./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrlen-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff 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_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrlen-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 dd76b7822e4f01d656aa547f942373edd42b5cbb2c90dd9f0d7299ee64d98734 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:55:32,174 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:55:32,310 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:55:32,321 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:55:32,327 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:55:32,365 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:55:32,366 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:55:32,367 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:55:32,369 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:55:32,369 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:55:32,370 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:55:32,371 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:55:32,372 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:55:32,372 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:55:32,373 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:55:32,374 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:55:32,375 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:55:32,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:55:32,376 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:55:32,377 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:55:32,378 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:55:32,379 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:55:32,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:55:32,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:55:32,381 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:55:32,382 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:55:32,383 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:55:32,383 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:55:32,384 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:55:32,385 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:55:32,385 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:55:32,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:55:32,386 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:55:32,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:55:32,387 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:55:32,388 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:55:32,389 INFO L153 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_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd76b7822e4f01d656aa547f942373edd42b5cbb2c90dd9f0d7299ee64d98734 [2023-11-19 07:55:32,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:55:32,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:55:32,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:55:32,793 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:55:32,794 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:55:32,796 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/array-memsafety/openbsd_cstrlen-alloca-1.i [2023-11-19 07:55:36,117 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:55:36,377 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:55:36,378 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/sv-benchmarks/c/array-memsafety/openbsd_cstrlen-alloca-1.i [2023-11-19 07:55:36,398 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/data/9f9726389/4028b6ca3e8d48b29f29caa96bc49a2e/FLAGdd7719fc3 [2023-11-19 07:55:36,418 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/data/9f9726389/4028b6ca3e8d48b29f29caa96bc49a2e [2023-11-19 07:55:36,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:55:36,423 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:55:36,425 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:55:36,425 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:55:36,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:55:36,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:36" (1/1) ... [2023-11-19 07:55:36,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fd946e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:36, skipping insertion in model container [2023-11-19 07:55:36,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:36" (1/1) ... [2023-11-19 07:55:36,479 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:55:36,867 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:55:36,881 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:55:36,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:55:36,973 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:55:36,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:36 WrapperNode [2023-11-19 07:55:36,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:55:36,975 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:55:36,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:55:36,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:55:36,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:36" (1/1) ... [2023-11-19 07:55:37,010 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:36" (1/1) ... [2023-11-19 07:55:37,035 INFO L138 Inliner]: procedures = 117, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-11-19 07:55:37,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:55:37,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:55:37,037 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:55:37,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:55:37,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:36" (1/1) ... [2023-11-19 07:55:37,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:36" (1/1) ... [2023-11-19 07:55:37,062 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:36" (1/1) ... [2023-11-19 07:55:37,062 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:36" (1/1) ... [2023-11-19 07:55:37,068 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:36" (1/1) ... [2023-11-19 07:55:37,082 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:36" (1/1) ... [2023-11-19 07:55:37,084 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:36" (1/1) ... [2023-11-19 07:55:37,086 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:36" (1/1) ... [2023-11-19 07:55:37,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:55:37,095 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:55:37,095 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:55:37,096 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:55:37,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:36" (1/1) ... [2023-11-19 07:55:37,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:37,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:37,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:37,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:55:37,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:55:37,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:55:37,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:55:37,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:55:37,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:55:37,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:55:37,331 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:55:37,334 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:55:37,468 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:55:37,475 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:55:37,476 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:55:37,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:37 BoogieIcfgContainer [2023-11-19 07:55:37,480 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:55:37,481 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:55:37,481 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:55:37,485 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:55:37,486 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:55:37,487 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:55:36" (1/3) ... [2023-11-19 07:55:37,488 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ee1f3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:55:37, skipping insertion in model container [2023-11-19 07:55:37,488 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:55:37,489 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:36" (2/3) ... [2023-11-19 07:55:37,489 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@ee1f3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:55:37, skipping insertion in model container [2023-11-19 07:55:37,489 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:55:37,490 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:37" (3/3) ... [2023-11-19 07:55:37,491 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrlen-alloca-1.i [2023-11-19 07:55:37,552 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:55:37,552 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:55:37,552 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:55:37,552 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:55:37,553 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:55:37,553 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:55:37,553 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:55:37,553 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:55:37,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:37,578 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-19 07:55:37,579 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:55:37,579 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:55:37,585 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-19 07:55:37,585 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 07:55:37,585 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:55:37,586 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:37,587 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-19 07:55:37,588 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:55:37,588 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:55:37,589 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-19 07:55:37,589 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 07:55:37,597 INFO L748 eck$LassoCheckResult]: Stem: 12#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet7#1, main_#t~post6#1, main_~i~0#1, main_#t~ret8#1, main_~length1~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc main_#t~nondet4#1;main_~length1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 9#L524true assume !(main_~length1~0#1 < 1); 14#L524-2true call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;main_~i~0#1 := 0; 5#L528-3true [2023-11-19 07:55:37,598 INFO L750 eck$LassoCheckResult]: Loop: 5#L528-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet7#1;call write~int(main_#t~nondet7#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet7#1; 7#L528-2true main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5#L528-3true [2023-11-19 07:55:37,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:37,604 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2023-11-19 07:55:37,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:37,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297881007] [2023-11-19 07:55:37,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:37,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:37,728 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:55:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:37,760 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:55:37,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:37,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2023-11-19 07:55:37,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:37,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231590909] [2023-11-19 07:55:37,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:37,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:37,780 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:55:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:37,790 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:55:37,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:37,792 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2023-11-19 07:55:37,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:37,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656820707] [2023-11-19 07:55:37,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:37,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:37,830 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:55:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:37,865 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:55:38,293 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:55:38,294 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:55:38,295 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:55:38,295 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:55:38,295 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:55:38,295 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:38,295 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:55:38,296 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:55:38,296 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlen-alloca-1.i_Iteration1_Lasso [2023-11-19 07:55:38,296 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:55:38,296 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:55:38,321 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:38,340 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:38,348 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:38,351 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:38,354 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:38,359 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:38,363 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:38,366 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:38,369 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:38,373 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:38,855 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:55:38,860 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:55:38,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:38,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:38,869 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:38,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 07:55:38,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:38,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:38,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:38,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:38,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:38,913 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:38,914 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:38,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:38,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:38,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:38,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:38,960 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:38,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 07:55:38,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:38,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:38,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:38,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:38,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:38,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:38,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:39,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:39,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:39,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:39,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:39,035 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:39,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:39,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:39,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:55:39,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:39,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:39,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:39,058 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:55:39,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:55:39,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 07:55:39,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:39,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:39,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:39,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:39,100 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:39,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:39,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:39,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:55:39,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:39,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:39,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:39,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:55:39,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:55:39,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 07:55:39,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:39,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:39,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:39,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:39,163 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:39,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:39,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-19 07:55:39,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:39,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:55:39,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:39,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:39,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:39,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:55:39,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:55:39,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:39,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:39,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:39,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:39,222 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:39,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 07:55:39,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:39,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:39,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:39,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:39,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:39,250 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:39,250 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:39,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:39,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:39,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:39,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:39,290 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:39,303 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 [2023-11-19 07:55:39,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-19 07:55:39,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:39,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:55:39,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:39,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:39,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:39,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:55:39,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:55:39,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:39,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:39,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:39,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:39,350 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:39,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:39,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-19 07:55:39,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:39,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:55:39,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:39,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:39,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:39,370 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:55:39,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:55:39,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:39,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:39,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:39,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:39,409 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:39,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:39,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-19 07:55:39,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:39,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:39,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:39,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:39,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:39,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:39,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:39,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:39,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:39,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:39,480 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:39,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-19 07:55:39,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:39,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:39,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:39,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:39,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:39,515 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:39,515 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:39,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:39,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:39,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:39,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:39,561 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:39,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-19 07:55:39,567 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 [2023-11-19 07:55:39,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:39,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:39,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:39,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:39,583 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:39,583 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:39,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:39,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:39,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:39,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:39,623 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:39,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:39,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-19 07:55:39,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:39,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:55:39,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:39,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:39,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:39,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:55:39,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:55:39,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:39,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:39,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:39,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:39,696 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:39,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:39,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-19 07:55:39,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:39,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:39,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:39,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:39,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:39,738 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:39,765 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:55:39,831 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2023-11-19 07:55:39,831 INFO L444 ModelExtractionUtils]: 3 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. [2023-11-19 07:55:39,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:39,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:39,866 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:39,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-19 07:55:39,873 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:55:39,898 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-19 07:55:39,898 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:55:39,899 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [1*ULTIMATE.start_main_~nondetString1~0#1.offset >= 0] [2023-11-19 07:55:39,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:39,945 INFO L156 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2023-11-19 07:55:39,957 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~nondetString1~0!base] could not be translated [2023-11-19 07:55:39,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:40,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:55:40,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:55:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:40,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:55:40,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:55:40,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:55:40,124 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 [2023-11-19 07:55:40,127 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:40,232 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 36 transitions. Complement of second has 8 states. [2023-11-19 07:55:40,234 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 [2023-11-19 07:55:40,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:40,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2023-11-19 07:55:40,243 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-19 07:55:40,244 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:55:40,244 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 6 letters. Loop has 2 letters. [2023-11-19 07:55:40,244 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:55:40,244 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 4 letters. Loop has 4 letters. [2023-11-19 07:55:40,244 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:55:40,245 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2023-11-19 07:55:40,248 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:55:40,252 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 11 states and 14 transitions. [2023-11-19 07:55:40,253 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-11-19 07:55:40,253 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-19 07:55:40,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2023-11-19 07:55:40,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:55:40,254 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2023-11-19 07:55:40,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2023-11-19 07:55:40,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-11-19 07:55:40,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:40,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2023-11-19 07:55:40,283 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2023-11-19 07:55:40,284 INFO L428 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2023-11-19 07:55:40,284 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:55:40,284 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2023-11-19 07:55:40,285 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:55:40,285 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:55:40,285 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:55:40,285 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:55:40,286 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:55:40,286 INFO L748 eck$LassoCheckResult]: Stem: 116#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 117#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet7#1, main_#t~post6#1, main_~i~0#1, main_#t~ret8#1, main_~length1~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc main_#t~nondet4#1;main_~length1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 108#L524 assume !(main_~length1~0#1 < 1); 109#L524-2 call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;main_~i~0#1 := 0; 113#L528-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 112#L528-4 havoc main_~i~0#1;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#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; 110#L518-4 [2023-11-19 07:55:40,286 INFO L750 eck$LassoCheckResult]: Loop: 110#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 111#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 118#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; 110#L518-4 [2023-11-19 07:55:40,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:40,293 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2023-11-19 07:55:40,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:40,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299737368] [2023-11-19 07:55:40,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:40,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:40,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:55:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:40,352 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:55:40,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:40,353 INFO L85 PathProgramCache]: Analyzing trace with hash 56764, now seen corresponding path program 1 times [2023-11-19 07:55:40,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:40,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629955594] [2023-11-19 07:55:40,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:40,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:40,367 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:55:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:40,397 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:55:40,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:40,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1183925680, now seen corresponding path program 1 times [2023-11-19 07:55:40,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:40,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636674681] [2023-11-19 07:55:40,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:40,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:40,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-19 07:55:40,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:55:40,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:40,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636674681] [2023-11-19 07:55:40,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636674681] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:40,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:40,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:55:40,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043805747] [2023-11-19 07:55:40,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:40,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:40,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:55:40,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:55:40,965 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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) [2023-11-19 07:55:41,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:55:41,059 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2023-11-19 07:55:41,059 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2023-11-19 07:55:41,062 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:55:41,063 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 12 states and 14 transitions. [2023-11-19 07:55:41,063 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-19 07:55:41,063 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-19 07:55:41,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 14 transitions. [2023-11-19 07:55:41,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:55:41,065 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 14 transitions. [2023-11-19 07:55:41,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 14 transitions. [2023-11-19 07:55:41,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-11-19 07:55:41,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:41,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2023-11-19 07:55:41,068 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2023-11-19 07:55:41,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:55:41,070 INFO L428 stractBuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2023-11-19 07:55:41,070 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:55:41,071 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 13 transitions. [2023-11-19 07:55:41,073 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:55:41,073 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:55:41,073 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:55:41,074 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:55:41,074 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:55:41,075 INFO L748 eck$LassoCheckResult]: Stem: 160#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 161#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet7#1, main_#t~post6#1, main_~i~0#1, main_#t~ret8#1, main_~length1~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc main_#t~nondet4#1;main_~length1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 152#L524 assume !(main_~length1~0#1 < 1); 153#L524-2 call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;main_~i~0#1 := 0; 157#L528-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet7#1;call write~int(main_#t~nondet7#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet7#1; 158#L528-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 159#L528-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 156#L528-4 havoc main_~i~0#1;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 154#L518-4 [2023-11-19 07:55:41,075 INFO L750 eck$LassoCheckResult]: Loop: 154#L518-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 155#L518-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 162#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; 154#L518-4 [2023-11-19 07:55:41,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:41,076 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2023-11-19 07:55:41,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:41,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792585378] [2023-11-19 07:55:41,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:41,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:41,105 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:55:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:41,127 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:55:41,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:41,128 INFO L85 PathProgramCache]: Analyzing trace with hash 56764, now seen corresponding path program 2 times [2023-11-19 07:55:41,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:41,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663683234] [2023-11-19 07:55:41,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:41,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:41,145 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:55:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:41,151 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:55:41,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:41,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1235379726, now seen corresponding path program 1 times [2023-11-19 07:55:41,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:41,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733600676] [2023-11-19 07:55:41,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:41,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:41,176 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:55:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:55:41,202 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:55:41,574 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:55:41,574 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:55:41,574 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:55:41,574 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:55:41,575 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:55:41,575 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:41,575 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:55:41,575 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:55:41,575 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlen-alloca-1.i_Iteration3_Lasso [2023-11-19 07:55:41,575 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:55:41,575 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:55:41,579 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:41,584 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:41,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:41,593 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:41,596 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:41,600 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:41,604 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:41,608 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:41,612 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:41,836 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:41,840 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:41,845 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:41,847 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:41,850 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:41,853 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:41,855 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:41,859 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:41,862 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:41,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:55:42,167 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:55:42,168 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:55:42,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:42,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:42,169 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:42,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-19 07:55:42,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:42,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:42,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:55:42,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:42,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:42,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:42,198 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:55:42,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:55:42,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:42,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:42,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:42,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:42,233 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:42,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:42,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:42,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:42,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:42,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:42,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-19 07:55:42,258 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:42,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:42,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:42,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:42,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:42,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:42,291 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:42,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-19 07:55:42,293 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:42,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:42,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:42,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:42,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:42,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:42,311 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:42,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:42,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:42,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:42,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:42,347 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:42,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:42,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:42,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:55:42,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:42,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:42,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:42,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:55:42,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:55:42,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-19 07:55:42,377 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:42,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:42,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:42,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:42,402 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:42,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:42,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:42,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:55:42,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:42,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:42,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:42,432 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:55:42,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:55:42,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:42,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-19 07:55:42,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:42,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:42,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:42,471 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:42,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:42,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:42,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:42,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:42,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:42,498 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:42,498 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:42,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-19 07:55:42,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:42,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:42,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:42,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:42,542 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:42,546 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:42,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:42,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:42,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:42,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:42,560 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:42,560 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:42,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-19 07:55:42,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:42,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:42,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:42,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:42,601 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:42,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:42,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:42,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:42,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:42,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:42,620 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:42,621 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:42,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-19 07:55:42,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:42,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-19 07:55:42,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:42,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:42,652 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:42,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:42,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-19 07:55:42,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:42,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:42,666 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-19 07:55:42,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:42,672 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-19 07:55:42,672 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-19 07:55:42,690 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:42,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:42,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:42,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:42,714 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:42,717 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 [2023-11-19 07:55:42,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:42,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:42,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:42,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:42,731 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:42,732 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:42,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-19 07:55:42,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:42,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:42,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:42,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:42,773 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:42,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:42,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-19 07:55:42,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:42,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:42,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:42,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:42,791 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:42,791 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:42,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:42,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:42,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:42,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:42,825 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:42,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:42,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:42,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:42,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:42,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:42,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-19 07:55:42,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:42,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:42,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:42,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:42,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:42,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:42,886 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:42,890 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 [2023-11-19 07:55:42,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-19 07:55:42,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:42,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:42,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:42,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:42,906 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:42,906 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:42,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:55:42,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:42,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:42,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:42,949 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:42,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:55:42,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:55:42,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:55:42,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:55:42,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:55:42,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-19 07:55:42,972 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:55:42,972 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:55:42,993 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:55:43,009 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-11-19 07:55:43,009 INFO L444 ModelExtractionUtils]: 2 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2023-11-19 07:55:43,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:55:43,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:43,010 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:43,013 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:55:43,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-19 07:55:43,045 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 07:55:43,046 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:55:43,046 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc5#1.base)_2, ULTIMATE.start_cstrlen_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc5#1.base)_2 - 1*ULTIMATE.start_cstrlen_~s~0#1.offset Supporting invariants [] [2023-11-19 07:55:43,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-19 07:55:43,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-19 07:55:43,114 INFO L156 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2023-11-19 07:55:43,117 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc5!base] could not be translated [2023-11-19 07:55:43,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:43,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 07:55:43,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:55:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:43,200 WARN L260 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:55:43,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:55:43,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:55:43,232 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 [2023-11-19 07:55:43,233 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 13 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:43,272 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 13 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 17 transitions. Complement of second has 5 states. [2023-11-19 07:55:43,273 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 [2023-11-19 07:55:43,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:55:43,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2023-11-19 07:55:43,277 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 8 letters. Loop has 3 letters. [2023-11-19 07:55:43,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:55:43,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 11 letters. Loop has 3 letters. [2023-11-19 07:55:43,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:55:43,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 8 letters. Loop has 6 letters. [2023-11-19 07:55:43,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:55:43,279 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2023-11-19 07:55:43,281 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:55:43,281 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2023-11-19 07:55:43,281 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 07:55:43,281 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 07:55:43,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 07:55:43,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:55:43,282 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:55:43,282 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:55:43,282 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:55:43,282 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-19 07:55:43,282 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:55:43,282 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:55:43,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-19 07:55:43,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:55:43 BoogieIcfgContainer [2023-11-19 07:55:43,289 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:55:43,290 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:55:43,290 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:55:43,290 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:55:43,291 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:37" (3/4) ... [2023-11-19 07:55:43,293 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:55:43,294 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:55:43,294 INFO L158 Benchmark]: Toolchain (without parser) took 6872.05ms. Allocated memory was 161.5MB in the beginning and 224.4MB in the end (delta: 62.9MB). Free memory was 112.8MB in the beginning and 175.7MB in the end (delta: -62.9MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. [2023-11-19 07:55:43,295 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 161.5MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:55:43,295 INFO L158 Benchmark]: CACSL2BoogieTranslator took 548.97ms. Allocated memory is still 161.5MB. Free memory was 112.8MB in the beginning and 96.7MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:55:43,296 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.07ms. Allocated memory is still 161.5MB. Free memory was 96.7MB in the beginning and 94.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:55:43,296 INFO L158 Benchmark]: Boogie Preprocessor took 58.06ms. Allocated memory is still 161.5MB. Free memory was 94.6MB in the beginning and 93.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:55:43,296 INFO L158 Benchmark]: RCFGBuilder took 384.62ms. Allocated memory is still 161.5MB. Free memory was 93.1MB in the beginning and 82.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:55:43,297 INFO L158 Benchmark]: BuchiAutomizer took 5808.56ms. Allocated memory was 161.5MB in the beginning and 224.4MB in the end (delta: 62.9MB). Free memory was 82.7MB in the beginning and 175.7MB in the end (delta: -93.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:55:43,297 INFO L158 Benchmark]: Witness Printer took 3.86ms. Allocated memory is still 224.4MB. Free memory is still 175.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:55:43,299 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 161.5MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 548.97ms. Allocated memory is still 161.5MB. Free memory was 112.8MB in the beginning and 96.7MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.07ms. Allocated memory is still 161.5MB. Free memory was 96.7MB in the beginning and 94.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.06ms. Allocated memory is still 161.5MB. Free memory was 94.6MB in the beginning and 93.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 384.62ms. Allocated memory is still 161.5MB. Free memory was 93.1MB in the beginning and 82.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 5808.56ms. Allocated memory was 161.5MB in the beginning and 224.4MB in the end (delta: 62.9MB). Free memory was 82.7MB in the beginning and 175.7MB in the end (delta: -93.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.86ms. Allocated memory is still 224.4MB. Free memory is still 175.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~nondetString1~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc5!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 5.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 19 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital103 mio100 ax117 hnf100 lsp77 ukn88 mio100 lsp46 div138 bol100 ite100 ukn100 eq171 hnf90 smp85 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms VariablesStem: 2 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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! [2023-11-19 07:55:43,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc404e0f-39db-44e5-a7d2-5c4cc4bc1565/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE