./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8 --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 991fb09b573d5827d0db553f1ea89a581f5a664ba8b68d6f14a043df738f2f6d --- 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-2329fc7 [2022-12-13 22:03:47,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:03:47,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:03:47,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:03:47,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:03:47,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:03:47,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:03:47,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:03:47,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:03:47,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:03:47,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:03:47,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:03:47,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:03:47,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:03:47,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:03:47,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:03:47,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:03:47,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:03:47,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:03:47,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:03:47,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:03:47,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:03:47,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:03:47,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:03:47,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:03:47,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:03:47,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:03:47,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:03:47,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:03:47,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:03:47,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:03:47,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:03:47,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:03:47,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:03:47,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:03:47,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:03:47,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:03:47,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:03:47,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:03:47,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:03:47,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:03:47,455 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 22:03:47,474 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:03:47,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:03:47,475 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:03:47,475 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:03:47,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:03:47,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:03:47,476 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:03:47,476 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 22:03:47,476 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 22:03:47,476 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 22:03:47,477 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 22:03:47,477 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 22:03:47,477 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 22:03:47,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:03:47,477 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 22:03:47,477 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:03:47,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:03:47,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 22:03:47,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:03:47,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 22:03:47,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 22:03:47,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 22:03:47,478 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 22:03:47,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:03:47,478 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 22:03:47,479 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:03:47,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 22:03:47,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:03:47,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:03:47,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:03:47,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:03:47,480 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 22:03:47,480 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_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 991fb09b573d5827d0db553f1ea89a581f5a664ba8b68d6f14a043df738f2f6d [2022-12-13 22:03:47,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:03:47,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:03:47,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:03:47,704 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:03:47,704 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:03:47,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i [2022-12-13 22:03:50,292 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:03:50,491 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:03:50,491 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i [2022-12-13 22:03:50,501 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/data/459dd99bc/112515ded86145cc86696ec927df9836/FLAGfc35d1e39 [2022-12-13 22:03:50,872 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/data/459dd99bc/112515ded86145cc86696ec927df9836 [2022-12-13 22:03:50,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:03:50,877 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:03:50,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:03:50,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:03:50,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:03:50,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:03:50" (1/1) ... [2022-12-13 22:03:50,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f3da092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:03:50, skipping insertion in model container [2022-12-13 22:03:50,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:03:50" (1/1) ... [2022-12-13 22:03:50,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:03:50,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:03:51,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:03:51,145 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:03:51,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:03:51,205 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:03:51,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:03:51 WrapperNode [2022-12-13 22:03:51,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:03:51,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:03:51,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:03:51,207 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:03:51,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:03:51" (1/1) ... [2022-12-13 22:03:51,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:03:51" (1/1) ... [2022-12-13 22:03:51,244 INFO L138 Inliner]: procedures = 119, calls = 23, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 156 [2022-12-13 22:03:51,244 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:03:51,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:03:51,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:03:51,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:03:51,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:03:51" (1/1) ... [2022-12-13 22:03:51,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:03:51" (1/1) ... [2022-12-13 22:03:51,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:03:51" (1/1) ... [2022-12-13 22:03:51,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:03:51" (1/1) ... [2022-12-13 22:03:51,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:03:51" (1/1) ... [2022-12-13 22:03:51,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:03:51" (1/1) ... [2022-12-13 22:03:51,268 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:03:51" (1/1) ... [2022-12-13 22:03:51,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:03:51" (1/1) ... [2022-12-13 22:03:51,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:03:51,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:03:51,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:03:51,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:03:51,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:03:51" (1/1) ... [2022-12-13 22:03:51,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:51,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:51,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:51,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 22:03:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 22:03:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 22:03:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 22:03:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 22:03:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:03:51,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:03:51,433 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:03:51,435 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:03:51,627 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:03:51,634 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:03:51,634 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-13 22:03:51,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:03:51 BoogieIcfgContainer [2022-12-13 22:03:51,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:03:51,637 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 22:03:51,637 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 22:03:51,641 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 22:03:51,642 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 22:03:51,642 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 10:03:50" (1/3) ... [2022-12-13 22:03:51,643 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31e1a707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 10:03:51, skipping insertion in model container [2022-12-13 22:03:51,644 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 22:03:51,644 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:03:51" (2/3) ... [2022-12-13 22:03:51,644 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31e1a707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 10:03:51, skipping insertion in model container [2022-12-13 22:03:51,644 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 22:03:51,644 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:03:51" (3/3) ... [2022-12-13 22:03:51,646 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrstr-alloca-2.i [2022-12-13 22:03:51,687 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 22:03:51,688 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 22:03:51,688 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 22:03:51,688 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 22:03:51,688 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 22:03:51,688 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 22:03:51,688 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 22:03:51,688 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 22:03:51,691 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:51,709 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 21 [2022-12-13 22:03:51,709 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:03:51,710 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:03:51,714 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-12-13 22:03:51,714 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 22:03:51,714 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 22:03:51,715 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:51,717 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 21 [2022-12-13 22:03:51,717 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:03:51,718 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:03:51,718 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-12-13 22:03:51,718 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 22:03:51,726 INFO L748 eck$LassoCheckResult]: Stem: 33#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 30#L555true assume !(main_~length1~0#1 < 1); 28#L555-2true assume !(main_~length2~0#1 < 1); 7#L558-1true call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 36#L564-3true [2022-12-13 22:03:51,726 INFO L750 eck$LassoCheckResult]: Loop: 36#L564-3true assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 23#L564-2true main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 36#L564-3true [2022-12-13 22:03:51,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:51,732 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-12-13 22:03:51,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:51,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830275235] [2022-12-13 22:03:51,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:51,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:03:51,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:03:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:03:51,864 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:03:51,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:51,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2022-12-13 22:03:51,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:51,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155279878] [2022-12-13 22:03:51,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:51,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:51,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:03:51,878 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:03:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:03:51,886 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:03:51,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:51,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2022-12-13 22:03:51,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:51,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206081186] [2022-12-13 22:03:51,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:51,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:03:51,922 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:03:51,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:03:51,944 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:03:52,257 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:03:52,258 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:03:52,258 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:03:52,258 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:03:52,259 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 22:03:52,259 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:52,259 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:03:52,259 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:03:52,259 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-2.i_Iteration1_Lasso [2022-12-13 22:03:52,259 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:03:52,260 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:03:52,280 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:52,289 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:52,294 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:52,296 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:52,298 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:52,301 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:52,303 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:52,305 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:52,307 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:52,310 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:52,311 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:52,314 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:52,316 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:52,318 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:52,319 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:52,321 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:52,773 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:03:52,777 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 22:03:52,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:52,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:52,780 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:52,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 22:03:52,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:03:52,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:03:52,795 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:03:52,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:03:52,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:03:52,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:03:52,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:03:52,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:03:52,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:03:52,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 22:03:52,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:52,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:52,804 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:52,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 22:03:52,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:03:52,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:03:52,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:03:52,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:03:52,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:03:52,821 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:03:52,821 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:03:52,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:03:52,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 22:03:52,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:52,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:52,830 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:52,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 22:03:52,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:03:52,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:03:52,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:03:52,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:03:52,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:03:52,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:03:52,845 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:03:52,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:03:52,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:03:52,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-12-13 22:03:52,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:52,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:52,851 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:52,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 22:03:52,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:03:52,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:03:52,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:03:52,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:03:52,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:03:52,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:03:52,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:03:52,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:03:52,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:03:52,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 22:03:52,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:52,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:52,869 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:52,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 22:03:52,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:03:52,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:03:52,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:03:52,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:03:52,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:03:52,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:03:52,882 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:03:52,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:03:52,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:03:52,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 22:03:52,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:52,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:52,888 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:52,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 22:03:52,890 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 [2022-12-13 22:03:52,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:03:52,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:03:52,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:03:52,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:03:52,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:03:52,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:03:52,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:03:52,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:03:52,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 22:03:52,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:52,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:52,907 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:52,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 22:03:52,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:03:52,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:03:52,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:03:52,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:03:52,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:03:52,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:03:52,922 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:03:52,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:03:52,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-12-13 22:03:52,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:52,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:52,929 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:52,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 22:03:52,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:03:52,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:03:52,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:03:52,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:03:52,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:03:52,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:03:52,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:03:52,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:03:52,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:03:52,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 22:03:52,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:52,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:52,948 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:52,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 22:03:52,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:03:52,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:03:52,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:03:52,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:03:52,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:03:52,963 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:03:52,963 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:03:52,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:03:52,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-12-13 22:03:52,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:52,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:52,971 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:52,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 22:03:52,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:03:52,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:03:52,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:03:52,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:03:52,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:03:52,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:03:52,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:03:52,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:03:52,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:03:52,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-12-13 22:03:52,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:52,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:52,989 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:52,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 22:03:52,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:03:53,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:03:53,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:03:53,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:03:53,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:03:53,004 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:03:53,004 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:03:53,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:03:53,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-12-13 22:03:53,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:53,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:53,012 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:53,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 22:03:53,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:03:53,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:03:53,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:03:53,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:03:53,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:03:53,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:03:53,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:03:53,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:03:53,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:03:53,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-12-13 22:03:53,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:53,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:53,030 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:53,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 22:03:53,032 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 [2022-12-13 22:03:53,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:03:53,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:03:53,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:03:53,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:03:53,044 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:03:53,044 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:03:53,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:03:53,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-12-13 22:03:53,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:53,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:53,052 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:53,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-12-13 22:03:53,054 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 [2022-12-13 22:03:53,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:03:53,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:03:53,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:03:53,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:03:53,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:03:53,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:03:53,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:03:53,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:03:53,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-12-13 22:03:53,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:53,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:53,071 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:53,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-12-13 22:03:53,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:03:53,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:03:53,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:03:53,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:03:53,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:03:53,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:03:53,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:03:53,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:03:53,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-12-13 22:03:53,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:53,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:53,093 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:53,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-12-13 22:03:53,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:03:53,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:03:53,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:03:53,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:03:53,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:03:53,110 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:03:53,110 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:03:53,122 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 22:03:53,164 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2022-12-13 22:03:53,164 INFO L444 ModelExtractionUtils]: 2 out of 22 variables were initially zero. Simplification set additionally 17 variables to zero. [2022-12-13 22:03:53,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:53,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:53,196 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:53,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-12-13 22:03:53,198 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 22:03:53,209 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 22:03:53,209 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 22:03:53,210 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~length1~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-12-13 22:03:53,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-12-13 22:03:53,233 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-12-13 22:03:53,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:53,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 22:03:53,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:03:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:53,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 22:03:53,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:03:53,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:03:53,321 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 [2022-12-13 22:03:53,323 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:53,371 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 37 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 99 states and 145 transitions. Complement of second has 7 states. [2022-12-13 22:03:53,373 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 [2022-12-13 22:03:53,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:53,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 99 transitions. [2022-12-13 22:03:53,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 99 transitions. Stem has 5 letters. Loop has 2 letters. [2022-12-13 22:03:53,379 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:03:53,379 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 99 transitions. Stem has 7 letters. Loop has 2 letters. [2022-12-13 22:03:53,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:03:53,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 99 transitions. Stem has 5 letters. Loop has 4 letters. [2022-12-13 22:03:53,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:03:53,380 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 145 transitions. [2022-12-13 22:03:53,384 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 19 [2022-12-13 22:03:53,387 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 32 states and 43 transitions. [2022-12-13 22:03:53,388 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2022-12-13 22:03:53,388 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2022-12-13 22:03:53,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 43 transitions. [2022-12-13 22:03:53,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:03:53,388 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 43 transitions. [2022-12-13 22:03:53,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 43 transitions. [2022-12-13 22:03:53,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-12-13 22:03:53,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.34375) internal successors, (43), 31 states have internal predecessors, (43), 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) [2022-12-13 22:03:53,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 43 transitions. [2022-12-13 22:03:53,411 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 43 transitions. [2022-12-13 22:03:53,412 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 43 transitions. [2022-12-13 22:03:53,412 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 22:03:53,412 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 43 transitions. [2022-12-13 22:03:53,412 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 19 [2022-12-13 22:03:53,412 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:03:53,412 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:03:53,412 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:03:53,413 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 22:03:53,413 INFO L748 eck$LassoCheckResult]: Stem: 238#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 220#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 221#L555 assume !(main_~length1~0#1 < 1); 236#L555-2 assume !(main_~length2~0#1 < 1); 216#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 217#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 235#L564-4 main_~i~1#1 := 0; 228#L568-3 [2022-12-13 22:03:53,413 INFO L750 eck$LassoCheckResult]: Loop: 228#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 230#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 228#L568-3 [2022-12-13 22:03:53,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:53,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2022-12-13 22:03:53,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:53,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245283903] [2022-12-13 22:03:53,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:53,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:53,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:53,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:03:53,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:03:53,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245283903] [2022-12-13 22:03:53,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245283903] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:03:53,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:03:53,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 22:03:53,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408663529] [2022-12-13 22:03:53,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:03:53,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-12-13 22:03:53,491 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 22:03:53,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:53,492 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2022-12-13 22:03:53,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:53,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731189959] [2022-12-13 22:03:53,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:53,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:03:53,499 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:03:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:03:53,503 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:03:53,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:03:53,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 22:03:53,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 22:03:53,536 INFO L87 Difference]: Start difference. First operand 32 states and 43 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:53,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:03:53,559 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2022-12-13 22:03:53,559 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 43 transitions. [2022-12-13 22:03:53,560 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 19 [2022-12-13 22:03:53,561 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 43 transitions. [2022-12-13 22:03:53,561 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2022-12-13 22:03:53,561 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2022-12-13 22:03:53,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 43 transitions. [2022-12-13 22:03:53,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:03:53,562 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 43 transitions. [2022-12-13 22:03:53,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 43 transitions. [2022-12-13 22:03:53,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2022-12-13 22:03:53,564 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) [2022-12-13 22:03:53,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 42 transitions. [2022-12-13 22:03:53,564 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 42 transitions. [2022-12-13 22:03:53,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 22:03:53,565 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 42 transitions. [2022-12-13 22:03:53,566 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 22:03:53,566 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 42 transitions. [2022-12-13 22:03:53,566 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 19 [2022-12-13 22:03:53,566 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:03:53,566 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:03:53,567 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:03:53,567 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 22:03:53,567 INFO L748 eck$LassoCheckResult]: Stem: 310#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 293#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 294#L555 assume !(main_~length1~0#1 < 1); 308#L555-2 assume !(main_~length2~0#1 < 1); 288#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 289#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 304#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 305#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 307#L564-4 main_~i~1#1 := 0; 299#L568-3 [2022-12-13 22:03:53,567 INFO L750 eck$LassoCheckResult]: Loop: 299#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 301#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 299#L568-3 [2022-12-13 22:03:53,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:53,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1298440016, now seen corresponding path program 1 times [2022-12-13 22:03:53,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:53,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689299159] [2022-12-13 22:03:53,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:53,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:03:53,583 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:03:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:03:53,596 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:03:53,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:53,597 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 2 times [2022-12-13 22:03:53,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:53,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156907733] [2022-12-13 22:03:53,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:53,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:03:53,603 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:03:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:03:53,607 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:03:53,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:53,608 INFO L85 PathProgramCache]: Analyzing trace with hash -2034626574, now seen corresponding path program 1 times [2022-12-13 22:03:53,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:53,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825683507] [2022-12-13 22:03:53,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:53,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:03:53,625 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:03:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:03:53,640 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:03:53,963 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:03:53,963 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:03:53,963 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:03:53,963 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:03:53,963 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 22:03:53,963 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:53,964 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:03:53,964 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:03:53,964 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-2.i_Iteration3_Lasso [2022-12-13 22:03:53,964 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:03:53,964 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:03:53,967 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:53,969 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:53,970 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:53,973 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:54,184 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:54,186 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:54,188 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:54,189 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:54,191 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:54,192 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:54,194 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:54,196 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:54,197 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:54,199 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:54,485 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:03:54,485 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 22:03:54,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:54,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:54,486 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:54,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-12-13 22:03:54,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:03:54,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:03:54,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:03:54,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:03:54,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:03:54,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:03:54,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:03:54,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:03:54,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:03:54,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-12-13 22:03:54,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:54,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:54,504 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:54,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-12-13 22:03:54,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:03:54,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:03:54,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:03:54,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:03:54,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:03:54,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:03:54,517 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:03:54,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:03:54,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:03:54,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-12-13 22:03:54,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:54,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:54,522 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:54,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-12-13 22:03:54,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:03:54,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:03:54,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:03:54,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:03:54,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:03:54,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:03:54,536 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:03:54,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:03:54,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-12-13 22:03:54,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:54,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:54,542 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:54,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-12-13 22:03:54,544 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 [2022-12-13 22:03:54,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:03:54,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:03:54,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:03:54,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:03:54,558 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:03:54,558 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:03:54,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:03:54,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-12-13 22:03:54,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:54,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:54,567 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:54,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-12-13 22:03:54,569 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 [2022-12-13 22:03:54,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:03:54,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:03:54,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:03:54,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:03:54,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:03:54,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:03:54,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:03:54,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:03:54,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-12-13 22:03:54,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:54,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:54,584 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:54,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-12-13 22:03:54,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:03:54,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:03:54,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:03:54,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:03:54,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:03:54,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:03:54,597 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:03:54,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:03:54,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-12-13 22:03:54,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:54,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:54,604 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:54,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-12-13 22:03:54,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:03:54,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:03:54,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:03:54,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:03:54,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:03:54,618 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:03:54,618 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:03:54,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:03:54,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-12-13 22:03:54,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:54,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:54,626 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:54,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-12-13 22:03:54,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:03:54,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:03:54,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:03:54,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:03:54,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:03:54,640 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:03:54,640 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:03:54,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:03:54,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-12-13 22:03:54,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:54,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:54,646 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:54,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-12-13 22:03:54,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:03:54,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:03:54,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:03:54,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:03:54,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:03:54,660 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:03:54,660 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:03:54,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:03:54,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-12-13 22:03:54,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:54,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:54,667 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:54,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-12-13 22:03:54,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:03:54,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:03:54,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:03:54,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:03:54,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:03:54,680 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:03:54,680 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:03:54,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:03:54,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-12-13 22:03:54,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:54,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:54,686 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:54,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-12-13 22:03:54,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:03:54,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:03:54,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:03:54,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:03:54,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:03:54,705 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:03:54,705 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:03:54,719 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 22:03:54,750 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2022-12-13 22:03:54,750 INFO L444 ModelExtractionUtils]: 16 out of 34 variables were initially zero. Simplification set additionally 15 variables to zero. [2022-12-13 22:03:54,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:54,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:54,751 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:03:54,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-12-13 22:03:54,753 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 22:03:54,764 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 22:03:54,764 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 22:03:54,764 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, ULTIMATE.start_main_~length2~0#1) = -1*ULTIMATE.start_main_~i~1#1 + 1*ULTIMATE.start_main_~length2~0#1 Supporting invariants [] [2022-12-13 22:03:54,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-12-13 22:03:54,785 INFO L156 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2022-12-13 22:03:54,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:54,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 22:03:54,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:03:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:54,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 22:03:54,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:03:54,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:03:54,833 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 [2022-12-13 22:03:54,833 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 42 transitions. cyclomatic complexity: 14 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:54,852 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 42 transitions. cyclomatic complexity: 14. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 55 states and 75 transitions. Complement of second has 6 states. [2022-12-13 22:03:54,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-12-13 22:03:54,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:54,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 41 transitions. [2022-12-13 22:03:54,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 41 transitions. Stem has 9 letters. Loop has 2 letters. [2022-12-13 22:03:54,853 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:03:54,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 41 transitions. Stem has 11 letters. Loop has 2 letters. [2022-12-13 22:03:54,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:03:54,854 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 41 transitions. Stem has 9 letters. Loop has 4 letters. [2022-12-13 22:03:54,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:03:54,854 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 75 transitions. [2022-12-13 22:03:54,854 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2022-12-13 22:03:54,855 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 33 states and 44 transitions. [2022-12-13 22:03:54,855 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2022-12-13 22:03:54,855 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2022-12-13 22:03:54,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 44 transitions. [2022-12-13 22:03:54,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:03:54,855 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 44 transitions. [2022-12-13 22:03:54,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 44 transitions. [2022-12-13 22:03:54,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-12-13 22:03:54,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 32 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) [2022-12-13 22:03:54,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2022-12-13 22:03:54,857 INFO L240 hiAutomatonCegarLoop]: Abstraction has 33 states and 44 transitions. [2022-12-13 22:03:54,857 INFO L428 stractBuchiCegarLoop]: Abstraction has 33 states and 44 transitions. [2022-12-13 22:03:54,857 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 22:03:54,857 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 44 transitions. [2022-12-13 22:03:54,857 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2022-12-13 22:03:54,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:03:54,857 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:03:54,858 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:03:54,858 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 22:03:54,858 INFO L748 eck$LassoCheckResult]: Stem: 480#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 462#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 463#L555 assume !(main_~length1~0#1 < 1); 479#L555-2 assume !(main_~length2~0#1 < 1); 457#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 458#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 475#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 476#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 478#L564-4 main_~i~1#1 := 0; 469#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 470#L568-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 477#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 467#L518-4 [2022-12-13 22:03:54,858 INFO L750 eck$LassoCheckResult]: Loop: 467#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 468#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 481#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 467#L518-4 [2022-12-13 22:03:54,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:54,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1351083894, now seen corresponding path program 1 times [2022-12-13 22:03:54,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:54,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650615434] [2022-12-13 22:03:54,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:54,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:54,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-12-13 22:03:54,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 22:03:54,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:03:54,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650615434] [2022-12-13 22:03:54,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650615434] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:03:54,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:03:54,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 22:03:54,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550570714] [2022-12-13 22:03:54,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:03:54,927 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 22:03:54,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:54,928 INFO L85 PathProgramCache]: Analyzing trace with hash 79603, now seen corresponding path program 1 times [2022-12-13 22:03:54,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:54,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596360671] [2022-12-13 22:03:54,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:54,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:03:54,932 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:03:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:03:54,936 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:03:54,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:03:54,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 22:03:54,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 22:03:54,964 INFO L87 Difference]: Start difference. First operand 33 states and 44 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:54,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:03:54,980 INFO L93 Difference]: Finished difference Result 34 states and 44 transitions. [2022-12-13 22:03:54,980 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 44 transitions. [2022-12-13 22:03:54,981 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2022-12-13 22:03:54,982 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 34 states and 44 transitions. [2022-12-13 22:03:54,982 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2022-12-13 22:03:54,982 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2022-12-13 22:03:54,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 44 transitions. [2022-12-13 22:03:54,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:03:54,982 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 44 transitions. [2022-12-13 22:03:54,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 44 transitions. [2022-12-13 22:03:54,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2022-12-13 22:03:54,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.303030303030303) internal successors, (43), 32 states have internal predecessors, (43), 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) [2022-12-13 22:03:54,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2022-12-13 22:03:54,985 INFO L240 hiAutomatonCegarLoop]: Abstraction has 33 states and 43 transitions. [2022-12-13 22:03:54,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 22:03:54,986 INFO L428 stractBuchiCegarLoop]: Abstraction has 33 states and 43 transitions. [2022-12-13 22:03:54,986 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-12-13 22:03:54,986 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 43 transitions. [2022-12-13 22:03:54,987 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2022-12-13 22:03:54,987 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:03:54,987 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:03:54,987 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:03:54,987 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 22:03:54,988 INFO L748 eck$LassoCheckResult]: Stem: 554#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 537#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 538#L555 assume !(main_~length1~0#1 < 1); 553#L555-2 assume !(main_~length2~0#1 < 1); 531#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 532#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 549#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 550#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 552#L564-4 main_~i~1#1 := 0; 543#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 544#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 545#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 546#L568-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 551#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 541#L518-4 [2022-12-13 22:03:54,988 INFO L750 eck$LassoCheckResult]: Loop: 541#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 542#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 555#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 541#L518-4 [2022-12-13 22:03:54,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:54,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1313217428, now seen corresponding path program 1 times [2022-12-13 22:03:54,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:54,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500669626] [2022-12-13 22:03:54,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:54,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:55,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 22:03:55,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:03:55,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500669626] [2022-12-13 22:03:55,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500669626] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:03:55,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463688546] [2022-12-13 22:03:55,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:55,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:03:55,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:55,268 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:03:55,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-12-13 22:03:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:55,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-13 22:03:55,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:03:55,433 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 34 treesize of output 32 [2022-12-13 22:03:55,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 22:03:55,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 22:03:55,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 22:03:55,448 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 22:03:55,463 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 34 treesize of output 32 [2022-12-13 22:03:55,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24 [2022-12-13 22:03:55,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2022-12-13 22:03:55,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 22:03:55,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463688546] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 22:03:55,645 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 22:03:55,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2022-12-13 22:03:55,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322835286] [2022-12-13 22:03:55,645 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 22:03:55,645 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 22:03:55,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:55,645 INFO L85 PathProgramCache]: Analyzing trace with hash 79603, now seen corresponding path program 2 times [2022-12-13 22:03:55,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:55,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563307443] [2022-12-13 22:03:55,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:55,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:03:55,649 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:03:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:03:55,651 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:03:55,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:03:55,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-13 22:03:55,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2022-12-13 22:03:55,678 INFO L87 Difference]: Start difference. First operand 33 states and 43 transitions. cyclomatic complexity: 14 Second operand has 16 states, 15 states have (on average 2.1333333333333333) internal successors, (32), 16 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:55,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:03:55,804 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2022-12-13 22:03:55,804 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 48 transitions. [2022-12-13 22:03:55,805 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2022-12-13 22:03:55,805 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 36 states and 46 transitions. [2022-12-13 22:03:55,805 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2022-12-13 22:03:55,805 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2022-12-13 22:03:55,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 46 transitions. [2022-12-13 22:03:55,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:03:55,806 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 46 transitions. [2022-12-13 22:03:55,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 46 transitions. [2022-12-13 22:03:55,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2022-12-13 22:03:55,807 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) [2022-12-13 22:03:55,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2022-12-13 22:03:55,807 INFO L240 hiAutomatonCegarLoop]: Abstraction has 35 states and 45 transitions. [2022-12-13 22:03:55,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 22:03:55,808 INFO L428 stractBuchiCegarLoop]: Abstraction has 35 states and 45 transitions. [2022-12-13 22:03:55,808 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-12-13 22:03:55,809 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 45 transitions. [2022-12-13 22:03:55,809 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2022-12-13 22:03:55,809 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:03:55,809 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:03:55,810 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:03:55,810 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 22:03:55,810 INFO L748 eck$LassoCheckResult]: Stem: 733#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 714#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 715#L555 assume !(main_~length1~0#1 < 1); 732#L555-2 assume !(main_~length2~0#1 < 1); 709#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 710#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 727#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 728#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 731#L564-4 main_~i~1#1 := 0; 721#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 722#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 723#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 724#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 735#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 729#L568-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 730#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 719#L518-4 [2022-12-13 22:03:55,810 INFO L750 eck$LassoCheckResult]: Loop: 719#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 720#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 734#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 719#L518-4 [2022-12-13 22:03:55,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:55,810 INFO L85 PathProgramCache]: Analyzing trace with hash -716718030, now seen corresponding path program 2 times [2022-12-13 22:03:55,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:55,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820198945] [2022-12-13 22:03:55,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:55,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:03:55,824 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:03:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:03:55,842 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:03:55,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:55,842 INFO L85 PathProgramCache]: Analyzing trace with hash 79603, now seen corresponding path program 3 times [2022-12-13 22:03:55,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:55,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837390107] [2022-12-13 22:03:55,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:55,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:03:55,846 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:03:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:03:55,849 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:03:55,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:55,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1464353502, now seen corresponding path program 1 times [2022-12-13 22:03:55,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:55,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101991289] [2022-12-13 22:03:55,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:55,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:56,143 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 22:03:56,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:03:56,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101991289] [2022-12-13 22:03:56,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101991289] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:03:56,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071670242] [2022-12-13 22:03:56,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:56,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:03:56,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:03:56,145 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:03:56,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-12-13 22:03:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:03:56,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-13 22:03:56,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:03:56,326 INFO L321 Elim1Store]: treesize reduction 32, result has 37.3 percent of original size [2022-12-13 22:03:56,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 80 [2022-12-13 22:03:56,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2022-12-13 22:03:56,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2022-12-13 22:03:56,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2022-12-13 22:03:56,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 3 [2022-12-13 22:03:56,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-13 22:03:56,460 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 22:03:56,460 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 22:03:56,483 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 38 treesize of output 36 [2022-12-13 22:03:56,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2022-12-13 22:03:56,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2022-12-13 22:03:56,687 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 22:03:56,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071670242] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 22:03:56,687 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 22:03:56,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2022-12-13 22:03:56,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119735781] [2022-12-13 22:03:56,687 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 22:03:56,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:03:56,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 22:03:56,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=458, Unknown=0, NotChecked=0, Total=552 [2022-12-13 22:03:56,715 INFO L87 Difference]: Start difference. First operand 35 states and 45 transitions. cyclomatic complexity: 14 Second operand has 24 states, 24 states have (on average 1.6666666666666667) internal successors, (40), 24 states have internal predecessors, (40), 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) [2022-12-13 22:03:57,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:03:57,053 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2022-12-13 22:03:57,053 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 74 transitions. [2022-12-13 22:03:57,054 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 31 [2022-12-13 22:03:57,054 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 58 states and 74 transitions. [2022-12-13 22:03:57,055 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 49 [2022-12-13 22:03:57,055 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 49 [2022-12-13 22:03:57,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 74 transitions. [2022-12-13 22:03:57,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:03:57,055 INFO L218 hiAutomatonCegarLoop]: Abstraction has 58 states and 74 transitions. [2022-12-13 22:03:57,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 74 transitions. [2022-12-13 22:03:57,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 41. [2022-12-13 22:03:57,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 40 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:03:57,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 52 transitions. [2022-12-13 22:03:57,059 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 52 transitions. [2022-12-13 22:03:57,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 22:03:57,060 INFO L428 stractBuchiCegarLoop]: Abstraction has 41 states and 52 transitions. [2022-12-13 22:03:57,060 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-12-13 22:03:57,060 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 52 transitions. [2022-12-13 22:03:57,060 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2022-12-13 22:03:57,060 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:03:57,061 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:03:57,061 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:03:57,061 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 22:03:57,061 INFO L748 eck$LassoCheckResult]: Stem: 982#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 963#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 964#L555 assume !(main_~length1~0#1 < 1); 980#L555-2 assume !(main_~length2~0#1 < 1); 958#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 959#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 976#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 977#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 979#L564-4 main_~i~1#1 := 0; 969#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 970#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 989#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 988#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 987#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 973#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 971#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 972#L568-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 978#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 967#L518-4 [2022-12-13 22:03:57,061 INFO L750 eck$LassoCheckResult]: Loop: 967#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 968#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 981#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 967#L518-4 [2022-12-13 22:03:57,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:57,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1569540784, now seen corresponding path program 3 times [2022-12-13 22:03:57,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:57,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596733407] [2022-12-13 22:03:57,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:57,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:03:57,074 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:03:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:03:57,084 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:03:57,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:57,084 INFO L85 PathProgramCache]: Analyzing trace with hash 79603, now seen corresponding path program 4 times [2022-12-13 22:03:57,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:57,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676437739] [2022-12-13 22:03:57,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:57,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:03:57,087 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:03:57,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:03:57,090 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:03:57,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:03:57,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1119505220, now seen corresponding path program 2 times [2022-12-13 22:03:57,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:03:57,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864990804] [2022-12-13 22:03:57,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:03:57,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:03:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:03:57,103 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:03:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:03:57,113 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:03:59,399 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:03:59,399 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:03:59,399 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:03:59,399 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:03:59,399 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 22:03:59,399 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:03:59,399 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:03:59,399 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:03:59,399 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-2.i_Iteration7_Lasso [2022-12-13 22:03:59,399 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:03:59,399 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:03:59,402 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,404 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,405 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,406 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,408 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,409 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,411 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,412 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,414 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,415 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,416 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,418 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,419 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,420 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,422 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,423 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,424 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,426 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,427 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,429 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,430 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,431 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,432 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,434 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,435 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,436 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,438 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,439 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,440 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,441 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:03:59,442 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:00,402 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:00,403 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:00,405 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:01,067 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:04:01,067 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 22:04:01,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,068 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-12-13 22:04:01,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:01,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,081 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:01,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:01,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-12-13 22:04:01,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,086 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-12-13 22:04:01,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:01,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:01,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:01,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-12-13 22:04:01,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,103 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-12-13 22:04:01,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:01,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:01,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:01,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-12-13 22:04:01,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,121 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-12-13 22:04:01,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,135 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:04:01,135 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:04:01,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-12-13 22:04:01,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,141 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-12-13 22:04:01,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:01,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,153 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:01,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:01,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-12-13 22:04:01,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,157 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-12-13 22:04:01,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,170 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:04:01,170 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:04:01,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-12-13 22:04:01,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,176 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-12-13 22:04:01,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:01,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:01,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:01,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-12-13 22:04:01,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,194 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-12-13 22:04:01,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:01,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:01,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:01,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-12-13 22:04:01,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,211 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-12-13 22:04:01,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:01,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:01,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:01,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-12-13 22:04:01,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,228 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-12-13 22:04:01,230 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 [2022-12-13 22:04:01,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:01,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:01,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:01,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-12-13 22:04:01,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,245 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-12-13 22:04:01,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,257 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:01,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,257 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:01,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:01,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-12-13 22:04:01,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,262 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-12-13 22:04:01,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:04:01,276 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:04:01,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-12-13 22:04:01,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,282 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-12-13 22:04:01,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:01,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:01,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:01,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-12-13 22:04:01,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,300 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-12-13 22:04:01,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:01,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:01,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:01,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-12-13 22:04:01,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,319 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-12-13 22:04:01,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:01,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:01,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:01,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-12-13 22:04:01,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,336 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-12-13 22:04:01,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:01,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:01,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:01,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-12-13 22:04:01,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,354 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-12-13 22:04:01,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:04:01,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:04:01,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-12-13 22:04:01,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,373 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-12-13 22:04:01,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:01,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:01,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:01,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2022-12-13 22:04:01,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,390 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-12-13 22:04:01,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:01,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,404 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:01,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:01,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2022-12-13 22:04:01,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,408 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-12-13 22:04:01,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:01,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,421 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:01,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:01,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2022-12-13 22:04:01,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,426 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-12-13 22:04:01,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:01,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:01,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:01,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2022-12-13 22:04:01,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,442 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-12-13 22:04:01,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:01,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:01,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:01,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2022-12-13 22:04:01,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,459 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-12-13 22:04:01,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,474 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:04:01,474 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:04:01,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-12-13 22:04:01,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,479 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-12-13 22:04:01,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:01,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,492 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:01,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:01,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-12-13 22:04:01,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,496 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-12-13 22:04:01,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:01,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:01,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:01,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2022-12-13 22:04:01,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,513 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-12-13 22:04:01,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:01,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,525 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:01,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:01,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-12-13 22:04:01,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,530 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-12-13 22:04:01,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:01,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:01,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:01,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-12-13 22:04:01,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,547 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-12-13 22:04:01,550 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 [2022-12-13 22:04:01,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:01,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,560 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:01,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:01,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-12-13 22:04:01,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,565 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-12-13 22:04:01,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:01,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:01,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:01,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2022-12-13 22:04:01,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,582 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-12-13 22:04:01,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:01,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:01,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:01,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2022-12-13 22:04:01,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,600 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-12-13 22:04:01,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,613 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 22:04:01,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,617 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-12-13 22:04:01,617 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-12-13 22:04:01,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-12-13 22:04:01,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,633 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-12-13 22:04:01,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,645 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:04:01,645 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:04:01,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-12-13 22:04:01,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,651 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-12-13 22:04:01,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,667 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:04:01,667 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:04:01,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2022-12-13 22:04:01,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,681 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-12-13 22:04:01,683 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,696 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:04:01,696 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:04:01,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2022-12-13 22:04:01,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,704 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-12-13 22:04:01,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,716 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-12-13 22:04:01,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,720 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-12-13 22:04:01,720 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:04:01,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2022-12-13 22:04:01,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,728 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-12-13 22:04:01,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,742 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:04:01,742 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:04:01,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2022-12-13 22:04:01,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,748 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-12-13 22:04:01,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:04:01,763 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:04:01,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2022-12-13 22:04:01,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,770 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-12-13 22:04:01,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,783 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:04:01,783 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:04:01,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2022-12-13 22:04:01,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,790 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-12-13 22:04:01,792 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 [2022-12-13 22:04:01,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:04:01,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:04:01,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:01,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2022-12-13 22:04:01,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,810 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-12-13 22:04:01,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:01,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:01,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:01,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:01,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:01,830 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:04:01,830 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:04:01,859 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 22:04:01,926 INFO L443 ModelExtractionUtils]: Simplification made 21 calls to the SMT solver. [2022-12-13 22:04:01,926 INFO L444 ModelExtractionUtils]: 21 out of 58 variables were initially zero. Simplification set additionally 34 variables to zero. [2022-12-13 22:04:01,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:01,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:01,928 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:01,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-12-13 22:04:01,929 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 22:04:01,940 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 22:04:01,940 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 22:04:01,940 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrlen_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_2) = -1*ULTIMATE.start_cstrlen_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_2 Supporting invariants [] [2022-12-13 22:04:01,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2022-12-13 22:04:02,098 INFO L156 tatePredicateManager]: 34 out of 35 supporting invariants were superfluous and have been removed [2022-12-13 22:04:02,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:02,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-13 22:04:02,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:04:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:02,152 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 22:04:02,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:04:02,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:04:02,170 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 [2022-12-13 22:04:02,170 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 52 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:02,199 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 52 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 61 states and 80 transitions. Complement of second has 5 states. [2022-12-13 22:04:02,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 22:04:02,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:02,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 41 transitions. [2022-12-13 22:04:02,200 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 41 transitions. Stem has 18 letters. Loop has 3 letters. [2022-12-13 22:04:02,200 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:04:02,200 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 41 transitions. Stem has 21 letters. Loop has 3 letters. [2022-12-13 22:04:02,201 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:04:02,201 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 41 transitions. Stem has 18 letters. Loop has 6 letters. [2022-12-13 22:04:02,201 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:04:02,201 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 80 transitions. [2022-12-13 22:04:02,202 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2022-12-13 22:04:02,202 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 43 states and 55 transitions. [2022-12-13 22:04:02,202 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2022-12-13 22:04:02,202 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2022-12-13 22:04:02,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 55 transitions. [2022-12-13 22:04:02,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 22:04:02,203 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 55 transitions. [2022-12-13 22:04:02,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 55 transitions. [2022-12-13 22:04:02,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2022-12-13 22:04:02,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 41 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:02,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 54 transitions. [2022-12-13 22:04:02,205 INFO L240 hiAutomatonCegarLoop]: Abstraction has 42 states and 54 transitions. [2022-12-13 22:04:02,205 INFO L428 stractBuchiCegarLoop]: Abstraction has 42 states and 54 transitions. [2022-12-13 22:04:02,205 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-12-13 22:04:02,205 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 54 transitions. [2022-12-13 22:04:02,206 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2022-12-13 22:04:02,206 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:04:02,206 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:04:02,206 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:04:02,206 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:04:02,207 INFO L748 eck$LassoCheckResult]: Stem: 1317#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1295#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 1296#L555 assume !(main_~length1~0#1 < 1); 1314#L555-2 assume !(main_~length2~0#1 < 1); 1290#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 1291#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 1310#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 1311#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 1313#L564-4 main_~i~1#1 := 0; 1303#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 1304#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 1322#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 1321#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 1320#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 1319#L568-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 1315#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 1299#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 1300#L518-1 assume !(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 1289#L518-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := (if cstrlen_~s~0#1.offset - cstrlen_~str#1.offset < 0 && 0 != (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) % 1 then 1 + (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1 else (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1); 1281#cstrlen_returnLabel#1 cstrstr_#t~ret15#1 := cstrlen_#res#1;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 1282#L542-4 [2022-12-13 22:04:02,207 INFO L750 eck$LassoCheckResult]: Loop: 1282#L542-4 goto; 1308#L543-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 1292#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 1293#L543 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 1309#L542-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~mem9#1, cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, cstrncmp_#t~mem12#1, cstrncmp_#t~pre4#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 1283#L525 assume 0 == cstrncmp_~n#1 % 4294967296;cstrncmp_#res#1 := 0; 1284#cstrncmp_returnLabel#1 cstrstr_#t~ret16#1 := cstrncmp_#res#1;assume { :end_inline_cstrncmp } true; 1294#L542-2 assume !!(0 != cstrstr_#t~ret16#1);havoc cstrstr_#t~ret16#1; 1282#L542-4 [2022-12-13 22:04:02,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:02,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1849679959, now seen corresponding path program 1 times [2022-12-13 22:04:02,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:02,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75685325] [2022-12-13 22:04:02,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:02,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:02,220 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:04:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:02,229 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:04:02,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:02,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1079765744, now seen corresponding path program 1 times [2022-12-13 22:04:02,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:02,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822784112] [2022-12-13 22:04:02,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:02,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:02,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:04:02,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:02,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822784112] [2022-12-13 22:04:02,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822784112] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:02,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:02,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 22:04:02,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87392741] [2022-12-13 22:04:02,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:02,244 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 22:04:02,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:02,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 22:04:02,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 22:04:02,244 INFO L87 Difference]: Start difference. First operand 42 states and 54 transitions. cyclomatic complexity: 16 Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-12-13 22:04:02,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:02,257 INFO L93 Difference]: Finished difference Result 44 states and 55 transitions. [2022-12-13 22:04:02,257 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 55 transitions. [2022-12-13 22:04:02,258 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2022-12-13 22:04:02,258 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 41 states and 50 transitions. [2022-12-13 22:04:02,258 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2022-12-13 22:04:02,258 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2022-12-13 22:04:02,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 50 transitions. [2022-12-13 22:04:02,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 22:04:02,259 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 50 transitions. [2022-12-13 22:04:02,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 50 transitions. [2022-12-13 22:04:02,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-12-13 22:04:02,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.2195121951219512) internal successors, (50), 40 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:02,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2022-12-13 22:04:02,262 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 50 transitions. [2022-12-13 22:04:02,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 22:04:02,262 INFO L428 stractBuchiCegarLoop]: Abstraction has 41 states and 50 transitions. [2022-12-13 22:04:02,263 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-12-13 22:04:02,263 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 50 transitions. [2022-12-13 22:04:02,263 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2022-12-13 22:04:02,263 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:04:02,263 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:04:02,264 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:04:02,264 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:04:02,264 INFO L748 eck$LassoCheckResult]: Stem: 1410#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1389#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 1390#L555 assume !(main_~length1~0#1 < 1); 1408#L555-2 assume !(main_~length2~0#1 < 1); 1383#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 1384#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 1403#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 1404#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 1407#L564-4 main_~i~1#1 := 0; 1397#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 1398#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 1399#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 1400#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 1416#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 1405#L568-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 1406#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 1393#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 1394#L518-1 assume !(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 1382#L518-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := (if cstrlen_~s~0#1.offset - cstrlen_~str#1.offset < 0 && 0 != (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) % 1 then 1 + (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1 else (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1); 1376#cstrlen_returnLabel#1 cstrstr_#t~ret15#1 := cstrlen_#res#1;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 1377#L542-4 [2022-12-13 22:04:02,264 INFO L750 eck$LassoCheckResult]: Loop: 1377#L542-4 goto; 1401#L543-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 1385#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 1386#L543 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 1402#L542-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~mem9#1, cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, cstrncmp_#t~mem12#1, cstrncmp_#t~pre4#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 1378#L525 assume !(0 == cstrncmp_~n#1 % 4294967296); 1379#L527-4 call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post5#1.base, 1 + cstrncmp_#t~post5#1.offset;call cstrncmp_#t~mem7#1 := read~int(cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, 1); 1392#L528 assume cstrncmp_#t~mem6#1 != cstrncmp_#t~mem7#1;havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset;havoc cstrncmp_#t~mem7#1;call cstrncmp_#t~mem9#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset - 1;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset - 1;call cstrncmp_#t~mem10#1 := read~int(cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, 1);cstrncmp_#res#1 := cstrncmp_#t~mem9#1 % 256 - cstrncmp_#t~mem10#1 % 256;havoc cstrncmp_#t~mem9#1;havoc cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset;havoc cstrncmp_#t~mem10#1; 1387#cstrncmp_returnLabel#1 cstrstr_#t~ret16#1 := cstrncmp_#res#1;assume { :end_inline_cstrncmp } true; 1388#L542-2 assume !!(0 != cstrstr_#t~ret16#1);havoc cstrstr_#t~ret16#1; 1377#L542-4 [2022-12-13 22:04:02,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:02,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1849679959, now seen corresponding path program 2 times [2022-12-13 22:04:02,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:02,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080665933] [2022-12-13 22:04:02,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:02,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:02,277 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:04:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:02,286 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:04:02,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:02,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1728347221, now seen corresponding path program 1 times [2022-12-13 22:04:02,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:02,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279314560] [2022-12-13 22:04:02,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:02,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:02,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:04:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:02,297 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:04:02,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:02,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1941989675, now seen corresponding path program 1 times [2022-12-13 22:04:02,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:02,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711638352] [2022-12-13 22:04:02,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:02,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:02,405 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 22:04:02,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:02,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711638352] [2022-12-13 22:04:02,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711638352] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:04:02,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:04:02,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 22:04:02,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856643841] [2022-12-13 22:04:02,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:04:02,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2022-12-13 22:04:02,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:02,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 22:04:02,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 22:04:02,727 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. cyclomatic complexity: 13 Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 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) [2022-12-13 22:04:02,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:02,773 INFO L93 Difference]: Finished difference Result 52 states and 61 transitions. [2022-12-13 22:04:02,773 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 61 transitions. [2022-12-13 22:04:02,774 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2022-12-13 22:04:02,775 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 50 states and 59 transitions. [2022-12-13 22:04:02,775 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2022-12-13 22:04:02,775 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2022-12-13 22:04:02,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 59 transitions. [2022-12-13 22:04:02,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 22:04:02,775 INFO L218 hiAutomatonCegarLoop]: Abstraction has 50 states and 59 transitions. [2022-12-13 22:04:02,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 59 transitions. [2022-12-13 22:04:02,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2022-12-13 22:04:02,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.1875) internal successors, (57), 47 states have internal predecessors, (57), 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) [2022-12-13 22:04:02,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 57 transitions. [2022-12-13 22:04:02,778 INFO L240 hiAutomatonCegarLoop]: Abstraction has 48 states and 57 transitions. [2022-12-13 22:04:02,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 22:04:02,779 INFO L428 stractBuchiCegarLoop]: Abstraction has 48 states and 57 transitions. [2022-12-13 22:04:02,779 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-12-13 22:04:02,779 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 57 transitions. [2022-12-13 22:04:02,780 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2022-12-13 22:04:02,780 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:04:02,780 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:04:02,780 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:04:02,781 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 22:04:02,781 INFO L748 eck$LassoCheckResult]: Stem: 1524#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1497#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 1498#L555 assume !(main_~length1~0#1 < 1); 1520#L555-2 assume !(main_~length2~0#1 < 1); 1492#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 1493#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 1514#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 1515#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 1518#L564-4 main_~i~1#1 := 0; 1508#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 1509#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 1510#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 1511#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 1533#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 1516#L568-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 1517#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 1503#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 1504#L518-1 assume !(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 1526#L518-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := (if cstrlen_~s~0#1.offset - cstrlen_~str#1.offset < 0 && 0 != (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) % 1 then 1 + (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1 else (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1); 1529#cstrlen_returnLabel#1 cstrstr_#t~ret15#1 := cstrlen_#res#1;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 1528#L542-4 goto; 1513#L543-2 [2022-12-13 22:04:02,781 INFO L750 eck$LassoCheckResult]: Loop: 1513#L543-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 1495#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 1496#L543 assume !!(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 1513#L543-2 [2022-12-13 22:04:02,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:02,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1505503948, now seen corresponding path program 1 times [2022-12-13 22:04:02,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:02,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126578702] [2022-12-13 22:04:02,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:02,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:02,795 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:04:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:02,803 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:04:02,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:02,804 INFO L85 PathProgramCache]: Analyzing trace with hash 99467, now seen corresponding path program 1 times [2022-12-13 22:04:02,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:02,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35180024] [2022-12-13 22:04:02,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:02,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:02,806 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:04:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:02,808 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:04:02,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:02,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1875287584, now seen corresponding path program 1 times [2022-12-13 22:04:02,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:02,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677007515] [2022-12-13 22:04:02,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:02,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:03,149 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 22:04:03,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:03,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677007515] [2022-12-13 22:04:03,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677007515] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:04:03,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377735824] [2022-12-13 22:04:03,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:03,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:04:03,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:03,151 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:04:03,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Waiting until timeout for monitored process [2022-12-13 22:04:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:03,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 33 conjunts are in the unsatisfiable core [2022-12-13 22:04:03,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:04:03,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-13 22:04:03,306 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-12-13 22:04:03,309 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 17 treesize of output 19 [2022-12-13 22:04:03,377 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-13 22:04:03,377 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 18 treesize of output 10 [2022-12-13 22:04:03,386 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 22:04:03,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 22:04:03,408 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 22:04:03,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 22 [2022-12-13 22:04:03,413 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 22:04:03,413 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 33 treesize of output 30 [2022-12-13 22:04:03,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-13 22:04:03,502 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 22:04:03,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377735824] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 22:04:03,503 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 22:04:03,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2022-12-13 22:04:03,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528938137] [2022-12-13 22:04:03,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 22:04:03,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:03,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-13 22:04:03,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2022-12-13 22:04:03,543 INFO L87 Difference]: Start difference. First operand 48 states and 57 transitions. cyclomatic complexity: 14 Second operand has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 17 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:03,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:03,746 INFO L93 Difference]: Finished difference Result 82 states and 94 transitions. [2022-12-13 22:04:03,746 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 82 states and 94 transitions. [2022-12-13 22:04:03,747 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2022-12-13 22:04:03,747 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 82 states to 53 states and 62 transitions. [2022-12-13 22:04:03,747 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2022-12-13 22:04:03,747 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 39 [2022-12-13 22:04:03,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 62 transitions. [2022-12-13 22:04:03,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 22:04:03,747 INFO L218 hiAutomatonCegarLoop]: Abstraction has 53 states and 62 transitions. [2022-12-13 22:04:03,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 62 transitions. [2022-12-13 22:04:03,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50. [2022-12-13 22:04:03,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.18) internal successors, (59), 49 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:03,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 59 transitions. [2022-12-13 22:04:03,749 INFO L240 hiAutomatonCegarLoop]: Abstraction has 50 states and 59 transitions. [2022-12-13 22:04:03,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 22:04:03,749 INFO L428 stractBuchiCegarLoop]: Abstraction has 50 states and 59 transitions. [2022-12-13 22:04:03,750 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-12-13 22:04:03,750 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 59 transitions. [2022-12-13 22:04:03,750 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2022-12-13 22:04:03,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:04:03,750 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:04:03,750 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] [2022-12-13 22:04:03,750 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 22:04:03,750 INFO L748 eck$LassoCheckResult]: Stem: 1825#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1801#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 1802#L555 assume !(main_~length1~0#1 < 1); 1824#L555-2 assume !(main_~length2~0#1 < 1); 1796#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 1797#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 1818#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 1819#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 1827#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 1834#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 1822#L564-4 main_~i~1#1 := 0; 1812#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 1813#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 1814#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 1815#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 1833#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 1820#L568-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 1821#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 1807#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 1808#L518-1 assume !(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 1839#L518-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := (if cstrlen_~s~0#1.offset - cstrlen_~str#1.offset < 0 && 0 != (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) % 1 then 1 + (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1 else (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1); 1838#cstrlen_returnLabel#1 cstrstr_#t~ret15#1 := cstrlen_#res#1;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 1837#L542-4 goto; 1817#L543-2 [2022-12-13 22:04:03,750 INFO L750 eck$LassoCheckResult]: Loop: 1817#L543-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 1799#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 1800#L543 assume !!(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 1817#L543-2 [2022-12-13 22:04:03,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:03,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1779363886, now seen corresponding path program 2 times [2022-12-13 22:04:03,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:03,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747077267] [2022-12-13 22:04:03,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:03,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:03,763 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:04:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:03,771 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:04:03,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:03,772 INFO L85 PathProgramCache]: Analyzing trace with hash 99467, now seen corresponding path program 2 times [2022-12-13 22:04:03,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:03,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827525600] [2022-12-13 22:04:03,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:03,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:03,774 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:04:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:03,775 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:04:03,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:03,776 INFO L85 PathProgramCache]: Analyzing trace with hash 543230270, now seen corresponding path program 2 times [2022-12-13 22:04:03,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:03,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162732208] [2022-12-13 22:04:03,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:03,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:03,797 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:04:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:03,806 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:04:05,595 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:04:05,595 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:04:05,595 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:04:05,595 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:04:05,595 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 22:04:05,595 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:05,595 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:04:05,595 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:04:05,595 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-2.i_Iteration11_Lasso [2022-12-13 22:04:05,595 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:04:05,595 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:04:05,597 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,345 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,346 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,348 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,348 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,349 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,350 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,351 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,352 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,353 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,354 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,355 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,356 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,357 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,358 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,359 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,360 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,361 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,362 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,363 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,364 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,364 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,366 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,366 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,367 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,368 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,369 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,370 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,371 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,372 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:06,921 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:04:06,921 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 22:04:06,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:06,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:06,922 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:06,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-12-13 22:04:06,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:06,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:06,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:06,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:06,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:06,936 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:04:06,936 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:04:06,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:06,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2022-12-13 22:04:06,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:06,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:06,943 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:06,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-12-13 22:04:06,945 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 [2022-12-13 22:04:06,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:06,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:06,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:06,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:06,963 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:04:06,963 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:04:06,989 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 22:04:07,066 INFO L443 ModelExtractionUtils]: Simplification made 25 calls to the SMT solver. [2022-12-13 22:04:07,066 INFO L444 ModelExtractionUtils]: 13 out of 64 variables were initially zero. Simplification set additionally 48 variables to zero. [2022-12-13 22:04:07,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:07,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:07,067 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:07,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-12-13 22:04:07,069 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 22:04:07,079 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 22:04:07,079 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 22:04:07,079 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrstr_~s#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc22#1.base)_4) = -1*ULTIMATE.start_cstrstr_~s#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc22#1.base)_4 Supporting invariants [] [2022-12-13 22:04:07,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2022-12-13 22:04:07,200 INFO L156 tatePredicateManager]: 34 out of 35 supporting invariants were superfluous and have been removed [2022-12-13 22:04:07,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:07,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 22:04:07,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:04:07,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2022-12-13 22:04:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:07,292 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-13 22:04:07,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:04:07,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:04:07,316 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-12-13 22:04:07,316 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 50 states and 59 transitions. cyclomatic complexity: 14 Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:07,358 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 50 states and 59 transitions. cyclomatic complexity: 14. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 67 states and 78 transitions. Complement of second has 6 states. [2022-12-13 22:04:07,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 22:04:07,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:04:07,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 39 transitions. [2022-12-13 22:04:07,359 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 39 transitions. Stem has 23 letters. Loop has 3 letters. [2022-12-13 22:04:07,359 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:04:07,359 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 39 transitions. Stem has 26 letters. Loop has 3 letters. [2022-12-13 22:04:07,360 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:04:07,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 39 transitions. Stem has 23 letters. Loop has 6 letters. [2022-12-13 22:04:07,360 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:04:07,360 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 78 transitions. [2022-12-13 22:04:07,361 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 22:04:07,361 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 50 states and 58 transitions. [2022-12-13 22:04:07,362 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2022-12-13 22:04:07,362 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2022-12-13 22:04:07,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 58 transitions. [2022-12-13 22:04:07,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 22:04:07,362 INFO L218 hiAutomatonCegarLoop]: Abstraction has 50 states and 58 transitions. [2022-12-13 22:04:07,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 58 transitions. [2022-12-13 22:04:07,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-12-13 22:04:07,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.16) internal successors, (58), 49 states have internal predecessors, (58), 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) [2022-12-13 22:04:07,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 58 transitions. [2022-12-13 22:04:07,364 INFO L240 hiAutomatonCegarLoop]: Abstraction has 50 states and 58 transitions. [2022-12-13 22:04:07,364 INFO L428 stractBuchiCegarLoop]: Abstraction has 50 states and 58 transitions. [2022-12-13 22:04:07,364 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-12-13 22:04:07,364 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 58 transitions. [2022-12-13 22:04:07,364 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 22:04:07,364 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:04:07,364 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:04:07,365 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:04:07,365 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-12-13 22:04:07,365 INFO L748 eck$LassoCheckResult]: Stem: 2198#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2171#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 2172#L555 assume !(main_~length1~0#1 < 1); 2197#L555-2 assume !(main_~length2~0#1 < 1); 2165#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 2166#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 2192#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 2193#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 2200#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 2201#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 2196#L564-4 main_~i~1#1 := 0; 2184#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 2185#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 2186#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 2187#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 2204#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 2203#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 2202#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 2194#L568-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 2195#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 2180#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 2181#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 2199#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 2182#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 2183#L518-1 assume !(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 2167#L518-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := (if cstrlen_~s~0#1.offset - cstrlen_~str#1.offset < 0 && 0 != (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) % 1 then 1 + (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1 else (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1); 2155#cstrlen_returnLabel#1 cstrstr_#t~ret15#1 := cstrlen_#res#1;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 2156#L542-4 goto; 2188#L543-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 2168#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 2170#L543 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 2190#L542-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~mem9#1, cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, cstrncmp_#t~mem12#1, cstrncmp_#t~pre4#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 2157#L525 assume !(0 == cstrncmp_~n#1 % 4294967296); 2158#L527-4 [2022-12-13 22:04:07,365 INFO L750 eck$LassoCheckResult]: Loop: 2158#L527-4 call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post5#1.base, 1 + cstrncmp_#t~post5#1.offset;call cstrncmp_#t~mem7#1 := read~int(cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, 1); 2178#L528 assume !(cstrncmp_#t~mem6#1 != cstrncmp_#t~mem7#1);havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset;havoc cstrncmp_#t~mem7#1;cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post11#1.base, 1 + cstrncmp_#t~post11#1.offset;call cstrncmp_#t~mem12#1 := read~int(cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, 1); 2175#L530 assume !(0 == cstrncmp_#t~mem12#1);havoc cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset;havoc cstrncmp_#t~mem12#1; 2161#L527-1 cstrncmp_#t~pre4#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 2162#L527-2 assume !!(0 != cstrncmp_#t~pre4#1 % 4294967296);havoc cstrncmp_#t~pre4#1; 2158#L527-4 [2022-12-13 22:04:07,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:07,365 INFO L85 PathProgramCache]: Analyzing trace with hash 577420407, now seen corresponding path program 1 times [2022-12-13 22:04:07,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:07,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117468372] [2022-12-13 22:04:07,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:07,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:07,382 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:04:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:07,394 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:04:07,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:07,395 INFO L85 PathProgramCache]: Analyzing trace with hash 118492775, now seen corresponding path program 1 times [2022-12-13 22:04:07,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:07,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440765838] [2022-12-13 22:04:07,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:07,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:07,398 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:04:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:07,401 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:04:07,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:07,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1867951025, now seen corresponding path program 1 times [2022-12-13 22:04:07,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:07,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456077242] [2022-12-13 22:04:07,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:07,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:07,540 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 22:04:07,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:07,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456077242] [2022-12-13 22:04:07,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456077242] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:04:07,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291057955] [2022-12-13 22:04:07,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:07,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:04:07,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:07,542 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:04:07,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Waiting until timeout for monitored process [2022-12-13 22:04:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:07,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 55 conjunts are in the unsatisfiable core [2022-12-13 22:04:07,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:04:07,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-13 22:04:07,730 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-12-13 22:04:07,733 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 17 treesize of output 19 [2022-12-13 22:04:07,899 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-13 22:04:07,899 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 18 treesize of output 10 [2022-12-13 22:04:07,914 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-13 22:04:07,914 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 22:04:08,000 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 22:04:08,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2022-12-13 22:04:08,005 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 22:04:08,005 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 37 treesize of output 32 [2022-12-13 22:04:08,114 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-13 22:04:08,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1291057955] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 22:04:08,114 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 22:04:08,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 11] total 22 [2022-12-13 22:04:08,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252237151] [2022-12-13 22:04:08,114 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 22:04:08,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:08,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-12-13 22:04:08,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2022-12-13 22:04:08,243 INFO L87 Difference]: Start difference. First operand 50 states and 58 transitions. cyclomatic complexity: 13 Second operand has 22 states, 22 states have (on average 3.6363636363636362) internal successors, (80), 22 states have internal predecessors, (80), 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) [2022-12-13 22:04:08,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:08,996 INFO L93 Difference]: Finished difference Result 215 states and 243 transitions. [2022-12-13 22:04:08,996 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 215 states and 243 transitions. [2022-12-13 22:04:08,997 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2022-12-13 22:04:08,997 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 215 states to 120 states and 137 transitions. [2022-12-13 22:04:08,997 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2022-12-13 22:04:08,997 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2022-12-13 22:04:08,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 120 states and 137 transitions. [2022-12-13 22:04:08,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 22:04:08,997 INFO L218 hiAutomatonCegarLoop]: Abstraction has 120 states and 137 transitions. [2022-12-13 22:04:08,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states and 137 transitions. [2022-12-13 22:04:08,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 83. [2022-12-13 22:04:08,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 83 states have (on average 1.144578313253012) internal successors, (95), 82 states have internal predecessors, (95), 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) [2022-12-13 22:04:09,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 95 transitions. [2022-12-13 22:04:09,000 INFO L240 hiAutomatonCegarLoop]: Abstraction has 83 states and 95 transitions. [2022-12-13 22:04:09,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-13 22:04:09,000 INFO L428 stractBuchiCegarLoop]: Abstraction has 83 states and 95 transitions. [2022-12-13 22:04:09,000 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-12-13 22:04:09,001 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 95 transitions. [2022-12-13 22:04:09,001 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 22:04:09,001 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:04:09,001 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:04:09,001 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:04:09,001 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-12-13 22:04:09,002 INFO L748 eck$LassoCheckResult]: Stem: 2764#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2733#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 2734#L555 assume !(main_~length1~0#1 < 1); 2760#L555-2 assume !(main_~length2~0#1 < 1); 2725#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 2726#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 2753#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 2754#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 2797#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 2796#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 2769#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 2768#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 2757#L564-4 main_~i~1#1 := 0; 2758#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 2766#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 2767#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 2780#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 2781#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 2776#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 2777#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 2755#L568-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 2756#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 2740#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 2741#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 2792#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 2793#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 2790#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 2791#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 2789#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 2788#L518-1 assume !(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 2787#L518-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := (if cstrlen_~s~0#1.offset - cstrlen_~str#1.offset < 0 && 0 != (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) % 1 then 1 + (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1 else (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1); 2786#cstrlen_returnLabel#1 cstrstr_#t~ret15#1 := cstrlen_#res#1;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 2785#L542-4 goto; 2763#L543-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 2728#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 2730#L543 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 2751#L542-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~mem9#1, cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, cstrncmp_#t~mem12#1, cstrncmp_#t~pre4#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 2715#L525 assume !(0 == cstrncmp_~n#1 % 4294967296); 2716#L527-4 [2022-12-13 22:04:09,002 INFO L750 eck$LassoCheckResult]: Loop: 2716#L527-4 call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post5#1.base, 1 + cstrncmp_#t~post5#1.offset;call cstrncmp_#t~mem7#1 := read~int(cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, 1); 2738#L528 assume !(cstrncmp_#t~mem6#1 != cstrncmp_#t~mem7#1);havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset;havoc cstrncmp_#t~mem7#1;cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post11#1.base, 1 + cstrncmp_#t~post11#1.offset;call cstrncmp_#t~mem12#1 := read~int(cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, 1); 2735#L530 assume !(0 == cstrncmp_#t~mem12#1);havoc cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset;havoc cstrncmp_#t~mem12#1; 2721#L527-1 cstrncmp_#t~pre4#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 2722#L527-2 assume !!(0 != cstrncmp_#t~pre4#1 % 4294967296);havoc cstrncmp_#t~pre4#1; 2716#L527-4 [2022-12-13 22:04:09,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:09,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1085107107, now seen corresponding path program 2 times [2022-12-13 22:04:09,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:09,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112309020] [2022-12-13 22:04:09,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:09,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:09,313 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 22:04:09,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:09,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112309020] [2022-12-13 22:04:09,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112309020] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:04:09,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150789600] [2022-12-13 22:04:09,314 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 22:04:09,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:04:09,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:09,315 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:04:09,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Waiting until timeout for monitored process [2022-12-13 22:04:09,392 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 22:04:09,392 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 22:04:09,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 47 conjunts are in the unsatisfiable core [2022-12-13 22:04:09,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:04:09,521 INFO L321 Elim1Store]: treesize reduction 32, result has 37.3 percent of original size [2022-12-13 22:04:09,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 80 [2022-12-13 22:04:09,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2022-12-13 22:04:09,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2022-12-13 22:04:09,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2022-12-13 22:04:09,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 3 [2022-12-13 22:04:09,725 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 22:04:09,726 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 22:04:09,727 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 18 treesize of output 10 [2022-12-13 22:04:09,745 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 22:04:09,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 22:04:09,811 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 38 treesize of output 36 [2022-12-13 22:04:09,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2022-12-13 22:04:09,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2022-12-13 22:04:10,050 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 22:04:10,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150789600] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 22:04:10,050 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 22:04:10,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 33 [2022-12-13 22:04:10,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301816728] [2022-12-13 22:04:10,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 22:04:10,051 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 22:04:10,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:10,051 INFO L85 PathProgramCache]: Analyzing trace with hash 118492775, now seen corresponding path program 2 times [2022-12-13 22:04:10,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:10,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112977819] [2022-12-13 22:04:10,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:10,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:10,055 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:04:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:10,060 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:04:10,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:10,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-12-13 22:04:10,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=956, Unknown=0, NotChecked=0, Total=1056 [2022-12-13 22:04:10,185 INFO L87 Difference]: Start difference. First operand 83 states and 95 transitions. cyclomatic complexity: 19 Second operand has 33 states, 33 states have (on average 2.090909090909091) internal successors, (69), 33 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) [2022-12-13 22:04:10,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:10,890 INFO L93 Difference]: Finished difference Result 103 states and 115 transitions. [2022-12-13 22:04:10,890 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 103 states and 115 transitions. [2022-12-13 22:04:10,890 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 22:04:10,891 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 103 states to 89 states and 101 transitions. [2022-12-13 22:04:10,891 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2022-12-13 22:04:10,891 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2022-12-13 22:04:10,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 101 transitions. [2022-12-13 22:04:10,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 22:04:10,891 INFO L218 hiAutomatonCegarLoop]: Abstraction has 89 states and 101 transitions. [2022-12-13 22:04:10,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 101 transitions. [2022-12-13 22:04:10,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2022-12-13 22:04:10,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 87 states have (on average 1.1379310344827587) internal successors, (99), 86 states have internal predecessors, (99), 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) [2022-12-13 22:04:10,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 99 transitions. [2022-12-13 22:04:10,893 INFO L240 hiAutomatonCegarLoop]: Abstraction has 87 states and 99 transitions. [2022-12-13 22:04:10,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-13 22:04:10,894 INFO L428 stractBuchiCegarLoop]: Abstraction has 87 states and 99 transitions. [2022-12-13 22:04:10,894 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2022-12-13 22:04:10,894 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 87 states and 99 transitions. [2022-12-13 22:04:10,894 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 22:04:10,894 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:04:10,894 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:04:10,894 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:04:10,894 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-12-13 22:04:10,895 INFO L748 eck$LassoCheckResult]: Stem: 3234#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3204#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 3205#L555 assume !(main_~length1~0#1 < 1); 3231#L555-2 assume !(main_~length2~0#1 < 1); 3198#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 3199#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 3226#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 3227#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 3236#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 3269#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 3270#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 3271#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 3268#L564-4 main_~i~1#1 := 0; 3267#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 3266#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 3265#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 3264#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 3263#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 3262#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 3261#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 3258#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 3257#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 3256#L568-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 3255#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 3254#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 3252#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 3251#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 3250#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 3248#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 3249#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 3247#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 3246#L518-1 assume !(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 3244#L518-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := (if cstrlen_~s~0#1.offset - cstrlen_~str#1.offset < 0 && 0 != (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) % 1 then 1 + (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1 else (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1); 3242#cstrlen_returnLabel#1 cstrstr_#t~ret15#1 := cstrlen_#res#1;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 3240#L542-4 goto; 3239#L543-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 3232#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 3221#L543 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 3222#L542-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~mem9#1, cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, cstrncmp_#t~mem12#1, cstrncmp_#t~pre4#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 3189#L525 assume !(0 == cstrncmp_~n#1 % 4294967296); 3190#L527-4 [2022-12-13 22:04:10,895 INFO L750 eck$LassoCheckResult]: Loop: 3190#L527-4 call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post5#1.base, 1 + cstrncmp_#t~post5#1.offset;call cstrncmp_#t~mem7#1 := read~int(cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, 1); 3209#L528 assume !(cstrncmp_#t~mem6#1 != cstrncmp_#t~mem7#1);havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset;havoc cstrncmp_#t~mem7#1;cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post11#1.base, 1 + cstrncmp_#t~post11#1.offset;call cstrncmp_#t~mem12#1 := read~int(cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, 1); 3206#L530 assume !(0 == cstrncmp_#t~mem12#1);havoc cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset;havoc cstrncmp_#t~mem12#1; 3193#L527-1 cstrncmp_#t~pre4#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 3194#L527-2 assume !!(0 != cstrncmp_#t~pre4#1 % 4294967296);havoc cstrncmp_#t~pre4#1; 3190#L527-4 [2022-12-13 22:04:10,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:10,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1202872581, now seen corresponding path program 3 times [2022-12-13 22:04:10,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:10,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140510905] [2022-12-13 22:04:10,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:10,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:10,918 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:04:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:10,944 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:04:10,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:10,944 INFO L85 PathProgramCache]: Analyzing trace with hash 118492775, now seen corresponding path program 3 times [2022-12-13 22:04:10,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:10,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633530549] [2022-12-13 22:04:10,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:10,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:10,949 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:04:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:10,953 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:04:10,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:10,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1087325267, now seen corresponding path program 2 times [2022-12-13 22:04:10,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:10,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914972719] [2022-12-13 22:04:10,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:10,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:10,979 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:04:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:11,004 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:04:22,805 WARN L233 SmtUtils]: Spent 11.65s on a formula simplification. DAG size of input: 325 DAG size of output: 253 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:04:25,272 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:04:25,272 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:04:25,272 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:04:25,272 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:04:25,272 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 22:04:25,272 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:25,272 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:04:25,272 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:04:25,272 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-2.i_Iteration14_Lasso [2022-12-13 22:04:25,272 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:04:25,272 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:04:25,275 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:25,277 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:25,278 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:25,279 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:25,281 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:25,282 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:25,283 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:25,284 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:25,285 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:25,286 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:25,287 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,352 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,353 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,354 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,356 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,357 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,358 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,359 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,361 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,362 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,363 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,364 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,365 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,366 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,368 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,370 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,371 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,372 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,373 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,374 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,375 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,376 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,378 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,379 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,380 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,381 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,382 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,384 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,385 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,386 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,388 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,389 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,390 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:29,391 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:30,707 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:04:30,708 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 22:04:30,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:30,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:30,709 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:30,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2022-12-13 22:04:30,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:30,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:30,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:30,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:30,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:30,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:30,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:30,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:30,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:30,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2022-12-13 22:04:30,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:30,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:30,725 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:30,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2022-12-13 22:04:30,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:30,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:30,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:30,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:30,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:30,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:30,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:30,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:30,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:30,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2022-12-13 22:04:30,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:30,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:30,742 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:30,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2022-12-13 22:04:30,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:30,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:30,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:30,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:30,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:30,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:30,755 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:30,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:30,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:30,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2022-12-13 22:04:30,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:30,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:30,759 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:30,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2022-12-13 22:04:30,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:30,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:30,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:30,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:30,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:30,774 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:04:30,774 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:04:30,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:30,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2022-12-13 22:04:30,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:30,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:30,780 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:30,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2022-12-13 22:04:30,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:30,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:30,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:30,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:30,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:30,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:30,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:30,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:30,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:30,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2022-12-13 22:04:30,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:30,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:30,796 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:30,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2022-12-13 22:04:30,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:30,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:30,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:30,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:30,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:30,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:30,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:30,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:30,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:30,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2022-12-13 22:04:30,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:30,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:30,813 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:30,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2022-12-13 22:04:30,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:30,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:30,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:30,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:30,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:30,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:30,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:30,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:30,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:30,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2022-12-13 22:04:30,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:30,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:30,831 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:30,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2022-12-13 22:04:30,833 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 [2022-12-13 22:04:30,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:30,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:30,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:30,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:30,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:30,843 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:30,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:30,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:30,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2022-12-13 22:04:30,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:30,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:30,848 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:30,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2022-12-13 22:04:30,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:30,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:30,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:30,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:30,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:30,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:30,860 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:30,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:30,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:30,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2022-12-13 22:04:30,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:30,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:30,865 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:30,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2022-12-13 22:04:30,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:30,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:30,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:04:30,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:30,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:30,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:30,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:04:30,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:04:30,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:30,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2022-12-13 22:04:30,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:30,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:30,882 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:30,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2022-12-13 22:04:30,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:30,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:30,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:30,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:30,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:30,900 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:04:30,900 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:04:30,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:30,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2022-12-13 22:04:30,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:30,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:30,917 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:30,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2022-12-13 22:04:30,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:30,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:30,929 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-12-13 22:04:30,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:30,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:30,931 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-12-13 22:04:30,931 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:04:30,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:30,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2022-12-13 22:04:30,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:30,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:30,940 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:30,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2022-12-13 22:04:30,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:30,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:30,953 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2022-12-13 22:04:30,953 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 22:04:30,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:30,972 INFO L401 nArgumentSynthesizer]: We have 28 Motzkin's Theorem applications. [2022-12-13 22:04:30,972 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-12-13 22:04:31,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:31,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2022-12-13 22:04:31,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:31,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:31,027 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:31,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2022-12-13 22:04:31,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:31,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:31,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:31,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:31,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:31,041 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:04:31,041 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:04:31,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:31,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2022-12-13 22:04:31,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:31,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:31,049 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:31,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2022-12-13 22:04:31,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:31,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:31,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:31,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:31,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:31,063 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:04:31,063 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:04:31,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:31,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2022-12-13 22:04:31,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:31,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:31,071 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:31,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2022-12-13 22:04:31,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:31,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:31,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:31,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:31,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:31,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:04:31,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:04:31,088 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:31,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2022-12-13 22:04:31,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:31,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:31,091 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:31,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2022-12-13 22:04:31,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:31,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:31,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:31,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:31,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:31,104 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:04:31,104 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:04:31,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:31,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2022-12-13 22:04:31,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:31,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:31,111 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:31,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2022-12-13 22:04:31,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:31,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:31,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:31,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:31,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:31,124 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:04:31,124 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:04:31,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:04:31,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2022-12-13 22:04:31,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:31,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:31,130 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:31,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2022-12-13 22:04:31,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:04:31,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:04:31,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:04:31,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:04:31,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:04:31,157 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:04:31,157 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:04:31,207 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 22:04:31,799 INFO L443 ModelExtractionUtils]: Simplification made 66 calls to the SMT solver. [2022-12-13 22:04:31,799 INFO L444 ModelExtractionUtils]: 17 out of 88 variables were initially zero. Simplification set additionally 64 variables to zero. [2022-12-13 22:04:31,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:31,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:31,800 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:04:31,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2022-12-13 22:04:31,802 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 22:04:31,814 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-12-13 22:04:31,814 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 22:04:31,814 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrlen_~s~0#1.offset, ULTIMATE.start_cstrncmp_~n#1) = 6442450939*ULTIMATE.start_cstrlen_~s~0#1.offset + 3*ULTIMATE.start_cstrncmp_~n#1 Supporting invariants [12884901878*ULTIMATE.start_cstrlen_~s~0#1.offset + 9*ULTIMATE.start_cstrncmp_~s2#1.offset + 6*ULTIMATE.start_cstrncmp_~n#1 - 9*v_rep(select #length ULTIMATE.start_main_#t~malloc22#1.base)_5 >= 0] [2022-12-13 22:04:31,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2022-12-13 22:04:32,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2022-12-13 22:04:32,626 INFO L156 tatePredicateManager]: 94 out of 97 supporting invariants were superfluous and have been removed [2022-12-13 22:04:32,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:32,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 62 conjunts are in the unsatisfiable core [2022-12-13 22:04:32,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:04:32,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 22:04:32,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 11 [2022-12-13 22:04:32,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-13 22:04:33,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:33,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-13 22:04:33,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:04:33,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:04:33,269 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.10 stem predicates 4 loop predicates [2022-12-13 22:04:33,269 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 87 states and 99 transitions. cyclomatic complexity: 19 Second operand has 14 states, 14 states have (on average 2.5) internal successors, (35), 14 states have internal predecessors, (35), 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) [2022-12-13 22:04:33,815 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 87 states and 99 transitions. cyclomatic complexity: 19. Second operand has 14 states, 14 states have (on average 2.5) internal successors, (35), 14 states have internal predecessors, (35), 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 150 states and 173 transitions. Complement of second has 19 states. [2022-12-13 22:04:33,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 15 states 10 stem states 3 non-accepting loop states 2 accepting loop states [2022-12-13 22:04:33,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 2.5) internal successors, (35), 14 states have internal predecessors, (35), 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) [2022-12-13 22:04:33,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 56 transitions. [2022-12-13 22:04:33,816 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 56 transitions. Stem has 40 letters. Loop has 5 letters. [2022-12-13 22:04:33,817 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:04:33,817 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 56 transitions. Stem has 45 letters. Loop has 5 letters. [2022-12-13 22:04:33,817 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:04:33,817 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 56 transitions. Stem has 40 letters. Loop has 10 letters. [2022-12-13 22:04:33,817 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:04:33,818 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 150 states and 173 transitions. [2022-12-13 22:04:33,819 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 22:04:33,819 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 150 states to 124 states and 143 transitions. [2022-12-13 22:04:33,819 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40 [2022-12-13 22:04:33,819 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2022-12-13 22:04:33,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 124 states and 143 transitions. [2022-12-13 22:04:33,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 22:04:33,820 INFO L218 hiAutomatonCegarLoop]: Abstraction has 124 states and 143 transitions. [2022-12-13 22:04:33,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states and 143 transitions. [2022-12-13 22:04:33,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 97. [2022-12-13 22:04:33,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 97 states have (on average 1.1546391752577319) internal successors, (112), 96 states have internal predecessors, (112), 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) [2022-12-13 22:04:33,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 112 transitions. [2022-12-13 22:04:33,823 INFO L240 hiAutomatonCegarLoop]: Abstraction has 97 states and 112 transitions. [2022-12-13 22:04:33,823 INFO L428 stractBuchiCegarLoop]: Abstraction has 97 states and 112 transitions. [2022-12-13 22:04:33,823 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2022-12-13 22:04:33,824 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states and 112 transitions. [2022-12-13 22:04:33,824 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 22:04:33,824 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:04:33,824 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:04:33,826 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:04:33,826 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-12-13 22:04:33,826 INFO L748 eck$LassoCheckResult]: Stem: 4073#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 4037#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 4038#L555 assume !(main_~length1~0#1 < 1); 4066#L555-2 assume !(main_~length2~0#1 < 1); 4030#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 4031#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 4074#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 4075#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 4060#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 4061#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 4064#L564-4 main_~i~1#1 := 0; 4065#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 4114#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 4112#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 4110#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 4109#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 4108#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 4107#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 4106#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 4105#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 4062#L568-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 4063#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 4045#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 4046#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 4071#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 4072#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 4081#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 4101#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 4079#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 4080#L518-1 assume !(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 4029#L518-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := (if cstrlen_~s~0#1.offset - cstrlen_~str#1.offset < 0 && 0 != (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) % 1 then 1 + (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1 else (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1); 4019#cstrlen_returnLabel#1 cstrstr_#t~ret15#1 := cstrlen_#res#1;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 4020#L542-4 goto; 4069#L543-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 4070#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 4098#L543 assume !!(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 4055#L543-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 4032#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 4033#L543 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 4056#L542-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~mem9#1, cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, cstrncmp_#t~mem12#1, cstrncmp_#t~pre4#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 4021#L525 assume !(0 == cstrncmp_~n#1 % 4294967296); 4022#L527-4 [2022-12-13 22:04:33,826 INFO L750 eck$LassoCheckResult]: Loop: 4022#L527-4 call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post5#1.base, 1 + cstrncmp_#t~post5#1.offset;call cstrncmp_#t~mem7#1 := read~int(cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, 1); 4043#L528 assume !(cstrncmp_#t~mem6#1 != cstrncmp_#t~mem7#1);havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset;havoc cstrncmp_#t~mem7#1;cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post11#1.base, 1 + cstrncmp_#t~post11#1.offset;call cstrncmp_#t~mem12#1 := read~int(cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, 1); 4039#L530 assume !(0 == cstrncmp_#t~mem12#1);havoc cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset;havoc cstrncmp_#t~mem12#1; 4025#L527-1 cstrncmp_#t~pre4#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 4026#L527-2 assume !!(0 != cstrncmp_#t~pre4#1 % 4294967296);havoc cstrncmp_#t~pre4#1; 4022#L527-4 [2022-12-13 22:04:33,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:33,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1486630165, now seen corresponding path program 1 times [2022-12-13 22:04:33,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:33,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749746467] [2022-12-13 22:04:33,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:33,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:34,213 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-12-13 22:04:34,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:34,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749746467] [2022-12-13 22:04:34,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749746467] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:04:34,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657114929] [2022-12-13 22:04:34,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:34,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:04:34,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:34,215 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:04:34,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (100)] Waiting until timeout for monitored process [2022-12-13 22:04:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:34,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 55 conjunts are in the unsatisfiable core [2022-12-13 22:04:34,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:04:34,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-13 22:04:34,463 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-12-13 22:04:34,467 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 17 treesize of output 19 [2022-12-13 22:04:34,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 22:04:34,807 INFO L321 Elim1Store]: treesize reduction 19, result has 40.6 percent of original size [2022-12-13 22:04:34,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 22 [2022-12-13 22:04:34,832 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-12-13 22:04:34,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 22:04:35,026 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 22:04:35,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 44 [2022-12-13 22:04:35,044 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 22:04:35,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 115 treesize of output 122 [2022-12-13 22:04:35,056 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 22:04:35,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 64 [2022-12-13 22:04:35,458 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-12-13 22:04:35,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657114929] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 22:04:35,458 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 22:04:35,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 28 [2022-12-13 22:04:35,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766784360] [2022-12-13 22:04:35,458 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 22:04:35,459 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 22:04:35,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:35,459 INFO L85 PathProgramCache]: Analyzing trace with hash 118492775, now seen corresponding path program 4 times [2022-12-13 22:04:35,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:35,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075108859] [2022-12-13 22:04:35,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:35,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:35,463 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:04:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:35,466 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:04:35,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:35,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-12-13 22:04:35,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=666, Unknown=0, NotChecked=0, Total=756 [2022-12-13 22:04:35,597 INFO L87 Difference]: Start difference. First operand 97 states and 112 transitions. cyclomatic complexity: 23 Second operand has 28 states, 28 states have (on average 2.892857142857143) internal successors, (81), 28 states have internal predecessors, (81), 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) [2022-12-13 22:04:36,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:36,009 INFO L93 Difference]: Finished difference Result 107 states and 121 transitions. [2022-12-13 22:04:36,009 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 107 states and 121 transitions. [2022-12-13 22:04:36,009 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 22:04:36,009 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 107 states to 71 states and 82 transitions. [2022-12-13 22:04:36,010 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2022-12-13 22:04:36,010 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2022-12-13 22:04:36,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 82 transitions. [2022-12-13 22:04:36,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 22:04:36,010 INFO L218 hiAutomatonCegarLoop]: Abstraction has 71 states and 82 transitions. [2022-12-13 22:04:36,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 82 transitions. [2022-12-13 22:04:36,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2022-12-13 22:04:36,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 69 states have (on average 1.1594202898550725) internal successors, (80), 68 states have internal predecessors, (80), 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) [2022-12-13 22:04:36,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 80 transitions. [2022-12-13 22:04:36,011 INFO L240 hiAutomatonCegarLoop]: Abstraction has 69 states and 80 transitions. [2022-12-13 22:04:36,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 22:04:36,012 INFO L428 stractBuchiCegarLoop]: Abstraction has 69 states and 80 transitions. [2022-12-13 22:04:36,012 INFO L335 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2022-12-13 22:04:36,012 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 80 transitions. [2022-12-13 22:04:36,012 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 22:04:36,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:04:36,012 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:04:36,013 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:04:36,013 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-12-13 22:04:36,013 INFO L748 eck$LassoCheckResult]: Stem: 4564#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 4533#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 4534#L555 assume !(main_~length1~0#1 < 1); 4562#L555-2 assume !(main_~length2~0#1 < 1); 4526#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 4527#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 4557#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 4558#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 4566#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 4578#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 4577#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 4576#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 4561#L564-4 main_~i~1#1 := 0; 4546#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 4547#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 4548#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 4549#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 4575#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 4574#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 4573#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 4572#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 4571#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 4559#L568-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 4560#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 4540#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 4541#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 4565#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 4542#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 4543#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 4569#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 4568#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 4567#L518-1 assume !(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 4528#L518-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := (if cstrlen_~s~0#1.offset - cstrlen_~str#1.offset < 0 && 0 != (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) % 1 then 1 + (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1 else (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1); 4520#cstrlen_returnLabel#1 cstrstr_#t~ret15#1 := cstrlen_#res#1;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 4521#L542-4 goto; 4544#L543-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 4529#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 4530#L543 assume !!(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 4545#L543-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 4563#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 4551#L543 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 4552#L542-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~mem9#1, cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, cstrncmp_#t~mem12#1, cstrncmp_#t~pre4#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 4516#L525 assume !(0 == cstrncmp_~n#1 % 4294967296); 4517#L527-4 [2022-12-13 22:04:36,013 INFO L750 eck$LassoCheckResult]: Loop: 4517#L527-4 call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post5#1.base, 1 + cstrncmp_#t~post5#1.offset;call cstrncmp_#t~mem7#1 := read~int(cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, 1); 4538#L528 assume !(cstrncmp_#t~mem6#1 != cstrncmp_#t~mem7#1);havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset;havoc cstrncmp_#t~mem7#1;cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post11#1.base, 1 + cstrncmp_#t~post11#1.offset;call cstrncmp_#t~mem12#1 := read~int(cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, 1); 4535#L530 assume !(0 == cstrncmp_#t~mem12#1);havoc cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset;havoc cstrncmp_#t~mem12#1; 4522#L527-1 cstrncmp_#t~pre4#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 4523#L527-2 assume !!(0 != cstrncmp_#t~pre4#1 % 4294967296);havoc cstrncmp_#t~pre4#1; 4517#L527-4 [2022-12-13 22:04:36,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:36,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1821872777, now seen corresponding path program 2 times [2022-12-13 22:04:36,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:36,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998806484] [2022-12-13 22:04:36,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:36,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:36,033 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:04:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:36,055 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:04:36,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:36,055 INFO L85 PathProgramCache]: Analyzing trace with hash 118492775, now seen corresponding path program 5 times [2022-12-13 22:04:36,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:36,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231756875] [2022-12-13 22:04:36,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:36,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:36,060 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:04:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:36,064 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:04:36,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:36,064 INFO L85 PathProgramCache]: Analyzing trace with hash 507484849, now seen corresponding path program 1 times [2022-12-13 22:04:36,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:36,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304339707] [2022-12-13 22:04:36,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:36,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:36,681 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-13 22:04:36,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:04:36,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304339707] [2022-12-13 22:04:36,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304339707] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:04:36,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357418706] [2022-12-13 22:04:36,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:36,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:04:36,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:04:36,683 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:04:36,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (101)] Waiting until timeout for monitored process [2022-12-13 22:04:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:04:36,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 62 conjunts are in the unsatisfiable core [2022-12-13 22:04:36,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:04:36,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-13 22:04:36,990 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-12-13 22:04:36,994 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 17 treesize of output 19 [2022-12-13 22:04:37,386 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 22:04:37,387 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 22:04:37,388 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 18 treesize of output 10 [2022-12-13 22:04:37,409 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-12-13 22:04:37,409 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 22:04:37,594 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 22:04:37,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2022-12-13 22:04:37,601 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 22:04:37,601 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 37 treesize of output 36 [2022-12-13 22:04:37,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-13 22:04:38,051 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-12-13 22:04:38,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357418706] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 22:04:38,051 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 22:04:38,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13, 13] total 38 [2022-12-13 22:04:38,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375363117] [2022-12-13 22:04:38,051 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 22:04:38,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:04:38,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-12-13 22:04:38,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2022-12-13 22:04:38,206 INFO L87 Difference]: Start difference. First operand 69 states and 80 transitions. cyclomatic complexity: 17 Second operand has 38 states, 38 states have (on average 2.736842105263158) internal successors, (104), 38 states have internal predecessors, (104), 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) [2022-12-13 22:04:39,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:04:39,148 INFO L93 Difference]: Finished difference Result 155 states and 178 transitions. [2022-12-13 22:04:39,148 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 155 states and 178 transitions. [2022-12-13 22:04:39,149 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2022-12-13 22:04:39,149 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 155 states to 150 states and 173 transitions. [2022-12-13 22:04:39,149 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2022-12-13 22:04:39,149 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2022-12-13 22:04:39,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 150 states and 173 transitions. [2022-12-13 22:04:39,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 22:04:39,149 INFO L218 hiAutomatonCegarLoop]: Abstraction has 150 states and 173 transitions. [2022-12-13 22:04:39,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states and 173 transitions. [2022-12-13 22:04:39,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 115. [2022-12-13 22:04:39,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 115 states have (on average 1.1565217391304348) internal successors, (133), 114 states have internal predecessors, (133), 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) [2022-12-13 22:04:39,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 133 transitions. [2022-12-13 22:04:39,151 INFO L240 hiAutomatonCegarLoop]: Abstraction has 115 states and 133 transitions. [2022-12-13 22:04:39,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-13 22:04:39,152 INFO L428 stractBuchiCegarLoop]: Abstraction has 115 states and 133 transitions. [2022-12-13 22:04:39,152 INFO L335 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2022-12-13 22:04:39,152 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 115 states and 133 transitions. [2022-12-13 22:04:39,152 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 22:04:39,152 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:04:39,152 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:04:39,153 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:04:39,153 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-12-13 22:04:39,153 INFO L748 eck$LassoCheckResult]: Stem: 5151#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5114#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 5115#L555 assume !(main_~length1~0#1 < 1); 5145#L555-2 assume !(main_~length2~0#1 < 1); 5109#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 5110#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 5139#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 5140#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 5185#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 5156#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 5157#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 5183#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 5180#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 5178#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 5179#L564-4 main_~i~1#1 := 0; 5128#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 5129#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 5130#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 5131#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 5176#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 5177#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 5173#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 5169#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 5167#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 5168#L568-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 5146#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 5147#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 5160#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 5161#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 5126#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 5127#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 5165#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 5166#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 5158#L518-1 assume !(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 5159#L518-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := (if cstrlen_~s~0#1.offset - cstrlen_~str#1.offset < 0 && 0 != (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) % 1 then 1 + (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1 else (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1); 5194#cstrlen_returnLabel#1 cstrstr_#t~ret15#1 := cstrlen_#res#1;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 5193#L542-4 goto; 5148#L543-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 5149#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 5211#L543 assume !!(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 5133#L543-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 5184#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 5134#L543 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 5135#L542-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~mem9#1, cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, cstrncmp_#t~mem12#1, cstrncmp_#t~pre4#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 5101#L525 assume !(0 == cstrncmp_~n#1 % 4294967296); 5102#L527-4 [2022-12-13 22:04:39,153 INFO L750 eck$LassoCheckResult]: Loop: 5102#L527-4 call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post5#1.base, 1 + cstrncmp_#t~post5#1.offset;call cstrncmp_#t~mem7#1 := read~int(cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, 1); 5121#L528 assume !(cstrncmp_#t~mem6#1 != cstrncmp_#t~mem7#1);havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset;havoc cstrncmp_#t~mem7#1;cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post11#1.base, 1 + cstrncmp_#t~post11#1.offset;call cstrncmp_#t~mem12#1 := read~int(cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, 1); 5118#L530 assume !(0 == cstrncmp_#t~mem12#1);havoc cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset;havoc cstrncmp_#t~mem12#1; 5105#L527-1 cstrncmp_#t~pre4#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 5106#L527-2 assume !!(0 != cstrncmp_#t~pre4#1 % 4294967296);havoc cstrncmp_#t~pre4#1; 5102#L527-4 [2022-12-13 22:04:39,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:39,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1277566297, now seen corresponding path program 3 times [2022-12-13 22:04:39,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:39,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097768050] [2022-12-13 22:04:39,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:39,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:39,173 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:04:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:39,187 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:04:39,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:39,187 INFO L85 PathProgramCache]: Analyzing trace with hash 118492775, now seen corresponding path program 6 times [2022-12-13 22:04:39,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:39,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478787553] [2022-12-13 22:04:39,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:39,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:39,191 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:04:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:39,194 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:04:39,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:04:39,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1969129487, now seen corresponding path program 2 times [2022-12-13 22:04:39,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:04:39,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062542554] [2022-12-13 22:04:39,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:04:39,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:04:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:39,215 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:04:39,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:04:39,233 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:04:51,487 WARN L233 SmtUtils]: Spent 12.08s on a formula simplification. DAG size of input: 363 DAG size of output: 283 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:04:54,202 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:04:54,202 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:04:54,202 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:04:54,202 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:04:54,202 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 22:04:54,202 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:04:54,202 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:04:54,202 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:04:54,202 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-2.i_Iteration17_Lasso [2022-12-13 22:04:54,202 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:04:54,202 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:04:54,207 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:54,209 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:54,210 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:54,211 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:54,212 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:54,213 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:54,214 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:54,215 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:54,217 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:54,218 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:54,219 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:54,221 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:54,222 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:54,223 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:54,224 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:54,226 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:59,645 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:59,647 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:59,648 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:59,649 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:59,650 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:59,651 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:59,653 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:59,654 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:59,655 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:59,657 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:59,658 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:59,659 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:59,660 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:59,661 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:59,662 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:59,663 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:59,664 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:59,665 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:59,666 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:59,667 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:59,668 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:59,668 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:59,669 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:59,670 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:59,671 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:59,672 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:04:59,673 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:01,709 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:05:01,709 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 22:05:01,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:01,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:01,711 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:01,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2022-12-13 22:05:01,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:01,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:01,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:01,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:01,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:01,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:01,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:01,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:01,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:01,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2022-12-13 22:05:01,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:01,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:01,727 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:01,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2022-12-13 22:05:01,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:01,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:01,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:01,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:01,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:01,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:01,739 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:01,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:01,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:01,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2022-12-13 22:05:01,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:01,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:01,743 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:01,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2022-12-13 22:05:01,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:01,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:01,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:01,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:01,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:01,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:01,756 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:01,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:01,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:01,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2022-12-13 22:05:01,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:01,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:01,760 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:01,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2022-12-13 22:05:01,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:01,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:01,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:01,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:01,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:01,773 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:05:01,773 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:05:01,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:01,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2022-12-13 22:05:01,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:01,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:01,779 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:01,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2022-12-13 22:05:01,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:01,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:01,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:01,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:01,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:01,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:01,791 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:01,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:01,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:01,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2022-12-13 22:05:01,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:01,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:01,796 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:01,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2022-12-13 22:05:01,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:01,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:01,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:01,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:01,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:01,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:01,808 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:01,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:01,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:01,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2022-12-13 22:05:01,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:01,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:01,813 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:01,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2022-12-13 22:05:01,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:01,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:01,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:01,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:01,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:01,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:01,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:01,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:01,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:01,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2022-12-13 22:05:01,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:01,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:01,829 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:01,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2022-12-13 22:05:01,831 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:01,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:01,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:01,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:01,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:01,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:01,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:01,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:01,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:01,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2022-12-13 22:05:01,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:01,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:01,846 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:01,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2022-12-13 22:05:01,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:01,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:01,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:01,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:01,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:01,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:01,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:01,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:01,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:01,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2022-12-13 22:05:01,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:01,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:01,862 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:01,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2022-12-13 22:05:01,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:01,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:01,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:01,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:01,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:01,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:01,874 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:01,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:01,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:01,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2022-12-13 22:05:01,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:01,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:01,878 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:01,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2022-12-13 22:05:01,880 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:01,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:01,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:01,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:01,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:01,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:01,890 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:01,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:01,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:01,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2022-12-13 22:05:01,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:01,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:01,894 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:01,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2022-12-13 22:05:01,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:01,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:01,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:01,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:01,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:01,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:01,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:01,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:01,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:01,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2022-12-13 22:05:01,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:01,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:01,911 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:01,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2022-12-13 22:05:01,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:01,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:01,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:01,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:01,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:01,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:01,923 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:01,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:01,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:01,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2022-12-13 22:05:01,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:01,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:01,927 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:01,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2022-12-13 22:05:01,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:01,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:01,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:01,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:01,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:01,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:01,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:01,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:01,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:01,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2022-12-13 22:05:01,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:01,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:01,945 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:01,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2022-12-13 22:05:01,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:01,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:01,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:01,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:01,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:01,957 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:05:01,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:05:01,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:01,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2022-12-13 22:05:01,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:01,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:01,963 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:01,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2022-12-13 22:05:01,965 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 [2022-12-13 22:05:01,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:01,975 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-12-13 22:05:01,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:01,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:01,977 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-12-13 22:05:01,977 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:05:01,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:01,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2022-12-13 22:05:01,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:01,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:01,986 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:01,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2022-12-13 22:05:01,988 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 [2022-12-13 22:05:01,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:01,999 INFO L203 nArgumentSynthesizer]: 6 stem disjuncts [2022-12-13 22:05:01,999 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 22:05:01,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:02,032 INFO L401 nArgumentSynthesizer]: We have 36 Motzkin's Theorem applications. [2022-12-13 22:05:02,033 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-12-13 22:05:02,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:02,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2022-12-13 22:05:02,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:02,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:02,102 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:02,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2022-12-13 22:05:02,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:02,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:02,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:02,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:02,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:02,116 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:05:02,116 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:05:02,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:02,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2022-12-13 22:05:02,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:02,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:02,124 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:02,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2022-12-13 22:05:02,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:02,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:02,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:02,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:02,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:02,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:05:02,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:05:02,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:02,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2022-12-13 22:05:02,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:02,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:02,144 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:02,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2022-12-13 22:05:02,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:02,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:02,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:02,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:02,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:02,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:05:02,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:05:02,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:02,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2022-12-13 22:05:02,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:02,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:02,164 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:02,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2022-12-13 22:05:02,166 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:02,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:02,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:02,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:02,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:02,192 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:05:02,192 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:05:02,237 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 22:05:02,409 INFO L443 ModelExtractionUtils]: Simplification made 33 calls to the SMT solver. [2022-12-13 22:05:02,409 INFO L444 ModelExtractionUtils]: 38 out of 88 variables were initially zero. Simplification set additionally 47 variables to zero. [2022-12-13 22:05:02,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:02,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:02,411 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:02,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2022-12-13 22:05:02,412 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 22:05:02,423 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 22:05:02,423 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 22:05:02,423 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncmp_~s2#1.offset, v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_4) = -1*ULTIMATE.start_cstrncmp_~s2#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_4 Supporting invariants [] [2022-12-13 22:05:02,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Ended with exit code 0 [2022-12-13 22:05:02,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Ended with exit code 0 [2022-12-13 22:05:03,481 INFO L156 tatePredicateManager]: 121 out of 123 supporting invariants were superfluous and have been removed [2022-12-13 22:05:03,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:03,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 22:05:03,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:05:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:03,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-13 22:05:03,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:05:03,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:05:03,642 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-12-13 22:05:03,642 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 115 states and 133 transitions. cyclomatic complexity: 27 Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:03,675 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 115 states and 133 transitions. cyclomatic complexity: 27. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 161 states and 183 transitions. Complement of second has 7 states. [2022-12-13 22:05:03,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 22:05:03,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:03,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2022-12-13 22:05:03,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 45 letters. Loop has 5 letters. [2022-12-13 22:05:03,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:05:03,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 50 letters. Loop has 5 letters. [2022-12-13 22:05:03,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:05:03,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 45 letters. Loop has 10 letters. [2022-12-13 22:05:03,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:05:03,677 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 161 states and 183 transitions. [2022-12-13 22:05:03,677 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 22:05:03,677 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 161 states to 134 states and 155 transitions. [2022-12-13 22:05:03,678 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2022-12-13 22:05:03,678 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2022-12-13 22:05:03,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 134 states and 155 transitions. [2022-12-13 22:05:03,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 22:05:03,678 INFO L218 hiAutomatonCegarLoop]: Abstraction has 134 states and 155 transitions. [2022-12-13 22:05:03,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states and 155 transitions. [2022-12-13 22:05:03,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 121. [2022-12-13 22:05:03,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 121 states have (on average 1.165289256198347) internal successors, (141), 120 states have internal predecessors, (141), 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) [2022-12-13 22:05:03,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 141 transitions. [2022-12-13 22:05:03,680 INFO L240 hiAutomatonCegarLoop]: Abstraction has 121 states and 141 transitions. [2022-12-13 22:05:03,680 INFO L428 stractBuchiCegarLoop]: Abstraction has 121 states and 141 transitions. [2022-12-13 22:05:03,680 INFO L335 stractBuchiCegarLoop]: ======== Iteration 18 ============ [2022-12-13 22:05:03,680 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 121 states and 141 transitions. [2022-12-13 22:05:03,680 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 22:05:03,680 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:05:03,680 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:05:03,681 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:05:03,681 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-12-13 22:05:03,681 INFO L748 eck$LassoCheckResult]: Stem: 6105#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6066#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 6067#L555 assume !(main_~length1~0#1 < 1); 6098#L555-2 assume !(main_~length2~0#1 < 1); 6060#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 6061#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 6092#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 6093#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 6106#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 6158#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 6157#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 6154#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 6155#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 6156#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 6096#L564-4 main_~i~1#1 := 0; 6097#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 6152#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 6151#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 6150#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 6148#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 6146#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 6144#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 6141#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 6140#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 6139#L568-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 6099#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 6100#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 6138#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 6103#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 6104#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 6119#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 6123#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 6117#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 6118#L518-1 assume !(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 6137#L518-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := (if cstrlen_~s~0#1.offset - cstrlen_~str#1.offset < 0 && 0 != (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) % 1 then 1 + (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1 else (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1); 6048#cstrlen_returnLabel#1 cstrstr_#t~ret15#1 := cstrlen_#res#1;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 6049#L542-4 goto; 6101#L543-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 6102#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 6164#L543 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 6162#L542-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~mem9#1, cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, cstrncmp_#t~mem12#1, cstrncmp_#t~pre4#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 6159#L525 assume !(0 == cstrncmp_~n#1 % 4294967296); 6160#L527-4 call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post5#1.base, 1 + cstrncmp_#t~post5#1.offset;call cstrncmp_#t~mem7#1 := read~int(cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, 1); 6091#L528 assume cstrncmp_#t~mem6#1 != cstrncmp_#t~mem7#1;havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset;havoc cstrncmp_#t~mem7#1;call cstrncmp_#t~mem9#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset - 1;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset - 1;call cstrncmp_#t~mem10#1 := read~int(cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, 1);cstrncmp_#res#1 := cstrncmp_#t~mem9#1 % 256 - cstrncmp_#t~mem10#1 % 256;havoc cstrncmp_#t~mem9#1;havoc cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset;havoc cstrncmp_#t~mem10#1; 6115#cstrncmp_returnLabel#1 cstrstr_#t~ret16#1 := cstrncmp_#res#1;assume { :end_inline_cstrncmp } true; 6114#L542-2 assume !!(0 != cstrstr_#t~ret16#1);havoc cstrstr_#t~ret16#1; 6113#L542-4 goto; 6111#L543-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 6109#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 6086#L543 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 6087#L542-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~mem9#1, cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, cstrncmp_#t~mem12#1, cstrncmp_#t~pre4#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 6050#L525 assume !(0 == cstrncmp_~n#1 % 4294967296); 6051#L527-4 [2022-12-13 22:05:03,681 INFO L750 eck$LassoCheckResult]: Loop: 6051#L527-4 call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post5#1.base, 1 + cstrncmp_#t~post5#1.offset;call cstrncmp_#t~mem7#1 := read~int(cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, 1); 6071#L528 assume !(cstrncmp_#t~mem6#1 != cstrncmp_#t~mem7#1);havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset;havoc cstrncmp_#t~mem7#1;cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post11#1.base, 1 + cstrncmp_#t~post11#1.offset;call cstrncmp_#t~mem12#1 := read~int(cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, 1); 6068#L530 assume !(0 == cstrncmp_#t~mem12#1);havoc cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset;havoc cstrncmp_#t~mem12#1; 6054#L527-1 cstrncmp_#t~pre4#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 6055#L527-2 assume !!(0 != cstrncmp_#t~pre4#1 % 4294967296);havoc cstrncmp_#t~pre4#1; 6051#L527-4 [2022-12-13 22:05:03,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:03,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1332858707, now seen corresponding path program 1 times [2022-12-13 22:05:03,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:05:03,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041513078] [2022-12-13 22:05:03,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:05:03,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:05:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:05:03,700 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:05:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:05:03,721 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:05:03,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:03,721 INFO L85 PathProgramCache]: Analyzing trace with hash 118492775, now seen corresponding path program 7 times [2022-12-13 22:05:03,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:05:03,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121412609] [2022-12-13 22:05:03,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:05:03,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:05:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:05:03,725 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:05:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:05:03,727 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:05:03,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:03,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1922995909, now seen corresponding path program 1 times [2022-12-13 22:05:03,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:05:03,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614055889] [2022-12-13 22:05:03,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:05:03,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:05:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:05:03,750 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:05:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:05:03,770 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:05:22,433 WARN L233 SmtUtils]: Spent 18.53s on a formula simplification. DAG size of input: 438 DAG size of output: 333 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:05:24,970 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:05:24,970 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:05:24,970 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:05:24,970 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:05:24,970 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 22:05:24,970 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:24,970 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:05:24,970 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:05:24,970 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-2.i_Iteration18_Lasso [2022-12-13 22:05:24,970 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:05:24,970 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:05:24,973 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:24,975 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:24,976 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:24,977 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:24,978 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:24,979 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:24,981 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:24,982 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:24,983 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:24,984 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:24,985 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:24,986 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:24,987 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:24,989 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:24,990 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:24,991 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:24,992 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:24,993 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:24,994 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:24,995 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:24,997 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:24,998 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:24,999 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:25,000 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:25,001 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:25,002 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:25,003 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:25,004 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:25,006 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:25,007 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:25,008 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:25,009 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:25,011 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:25,012 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:25,013 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:31,519 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:31,521 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:31,522 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:31,523 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:31,524 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:31,525 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:31,526 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:31,527 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:31,528 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:05:34,227 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:05:34,227 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 22:05:34,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,228 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2022-12-13 22:05:34,230 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 [2022-12-13 22:05:34,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,241 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2022-12-13 22:05:34,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,249 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2022-12-13 22:05:34,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Ended with exit code 0 [2022-12-13 22:05:34,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,266 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2022-12-13 22:05:34,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,279 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Forceful destruction successful, exit code 0 [2022-12-13 22:05:34,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,283 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2022-12-13 22:05:34,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,296 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:05:34,296 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:05:34,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2022-12-13 22:05:34,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,302 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2022-12-13 22:05:34,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,315 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Ended with exit code 0 [2022-12-13 22:05:34,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,320 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2022-12-13 22:05:34,322 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,333 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Ended with exit code 0 [2022-12-13 22:05:34,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,337 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2022-12-13 22:05:34,339 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 [2022-12-13 22:05:34,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,350 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Ended with exit code 0 [2022-12-13 22:05:34,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,354 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2022-12-13 22:05:34,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,369 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Ended with exit code 0 [2022-12-13 22:05:34,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,371 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2022-12-13 22:05:34,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,384 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2022-12-13 22:05:34,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,388 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2022-12-13 22:05:34,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,401 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Ended with exit code 0 [2022-12-13 22:05:34,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,405 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2022-12-13 22:05:34,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,418 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Ended with exit code 0 [2022-12-13 22:05:34,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,422 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2022-12-13 22:05:34,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Ended with exit code 0 [2022-12-13 22:05:34,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,439 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2022-12-13 22:05:34,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,453 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:05:34,453 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:05:34,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Forceful destruction successful, exit code 0 [2022-12-13 22:05:34,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,460 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2022-12-13 22:05:34,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Forceful destruction successful, exit code 0 [2022-12-13 22:05:34,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,477 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2022-12-13 22:05:34,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Ended with exit code 0 [2022-12-13 22:05:34,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,494 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2022-12-13 22:05:34,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,506 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2022-12-13 22:05:34,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,511 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2022-12-13 22:05:34,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,524 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,524 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Ended with exit code 0 [2022-12-13 22:05:34,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,528 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2022-12-13 22:05:34,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,540 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2022-12-13 22:05:34,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,545 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2022-12-13 22:05:34,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2022-12-13 22:05:34,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,561 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2022-12-13 22:05:34,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,576 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Ended with exit code 0 [2022-12-13 22:05:34,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,579 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2022-12-13 22:05:34,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,591 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Ended with exit code 0 [2022-12-13 22:05:34,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,595 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2022-12-13 22:05:34,598 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 [2022-12-13 22:05:34,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Ended with exit code 0 [2022-12-13 22:05:34,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,612 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2022-12-13 22:05:34,615 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 [2022-12-13 22:05:34,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,625 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Ended with exit code 0 [2022-12-13 22:05:34,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,629 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2022-12-13 22:05:34,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,641 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Ended with exit code 0 [2022-12-13 22:05:34,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,646 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2022-12-13 22:05:34,648 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 [2022-12-13 22:05:34,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,658 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Ended with exit code 0 [2022-12-13 22:05:34,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,663 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2022-12-13 22:05:34,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Ended with exit code 0 [2022-12-13 22:05:34,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,679 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2022-12-13 22:05:34,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,692 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:05:34,692 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:05:34,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Ended with exit code 0 [2022-12-13 22:05:34,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,698 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2022-12-13 22:05:34,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Ended with exit code 0 [2022-12-13 22:05:34,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,715 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2022-12-13 22:05:34,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,728 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,728 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Ended with exit code 0 [2022-12-13 22:05:34,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,733 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2022-12-13 22:05:34,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Ended with exit code 0 [2022-12-13 22:05:34,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,750 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2022-12-13 22:05:34,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Ended with exit code 0 [2022-12-13 22:05:34,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,767 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2022-12-13 22:05:34,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,780 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:05:34,780 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:05:34,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Ended with exit code 0 [2022-12-13 22:05:34,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,786 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2022-12-13 22:05:34,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,798 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Ended with exit code 0 [2022-12-13 22:05:34,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,803 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2022-12-13 22:05:34,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:05:34,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:05:34,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:05:34,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Ended with exit code 0 [2022-12-13 22:05:34,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,820 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2022-12-13 22:05:34,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,832 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-12-13 22:05:34,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,834 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-12-13 22:05:34,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:05:34,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:05:34,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Ended with exit code 0 [2022-12-13 22:05:34,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:34,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:34,842 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:34,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2022-12-13 22:05:34,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:05:34,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:05:34,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:05:34,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:05:34,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:05:34,869 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:05:34,869 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:05:34,915 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 22:05:35,183 INFO L443 ModelExtractionUtils]: Simplification made 23 calls to the SMT solver. [2022-12-13 22:05:35,183 INFO L444 ModelExtractionUtils]: 17 out of 91 variables were initially zero. Simplification set additionally 67 variables to zero. [2022-12-13 22:05:35,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:05:35,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:35,184 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:05:35,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2022-12-13 22:05:35,186 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 22:05:35,197 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-12-13 22:05:35,198 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 22:05:35,198 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncmp_~s1#1.offset) = -2*ULTIMATE.start_cstrncmp_~s1#1.offset + 8589934589 Supporting invariants [4294967295*ULTIMATE.start_main_~nondetString2~0#1.offset + 4294967295*ULTIMATE.start_main_~length2~0#1 - 4294967295*ULTIMATE.start_cstrlen_~s~0#1.offset - 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_6 >= 0] [2022-12-13 22:05:35,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Ended with exit code 0 [2022-12-13 22:05:35,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Ended with exit code 0 [2022-12-13 22:05:36,800 INFO L156 tatePredicateManager]: 147 out of 151 supporting invariants were superfluous and have been removed [2022-12-13 22:05:36,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:36,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 75 conjunts are in the unsatisfiable core [2022-12-13 22:05:36,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:05:36,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 22:05:36,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 11 [2022-12-13 22:05:36,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-13 22:05:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:37,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-13 22:05:37,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:05:37,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:05:37,862 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.18 stem predicates 3 loop predicates [2022-12-13 22:05:37,862 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 121 states and 141 transitions. cyclomatic complexity: 30 Second operand has 21 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 21 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:38,428 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 121 states and 141 transitions. cyclomatic complexity: 30. Second operand has 21 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 21 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 255 states and 298 transitions. Complement of second has 25 states. [2022-12-13 22:05:38,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 22 states 18 stem states 2 non-accepting loop states 2 accepting loop states [2022-12-13 22:05:38,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 21 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:38,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 138 transitions. [2022-12-13 22:05:38,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 138 transitions. Stem has 52 letters. Loop has 5 letters. [2022-12-13 22:05:38,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:05:38,429 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-12-13 22:05:38,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:38,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 74 conjunts are in the unsatisfiable core [2022-12-13 22:05:38,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:05:38,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 22:05:38,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 11 [2022-12-13 22:05:38,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-13 22:05:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:39,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-13 22:05:39,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:05:39,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:05:39,529 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.18 stem predicates 3 loop predicates [2022-12-13 22:05:39,529 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 121 states and 141 transitions. cyclomatic complexity: 30 Second operand has 21 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 21 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:40,179 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 121 states and 141 transitions. cyclomatic complexity: 30. Second operand has 21 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 21 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 253 states and 295 transitions. Complement of second has 25 states. [2022-12-13 22:05:40,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 22 states 18 stem states 2 non-accepting loop states 2 accepting loop states [2022-12-13 22:05:40,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 21 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:40,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 137 transitions. [2022-12-13 22:05:40,181 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 137 transitions. Stem has 52 letters. Loop has 5 letters. [2022-12-13 22:05:40,181 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:05:40,181 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-12-13 22:05:40,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:40,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 72 conjunts are in the unsatisfiable core [2022-12-13 22:05:40,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:05:40,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 22:05:40,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 9 treesize of output 11 [2022-12-13 22:05:40,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-13 22:05:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:41,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-13 22:05:41,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:05:41,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:05:41,116 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.18 stem predicates 3 loop predicates [2022-12-13 22:05:41,116 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 121 states and 141 transitions. cyclomatic complexity: 30 Second operand has 21 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 21 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:41,691 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 121 states and 141 transitions. cyclomatic complexity: 30. Second operand has 21 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 21 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 348 states and 404 transitions. Complement of second has 27 states. [2022-12-13 22:05:41,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 22 states 18 stem states 2 non-accepting loop states 2 accepting loop states [2022-12-13 22:05:41,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 21 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:05:41,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 189 transitions. [2022-12-13 22:05:41,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 189 transitions. Stem has 52 letters. Loop has 5 letters. [2022-12-13 22:05:41,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:05:41,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 189 transitions. Stem has 57 letters. Loop has 5 letters. [2022-12-13 22:05:41,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:05:41,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 189 transitions. Stem has 52 letters. Loop has 10 letters. [2022-12-13 22:05:41,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:05:41,692 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 348 states and 404 transitions. [2022-12-13 22:05:41,693 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 20 [2022-12-13 22:05:41,694 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 348 states to 280 states and 323 transitions. [2022-12-13 22:05:41,694 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 80 [2022-12-13 22:05:41,694 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 84 [2022-12-13 22:05:41,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 280 states and 323 transitions. [2022-12-13 22:05:41,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 22:05:41,694 INFO L218 hiAutomatonCegarLoop]: Abstraction has 280 states and 323 transitions. [2022-12-13 22:05:41,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states and 323 transitions. [2022-12-13 22:05:41,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 139. [2022-12-13 22:05:41,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 139 states have (on average 1.158273381294964) internal successors, (161), 138 states have internal predecessors, (161), 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) [2022-12-13 22:05:41,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 161 transitions. [2022-12-13 22:05:41,697 INFO L240 hiAutomatonCegarLoop]: Abstraction has 139 states and 161 transitions. [2022-12-13 22:05:41,697 INFO L428 stractBuchiCegarLoop]: Abstraction has 139 states and 161 transitions. [2022-12-13 22:05:41,697 INFO L335 stractBuchiCegarLoop]: ======== Iteration 19 ============ [2022-12-13 22:05:41,697 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states and 161 transitions. [2022-12-13 22:05:41,697 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 22:05:41,697 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:05:41,697 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:05:41,697 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:05:41,697 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-12-13 22:05:41,698 INFO L748 eck$LassoCheckResult]: Stem: 8428#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8395#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 8396#L555 assume !(main_~length1~0#1 < 1); 8426#L555-2 assume !(main_~length2~0#1 < 1); 8388#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 8389#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 8432#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 8433#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 8420#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 8421#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 8441#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 8496#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 8495#L564-4 main_~i~1#1 := 0; 8494#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 8493#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 8492#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 8491#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 8490#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 8489#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 8488#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 8487#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 8486#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 8485#L568-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 8484#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 8483#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 8482#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 8481#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 8480#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 8478#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 8479#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 8477#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 8476#L518-1 assume !(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 8475#L518-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := (if cstrlen_~s~0#1.offset - cstrlen_~str#1.offset < 0 && 0 != (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) % 1 then 1 + (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1 else (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1); 8474#cstrlen_returnLabel#1 cstrstr_#t~ret15#1 := cstrlen_#res#1;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 8473#L542-4 goto; 8472#L543-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 8470#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 8467#L543 assume !!(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 8468#L543-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 8516#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 8515#L543 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 8514#L542-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~mem9#1, cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, cstrncmp_#t~mem12#1, cstrncmp_#t~pre4#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 8513#L525 assume !(0 == cstrncmp_~n#1 % 4294967296); 8418#L527-4 call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post5#1.base, 1 + cstrncmp_#t~post5#1.offset;call cstrncmp_#t~mem7#1 := read~int(cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, 1); 8419#L528 assume cstrncmp_#t~mem6#1 != cstrncmp_#t~mem7#1;havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset;havoc cstrncmp_#t~mem7#1;call cstrncmp_#t~mem9#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset - 1;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset - 1;call cstrncmp_#t~mem10#1 := read~int(cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, 1);cstrncmp_#res#1 := cstrncmp_#t~mem9#1 % 256 - cstrncmp_#t~mem10#1 % 256;havoc cstrncmp_#t~mem9#1;havoc cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset;havoc cstrncmp_#t~mem10#1; 8393#cstrncmp_returnLabel#1 cstrstr_#t~ret16#1 := cstrncmp_#res#1;assume { :end_inline_cstrncmp } true; 8394#L542-2 assume !!(0 != cstrstr_#t~ret16#1);havoc cstrstr_#t~ret16#1; 8448#L542-4 goto; 8447#L543-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 8443#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 8414#L543 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 8415#L542-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~mem9#1, cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, cstrncmp_#t~mem12#1, cstrncmp_#t~pre4#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 8378#L525 assume !(0 == cstrncmp_~n#1 % 4294967296); 8379#L527-4 [2022-12-13 22:05:41,698 INFO L750 eck$LassoCheckResult]: Loop: 8379#L527-4 call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post5#1.base, 1 + cstrncmp_#t~post5#1.offset;call cstrncmp_#t~mem7#1 := read~int(cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, 1); 8401#L528 assume !(cstrncmp_#t~mem6#1 != cstrncmp_#t~mem7#1);havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset;havoc cstrncmp_#t~mem7#1;cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post11#1.base, 1 + cstrncmp_#t~post11#1.offset;call cstrncmp_#t~mem12#1 := read~int(cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, 1); 8397#L530 assume !(0 == cstrncmp_#t~mem12#1);havoc cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset;havoc cstrncmp_#t~mem12#1; 8384#L527-1 cstrncmp_#t~pre4#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 8385#L527-2 assume !!(0 != cstrncmp_#t~pre4#1 % 4294967296);havoc cstrncmp_#t~pre4#1; 8379#L527-4 [2022-12-13 22:05:41,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:41,698 INFO L85 PathProgramCache]: Analyzing trace with hash 246220363, now seen corresponding path program 1 times [2022-12-13 22:05:41,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:05:41,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735508713] [2022-12-13 22:05:41,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:05:41,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:05:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:42,147 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-12-13 22:05:42,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:05:42,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735508713] [2022-12-13 22:05:42,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735508713] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 22:05:42,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207741277] [2022-12-13 22:05:42,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:05:42,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:05:42,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:05:42,149 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:05:42,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (161)] Waiting until timeout for monitored process [2022-12-13 22:05:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:05:42,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 65 conjunts are in the unsatisfiable core [2022-12-13 22:05:42,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:05:42,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-13 22:05:42,416 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-12-13 22:05:42,419 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 17 treesize of output 19 [2022-12-13 22:05:42,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 22:05:42,913 INFO L321 Elim1Store]: treesize reduction 19, result has 40.6 percent of original size [2022-12-13 22:05:42,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 22 [2022-12-13 22:05:42,934 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-12-13 22:05:42,934 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 22:05:43,093 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 22:05:43,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 44 [2022-12-13 22:05:43,110 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 22:05:43,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 115 treesize of output 122 [2022-12-13 22:05:43,120 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 22:05:43,120 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 64 [2022-12-13 22:05:43,535 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-12-13 22:05:43,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207741277] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 22:05:43,536 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 22:05:43,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 34 [2022-12-13 22:05:43,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816169032] [2022-12-13 22:05:43,536 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 22:05:43,536 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 22:05:43,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:43,536 INFO L85 PathProgramCache]: Analyzing trace with hash 118492775, now seen corresponding path program 8 times [2022-12-13 22:05:43,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:05:43,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283333917] [2022-12-13 22:05:43,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:05:43,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:05:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:05:43,539 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:05:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:05:43,542 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:05:43,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:05:43,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-12-13 22:05:43,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1016, Unknown=0, NotChecked=0, Total=1122 [2022-12-13 22:05:43,697 INFO L87 Difference]: Start difference. First operand 139 states and 161 transitions. cyclomatic complexity: 32 Second operand has 34 states, 34 states have (on average 3.1470588235294117) internal successors, (107), 34 states have internal predecessors, (107), 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) [2022-12-13 22:05:44,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:05:44,410 INFO L93 Difference]: Finished difference Result 150 states and 170 transitions. [2022-12-13 22:05:44,410 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 150 states and 170 transitions. [2022-12-13 22:05:44,410 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 22:05:44,411 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 150 states to 93 states and 107 transitions. [2022-12-13 22:05:44,411 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2022-12-13 22:05:44,411 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2022-12-13 22:05:44,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 93 states and 107 transitions. [2022-12-13 22:05:44,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 22:05:44,411 INFO L218 hiAutomatonCegarLoop]: Abstraction has 93 states and 107 transitions. [2022-12-13 22:05:44,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states and 107 transitions. [2022-12-13 22:05:44,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 92. [2022-12-13 22:05:44,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 92 states have (on average 1.1521739130434783) internal successors, (106), 91 states have internal predecessors, (106), 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) [2022-12-13 22:05:44,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 106 transitions. [2022-12-13 22:05:44,412 INFO L240 hiAutomatonCegarLoop]: Abstraction has 92 states and 106 transitions. [2022-12-13 22:05:44,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 22:05:44,413 INFO L428 stractBuchiCegarLoop]: Abstraction has 92 states and 106 transitions. [2022-12-13 22:05:44,413 INFO L335 stractBuchiCegarLoop]: ======== Iteration 20 ============ [2022-12-13 22:05:44,413 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 92 states and 106 transitions. [2022-12-13 22:05:44,413 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 22:05:44,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 22:05:44,413 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 22:05:44,414 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:05:44,414 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-12-13 22:05:44,414 INFO L748 eck$LassoCheckResult]: Stem: 9093#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9059#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~nondet25#1, main_#t~post24#1, main_~i~0#1, main_#t~nondet27#1, main_#t~post26#1, main_~i~1#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 9060#L555 assume !(main_~length1~0#1 < 1); 9090#L555-2 assume !(main_~length2~0#1 < 1); 9055#L558-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;main_~i~0#1 := 0; 9056#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 9085#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 9086#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 9095#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 9129#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 9128#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 9127#L564-3 assume !!(main_~i~0#1 < main_~length1~0#1);call write~int(main_#t~nondet25#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet25#1; 9126#L564-2 main_#t~post24#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post24#1;havoc main_#t~post24#1; 9125#L564-3 assume !(main_~i~0#1 < main_~length1~0#1); 9089#L564-4 main_~i~1#1 := 0; 9075#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 9076#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 9077#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 9078#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 9117#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 9115#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 9113#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 9111#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 9110#L568-3 assume !!(main_~i~1#1 < main_~length2~0#1);call write~int(main_#t~nondet27#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet27#1; 9109#L568-2 main_#t~post26#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post26#1;havoc main_#t~post26#1; 9108#L568-3 assume !(main_~i~1#1 < main_~length2~0#1); 9087#L568-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 9088#L540 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 9091#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 9072#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 9103#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 9102#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 9099#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 9100#L518-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 9098#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 9096#L518-1 assume !(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 9054#L518-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := (if cstrlen_~s~0#1.offset - cstrlen_~str#1.offset < 0 && 0 != (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) % 1 then 1 + (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1 else (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1); 9044#cstrlen_returnLabel#1 cstrstr_#t~ret15#1 := cstrlen_#res#1;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 9045#L542-4 goto; 9073#L543-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 9057#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 9058#L543 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 9083#L542-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~mem9#1, cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, cstrncmp_#t~mem12#1, cstrncmp_#t~pre4#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 9048#L525 assume !(0 == cstrncmp_~n#1 % 4294967296); 9049#L527-4 call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post5#1.base, 1 + cstrncmp_#t~post5#1.offset;call cstrncmp_#t~mem7#1 := read~int(cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, 1); 9097#L528 assume cstrncmp_#t~mem6#1 != cstrncmp_#t~mem7#1;havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset;havoc cstrncmp_#t~mem7#1;call cstrncmp_#t~mem9#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset - 1;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset - 1;call cstrncmp_#t~mem10#1 := read~int(cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, 1);cstrncmp_#res#1 := cstrncmp_#t~mem9#1 % 256 - cstrncmp_#t~mem10#1 % 256;havoc cstrncmp_#t~mem9#1;havoc cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset;havoc cstrncmp_#t~mem10#1; 9061#cstrncmp_returnLabel#1 cstrstr_#t~ret16#1 := cstrncmp_#res#1;assume { :end_inline_cstrncmp } true; 9062#L542-2 assume !!(0 != cstrstr_#t~ret16#1);havoc cstrstr_#t~ret16#1; 9065#L542-4 goto; 9074#L543-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 9104#L544 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 9080#L543 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 9081#L542-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~mem9#1, cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, cstrncmp_#t~mem12#1, cstrncmp_#t~pre4#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 9046#L525 assume !(0 == cstrncmp_~n#1 % 4294967296); 9047#L527-4 [2022-12-13 22:05:44,414 INFO L750 eck$LassoCheckResult]: Loop: 9047#L527-4 call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post5#1.base, 1 + cstrncmp_#t~post5#1.offset;call cstrncmp_#t~mem7#1 := read~int(cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, 1); 9066#L528 assume !(cstrncmp_#t~mem6#1 != cstrncmp_#t~mem7#1);havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset;havoc cstrncmp_#t~mem7#1;cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post11#1.base, 1 + cstrncmp_#t~post11#1.offset;call cstrncmp_#t~mem12#1 := read~int(cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, 1); 9063#L530 assume !(0 == cstrncmp_#t~mem12#1);havoc cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset;havoc cstrncmp_#t~mem12#1; 9050#L527-1 cstrncmp_#t~pre4#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 9051#L527-2 assume !!(0 != cstrncmp_#t~pre4#1 % 4294967296);havoc cstrncmp_#t~pre4#1; 9047#L527-4 [2022-12-13 22:05:44,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:44,414 INFO L85 PathProgramCache]: Analyzing trace with hash -98812213, now seen corresponding path program 2 times [2022-12-13 22:05:44,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:05:44,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315239666] [2022-12-13 22:05:44,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:05:44,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:05:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:05:44,437 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:05:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:05:44,462 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:05:44,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:44,463 INFO L85 PathProgramCache]: Analyzing trace with hash 118492775, now seen corresponding path program 9 times [2022-12-13 22:05:44,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:05:44,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963602003] [2022-12-13 22:05:44,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:05:44,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:05:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:05:44,467 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:05:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:05:44,469 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:05:44,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:05:44,470 INFO L85 PathProgramCache]: Analyzing trace with hash 597523933, now seen corresponding path program 2 times [2022-12-13 22:05:44,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:05:44,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224283571] [2022-12-13 22:05:44,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:05:44,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:05:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:05:44,500 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:05:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:05:44,526 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:06:06,319 WARN L233 SmtUtils]: Spent 21.66s on a formula simplification. DAG size of input: 452 DAG size of output: 345 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 22:06:09,099 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 22:06:09,099 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 22:06:09,099 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 22:06:09,099 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 22:06:09,099 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 22:06:09,099 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:06:09,099 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 22:06:09,099 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 22:06:09,099 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-2.i_Iteration20_Lasso [2022-12-13 22:06:09,099 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 22:06:09,099 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 22:06:09,102 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:09,104 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:09,105 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:09,106 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,893 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,894 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,896 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,897 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,898 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,899 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,900 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,901 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,902 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,902 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,903 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,905 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,906 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,907 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,907 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,908 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,909 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,910 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,911 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,912 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,913 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,914 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,915 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,916 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,917 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,918 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,919 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,921 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,922 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,923 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,925 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,926 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,928 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,929 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,930 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,931 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,932 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,933 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,934 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,935 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:16,937 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 22:06:19,147 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 22:06:19,148 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 22:06:19,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:06:19,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:06:19,148 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:06:19,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2022-12-13 22:06:19,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:06:19,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:06:19,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:06:19,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:06:19,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:06:19,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:06:19,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:06:19,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:06:19,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:06:19,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Ended with exit code 0 [2022-12-13 22:06:19,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:06:19,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:06:19,165 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:06:19,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2022-12-13 22:06:19,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:06:19,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:06:19,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:06:19,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:06:19,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:06:19,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:06:19,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:06:19,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:06:19,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:06:19,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Ended with exit code 0 [2022-12-13 22:06:19,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:06:19,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:06:19,182 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:06:19,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2022-12-13 22:06:19,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:06:19,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:06:19,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 22:06:19,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:06:19,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:06:19,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:06:19,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 22:06:19,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 22:06:19,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:06:19,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Ended with exit code 0 [2022-12-13 22:06:19,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:06:19,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:06:19,198 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:06:19,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2022-12-13 22:06:19,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:06:19,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:06:19,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:06:19,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:06:19,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:06:19,217 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:06:19,217 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:06:19,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:06:19,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Forceful destruction successful, exit code 0 [2022-12-13 22:06:19,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:06:19,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:06:19,238 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:06:19,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2022-12-13 22:06:19,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:06:19,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:06:19,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:06:19,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:06:19,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:06:19,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:06:19,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:06:19,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 22:06:19,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Ended with exit code 0 [2022-12-13 22:06:19,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:06:19,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:06:19,259 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:06:19,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2022-12-13 22:06:19,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 22:06:19,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 22:06:19,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 22:06:19,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 22:06:19,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 22:06:19,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 22:06:19,285 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 22:06:19,340 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 22:06:19,461 INFO L443 ModelExtractionUtils]: Simplification made 33 calls to the SMT solver. [2022-12-13 22:06:19,461 INFO L444 ModelExtractionUtils]: 27 out of 79 variables were initially zero. Simplification set additionally 49 variables to zero. [2022-12-13 22:06:19,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 22:06:19,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:06:19,462 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 22:06:19,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2022-12-13 22:06:19,464 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 22:06:19,475 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 22:06:19,476 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 22:06:19,476 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncmp_~s2#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc23#1.base)_8) = -1*ULTIMATE.start_cstrncmp_~s2#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc23#1.base)_8 Supporting invariants [] [2022-12-13 22:06:19,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Ended with exit code 0 [2022-12-13 22:06:19,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Ended with exit code 0 [2022-12-13 22:06:20,803 INFO L156 tatePredicateManager]: 144 out of 145 supporting invariants were superfluous and have been removed [2022-12-13 22:06:20,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:06:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:06:20,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-13 22:06:20,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:06:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:06:20,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-13 22:06:20,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:06:20,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:06:20,978 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2022-12-13 22:06:20,978 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 92 states and 106 transitions. cyclomatic complexity: 21 Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 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) [2022-12-13 22:06:21,027 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 92 states and 106 transitions. cyclomatic complexity: 21. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 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) Result 109 states and 124 transitions. Complement of second has 8 states. [2022-12-13 22:06:21,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 22:06:21,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 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) [2022-12-13 22:06:21,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 35 transitions. [2022-12-13 22:06:21,028 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 35 transitions. Stem has 54 letters. Loop has 5 letters. [2022-12-13 22:06:21,028 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:06:21,028 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-12-13 22:06:21,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:06:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:06:21,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-13 22:06:21,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:06:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:06:21,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-13 22:06:21,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:06:21,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:06:21,189 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 2 loop predicates [2022-12-13 22:06:21,189 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 92 states and 106 transitions. cyclomatic complexity: 21 Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 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) [2022-12-13 22:06:21,238 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 92 states and 106 transitions. cyclomatic complexity: 21. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 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) Result 126 states and 147 transitions. Complement of second has 10 states. [2022-12-13 22:06:21,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 2 non-accepting loop states 1 accepting loop states [2022-12-13 22:06:21,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 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) [2022-12-13 22:06:21,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 42 transitions. [2022-12-13 22:06:21,239 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 42 transitions. Stem has 54 letters. Loop has 5 letters. [2022-12-13 22:06:21,239 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:06:21,239 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-12-13 22:06:21,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:06:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:06:21,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-13 22:06:21,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:06:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:06:21,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-13 22:06:21,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 22:06:21,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:06:21,395 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2022-12-13 22:06:21,395 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 92 states and 106 transitions. cyclomatic complexity: 21 Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 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) [2022-12-13 22:06:21,439 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 92 states and 106 transitions. cyclomatic complexity: 21. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 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) Result 108 states and 122 transitions. Complement of second has 7 states. [2022-12-13 22:06:21,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 22:06:21,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 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) [2022-12-13 22:06:21,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 50 transitions. [2022-12-13 22:06:21,439 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 50 transitions. Stem has 54 letters. Loop has 5 letters. [2022-12-13 22:06:21,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:06:21,439 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 50 transitions. Stem has 59 letters. Loop has 5 letters. [2022-12-13 22:06:21,440 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:06:21,440 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 50 transitions. Stem has 54 letters. Loop has 10 letters. [2022-12-13 22:06:21,440 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 22:06:21,440 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 122 transitions. [2022-12-13 22:06:21,440 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 22:06:21,440 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 0 states and 0 transitions. [2022-12-13 22:06:21,440 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 22:06:21,440 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 22:06:21,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 22:06:21,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:06:21,440 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 22:06:21,440 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 22:06:21,441 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 22:06:21,441 INFO L335 stractBuchiCegarLoop]: ======== Iteration 21 ============ [2022-12-13 22:06:21,441 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 22:06:21,441 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 22:06:21,441 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 22:06:21,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 10:06:21 BoogieIcfgContainer [2022-12-13 22:06:21,445 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 22:06:21,446 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:06:21,446 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:06:21,446 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:06:21,446 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:03:51" (3/4) ... [2022-12-13 22:06:21,448 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 22:06:21,448 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:06:21,448 INFO L158 Benchmark]: Toolchain (without parser) took 150572.14ms. Allocated memory was 157.3MB in the beginning and 239.1MB in the end (delta: 81.8MB). Free memory was 119.3MB in the beginning and 70.9MB in the end (delta: 48.4MB). Peak memory consumption was 130.8MB. Max. memory is 16.1GB. [2022-12-13 22:06:21,449 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 157.3MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:06:21,449 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.18ms. Allocated memory is still 157.3MB. Free memory was 119.3MB in the beginning and 102.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 22:06:21,449 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.82ms. Allocated memory is still 157.3MB. Free memory was 102.5MB in the beginning and 100.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:06:21,449 INFO L158 Benchmark]: Boogie Preprocessor took 27.70ms. Allocated memory is still 157.3MB. Free memory was 100.4MB in the beginning and 98.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:06:21,449 INFO L158 Benchmark]: RCFGBuilder took 363.04ms. Allocated memory is still 157.3MB. Free memory was 98.9MB in the beginning and 82.5MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 22:06:21,449 INFO L158 Benchmark]: BuchiAutomizer took 149807.97ms. Allocated memory was 157.3MB in the beginning and 239.1MB in the end (delta: 81.8MB). Free memory was 82.5MB in the beginning and 70.9MB in the end (delta: 11.6MB). Peak memory consumption was 95.1MB. Max. memory is 16.1GB. [2022-12-13 22:06:21,449 INFO L158 Benchmark]: Witness Printer took 2.58ms. Allocated memory is still 239.1MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:06:21,450 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 157.3MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.18ms. Allocated memory is still 157.3MB. Free memory was 119.3MB in the beginning and 102.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.82ms. Allocated memory is still 157.3MB. Free memory was 102.5MB in the beginning and 100.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.70ms. Allocated memory is still 157.3MB. Free memory was 100.4MB in the beginning and 98.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 363.04ms. Allocated memory is still 157.3MB. Free memory was 98.9MB in the beginning and 82.5MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 149807.97ms. Allocated memory was 157.3MB in the beginning and 239.1MB in the end (delta: 81.8MB). Free memory was 82.5MB in the beginning and 70.9MB in the end (delta: 11.6MB). Peak memory consumption was 95.1MB. Max. memory is 16.1GB. * Witness Printer took 2.58ms. Allocated memory is still 239.1MB. Free memory is still 70.9MB. 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 20 terminating modules (12 trivial, 6 deterministic, 2 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function length2 + -1 * i and consists of 4 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[nondetString2] and consists of 4 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] and consists of 5 locations. One deterministic module has affine ranking function 3 * n + 6442450939 * s and consists of 15 locations. One deterministic module has affine ranking function -1 * s2 + unknown-#length-unknown[nondetString2] and consists of 5 locations. One nondeterministic module has affine ranking function 8589934589 + -2 * s1 and consists of 22 locations. One nondeterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * s2 and consists of 6 locations. 12 modules have a trivial ranking function, the largest among these consists of 38 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 149.7s and 21 iterations. TraceHistogramMax:5. Analysis of lassos took 137.9s. Construction of modules took 2.2s. Büchi inclusion checks took 9.4s. Highest rank in rank-based complementation 3. Minimization of det autom 7. Minimization of nondet autom 13. Automata minimization 0.0s AutomataMinimizationTime, 19 MinimizatonAttempts, 284 StatesRemovedByMinimization, 15 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 [6, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2798 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2796 mSDsluCounter, 6255 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5422 mSDsCounter, 185 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4527 IncrementalHoareTripleChecker+Invalid, 4712 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 185 mSolverCounterUnsat, 833 mSDtfsCounter, 4527 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc5 concLT0 SILN0 SILU6 SILI0 SILT0 lasso8 LassoPreprocessingBenchmarks: Lassos: inital460 mio100 ax105 hnf100 lsp92 ukn71 mio100 lsp50 div161 bol100 ite100 ukn100 eq177 hnf91 smp74 dnf168 smp84 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 112ms VariablesStem: 16 VariablesLoop: 9 DisjunctsStem: 6 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 36 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! [2022-12-13 22:06:21,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (161)] Ended with exit code 0 [2022-12-13 22:06:21,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (101)] Ended with exit code 0 [2022-12-13 22:06:21,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (100)] Ended with exit code 0 [2022-12-13 22:06:22,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Forceful destruction successful, exit code 0 [2022-12-13 22:06:22,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Ended with exit code 0 [2022-12-13 22:06:22,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Ended with exit code 0 [2022-12-13 22:06:22,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2022-12-13 22:06:22,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2022-12-13 22:06:23,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_964620b5-017a-48cf-93fe-82ccbe5ca406/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE