./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_single_elem_init.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_single_elem_init.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 783ac259376d0d4b331b84c9ee3bd0ed2042af56d21e98db70a8bebb07aee3c2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:50:34,716 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:50:34,801 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-29 01:50:34,807 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:50:34,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:50:34,830 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:50:34,831 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:50:34,831 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:50:34,832 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:50:34,832 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:50:34,833 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:50:34,834 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:50:34,834 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:50:34,835 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 01:50:34,835 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 01:50:34,836 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 01:50:34,836 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 01:50:34,837 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 01:50:34,837 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 01:50:34,838 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:50:34,838 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 01:50:34,839 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:50:34,840 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:50:34,840 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:50:34,841 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:50:34,841 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 01:50:34,842 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 01:50:34,842 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 01:50:34,843 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 01:50:34,843 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:50:34,843 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:50:34,844 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 01:50:34,844 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:50:34,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:50:34,845 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:50:34,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:50:34,846 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:50:34,846 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 01:50:34,847 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_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 783ac259376d0d4b331b84c9ee3bd0ed2042af56d21e98db70a8bebb07aee3c2 [2023-11-29 01:50:35,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:50:35,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:50:35,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:50:35,098 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:50:35,098 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:50:35,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/array-industry-pattern/array_single_elem_init.i [2023-11-29 01:50:37,829 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:50:37,976 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:50:37,977 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/sv-benchmarks/c/array-industry-pattern/array_single_elem_init.i [2023-11-29 01:50:37,983 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/data/bf7d83b53/0eb8521b079d4749836181d1dff649e8/FLAG119c6b54b [2023-11-29 01:50:37,995 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/data/bf7d83b53/0eb8521b079d4749836181d1dff649e8 [2023-11-29 01:50:37,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:50:37,999 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:50:38,001 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:50:38,001 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:50:38,006 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:50:38,007 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:50:37" (1/1) ... [2023-11-29 01:50:38,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31216a58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:50:38, skipping insertion in model container [2023-11-29 01:50:38,008 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:50:37" (1/1) ... [2023-11-29 01:50:38,029 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:50:38,171 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:50:38,179 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:50:38,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:50:38,212 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:50:38,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:50:38 WrapperNode [2023-11-29 01:50:38,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:50:38,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:50:38,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:50:38,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:50:38,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:50:38" (1/1) ... [2023-11-29 01:50:38,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:50:38" (1/1) ... [2023-11-29 01:50:38,252 INFO L138 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2023-11-29 01:50:38,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:50:38,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:50:38,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:50:38,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:50:38,265 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:50:38" (1/1) ... [2023-11-29 01:50:38,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:50:38" (1/1) ... [2023-11-29 01:50:38,267 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:50:38" (1/1) ... [2023-11-29 01:50:38,282 INFO L175 MemorySlicer]: Split 11 memory accesses to 4 slices as follows [2, 4, 2, 3]. 36 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 6 writes are split as follows [0, 3, 1, 2]. [2023-11-29 01:50:38,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:50:38" (1/1) ... [2023-11-29 01:50:38,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:50:38" (1/1) ... [2023-11-29 01:50:38,290 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:50:38" (1/1) ... [2023-11-29 01:50:38,294 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:50:38" (1/1) ... [2023-11-29 01:50:38,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:50:38" (1/1) ... [2023-11-29 01:50:38,297 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:50:38" (1/1) ... [2023-11-29 01:50:38,299 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:50:38,300 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:50:38,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:50:38,301 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:50:38,302 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:50:38" (1/1) ... [2023-11-29 01:50:38,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:38,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:50:38,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:50:38,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 01:50:38,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:50:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 01:50:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 01:50:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 01:50:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 01:50:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 01:50:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 01:50:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 01:50:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 01:50:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 01:50:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:50:38,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:50:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 01:50:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 01:50:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 01:50:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 01:50:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 01:50:38,475 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:50:38,477 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:50:38,652 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:50:38,660 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:50:38,660 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 01:50:38,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:50:38 BoogieIcfgContainer [2023-11-29 01:50:38,662 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:50:38,663 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 01:50:38,664 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 01:50:38,668 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 01:50:38,669 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 01:50:38,669 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 01:50:37" (1/3) ... [2023-11-29 01:50:38,670 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44824985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 01:50:38, skipping insertion in model container [2023-11-29 01:50:38,670 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 01:50:38,670 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:50:38" (2/3) ... [2023-11-29 01:50:38,671 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44824985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 01:50:38, skipping insertion in model container [2023-11-29 01:50:38,671 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 01:50:38,671 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:50:38" (3/3) ... [2023-11-29 01:50:38,672 INFO L332 chiAutomizerObserver]: Analyzing ICFG array_single_elem_init.i [2023-11-29 01:50:38,718 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 01:50:38,718 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 01:50:38,718 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 01:50:38,719 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 01:50:38,719 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 01:50:38,719 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 01:50:38,719 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 01:50:38,719 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 01:50:38,723 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:50:38,741 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2023-11-29 01:50:38,741 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:50:38,741 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:50:38,747 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 01:50:38,747 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-29 01:50:38,747 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 01:50:38,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:50:38,749 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2023-11-29 01:50:38,749 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:50:38,749 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:50:38,750 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 01:50:38,750 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-29 01:50:38,758 INFO L748 eck$LassoCheckResult]: Stem: 17#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(25, 2); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~mem3#1, main_#t~mem4#1, main_#t~post1#1, main_~q~0#1, main_#t~mem6#1, main_#t~post5#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset, main_~#c~0#1.base, main_~#c~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#c~0#1.base, main_~#c~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 4#L21-3true [2023-11-29 01:50:38,758 INFO L750 eck$LassoCheckResult]: Loop: 4#L21-3true assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet2#1;main_~q~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;call write~int#1(0, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 8#L25true assume 0 == main_~q~0#1;call write~int#1(1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);call write~int#2((if main_~i~0#1 < 0 && 0 != main_~i~0#1 % 2 then main_~i~0#1 % 2 - 2 else main_~i~0#1 % 2), main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~0#1, 4); 13#L25-2true call main_#t~mem3#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5#L30true assume !(0 != main_#t~mem3#1);havoc main_#t~mem3#1; 18#L21-2true main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 4#L21-3true [2023-11-29 01:50:38,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:50:38,764 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-29 01:50:38,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:50:38,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007924163] [2023-11-29 01:50:38,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:50:38,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:50:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:50:38,883 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:50:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:50:38,915 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:50:38,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:50:38,918 INFO L85 PathProgramCache]: Analyzing trace with hash 38268879, now seen corresponding path program 1 times [2023-11-29 01:50:38,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:50:38,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133192924] [2023-11-29 01:50:38,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:50:38,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:50:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:50:39,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:50:39,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:50:39,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133192924] [2023-11-29 01:50:39,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133192924] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:50:39,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:50:39,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:50:39,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656950502] [2023-11-29 01:50:39,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:50:39,121 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 01:50:39,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:50:39,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:50:39,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:50:39,158 INFO L87 Difference]: Start difference. First operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2023-11-29 01:50:39,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:50:39,229 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2023-11-29 01:50:39,230 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2023-11-29 01:50:39,232 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2023-11-29 01:50:39,236 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 18 states and 24 transitions. [2023-11-29 01:50:39,237 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2023-11-29 01:50:39,237 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2023-11-29 01:50:39,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2023-11-29 01:50:39,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:50:39,238 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2023-11-29 01:50:39,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2023-11-29 01:50:39,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2023-11-29 01:50:39,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 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) [2023-11-29 01:50:39,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2023-11-29 01:50:39,266 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2023-11-29 01:50:39,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:50:39,271 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2023-11-29 01:50:39,272 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 01:50:39,272 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2023-11-29 01:50:39,273 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2023-11-29 01:50:39,273 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:50:39,273 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:50:39,273 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-29 01:50:39,274 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-29 01:50:39,274 INFO L748 eck$LassoCheckResult]: Stem: 71#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(25, 2); 67#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~mem3#1, main_#t~mem4#1, main_#t~post1#1, main_~q~0#1, main_#t~mem6#1, main_#t~post5#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset, main_~#c~0#1.base, main_~#c~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#c~0#1.base, main_~#c~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 57#L21-3 [2023-11-29 01:50:39,274 INFO L750 eck$LassoCheckResult]: Loop: 57#L21-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet2#1;main_~q~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;call write~int#1(0, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 59#L25 assume !(0 == main_~q~0#1); 65#L25-2 call main_#t~mem3#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 72#L30 assume !(0 != main_#t~mem3#1);havoc main_#t~mem3#1; 68#L21-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 57#L21-3 [2023-11-29 01:50:39,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:50:39,275 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2023-11-29 01:50:39,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:50:39,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669906717] [2023-11-29 01:50:39,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:50:39,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:50:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:50:39,291 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:50:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:50:39,301 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:50:39,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:50:39,302 INFO L85 PathProgramCache]: Analyzing trace with hash 38328461, now seen corresponding path program 1 times [2023-11-29 01:50:39,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:50:39,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192268279] [2023-11-29 01:50:39,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:50:39,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:50:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:50:39,313 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:50:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:50:39,320 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:50:39,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:50:39,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1809767947, now seen corresponding path program 1 times [2023-11-29 01:50:39,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:50:39,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955785926] [2023-11-29 01:50:39,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:50:39,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:50:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:50:39,343 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:50:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:50:39,360 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:50:39,797 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 01:50:39,797 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 01:50:39,798 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 01:50:39,798 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 01:50:39,798 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 01:50:39,798 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:39,798 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 01:50:39,798 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 01:50:39,798 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_single_elem_init.i_Iteration2_Lasso [2023-11-29 01:50:39,798 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 01:50:39,799 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 01:50:39,816 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:50:39,826 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:50:39,828 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:50:39,847 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:50:39,849 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:50:39,853 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:50:39,855 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:50:39,858 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:50:39,860 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:50:39,862 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:50:39,866 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:50:40,139 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:50:40,390 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 01:50:40,395 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 01:50:40,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:40,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:50:40,400 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:50:40,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:50:40,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 01:50:40,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:50:40,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:50:40,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:50:40,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:50:40,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:50:40,422 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:50:40,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:50:40,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-29 01:50:40,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:40,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:50:40,435 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:50:40,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 01:50:40,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:50:40,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:50:40,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:50:40,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:50:40,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:50:40,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:50:40,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:50:40,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:50:40,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:50:40,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 01:50:40,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:40,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:50:40,467 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:50:40,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 01:50:40,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:50:40,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:50:40,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:50:40,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:50:40,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:50:40,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:50:40,487 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:50:40,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:50:40,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 01:50:40,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:40,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:50:40,498 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:50:40,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 01:50:40,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:50:40,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:50:40,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:50:40,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:50:40,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:50:40,515 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:50:40,515 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:50:40,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:50:40,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-29 01:50:40,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:40,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:50:40,525 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:50:40,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 01:50:40,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:50:40,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:50:40,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:50:40,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:50:40,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:50:40,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:50:40,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:50:40,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:50:40,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:50:40,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-29 01:50:40,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:40,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:50:40,554 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:50:40,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 01:50:40,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:50:40,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:50:40,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:50:40,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:50:40,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:50:40,573 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:50:40,573 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:50:40,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:50:40,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 01:50:40,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:40,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:50:40,582 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:50:40,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 01:50:40,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:50:40,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:50:40,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:50:40,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:50:40,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:50:40,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:50:40,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:50:40,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:50:40,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:50:40,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 01:50:40,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:40,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:50:40,610 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:50:40,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 01:50:40,613 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 [2023-11-29 01:50:40,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:50:40,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:50:40,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:50:40,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:50:40,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:50:40,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:50:40,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:50:40,625 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:50:40,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-29 01:50:40,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:40,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:50:40,630 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:50:40,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 01:50:40,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:50:40,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:50:40,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:50:40,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:50:40,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:50:40,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:50:40,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:50:40,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:50:40,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:50:40,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 01:50:40,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:40,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:50:40,661 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:50:40,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 01:50:40,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:50:40,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:50:40,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:50:40,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:50:40,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:50:40,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:50:40,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:50:40,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:50:40,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:50:40,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-29 01:50:40,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:40,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:50:40,683 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:50:40,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-29 01:50:40,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:50:40,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:50:40,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:50:40,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:50:40,712 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 01:50:40,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:50:40,713 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-29 01:50:40,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:50:40,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:50:40,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-29 01:50:40,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:40,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:50:40,720 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:50:40,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-29 01:50:40,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:50:40,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:50:40,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:50:40,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:50:40,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:50:40,743 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:50:40,743 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:50:40,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:50:40,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-29 01:50:40,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:40,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:50:40,753 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:50:40,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-29 01:50:40,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:50:40,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:50:40,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:50:40,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:50:40,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:50:40,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:50:40,770 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:50:40,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:50:40,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-29 01:50:40,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:40,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:50:40,778 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:50:40,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-29 01:50:40,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:50:40,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:50:40,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:50:40,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:50:40,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:50:40,795 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:50:40,795 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:50:40,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:50:40,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-29 01:50:40,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:40,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:50:40,804 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:50:40,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-29 01:50:40,809 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 [2023-11-29 01:50:40,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:50:40,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:50:40,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:50:40,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:50:40,821 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:50:40,822 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:50:40,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:50:40,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-29 01:50:40,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:40,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:50:40,831 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:50:40,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-29 01:50:40,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:50:40,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:50:40,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:50:40,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:50:40,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:50:40,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:50:40,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:50:40,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:50:40,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-29 01:50:40,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:40,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:50:40,857 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:50:40,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-29 01:50:40,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:50:40,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:50:40,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:50:40,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:50:40,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:50:40,873 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:50:40,873 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:50:40,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:50:40,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-29 01:50:40,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:40,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:50:40,882 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:50:40,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-29 01:50:40,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:50:40,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:50:40,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:50:40,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:50:40,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:50:40,900 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:50:40,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:50:40,911 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 01:50:40,941 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-11-29 01:50:40,941 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-29 01:50:40,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:40,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:50:40,967 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:50:40,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-29 01:50:40,974 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 01:50:40,985 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 01:50:40,985 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 01:50:40,986 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 199999*v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_1 - 8*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-11-29 01:50:40,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-11-29 01:50:41,039 INFO L156 tatePredicateManager]: 13 out of 13 supporting invariants were superfluous and have been removed [2023-11-29 01:50:41,047 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#a~0!base] could not be translated [2023-11-29 01:50:41,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:50:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:50:41,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 01:50:41,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:50:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:50:41,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:50:41,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:50:41,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:50:41,173 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 [2023-11-29 01:50:41,174 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:50:41,233 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 36 transitions. Complement of second has 7 states. [2023-11-29 01:50:41,234 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 [2023-11-29 01:50:41,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:50:41,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2023-11-29 01:50:41,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 5 letters. [2023-11-29 01:50:41,238 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:50:41,238 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 5 letters. [2023-11-29 01:50:41,238 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:50:41,238 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 10 letters. [2023-11-29 01:50:41,239 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:50:41,239 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 36 transitions. [2023-11-29 01:50:41,241 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 01:50:41,241 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 17 states and 23 transitions. [2023-11-29 01:50:41,242 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-11-29 01:50:41,242 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-29 01:50:41,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2023-11-29 01:50:41,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:50:41,242 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2023-11-29 01:50:41,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2023-11-29 01:50:41,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2023-11-29 01:50:41,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:50:41,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2023-11-29 01:50:41,244 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2023-11-29 01:50:41,244 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2023-11-29 01:50:41,244 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-29 01:50:41,245 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2023-11-29 01:50:41,245 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-29 01:50:41,245 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:50:41,245 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:50:41,246 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-29 01:50:41,246 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 01:50:41,246 INFO L748 eck$LassoCheckResult]: Stem: 209#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(25, 2); 205#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~mem3#1, main_#t~mem4#1, main_#t~post1#1, main_~q~0#1, main_#t~mem6#1, main_#t~post5#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset, main_~#c~0#1.base, main_~#c~0#1.offset;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#c~0#1.base, main_~#c~0#1.offset := #Ultimate.allocOnStack(400000);main_~i~0#1 := 0; 194#L21-3 assume !(main_~i~0#1 < 100000); 195#L21-4 havoc main_~q~0#1;call write~int#1(1, main_~#a~0#1.base, 60000 + main_~#a~0#1.offset, 4);main_~i~0#1 := 0; 201#L43-3 [2023-11-29 01:50:41,246 INFO L750 eck$LassoCheckResult]: Loop: 201#L43-3 assume !!(main_~i~0#1 < 100000); 207#L45 assume !(15000 == main_~i~0#1); 200#L43-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 201#L43-3 [2023-11-29 01:50:41,246 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:50:41,247 INFO L85 PathProgramCache]: Analyzing trace with hash 925725, now seen corresponding path program 1 times [2023-11-29 01:50:41,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:50:41,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933423609] [2023-11-29 01:50:41,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:50:41,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:50:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:50:41,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:50:41,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:50:41,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933423609] [2023-11-29 01:50:41,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933423609] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:50:41,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:50:41,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 01:50:41,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461242674] [2023-11-29 01:50:41,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:50:41,299 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 01:50:41,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:50:41,299 INFO L85 PathProgramCache]: Analyzing trace with hash 72171, now seen corresponding path program 1 times [2023-11-29 01:50:41,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:50:41,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89102392] [2023-11-29 01:50:41,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:50:41,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:50:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:50:41,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:50:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:50:41,307 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:50:41,325 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 01:50:41,325 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 01:50:41,325 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 01:50:41,325 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 01:50:41,325 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 01:50:41,325 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:41,325 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 01:50:41,325 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 01:50:41,325 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_single_elem_init.i_Iteration3_Loop [2023-11-29 01:50:41,325 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 01:50:41,325 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 01:50:41,326 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:50:41,328 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:50:41,379 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 01:50:41,380 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 01:50:41,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:41,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:50:41,382 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:50:41,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-29 01:50:41,386 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 01:50:41,386 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 01:50:41,400 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 01:50:41,400 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5#1=0} Honda state: {ULTIMATE.start_main_#t~post5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-29 01:50:41,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-11-29 01:50:41,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:41,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:50:41,404 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:50:41,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-29 01:50:41,409 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 01:50:41,409 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 01:50:41,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-11-29 01:50:41,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:41,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:50:41,425 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:50:41,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-29 01:50:41,428 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 01:50:41,428 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 01:50:41,450 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 01:50:41,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-29 01:50:41,453 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 01:50:41,453 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 01:50:41,453 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 01:50:41,453 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 01:50:41,453 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 01:50:41,453 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:41,454 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 01:50:41,454 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 01:50:41,454 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_single_elem_init.i_Iteration3_Loop [2023-11-29 01:50:41,454 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 01:50:41,454 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 01:50:41,454 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:50:41,458 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:50:41,507 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 01:50:41,507 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 01:50:41,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:41,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:50:41,509 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:50:41,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-29 01:50:41,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:50:41,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:50:41,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:50:41,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:50:41,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:50:41,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:50:41,527 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:50:41,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:50:41,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:50:41,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-29 01:50:41,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:41,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:50:41,532 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:50:41,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-29 01:50:41,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:50:41,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:50:41,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:50:41,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:50:41,545 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 01:50:41,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:50:41,546 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-29 01:50:41,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:50:41,550 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 01:50:41,553 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 01:50:41,553 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-29 01:50:41,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:50:41,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:50:41,556 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:50:41,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-29 01:50:41,565 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 01:50:41,565 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 01:50:41,565 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 01:50:41,565 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 199999 Supporting invariants [] [2023-11-29 01:50:41,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-29 01:50:41,569 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 01:50:41,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:50:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:50:41,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 01:50:41,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:50:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:50:41,610 WARN L260 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 01:50:41,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:50:41,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:50:41,631 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 [2023-11-29 01:50:41,631 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:50:41,653 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 30 transitions. Complement of second has 4 states. [2023-11-29 01:50:41,653 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 [2023-11-29 01:50:41,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:50:41,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2023-11-29 01:50:41,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 4 letters. Loop has 3 letters. [2023-11-29 01:50:41,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:50:41,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 7 letters. Loop has 3 letters. [2023-11-29 01:50:41,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:50:41,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 4 letters. Loop has 6 letters. [2023-11-29 01:50:41,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:50:41,655 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 30 transitions. [2023-11-29 01:50:41,657 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 01:50:41,657 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2023-11-29 01:50:41,657 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 01:50:41,657 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 01:50:41,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 01:50:41,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:50:41,657 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 01:50:41,657 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 01:50:41,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:50:41,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:50:41,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:50:41,658 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:50:41,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:50:41,659 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2023-11-29 01:50:41,659 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2023-11-29 01:50:41,659 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 01:50:41,659 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 01:50:41,659 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 01:50:41,659 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 01:50:41,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 01:50:41,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:50:41,659 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 01:50:41,659 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 01:50:41,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 01:50:41,660 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 01:50:41,660 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-29 01:50:41,660 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 01:50:41,661 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 01:50:41,661 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 01:50:41,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 01:50:41 BoogieIcfgContainer [2023-11-29 01:50:41,667 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 01:50:41,667 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:50:41,667 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:50:41,667 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:50:41,668 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:50:38" (3/4) ... [2023-11-29 01:50:41,669 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 01:50:41,670 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:50:41,671 INFO L158 Benchmark]: Toolchain (without parser) took 3671.52ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 124.8MB in the beginning and 87.7MB in the end (delta: 37.1MB). Peak memory consumption was 70.6MB. Max. memory is 16.1GB. [2023-11-29 01:50:41,671 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:50:41,671 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.53ms. Allocated memory is still 159.4MB. Free memory was 124.7MB in the beginning and 113.6MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 01:50:41,672 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.58ms. Allocated memory is still 159.4MB. Free memory was 113.6MB in the beginning and 112.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:50:41,672 INFO L158 Benchmark]: Boogie Preprocessor took 46.57ms. Allocated memory is still 159.4MB. Free memory was 112.3MB in the beginning and 110.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:50:41,673 INFO L158 Benchmark]: RCFGBuilder took 361.97ms. Allocated memory is still 159.4MB. Free memory was 110.0MB in the beginning and 124.0MB in the end (delta: -14.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 01:50:41,673 INFO L158 Benchmark]: BuchiAutomizer took 3003.45ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 124.0MB in the beginning and 88.7MB in the end (delta: 35.3MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. [2023-11-29 01:50:41,674 INFO L158 Benchmark]: Witness Printer took 2.91ms. Allocated memory is still 192.9MB. Free memory was 88.7MB in the beginning and 87.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:50:41,677 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.53ms. Allocated memory is still 159.4MB. Free memory was 124.7MB in the beginning and 113.6MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.58ms. Allocated memory is still 159.4MB. Free memory was 113.6MB in the beginning and 112.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.57ms. Allocated memory is still 159.4MB. Free memory was 112.3MB in the beginning and 110.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 361.97ms. Allocated memory is still 159.4MB. Free memory was 110.0MB in the beginning and 124.0MB in the end (delta: -14.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3003.45ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 124.0MB in the beginning and 88.7MB in the end (delta: 35.3MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. * Witness Printer took 2.91ms. Allocated memory is still 192.9MB. Free memory was 88.7MB in the beginning and 87.7MB in the end (delta: 1.0MB). 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[~#a~0!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function ((-2 * i) + 199999) and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 70 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 57 IncrementalHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 40 mSDtfsCounter, 57 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital65 mio100 ax100 hnf100 lsp95 ukn89 mio100 lsp78 div100 bol100 ite100 ukn100 eq165 hnf94 smp100 dnf137 smp94 tf104 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 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! [2023-11-29 01:50:41,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-29 01:50:41,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-29 01:50:42,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a47ea4-d77e-4629-a5c1-168043f9c848/bin/uautomizer-verify-BQ2R08f2Ya/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