:02,845 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:19:02,953 INFO L321 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2022-11-23 02:19:02,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 34 treesize of output 27 [2022-11-23 02:19:03,018 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 02:19:03,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228289651] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 02:19:03,018 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 02:19:03,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2022-11-23 02:19:03,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327690436] [2022-11-23 02:19:03,019 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 02:19:03,019 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-23 02:19:03,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:03,020 INFO L85 PathProgramCache]: Analyzing trace with hash 2723, now seen corresponding path program 3 times [2022-11-23 02:19:03,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:03,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351563232] [2022-11-23 02:19:03,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:03,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:03,025 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:19:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:03,038 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:19:03,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:19:03,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-23 02:19:03,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-11-23 02:19:03,104 INFO L87 Difference]: Start difference. First operand 35 states and 46 transitions. cyclomatic complexity: 16 Second operand has 16 states, 16 states have (on average 2.25) internal successors, (36), 16 states have internal predecessors, (36), 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 02:19:03,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:19:03,637 INFO L93 Difference]: Finished difference Result 79 states and 103 transitions. [2022-11-23 02:19:03,638 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 79 states and 103 transitions. [2022-11-23 02:19:03,638 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2022-11-23 02:19:03,639 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 79 states to 79 states and 103 transitions. [2022-11-23 02:19:03,639 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 46 [2022-11-23 02:19:03,640 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2022-11-23 02:19:03,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 79 states and 103 transitions. [2022-11-23 02:19:03,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:19:03,640 INFO L218 hiAutomatonCegarLoop]: Abstraction has 79 states and 103 transitions. [2022-11-23 02:19:03,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states and 103 transitions. [2022-11-23 02:19:03,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 35. [2022-11-23 02:19:03,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 34 states have internal predecessors, (45), 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 02:19:03,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2022-11-23 02:19:03,643 INFO L240 hiAutomatonCegarLoop]: Abstraction has 35 states and 45 transitions. [2022-11-23 02:19:03,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-23 02:19:03,647 INFO L428 stractBuchiCegarLoop]: Abstraction has 35 states and 45 transitions. [2022-11-23 02:19:03,648 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-23 02:19:03,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 45 transitions. [2022-11-23 02:19:03,648 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-11-23 02:19:03,648 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:19:03,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:19:03,649 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:19:03,649 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-23 02:19:03,649 INFO L748 eck$LassoCheckResult]: Stem: 1330#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int(115, 2, 0, 1);call write~init~int(101, 2, 1, 1);call write~init~int(112, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 1331#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1345#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1350#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1351#L22 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1354#L20-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1352#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1353#L22 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 1362#L20-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1356#L20-3 assume !(sep_~i~0#1 < ~N~0); 1357#L20-4 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 1332#L27 main_#t~ret6#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1333#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1361#L22-2 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 1360#L20-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1336#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1337#L22-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1344#L20-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1355#L20-8 assume !(sep_~i~0#1 < ~N~0); 1328#L20-9 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 1329#L27-1 main_#t~ret9#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 1339#L46-3 [2022-11-23 02:19:03,650 INFO L750 eck$LassoCheckResult]: Loop: 1339#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem12#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int(main_#t~mem12#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem12#1; 1338#L46-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1339#L46-3 [2022-11-23 02:19:03,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:03,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1952566107, now seen corresponding path program 1 times [2022-11-23 02:19:03,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:03,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85829541] [2022-11-23 02:19:03,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:03,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:03,675 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:19:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:03,699 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:19:03,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:03,700 INFO L85 PathProgramCache]: Analyzing trace with hash 2723, now seen corresponding path program 4 times [2022-11-23 02:19:03,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:03,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981029300] [2022-11-23 02:19:03,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:03,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:03,704 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:19:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:03,707 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:19:03,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:03,707 INFO L85 PathProgramCache]: Analyzing trace with hash -484677763, now seen corresponding path program 1 times [2022-11-23 02:19:03,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:03,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995888449] [2022-11-23 02:19:03,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:03,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:03,733 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:19:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:03,760 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:19:05,042 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 02:19:05,043 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 02:19:05,044 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 02:19:05,044 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 02:19:05,044 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 02:19:05,044 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:05,044 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 02:19:05,044 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 02:19:05,044 INFO L133 ssoRankerPreferences]: Filename of dumped script: sep.i_Iteration9_Lasso [2022-11-23 02:19:05,044 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 02:19:05,045 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 02:19:05,050 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 02:19:05,052 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 02:19:05,055 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 02:19:05,063 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 02:19:05,066 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 02:19:05,070 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 02:19:05,072 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 02:19:05,075 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 02:19:05,078 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 02:19:06,097 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 02:19:06,099 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 02:19:06,101 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 02:19:06,102 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 02:19:06,104 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 02:19:06,107 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 02:19:06,108 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 02:19:06,111 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 02:19:06,116 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 02:19:06,117 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 02:19:06,119 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 02:19:06,795 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 02:19:06,796 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 02:19:06,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:06,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:06,803 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:06,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-23 02:19:06,804 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 02:19:06,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:06,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:19:06,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:06,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:06,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:06,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:19:06,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:19:06,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:06,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:06,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:06,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:06,819 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:06,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-23 02:19:06,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:06,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:06,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:06,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:06,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:06,836 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:06,836 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:06,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:06,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-23 02:19:06,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:06,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:06,855 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:06,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-23 02:19:06,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:06,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:06,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:06,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:06,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:06,872 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:06,872 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:06,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:06,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:06,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:06,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:06,899 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:06,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:06,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:06,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:19:06,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:06,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:06,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:06,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:19:06,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:19:06,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-23 02:19:06,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:06,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:06,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:06,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:06,935 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:06,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:06,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-23 02:19:06,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:06,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:19:06,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:06,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:06,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:06,951 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:19:06,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:19:06,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:06,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-11-23 02:19:06,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:06,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:06,955 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:06,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-23 02:19:06,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:06,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:06,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:19:06,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:06,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:06,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:06,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:19:06,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:19:06,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:06,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2022-11-23 02:19:06,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:06,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:06,974 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:06,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-23 02:19:06,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:06,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:06,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:19:06,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:06,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:06,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:06,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:19:06,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:19:06,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:06,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2022-11-23 02:19:06,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:06,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:06,994 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:06,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-23 02:19:06,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:07,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:07,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:07,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:07,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:07,007 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:07,007 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:07,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:07,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:07,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:07,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:07,035 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:07,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:07,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:07,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:07,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:07,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:07,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:07,053 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:07,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-23 02:19:07,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:07,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2022-11-23 02:19:07,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:07,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:07,077 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:07,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-23 02:19:07,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:07,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:07,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:07,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:07,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:07,094 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:07,094 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:07,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:07,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:07,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:07,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:07,104 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:07,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-23 02:19:07,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:07,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:07,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:07,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:07,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:07,123 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:07,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:07,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:07,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-11-23 02:19:07,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:07,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:07,131 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:07,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-23 02:19:07,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:07,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:07,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:07,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:07,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:07,145 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:07,145 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:07,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:07,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-11-23 02:19:07,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:07,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:07,153 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:07,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-23 02:19:07,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:07,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:07,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:07,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:07,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:07,175 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:07,175 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:07,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:07,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:07,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:07,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:07,200 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:07,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-23 02:19:07,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:07,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:07,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:07,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:07,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:07,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:07,215 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:07,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:07,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2022-11-23 02:19:07,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:07,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:07,228 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:07,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-23 02:19:07,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:07,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:07,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:07,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:07,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:07,244 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:07,244 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:07,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:07,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2022-11-23 02:19:07,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:07,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:07,255 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:07,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-23 02:19:07,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:07,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:07,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:07,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:07,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:07,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:07,273 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:07,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:07,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-11-23 02:19:07,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:07,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:07,284 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:07,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-23 02:19:07,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:07,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:07,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:07,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:07,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:07,317 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:07,317 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:07,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:07,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2022-11-23 02:19:07,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:07,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:07,325 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:07,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-23 02:19:07,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:19:07,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:07,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:07,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:07,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:07,339 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:07,339 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:07,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:07,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:07,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:07,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:07,347 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:07,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-23 02:19:07,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:07,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:07,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:07,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:07,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:07,361 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:07,361 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:07,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:07,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-11-23 02:19:07,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:07,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:07,368 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:07,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-23 02:19:07,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:19:07,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:07,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:07,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:07,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:07,388 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:07,388 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:07,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:07,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:07,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:07,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:07,415 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:07,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:07,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:07,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:07,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:07,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:07,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:07,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:07,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-23 02:19:07,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:07,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:07,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:07,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:07,470 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:07,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:07,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:07,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:07,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:07,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:07,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-23 02:19:07,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:07,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:07,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:07,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:07,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:07,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:07,517 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:07,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:07,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:07,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:07,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:07,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:07,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:07,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:07,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-23 02:19:07,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:07,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2022-11-23 02:19:07,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:07,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:07,548 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:07,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-23 02:19:07,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:07,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:07,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:07,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:07,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:07,563 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:07,563 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:07,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:07,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2022-11-23 02:19:07,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:07,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:07,572 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:07,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-23 02:19:07,574 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:19:07,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:07,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:07,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:07,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:07,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:07,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:07,607 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 02:19:07,640 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2022-11-23 02:19:07,640 INFO L444 ModelExtractionUtils]: 4 out of 25 variables were initially zero. Simplification set additionally 18 variables to zero. [2022-11-23 02:19:07,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:07,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:07,642 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:07,644 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 02:19:07,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-11-23 02:19:07,655 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-23 02:19:07,655 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 02:19:07,655 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_3) = -4*ULTIMATE.start_main_~i~1#1 + 1*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_3 Supporting invariants [] [2022-11-23 02:19:07,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2022-11-23 02:19:07,813 INFO L156 tatePredicateManager]: 31 out of 32 supporting invariants were superfluous and have been removed [2022-11-23 02:19:07,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:07,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 02:19:07,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:19:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:07,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 02:19:07,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:19:07,974 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 02:19:07,974 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-23 02:19:07,974 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 35 states and 45 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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 02:19:08,013 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 35 states and 45 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 56 transitions. Complement of second has 7 states. [2022-11-23 02:19:08,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-23 02:19:08,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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 02:19:08,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2022-11-23 02:19:08,015 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 21 letters. Loop has 2 letters. [2022-11-23 02:19:08,015 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 02:19:08,015 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 23 letters. Loop has 2 letters. [2022-11-23 02:19:08,016 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 02:19:08,016 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 21 letters. Loop has 4 letters. [2022-11-23 02:19:08,016 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 02:19:08,016 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 56 transitions. [2022-11-23 02:19:08,017 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-23 02:19:08,018 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 36 states and 47 transitions. [2022-11-23 02:19:08,018 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-23 02:19:08,018 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-23 02:19:08,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 47 transitions. [2022-11-23 02:19:08,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:19:08,018 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 47 transitions. [2022-11-23 02:19:08,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 47 transitions. [2022-11-23 02:19:08,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-11-23 02:19:08,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 35 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:19:08,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 47 transitions. [2022-11-23 02:19:08,021 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 47 transitions. [2022-11-23 02:19:08,021 INFO L428 stractBuchiCegarLoop]: Abstraction has 36 states and 47 transitions. [2022-11-23 02:19:08,021 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-23 02:19:08,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 47 transitions. [2022-11-23 02:19:08,021 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-23 02:19:08,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:19:08,022 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:19:08,022 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:19:08,022 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-23 02:19:08,023 INFO L748 eck$LassoCheckResult]: Stem: 1632#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int(115, 2, 0, 1);call write~init~int(101, 2, 1, 1);call write~init~int(112, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 1633#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1647#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1651#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1652#L22 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1665#L20-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1664#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1663#L22 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 1650#L20-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1653#L20-3 assume !(sep_~i~0#1 < ~N~0); 1648#L20-4 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 1634#L27 main_#t~ret6#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1635#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1636#L22-2 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 1646#L20-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1637#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1638#L22-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1655#L20-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1656#L20-8 assume !(sep_~i~0#1 < ~N~0); 1630#L20-9 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 1631#L27-1 main_#t~ret9#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 1654#L46-3 assume !(main_~i~1#1 < ~N~0 - 1); 1641#L46-4 call write~int(main_~temp~0#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (~N~0 - 1), 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1642#L20-13 [2022-11-23 02:19:08,023 INFO L750 eck$LassoCheckResult]: Loop: 1642#L20-13 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1643#L22-4 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 1644#L20-12 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1642#L20-13 [2022-11-23 02:19:08,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:08,023 INFO L85 PathProgramCache]: Analyzing trace with hash -484677821, now seen corresponding path program 1 times [2022-11-23 02:19:08,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:08,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783075073] [2022-11-23 02:19:08,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:08,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:08,082 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-23 02:19:08,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:19:08,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783075073] [2022-11-23 02:19:08,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783075073] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:19:08,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:19:08,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 02:19:08,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295495017] [2022-11-23 02:19:08,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:19:08,084 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-23 02:19:08,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:08,084 INFO L85 PathProgramCache]: Analyzing trace with hash 98408, now seen corresponding path program 1 times [2022-11-23 02:19:08,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:08,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484550901] [2022-11-23 02:19:08,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:08,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:08,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:19:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:08,092 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:19:08,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:19:08,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 02:19:08,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:19:08,148 INFO L87 Difference]: Start difference. First operand 36 states and 47 transitions. cyclomatic complexity: 16 Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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 02:19:08,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:19:08,172 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2022-11-23 02:19:08,172 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 47 transitions. [2022-11-23 02:19:08,173 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-23 02:19:08,173 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 37 states and 47 transitions. [2022-11-23 02:19:08,173 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-23 02:19:08,173 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-23 02:19:08,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 47 transitions. [2022-11-23 02:19:08,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:19:08,174 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 47 transitions. [2022-11-23 02:19:08,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 47 transitions. [2022-11-23 02:19:08,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2022-11-23 02:19:08,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 35 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:19:08,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 46 transitions. [2022-11-23 02:19:08,176 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 46 transitions. [2022-11-23 02:19:08,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 02:19:08,177 INFO L428 stractBuchiCegarLoop]: Abstraction has 36 states and 46 transitions. [2022-11-23 02:19:08,177 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-23 02:19:08,177 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 46 transitions. [2022-11-23 02:19:08,178 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-23 02:19:08,178 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:19:08,178 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:19:08,178 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:19:08,178 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-23 02:19:08,179 INFO L748 eck$LassoCheckResult]: Stem: 1710#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int(115, 2, 0, 1);call write~init~int(101, 2, 1, 1);call write~init~int(112, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 1711#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1725#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1730#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1728#L22 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1729#L20-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1731#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1732#L22 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 1744#L20-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1740#L20-3 assume !(sep_~i~0#1 < ~N~0); 1739#L20-4 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 1738#L27 main_#t~ret6#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1737#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1736#L22-2 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 1726#L20-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1717#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1718#L22-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1735#L20-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1734#L20-8 assume !(sep_~i~0#1 < ~N~0); 1712#L20-9 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 1713#L27-1 main_#t~ret9#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 1733#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem12#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int(main_#t~mem12#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem12#1; 1719#L46-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1720#L46-3 assume !(main_~i~1#1 < ~N~0 - 1); 1721#L46-4 call write~int(main_~temp~0#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (~N~0 - 1), 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1722#L20-13 [2022-11-23 02:19:08,179 INFO L750 eck$LassoCheckResult]: Loop: 1722#L20-13 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1723#L22-4 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 1724#L20-12 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1722#L20-13 [2022-11-23 02:19:08,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:08,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1918860571, now seen corresponding path program 1 times [2022-11-23 02:19:08,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:08,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382926040] [2022-11-23 02:19:08,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:08,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:08,206 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:19:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:08,234 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:19:08,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:08,234 INFO L85 PathProgramCache]: Analyzing trace with hash 98408, now seen corresponding path program 2 times [2022-11-23 02:19:08,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:08,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768604030] [2022-11-23 02:19:08,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:08,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:08,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:19:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:08,242 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:19:08,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:08,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1239507716, now seen corresponding path program 1 times [2022-11-23 02:19:08,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:08,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032110305] [2022-11-23 02:19:08,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:08,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:08,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:09,697 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:19:09,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:19:09,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032110305] [2022-11-23 02:19:09,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032110305] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:19:09,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181010804] [2022-11-23 02:19:09,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:09,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:19:09,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:09,699 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:19:09,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process [2022-11-23 02:19:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:09,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 42 conjunts are in the unsatisfiable core [2022-11-23 02:19:09,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:19:09,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 02:19:09,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-11-23 02:19:10,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 02:19:10,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 02:19:10,073 INFO L321 Elim1Store]: treesize reduction 2, result has 33.3 percent of original size [2022-11-23 02:19:10,073 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 1 case distinctions, treesize of input 37 treesize of output 35 [2022-11-23 02:19:10,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 02:19:10,190 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-23 02:19:10,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 46 [2022-11-23 02:19:10,246 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 27 treesize of output 15 [2022-11-23 02:19:10,276 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 02:19:10,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:19:10,844 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 70 treesize of output 66 [2022-11-23 02:19:10,907 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 02:19:10,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181010804] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 02:19:10,908 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 02:19:10,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11, 11] total 30 [2022-11-23 02:19:10,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038683309] [2022-11-23 02:19:10,908 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 02:19:10,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:19:10,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-11-23 02:19:10,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=708, Unknown=0, NotChecked=0, Total=870 [2022-11-23 02:19:10,965 INFO L87 Difference]: Start difference. First operand 36 states and 46 transitions. cyclomatic complexity: 15 Second operand has 30 states, 30 states have (on average 2.3) internal successors, (69), 30 states have internal predecessors, (69), 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 02:19:13,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:19:13,189 INFO L93 Difference]: Finished difference Result 124 states and 157 transitions. [2022-11-23 02:19:13,189 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 157 transitions. [2022-11-23 02:19:13,191 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2022-11-23 02:19:13,191 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 124 states and 157 transitions. [2022-11-23 02:19:13,192 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59 [2022-11-23 02:19:13,192 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2022-11-23 02:19:13,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 157 transitions. [2022-11-23 02:19:13,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:19:13,193 INFO L218 hiAutomatonCegarLoop]: Abstraction has 124 states and 157 transitions. [2022-11-23 02:19:13,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 157 transitions. [2022-11-23 02:19:13,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 70. [2022-11-23 02:19:13,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 70 states have (on average 1.2857142857142858) internal successors, (90), 69 states have internal predecessors, (90), 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 02:19:13,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 90 transitions. [2022-11-23 02:19:13,215 INFO L240 hiAutomatonCegarLoop]: Abstraction has 70 states and 90 transitions. [2022-11-23 02:19:13,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-23 02:19:13,216 INFO L428 stractBuchiCegarLoop]: Abstraction has 70 states and 90 transitions. [2022-11-23 02:19:13,216 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-11-23 02:19:13,216 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states and 90 transitions. [2022-11-23 02:19:13,217 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-23 02:19:13,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:19:13,217 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:19:13,218 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:19:13,218 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-23 02:19:13,218 INFO L748 eck$LassoCheckResult]: Stem: 2105#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int(115, 2, 0, 1);call write~init~int(101, 2, 1, 1);call write~init~int(112, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 2106#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2121#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 2129#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 2126#L22 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 2127#L20-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 2130#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 2131#L22 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 2152#L20-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 2153#L20-3 assume !(sep_~i~0#1 < ~N~0); 2149#L20-4 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 2150#L27 main_#t~ret6#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 2147#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 2148#L22-2 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 2158#L20-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 2113#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 2114#L22-2 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 2174#L20-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 2172#L20-8 assume !(sep_~i~0#1 < ~N~0); 2171#L20-9 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 2170#L27-1 main_#t~ret9#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 2168#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem12#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int(main_#t~mem12#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem12#1; 2167#L46-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 2166#L46-3 assume !(main_~i~1#1 < ~N~0 - 1); 2117#L46-4 call write~int(main_~temp~0#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (~N~0 - 1), 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 2118#L20-13 [2022-11-23 02:19:13,218 INFO L750 eck$LassoCheckResult]: Loop: 2118#L20-13 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 2135#L22-4 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 2120#L20-12 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 2118#L20-13 [2022-11-23 02:19:13,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:13,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1273346529, now seen corresponding path program 1 times [2022-11-23 02:19:13,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:13,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471226362] [2022-11-23 02:19:13,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:13,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:13,240 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:19:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:13,263 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:19:13,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:13,264 INFO L85 PathProgramCache]: Analyzing trace with hash 98408, now seen corresponding path program 3 times [2022-11-23 02:19:13,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:13,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113905707] [2022-11-23 02:19:13,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:13,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:13,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:19:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:13,271 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:19:13,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:13,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1115355784, now seen corresponding path program 1 times [2022-11-23 02:19:13,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:13,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227609691] [2022-11-23 02:19:13,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:13,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:13,296 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:19:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:13,323 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:19:16,476 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 02:19:16,476 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 02:19:16,476 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 02:19:16,476 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 02:19:16,476 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 02:19:16,476 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:16,476 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 02:19:16,476 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 02:19:16,477 INFO L133 ssoRankerPreferences]: Filename of dumped script: sep.i_Iteration12_Lasso [2022-11-23 02:19:16,477 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 02:19:16,477 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 02:19:16,480 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 02:19:16,482 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 02:19:16,485 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 02:19:16,487 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 02:19:16,489 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 02:19:16,491 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 02:19:16,493 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 02:19:16,497 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 02:19:16,499 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 02:19:16,501 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 02:19:16,503 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 02:19:16,507 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 02:19:16,519 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 02:19:16,521 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 02:19:16,523 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 02:19:17,831 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 02:19:17,833 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 02:19:17,835 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 02:19:17,839 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 02:19:17,842 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 02:19:17,843 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 02:19:17,845 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 02:19:18,544 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 02:19:18,544 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 02:19:18,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:18,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:18,549 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:18,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-11-23 02:19:18,551 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:19:18,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:18,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:19:18,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:18,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:18,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:18,562 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:19:18,562 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:19:18,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:18,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2022-11-23 02:19:18,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:18,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:18,566 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:18,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-11-23 02:19:18,569 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 02:19:18,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:18,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:18,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:18,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:18,581 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:18,581 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:18,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:18,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2022-11-23 02:19:18,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:18,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:18,607 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:18,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:18,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:18,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:19:18,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:18,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:18,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:18,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:19:18,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:19:18,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-11-23 02:19:18,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:18,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:18,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:18,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:18,651 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:18,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:18,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:18,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:19:18,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:18,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:18,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:18,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:19:18,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:19:18,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-11-23 02:19:18,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:18,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:18,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:18,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:18,680 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:18,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:19:18,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-11-23 02:19:18,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:18,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:19:18,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:18,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:18,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:18,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:19:18,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:19:18,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:18,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:18,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:18,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:18,706 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:18,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-11-23 02:19:18,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:19:18,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:18,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:19:18,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:18,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:18,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:18,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:19:18,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:19:18,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:18,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:18,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:18,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:18,734 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:18,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2022-11-23 02:19:18,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:18,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:18,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:18,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:18,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:18,747 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:18,747 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:18,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:18,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:18,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:18,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:18,754 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:18,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2022-11-23 02:19:18,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:18,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:18,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:19:18,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:18,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:18,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:18,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:19:18,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:19:18,768 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:18,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:18,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:18,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:18,772 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:18,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2022-11-23 02:19:18,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:18,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:18,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:19:18,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:18,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:18,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:18,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:19:18,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:19:18,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:18,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:18,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:18,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:18,789 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:18,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2022-11-23 02:19:18,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:18,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:18,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:19:18,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:18,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:18,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:18,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:19:18,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:19:18,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:18,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2022-11-23 02:19:18,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:18,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:18,807 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:18,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2022-11-23 02:19:18,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:18,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:18,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:18,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:18,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:18,820 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:18,820 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:18,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:18,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:18,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:18,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:18,828 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:18,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2022-11-23 02:19:18,830 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:18,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:18,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:19:18,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:18,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:18,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:18,841 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:19:18,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:19:18,842 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:18,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2022-11-23 02:19:18,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:18,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:18,845 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:18,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2022-11-23 02:19:18,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:18,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:18,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:19:18,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:18,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:18,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:18,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:19:18,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:19:18,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:18,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2022-11-23 02:19:18,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:18,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:18,866 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:18,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2022-11-23 02:19:18,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:19:18,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:18,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:19:18,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:18,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:18,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:18,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:19:18,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:19:18,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:18,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2022-11-23 02:19:18,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:18,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:18,887 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:18,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2022-11-23 02:19:18,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:18,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:18,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:18,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:18,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:18,902 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:18,902 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:18,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:18,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2022-11-23 02:19:18,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:18,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:18,909 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:18,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2022-11-23 02:19:18,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:18,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:18,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:18,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:18,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:18,923 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:18,923 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:18,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:18,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2022-11-23 02:19:18,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:18,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:18,931 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:18,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2022-11-23 02:19:18,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:19:18,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:18,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:18,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:18,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:18,945 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:18,945 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:18,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:18,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2022-11-23 02:19:18,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:18,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:18,952 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:18,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2022-11-23 02:19:18,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:18,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:18,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:18,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:18,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:18,967 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:18,967 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:18,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:18,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:18,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:18,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:18,976 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:18,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2022-11-23 02:19:18,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:18,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:18,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:18,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:18,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:18,990 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:18,990 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:19,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:19,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:19,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:19,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:19,021 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:19,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:19:19,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:19,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:19,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:19,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:19,041 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:19,041 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:19,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2022-11-23 02:19:19,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:19,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:19,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:19,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:19,063 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:19,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:19,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:19,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:19,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:19,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:19,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2022-11-23 02:19:19,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:19,089 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:19,110 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 02:19:19,155 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2022-11-23 02:19:19,156 INFO L444 ModelExtractionUtils]: 6 out of 28 variables were initially zero. Simplification set additionally 19 variables to zero. [2022-11-23 02:19:19,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:19,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:19,162 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:19,164 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 02:19:19,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2022-11-23 02:19:19,185 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-23 02:19:19,185 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 02:19:19,185 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, ULTIMATE.start_sep_~i~0#1) = 3*~N~0 - 4*ULTIMATE.start_sep_~i~0#1 Supporting invariants [] [2022-11-23 02:19:19,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:19,366 INFO L156 tatePredicateManager]: 38 out of 39 supporting invariants were superfluous and have been removed [2022-11-23 02:19:19,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:19,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 02:19:19,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:19:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:19,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 02:19:19,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:19:19,603 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 02:19:19,603 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2022-11-23 02:19:19,604 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 70 states and 90 transitions. cyclomatic complexity: 28 Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:19:19,789 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 70 states and 90 transitions. cyclomatic complexity: 28. Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 139 states and 180 transitions. Complement of second has 12 states. [2022-11-23 02:19:19,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 7 stem states 1 non-accepting loop states 2 accepting loop states [2022-11-23 02:19:19,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:19:19,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 56 transitions. [2022-11-23 02:19:19,791 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 56 transitions. Stem has 25 letters. Loop has 3 letters. [2022-11-23 02:19:19,791 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 02:19:19,791 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 56 transitions. Stem has 28 letters. Loop has 3 letters. [2022-11-23 02:19:19,791 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 02:19:19,791 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 56 transitions. Stem has 25 letters. Loop has 6 letters. [2022-11-23 02:19:19,792 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 02:19:19,792 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 139 states and 180 transitions. [2022-11-23 02:19:19,793 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-23 02:19:19,794 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 139 states to 88 states and 113 transitions. [2022-11-23 02:19:19,794 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2022-11-23 02:19:19,794 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2022-11-23 02:19:19,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 88 states and 113 transitions. [2022-11-23 02:19:19,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:19:19,795 INFO L218 hiAutomatonCegarLoop]: Abstraction has 88 states and 113 transitions. [2022-11-23 02:19:19,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states and 113 transitions. [2022-11-23 02:19:19,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 78. [2022-11-23 02:19:19,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 78 states have (on average 1.2564102564102564) internal successors, (98), 77 states have internal predecessors, (98), 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 02:19:19,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 98 transitions. [2022-11-23 02:19:19,799 INFO L240 hiAutomatonCegarLoop]: Abstraction has 78 states and 98 transitions. [2022-11-23 02:19:19,799 INFO L428 stractBuchiCegarLoop]: Abstraction has 78 states and 98 transitions. [2022-11-23 02:19:19,799 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-11-23 02:19:19,799 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states and 98 transitions. [2022-11-23 02:19:19,800 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-23 02:19:19,800 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:19:19,800 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:19:19,801 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:19:19,801 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-23 02:19:19,801 INFO L748 eck$LassoCheckResult]: Stem: 2601#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int(115, 2, 0, 1);call write~init~int(101, 2, 1, 1);call write~init~int(112, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 2602#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2617#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 2622#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 2624#L22 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 2672#L20-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 2677#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 2675#L22 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 2674#L20-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 2673#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 2665#L22 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 2666#L20-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 2664#L20-3 assume !(sep_~i~0#1 < ~N~0); 2619#L20-4 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 2605#L27 main_#t~ret6#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 2606#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 2647#L22-2 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 2629#L20-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 2609#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 2610#L22-2 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 2642#L20-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 2631#L20-8 assume !(sep_~i~0#1 < ~N~0); 2632#L20-9 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 2639#L27-1 main_#t~ret9#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 2637#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem12#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int(main_#t~mem12#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem12#1; 2636#L46-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 2635#L46-3 assume !(main_~i~1#1 < ~N~0 - 1); 2634#L46-4 call write~int(main_~temp~0#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (~N~0 - 1), 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 2623#L20-13 [2022-11-23 02:19:19,802 INFO L750 eck$LassoCheckResult]: Loop: 2623#L20-13 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 2630#L22-4 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 2616#L20-12 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 2623#L20-13 [2022-11-23 02:19:19,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:19,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1339196588, now seen corresponding path program 1 times [2022-11-23 02:19:19,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:19,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433893120] [2022-11-23 02:19:19,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:19,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:19,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:19,972 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 02:19:19,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:19:19,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433893120] [2022-11-23 02:19:19,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433893120] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:19:19,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281824339] [2022-11-23 02:19:19,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:19,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:19:19,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:19,974 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:19:19,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (94)] Waiting until timeout for monitored process [2022-11-23 02:19:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:20,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-23 02:19:20,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:19:20,150 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 02:19:20,151 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:19:20,220 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 02:19:20,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281824339] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 02:19:20,221 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 02:19:20,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2022-11-23 02:19:20,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950306390] [2022-11-23 02:19:20,221 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 02:19:20,221 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-23 02:19:20,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:20,222 INFO L85 PathProgramCache]: Analyzing trace with hash 98408, now seen corresponding path program 4 times [2022-11-23 02:19:20,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:20,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323948009] [2022-11-23 02:19:20,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:20,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:20,226 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:19:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:20,229 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:19:20,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:19:20,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-23 02:19:20,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2022-11-23 02:19:20,285 INFO L87 Difference]: Start difference. First operand 78 states and 98 transitions. cyclomatic complexity: 28 Second operand has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 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 02:19:20,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:19:20,449 INFO L93 Difference]: Finished difference Result 95 states and 120 transitions. [2022-11-23 02:19:20,449 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 95 states and 120 transitions. [2022-11-23 02:19:20,450 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-23 02:19:20,450 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 95 states to 95 states and 120 transitions. [2022-11-23 02:19:20,451 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2022-11-23 02:19:20,451 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2022-11-23 02:19:20,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 120 transitions. [2022-11-23 02:19:20,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:19:20,451 INFO L218 hiAutomatonCegarLoop]: Abstraction has 95 states and 120 transitions. [2022-11-23 02:19:20,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 120 transitions. [2022-11-23 02:19:20,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 82. [2022-11-23 02:19:20,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 82 states have (on average 1.2439024390243902) internal successors, (102), 81 states have internal predecessors, (102), 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 02:19:20,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 102 transitions. [2022-11-23 02:19:20,454 INFO L240 hiAutomatonCegarLoop]: Abstraction has 82 states and 102 transitions. [2022-11-23 02:19:20,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-23 02:19:20,456 INFO L428 stractBuchiCegarLoop]: Abstraction has 82 states and 102 transitions. [2022-11-23 02:19:20,456 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2022-11-23 02:19:20,456 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states and 102 transitions. [2022-11-23 02:19:20,457 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-23 02:19:20,457 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:19:20,457 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:19:20,457 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:19:20,458 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-23 02:19:20,458 INFO L748 eck$LassoCheckResult]: Stem: 2965#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int(115, 2, 0, 1);call write~init~int(101, 2, 1, 1);call write~init~int(112, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 2966#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2981#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 2988#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 2989#L22 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 3036#L20-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 3034#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3032#L22 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 3029#L20-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 3027#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3023#L22 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 3025#L20-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 3022#L20-3 assume !(sep_~i~0#1 < ~N~0); 3019#L20-4 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 3017#L27 main_#t~ret6#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 3015#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3012#L22-2 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 3011#L20-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 3010#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3009#L22-2 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 2999#L20-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 3000#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3045#L22-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 3046#L20-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 3044#L20-8 assume !(sep_~i~0#1 < ~N~0); 2967#L20-9 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 2968#L27-1 main_#t~ret9#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 2998#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem12#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int(main_#t~mem12#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem12#1; 3042#L46-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 3041#L46-3 assume !(main_~i~1#1 < ~N~0 - 1); 2977#L46-4 call write~int(main_~temp~0#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (~N~0 - 1), 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 2978#L20-13 [2022-11-23 02:19:20,458 INFO L750 eck$LassoCheckResult]: Loop: 2978#L20-13 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 2997#L22-4 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 2980#L20-12 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 2978#L20-13 [2022-11-23 02:19:20,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:20,459 INFO L85 PathProgramCache]: Analyzing trace with hash 762216936, now seen corresponding path program 2 times [2022-11-23 02:19:20,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:20,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765176308] [2022-11-23 02:19:20,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:20,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:20,577 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-23 02:19:20,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:19:20,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765176308] [2022-11-23 02:19:20,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765176308] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 02:19:20,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737112833] [2022-11-23 02:19:20,578 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 02:19:20,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 02:19:20,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:20,579 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 02:19:20,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (95)] Waiting until timeout for monitored process [2022-11-23 02:19:20,674 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 02:19:20,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 02:19:20,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 02:19:20,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:19:20,761 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-23 02:19:20,761 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 02:19:20,836 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-23 02:19:20,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737112833] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 02:19:20,837 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 02:19:20,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2022-11-23 02:19:20,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669607922] [2022-11-23 02:19:20,837 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 02:19:20,838 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-23 02:19:20,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:20,838 INFO L85 PathProgramCache]: Analyzing trace with hash 98408, now seen corresponding path program 5 times [2022-11-23 02:19:20,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:20,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872263314] [2022-11-23 02:19:20,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:20,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:20,842 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:19:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:20,845 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:19:20,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:19:20,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 02:19:20,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-11-23 02:19:20,902 INFO L87 Difference]: Start difference. First operand 82 states and 102 transitions. cyclomatic complexity: 28 Second operand has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 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 02:19:21,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:19:21,048 INFO L93 Difference]: Finished difference Result 91 states and 112 transitions. [2022-11-23 02:19:21,049 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 91 states and 112 transitions. [2022-11-23 02:19:21,049 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-23 02:19:21,050 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 91 states to 91 states and 112 transitions. [2022-11-23 02:19:21,050 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2022-11-23 02:19:21,050 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2022-11-23 02:19:21,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 112 transitions. [2022-11-23 02:19:21,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:19:21,050 INFO L218 hiAutomatonCegarLoop]: Abstraction has 91 states and 112 transitions. [2022-11-23 02:19:21,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 112 transitions. [2022-11-23 02:19:21,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 84. [2022-11-23 02:19:21,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 84 states have (on average 1.2261904761904763) internal successors, (103), 83 states have internal predecessors, (103), 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 02:19:21,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 103 transitions. [2022-11-23 02:19:21,053 INFO L240 hiAutomatonCegarLoop]: Abstraction has 84 states and 103 transitions. [2022-11-23 02:19:21,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-23 02:19:21,059 INFO L428 stractBuchiCegarLoop]: Abstraction has 84 states and 103 transitions. [2022-11-23 02:19:21,059 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2022-11-23 02:19:21,060 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states and 103 transitions. [2022-11-23 02:19:21,060 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-23 02:19:21,060 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 02:19:21,060 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 02:19:21,061 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:19:21,065 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-23 02:19:21,065 INFO L748 eck$LassoCheckResult]: Stem: 3345#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(6, 2);call write~init~int(115, 2, 0, 1);call write~init~int(101, 2, 1, 1);call write~init~int(112, 2, 2, 1);call write~init~int(46, 2, 3, 1);call write~init~int(99, 2, 4, 1);call write~init~int(0, 2, 5, 1);~N~0 := 0; 3346#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~ret9#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~post11#1, main_~i~1#1, main_#t~ret13#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;~N~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3360#L34 assume ~N~0 > 1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 3367#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3368#L22 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 3417#L20-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 3416#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3415#L22 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 3413#L20-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 3411#L20-3 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3406#L22 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 3409#L20-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 3405#L20-3 assume !(sep_~i~0#1 < ~N~0); 3403#L20-4 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 3401#L27 main_#t~ret6#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem8#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem8#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 3399#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3397#L22-2 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 3396#L20-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 3395#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3394#L22-2 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 3392#L20-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 3389#L20-8 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3390#L22-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 3381#L20-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 3382#L20-8 assume !(sep_~i~0#1 < ~N~0); 3347#L20-9 sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 3348#L27-1 main_#t~ret9#1 := sep_#res#1;assume { :end_inline_sep } true;main_~ret2~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;call main_#t~mem10#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem10#1;havoc main_#t~mem10#1;main_~i~1#1 := 0; 3371#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem12#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int(main_#t~mem12#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem12#1; 3372#L46-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 3373#L46-3 assume !!(main_~i~1#1 < ~N~0 - 1);call main_#t~mem12#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~1#1), 4);call write~int(main_#t~mem12#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~mem12#1; 3374#L46-2 main_#t~post11#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 3386#L46-3 assume !(main_~i~1#1 < ~N~0 - 1); 3356#L46-4 call write~int(main_~temp~0#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (~N~0 - 1), 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 3357#L20-13 [2022-11-23 02:19:21,066 INFO L750 eck$LassoCheckResult]: Loop: 3357#L20-13 assume !!(sep_~i~0#1 < ~N~0);call sep_#t~mem2#1 := read~int(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 3375#L22-4 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 3359#L20-12 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 3357#L20-13 [2022-11-23 02:19:21,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:21,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1948874678, now seen corresponding path program 3 times [2022-11-23 02:19:21,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:21,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064859677] [2022-11-23 02:19:21,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:21,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:21,098 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:19:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:21,128 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:19:21,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:21,128 INFO L85 PathProgramCache]: Analyzing trace with hash 98408, now seen corresponding path program 6 times [2022-11-23 02:19:21,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:21,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020407209] [2022-11-23 02:19:21,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:21,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:21,134 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:19:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:21,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:19:21,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:21,138 INFO L85 PathProgramCache]: Analyzing trace with hash 442443647, now seen corresponding path program 2 times [2022-11-23 02:19:21,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:21,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852226894] [2022-11-23 02:19:21,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:21,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:21,181 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 02:19:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 02:19:21,219 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 02:19:27,045 WARN L233 SmtUtils]: Spent 5.76s on a formula simplification. DAG size of input: 355 DAG size of output: 280 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 02:19:28,312 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 02:19:28,312 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 02:19:28,312 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 02:19:28,312 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 02:19:28,312 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 02:19:28,312 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:28,313 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 02:19:28,313 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 02:19:28,313 INFO L133 ssoRankerPreferences]: Filename of dumped script: sep.i_Iteration15_Lasso [2022-11-23 02:19:28,313 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 02:19:28,313 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 02:19:28,316 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 02:19:28,319 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 02:19:28,321 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 02:19:28,323 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 02:19:28,325 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 02:19:28,332 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 02:19:28,334 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 02:19:28,336 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 02:19:30,193 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 02:19:30,196 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 02:19:30,198 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 02:19:30,201 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 02:19:30,202 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 02:19:30,204 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 02:19:30,206 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 02:19:30,208 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 02:19:30,210 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 02:19:30,211 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 02:19:30,213 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 02:19:30,216 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 02:19:30,217 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 02:19:30,220 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 02:19:30,824 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 02:19:30,824 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 02:19:30,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:30,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:30,832 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:30,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2022-11-23 02:19:30,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:30,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:30,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:30,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:30,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:30,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:30,845 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:30,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:30,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2022-11-23 02:19:30,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:30,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:30,852 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:30,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2022-11-23 02:19:30,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:30,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:30,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:19:30,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:30,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:30,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:30,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:19:30,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:19:30,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:30,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:30,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:30,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:30,869 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:30,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2022-11-23 02:19:30,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:30,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:30,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:19:30,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:30,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:30,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:30,882 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:19:30,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:19:30,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:30,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:30,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:30,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:30,888 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:30,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2022-11-23 02:19:30,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:30,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:30,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:19:30,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:30,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:30,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:30,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:19:30,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:19:30,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:30,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2022-11-23 02:19:30,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:30,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:30,906 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:30,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2022-11-23 02:19:30,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:19:30,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:30,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:19:30,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:30,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:30,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:30,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:19:30,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:19:30,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:30,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:30,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:30,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:30,925 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:30,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2022-11-23 02:19:30,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:19:30,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:30,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:19:30,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:30,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:30,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:30,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:19:30,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:19:30,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:30,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:30,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:30,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:30,943 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:30,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2022-11-23 02:19:30,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:30,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:30,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:19:30,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:30,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:30,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:30,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:19:30,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:19:30,957 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:30,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:30,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:30,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:30,961 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:30,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2022-11-23 02:19:30,963 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 02:19:30,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:30,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:30,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:30,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:30,976 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:30,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:30,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:30,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2022-11-23 02:19:30,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:30,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:30,986 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:30,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2022-11-23 02:19:30,988 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 02:19:30,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:30,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:30,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:30,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:31,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:31,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:31,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:31,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2022-11-23 02:19:31,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:31,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:31,008 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:31,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2022-11-23 02:19:31,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:31,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:31,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:31,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:31,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:31,022 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:31,022 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:31,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:31,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:31,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:31,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:31,029 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:31,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2022-11-23 02:19:31,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:31,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:31,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:31,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:31,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:31,043 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:31,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:31,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:31,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:31,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:31,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:31,051 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:31,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2022-11-23 02:19:31,054 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:31,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:31,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:31,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:31,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:31,066 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:31,066 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:31,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:31,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:31,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:31,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:31,075 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:31,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2022-11-23 02:19:31,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:31,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:31,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:31,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:31,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:31,089 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:31,089 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:31,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:31,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2022-11-23 02:19:31,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:31,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:31,099 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:31,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2022-11-23 02:19:31,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:31,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:31,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:31,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:31,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:31,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:31,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:31,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:31,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:31,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:31,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:31,123 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:31,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:31,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2022-11-23 02:19:31,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:31,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:31,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:31,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:31,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:31,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:31,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:31,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:31,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:31,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:31,145 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:31,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2022-11-23 02:19:31,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:31,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:31,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:31,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:31,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:31,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:31,159 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:31,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:31,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2022-11-23 02:19:31,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:31,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:31,166 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:31,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2022-11-23 02:19:31,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:31,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:31,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:31,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:31,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:31,182 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:31,183 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:31,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:31,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:31,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:31,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:31,205 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:31,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2022-11-23 02:19:31,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:19:31,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:31,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:31,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:31,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:31,220 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:31,220 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:31,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:31,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:31,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:31,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:31,228 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:31,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2022-11-23 02:19:31,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:19:31,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:31,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:31,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:31,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:31,242 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:31,242 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:31,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:31,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2022-11-23 02:19:31,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:31,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:31,250 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:31,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2022-11-23 02:19:31,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 02:19:31,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:31,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:31,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:31,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:31,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:31,265 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:31,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:31,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:31,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:31,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:31,272 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:31,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2022-11-23 02:19:31,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:31,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:31,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 02:19:31,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:31,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:31,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:31,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 02:19:31,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 02:19:31,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:31,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:31,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:31,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:31,290 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:31,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2022-11-23 02:19:31,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:31,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:31,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:31,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:31,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:31,304 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:31,305 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:31,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 02:19:31,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:31,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:31,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:31,315 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:31,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2022-11-23 02:19:31,318 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of 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 02:19:31,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 02:19:31,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 02:19:31,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 02:19:31,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 02:19:31,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 02:19:31,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 02:19:31,351 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 02:19:31,368 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-23 02:19:31,368 INFO L444 ModelExtractionUtils]: 18 out of 28 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-23 02:19:31,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 02:19:31,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:31,370 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:31,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2022-11-23 02:19:31,372 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 02:19:31,382 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-23 02:19:31,382 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 02:19:31,383 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, ULTIMATE.start_sep_~i~0#1) = 1*~N~0 - 1*ULTIMATE.start_sep_~i~0#1 Supporting invariants [] [2022-11-23 02:19:31,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:31,649 INFO L156 tatePredicateManager]: 39 out of 39 supporting invariants were superfluous and have been removed [2022-11-23 02:19:31,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:31,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 02:19:31,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:19:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:31,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 02:19:31,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 02:19:31,767 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 02:19:31,767 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-23 02:19:31,767 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 84 states and 103 transitions. cyclomatic complexity: 27 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 02:19:31,786 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 84 states and 103 transitions. cyclomatic complexity: 27. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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) Result 88 states and 110 transitions. Complement of second has 4 states. [2022-11-23 02:19:31,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-23 02:19:31,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 02:19:31,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 25 transitions. [2022-11-23 02:19:31,788 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 33 letters. Loop has 3 letters. [2022-11-23 02:19:31,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 02:19:31,788 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 36 letters. Loop has 3 letters. [2022-11-23 02:19:31,788 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 02:19:31,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 33 letters. Loop has 6 letters. [2022-11-23 02:19:31,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 02:19:31,789 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 88 states and 110 transitions. [2022-11-23 02:19:31,790 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-23 02:19:31,790 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 88 states to 0 states and 0 transitions. [2022-11-23 02:19:31,790 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-23 02:19:31,790 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-23 02:19:31,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-23 02:19:31,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:19:31,790 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 02:19:31,790 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 02:19:31,791 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 02:19:31,791 INFO L335 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2022-11-23 02:19:31,791 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-23 02:19:31,791 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-23 02:19:31,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-23 02:19:31,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:19:31 BoogieIcfgContainer [2022-11-23 02:19:31,798 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-23 02:19:31,798 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 02:19:31,798 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 02:19:31,798 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 02:19:31,799 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:18:50" (3/4) ... [2022-11-23 02:19:31,802 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 02:19:31,802 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 02:19:31,803 INFO L158 Benchmark]: Toolchain (without parser) took 41643.23ms. Allocated memory was 155.2MB in the beginning and 390.1MB in the end (delta: 234.9MB). Free memory was 123.3MB in the beginning and 136.4MB in the end (delta: -13.1MB). Peak memory consumption was 221.8MB. Max. memory is 16.1GB. [2022-11-23 02:19:31,803 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:19:31,803 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.78ms. Allocated memory is still 155.2MB. Free memory was 123.3MB in the beginning and 121.4MB in the end (delta: 1.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-23 02:19:31,803 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.52ms. Allocated memory is still 155.2MB. Free memory was 121.4MB in the beginning and 119.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:19:31,804 INFO L158 Benchmark]: Boogie Preprocessor took 46.95ms. Allocated memory is still 155.2MB. Free memory was 119.3MB in the beginning and 118.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:19:31,804 INFO L158 Benchmark]: RCFGBuilder took 412.74ms. Allocated memory is still 155.2MB. Free memory was 118.0MB in the beginning and 103.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 02:19:31,804 INFO L158 Benchmark]: BuchiAutomizer took 40801.83ms. Allocated memory was 155.2MB in the beginning and 390.1MB in the end (delta: 234.9MB). Free memory was 102.5MB in the beginning and 136.4MB in the end (delta: -33.9MB). Peak memory consumption was 202.6MB. Max. memory is 16.1GB. [2022-11-23 02:19:31,805 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 390.1MB. Free memory is still 136.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:19:31,806 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 125.8MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.78ms. Allocated memory is still 155.2MB. Free memory was 123.3MB in the beginning and 121.4MB in the end (delta: 1.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.52ms. Allocated memory is still 155.2MB. Free memory was 121.4MB in the beginning and 119.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.95ms. Allocated memory is still 155.2MB. Free memory was 119.3MB in the beginning and 118.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 412.74ms. Allocated memory is still 155.2MB. Free memory was 118.0MB in the beginning and 103.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 40801.83ms. Allocated memory was 155.2MB in the beginning and 390.1MB in the end (delta: 234.9MB). Free memory was 102.5MB in the beginning and 136.4MB in the end (delta: -33.9MB). Peak memory consumption was 202.6MB. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 390.1MB. Free memory is still 136.4MB. 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 15 terminating modules (10 trivial, 5 deterministic, 0 nondeterministic). One deterministic module has affine ranking function N + -1 * i and consists of 5 locations. One deterministic module has affine ranking function -4 * i + unknown-#length-unknown[x] and consists of 5 locations. One deterministic module has affine ranking function -4 * i + unknown-#length-unknown[x] and consists of 5 locations. One deterministic module has affine ranking function -4 * i + 3 * N and consists of 10 locations. One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. 10 modules have a trivial ranking function, the largest among these consists of 30 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 40.7s and 16 iterations. TraceHistogramMax:3. Analysis of lassos took 35.2s. Construction of modules took 2.2s. Büchi inclusion checks took 2.9s. Highest rank in rank-based complementation 3. Minimization of det autom 15. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 218 StatesRemovedByMinimization, 11 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 [5, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 889 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 887 mSDsluCounter, 1101 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 797 mSDsCounter, 214 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2423 IncrementalHoareTripleChecker+Invalid, 2637 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 214 mSolverCounterUnsat, 304 mSDtfsCounter, 2423 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU8 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital281 mio100 ax100 hnf100 lsp93 ukn80 mio100 lsp38 div148 bol100 ite100 ukn100 eq164 hnf93 smp78 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 43ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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 02:19:31,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:32,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (95)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:32,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (94)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:32,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:32,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2022-11-23 02:19:32,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2022-11-23 02:19:33,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2022-11-23 02:19:33,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-11-23 02:19:33,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b191b23-086b-4578-83e3-b5561b47284b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE