./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/avg10-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc 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_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/avg10-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya --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 431bc26901e3cf271c74e4f10a5bc241d4509dbbafd99aaf0126c46ffc8b7c33 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 23:51:55,296 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 23:51:55,362 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-28 23:51:55,368 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 23:51:55,369 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 23:51:55,395 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 23:51:55,396 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 23:51:55,397 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 23:51:55,397 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 23:51:55,398 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 23:51:55,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 23:51:55,399 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 23:51:55,400 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 23:51:55,400 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-28 23:51:55,401 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-28 23:51:55,401 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-28 23:51:55,401 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-28 23:51:55,402 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-28 23:51:55,402 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-28 23:51:55,403 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 23:51:55,403 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-28 23:51:55,404 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 23:51:55,404 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 23:51:55,405 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 23:51:55,405 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 23:51:55,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-28 23:51:55,406 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-28 23:51:55,406 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-28 23:51:55,407 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-28 23:51:55,407 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 23:51:55,408 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 23:51:55,408 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-28 23:51:55,408 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 23:51:55,409 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 23:51:55,409 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 23:51:55,410 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 23:51:55,410 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 23:51:55,411 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-28 23:51:55,411 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_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 431bc26901e3cf271c74e4f10a5bc241d4509dbbafd99aaf0126c46ffc8b7c33 [2023-11-28 23:51:55,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 23:51:55,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 23:51:55,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 23:51:55,666 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 23:51:55,667 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 23:51:55,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/reducercommutativity/avg10-2.i [2023-11-28 23:51:58,504 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 23:51:58,662 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 23:51:58,663 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/sv-benchmarks/c/reducercommutativity/avg10-2.i [2023-11-28 23:51:58,669 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/data/b9d6f26e9/4953c09b92a04107b70d32e596816783/FLAGadf14afc4 [2023-11-28 23:51:58,680 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/data/b9d6f26e9/4953c09b92a04107b70d32e596816783 [2023-11-28 23:51:58,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 23:51:58,683 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 23:51:58,684 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 23:51:58,685 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 23:51:58,689 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 23:51:58,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:51:58" (1/1) ... [2023-11-28 23:51:58,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e2f6b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:58, skipping insertion in model container [2023-11-28 23:51:58,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:51:58" (1/1) ... [2023-11-28 23:51:58,716 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 23:51:58,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:51:58,892 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 23:51:58,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:51:58,928 INFO L206 MainTranslator]: Completed translation [2023-11-28 23:51:58,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:58 WrapperNode [2023-11-28 23:51:58,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 23:51:58,930 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 23:51:58,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 23:51:58,931 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 23:51:58,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:58" (1/1) ... [2023-11-28 23:51:58,946 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:58" (1/1) ... [2023-11-28 23:51:58,972 INFO L138 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 119 [2023-11-28 23:51:58,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 23:51:58,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 23:51:58,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 23:51:58,974 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 23:51:58,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:58" (1/1) ... [2023-11-28 23:51:58,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:58" (1/1) ... [2023-11-28 23:51:58,989 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:58" (1/1) ... [2023-11-28 23:51:59,003 INFO L175 MemorySlicer]: Split 14 memory accesses to 2 slices as follows [2, 12]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 5 writes are split as follows [0, 5]. [2023-11-28 23:51:59,004 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:58" (1/1) ... [2023-11-28 23:51:59,004 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:58" (1/1) ... [2023-11-28 23:51:59,012 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:58" (1/1) ... [2023-11-28 23:51:59,016 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:58" (1/1) ... [2023-11-28 23:51:59,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:58" (1/1) ... [2023-11-28 23:51:59,020 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:58" (1/1) ... [2023-11-28 23:51:59,023 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 23:51:59,024 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 23:51:59,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 23:51:59,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 23:51:59,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:58" (1/1) ... [2023-11-28 23:51:59,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:51:59,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:51:59,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:51:59,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-28 23:51:59,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 23:51:59,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-28 23:51:59,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-28 23:51:59,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-28 23:51:59,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-28 23:51:59,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-28 23:51:59,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 23:51:59,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 23:51:59,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-28 23:51:59,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-28 23:51:59,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-28 23:51:59,168 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 23:51:59,170 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 23:51:59,362 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 23:51:59,371 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 23:51:59,372 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-28 23:51:59,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:51:59 BoogieIcfgContainer [2023-11-28 23:51:59,374 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 23:51:59,375 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-28 23:51:59,375 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-28 23:51:59,379 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-28 23:51:59,380 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-28 23:51:59,380 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:51:58" (1/3) ... [2023-11-28 23:51:59,381 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72e35603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:51:59, skipping insertion in model container [2023-11-28 23:51:59,381 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-28 23:51:59,381 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:58" (2/3) ... [2023-11-28 23:51:59,382 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72e35603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:51:59, skipping insertion in model container [2023-11-28 23:51:59,382 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-28 23:51:59,382 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:51:59" (3/3) ... [2023-11-28 23:51:59,383 INFO L332 chiAutomizerObserver]: Analyzing ICFG avg10-2.i [2023-11-28 23:51:59,437 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-28 23:51:59,437 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-28 23:51:59,437 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-28 23:51:59,437 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-28 23:51:59,438 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-28 23:51:59,438 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-28 23:51:59,438 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-28 23:51:59,438 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-28 23:51:59,442 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 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) [2023-11-28 23:51:59,458 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2023-11-28 23:51:59,458 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 23:51:59,459 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 23:51:59,463 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-28 23:51:59,463 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-28 23:51:59,463 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-28 23:51:59,463 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 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) [2023-11-28 23:51:59,466 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2023-11-28 23:51:59,466 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 23:51:59,466 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 23:51:59,466 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-28 23:51:59,466 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-28 23:51:59,472 INFO L748 eck$LassoCheckResult]: Stem: 24#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 14#L34-3true [2023-11-28 23:51:59,473 INFO L750 eck$LassoCheckResult]: Loop: 14#L34-3true assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 11#L34-2true main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 14#L34-3true [2023-11-28 23:51:59,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:51:59,477 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-28 23:51:59,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:51:59,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091789809] [2023-11-28 23:51:59,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:51:59,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:51:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:51:59,563 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:51:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:51:59,588 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:51:59,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:51:59,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2023-11-28 23:51:59,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:51:59,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191773386] [2023-11-28 23:51:59,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:51:59,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:51:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:51:59,602 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:51:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:51:59,611 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:51:59,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:51:59,613 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2023-11-28 23:51:59,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:51:59,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876611835] [2023-11-28 23:51:59,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:51:59,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:51:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:51:59,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:51:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:51:59,654 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:51:59,950 INFO L210 LassoAnalysis]: Preferences: [2023-11-28 23:51:59,951 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-28 23:51:59,951 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-28 23:51:59,951 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-28 23:51:59,951 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-28 23:51:59,952 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:51:59,952 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-28 23:51:59,952 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-28 23:51:59,952 INFO L133 ssoRankerPreferences]: Filename of dumped script: avg10-2.i_Iteration1_Lasso [2023-11-28 23:51:59,952 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-28 23:51:59,952 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-28 23:51:59,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:51:59,975 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:51:59,978 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:51:59,980 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:51:59,998 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:00,000 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:00,003 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:00,006 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:00,008 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:00,011 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:00,013 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:00,016 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:00,019 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:00,021 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:00,024 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:00,026 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:00,029 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:00,178 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:00,392 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-28 23:52:00,395 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-28 23:52:00,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:00,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:00,400 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:00,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-28 23:52:00,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:00,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:00,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:52:00,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:00,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:00,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:00,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:52:00,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:52:00,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:00,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-28 23:52:00,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:00,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:00,441 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:00,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-28 23:52:00,449 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:00,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:00,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:52:00,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:00,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:00,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:00,461 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:52:00,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:52:00,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:00,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-28 23:52:00,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:00,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:00,467 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:00,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-28 23:52:00,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:00,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:00,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:52:00,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:00,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:00,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:00,483 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:52:00,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:52:00,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:00,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-28 23:52:00,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:00,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:00,489 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:00,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-28 23:52:00,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:00,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:00,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:00,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:00,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:00,508 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:52:00,508 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:52:00,513 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:00,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-28 23:52:00,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:00,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:00,519 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:00,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-28 23:52:00,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:00,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:00,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:00,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:00,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:00,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:52:00,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:52:00,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:00,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-28 23:52:00,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:00,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:00,544 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:00,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-28 23:52:00,548 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:00,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:00,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:52:00,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:00,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:00,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:00,559 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:52:00,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:52:00,561 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:00,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-28 23:52:00,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:00,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:00,565 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:00,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-28 23:52:00,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:00,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:00,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:52:00,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:00,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:00,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:00,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:52:00,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:52:00,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:00,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-28 23:52:00,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:00,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:00,585 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:00,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-28 23:52:00,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:00,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:00,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:52:00,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:00,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:00,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:00,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:52:00,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:52:00,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:00,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-28 23:52:00,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:00,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:00,605 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:00,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-28 23:52:00,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:00,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:00,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:52:00,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:00,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:00,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:00,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:52:00,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:52:00,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:00,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-28 23:52:00,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:00,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:00,629 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:00,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-28 23:52:00,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:00,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:00,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:52:00,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:00,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:00,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:00,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:52:00,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:52:00,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:00,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-28 23:52:00,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:00,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:00,650 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:00,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-28 23:52:00,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:00,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:00,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:52:00,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:00,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:00,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:00,665 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:52:00,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:52:00,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:00,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-28 23:52:00,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:00,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:00,671 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:00,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-28 23:52:00,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:00,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:00,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:52:00,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:00,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:00,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:00,685 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:52:00,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:52:00,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:00,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-28 23:52:00,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:00,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:00,690 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:00,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-28 23:52:00,693 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:00,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:00,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:52:00,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:00,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:00,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:00,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:52:00,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:52:00,705 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:00,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-28 23:52:00,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:00,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:00,710 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:00,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-28 23:52:00,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:00,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:00,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:52:00,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:00,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:00,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:00,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:52:00,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:52:00,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:00,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-28 23:52:00,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:00,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:00,736 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:00,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-28 23:52:00,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:00,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:00,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:52:00,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:00,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:00,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:00,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:52:00,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:52:00,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:00,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-28 23:52:00,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:00,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:00,758 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:00,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-28 23:52:00,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:00,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:00,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:52:00,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:00,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:00,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:00,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:52:00,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:52:00,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:00,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-28 23:52:00,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:00,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:00,777 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:00,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-28 23:52:00,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:00,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:00,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:52:00,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:00,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:00,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:00,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:52:00,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:52:00,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:00,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-28 23:52:00,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:00,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:00,796 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:00,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-28 23:52:00,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:00,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:00,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:00,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:00,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:00,814 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:52:00,815 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:52:00,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:00,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-28 23:52:00,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:00,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:00,840 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:00,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-28 23:52:00,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:00,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:00,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:00,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:00,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:00,860 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:52:00,860 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:52:00,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:00,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-28 23:52:00,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:00,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:00,871 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:00,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-28 23:52:00,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:00,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:00,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:00,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:00,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:00,893 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:52:00,893 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:52:00,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:00,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-11-28 23:52:00,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:00,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:00,903 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:00,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-28 23:52:00,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:00,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:00,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:00,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:00,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:00,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:52:00,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:52:00,939 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-28 23:52:00,960 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-11-28 23:52:00,960 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-28 23:52:00,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:00,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:00,982 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:00,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-28 23:52:00,985 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-28 23:52:00,999 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-28 23:52:00,999 INFO L513 LassoAnalysis]: Proved termination. [2023-11-28 23:52:01,000 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1, ULTIMATE.start_main_~i~1#1) = 19*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1 - 8*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2023-11-28 23:52:01,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-11-28 23:52:01,018 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2023-11-28 23:52:01,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#x~0!base] could not be translated [2023-11-28 23:52:01,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:01,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-28 23:52:01,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:52:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:01,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-28 23:52:01,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:52:01,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:52:01,136 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 [2023-11-28 23:52:01,138 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 27 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-11-28 23:52:01,187 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 27 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 53 states and 77 transitions. Complement of second has 8 states. [2023-11-28 23:52:01,189 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 [2023-11-28 23:52:01,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-11-28 23:52:01,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. [2023-11-28 23:52:01,195 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 2 letters. Loop has 2 letters. [2023-11-28 23:52:01,196 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 23:52:01,196 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-28 23:52:01,196 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 23:52:01,196 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-28 23:52:01,196 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 23:52:01,197 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 77 transitions. [2023-11-28 23:52:01,201 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-28 23:52:01,204 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 19 states and 27 transitions. [2023-11-28 23:52:01,205 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-28 23:52:01,206 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-28 23:52:01,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 27 transitions. [2023-11-28 23:52:01,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:52:01,207 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 27 transitions. [2023-11-28 23:52:01,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 27 transitions. [2023-11-28 23:52:01,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-28 23:52:01,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:52:01,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 27 transitions. [2023-11-28 23:52:01,228 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 27 transitions. [2023-11-28 23:52:01,228 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2023-11-28 23:52:01,228 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-28 23:52:01,228 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 27 transitions. [2023-11-28 23:52:01,229 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-28 23:52:01,229 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 23:52:01,229 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 23:52:01,229 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-28 23:52:01,229 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-28 23:52:01,230 INFO L748 eck$LassoCheckResult]: Stem: 153#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 145#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 146#L34-3 assume !(main_~i~1#1 < 10); 137#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 138#L20-3 [2023-11-28 23:52:01,230 INFO L750 eck$LassoCheckResult]: Loop: 138#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 152#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 138#L20-3 [2023-11-28 23:52:01,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:01,231 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2023-11-28 23:52:01,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:52:01,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782580529] [2023-11-28 23:52:01,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:01,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:52:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:01,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:52:01,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:52:01,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782580529] [2023-11-28 23:52:01,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782580529] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:52:01,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:52:01,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 23:52:01,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659461874] [2023-11-28 23:52:01,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:52:01,294 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-28 23:52:01,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:01,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 1 times [2023-11-28 23:52:01,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:52:01,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372143358] [2023-11-28 23:52:01,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:01,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:52:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:52:01,301 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:52:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:52:01,307 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:52:01,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:52:01,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:52:01,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:52:01,359 INFO L87 Difference]: Start difference. First operand 19 states and 27 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2023-11-28 23:52:01,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:52:01,372 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2023-11-28 23:52:01,372 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2023-11-28 23:52:01,373 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-28 23:52:01,374 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 24 transitions. [2023-11-28 23:52:01,374 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-11-28 23:52:01,374 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-28 23:52:01,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 24 transitions. [2023-11-28 23:52:01,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:52:01,375 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 24 transitions. [2023-11-28 23:52:01,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 24 transitions. [2023-11-28 23:52:01,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2023-11-28 23:52:01,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:52:01,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2023-11-28 23:52:01,376 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 23 transitions. [2023-11-28 23:52:01,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:52:01,378 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2023-11-28 23:52:01,378 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-28 23:52:01,378 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 23 transitions. [2023-11-28 23:52:01,378 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-28 23:52:01,378 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 23:52:01,378 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 23:52:01,379 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-28 23:52:01,379 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-28 23:52:01,379 INFO L748 eck$LassoCheckResult]: Stem: 198#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 190#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 191#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 194#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 195#L34-3 assume !(main_~i~1#1 < 10); 182#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 183#L20-3 [2023-11-28 23:52:01,379 INFO L750 eck$LassoCheckResult]: Loop: 183#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 197#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 183#L20-3 [2023-11-28 23:52:01,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:01,380 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2023-11-28 23:52:01,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:52:01,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752453089] [2023-11-28 23:52:01,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:01,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:52:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:01,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:52:01,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:52:01,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752453089] [2023-11-28 23:52:01,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752453089] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:52:01,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465589665] [2023-11-28 23:52:01,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:01,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:52:01,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:01,434 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:52:01,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-11-28 23:52:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:01,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 23:52:01,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:52:01,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:52:01,507 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:52:01,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:52:01,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465589665] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 23:52:01,526 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-28 23:52:01,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-28 23:52:01,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395714818] [2023-11-28 23:52:01,526 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-28 23:52:01,526 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-28 23:52:01,527 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:01,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 2 times [2023-11-28 23:52:01,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:52:01,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350689886] [2023-11-28 23:52:01,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:01,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:52:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:52:01,532 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:52:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:52:01,537 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:52:01,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:52:01,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-28 23:52:01,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-28 23:52:01,584 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 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) [2023-11-28 23:52:01,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:52:01,612 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2023-11-28 23:52:01,612 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 29 transitions. [2023-11-28 23:52:01,613 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-28 23:52:01,614 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 29 transitions. [2023-11-28 23:52:01,614 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-11-28 23:52:01,614 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-28 23:52:01,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 29 transitions. [2023-11-28 23:52:01,615 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:52:01,615 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2023-11-28 23:52:01,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 29 transitions. [2023-11-28 23:52:01,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-11-28 23:52:01,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.16) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:52:01,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2023-11-28 23:52:01,618 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2023-11-28 23:52:01,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 23:52:01,619 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2023-11-28 23:52:01,619 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-28 23:52:01,619 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 29 transitions. [2023-11-28 23:52:01,620 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-28 23:52:01,620 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 23:52:01,620 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 23:52:01,621 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2023-11-28 23:52:01,621 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-28 23:52:01,621 INFO L748 eck$LassoCheckResult]: Stem: 282#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 274#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 275#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 278#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 279#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 283#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 288#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 287#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 286#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 285#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 284#L34-3 assume !(main_~i~1#1 < 10); 266#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 267#L20-3 [2023-11-28 23:52:01,621 INFO L750 eck$LassoCheckResult]: Loop: 267#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 281#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 267#L20-3 [2023-11-28 23:52:01,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:01,622 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2023-11-28 23:52:01,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:52:01,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765111200] [2023-11-28 23:52:01,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:01,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:52:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:01,730 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:52:01,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:52:01,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765111200] [2023-11-28 23:52:01,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765111200] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:52:01,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664906503] [2023-11-28 23:52:01,731 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-28 23:52:01,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:52:01,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:01,732 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:52:01,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-11-28 23:52:01,787 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-28 23:52:01,787 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-28 23:52:01,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-28 23:52:01,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:52:01,812 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:52:01,812 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:52:01,875 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:52:01,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664906503] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 23:52:01,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-28 23:52:01,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2023-11-28 23:52:01,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044440578] [2023-11-28 23:52:01,876 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-28 23:52:01,876 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-28 23:52:01,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:01,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 3 times [2023-11-28 23:52:01,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:52:01,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667798398] [2023-11-28 23:52:01,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:01,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:52:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:52:01,882 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:52:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:52:01,886 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:52:01,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:52:01,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-28 23:52:01,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-28 23:52:01,929 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. cyclomatic complexity: 9 Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:52:01,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:52:01,978 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2023-11-28 23:52:01,979 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 41 transitions. [2023-11-28 23:52:01,980 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-28 23:52:01,980 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 37 states and 41 transitions. [2023-11-28 23:52:01,980 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-11-28 23:52:01,981 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-28 23:52:01,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 41 transitions. [2023-11-28 23:52:01,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:52:01,981 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 41 transitions. [2023-11-28 23:52:01,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 41 transitions. [2023-11-28 23:52:01,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2023-11-28 23:52:01,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 36 states have internal predecessors, (41), 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) [2023-11-28 23:52:01,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2023-11-28 23:52:01,984 INFO L240 hiAutomatonCegarLoop]: Abstraction has 37 states and 41 transitions. [2023-11-28 23:52:01,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-28 23:52:01,986 INFO L428 stractBuchiCegarLoop]: Abstraction has 37 states and 41 transitions. [2023-11-28 23:52:01,986 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-28 23:52:01,986 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 41 transitions. [2023-11-28 23:52:01,987 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2023-11-28 23:52:01,987 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 23:52:01,987 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 23:52:01,988 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1] [2023-11-28 23:52:01,988 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-28 23:52:01,988 INFO L748 eck$LassoCheckResult]: Stem: 426#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 418#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 419#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 427#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 428#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 422#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 423#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 444#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 443#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 442#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 441#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 440#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 439#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 438#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 437#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 436#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 435#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 434#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 433#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 432#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 431#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 430#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 429#L34-3 assume !(main_~i~1#1 < 10); 410#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 411#L20-3 [2023-11-28 23:52:01,988 INFO L750 eck$LassoCheckResult]: Loop: 411#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 425#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 411#L20-3 [2023-11-28 23:52:01,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:01,989 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272351, now seen corresponding path program 3 times [2023-11-28 23:52:01,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:52:01,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166304901] [2023-11-28 23:52:01,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:01,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:52:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:52:02,019 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:52:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:52:02,046 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:52:02,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:02,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 4 times [2023-11-28 23:52:02,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:52:02,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282394783] [2023-11-28 23:52:02,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:02,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:52:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:52:02,051 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:52:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:52:02,055 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:52:02,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:02,056 INFO L85 PathProgramCache]: Analyzing trace with hash -95702815, now seen corresponding path program 1 times [2023-11-28 23:52:02,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:52:02,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916477040] [2023-11-28 23:52:02,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:02,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:52:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:52:02,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:52:02,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-28 23:52:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:52:02,149 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:52:07,315 INFO L210 LassoAnalysis]: Preferences: [2023-11-28 23:52:07,316 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-28 23:52:07,316 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-28 23:52:07,316 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-28 23:52:07,316 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-28 23:52:07,316 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:07,316 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-28 23:52:07,316 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-28 23:52:07,316 INFO L133 ssoRankerPreferences]: Filename of dumped script: avg10-2.i_Iteration5_Lasso [2023-11-28 23:52:07,316 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-28 23:52:07,316 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-28 23:52:07,320 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:07,324 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:07,326 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:07,328 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:07,330 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:07,332 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:07,333 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:07,336 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:07,338 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:07,340 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:07,343 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:07,345 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:07,347 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:07,357 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:07,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:07,790 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:07,792 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:07,794 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:07,796 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:07,798 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:07,800 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:07,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:07,804 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:07,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 23:52:08,053 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-28 23:52:08,053 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-28 23:52:08,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:08,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:08,054 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:08,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-28 23:52:08,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:08,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:08,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:52:08,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:08,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:08,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:08,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:52:08,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:52:08,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:08,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-28 23:52:08,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:08,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:08,079 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:08,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-28 23:52:08,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:08,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:08,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:52:08,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:08,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:08,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:08,092 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:52:08,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:52:08,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:08,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-28 23:52:08,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:08,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:08,097 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:08,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-28 23:52:08,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:08,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:08,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:52:08,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:08,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:08,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:08,113 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:52:08,113 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:52:08,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:08,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-28 23:52:08,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:08,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:08,118 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:08,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-28 23:52:08,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:08,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:08,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:52:08,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:08,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:08,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:08,131 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:52:08,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:52:08,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:08,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-28 23:52:08,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:08,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:08,137 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:08,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-28 23:52:08,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:08,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:08,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:52:08,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:08,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:08,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:08,150 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:52:08,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:52:08,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:08,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-28 23:52:08,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:08,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:08,155 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:08,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-28 23:52:08,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:08,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:08,168 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:52:08,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:08,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:08,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:08,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:52:08,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:52:08,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:08,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-28 23:52:08,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:08,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:08,174 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:08,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-28 23:52:08,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:08,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:08,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:52:08,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:08,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:08,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:08,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:52:08,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:52:08,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:08,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-28 23:52:08,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:08,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:08,197 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:08,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-28 23:52:08,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:08,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:08,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:52:08,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:08,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:08,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:08,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:52:08,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:52:08,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:08,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-28 23:52:08,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:08,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:08,215 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:08,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-28 23:52:08,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:08,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:08,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:52:08,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:08,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:08,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:08,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:52:08,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:52:08,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:08,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-28 23:52:08,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:08,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:08,237 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:08,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-28 23:52:08,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:08,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:08,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:08,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:08,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:08,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:52:08,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:52:08,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:08,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2023-11-28 23:52:08,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:08,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:08,260 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:08,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-28 23:52:08,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:08,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:08,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:52:08,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:08,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:08,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:08,276 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:52:08,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:52:08,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:08,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-28 23:52:08,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:08,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:08,281 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:08,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-28 23:52:08,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:08,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:08,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 23:52:08,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:08,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:08,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:08,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 23:52:08,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 23:52:08,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:08,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-11-28 23:52:08,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:08,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:08,303 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:08,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-28 23:52:08,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:08,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:08,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:08,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:08,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:08,318 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:52:08,318 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:52:08,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:08,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2023-11-28 23:52:08,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:08,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:08,326 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:08,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-28 23:52:08,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:08,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:08,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:08,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:08,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:08,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:52:08,340 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:52:08,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:08,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2023-11-28 23:52:08,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:08,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:08,349 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:08,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-28 23:52:08,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:08,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:08,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:08,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:08,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:08,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:52:08,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:52:08,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 23:52:08,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-28 23:52:08,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:08,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:08,375 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:08,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-28 23:52:08,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 23:52:08,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 23:52:08,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 23:52:08,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 23:52:08,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 23:52:08,393 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 23:52:08,393 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 23:52:08,403 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-28 23:52:08,432 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2023-11-28 23:52:08,432 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 12 variables to zero. [2023-11-28 23:52:08,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:52:08,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:08,433 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 23:52:08,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-28 23:52:08,435 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-28 23:52:08,446 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-28 23:52:08,446 INFO L513 LassoAnalysis]: Proved termination. [2023-11-28 23:52:08,446 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_avg_~i~0#1) = -2*ULTIMATE.start_avg_~i~0#1 + 19 Supporting invariants [] [2023-11-28 23:52:08,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2023-11-28 23:52:08,467 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2023-11-28 23:52:08,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:08,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-28 23:52:08,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:52:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:08,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 23:52:08,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:52:08,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:52:08,559 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 [2023-11-28 23:52:08,559 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 41 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:52:08,580 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 41 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 48 transitions. Complement of second has 7 states. [2023-11-28 23:52:08,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-28 23:52:08,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:52:08,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2023-11-28 23:52:08,582 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 24 letters. Loop has 2 letters. [2023-11-28 23:52:08,583 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 23:52:08,583 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 26 letters. Loop has 2 letters. [2023-11-28 23:52:08,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 23:52:08,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 24 letters. Loop has 4 letters. [2023-11-28 23:52:08,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 23:52:08,584 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 48 transitions. [2023-11-28 23:52:08,585 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-28 23:52:08,586 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 38 states and 43 transitions. [2023-11-28 23:52:08,586 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2023-11-28 23:52:08,586 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2023-11-28 23:52:08,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 43 transitions. [2023-11-28 23:52:08,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:52:08,587 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 43 transitions. [2023-11-28 23:52:08,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 43 transitions. [2023-11-28 23:52:08,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-11-28 23:52:08,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.131578947368421) internal successors, (43), 37 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:52:08,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2023-11-28 23:52:08,590 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 43 transitions. [2023-11-28 23:52:08,590 INFO L428 stractBuchiCegarLoop]: Abstraction has 38 states and 43 transitions. [2023-11-28 23:52:08,590 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-28 23:52:08,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 43 transitions. [2023-11-28 23:52:08,591 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-28 23:52:08,591 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 23:52:08,591 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 23:52:08,592 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:52:08,592 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-28 23:52:08,593 INFO L748 eck$LassoCheckResult]: Stem: 638#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 629#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 630#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 639#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 640#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 633#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 634#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 656#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 655#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 654#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 653#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 652#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 651#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 650#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 649#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 648#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 647#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 646#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 645#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 644#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 643#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 642#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 641#L34-3 assume !(main_~i~1#1 < 10); 621#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 622#L20-3 assume !(avg_~i~0#1 < 10); 631#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 - 4294967296); 632#avg_returnLabel#1 main_#t~ret5#1 := avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;havoc avg_#in~x#1.base, avg_#in~x#1.offset;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 627#L20-8 [2023-11-28 23:52:08,593 INFO L750 eck$LassoCheckResult]: Loop: 627#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 628#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 627#L20-8 [2023-11-28 23:52:08,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:08,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1328178265, now seen corresponding path program 1 times [2023-11-28 23:52:08,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:52:08,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737579101] [2023-11-28 23:52:08,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:08,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:52:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:08,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2023-11-28 23:52:08,722 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-28 23:52:08,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:52:08,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737579101] [2023-11-28 23:52:08,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737579101] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:52:08,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:52:08,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 23:52:08,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96757568] [2023-11-28 23:52:08,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:52:08,723 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-28 23:52:08,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:08,724 INFO L85 PathProgramCache]: Analyzing trace with hash 2243, now seen corresponding path program 1 times [2023-11-28 23:52:08,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:52:08,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914619762] [2023-11-28 23:52:08,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:08,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:52:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:52:08,728 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:52:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:52:08,732 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:52:08,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:52:08,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:52:08,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:52:08,780 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2023-11-28 23:52:08,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:52:08,809 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2023-11-28 23:52:08,809 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 47 transitions. [2023-11-28 23:52:08,810 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-28 23:52:08,810 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 43 states and 47 transitions. [2023-11-28 23:52:08,811 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2023-11-28 23:52:08,811 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2023-11-28 23:52:08,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 47 transitions. [2023-11-28 23:52:08,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:52:08,811 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 47 transitions. [2023-11-28 23:52:08,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 47 transitions. [2023-11-28 23:52:08,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2023-11-28 23:52:08,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 38 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:52:08,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2023-11-28 23:52:08,814 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 43 transitions. [2023-11-28 23:52:08,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:52:08,815 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 43 transitions. [2023-11-28 23:52:08,816 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-28 23:52:08,816 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 43 transitions. [2023-11-28 23:52:08,816 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-28 23:52:08,816 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 23:52:08,816 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 23:52:08,817 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:52:08,817 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-28 23:52:08,818 INFO L748 eck$LassoCheckResult]: Stem: 725#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 716#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 717#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 720#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 721#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 727#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 744#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 743#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 742#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 741#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 740#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 739#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 738#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 737#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 736#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 735#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 734#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 733#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 732#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 731#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 730#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 729#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 728#L34-3 assume !(main_~i~1#1 < 10); 708#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 709#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 723#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 724#L20-3 assume !(avg_~i~0#1 < 10); 718#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 - 4294967296); 719#avg_returnLabel#1 main_#t~ret5#1 := avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;havoc avg_#in~x#1.base, avg_#in~x#1.offset;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 714#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 715#L20-7 [2023-11-28 23:52:08,818 INFO L750 eck$LassoCheckResult]: Loop: 715#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 726#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 715#L20-7 [2023-11-28 23:52:08,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:08,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1721709263, now seen corresponding path program 1 times [2023-11-28 23:52:08,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:52:08,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988606677] [2023-11-28 23:52:08,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:08,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:52:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:08,912 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-28 23:52:08,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:52:08,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988606677] [2023-11-28 23:52:08,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988606677] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:52:08,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929393342] [2023-11-28 23:52:08,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:08,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:52:08,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:08,914 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:52:08,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2023-11-28 23:52:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:09,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 23:52:09,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:52:09,028 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-28 23:52:09,029 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:52:09,047 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-28 23:52:09,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929393342] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 23:52:09,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-28 23:52:09,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-28 23:52:09,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76899721] [2023-11-28 23:52:09,048 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-28 23:52:09,048 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-28 23:52:09,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:09,049 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 2 times [2023-11-28 23:52:09,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:52:09,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594942038] [2023-11-28 23:52:09,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:09,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:52:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:52:09,053 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:52:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:52:09,056 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:52:09,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:52:09,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-28 23:52:09,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-28 23:52:09,102 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 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) [2023-11-28 23:52:09,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:52:09,178 INFO L93 Difference]: Finished difference Result 58 states and 62 transitions. [2023-11-28 23:52:09,178 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 62 transitions. [2023-11-28 23:52:09,179 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-28 23:52:09,180 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 58 states and 62 transitions. [2023-11-28 23:52:09,180 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2023-11-28 23:52:09,180 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2023-11-28 23:52:09,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 62 transitions. [2023-11-28 23:52:09,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:52:09,181 INFO L218 hiAutomatonCegarLoop]: Abstraction has 58 states and 62 transitions. [2023-11-28 23:52:09,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 62 transitions. [2023-11-28 23:52:09,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 51. [2023-11-28 23:52:09,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 51 states have (on average 1.0784313725490196) internal successors, (55), 50 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:52:09,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2023-11-28 23:52:09,185 INFO L240 hiAutomatonCegarLoop]: Abstraction has 51 states and 55 transitions. [2023-11-28 23:52:09,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 23:52:09,186 INFO L428 stractBuchiCegarLoop]: Abstraction has 51 states and 55 transitions. [2023-11-28 23:52:09,186 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-28 23:52:09,186 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 55 transitions. [2023-11-28 23:52:09,187 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-28 23:52:09,187 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 23:52:09,187 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 23:52:09,188 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:52:09,189 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-28 23:52:09,189 INFO L748 eck$LassoCheckResult]: Stem: 1007#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 997#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 998#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1009#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1010#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1001#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1002#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1032#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1031#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1030#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1029#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1028#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1027#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1026#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1025#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1024#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1022#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1020#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1018#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1016#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1015#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1014#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1013#L34-3 assume !(main_~i~1#1 < 10); 989#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 990#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1004#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1005#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1006#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1037#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1036#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1035#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1034#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1033#L20-3 assume !(avg_~i~0#1 < 10); 999#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 - 4294967296); 1000#avg_returnLabel#1 main_#t~ret5#1 := avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;havoc avg_#in~x#1.base, avg_#in~x#1.offset;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 995#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 996#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1008#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1023#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1021#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1019#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1017#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1012#L20-7 [2023-11-28 23:52:09,189 INFO L750 eck$LassoCheckResult]: Loop: 1012#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1011#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1012#L20-7 [2023-11-28 23:52:09,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:09,189 INFO L85 PathProgramCache]: Analyzing trace with hash 512696561, now seen corresponding path program 1 times [2023-11-28 23:52:09,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:52:09,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254997311] [2023-11-28 23:52:09,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:09,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:52:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:09,360 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2023-11-28 23:52:09,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:52:09,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254997311] [2023-11-28 23:52:09,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254997311] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:52:09,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179675089] [2023-11-28 23:52:09,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:09,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:52:09,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:09,362 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:52:09,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2023-11-28 23:52:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:09,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-28 23:52:09,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:52:09,499 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2023-11-28 23:52:09,499 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:52:09,562 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2023-11-28 23:52:09,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [179675089] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 23:52:09,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-28 23:52:09,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2023-11-28 23:52:09,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156727062] [2023-11-28 23:52:09,563 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-28 23:52:09,564 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-28 23:52:09,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:09,564 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 3 times [2023-11-28 23:52:09,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:52:09,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539300665] [2023-11-28 23:52:09,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:09,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:52:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:52:09,569 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:52:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:52:09,572 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:52:09,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:52:09,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-28 23:52:09,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-28 23:52:09,618 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. cyclomatic complexity: 9 Second operand has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 13 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:52:09,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:52:09,761 INFO L93 Difference]: Finished difference Result 94 states and 98 transitions. [2023-11-28 23:52:09,761 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94 states and 98 transitions. [2023-11-28 23:52:09,762 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-28 23:52:09,763 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94 states to 94 states and 98 transitions. [2023-11-28 23:52:09,763 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 54 [2023-11-28 23:52:09,763 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 54 [2023-11-28 23:52:09,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 94 states and 98 transitions. [2023-11-28 23:52:09,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:52:09,764 INFO L218 hiAutomatonCegarLoop]: Abstraction has 94 states and 98 transitions. [2023-11-28 23:52:09,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states and 98 transitions. [2023-11-28 23:52:09,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 75. [2023-11-28 23:52:09,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 75 states have (on average 1.0533333333333332) internal successors, (79), 74 states have internal predecessors, (79), 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) [2023-11-28 23:52:09,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 79 transitions. [2023-11-28 23:52:09,769 INFO L240 hiAutomatonCegarLoop]: Abstraction has 75 states and 79 transitions. [2023-11-28 23:52:09,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-28 23:52:09,770 INFO L428 stractBuchiCegarLoop]: Abstraction has 75 states and 79 transitions. [2023-11-28 23:52:09,770 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-28 23:52:09,771 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states and 79 transitions. [2023-11-28 23:52:09,771 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2023-11-28 23:52:09,771 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 23:52:09,771 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 23:52:09,773 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:52:09,773 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-28 23:52:09,774 INFO L748 eck$LassoCheckResult]: Stem: 1414#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 1404#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1405#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1408#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1409#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1416#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1448#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1446#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1444#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1442#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1440#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1438#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1436#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1434#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1432#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1430#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1428#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1426#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1424#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1422#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1421#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1420#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1419#L34-3 assume !(main_~i~1#1 < 10); 1396#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1397#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1411#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1412#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1413#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1468#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1467#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1466#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1465#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1464#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1463#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1462#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1461#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1460#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1459#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1458#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1457#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1456#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1455#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1454#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1453#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1452#L20-3 assume !(avg_~i~0#1 < 10); 1406#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 - 4294967296); 1407#avg_returnLabel#1 main_#t~ret5#1 := avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;havoc avg_#in~x#1.base, avg_#in~x#1.offset;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1402#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1403#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1415#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1451#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1450#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1449#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1447#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1445#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1443#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1441#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1439#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1437#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1435#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1433#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1431#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1429#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1427#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1425#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1423#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1418#L20-7 [2023-11-28 23:52:09,774 INFO L750 eck$LassoCheckResult]: Loop: 1418#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1417#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1418#L20-7 [2023-11-28 23:52:09,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:09,775 INFO L85 PathProgramCache]: Analyzing trace with hash -549950095, now seen corresponding path program 2 times [2023-11-28 23:52:09,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:52:09,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816416328] [2023-11-28 23:52:09,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:09,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:52:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:52:09,924 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:52:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:52:10,023 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:52:10,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:10,024 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 4 times [2023-11-28 23:52:10,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:52:10,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245696171] [2023-11-28 23:52:10,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:10,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:52:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:52:10,027 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:52:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:52:10,030 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:52:10,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:10,031 INFO L85 PathProgramCache]: Analyzing trace with hash -221062545, now seen corresponding path program 3 times [2023-11-28 23:52:10,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:52:10,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988006696] [2023-11-28 23:52:10,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:10,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:52:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:52:10,331 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 81 proven. 19 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-11-28 23:52:10,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:52:10,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988006696] [2023-11-28 23:52:10,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988006696] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:52:10,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166770776] [2023-11-28 23:52:10,331 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-28 23:52:10,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:52:10,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:52:10,334 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:52:10,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0f7c81-5f6e-465b-ba62-e7571b549252/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2023-11-28 23:52:10,549 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-11-28 23:52:10,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-28 23:52:10,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-28 23:52:10,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:52:10,605 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-11-28 23:52:10,605 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:52:10,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166770776] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:52:10,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 23:52:10,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12] total 13 [2023-11-28 23:52:10,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683373954] [2023-11-28 23:52:10,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:52:10,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:52:10,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-28 23:52:10,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2023-11-28 23:52:10,667 INFO L87 Difference]: Start difference. First operand 75 states and 79 transitions. cyclomatic complexity: 9 Second operand has 13 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 13 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:52:10,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:52:10,860 INFO L93 Difference]: Finished difference Result 94 states and 95 transitions. [2023-11-28 23:52:10,860 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94 states and 95 transitions. [2023-11-28 23:52:10,861 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-28 23:52:10,862 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94 states to 72 states and 73 transitions. [2023-11-28 23:52:10,862 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2023-11-28 23:52:10,862 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2023-11-28 23:52:10,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 73 transitions. [2023-11-28 23:52:10,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 23:52:10,863 INFO L218 hiAutomatonCegarLoop]: Abstraction has 72 states and 73 transitions. [2023-11-28 23:52:10,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 73 transitions. [2023-11-28 23:52:10,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-28 23:52:10,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 72 states have (on average 1.0138888888888888) internal successors, (73), 71 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 23:52:10,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 73 transitions. [2023-11-28 23:52:10,868 INFO L240 hiAutomatonCegarLoop]: Abstraction has 72 states and 73 transitions. [2023-11-28 23:52:10,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-28 23:52:10,869 INFO L428 stractBuchiCegarLoop]: Abstraction has 72 states and 73 transitions. [2023-11-28 23:52:10,869 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-28 23:52:10,869 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 73 transitions. [2023-11-28 23:52:10,870 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-28 23:52:10,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 23:52:10,870 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 23:52:10,871 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:52:10,871 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-28 23:52:10,872 INFO L748 eck$LassoCheckResult]: Stem: 1800#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 1791#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post3#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1792#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1795#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1796#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1802#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1837#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1835#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1833#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1831#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1829#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1827#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1825#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1823#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1821#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1819#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1817#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1815#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1813#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1811#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1809#L34-3 assume !!(main_~i~1#1 < 10);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet4#1; 1805#L34-2 main_#t~post3#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 1804#L34-3 assume !(main_~i~1#1 < 10); 1785#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1786#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1799#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1797#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1798#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1854#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1853#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1852#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1851#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1850#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1849#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1848#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1847#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1846#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1845#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1844#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1843#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1842#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1841#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1840#L20-3 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1839#L20-2 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1838#L20-3 assume !(avg_~i~0#1 < 10); 1793#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 - 4294967296); 1794#avg_returnLabel#1 main_#t~ret5#1 := avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;havoc avg_#in~x#1.base, avg_#in~x#1.offset;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1789#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1790#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1801#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1836#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1834#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1832#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1830#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1828#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1826#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1824#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1822#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1820#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1818#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1816#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1814#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1812#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1810#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1808#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1807#L20-8 assume !!(avg_~i~0#1 < 10);call avg_#t~mem2#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem2#1;havoc avg_#t~mem2#1; 1806#L20-7 avg_#t~post1#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post1#1;havoc avg_#t~post1#1; 1803#L20-8 assume !(avg_~i~0#1 < 10); 1783#L20-9 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 10 then 1 + avg_~ret~0#1 / 10 else avg_~ret~0#1 / 10) % 4294967296 - 4294967296); 1784#avg_returnLabel#2 main_#t~ret8#1 := avg_#res#1;havoc avg_#t~mem2#1, avg_#t~post1#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;havoc avg_#in~x#1.base, avg_#in~x#1.offset;assume { :end_inline_avg } true;main_~ret2~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1;call main_#t~mem9#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem9#1;havoc main_#t~mem9#1;main_~i~2#1 := 0; 1788#L43-3 [2023-11-28 23:52:10,872 INFO L750 eck$LassoCheckResult]: Loop: 1788#L43-3 assume !!(main_~i~2#1 < 9);call main_#t~mem11#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~2#1), 4);call write~int#1(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~2#1, 4);havoc main_#t~mem11#1; 1787#L43-2 main_#t~post10#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1788#L43-3 [2023-11-28 23:52:10,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:10,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1987708689, now seen corresponding path program 1 times [2023-11-28 23:52:10,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:52:10,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438662481] [2023-11-28 23:52:10,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:10,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:52:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:52:10,981 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:52:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:52:11,085 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:52:11,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:11,086 INFO L85 PathProgramCache]: Analyzing trace with hash 2755, now seen corresponding path program 1 times [2023-11-28 23:52:11,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:52:11,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903608412] [2023-11-28 23:52:11,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:11,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:52:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:52:11,090 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:52:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:52:11,094 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:52:11,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:52:11,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1072398385, now seen corresponding path program 1 times [2023-11-28 23:52:11,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:52:11,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468576529] [2023-11-28 23:52:11,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:52:11,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:52:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:52:11,196 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:52:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:52:11,264 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:52:38,300 WARN L293 SmtUtils]: Spent 26.96s on a formula simplification. DAG size of input: 551 DAG size of output: 415 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-28 23:53:45,560 WARN L293 SmtUtils]: Spent 1.03m on a formula simplification that was a NOOP. DAG size: 672 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-28 23:53:45,576 INFO L210 LassoAnalysis]: Preferences: [2023-11-28 23:53:45,576 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-28 23:53:45,576 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-28 23:53:45,576 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-28 23:53:45,576 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-28 23:53:45,576 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 23:53:45,576 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-28 23:53:45,576 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-28 23:53:45,576 INFO L133 ssoRankerPreferences]: Filename of dumped script: avg10-2.i_Iteration10_Lasso [2023-11-28 23:53:45,576 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-28 23:53:45,576 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-28 23:53:45,588 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12