./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/count_up_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/count_up_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme --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 64bit --witnessprinter.graph.data.programhash f12e3955ea6fcca41dc2c68fc8e1d5a42d0369455d727c76f4dfb832d3060ba5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:52:58,858 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:52:58,980 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-26 11:52:58,987 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:52:58,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:52:59,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:52:59,028 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:52:59,028 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:52:59,029 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:52:59,034 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:52:59,036 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:52:59,036 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:52:59,037 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:52:59,039 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:52:59,040 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:52:59,040 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:52:59,041 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:52:59,042 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:52:59,043 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:52:59,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:52:59,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:52:59,044 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:52:59,045 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:52:59,045 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:52:59,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:52:59,046 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:52:59,047 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:52:59,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:52:59,048 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:52:59,048 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:52:59,049 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:52:59,050 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:52:59,050 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:52:59,050 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:52:59,051 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:52:59,051 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_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f12e3955ea6fcca41dc2c68fc8e1d5a42d0369455d727c76f4dfb832d3060ba5 [2023-11-26 11:52:59,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:52:59,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:52:59,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:52:59,437 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:52:59,437 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:52:59,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/termination-15/count_up_alloca.i [2023-11-26 11:53:02,536 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:53:02,839 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:53:02,839 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/sv-benchmarks/c/termination-15/count_up_alloca.i [2023-11-26 11:53:02,860 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/data/668d38007/eb7a8efc1dd04bc3a55bd360b7a04692/FLAGf4faf307d [2023-11-26 11:53:02,879 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/data/668d38007/eb7a8efc1dd04bc3a55bd360b7a04692 [2023-11-26 11:53:02,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:53:02,886 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:53:02,890 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:53:02,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:53:02,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:53:02,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:53:02" (1/1) ... [2023-11-26 11:53:02,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9c2f473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:02, skipping insertion in model container [2023-11-26 11:53:02,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:53:02" (1/1) ... [2023-11-26 11:53:02,963 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:53:03,301 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:53:03,314 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:53:03,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:53:03,398 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:53:03,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:03 WrapperNode [2023-11-26 11:53:03,399 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:53:03,400 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:53:03,400 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:53:03,400 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:53:03,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:03" (1/1) ... [2023-11-26 11:53:03,421 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:03" (1/1) ... [2023-11-26 11:53:03,444 INFO L138 Inliner]: procedures = 151, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 62 [2023-11-26 11:53:03,444 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:53:03,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:53:03,445 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:53:03,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:53:03,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:03" (1/1) ... [2023-11-26 11:53:03,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:03" (1/1) ... [2023-11-26 11:53:03,459 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:03" (1/1) ... [2023-11-26 11:53:03,472 INFO L175 MemorySlicer]: Split 4 memory accesses to 1 slices as follows [4]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2023-11-26 11:53:03,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:03" (1/1) ... [2023-11-26 11:53:03,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:03" (1/1) ... [2023-11-26 11:53:03,478 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:03" (1/1) ... [2023-11-26 11:53:03,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:03" (1/1) ... [2023-11-26 11:53:03,483 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:03" (1/1) ... [2023-11-26 11:53:03,484 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:03" (1/1) ... [2023-11-26 11:53:03,487 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:53:03,488 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:53:03,488 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:53:03,489 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:53:03,490 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:03" (1/1) ... [2023-11-26 11:53:03,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:03,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:03,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:03,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:53:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:53:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:53:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:53:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:53:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:53:03,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:53:03,653 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:53:03,656 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:53:03,810 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:53:03,822 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:53:03,822 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-26 11:53:03,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:53:03 BoogieIcfgContainer [2023-11-26 11:53:03,828 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:53:03,829 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:53:03,830 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:53:03,835 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:53:03,836 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:53:03,836 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:53:02" (1/3) ... [2023-11-26 11:53:03,838 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@396360b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:53:03, skipping insertion in model container [2023-11-26 11:53:03,838 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:53:03,838 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:03" (2/3) ... [2023-11-26 11:53:03,842 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@396360b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:53:03, skipping insertion in model container [2023-11-26 11:53:03,843 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:53:03,843 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:53:03" (3/3) ... [2023-11-26 11:53:03,845 INFO L332 chiAutomizerObserver]: Analyzing ICFG count_up_alloca.i [2023-11-26 11:53:03,934 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:53:03,935 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:53:03,935 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:53:03,936 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:53:03,936 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:53:03,937 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:53:03,937 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:53:03,938 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:53:03,943 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:03,967 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-26 11:53:03,967 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:53:03,968 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:53:03,974 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-26 11:53:03,975 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 11:53:03,976 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 11:53:03,977 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:03,980 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-26 11:53:03,980 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:53:03,980 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:53:03,981 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-26 11:53:03,981 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 11:53:03,990 INFO L748 eck$LassoCheckResult]: Stem: 14#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~nondet206#1, main_#t~malloc207#1.base, main_#t~malloc207#1.offset, main_#t~nondet209#1, main_#t~post208#1, main_#t~mem212#1, main_#t~post213#1, main_#t~mem211#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~limit~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet205#1;main_~limit~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1;havoc main_#t~nondet206#1;main_~length~0#1 := main_#t~nondet206#1;havoc main_#t~nondet206#1; 5#L369true assume !(main_~length~0#1 < 1); 10#L369-2true call main_#t~malloc207#1.base, main_#t~malloc207#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc207#1.base, main_#t~malloc207#1.offset; 15#L371true assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 17#L372-3true [2023-11-26 11:53:03,991 INFO L750 eck$LassoCheckResult]: Loop: 17#L372-3true assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet209#1;main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 19#L374true assume main_~val~0#1 > main_~limit~0#1;main_~val~0#1 := main_~limit~0#1; 3#L374-2true call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 16#L372-2true main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 17#L372-3true [2023-11-26 11:53:03,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:03,998 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2023-11-26 11:53:04,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:04,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569913651] [2023-11-26 11:53:04,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:04,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:04,155 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:53:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:04,187 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:53:04,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:04,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1603878, now seen corresponding path program 1 times [2023-11-26 11:53:04,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:04,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001991076] [2023-11-26 11:53:04,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:04,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:04,227 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:53:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:04,244 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:53:04,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:04,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1182970350, now seen corresponding path program 1 times [2023-11-26 11:53:04,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:04,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908231140] [2023-11-26 11:53:04,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:04,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:04,295 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:53:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:04,330 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:53:04,746 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:53:04,747 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:53:04,747 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:53:04,747 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:53:04,748 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:53:04,748 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:04,748 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:53:04,748 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:53:04,749 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_up_alloca.i_Iteration1_Lasso [2023-11-26 11:53:04,749 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:53:04,749 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:53:04,770 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:04,780 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:04,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:04,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:04,792 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:04,795 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:05,010 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:05,013 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:05,018 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:05,023 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:05,026 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:05,029 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:05,346 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:53:05,351 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:53:05,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:05,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:05,359 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:05,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:05,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 11:53:05,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:05,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:53:05,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:05,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:05,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:05,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:53:05,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:53:05,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:05,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:05,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:05,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:05,410 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:05,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:05,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 11:53:05,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:05,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:53:05,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:05,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:05,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:05,432 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:53:05,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:53:05,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:05,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:05,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:05,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:05,451 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:05,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:05,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 11:53:05,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:05,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:53:05,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:05,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:05,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:05,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:53:05,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:53:05,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:05,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:05,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:05,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:05,490 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:05,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 11:53:05,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:05,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:05,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:05,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:05,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:05,517 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:53:05,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:53:05,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:05,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:05,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:05,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:05,542 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:05,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:05,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 11:53:05,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:05,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:53:05,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:05,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:05,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:05,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:53:05,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:53:05,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:05,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:05,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:05,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:05,586 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:05,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 11:53:05,599 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:05,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:05,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:53:05,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:05,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:05,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:05,613 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:53:05,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:53:05,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:05,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:05,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:05,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:05,632 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:05,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:05,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:05,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:05,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:05,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:05,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 11:53:05,660 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:53:05,660 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:53:05,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:05,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:05,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:05,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:05,690 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:05,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:05,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:05,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:05,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:05,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:05,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 11:53:05,733 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:53:05,733 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:53:05,788 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:53:05,878 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-11-26 11:53:05,879 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-26 11:53:05,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:05,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:05,928 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:05,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 11:53:05,933 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:53:05,962 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-26 11:53:05,962 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:53:05,963 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc207#1.base)_1, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc207#1.base)_1 - 4*ULTIMATE.start_main_~i~0#1 Supporting invariants [1*ULTIMATE.start_main_~arr~0#1.offset >= 0] [2023-11-26 11:53:05,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:05,997 INFO L156 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2023-11-26 11:53:06,009 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc207!base] could not be translated [2023-11-26 11:53:06,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:06,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 11:53:06,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:53:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:06,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 11:53:06,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:53:06,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:53:06,265 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-26 11:53:06,267 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 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) [2023-11-26 11:53:06,374 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 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) Result 40 states and 57 transitions. Complement of second has 9 states. [2023-11-26 11:53:06,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 11:53:06,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 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) [2023-11-26 11:53:06,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 37 transitions. [2023-11-26 11:53:06,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 37 transitions. Stem has 5 letters. Loop has 4 letters. [2023-11-26 11:53:06,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:53:06,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 37 transitions. Stem has 9 letters. Loop has 4 letters. [2023-11-26 11:53:06,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:53:06,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 37 transitions. Stem has 5 letters. Loop has 8 letters. [2023-11-26 11:53:06,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:53:06,387 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 57 transitions. [2023-11-26 11:53:06,390 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:53:06,394 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 15 states and 20 transitions. [2023-11-26 11:53:06,395 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-26 11:53:06,395 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-26 11:53:06,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2023-11-26 11:53:06,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:53:06,397 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2023-11-26 11:53:06,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2023-11-26 11:53:06,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-26 11:53:06,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 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) [2023-11-26 11:53:06,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2023-11-26 11:53:06,425 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2023-11-26 11:53:06,425 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2023-11-26 11:53:06,425 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 11:53:06,425 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2023-11-26 11:53:06,426 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:53:06,427 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:53:06,427 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:53:06,427 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:53:06,427 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 11:53:06,428 INFO L748 eck$LassoCheckResult]: Stem: 146#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 142#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~nondet206#1, main_#t~malloc207#1.base, main_#t~malloc207#1.offset, main_#t~nondet209#1, main_#t~post208#1, main_#t~mem212#1, main_#t~post213#1, main_#t~mem211#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~limit~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet205#1;main_~limit~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1;havoc main_#t~nondet206#1;main_~length~0#1 := main_#t~nondet206#1;havoc main_#t~nondet206#1; 139#L369 assume !(main_~length~0#1 < 1); 140#L369-2 call main_#t~malloc207#1.base, main_#t~malloc207#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc207#1.base, main_#t~malloc207#1.offset; 145#L371 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 147#L372-3 assume !(main_~i~0#1 < main_~length~0#1); 144#L372-4 main_~j~0#1 := 0; 138#L379-3 [2023-11-26 11:53:06,428 INFO L750 eck$LassoCheckResult]: Loop: 138#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 141#L380-3 call main_#t~mem211#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 143#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 137#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 138#L379-3 [2023-11-26 11:53:06,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:06,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815512, now seen corresponding path program 1 times [2023-11-26 11:53:06,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:06,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031040198] [2023-11-26 11:53:06,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:06,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:06,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:53:06,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:53:06,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031040198] [2023-11-26 11:53:06,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031040198] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:06,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:06,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:53:06,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376893389] [2023-11-26 11:53:06,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:06,518 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:53:06,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:06,519 INFO L85 PathProgramCache]: Analyzing trace with hash 2252300, now seen corresponding path program 1 times [2023-11-26 11:53:06,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:06,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89821554] [2023-11-26 11:53:06,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:06,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:06,534 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:53:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:06,549 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:53:06,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:53:06,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:53:06,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:53:06,626 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:06,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:53:06,667 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2023-11-26 11:53:06,667 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2023-11-26 11:53:06,675 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:53:06,676 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 23 transitions. [2023-11-26 11:53:06,676 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-26 11:53:06,676 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-26 11:53:06,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2023-11-26 11:53:06,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:53:06,676 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2023-11-26 11:53:06,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2023-11-26 11:53:06,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 15. [2023-11-26 11:53:06,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:06,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2023-11-26 11:53:06,679 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2023-11-26 11:53:06,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:53:06,680 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2023-11-26 11:53:06,680 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 11:53:06,680 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2023-11-26 11:53:06,681 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:53:06,681 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:53:06,681 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:53:06,682 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:53:06,682 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 11:53:06,682 INFO L748 eck$LassoCheckResult]: Stem: 187#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 183#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~nondet206#1, main_#t~malloc207#1.base, main_#t~malloc207#1.offset, main_#t~nondet209#1, main_#t~post208#1, main_#t~mem212#1, main_#t~post213#1, main_#t~mem211#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~limit~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet205#1;main_~limit~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1;havoc main_#t~nondet206#1;main_~length~0#1 := main_#t~nondet206#1;havoc main_#t~nondet206#1; 179#L369 assume !(main_~length~0#1 < 1); 180#L369-2 call main_#t~malloc207#1.base, main_#t~malloc207#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc207#1.base, main_#t~malloc207#1.offset; 184#L371 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 186#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet209#1;main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 189#L374 assume !(main_~val~0#1 > main_~limit~0#1); 175#L374-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 176#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 188#L372-3 assume !(main_~i~0#1 < main_~length~0#1); 185#L372-4 main_~j~0#1 := 0; 178#L379-3 [2023-11-26 11:53:06,682 INFO L750 eck$LassoCheckResult]: Loop: 178#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 181#L380-3 call main_#t~mem211#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 182#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 177#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 178#L379-3 [2023-11-26 11:53:06,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:06,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1329979393, now seen corresponding path program 1 times [2023-11-26 11:53:06,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:06,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001202708] [2023-11-26 11:53:06,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:06,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:06,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:53:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:06,713 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:53:06,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:06,714 INFO L85 PathProgramCache]: Analyzing trace with hash 2252300, now seen corresponding path program 2 times [2023-11-26 11:53:06,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:06,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490464094] [2023-11-26 11:53:06,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:06,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:06,720 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:53:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:06,726 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:53:06,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:06,727 INFO L85 PathProgramCache]: Analyzing trace with hash -2035265782, now seen corresponding path program 1 times [2023-11-26 11:53:06,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:06,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092474139] [2023-11-26 11:53:06,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:06,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:06,752 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:53:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:06,779 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:53:07,056 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:53:07,057 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:53:07,057 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:53:07,057 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:53:07,057 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:53:07,057 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:07,058 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:53:07,058 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:53:07,058 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_up_alloca.i_Iteration3_Lasso [2023-11-26 11:53:07,058 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:53:07,058 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:53:07,061 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:07,064 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:07,067 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:07,070 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:07,073 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:07,076 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:07,080 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:07,083 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:07,086 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:07,090 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:07,093 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:07,095 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:07,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-26 11:53:07,480 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:53:07,480 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:53:07,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:07,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:07,482 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:07,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:07,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:07,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:53:07,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:07,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:07,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:07,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:53:07,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:53:07,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 11:53:07,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:07,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:07,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:07,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:07,533 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:07,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:07,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 11:53:07,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:07,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:53:07,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:07,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:07,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:07,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:53:07,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:53:07,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:07,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:07,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:07,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:07,572 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:07,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 11:53:07,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:07,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:07,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:53:07,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:07,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:07,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:07,595 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:53:07,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:53:07,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:07,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:07,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:07,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:07,615 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:07,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-26 11:53:07,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:07,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:07,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:53:07,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:07,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:07,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:07,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:53:07,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:53:07,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:07,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:07,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:07,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:07,666 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:07,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-26 11:53:07,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:07,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:07,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:53:07,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:07,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:07,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:07,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:53:07,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:53:07,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:07,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:07,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:07,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:07,703 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:07,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:07,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-26 11:53:07,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:07,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:07,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:07,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:07,727 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:53:07,727 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:53:07,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:07,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:07,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:07,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:07,748 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:07,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:07,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:07,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:53:07,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:07,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:07,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:07,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:53:07,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:53:07,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-26 11:53:07,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:07,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:07,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:07,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:07,797 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:07,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:07,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:07,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:53:07,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:07,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:07,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:07,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:53:07,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:53:07,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-26 11:53:07,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:07,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:07,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:07,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:07,849 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:07,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:07,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-26 11:53:07,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:07,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:07,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:07,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:07,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:53:07,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:53:07,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:07,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:07,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:07,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:07,889 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:07,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:07,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-26 11:53:07,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:07,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:53:07,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:07,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:07,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:07,917 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:53:07,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:53:07,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:07,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:07,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:07,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:07,941 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:07,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-26 11:53:07,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:07,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:07,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:53:07,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:07,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:07,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:07,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:53:07,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:53:07,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:07,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:07,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:07,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:07,989 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:07,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-26 11:53:07,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:08,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:08,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:08,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:08,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:08,007 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:53:08,007 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:53:08,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:08,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:08,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:08,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:08,029 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:08,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:08,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:08,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:08,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:08,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:08,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-26 11:53:08,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:53:08,054 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:53:08,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:08,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:08,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:08,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:08,089 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:08,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:08,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-26 11:53:08,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:08,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:08,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:08,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:08,117 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:53:08,118 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:53:08,135 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:53:08,171 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-11-26 11:53:08,171 INFO L444 ModelExtractionUtils]: 0 out of 19 variables were initially zero. Simplification set additionally 16 variables to zero. [2023-11-26 11:53:08,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:08,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:08,172 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:08,176 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:53:08,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-26 11:53:08,209 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 11:53:08,209 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:53:08,209 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length~0#1, ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~length~0#1 - 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2023-11-26 11:53:08,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:08,227 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2023-11-26 11:53:08,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:08,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:53:08,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:53:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:08,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 11:53:08,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:53:08,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:53:08,327 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 [2023-11-26 11:53:08,328 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2023-11-26 11:53:08,356 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 20 states and 26 transitions. Complement of second has 4 states. [2023-11-26 11:53:08,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-26 11:53:08,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2023-11-26 11:53:08,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2023-11-26 11:53:08,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 11 letters. Loop has 4 letters. [2023-11-26 11:53:08,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:53:08,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 4 letters. [2023-11-26 11:53:08,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:53:08,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 11 letters. Loop has 8 letters. [2023-11-26 11:53:08,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:53:08,362 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 26 transitions. [2023-11-26 11:53:08,369 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 11:53:08,370 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 19 states and 25 transitions. [2023-11-26 11:53:08,370 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-26 11:53:08,370 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-26 11:53:08,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2023-11-26 11:53:08,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:53:08,371 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2023-11-26 11:53:08,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2023-11-26 11:53:08,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2023-11-26 11:53:08,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:08,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2023-11-26 11:53:08,375 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2023-11-26 11:53:08,375 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2023-11-26 11:53:08,375 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-26 11:53:08,375 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2023-11-26 11:53:08,377 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 11:53:08,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:53:08,377 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:53:08,378 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:53:08,378 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:53:08,379 INFO L748 eck$LassoCheckResult]: Stem: 300#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 295#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~nondet206#1, main_#t~malloc207#1.base, main_#t~malloc207#1.offset, main_#t~nondet209#1, main_#t~post208#1, main_#t~mem212#1, main_#t~post213#1, main_#t~mem211#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~limit~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet205#1;main_~limit~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1;havoc main_#t~nondet206#1;main_~length~0#1 := main_#t~nondet206#1;havoc main_#t~nondet206#1; 290#L369 assume !(main_~length~0#1 < 1); 291#L369-2 call main_#t~malloc207#1.base, main_#t~malloc207#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc207#1.base, main_#t~malloc207#1.offset; 298#L371 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 301#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet209#1;main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 303#L374 assume !(main_~val~0#1 > main_~limit~0#1); 286#L374-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 287#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 302#L372-3 assume !(main_~i~0#1 < main_~length~0#1); 299#L372-4 main_~j~0#1 := 0; 292#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 294#L380-3 [2023-11-26 11:53:08,379 INFO L750 eck$LassoCheckResult]: Loop: 294#L380-3 call main_#t~mem211#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 296#L380-1 assume !!(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1;call main_#t~mem212#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post213#1 := main_#t~mem212#1;call write~int#0(1 + main_#t~post213#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem212#1;havoc main_#t~post213#1; 294#L380-3 [2023-11-26 11:53:08,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:08,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1720311820, now seen corresponding path program 1 times [2023-11-26 11:53:08,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:08,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52166706] [2023-11-26 11:53:08,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:08,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:08,419 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:53:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:08,439 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:53:08,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:08,443 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 1 times [2023-11-26 11:53:08,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:08,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737383545] [2023-11-26 11:53:08,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:08,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:08,454 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:53:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:08,467 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:53:08,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:08,469 INFO L85 PathProgramCache]: Analyzing trace with hash -342748399, now seen corresponding path program 1 times [2023-11-26 11:53:08,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:08,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287070019] [2023-11-26 11:53:08,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:08,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:08,506 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:53:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:08,526 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:53:08,817 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:53:08,817 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:53:08,817 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:53:08,817 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:53:08,817 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:53:08,817 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:08,818 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:53:08,818 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:53:08,818 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_up_alloca.i_Iteration4_Lasso [2023-11-26 11:53:08,818 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:53:08,818 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:53:08,821 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:08,823 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:08,827 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:08,830 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:08,833 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:08,835 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:08,837 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:08,840 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:08,843 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:08,846 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:08,848 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:08,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:09,045 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:09,269 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:53:09,269 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:53:09,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:09,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:09,276 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:09,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:09,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-26 11:53:09,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:09,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:53:09,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:09,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:09,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:09,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:53:09,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:53:09,305 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:09,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:09,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:09,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:09,315 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:09,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:09,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:09,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:09,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:09,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:09,333 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:53:09,334 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:53:09,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-26 11:53:09,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:09,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:09,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:09,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:09,352 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:09,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-26 11:53:09,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:09,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:09,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:09,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:09,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:09,369 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:53:09,369 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:53:09,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:09,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:09,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:09,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:09,405 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:09,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:09,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-26 11:53:09,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:09,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:53:09,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:09,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:09,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:09,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:53:09,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:53:09,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:09,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:09,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:09,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:09,453 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:09,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-26 11:53:09,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:09,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:09,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:53:09,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:09,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:09,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:09,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:53:09,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:53:09,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:09,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:09,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:09,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:09,497 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:09,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:09,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-26 11:53:09,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:09,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:53:09,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:09,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:09,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:09,518 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:53:09,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:53:09,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:09,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:09,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:09,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:09,555 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:09,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:09,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-26 11:53:09,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:09,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:53:09,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:09,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:09,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:09,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:53:09,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:53:09,595 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:09,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:09,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:09,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:09,602 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:09,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:09,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-26 11:53:09,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:09,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:53:09,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:09,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:09,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:09,627 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:53:09,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:53:09,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:09,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:09,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:09,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:09,654 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:09,663 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:09,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-26 11:53:09,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:09,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:53:09,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:09,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:09,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:09,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:53:09,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:53:09,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:09,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:09,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:09,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:09,705 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:09,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:09,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-26 11:53:09,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:09,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:53:09,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:09,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:09,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:09,722 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:53:09,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:53:09,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:09,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:09,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:09,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:09,754 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:09,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:09,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-26 11:53:09,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:09,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:09,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:09,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:09,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:53:09,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:53:09,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:09,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:09,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:09,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:09,801 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:09,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:09,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:09,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:09,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:09,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:09,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-26 11:53:09,821 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:53:09,821 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:53:09,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:09,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:09,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:09,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:09,849 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:09,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:09,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-26 11:53:09,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:09,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:09,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:09,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:09,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:53:09,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:53:09,903 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:53:09,926 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-26 11:53:09,926 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-26 11:53:09,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:09,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:09,928 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:09,932 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:53:09,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-26 11:53:09,964 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 11:53:09,964 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:53:09,964 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) ULTIMATE.start_main_~arr~0#1.offset)_2, ULTIMATE.start_main_~limit~0#1) = -1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) ULTIMATE.start_main_~arr~0#1.offset)_2 + 1*ULTIMATE.start_main_~limit~0#1 Supporting invariants [] [2023-11-26 11:53:09,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:09,980 INFO L156 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2023-11-26 11:53:09,983 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~arr~0!base][~arr~0!offset] could not be translated [2023-11-26 11:53:10,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:10,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 11:53:10,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:53:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:10,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 11:53:10,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:53:10,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:53:10,079 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-26 11:53:10,080 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:10,130 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 35 transitions. Complement of second has 8 states. [2023-11-26 11:53:10,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 11:53:10,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:10,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2023-11-26 11:53:10,132 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 12 letters. Loop has 2 letters. [2023-11-26 11:53:10,133 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:53:10,133 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 14 letters. Loop has 2 letters. [2023-11-26 11:53:10,133 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:53:10,133 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 12 letters. Loop has 4 letters. [2023-11-26 11:53:10,133 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:53:10,133 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 35 transitions. [2023-11-26 11:53:10,134 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 11:53:10,135 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 22 states and 28 transitions. [2023-11-26 11:53:10,135 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-26 11:53:10,135 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-26 11:53:10,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2023-11-26 11:53:10,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:53:10,136 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 28 transitions. [2023-11-26 11:53:10,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2023-11-26 11:53:10,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2023-11-26 11:53:10,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 20 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) [2023-11-26 11:53:10,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2023-11-26 11:53:10,142 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2023-11-26 11:53:10,142 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2023-11-26 11:53:10,142 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-26 11:53:10,142 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 27 transitions. [2023-11-26 11:53:10,143 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 11:53:10,143 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:53:10,143 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:53:10,144 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:53:10,145 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:53:10,145 INFO L748 eck$LassoCheckResult]: Stem: 435#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 431#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~nondet206#1, main_#t~malloc207#1.base, main_#t~malloc207#1.offset, main_#t~nondet209#1, main_#t~post208#1, main_#t~mem212#1, main_#t~post213#1, main_#t~mem211#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~limit~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet205#1;main_~limit~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1;havoc main_#t~nondet206#1;main_~length~0#1 := main_#t~nondet206#1;havoc main_#t~nondet206#1; 423#L369 assume !(main_~length~0#1 < 1); 424#L369-2 call main_#t~malloc207#1.base, main_#t~malloc207#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc207#1.base, main_#t~malloc207#1.offset; 434#L371 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 436#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet209#1;main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 438#L374 assume !(main_~val~0#1 > main_~limit~0#1); 419#L374-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 420#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 437#L372-3 assume !(main_~i~0#1 < main_~length~0#1); 433#L372-4 main_~j~0#1 := 0; 425#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 426#L380-3 call main_#t~mem211#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 430#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 421#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 422#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 428#L380-3 [2023-11-26 11:53:10,145 INFO L750 eck$LassoCheckResult]: Loop: 428#L380-3 call main_#t~mem211#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 429#L380-1 assume !!(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1;call main_#t~mem212#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post213#1 := main_#t~mem212#1;call write~int#0(1 + main_#t~post213#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem212#1;havoc main_#t~post213#1; 428#L380-3 [2023-11-26 11:53:10,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:10,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1331270241, now seen corresponding path program 2 times [2023-11-26 11:53:10,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:10,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106571875] [2023-11-26 11:53:10,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:10,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:10,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:53:10,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:53:10,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106571875] [2023-11-26 11:53:10,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106571875] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:53:10,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357747920] [2023-11-26 11:53:10,245 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 11:53:10,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:53:10,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:10,246 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:53:10,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2023-11-26 11:53:10,307 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 11:53:10,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 11:53:10,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 11:53:10,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:53:10,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:53:10,371 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:53:10,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:53:10,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1357747920] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:53:10,418 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:53:10,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2023-11-26 11:53:10,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116192335] [2023-11-26 11:53:10,419 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:53:10,419 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:53:10,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:10,420 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 2 times [2023-11-26 11:53:10,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:10,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702444872] [2023-11-26 11:53:10,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:10,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:10,426 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:53:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:10,431 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:53:10,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:53:10,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-26 11:53:10,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-26 11:53:10,474 INFO L87 Difference]: Start difference. First operand 21 states and 27 transitions. cyclomatic complexity: 10 Second operand has 11 states, 10 states have (on average 3.2) internal successors, (32), 11 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) [2023-11-26 11:53:10,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:10,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:53:10,633 INFO L93 Difference]: Finished difference Result 45 states and 57 transitions. [2023-11-26 11:53:10,633 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 57 transitions. [2023-11-26 11:53:10,634 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 11:53:10,635 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 28 states and 35 transitions. [2023-11-26 11:53:10,635 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-26 11:53:10,635 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-26 11:53:10,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 35 transitions. [2023-11-26 11:53:10,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:53:10,636 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 35 transitions. [2023-11-26 11:53:10,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 35 transitions. [2023-11-26 11:53:10,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2023-11-26 11:53:10,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.24) internal successors, (31), 24 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:10,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2023-11-26 11:53:10,639 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 31 transitions. [2023-11-26 11:53:10,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-26 11:53:10,640 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2023-11-26 11:53:10,640 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-26 11:53:10,640 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 31 transitions. [2023-11-26 11:53:10,641 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 11:53:10,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:53:10,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:53:10,642 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:53:10,642 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:53:10,642 INFO L748 eck$LassoCheckResult]: Stem: 615#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 611#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~nondet206#1, main_#t~malloc207#1.base, main_#t~malloc207#1.offset, main_#t~nondet209#1, main_#t~post208#1, main_#t~mem212#1, main_#t~post213#1, main_#t~mem211#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~limit~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet205#1;main_~limit~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1;havoc main_#t~nondet206#1;main_~length~0#1 := main_#t~nondet206#1;havoc main_#t~nondet206#1; 603#L369 assume !(main_~length~0#1 < 1); 604#L369-2 call main_#t~malloc207#1.base, main_#t~malloc207#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 18446744073709551616);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc207#1.base, main_#t~malloc207#1.offset; 614#L371 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 616#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet209#1;main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 618#L374 assume !(main_~val~0#1 > main_~limit~0#1); 623#L374-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 622#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 619#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet209#1;main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 620#L374 assume !(main_~val~0#1 > main_~limit~0#1); 599#L374-2 call write~int#0(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 600#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 617#L372-3 assume !(main_~i~0#1 < main_~length~0#1); 613#L372-4 main_~j~0#1 := 0; 605#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 606#L380-3 call main_#t~mem211#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 621#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 601#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 602#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 608#L380-3 [2023-11-26 11:53:10,643 INFO L750 eck$LassoCheckResult]: Loop: 608#L380-3 call main_#t~mem211#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 609#L380-1 assume !!(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1;call main_#t~mem212#1 := read~int#0(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post213#1 := main_#t~mem212#1;call write~int#0(1 + main_#t~post213#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem212#1;havoc main_#t~post213#1; 608#L380-3 [2023-11-26 11:53:10,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:10,643 INFO L85 PathProgramCache]: Analyzing trace with hash 34477914, now seen corresponding path program 3 times [2023-11-26 11:53:10,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:10,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364276151] [2023-11-26 11:53:10,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:10,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:10,660 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:53:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:10,674 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:53:10,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:10,675 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 3 times [2023-11-26 11:53:10,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:10,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605682770] [2023-11-26 11:53:10,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:10,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:10,680 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:53:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:10,685 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:53:10,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:10,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1226461473, now seen corresponding path program 1 times [2023-11-26 11:53:10,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:10,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824481296] [2023-11-26 11:53:10,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:10,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:10,705 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:53:10,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:10,722 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:53:11,086 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:53:11,087 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:53:11,087 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:53:11,087 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:53:11,087 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:53:11,087 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:11,087 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:53:11,087 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:53:11,088 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_up_alloca.i_Iteration6_Lasso [2023-11-26 11:53:11,088 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:53:11,088 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:53:11,090 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:11,093 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:11,096 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:11,099 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:11,103 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:11,105 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:11,272 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:11,276 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:11,278 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:11,281 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:11,284 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:11,286 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:11,289 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:53:11,518 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:53:11,518 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:53:11,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:11,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:11,521 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:11,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:11,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:11,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:53:11,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:11,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:11,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:11,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:53:11,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:53:11,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-26 11:53:11,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:11,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:11,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:11,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:11,557 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:11,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:11,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:11,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:11,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:11,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:11,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-26 11:53:11,577 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:53:11,577 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:53:11,595 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:11,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:11,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:11,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:11,604 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:11,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:11,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:11,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:53:11,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:11,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:11,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:11,621 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:53:11,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:53:11,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-26 11:53:11,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:11,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:11,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:11,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:11,637 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:11,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:11,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:11,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:11,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:11,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:11,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-26 11:53:11,656 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:53:11,656 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:53:11,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:11,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:11,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:11,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:11,680 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:11,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:11,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-26 11:53:11,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:11,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:53:11,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:11,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:11,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:11,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:53:11,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:53:11,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:11,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:11,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:11,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:11,717 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:11,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:11,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-26 11:53:11,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:11,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:11,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:11,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:11,739 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:53:11,739 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:53:11,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:11,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:11,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:11,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:11,761 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:11,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:11,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:11,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:11,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:11,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:11,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-26 11:53:11,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:53:11,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:53:11,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:11,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:11,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:11,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:11,810 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:11,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:11,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-26 11:53:11,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:11,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:11,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:11,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:11,830 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:53:11,830 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:53:11,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:11,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:11,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:11,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:11,852 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:11,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:11,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:11,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:11,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:11,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:11,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-26 11:53:11,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:53:11,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:53:11,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:53:11,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:11,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:11,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:11,902 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:11,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-26 11:53:11,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:53:11,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:53:11,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:53:11,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:53:11,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:53:11,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:53:11,922 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:53:11,936 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:53:11,954 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-26 11:53:11,955 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-26 11:53:11,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:53:11,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:11,962 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:11,964 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:53:11,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-26 11:53:11,996 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 11:53:11,997 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:53:11,997 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (* ULTIMATE.start_main_~j~0#1 4)))_3, ULTIMATE.start_main_~limit~0#1) = -1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (* ULTIMATE.start_main_~j~0#1 4)))_3 + 1*ULTIMATE.start_main_~limit~0#1 Supporting invariants [] [2023-11-26 11:53:12,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:12,019 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2023-11-26 11:53:12,021 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~arr~0!base][~arr~0!offset + ~j~0 * 4] could not be translated [2023-11-26 11:53:12,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:12,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:53:12,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:53:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:12,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 11:53:12,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:53:12,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:53:12,127 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 [2023-11-26 11:53:12,127 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:12,155 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 35 transitions. Complement of second has 7 states. [2023-11-26 11:53:12,155 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 [2023-11-26 11:53:12,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:12,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2023-11-26 11:53:12,158 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 20 letters. Loop has 2 letters. [2023-11-26 11:53:12,159 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:53:12,159 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-26 11:53:12,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:12,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:53:12,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:53:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:12,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 11:53:12,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:53:12,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:53:12,254 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-26 11:53:12,255 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:12,280 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 35 transitions. Complement of second has 7 states. [2023-11-26 11:53:12,281 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 [2023-11-26 11:53:12,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:12,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2023-11-26 11:53:12,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 20 letters. Loop has 2 letters. [2023-11-26 11:53:12,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:53:12,285 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-26 11:53:12,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:12,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:53:12,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:53:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:12,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 11:53:12,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:53:12,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:53:12,379 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-26 11:53:12,380 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:12,405 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 39 transitions. Complement of second has 6 states. [2023-11-26 11:53:12,406 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 [2023-11-26 11:53:12,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:12,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2023-11-26 11:53:12,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 20 letters. Loop has 2 letters. [2023-11-26 11:53:12,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:53:12,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 22 letters. Loop has 2 letters. [2023-11-26 11:53:12,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:53:12,411 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 20 letters. Loop has 4 letters. [2023-11-26 11:53:12,412 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:53:12,412 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 39 transitions. [2023-11-26 11:53:12,414 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:53:12,414 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2023-11-26 11:53:12,414 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 11:53:12,414 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 11:53:12,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 11:53:12,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:53:12,415 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:53:12,415 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:53:12,415 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:53:12,415 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-26 11:53:12,415 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 11:53:12,415 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:53:12,415 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 11:53:12,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 11:53:12 BoogieIcfgContainer [2023-11-26 11:53:12,423 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 11:53:12,423 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:53:12,423 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:53:12,424 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:53:12,424 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:53:03" (3/4) ... [2023-11-26 11:53:12,427 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:53:12,428 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:53:12,429 INFO L158 Benchmark]: Toolchain (without parser) took 9542.27ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 91.3MB in the beginning and 101.0MB in the end (delta: -9.7MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2023-11-26 11:53:12,429 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 136.3MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:53:12,429 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.42ms. Allocated memory is still 136.3MB. Free memory was 91.3MB in the beginning and 73.4MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 11:53:12,430 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.71ms. Allocated memory is still 136.3MB. Free memory was 73.4MB in the beginning and 71.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:53:12,430 INFO L158 Benchmark]: Boogie Preprocessor took 42.21ms. Allocated memory is still 136.3MB. Free memory was 71.4MB in the beginning and 69.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:53:12,430 INFO L158 Benchmark]: RCFGBuilder took 340.23ms. Allocated memory is still 136.3MB. Free memory was 69.3MB in the beginning and 58.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 11:53:12,431 INFO L158 Benchmark]: BuchiAutomizer took 8593.47ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 58.2MB in the beginning and 101.0MB in the end (delta: -42.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:53:12,431 INFO L158 Benchmark]: Witness Printer took 4.78ms. Allocated memory is still 169.9MB. Free memory is still 101.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:53:12,433 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 136.3MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 509.42ms. Allocated memory is still 136.3MB. Free memory was 91.3MB in the beginning and 73.4MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.71ms. Allocated memory is still 136.3MB. Free memory was 73.4MB in the beginning and 71.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.21ms. Allocated memory is still 136.3MB. Free memory was 71.4MB in the beginning and 69.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 340.23ms. Allocated memory is still 136.3MB. Free memory was 69.3MB in the beginning and 58.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 8593.47ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 58.2MB in the beginning and 101.0MB in the end (delta: -42.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.78ms. Allocated memory is still 169.9MB. Free memory is still 101.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc207!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~arr~0!base][~arr~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~arr~0!base][~arr~0!offset + ~j~0 * 4] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (2 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 6 locations. One deterministic module has affine ranking function ((-1 * j) + length) and consists of 3 locations. One deterministic module has affine ranking function null and consists of 5 locations. One nondeterministic module has affine ranking function null and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.5s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 7.0s. Construction of modules took 0.1s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 8 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 169 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 165 mSDsluCounter, 191 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 86 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 164 IncrementalHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 105 mSDtfsCounter, 164 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU2 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital121 mio100 ax100 hnf100 lsp95 ukn79 mio100 lsp45 div118 bol100 ite100 ukn100 eq169 hnf90 smp93 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-26 11:53:12,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:12,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:12,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d59f183e-c906-4981-b929-487e0e1d271e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE