./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/count_down-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/count_down-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl --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 2407fc1341f915e07c0451c9d94952a51e657d88233cd0bc37ed2523188f0c82 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:06:36,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:06:36,241 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-12 02:06:36,247 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:06:36,248 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:06:36,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:06:36,275 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:06:36,275 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:06:36,276 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:06:36,277 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:06:36,278 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:06:36,278 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:06:36,279 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:06:36,280 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:06:36,280 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:06:36,281 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:06:36,281 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:06:36,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:06:36,283 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:06:36,283 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:06:36,284 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:06:36,285 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:06:36,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:06:36,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:06:36,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:06:36,287 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:06:36,287 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:06:36,288 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:06:36,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:06:36,289 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:06:36,289 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:06:36,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:06:36,290 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:06:36,291 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:06:36,291 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:06:36,292 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:06:36,293 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_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2407fc1341f915e07c0451c9d94952a51e657d88233cd0bc37ed2523188f0c82 [2023-11-12 02:06:36,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:06:36,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:06:36,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:06:36,607 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:06:36,607 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:06:36,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/array-memsafety/count_down-alloca-1.i [2023-11-12 02:06:39,697 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:06:39,993 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:06:39,994 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/sv-benchmarks/c/array-memsafety/count_down-alloca-1.i [2023-11-12 02:06:40,018 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/data/a8067e2e5/bfc2d9c5602a424092ee8b058f3a40a4/FLAG840c34e5b [2023-11-12 02:06:40,033 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/data/a8067e2e5/bfc2d9c5602a424092ee8b058f3a40a4 [2023-11-12 02:06:40,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:06:40,040 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:06:40,042 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:06:40,042 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:06:40,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:06:40,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,051 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7613dc3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40, skipping insertion in model container [2023-11-12 02:06:40,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,109 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:06:40,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:06:40,485 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:06:40,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:06:40,581 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:06:40,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40 WrapperNode [2023-11-12 02:06:40,582 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:06:40,583 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:06:40,583 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:06:40,583 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:06:40,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,608 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,628 INFO L138 Inliner]: procedures = 115, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2023-11-12 02:06:40,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:06:40,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:06:40,629 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:06:40,629 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:06:40,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,661 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,674 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,676 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,678 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:06:40,679 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:06:40,679 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:06:40,679 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:06:40,680 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:40,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:40,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:40,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:06:40,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:06:40,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:06:40,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:06:40,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:06:40,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:06:40,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:06:40,902 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:06:40,904 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:06:41,029 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:06:41,036 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:06:41,036 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-12 02:06:41,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:06:41 BoogieIcfgContainer [2023-11-12 02:06:41,039 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:06:41,040 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:06:41,040 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:06:41,044 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:06:41,045 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:06:41,046 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:06:40" (1/3) ... [2023-11-12 02:06:41,047 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@42c28b4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:06:41, skipping insertion in model container [2023-11-12 02:06:41,047 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:06:41,047 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (2/3) ... [2023-11-12 02:06:41,048 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@42c28b4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:06:41, skipping insertion in model container [2023-11-12 02:06:41,048 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:06:41,048 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:06:41" (3/3) ... [2023-11-12 02:06:41,050 INFO L332 chiAutomizerObserver]: Analyzing ICFG count_down-alloca-1.i [2023-11-12 02:06:41,111 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:06:41,111 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:06:41,111 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:06:41,111 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:06:41,111 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:06:41,111 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:06:41,112 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:06:41,112 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:06:41,121 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:41,151 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-12 02:06:41,152 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:06:41,152 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:06:41,157 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-12 02:06:41,157 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-12 02:06:41,157 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:06:41,158 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:41,160 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-12 02:06:41,160 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:06:41,160 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:06:41,161 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-12 02:06:41,161 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-12 02:06:41,167 INFO L748 eck$LassoCheckResult]: Stem: 15#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 18#L516true assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 16#L516-2true call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 10#L518true assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 11#L519-3true [2023-11-12 02:06:41,168 INFO L750 eck$LassoCheckResult]: Loop: 11#L519-3true assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 12#L521true assume main_~val~0#1 < 0;main_~val~0#1 := 0; 7#L521-2true call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8#L519-2true main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 11#L519-3true [2023-11-12 02:06:41,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:41,183 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2023-11-12 02:06:41,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:41,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74707588] [2023-11-12 02:06:41,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:41,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:41,324 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:41,361 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:41,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:41,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1603878, now seen corresponding path program 1 times [2023-11-12 02:06:41,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:41,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391924665] [2023-11-12 02:06:41,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:41,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:41,391 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:41,410 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:41,414 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:41,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1182970350, now seen corresponding path program 1 times [2023-11-12 02:06:41,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:41,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096483454] [2023-11-12 02:06:41,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:41,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:41,447 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:41,482 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:41,836 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:06:41,836 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:06:41,836 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:06:41,837 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:06:41,837 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:06:41,837 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:41,837 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:06:41,837 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:06:41,838 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration1_Lasso [2023-11-12 02:06:41,838 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:06:41,838 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:06:41,860 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:41,871 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:42,063 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:42,066 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:42,070 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:42,072 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:42,076 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:42,079 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:42,082 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:42,086 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:42,089 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:42,091 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:42,094 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:42,097 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:42,101 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:42,494 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:06:42,500 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:06:42,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:42,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:42,506 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:42,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:42,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:42,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:42,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-12 02:06:42,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:42,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:42,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:42,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:42,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:42,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:42,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:42,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:42,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:42,565 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:42,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:42,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-12 02:06:42,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:42,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:42,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:42,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:42,618 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:42,619 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:42,657 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:06:42,716 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-12 02:06:42,716 INFO L444 ModelExtractionUtils]: 1 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. [2023-11-12 02:06:42,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:42,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:42,754 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:42,758 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:06:42,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-12 02:06:42,791 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-12 02:06:42,791 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:06:42,792 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~arr~0#1.offset, v_rep(select #length ULTIMATE.start_main_~arr~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = -1*ULTIMATE.start_main_~arr~0#1.offset + 2*v_rep(select #length ULTIMATE.start_main_~arr~0#1.base)_1 - 4*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-11-12 02:06:42,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:42,828 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2023-11-12 02:06:42,856 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~arr~0!base] could not be translated [2023-11-12 02:06:42,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:42,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:06:42,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:42,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 02:06:42,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:42,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:43,036 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 [2023-11-12 02:06:43,038 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:43,123 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 58 transitions. Complement of second has 8 states. [2023-11-12 02:06:43,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-12 02:06:43,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:43,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. [2023-11-12 02:06:43,138 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 5 letters. Loop has 4 letters. [2023-11-12 02:06:43,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:43,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 9 letters. Loop has 4 letters. [2023-11-12 02:06:43,141 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:43,141 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 5 letters. Loop has 8 letters. [2023-11-12 02:06:43,143 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:43,144 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 58 transitions. [2023-11-12 02:06:43,151 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-12 02:06:43,162 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 15 states and 20 transitions. [2023-11-12 02:06:43,163 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-12 02:06:43,164 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-12 02:06:43,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2023-11-12 02:06:43,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:06:43,166 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2023-11-12 02:06:43,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2023-11-12 02:06:43,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-12 02:06:43,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:43,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2023-11-12 02:06:43,194 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2023-11-12 02:06:43,194 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2023-11-12 02:06:43,194 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-12 02:06:43,194 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2023-11-12 02:06:43,195 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-12 02:06:43,196 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:06:43,196 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:06:43,196 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:43,197 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-12 02:06:43,198 INFO L748 eck$LassoCheckResult]: Stem: 138#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 132#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 133#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 139#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 134#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 135#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 136#L519-4 main_~j~0#1 := 0; 126#L526-3 [2023-11-12 02:06:43,198 INFO L750 eck$LassoCheckResult]: Loop: 126#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 128#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 127#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 125#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 126#L526-3 [2023-11-12 02:06:43,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:43,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815512, now seen corresponding path program 1 times [2023-11-12 02:06:43,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:43,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460471385] [2023-11-12 02:06:43,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:43,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:43,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:43,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:43,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460471385] [2023-11-12 02:06:43,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460471385] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:43,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:43,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:06:43,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10792936] [2023-11-12 02:06:43,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:43,319 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-12 02:06:43,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:43,320 INFO L85 PathProgramCache]: Analyzing trace with hash 2252300, now seen corresponding path program 1 times [2023-11-12 02:06:43,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:43,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899133195] [2023-11-12 02:06:43,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:43,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:43,341 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:43,354 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:43,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:43,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:06:43,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:06:43,416 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:43,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:43,451 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2023-11-12 02:06:43,451 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2023-11-12 02:06:43,455 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-12 02:06:43,456 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 23 transitions. [2023-11-12 02:06:43,456 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-12 02:06:43,456 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-12 02:06:43,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2023-11-12 02:06:43,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:06:43,457 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2023-11-12 02:06:43,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2023-11-12 02:06:43,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 15. [2023-11-12 02:06:43,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 14 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:43,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2023-11-12 02:06:43,462 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2023-11-12 02:06:43,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:06:43,464 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2023-11-12 02:06:43,464 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-12 02:06:43,464 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2023-11-12 02:06:43,466 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-12 02:06:43,466 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:06:43,466 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:06:43,467 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:43,467 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-12 02:06:43,468 INFO L748 eck$LassoCheckResult]: Stem: 178#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 172#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 173#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 179#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 174#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 175#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 176#L521 assume !(main_~val~0#1 < 0); 169#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 170#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 171#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 177#L519-4 main_~j~0#1 := 0; 166#L526-3 [2023-11-12 02:06:43,468 INFO L750 eck$LassoCheckResult]: Loop: 166#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 168#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 167#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 165#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 166#L526-3 [2023-11-12 02:06:43,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:43,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1329979393, now seen corresponding path program 1 times [2023-11-12 02:06:43,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:43,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008912733] [2023-11-12 02:06:43,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:43,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:43,506 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:43,543 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:43,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:43,544 INFO L85 PathProgramCache]: Analyzing trace with hash 2252300, now seen corresponding path program 2 times [2023-11-12 02:06:43,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:43,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823341034] [2023-11-12 02:06:43,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:43,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:43,559 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:43,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:43,564 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:43,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:43,575 INFO L85 PathProgramCache]: Analyzing trace with hash -2035265782, now seen corresponding path program 1 times [2023-11-12 02:06:43,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:43,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015565397] [2023-11-12 02:06:43,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:43,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:43,607 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:43,627 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:43,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:43,976 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:06:43,976 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:06:43,976 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:06:43,976 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:06:43,976 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:06:43,976 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:43,976 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:06:43,976 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:06:43,977 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration3_Lasso [2023-11-12 02:06:43,977 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:06:43,977 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:06:43,980 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:44,155 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:44,159 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:44,162 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:44,166 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:44,169 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:44,173 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:44,177 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:44,181 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:44,185 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:44,188 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:44,192 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:44,196 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:44,444 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:06:44,444 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:06:44,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:44,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:44,453 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:44,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-12 02:06:44,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:44,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:44,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:44,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:44,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:44,485 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:44,485 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:44,501 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:06:44,521 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-11-12 02:06:44,521 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-12 02:06:44,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:44,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:44,522 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:44,531 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:06:44,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-12 02:06:44,558 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-12 02:06:44,558 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:06:44,558 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length~0#1, ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~length~0#1 - 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2023-11-12 02:06:44,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:44,578 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2023-11-12 02:06:44,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:44,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:06:44,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:44,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:06:44,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:44,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:44,678 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 [2023-11-12 02:06:44,679 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:44,709 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 20 states and 26 transitions. Complement of second has 4 states. [2023-11-12 02:06:44,710 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 [2023-11-12 02:06:44,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:44,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2023-11-12 02:06:44,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 11 letters. Loop has 4 letters. [2023-11-12 02:06:44,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:44,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 15 letters. Loop has 4 letters. [2023-11-12 02:06:44,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:44,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 11 letters. Loop has 8 letters. [2023-11-12 02:06:44,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:44,716 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 26 transitions. [2023-11-12 02:06:44,724 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:06:44,725 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 19 states and 25 transitions. [2023-11-12 02:06:44,725 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-12 02:06:44,726 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-12 02:06:44,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2023-11-12 02:06:44,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:06:44,726 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2023-11-12 02:06:44,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2023-11-12 02:06:44,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2023-11-12 02:06:44,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:44,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2023-11-12 02:06:44,730 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2023-11-12 02:06:44,731 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2023-11-12 02:06:44,731 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-12 02:06:44,731 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2023-11-12 02:06:44,732 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:06:44,733 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:06:44,733 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:06:44,734 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:44,734 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-12 02:06:44,734 INFO L748 eck$LassoCheckResult]: Stem: 292#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 286#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 287#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 293#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 288#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 289#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 290#L521 assume !(main_~val~0#1 < 0); 283#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 284#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 285#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 291#L519-4 main_~j~0#1 := 0; 282#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 279#L527-3 [2023-11-12 02:06:44,734 INFO L750 eck$LassoCheckResult]: Loop: 279#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 278#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 279#L527-3 [2023-11-12 02:06:44,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:44,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1720311820, now seen corresponding path program 1 times [2023-11-12 02:06:44,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:44,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041816118] [2023-11-12 02:06:44,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:44,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:44,776 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:44,798 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:44,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:44,802 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 1 times [2023-11-12 02:06:44,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:44,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523871855] [2023-11-12 02:06:44,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:44,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:44,822 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:44,832 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:44,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:44,834 INFO L85 PathProgramCache]: Analyzing trace with hash -342748399, now seen corresponding path program 1 times [2023-11-12 02:06:44,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:44,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005746356] [2023-11-12 02:06:44,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:44,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:44,861 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:44,886 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:45,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:45,182 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:06:45,182 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:06:45,182 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:06:45,182 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:06:45,182 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:06:45,182 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:45,182 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:06:45,182 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:06:45,182 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration4_Lasso [2023-11-12 02:06:45,182 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:06:45,182 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:06:45,185 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:45,190 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:45,194 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:45,197 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:45,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:45,203 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:45,209 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:45,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:45,216 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:45,218 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:45,221 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:45,224 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:45,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:45,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:45,232 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:45,647 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:06:45,647 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:06:45,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:45,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:45,651 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:45,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:45,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:45,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:45,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:45,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:45,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:45,675 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:45,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-12 02:06:45,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:45,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:45,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:45,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:45,703 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:45,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-12 02:06:45,725 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 [2023-11-12 02:06:45,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:45,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:45,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:45,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:45,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:45,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:45,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:45,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:45,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:45,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:45,765 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:45,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-12 02:06:45,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:45,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:45,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:45,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:45,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:45,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:45,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:45,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:45,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:45,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:45,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:45,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:45,837 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:45,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:45,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:45,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:45,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:45,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:45,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:45,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:45,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:45,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-12 02:06:45,877 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:45,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:45,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:45,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:45,888 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:45,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:45,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-12 02:06:45,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:45,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:45,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:45,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:45,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:45,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:45,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:45,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:45,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:45,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:45,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:45,934 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:45,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:45,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:45,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:45,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:45,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:45,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:45,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:45,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:45,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-12 02:06:45,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:45,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:45,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:45,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:45,985 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:45,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:46,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:46,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:46,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:46,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:46,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:46,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:46,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-12 02:06:46,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:46,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:46,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:46,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:46,031 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:46,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:46,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-12 02:06:46,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:46,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:46,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:46,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:46,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:46,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:46,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:46,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:46,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:46,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:46,083 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:46,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-12 02:06:46,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:46,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:46,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:46,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:46,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:46,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:46,106 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:46,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:46,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:46,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:46,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:46,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:46,139 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:46,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:46,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:46,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:46,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:46,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:46,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-12 02:06:46,167 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:46,167 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:46,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:46,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:46,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:46,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:46,207 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:46,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:46,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:46,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:46,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:46,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:46,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:46,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:46,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:46,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-12 02:06:46,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:46,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:46,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:46,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:46,236 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:46,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:46,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-12 02:06:46,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:46,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:46,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:46,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:46,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:46,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:46,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:46,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:46,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:46,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:46,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:46,277 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:46,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:46,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:46,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:46,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:46,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:46,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:46,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:46,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:46,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-12 02:06:46,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:46,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:46,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:46,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:46,318 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:46,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-12 02:06:46,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:46,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:46,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:46,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:46,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:46,352 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:46,352 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:46,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:46,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:46,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:46,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:46,373 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:46,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:46,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:46,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:46,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:46,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:46,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-12 02:06:46,405 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:46,406 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:46,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:46,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:46,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:46,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:46,435 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:46,441 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 [2023-11-12 02:06:46,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:46,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:46,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:46,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:46,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-12 02:06:46,459 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:46,460 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:46,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:46,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:46,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:46,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:46,487 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:46,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:46,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-12 02:06:46,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:46,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:46,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:46,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:46,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:46,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:46,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:46,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:46,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:46,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:46,539 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:46,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:46,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-12 02:06:46,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:46,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:46,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:46,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:46,560 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:46,560 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:46,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:46,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:46,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:46,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:46,577 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:46,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:46,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:46,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:46,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:46,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:46,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-12 02:06:46,599 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:46,600 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:46,620 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:06:46,637 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-11-12 02:06:46,637 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-11-12 02:06:46,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:46,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:46,640 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:46,644 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:06:46,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-12 02:06:46,689 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-12 02:06:46,689 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:06:46,689 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) ULTIMATE.start_main_~arr~0#1.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) ULTIMATE.start_main_~arr~0#1.offset)_2 Supporting invariants [] [2023-11-12 02:06:46,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:46,709 INFO L156 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2023-11-12 02:06:46,711 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~arr~0!base][~arr~0!offset] could not be translated [2023-11-12 02:06:46,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:46,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:46,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:06:46,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:46,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:06:46,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:46,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:46,807 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-12 02:06:46,807 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:46,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:46,878 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 35 transitions. Complement of second has 8 states. [2023-11-12 02:06:46,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-12 02:06:46,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:46,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2023-11-12 02:06:46,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 12 letters. Loop has 2 letters. [2023-11-12 02:06:46,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:46,882 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 14 letters. Loop has 2 letters. [2023-11-12 02:06:46,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:46,882 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 12 letters. Loop has 4 letters. [2023-11-12 02:06:46,883 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:46,883 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 35 transitions. [2023-11-12 02:06:46,885 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:06:46,886 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 22 states and 28 transitions. [2023-11-12 02:06:46,886 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-12 02:06:46,887 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-12 02:06:46,887 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2023-11-12 02:06:46,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:06:46,887 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 28 transitions. [2023-11-12 02:06:46,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2023-11-12 02:06:46,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2023-11-12 02:06:46,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 20 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:46,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2023-11-12 02:06:46,895 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2023-11-12 02:06:46,895 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2023-11-12 02:06:46,895 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-12 02:06:46,895 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 27 transitions. [2023-11-12 02:06:46,897 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:06:46,897 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:06:46,897 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:06:46,898 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:46,899 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-12 02:06:46,899 INFO L748 eck$LassoCheckResult]: Stem: 427#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 420#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 421#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 428#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 422#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 423#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 424#L521 assume !(main_~val~0#1 < 0); 417#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 418#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 419#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 425#L519-4 main_~j~0#1 := 0; 415#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 414#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 429#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 409#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 410#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 412#L527-3 [2023-11-12 02:06:46,899 INFO L750 eck$LassoCheckResult]: Loop: 412#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 411#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 412#L527-3 [2023-11-12 02:06:46,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:46,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1331270241, now seen corresponding path program 2 times [2023-11-12 02:06:46,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:46,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144716873] [2023-11-12 02:06:46,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:46,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:47,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:47,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:47,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144716873] [2023-11-12 02:06:47,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144716873] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:06:47,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97697726] [2023-11-12 02:06:47,028 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-12 02:06:47,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:47,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:47,029 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:47,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-11-12 02:06:47,092 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-12 02:06:47,093 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 02:06:47,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:06:47,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:47,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:47,164 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:06:47,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:47,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97697726] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:06:47,218 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:06:47,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2023-11-12 02:06:47,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685810061] [2023-11-12 02:06:47,218 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:06:47,219 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-12 02:06:47,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:47,220 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 2 times [2023-11-12 02:06:47,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:47,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2322943] [2023-11-12 02:06:47,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:47,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:47,232 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:47,241 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:47,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:47,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-12 02:06:47,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:06:47,287 INFO L87 Difference]: Start difference. First operand 21 states and 27 transitions. cyclomatic complexity: 10 Second operand has 11 states, 10 states have (on average 3.2) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:47,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:47,426 INFO L93 Difference]: Finished difference Result 45 states and 57 transitions. [2023-11-12 02:06:47,426 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 57 transitions. [2023-11-12 02:06:47,427 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:06:47,427 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 28 states and 35 transitions. [2023-11-12 02:06:47,427 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-12 02:06:47,427 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-12 02:06:47,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 35 transitions. [2023-11-12 02:06:47,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:06:47,428 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 35 transitions. [2023-11-12 02:06:47,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 35 transitions. [2023-11-12 02:06:47,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2023-11-12 02:06:47,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.24) internal successors, (31), 24 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:47,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2023-11-12 02:06:47,430 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 31 transitions. [2023-11-12 02:06:47,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-12 02:06:47,432 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2023-11-12 02:06:47,432 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-12 02:06:47,432 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 31 transitions. [2023-11-12 02:06:47,432 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:06:47,433 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:06:47,433 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:06:47,433 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:47,434 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-12 02:06:47,434 INFO L748 eck$LassoCheckResult]: Stem: 608#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 601#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 602#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 609#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 603#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 604#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 605#L521 assume !(main_~val~0#1 < 0); 613#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 599#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 600#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 606#L521 assume !(main_~val~0#1 < 0); 597#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 598#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 612#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 610#L519-4 main_~j~0#1 := 0; 595#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 594#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 611#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 589#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 590#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 592#L527-3 [2023-11-12 02:06:47,434 INFO L750 eck$LassoCheckResult]: Loop: 592#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 591#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 592#L527-3 [2023-11-12 02:06:47,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:47,435 INFO L85 PathProgramCache]: Analyzing trace with hash 34477914, now seen corresponding path program 3 times [2023-11-12 02:06:47,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:47,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016469863] [2023-11-12 02:06:47,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:47,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:47,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:47,483 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:47,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:47,484 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 3 times [2023-11-12 02:06:47,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:47,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704031180] [2023-11-12 02:06:47,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:47,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:47,494 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:47,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:47,499 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:47,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:47,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1226461473, now seen corresponding path program 1 times [2023-11-12 02:06:47,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:47,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310402009] [2023-11-12 02:06:47,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:47,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:47,548 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:47,576 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:47,950 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:06:47,950 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:06:47,950 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:06:47,950 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:06:47,950 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:06:47,950 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:47,951 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:06:47,951 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:06:47,951 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration6_Lasso [2023-11-12 02:06:47,951 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:06:47,951 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:06:47,953 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:47,957 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:47,959 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:47,963 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:47,966 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:47,968 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:48,158 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:48,161 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:48,164 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:48,169 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:48,171 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:48,173 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:48,176 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:48,178 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:48,181 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:48,426 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:06:48,427 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:06:48,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:48,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:48,429 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:48,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:48,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:48,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:48,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:48,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:48,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:48,451 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:48,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:48,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-12 02:06:48,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:48,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:48,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:48,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:48,478 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:48,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:48,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-12 02:06:48,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:48,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:48,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:48,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:48,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:48,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:48,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:48,512 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:48,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:48,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:48,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:48,521 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:48,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:48,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-12 02:06:48,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:48,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:48,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:48,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:48,544 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:48,545 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:48,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:48,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:48,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:48,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:48,561 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:48,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:48,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-12 02:06:48,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:48,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:48,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:48,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:48,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:48,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:48,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:48,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:48,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:48,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:48,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:48,604 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:48,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:48,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:48,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:48,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:48,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:48,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:48,621 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:48,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:48,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-12 02:06:48,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:48,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:48,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:48,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:48,646 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:48,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:48,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:48,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:48,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:48,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:48,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:48,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:48,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-12 02:06:48,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:48,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:48,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:48,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:48,698 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:48,701 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 [2023-11-12 02:06:48,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:48,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:48,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:48,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:48,715 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:48,716 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:48,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-12 02:06:48,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:48,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:48,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:48,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:48,746 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:48,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:48,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:48,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:48,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:48,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:48,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-12 02:06:48,766 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:48,766 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:48,785 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:06:48,800 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-12 02:06:48,800 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-11-12 02:06:48,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:48,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:48,805 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:48,806 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:06:48,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-12 02:06:48,838 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-12 02:06:48,838 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:06:48,838 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) 4)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) 4)_1 Supporting invariants [] [2023-11-12 02:06:48,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:48,860 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2023-11-12 02:06:48,862 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~arr~0!base][4] could not be translated [2023-11-12 02:06:48,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:48,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-12 02:06:48,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:49,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:06:49,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:49,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:49,075 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2023-11-12 02:06:49,075 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10 Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:49,119 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 33 transitions. Complement of second has 6 states. [2023-11-12 02:06:49,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 4 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-12 02:06:49,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:49,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2023-11-12 02:06:49,120 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 20 letters. Loop has 2 letters. [2023-11-12 02:06:49,120 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:49,121 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-12 02:06:49,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:49,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-12 02:06:49,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:49,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:06:49,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:49,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:49,338 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 2 loop predicates [2023-11-12 02:06:49,339 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10 Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:49,380 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 33 transitions. Complement of second has 6 states. [2023-11-12 02:06:49,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 4 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-12 02:06:49,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:49,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2023-11-12 02:06:49,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 20 letters. Loop has 2 letters. [2023-11-12 02:06:49,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:49,382 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-12 02:06:49,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:49,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-12 02:06:49,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:49,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:49,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:06:49,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:49,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:49,639 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2023-11-12 02:06:49,640 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10 Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:49,749 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 50 transitions. Complement of second has 12 states. [2023-11-12 02:06:49,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 5 stem states 2 non-accepting loop states 2 accepting loop states [2023-11-12 02:06:49,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:49,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 38 transitions. [2023-11-12 02:06:49,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 38 transitions. Stem has 20 letters. Loop has 2 letters. [2023-11-12 02:06:49,751 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:49,751 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 38 transitions. Stem has 22 letters. Loop has 2 letters. [2023-11-12 02:06:49,751 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:49,751 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 38 transitions. Stem has 20 letters. Loop has 4 letters. [2023-11-12 02:06:49,751 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:49,751 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 50 transitions. [2023-11-12 02:06:49,752 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:06:49,753 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 35 states and 43 transitions. [2023-11-12 02:06:49,753 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-12 02:06:49,753 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-11-12 02:06:49,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 43 transitions. [2023-11-12 02:06:49,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:06:49,753 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 43 transitions. [2023-11-12 02:06:49,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 43 transitions. [2023-11-12 02:06:49,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 30. [2023-11-12 02:06:49,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 29 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:49,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2023-11-12 02:06:49,756 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 37 transitions. [2023-11-12 02:06:49,756 INFO L428 stractBuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2023-11-12 02:06:49,756 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-12 02:06:49,756 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 37 transitions. [2023-11-12 02:06:49,757 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:06:49,757 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:06:49,757 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:06:49,758 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:49,758 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-12 02:06:49,758 INFO L748 eck$LassoCheckResult]: Stem: 1020#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1012#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 1013#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 1021#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 1014#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 1015#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1016#L521 assume !(main_~val~0#1 < 0); 1009#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1010#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1011#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1017#L521 assume !(main_~val~0#1 < 0); 1025#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1024#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1023#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 1022#L519-4 main_~j~0#1 := 0; 1006#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1007#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1027#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1026#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1008#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1005#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1029#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1000#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1001#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1003#L527-3 [2023-11-12 02:06:49,758 INFO L750 eck$LassoCheckResult]: Loop: 1003#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1002#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 1003#L527-3 [2023-11-12 02:06:49,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:49,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1808436561, now seen corresponding path program 4 times [2023-11-12 02:06:49,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:49,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082759811] [2023-11-12 02:06:49,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:49,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:49,920 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:49,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:49,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082759811] [2023-11-12 02:06:49,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082759811] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:06:49,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293980029] [2023-11-12 02:06:49,921 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-12 02:06:49,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:49,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:49,923 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:49,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2023-11-12 02:06:49,988 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-12 02:06:49,988 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 02:06:49,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:06:49,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:50,087 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:50,087 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:06:50,153 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:50,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293980029] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:06:50,154 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:06:50,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2023-11-12 02:06:50,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049247447] [2023-11-12 02:06:50,154 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:06:50,155 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-12 02:06:50,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:50,156 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 4 times [2023-11-12 02:06:50,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:50,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743355847] [2023-11-12 02:06:50,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:50,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:50,162 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:50,168 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:50,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:50,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-12 02:06:50,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2023-11-12 02:06:50,207 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. cyclomatic complexity: 12 Second operand has 14 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 14 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:50,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:50,335 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2023-11-12 02:06:50,335 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 60 transitions. [2023-11-12 02:06:50,336 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:06:50,336 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 37 states and 46 transitions. [2023-11-12 02:06:50,336 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-12 02:06:50,337 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-12 02:06:50,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 46 transitions. [2023-11-12 02:06:50,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:06:50,337 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 46 transitions. [2023-11-12 02:06:50,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 46 transitions. [2023-11-12 02:06:50,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2023-11-12 02:06:50,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 33 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:50,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2023-11-12 02:06:50,340 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 42 transitions. [2023-11-12 02:06:50,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:06:50,341 INFO L428 stractBuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2023-11-12 02:06:50,342 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-12 02:06:50,342 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 42 transitions. [2023-11-12 02:06:50,342 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:06:50,342 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:06:50,342 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:06:50,343 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:50,344 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-12 02:06:50,344 INFO L748 eck$LassoCheckResult]: Stem: 1262#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1253#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 1254#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 1263#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 1255#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 1256#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1257#L521 assume !(main_~val~0#1 < 0); 1275#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1274#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1258#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1259#L521 assume !(main_~val~0#1 < 0); 1250#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1251#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1252#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1266#L521 assume !(main_~val~0#1 < 0); 1273#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1267#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1265#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 1264#L519-4 main_~j~0#1 := 0; 1248#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1249#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1270#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1242#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1243#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1247#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1271#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1269#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1268#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1245#L527-3 [2023-11-12 02:06:50,344 INFO L750 eck$LassoCheckResult]: Loop: 1245#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1244#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 1245#L527-3 [2023-11-12 02:06:50,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:50,344 INFO L85 PathProgramCache]: Analyzing trace with hash -759828824, now seen corresponding path program 5 times [2023-11-12 02:06:50,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:50,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31496941] [2023-11-12 02:06:50,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:50,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:50,365 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:50,380 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:50,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:50,381 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 5 times [2023-11-12 02:06:50,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:50,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877217122] [2023-11-12 02:06:50,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:50,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:50,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:50,389 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:50,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:50,389 INFO L85 PathProgramCache]: Analyzing trace with hash -51058003, now seen corresponding path program 2 times [2023-11-12 02:06:50,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:50,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068528747] [2023-11-12 02:06:50,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:50,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:50,406 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:50,423 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:51,084 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:06:51,084 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:06:51,084 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:06:51,084 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:06:51,085 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:06:51,085 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:51,085 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:06:51,085 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:06:51,085 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration8_Lasso [2023-11-12 02:06:51,085 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:06:51,085 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:06:51,087 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:51,090 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:51,092 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:51,094 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:51,097 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:51,100 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:51,105 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:51,108 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:51,110 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:51,113 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:51,115 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:51,117 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:51,120 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:51,359 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:51,695 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:06:51,695 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:06:51,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:51,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:51,699 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:51,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-12 02:06:51,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:51,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:51,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:51,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:51,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:51,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:51,726 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:51,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:51,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:51,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2023-11-12 02:06:51,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:51,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:51,733 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:51,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-12 02:06:51,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:51,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:51,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:51,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:51,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:51,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:51,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:51,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:51,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:51,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:51,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:51,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:51,763 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:51,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-12 02:06:51,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:51,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:51,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:51,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:51,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:51,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:51,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:51,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:51,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:51,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2023-11-12 02:06:51,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:51,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:51,788 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:51,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-12 02:06:51,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:51,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:51,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:51,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:51,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:51,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:51,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:51,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:51,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:51,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:51,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:51,833 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:51,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:51,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:51,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:51,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:51,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:51,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:51,856 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:51,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:51,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-12 02:06:51,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:51,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:51,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:51,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:51,878 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:51,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-12 02:06:51,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:51,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:51,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:51,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:51,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:51,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:51,895 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:51,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:51,912 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:51,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:51,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:51,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:51,922 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:51,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:51,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:51,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:51,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:51,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:51,944 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:51,944 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:51,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-12 02:06:51,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:51,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:51,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:51,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:51,970 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:51,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:51,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:51,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:51,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:51,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:51,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-12 02:06:51,988 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:51,988 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:51,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:51,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2023-11-12 02:06:51,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:51,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:51,996 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:51,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-12 02:06:51,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:52,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:52,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:52,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:52,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:52,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:52,010 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:52,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:52,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:52,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:52,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:52,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:52,026 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:52,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:52,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:52,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:52,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:52,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:52,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:52,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:52,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:52,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-12 02:06:52,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:52,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:52,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:52,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:52,065 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:52,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:52,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:52,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:52,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:52,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:52,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:52,083 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:52,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:52,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-12 02:06:52,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:52,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2023-11-12 02:06:52,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:52,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:52,104 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:52,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-12 02:06:52,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:52,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:52,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:52,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:52,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:52,118 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:52,118 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:52,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:52,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2023-11-12 02:06:52,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:52,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:52,125 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:52,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-12 02:06:52,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:52,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:52,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:52,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:52,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:52,144 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:52,144 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:52,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:52,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:52,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:52,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:52,182 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:52,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:52,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:52,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:52,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:52,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:52,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-12 02:06:52,205 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:52,205 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:52,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:52,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:52,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:52,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:52,230 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:52,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:52,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:52,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:52,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:52,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:52,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-12 02:06:52,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:52,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:52,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:52,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:52,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:52,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:52,268 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:52,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:52,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:52,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:52,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:52,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:52,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-12 02:06:52,288 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:52,289 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:52,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:52,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:52,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:52,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:52,312 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:52,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:52,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:52,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:52,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:52,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:52,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-12 02:06:52,339 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:52,339 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:52,356 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:06:52,376 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-12 02:06:52,376 INFO L444 ModelExtractionUtils]: 2 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-11-12 02:06:52,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:52,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:52,380 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:52,382 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:06:52,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-12 02:06:52,406 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-12 02:06:52,407 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:06:52,407 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) 8)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) 8)_1 Supporting invariants [] [2023-11-12 02:06:52,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:52,428 INFO L156 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2023-11-12 02:06:52,431 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~arr~0!base][8] could not be translated [2023-11-12 02:06:52,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:52,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:52,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-12 02:06:52,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:52,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:52,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:06:52,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:52,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:52,721 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2023-11-12 02:06:52,721 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13 Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:52,756 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 44 transitions. Complement of second has 5 states. [2023-11-12 02:06:52,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-12 02:06:52,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:52,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2023-11-12 02:06:52,758 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 28 letters. Loop has 2 letters. [2023-11-12 02:06:52,758 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:52,758 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-12 02:06:52,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:52,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-12 02:06:52,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:52,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:06:52,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:53,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:53,007 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 2 loop predicates [2023-11-12 02:06:53,007 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13 Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:53,040 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 44 transitions. Complement of second has 5 states. [2023-11-12 02:06:53,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-12 02:06:53,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:53,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2023-11-12 02:06:53,042 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 28 letters. Loop has 2 letters. [2023-11-12 02:06:53,042 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:53,042 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-12 02:06:53,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:53,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-12 02:06:53,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:53,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:06:53,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:53,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:53,315 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2023-11-12 02:06:53,315 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13 Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:53,427 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 13. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 63 transitions. Complement of second has 13 states. [2023-11-12 02:06:53,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 5 stem states 2 non-accepting loop states 2 accepting loop states [2023-11-12 02:06:53,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:53,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 39 transitions. [2023-11-12 02:06:53,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 39 transitions. Stem has 28 letters. Loop has 2 letters. [2023-11-12 02:06:53,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:53,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 39 transitions. Stem has 30 letters. Loop has 2 letters. [2023-11-12 02:06:53,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:53,432 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 39 transitions. Stem has 28 letters. Loop has 4 letters. [2023-11-12 02:06:53,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:53,432 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 63 transitions. [2023-11-12 02:06:53,432 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:06:53,433 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 45 states and 56 transitions. [2023-11-12 02:06:53,433 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-12 02:06:53,433 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-11-12 02:06:53,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 56 transitions. [2023-11-12 02:06:53,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:06:53,433 INFO L218 hiAutomatonCegarLoop]: Abstraction has 45 states and 56 transitions. [2023-11-12 02:06:53,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 56 transitions. [2023-11-12 02:06:53,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 39. [2023-11-12 02:06:53,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.2307692307692308) internal successors, (48), 38 states have internal predecessors, (48), 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) [2023-11-12 02:06:53,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 48 transitions. [2023-11-12 02:06:53,436 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 48 transitions. [2023-11-12 02:06:53,436 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 48 transitions. [2023-11-12 02:06:53,436 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-12 02:06:53,439 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 48 transitions. [2023-11-12 02:06:53,440 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:06:53,440 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:06:53,440 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:06:53,441 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:53,441 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-12 02:06:53,442 INFO L748 eck$LassoCheckResult]: Stem: 1783#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1776#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 1777#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 1784#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 1778#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 1779#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1780#L521 assume !(main_~val~0#1 < 0); 1794#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1774#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1775#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1781#L521 assume !(main_~val~0#1 < 0); 1772#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1773#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1790#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 1787#L521 assume !(main_~val~0#1 < 0); 1789#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 1788#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1786#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 1785#L519-4 main_~j~0#1 := 0; 1769#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1770#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1796#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1797#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1771#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1768#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1782#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1763#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1764#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1799#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1795#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 1793#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 1791#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 1766#L527-3 [2023-11-12 02:06:53,442 INFO L750 eck$LassoCheckResult]: Loop: 1766#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 1765#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 1766#L527-3 [2023-11-12 02:06:53,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:53,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1822100739, now seen corresponding path program 6 times [2023-11-12 02:06:53,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:53,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200990899] [2023-11-12 02:06:53,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:53,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:53,617 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:53,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:53,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200990899] [2023-11-12 02:06:53,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200990899] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:06:53,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094568420] [2023-11-12 02:06:53,617 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-12 02:06:53,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:53,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:53,621 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:53,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2023-11-12 02:06:53,712 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2023-11-12 02:06:53,713 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 02:06:53,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-12 02:06:53,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:53,901 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:53,901 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:06:54,012 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:54,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094568420] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:06:54,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:06:54,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 16 [2023-11-12 02:06:54,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981030138] [2023-11-12 02:06:54,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:06:54,014 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-12 02:06:54,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:54,014 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 6 times [2023-11-12 02:06:54,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:54,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288702413] [2023-11-12 02:06:54,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:54,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:54,021 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:54,025 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:54,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:54,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-12 02:06:54,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2023-11-12 02:06:54,065 INFO L87 Difference]: Start difference. First operand 39 states and 48 transitions. cyclomatic complexity: 15 Second operand has 17 states, 16 states have (on average 3.5) internal successors, (56), 17 states have internal predecessors, (56), 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) [2023-11-12 02:06:54,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:54,225 INFO L93 Difference]: Finished difference Result 63 states and 77 transitions. [2023-11-12 02:06:54,226 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 77 transitions. [2023-11-12 02:06:54,226 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:06:54,227 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 46 states and 57 transitions. [2023-11-12 02:06:54,227 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-12 02:06:54,227 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-12 02:06:54,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 57 transitions. [2023-11-12 02:06:54,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:06:54,228 INFO L218 hiAutomatonCegarLoop]: Abstraction has 46 states and 57 transitions. [2023-11-12 02:06:54,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 57 transitions. [2023-11-12 02:06:54,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2023-11-12 02:06:54,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 42 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:54,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 53 transitions. [2023-11-12 02:06:54,232 INFO L240 hiAutomatonCegarLoop]: Abstraction has 43 states and 53 transitions. [2023-11-12 02:06:54,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-12 02:06:54,232 INFO L428 stractBuchiCegarLoop]: Abstraction has 43 states and 53 transitions. [2023-11-12 02:06:54,232 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-12 02:06:54,233 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 53 transitions. [2023-11-12 02:06:54,233 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:06:54,233 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:06:54,233 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:06:54,234 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:54,235 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-12 02:06:54,235 INFO L748 eck$LassoCheckResult]: Stem: 2101#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2093#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 2094#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 2102#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 2095#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 2096#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2097#L521 assume !(main_~val~0#1 < 0); 2123#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2122#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2098#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2099#L521 assume !(main_~val~0#1 < 0); 2090#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2091#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2092#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2121#L521 assume !(main_~val~0#1 < 0); 2120#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2119#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2118#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2105#L521 assume !(main_~val~0#1 < 0); 2117#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2106#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2104#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 2103#L519-4 main_~j~0#1 := 0; 2087#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2088#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2111#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 2112#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 2089#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2086#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2100#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 2081#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 2082#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2115#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2110#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 2109#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 2107#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2084#L527-3 [2023-11-12 02:06:54,235 INFO L750 eck$LassoCheckResult]: Loop: 2084#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2083#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 2084#L527-3 [2023-11-12 02:06:54,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:54,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1774872054, now seen corresponding path program 7 times [2023-11-12 02:06:54,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:54,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309674822] [2023-11-12 02:06:54,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:54,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:54,258 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:54,276 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:54,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:54,277 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 7 times [2023-11-12 02:06:54,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:54,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490954142] [2023-11-12 02:06:54,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:54,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:54,281 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:54,285 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:54,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:54,286 INFO L85 PathProgramCache]: Analyzing trace with hash 550028923, now seen corresponding path program 3 times [2023-11-12 02:06:54,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:54,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299422833] [2023-11-12 02:06:54,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:54,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:54,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:54,306 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:54,326 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:55,175 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:06:55,175 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:06:55,175 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:06:55,175 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:06:55,176 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:06:55,176 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:55,176 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:06:55,176 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:06:55,176 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration10_Lasso [2023-11-12 02:06:55,176 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:06:55,176 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:06:55,193 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:55,199 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:55,202 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:55,205 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:55,207 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:55,210 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:55,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:55,215 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:55,218 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:55,221 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:55,224 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:55,227 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:55,230 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:55,232 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:55,458 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:06:55,755 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:06:55,755 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:06:55,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:55,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:55,756 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:55,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-12 02:06:55,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:55,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:55,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:55,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:55,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:55,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:55,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:55,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:55,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:55,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:55,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:55,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:55,777 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:55,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-12 02:06:55,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:55,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:55,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:55,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:55,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:55,792 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:55,792 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:55,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:55,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2023-11-12 02:06:55,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:55,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:55,800 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:55,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-12 02:06:55,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:55,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:55,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:55,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:55,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:55,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:55,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:55,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:55,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:55,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2023-11-12 02:06:55,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:55,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:55,820 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:55,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-12 02:06:55,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:55,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:55,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:55,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:55,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:55,835 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:55,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:55,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:55,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2023-11-12 02:06:55,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:55,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:55,843 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:55,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-12 02:06:55,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:55,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:55,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:55,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:55,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:55,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:55,858 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:55,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:55,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2023-11-12 02:06:55,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:55,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:55,866 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:55,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-12 02:06:55,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:55,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:55,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:55,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:55,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:55,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:55,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:55,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:55,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:55,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2023-11-12 02:06:55,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:55,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:55,888 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:55,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-12 02:06:55,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:55,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:55,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:55,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:55,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:55,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:55,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:55,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:55,904 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:55,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:55,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:55,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:55,909 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:55,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-12 02:06:55,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:55,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:55,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:55,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:55,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:55,924 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:55,925 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:55,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:55,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2023-11-12 02:06:55,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:55,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:55,933 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:55,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-12 02:06:55,944 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:55,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:55,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:55,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:55,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:55,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:55,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:55,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:55,957 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:55,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2023-11-12 02:06:55,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:55,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:55,961 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:55,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-12 02:06:55,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:55,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:55,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:55,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:55,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:55,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:55,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:55,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:55,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:55,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2023-11-12 02:06:55,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:55,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:55,982 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:55,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-11-12 02:06:55,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:55,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:55,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:55,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:55,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:55,997 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:55,997 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:56,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:56,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:56,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:56,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:56,004 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:56,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-11-12 02:06:56,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:56,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:56,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:56,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:56,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:56,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:56,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:56,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:56,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:56,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2023-11-12 02:06:56,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:56,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:56,022 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:56,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2023-11-12 02:06:56,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:56,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:56,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:06:56,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:56,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:56,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:56,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:06:56,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:06:56,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:56,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2023-11-12 02:06:56,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:56,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:56,040 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:56,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2023-11-12 02:06:56,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:56,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:56,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:56,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:56,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:56,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:56,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:56,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:56,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2023-11-12 02:06:56,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:56,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:56,067 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:56,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2023-11-12 02:06:56,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:56,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:56,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:56,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:56,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:56,083 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:56,083 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:56,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:56,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2023-11-12 02:06:56,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:56,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:56,096 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:56,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2023-11-12 02:06:56,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:56,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:56,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:56,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:56,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:56,111 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:56,111 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:56,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:56,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2023-11-12 02:06:56,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:56,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:56,119 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:56,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2023-11-12 02:06:56,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:56,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:56,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:56,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:56,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:56,133 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:56,133 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:56,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:56,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2023-11-12 02:06:56,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:56,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:56,141 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:56,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2023-11-12 02:06:56,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:56,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:56,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:56,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:56,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:56,155 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:56,155 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:56,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:06:56,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2023-11-12 02:06:56,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:56,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:56,163 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:56,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2023-11-12 02:06:56,166 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:06:56,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:06:56,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:06:56,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:06:56,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:06:56,180 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:06:56,180 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:06:56,209 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:06:56,220 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-12 02:06:56,220 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2023-11-12 02:06:56,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:06:56,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:56,227 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:56,229 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:06:56,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2023-11-12 02:06:56,241 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-12 02:06:56,241 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:06:56,241 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) 12)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) 12)_1 Supporting invariants [] [2023-11-12 02:06:56,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:56,264 INFO L156 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2023-11-12 02:06:56,266 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~arr~0!base][12] could not be translated [2023-11-12 02:06:56,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:56,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-12 02:06:56,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:56,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:06:56,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:56,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:56,600 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2023-11-12 02:06:56,600 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16 Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:56,641 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 55 transitions. Complement of second has 5 states. [2023-11-12 02:06:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-12 02:06:56,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:56,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2023-11-12 02:06:56,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 36 letters. Loop has 2 letters. [2023-11-12 02:06:56,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:56,643 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-12 02:06:56,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:56,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-12 02:06:56,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:56,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:56,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:06:56,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:57,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:57,022 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 2 loop predicates [2023-11-12 02:06:57,022 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16 Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:57,072 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 55 transitions. Complement of second has 5 states. [2023-11-12 02:06:57,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-12 02:06:57,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:57,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2023-11-12 02:06:57,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 36 letters. Loop has 2 letters. [2023-11-12 02:06:57,077 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:57,077 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-12 02:06:57,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:57,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-12 02:06:57,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:57,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:06:57,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:57,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:57,380 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2023-11-12 02:06:57,380 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16 Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:57,544 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 53 transitions. cyclomatic complexity: 16. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 76 transitions. Complement of second has 15 states. [2023-11-12 02:06:57,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2023-11-12 02:06:57,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:57,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 45 transitions. [2023-11-12 02:06:57,546 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 45 transitions. Stem has 36 letters. Loop has 2 letters. [2023-11-12 02:06:57,546 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:57,546 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 45 transitions. Stem has 38 letters. Loop has 2 letters. [2023-11-12 02:06:57,546 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:57,547 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 45 transitions. Stem has 36 letters. Loop has 4 letters. [2023-11-12 02:06:57,547 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:06:57,547 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 76 transitions. [2023-11-12 02:06:57,548 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:06:57,549 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 55 states and 69 transitions. [2023-11-12 02:06:57,549 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-12 02:06:57,549 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-11-12 02:06:57,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 69 transitions. [2023-11-12 02:06:57,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:06:57,549 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 69 transitions. [2023-11-12 02:06:57,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 69 transitions. [2023-11-12 02:06:57,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 48. [2023-11-12 02:06:57,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 47 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:06:57,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2023-11-12 02:06:57,553 INFO L240 hiAutomatonCegarLoop]: Abstraction has 48 states and 59 transitions. [2023-11-12 02:06:57,553 INFO L428 stractBuchiCegarLoop]: Abstraction has 48 states and 59 transitions. [2023-11-12 02:06:57,554 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-12 02:06:57,554 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 59 transitions. [2023-11-12 02:06:57,554 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:06:57,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:06:57,554 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:06:57,555 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:57,555 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-12 02:06:57,556 INFO L748 eck$LassoCheckResult]: Stem: 2741#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2733#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 2734#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 2742#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 2735#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 2736#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2737#L521 assume !(main_~val~0#1 < 0); 2729#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2730#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2738#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2739#L521 assume !(main_~val~0#1 < 0); 2755#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2731#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2732#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2751#L521 assume !(main_~val~0#1 < 0); 2750#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2749#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2748#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 2745#L521 assume !(main_~val~0#1 < 0); 2747#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 2746#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2744#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 2743#L519-4 main_~j~0#1 := 0; 2727#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2726#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2740#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 2721#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 2722#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2728#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2767#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 2766#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 2765#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2763#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2762#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 2761#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 2760#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2759#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2756#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 2754#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 2752#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 2724#L527-3 [2023-11-12 02:06:57,556 INFO L750 eck$LassoCheckResult]: Loop: 2724#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 2723#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 2724#L527-3 [2023-11-12 02:06:57,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:57,557 INFO L85 PathProgramCache]: Analyzing trace with hash 296817483, now seen corresponding path program 8 times [2023-11-12 02:06:57,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:57,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141489264] [2023-11-12 02:06:57,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:57,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:57,784 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 15 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:57,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:57,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141489264] [2023-11-12 02:06:57,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141489264] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:06:57,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433322520] [2023-11-12 02:06:57,785 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-12 02:06:57,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:57,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:57,789 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:57,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Waiting until timeout for monitored process [2023-11-12 02:06:57,874 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-12 02:06:57,874 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 02:06:57,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-12 02:06:57,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:58,082 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 28 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:58,083 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:06:58,217 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 28 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:58,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433322520] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:06:58,217 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:06:58,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 19 [2023-11-12 02:06:58,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007811005] [2023-11-12 02:06:58,218 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:06:58,219 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-12 02:06:58,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:58,219 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 8 times [2023-11-12 02:06:58,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:58,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7502034] [2023-11-12 02:06:58,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:58,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:58,226 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:58,236 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:58,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:58,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-12 02:06:58,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2023-11-12 02:06:58,305 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. cyclomatic complexity: 18 Second operand has 20 states, 19 states have (on average 3.5789473684210527) internal successors, (68), 20 states have internal predecessors, (68), 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) [2023-11-12 02:06:58,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:58,481 INFO L93 Difference]: Finished difference Result 77 states and 94 transitions. [2023-11-12 02:06:58,482 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 94 transitions. [2023-11-12 02:06:58,482 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:06:58,483 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 55 states and 68 transitions. [2023-11-12 02:06:58,483 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-12 02:06:58,483 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-12 02:06:58,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 68 transitions. [2023-11-12 02:06:58,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:06:58,484 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 68 transitions. [2023-11-12 02:06:58,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 68 transitions. [2023-11-12 02:06:58,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 52. [2023-11-12 02:06:58,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.2307692307692308) internal successors, (64), 51 states have internal predecessors, (64), 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) [2023-11-12 02:06:58,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 64 transitions. [2023-11-12 02:06:58,497 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52 states and 64 transitions. [2023-11-12 02:06:58,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-12 02:06:58,497 INFO L428 stractBuchiCegarLoop]: Abstraction has 52 states and 64 transitions. [2023-11-12 02:06:58,497 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2023-11-12 02:06:58,498 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 64 transitions. [2023-11-12 02:06:58,498 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:06:58,498 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:06:58,498 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:06:58,502 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:58,502 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-12 02:06:58,502 INFO L748 eck$LassoCheckResult]: Stem: 3134#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3126#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 3127#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 3135#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 3128#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 3129#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3130#L521 assume !(main_~val~0#1 < 0); 3166#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3165#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3131#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3132#L521 assume !(main_~val~0#1 < 0); 3123#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3124#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3125#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3164#L521 assume !(main_~val~0#1 < 0); 3163#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3162#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3161#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3160#L521 assume !(main_~val~0#1 < 0); 3159#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3157#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3155#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3138#L521 assume !(main_~val~0#1 < 0); 3144#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3139#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3137#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 3136#L519-4 main_~j~0#1 := 0; 3120#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3121#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3119#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3115#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3116#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3122#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3156#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3154#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3153#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3151#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3150#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3149#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3148#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3147#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3143#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3142#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3140#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3118#L527-3 [2023-11-12 02:06:58,503 INFO L750 eck$LassoCheckResult]: Loop: 3118#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3117#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 3118#L527-3 [2023-11-12 02:06:58,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:58,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1662287172, now seen corresponding path program 9 times [2023-11-12 02:06:58,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:58,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534266891] [2023-11-12 02:06:58,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:58,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:58,572 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:58,617 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:58,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:58,618 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 9 times [2023-11-12 02:06:58,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:58,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16608966] [2023-11-12 02:06:58,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:58,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:58,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:58,626 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:06:58,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:58,627 INFO L85 PathProgramCache]: Analyzing trace with hash -269860279, now seen corresponding path program 4 times [2023-11-12 02:06:58,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:58,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105615581] [2023-11-12 02:06:58,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:58,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:58,653 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:06:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:06:58,677 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:07:00,101 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:07:00,101 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:07:00,101 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:07:00,101 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:07:00,101 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:07:00,101 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:00,101 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:07:00,101 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:07:00,101 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration12_Lasso [2023-11-12 02:07:00,102 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:07:00,102 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:07:00,104 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:00,110 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:00,112 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:00,114 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:00,116 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:00,118 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:00,121 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:00,122 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:00,125 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:00,127 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:00,129 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:00,448 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:00,450 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:00,452 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:00,767 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:07:00,767 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:07:00,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:00,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:00,773 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:00,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2023-11-12 02:07:00,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:00,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:00,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:07:00,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:00,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:00,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:00,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:07:00,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:07:00,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:00,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2023-11-12 02:07:00,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:00,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:00,792 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:00,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2023-11-12 02:07:00,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:00,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:00,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:07:00,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:00,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:00,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:00,804 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:07:00,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:07:00,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:00,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2023-11-12 02:07:00,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:00,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:00,809 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:00,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2023-11-12 02:07:00,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:00,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:00,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:07:00,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:00,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:00,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:00,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:07:00,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:07:00,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:00,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:00,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:00,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:00,851 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:00,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:00,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2023-11-12 02:07:00,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:00,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:00,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:00,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:00,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:00,868 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:00,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:00,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:00,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:00,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:00,875 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:00,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2023-11-12 02:07:00,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:00,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:00,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:07:00,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:00,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:00,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:00,888 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:07:00,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:07:00,889 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:00,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:00,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:00,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:00,893 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:00,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2023-11-12 02:07:00,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:00,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:00,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:00,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:00,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:00,906 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:00,906 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:00,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:00,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2023-11-12 02:07:00,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:00,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:00,914 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:00,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2023-11-12 02:07:00,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:00,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:00,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:07:00,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:00,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:00,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:00,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:07:00,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:07:00,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:00,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:00,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:00,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:00,932 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:00,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2023-11-12 02:07:00,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:00,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:00,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:00,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:00,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:00,946 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:00,946 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:00,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:00,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2023-11-12 02:07:00,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:00,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:00,954 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:00,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2023-11-12 02:07:00,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:00,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:00,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:07:00,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:00,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:00,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:00,968 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:07:00,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:07:00,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:00,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2023-11-12 02:07:00,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:00,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:00,973 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:00,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2023-11-12 02:07:00,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:00,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:00,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:00,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:00,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:00,986 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:00,986 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:00,990 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:00,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2023-11-12 02:07:00,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:00,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:00,994 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:00,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2023-11-12 02:07:00,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:01,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:01,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:01,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:01,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:01,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:01,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:01,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:01,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:01,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:01,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:01,019 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:01,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2023-11-12 02:07:01,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:01,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:01,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:01,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:01,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:01,033 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:01,033 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:01,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:01,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:01,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:01,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:01,041 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:01,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:01,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2023-11-12 02:07:01,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:01,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:01,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:01,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:01,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:01,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:01,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:01,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:01,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:01,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:01,089 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:01,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2023-11-12 02:07:01,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:01,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:01,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:01,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:01,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:01,108 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:01,108 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:01,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:01,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:01,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:01,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:01,142 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:01,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2023-11-12 02:07:01,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:01,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:01,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:01,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:01,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:01,160 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:01,160 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:01,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:01,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2023-11-12 02:07:01,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:01,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:01,174 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:01,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2023-11-12 02:07:01,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:01,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:01,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:01,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:01,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:01,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:01,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:01,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:01,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:01,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:01,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:01,196 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:01,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2023-11-12 02:07:01,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:01,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:01,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:01,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:01,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:01,213 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:01,213 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:01,222 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:07:01,244 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-11-12 02:07:01,244 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-11-12 02:07:01,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:01,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:01,245 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:01,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2023-11-12 02:07:01,248 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:07:01,258 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-12 02:07:01,259 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:07:01,259 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 16 ULTIMATE.start_main_~arr~0#1.offset))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ 16 ULTIMATE.start_main_~arr~0#1.offset))_1 Supporting invariants [] [2023-11-12 02:07:01,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:01,284 INFO L156 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2023-11-12 02:07:01,286 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~arr~0!base][16 + ~arr~0!offset] could not be translated [2023-11-12 02:07:01,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:01,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-12 02:07:01,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:01,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:07:01,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:01,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:07:01,532 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2023-11-12 02:07:01,532 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19 Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 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) [2023-11-12 02:07:01,559 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 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) Result 53 states and 66 transitions. Complement of second has 4 states. [2023-11-12 02:07:01,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-12 02:07:01,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 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) [2023-11-12 02:07:01,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2023-11-12 02:07:01,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 44 letters. Loop has 2 letters. [2023-11-12 02:07:01,561 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:07:01,561 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-12 02:07:01,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:01,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-12 02:07:01,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:01,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:07:01,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:01,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:07:01,824 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 2 loop predicates [2023-11-12 02:07:01,825 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19 Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 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) [2023-11-12 02:07:01,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:01,857 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 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) Result 53 states and 66 transitions. Complement of second has 4 states. [2023-11-12 02:07:01,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-12 02:07:01,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 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) [2023-11-12 02:07:01,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2023-11-12 02:07:01,859 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 44 letters. Loop has 2 letters. [2023-11-12 02:07:01,859 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:07:01,859 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-12 02:07:01,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:01,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-12 02:07:01,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:02,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:07:02,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:02,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:07:02,099 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2023-11-12 02:07:02,100 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19 Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 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) [2023-11-12 02:07:02,255 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 64 transitions. cyclomatic complexity: 19. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 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) Result 70 states and 89 transitions. Complement of second has 16 states. [2023-11-12 02:07:02,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2023-11-12 02:07:02,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 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) [2023-11-12 02:07:02,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 51 transitions. [2023-11-12 02:07:02,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 44 letters. Loop has 2 letters. [2023-11-12 02:07:02,258 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:07:02,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 46 letters. Loop has 2 letters. [2023-11-12 02:07:02,258 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:07:02,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 51 transitions. Stem has 44 letters. Loop has 4 letters. [2023-11-12 02:07:02,258 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:07:02,259 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 89 transitions. [2023-11-12 02:07:02,259 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:07:02,260 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 65 states and 82 transitions. [2023-11-12 02:07:02,260 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-12 02:07:02,260 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-11-12 02:07:02,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 82 transitions. [2023-11-12 02:07:02,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:07:02,261 INFO L218 hiAutomatonCegarLoop]: Abstraction has 65 states and 82 transitions. [2023-11-12 02:07:02,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 82 transitions. [2023-11-12 02:07:02,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 57. [2023-11-12 02:07:02,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 57 states have (on average 1.2280701754385965) internal successors, (70), 56 states have internal predecessors, (70), 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) [2023-11-12 02:07:02,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 70 transitions. [2023-11-12 02:07:02,264 INFO L240 hiAutomatonCegarLoop]: Abstraction has 57 states and 70 transitions. [2023-11-12 02:07:02,264 INFO L428 stractBuchiCegarLoop]: Abstraction has 57 states and 70 transitions. [2023-11-12 02:07:02,264 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2023-11-12 02:07:02,264 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states and 70 transitions. [2023-11-12 02:07:02,264 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:07:02,264 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:07:02,264 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:07:02,270 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:07:02,272 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-12 02:07:02,274 INFO L748 eck$LassoCheckResult]: Stem: 3883#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3875#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 3876#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 3884#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 3877#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 3878#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3879#L521 assume !(main_~val~0#1 < 0); 3871#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3872#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3880#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3881#L521 assume !(main_~val~0#1 < 0); 3901#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3873#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3874#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3897#L521 assume !(main_~val~0#1 < 0); 3896#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3895#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3894#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3893#L521 assume !(main_~val~0#1 < 0); 3892#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3891#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3890#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 3887#L521 assume !(main_~val~0#1 < 0); 3889#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 3888#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 3886#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 3885#L519-4 main_~j~0#1 := 0; 3868#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3869#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3917#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3916#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3870#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3867#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3882#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3862#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3863#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3914#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3913#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3912#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3911#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3909#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3908#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3907#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3906#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3905#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3902#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 3900#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3898#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 3865#L527-3 [2023-11-12 02:07:02,274 INFO L750 eck$LassoCheckResult]: Loop: 3865#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 3864#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 3865#L527-3 [2023-11-12 02:07:02,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:02,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1637690471, now seen corresponding path program 10 times [2023-11-12 02:07:02,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:02,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560451024] [2023-11-12 02:07:02,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:02,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:02,579 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 28 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:07:02,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:07:02,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560451024] [2023-11-12 02:07:02,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560451024] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:07:02,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239668309] [2023-11-12 02:07:02,579 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-12 02:07:02,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:07:02,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:02,581 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:07:02,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (96)] Waiting until timeout for monitored process [2023-11-12 02:07:02,667 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-12 02:07:02,667 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 02:07:02,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-12 02:07:02,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:02,902 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 45 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:07:02,902 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:07:03,063 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 45 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:07:03,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239668309] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:07:03,063 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:07:03,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 22 [2023-11-12 02:07:03,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104103054] [2023-11-12 02:07:03,063 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:07:03,064 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-12 02:07:03,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:03,064 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 10 times [2023-11-12 02:07:03,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:03,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115364344] [2023-11-12 02:07:03,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:03,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:03,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:07:03,069 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:07:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:07:03,072 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:07:03,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:07:03,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-12 02:07:03,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2023-11-12 02:07:03,118 INFO L87 Difference]: Start difference. First operand 57 states and 70 transitions. cyclomatic complexity: 21 Second operand has 23 states, 22 states have (on average 3.6363636363636362) internal successors, (80), 23 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:03,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:07:03,436 INFO L93 Difference]: Finished difference Result 91 states and 111 transitions. [2023-11-12 02:07:03,436 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 91 states and 111 transitions. [2023-11-12 02:07:03,437 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:07:03,438 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 91 states to 64 states and 79 transitions. [2023-11-12 02:07:03,438 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-12 02:07:03,438 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-12 02:07:03,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 64 states and 79 transitions. [2023-11-12 02:07:03,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:07:03,439 INFO L218 hiAutomatonCegarLoop]: Abstraction has 64 states and 79 transitions. [2023-11-12 02:07:03,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states and 79 transitions. [2023-11-12 02:07:03,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 61. [2023-11-12 02:07:03,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.2295081967213115) internal successors, (75), 60 states have internal predecessors, (75), 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) [2023-11-12 02:07:03,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 75 transitions. [2023-11-12 02:07:03,443 INFO L240 hiAutomatonCegarLoop]: Abstraction has 61 states and 75 transitions. [2023-11-12 02:07:03,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-12 02:07:03,443 INFO L428 stractBuchiCegarLoop]: Abstraction has 61 states and 75 transitions. [2023-11-12 02:07:03,444 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2023-11-12 02:07:03,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states and 75 transitions. [2023-11-12 02:07:03,444 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:07:03,444 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:07:03,445 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:07:03,445 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 6, 6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:07:03,445 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-12 02:07:03,448 INFO L748 eck$LassoCheckResult]: Stem: 4351#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 4344#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 4345#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 4352#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 4346#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 4347#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4348#L521 assume !(main_~val~0#1 < 0); 4341#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4342#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4343#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4349#L521 assume !(main_~val~0#1 < 0); 4392#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4391#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4390#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4389#L521 assume !(main_~val~0#1 < 0); 4388#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4387#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4386#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4385#L521 assume !(main_~val~0#1 < 0); 4384#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4383#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4382#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4381#L521 assume !(main_~val~0#1 < 0); 4380#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4379#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4378#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 4355#L521 assume !(main_~val~0#1 < 0); 4361#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 4356#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 4354#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 4353#L519-4 main_~j~0#1 := 0; 4338#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 4339#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4376#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 4375#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 4340#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 4337#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4350#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 4332#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 4333#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 4373#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4372#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 4371#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 4370#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 4368#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4367#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 4366#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 4365#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 4364#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4360#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 4359#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 4357#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 4335#L527-3 [2023-11-12 02:07:03,448 INFO L750 eck$LassoCheckResult]: Loop: 4335#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 4334#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 4335#L527-3 [2023-11-12 02:07:03,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:03,449 INFO L85 PathProgramCache]: Analyzing trace with hash 618476690, now seen corresponding path program 11 times [2023-11-12 02:07:03,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:03,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204556789] [2023-11-12 02:07:03,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:03,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:07:03,476 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:07:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:07:03,534 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:07:03,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:03,536 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 11 times [2023-11-12 02:07:03,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:03,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56194530] [2023-11-12 02:07:03,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:03,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:07:03,542 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:07:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:07:03,548 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:07:03,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:03,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1650613783, now seen corresponding path program 5 times [2023-11-12 02:07:03,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:03,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123609154] [2023-11-12 02:07:03,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:03,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:07:03,581 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:07:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:07:03,611 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:07:06,626 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:07:06,626 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:07:06,626 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:07:06,626 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:07:06,626 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:07:06,627 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:06,627 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:07:06,627 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:07:06,627 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration14_Lasso [2023-11-12 02:07:06,627 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:07:06,627 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:07:06,630 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:06,633 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:06,636 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:06,638 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:06,641 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:06,644 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:06,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:06,649 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:06,652 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:06,654 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:06,656 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:07,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:07,502 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:07,504 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:07,506 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:07,887 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:07:07,887 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:07:07,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:07,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:07,888 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:07,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2023-11-12 02:07:07,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:07,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:07,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:07,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:07,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:07,903 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:07,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:07,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:07,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:07,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:07,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:07,910 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:07,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2023-11-12 02:07:07,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:07,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:07,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:07:07,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:07,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:07,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:07,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:07:07,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:07:07,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:07,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2023-11-12 02:07:07,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:07,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:07,930 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:07,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2023-11-12 02:07:07,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:07,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:07,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:07:07,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:07,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:07,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:07,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:07:07,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:07:07,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:07,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2023-11-12 02:07:07,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:07,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:07,954 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:07,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2023-11-12 02:07:07,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:07,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:07,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:07,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:07,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:07,967 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:07,967 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:07,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:07,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:07,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:07,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:07,974 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:07,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2023-11-12 02:07:07,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:07,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:07,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:07,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:07,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:07,988 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:07,988 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:07,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:07,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:07,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:07,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:07,995 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:07,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2023-11-12 02:07:07,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:08,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:08,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:07:08,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:08,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:08,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:08,009 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:07:08,009 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:07:08,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:08,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2023-11-12 02:07:08,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:08,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:08,014 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:08,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2023-11-12 02:07:08,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:08,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:08,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:08,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:08,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:08,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:08,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:08,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:08,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2023-11-12 02:07:08,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:08,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:08,038 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:08,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2023-11-12 02:07:08,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:08,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:08,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:07:08,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:08,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:08,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:08,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:07:08,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:07:08,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:08,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2023-11-12 02:07:08,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:08,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:08,057 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:08,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2023-11-12 02:07:08,059 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:08,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:08,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:07:08,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:08,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:08,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:08,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:07:08,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:07:08,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:08,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:08,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:08,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:08,075 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:08,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2023-11-12 02:07:08,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:08,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:08,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:07:08,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:08,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:08,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:08,088 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:07:08,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:07:08,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:08,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2023-11-12 02:07:08,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:08,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:08,093 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:08,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2023-11-12 02:07:08,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:08,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:08,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:08,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:08,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:08,108 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:08,108 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:08,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:08,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:08,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:08,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:08,118 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:08,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2023-11-12 02:07:08,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:08,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:08,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:08,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:08,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:08,133 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:08,133 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:08,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:08,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:08,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:08,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:08,143 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:08,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2023-11-12 02:07:08,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:08,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:08,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:08,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:08,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:08,159 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:08,159 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:08,167 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:07:08,183 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-11-12 02:07:08,183 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2023-11-12 02:07:08,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:08,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:08,186 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:08,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2023-11-12 02:07:08,188 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:07:08,198 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-12 02:07:08,199 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:07:08,199 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 20))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 20))_1 Supporting invariants [] [2023-11-12 02:07:08,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:08,248 INFO L156 tatePredicateManager]: 14 out of 15 supporting invariants were superfluous and have been removed [2023-11-12 02:07:08,250 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~arr~0!base][~arr~0!offset + 20] could not be translated [2023-11-12 02:07:08,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:08,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-12 02:07:08,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:08,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:07:08,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:08,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:07:08,516 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2023-11-12 02:07:08,516 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22 Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 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) [2023-11-12 02:07:08,544 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 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 62 states and 77 transitions. Complement of second has 4 states. [2023-11-12 02:07:08,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-12 02:07:08,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 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) [2023-11-12 02:07:08,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2023-11-12 02:07:08,545 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 52 letters. Loop has 2 letters. [2023-11-12 02:07:08,545 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:07:08,545 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-12 02:07:08,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:08,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:08,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-12 02:07:08,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:08,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:07:08,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:08,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:07:08,810 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.7 stem predicates 2 loop predicates [2023-11-12 02:07:08,810 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22 Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 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) [2023-11-12 02:07:08,835 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 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 62 states and 77 transitions. Complement of second has 4 states. [2023-11-12 02:07:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-12 02:07:08,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 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) [2023-11-12 02:07:08,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2023-11-12 02:07:08,836 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 52 letters. Loop has 2 letters. [2023-11-12 02:07:08,836 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:07:08,836 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-12 02:07:08,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:08,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-12 02:07:08,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:09,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:07:09,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:09,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:07:09,096 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2023-11-12 02:07:09,096 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22 Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 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) [2023-11-12 02:07:09,262 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 75 transitions. cyclomatic complexity: 22. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 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 80 states and 102 transitions. Complement of second has 18 states. [2023-11-12 02:07:09,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 7 stem states 2 non-accepting loop states 2 accepting loop states [2023-11-12 02:07:09,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 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) [2023-11-12 02:07:09,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 57 transitions. [2023-11-12 02:07:09,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 57 transitions. Stem has 52 letters. Loop has 2 letters. [2023-11-12 02:07:09,264 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:07:09,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 57 transitions. Stem has 54 letters. Loop has 2 letters. [2023-11-12 02:07:09,264 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:07:09,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 57 transitions. Stem has 52 letters. Loop has 4 letters. [2023-11-12 02:07:09,264 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:07:09,264 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 102 transitions. [2023-11-12 02:07:09,265 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:07:09,266 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 75 states and 95 transitions. [2023-11-12 02:07:09,266 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-12 02:07:09,266 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-11-12 02:07:09,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 75 states and 95 transitions. [2023-11-12 02:07:09,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:07:09,267 INFO L218 hiAutomatonCegarLoop]: Abstraction has 75 states and 95 transitions. [2023-11-12 02:07:09,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states and 95 transitions. [2023-11-12 02:07:09,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 66. [2023-11-12 02:07:09,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 66 states have (on average 1.2272727272727273) internal successors, (81), 65 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:09,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 81 transitions. [2023-11-12 02:07:09,271 INFO L240 hiAutomatonCegarLoop]: Abstraction has 66 states and 81 transitions. [2023-11-12 02:07:09,271 INFO L428 stractBuchiCegarLoop]: Abstraction has 66 states and 81 transitions. [2023-11-12 02:07:09,271 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2023-11-12 02:07:09,271 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states and 81 transitions. [2023-11-12 02:07:09,272 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:07:09,272 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:07:09,272 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:07:09,273 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:07:09,273 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-12 02:07:09,273 INFO L748 eck$LassoCheckResult]: Stem: 5239#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5231#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 5232#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 5240#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 5233#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 5234#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5235#L521 assume !(main_~val~0#1 < 0); 5227#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5228#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5236#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5237#L521 assume !(main_~val~0#1 < 0); 5261#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5229#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5230#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5257#L521 assume !(main_~val~0#1 < 0); 5256#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5255#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5254#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5253#L521 assume !(main_~val~0#1 < 0); 5252#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5251#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5250#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5249#L521 assume !(main_~val~0#1 < 0); 5248#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5247#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5246#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5243#L521 assume !(main_~val~0#1 < 0); 5245#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5244#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5242#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 5241#L519-4 main_~j~0#1 := 0; 5224#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5225#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5282#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5281#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5226#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5223#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5238#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5218#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5219#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5279#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5278#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5277#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5276#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5274#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5273#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5272#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5271#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5269#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5268#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5267#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5266#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5265#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5262#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5260#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5258#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5221#L527-3 [2023-11-12 02:07:09,274 INFO L750 eck$LassoCheckResult]: Loop: 5221#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5220#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 5221#L527-3 [2023-11-12 02:07:09,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:09,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1396913127, now seen corresponding path program 12 times [2023-11-12 02:07:09,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:09,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668361547] [2023-11-12 02:07:09,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:09,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:09,558 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 45 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:07:09,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:07:09,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668361547] [2023-11-12 02:07:09,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668361547] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:07:09,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820478554] [2023-11-12 02:07:09,559 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-12 02:07:09,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:07:09,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:09,561 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:07:09,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (111)] Waiting until timeout for monitored process [2023-11-12 02:07:09,723 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2023-11-12 02:07:09,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 02:07:09,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-12 02:07:09,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:09,994 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 66 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:07:09,994 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:07:10,225 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 66 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:07:10,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820478554] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:07:10,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:07:10,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 25 [2023-11-12 02:07:10,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737895246] [2023-11-12 02:07:10,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:07:10,227 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-12 02:07:10,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:10,227 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 12 times [2023-11-12 02:07:10,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:10,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991563622] [2023-11-12 02:07:10,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:10,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:07:10,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:07:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:07:10,235 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:07:10,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:07:10,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-12 02:07:10,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2023-11-12 02:07:10,275 INFO L87 Difference]: Start difference. First operand 66 states and 81 transitions. cyclomatic complexity: 24 Second operand has 26 states, 25 states have (on average 3.68) internal successors, (92), 26 states have internal predecessors, (92), 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) [2023-11-12 02:07:10,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:07:10,565 INFO L93 Difference]: Finished difference Result 105 states and 128 transitions. [2023-11-12 02:07:10,565 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 105 states and 128 transitions. [2023-11-12 02:07:10,566 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:07:10,567 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 105 states to 73 states and 90 transitions. [2023-11-12 02:07:10,567 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-12 02:07:10,567 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-12 02:07:10,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 73 states and 90 transitions. [2023-11-12 02:07:10,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:07:10,567 INFO L218 hiAutomatonCegarLoop]: Abstraction has 73 states and 90 transitions. [2023-11-12 02:07:10,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states and 90 transitions. [2023-11-12 02:07:10,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 70. [2023-11-12 02:07:10,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 70 states have (on average 1.2285714285714286) internal successors, (86), 69 states have internal predecessors, (86), 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) [2023-11-12 02:07:10,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 86 transitions. [2023-11-12 02:07:10,571 INFO L240 hiAutomatonCegarLoop]: Abstraction has 70 states and 86 transitions. [2023-11-12 02:07:10,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-12 02:07:10,572 INFO L428 stractBuchiCegarLoop]: Abstraction has 70 states and 86 transitions. [2023-11-12 02:07:10,572 INFO L335 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2023-11-12 02:07:10,572 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states and 86 transitions. [2023-11-12 02:07:10,573 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:07:10,573 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:07:10,573 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:07:10,574 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 7, 7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:07:10,574 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-12 02:07:10,574 INFO L748 eck$LassoCheckResult]: Stem: 5783#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5776#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 5777#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 5784#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 5778#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 5779#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5780#L521 assume !(main_~val~0#1 < 0); 5773#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5774#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5775#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5781#L521 assume !(main_~val~0#1 < 0); 5833#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5832#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5831#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5830#L521 assume !(main_~val~0#1 < 0); 5829#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5828#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5827#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5826#L521 assume !(main_~val~0#1 < 0); 5825#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5824#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5823#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5822#L521 assume !(main_~val~0#1 < 0); 5821#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5820#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5819#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5818#L521 assume !(main_~val~0#1 < 0); 5817#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5816#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5815#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 5787#L521 assume !(main_~val~0#1 < 0); 5793#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 5788#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 5786#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 5785#L519-4 main_~j~0#1 := 0; 5770#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5771#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5813#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5812#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5772#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5769#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5782#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5764#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5765#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5810#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5809#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5808#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5807#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5805#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5804#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5803#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5802#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5800#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5799#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5798#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5797#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5796#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5792#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 5791#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5789#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 5767#L527-3 [2023-11-12 02:07:10,574 INFO L750 eck$LassoCheckResult]: Loop: 5767#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 5766#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 5767#L527-3 [2023-11-12 02:07:10,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:10,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1611822112, now seen corresponding path program 13 times [2023-11-12 02:07:10,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:10,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110624376] [2023-11-12 02:07:10,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:10,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:07:10,602 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:07:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:07:10,630 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:07:10,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:10,630 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 13 times [2023-11-12 02:07:10,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:10,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25812002] [2023-11-12 02:07:10,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:10,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:07:10,635 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:07:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:07:10,638 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:07:10,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:10,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1522145765, now seen corresponding path program 6 times [2023-11-12 02:07:10,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:10,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374555415] [2023-11-12 02:07:10,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:10,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:07:10,670 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:07:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:07:10,697 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:07:16,504 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:07:16,504 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:07:16,504 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:07:16,504 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:07:16,504 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:07:16,504 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:16,504 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:07:16,504 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:07:16,504 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration16_Lasso [2023-11-12 02:07:16,504 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:07:16,505 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:07:16,507 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:16,509 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:16,511 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:16,513 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:16,516 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:16,518 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:16,521 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:16,523 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:16,525 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:16,528 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:18,581 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:18,584 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:18,595 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:19,093 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:07:19,093 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:07:19,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:19,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:19,094 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:19,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2023-11-12 02:07:19,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:19,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:19,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:07:19,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:19,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:19,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:19,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:07:19,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:07:19,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:19,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:19,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:19,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:19,114 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:19,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2023-11-12 02:07:19,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:19,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:19,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:07:19,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:19,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:19,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:19,127 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:07:19,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:07:19,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:19,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:19,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:19,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:19,132 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:19,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2023-11-12 02:07:19,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:19,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:19,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:07:19,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:19,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:19,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:19,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:07:19,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:07:19,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:19,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:19,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:19,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:19,151 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:19,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2023-11-12 02:07:19,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:19,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:19,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:19,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:19,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:19,168 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:19,168 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:19,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:19,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:19,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:19,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:19,176 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:19,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2023-11-12 02:07:19,178 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:19,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:19,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:07:19,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:19,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:19,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:19,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:07:19,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:07:19,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:19,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:19,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:19,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:19,195 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:19,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2023-11-12 02:07:19,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:19,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:19,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:19,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:19,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:19,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:19,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:19,213 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:19,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2023-11-12 02:07:19,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:19,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:19,217 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:19,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2023-11-12 02:07:19,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:19,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:19,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:07:19,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:19,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:19,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:19,230 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:07:19,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:07:19,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:19,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2023-11-12 02:07:19,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:19,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:19,238 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:19,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2023-11-12 02:07:19,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:19,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:19,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:19,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:19,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:19,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:19,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:19,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:19,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2023-11-12 02:07:19,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:19,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:19,259 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:19,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2023-11-12 02:07:19,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:19,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:19,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:07:19,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:19,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:19,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:19,272 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:07:19,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:07:19,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:19,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:19,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:19,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:19,277 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:19,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2023-11-12 02:07:19,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:19,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:19,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:19,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:19,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:19,293 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:19,293 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:19,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:19,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2023-11-12 02:07:19,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:19,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:19,304 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:19,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2023-11-12 02:07:19,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:19,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:19,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:19,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:19,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:19,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:19,320 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:19,330 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:07:19,338 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-12 02:07:19,338 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-11-12 02:07:19,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:19,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:19,341 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:19,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2023-11-12 02:07:19,342 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:07:19,353 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-12 02:07:19,353 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:07:19,353 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 24))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset 24))_1 Supporting invariants [] [2023-11-12 02:07:19,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:19,456 INFO L156 tatePredicateManager]: 16 out of 17 supporting invariants were superfluous and have been removed [2023-11-12 02:07:19,458 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~arr~0!base][~arr~0!offset + 24] could not be translated [2023-11-12 02:07:19,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:19,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-12 02:07:19,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:19,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:07:19,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:19,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:07:19,777 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2023-11-12 02:07:19,777 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25 Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:19,814 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 71 states and 88 transitions. Complement of second has 4 states. [2023-11-12 02:07:19,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-12 02:07:19,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:19,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2023-11-12 02:07:19,818 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 60 letters. Loop has 2 letters. [2023-11-12 02:07:19,818 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:07:19,818 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-12 02:07:19,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:19,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:19,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-12 02:07:19,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:07:20,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:20,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:07:20,154 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.8 stem predicates 2 loop predicates [2023-11-12 02:07:20,154 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25 Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:20,184 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 71 states and 88 transitions. Complement of second has 4 states. [2023-11-12 02:07:20,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-12 02:07:20,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:20,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2023-11-12 02:07:20,185 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 60 letters. Loop has 2 letters. [2023-11-12 02:07:20,186 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:07:20,186 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-12 02:07:20,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-12 02:07:20,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:07:20,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:20,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:07:20,503 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2023-11-12 02:07:20,503 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25 Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:20,731 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 70 states and 86 transitions. cyclomatic complexity: 25. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 90 states and 115 transitions. Complement of second has 20 states. [2023-11-12 02:07:20,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 8 stem states 2 non-accepting loop states 2 accepting loop states [2023-11-12 02:07:20,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:20,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 63 transitions. [2023-11-12 02:07:20,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 63 transitions. Stem has 60 letters. Loop has 2 letters. [2023-11-12 02:07:20,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:07:20,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 63 transitions. Stem has 62 letters. Loop has 2 letters. [2023-11-12 02:07:20,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:07:20,733 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 63 transitions. Stem has 60 letters. Loop has 4 letters. [2023-11-12 02:07:20,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:07:20,733 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 90 states and 115 transitions. [2023-11-12 02:07:20,734 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:07:20,735 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 90 states to 85 states and 108 transitions. [2023-11-12 02:07:20,735 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-12 02:07:20,735 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-11-12 02:07:20,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 85 states and 108 transitions. [2023-11-12 02:07:20,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:07:20,735 INFO L218 hiAutomatonCegarLoop]: Abstraction has 85 states and 108 transitions. [2023-11-12 02:07:20,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states and 108 transitions. [2023-11-12 02:07:20,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 75. [2023-11-12 02:07:20,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 75 states have (on average 1.2266666666666666) internal successors, (92), 74 states have internal predecessors, (92), 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) [2023-11-12 02:07:20,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 92 transitions. [2023-11-12 02:07:20,739 INFO L240 hiAutomatonCegarLoop]: Abstraction has 75 states and 92 transitions. [2023-11-12 02:07:20,739 INFO L428 stractBuchiCegarLoop]: Abstraction has 75 states and 92 transitions. [2023-11-12 02:07:20,739 INFO L335 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2023-11-12 02:07:20,739 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states and 92 transitions. [2023-11-12 02:07:20,740 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:07:20,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:07:20,740 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:07:20,741 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:07:20,741 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-12 02:07:20,742 INFO L748 eck$LassoCheckResult]: Stem: 6794#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6786#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 6787#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 6795#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 6788#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 6789#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6790#L521 assume !(main_~val~0#1 < 0); 6782#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6783#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6791#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6792#L521 assume !(main_~val~0#1 < 0); 6820#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6784#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6785#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6816#L521 assume !(main_~val~0#1 < 0); 6815#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6814#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6813#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6812#L521 assume !(main_~val~0#1 < 0); 6811#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6810#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6809#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6808#L521 assume !(main_~val~0#1 < 0); 6807#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6806#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6805#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6804#L521 assume !(main_~val~0#1 < 0); 6803#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6802#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6801#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 6798#L521 assume !(main_~val~0#1 < 0); 6800#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 6799#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6797#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 6796#L519-4 main_~j~0#1 := 0; 6779#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6780#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6846#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6845#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6781#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6778#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6793#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6773#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6774#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6843#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6842#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6841#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6840#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6838#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6837#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6836#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6835#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6833#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6832#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6831#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6830#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6828#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6827#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6826#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6825#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6824#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6821#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 6819#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 6817#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 6776#L527-3 [2023-11-12 02:07:20,742 INFO L750 eck$LassoCheckResult]: Loop: 6776#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 6775#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 6776#L527-3 [2023-11-12 02:07:20,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:20,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1801767883, now seen corresponding path program 14 times [2023-11-12 02:07:20,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:20,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278975522] [2023-11-12 02:07:20,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:20,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:20,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:21,244 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 66 proven. 116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:07:21,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:07:21,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278975522] [2023-11-12 02:07:21,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278975522] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:07:21,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300577452] [2023-11-12 02:07:21,244 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-12 02:07:21,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:07:21,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:21,246 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:07:21,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (124)] Waiting until timeout for monitored process [2023-11-12 02:07:21,357 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-12 02:07:21,357 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 02:07:21,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-12 02:07:21,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:21,665 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 91 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:07:21,665 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:07:21,911 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 91 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:07:21,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300577452] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:07:21,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:07:21,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 28 [2023-11-12 02:07:21,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761164436] [2023-11-12 02:07:21,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:07:21,912 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-12 02:07:21,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:21,913 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 14 times [2023-11-12 02:07:21,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:21,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612859929] [2023-11-12 02:07:21,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:21,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:07:21,917 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:07:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:07:21,921 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:07:21,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:07:21,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-12 02:07:21,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=618, Unknown=0, NotChecked=0, Total=812 [2023-11-12 02:07:21,967 INFO L87 Difference]: Start difference. First operand 75 states and 92 transitions. cyclomatic complexity: 27 Second operand has 29 states, 28 states have (on average 3.7142857142857144) internal successors, (104), 29 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:22,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:07:22,348 INFO L93 Difference]: Finished difference Result 119 states and 145 transitions. [2023-11-12 02:07:22,348 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 119 states and 145 transitions. [2023-11-12 02:07:22,349 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:07:22,350 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 119 states to 82 states and 101 transitions. [2023-11-12 02:07:22,350 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-12 02:07:22,351 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-12 02:07:22,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 82 states and 101 transitions. [2023-11-12 02:07:22,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:07:22,351 INFO L218 hiAutomatonCegarLoop]: Abstraction has 82 states and 101 transitions. [2023-11-12 02:07:22,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states and 101 transitions. [2023-11-12 02:07:22,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2023-11-12 02:07:22,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 78 states have internal predecessors, (97), 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) [2023-11-12 02:07:22,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 97 transitions. [2023-11-12 02:07:22,355 INFO L240 hiAutomatonCegarLoop]: Abstraction has 79 states and 97 transitions. [2023-11-12 02:07:22,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-12 02:07:22,356 INFO L428 stractBuchiCegarLoop]: Abstraction has 79 states and 97 transitions. [2023-11-12 02:07:22,356 INFO L335 stractBuchiCegarLoop]: ======== Iteration 18 ============ [2023-11-12 02:07:22,356 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 79 states and 97 transitions. [2023-11-12 02:07:22,357 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:07:22,357 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:07:22,357 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:07:22,358 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 8, 8, 8, 8, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:07:22,359 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-12 02:07:22,359 INFO L748 eck$LassoCheckResult]: Stem: 7414#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7407#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 7408#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 7415#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 7409#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 7410#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7411#L521 assume !(main_~val~0#1 < 0); 7404#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7405#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7406#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7412#L521 assume !(main_~val~0#1 < 0); 7473#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7472#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7471#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7470#L521 assume !(main_~val~0#1 < 0); 7469#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7468#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7467#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7466#L521 assume !(main_~val~0#1 < 0); 7465#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7464#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7463#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7462#L521 assume !(main_~val~0#1 < 0); 7461#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7460#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7459#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7458#L521 assume !(main_~val~0#1 < 0); 7457#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7456#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7455#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7454#L521 assume !(main_~val~0#1 < 0); 7453#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7452#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7451#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 7418#L521 assume !(main_~val~0#1 < 0); 7424#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 7419#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 7417#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 7416#L519-4 main_~j~0#1 := 0; 7401#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 7402#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7449#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7448#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7403#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 7400#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7413#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7395#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7396#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 7446#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7445#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7444#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7443#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 7441#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7440#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7439#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7438#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 7436#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7435#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7434#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7433#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 7431#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7430#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7429#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7428#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 7427#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7423#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 7422#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7420#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 7398#L527-3 [2023-11-12 02:07:22,359 INFO L750 eck$LassoCheckResult]: Loop: 7398#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 7397#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 7398#L527-3 [2023-11-12 02:07:22,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:22,360 INFO L85 PathProgramCache]: Analyzing trace with hash 260997934, now seen corresponding path program 15 times [2023-11-12 02:07:22,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:22,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144708055] [2023-11-12 02:07:22,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:22,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:07:22,395 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:07:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:07:22,427 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:07:22,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:22,428 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 15 times [2023-11-12 02:07:22,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:22,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137809266] [2023-11-12 02:07:22,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:22,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:07:22,433 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:07:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:07:22,436 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:07:22,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:22,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1710912947, now seen corresponding path program 7 times [2023-11-12 02:07:22,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:22,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859106599] [2023-11-12 02:07:22,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:22,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:07:22,470 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:07:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:07:22,505 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:07:26,691 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:07:26,691 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:07:26,691 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:07:26,691 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:07:26,692 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:07:26,692 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:26,692 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:07:26,692 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:07:26,692 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_down-alloca-1.i_Iteration18_Lasso [2023-11-12 02:07:26,692 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:07:26,692 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:07:26,694 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:26,701 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:26,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:26,706 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:26,709 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:26,711 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:26,713 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:26,715 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:26,717 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:26,720 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:26,722 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:27,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:27,067 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:27,068 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:27,070 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:07:27,391 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:07:27,392 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:07:27,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:27,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:27,393 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:27,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2023-11-12 02:07:27,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:27,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:27,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:07:27,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:27,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:27,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:27,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:07:27,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:07:27,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:27,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Ended with exit code 0 [2023-11-12 02:07:27,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:27,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:27,437 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:27,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2023-11-12 02:07:27,441 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 [2023-11-12 02:07:27,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:27,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:27,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:27,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:27,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:27,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:27,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:27,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2023-11-12 02:07:27,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:27,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:27,465 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:27,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2023-11-12 02:07:27,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:27,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:27,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:27,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:27,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:27,480 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:27,481 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:27,484 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:27,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:27,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:27,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:27,489 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:27,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:27,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2023-11-12 02:07:27,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:27,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:27,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:27,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:27,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:27,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:27,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:27,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:27,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:27,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:27,518 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:27,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2023-11-12 02:07:27,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:27,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:27,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:07:27,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:27,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:27,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:27,533 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:07:27,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:07:27,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:27,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Ended with exit code 0 [2023-11-12 02:07:27,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:27,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:27,538 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:27,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2023-11-12 02:07:27,541 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:27,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:27,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:27,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:27,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:27,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:27,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:27,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:27,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:27,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:27,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:27,569 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:27,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2023-11-12 02:07:27,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:27,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:27,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:07:27,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:27,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:27,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:27,585 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:07:27,585 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:07:27,586 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:27,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:27,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:27,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:27,591 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:27,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2023-11-12 02:07:27,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:27,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:27,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:07:27,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:27,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:27,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:27,606 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:07:27,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:07:27,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:27,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:27,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:27,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:27,612 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:27,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2023-11-12 02:07:27,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:27,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:27,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:27,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:27,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:27,629 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:27,629 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:27,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:27,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:27,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:27,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:27,637 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:27,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2023-11-12 02:07:27,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:07:27,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:27,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:07:27,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:27,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:27,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:27,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:07:27,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:07:27,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:07:27,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Ended with exit code 0 [2023-11-12 02:07:27,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:27,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:27,662 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:27,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2023-11-12 02:07:27,665 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 [2023-11-12 02:07:27,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:07:27,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:07:27,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:07:27,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:07:27,680 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:07:27,680 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:07:27,690 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:07:27,698 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-11-12 02:07:27,699 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-11-12 02:07:27,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:07:27,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:07:27,701 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:07:27,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2023-11-12 02:07:27,703 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:07:27,714 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-12 02:07:27,714 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:07:27,715 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) 28)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) 28)_1 Supporting invariants [] [2023-11-12 02:07:27,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Ended with exit code 0 [2023-11-12 02:07:27,746 INFO L156 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2023-11-12 02:07:27,748 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~arr~0!base][28] could not be translated [2023-11-12 02:07:27,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:27,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-12 02:07:27,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:28,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:07:28,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:28,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:07:28,284 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.10 stem predicates 2 loop predicates [2023-11-12 02:07:28,285 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28 Second operand has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:28,334 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28. Second operand has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 80 states and 99 transitions. Complement of second has 5 states. [2023-11-12 02:07:28,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-12 02:07:28,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:28,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2023-11-12 02:07:28,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 68 letters. Loop has 2 letters. [2023-11-12 02:07:28,336 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:07:28,336 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-12 02:07:28,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:28,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-12 02:07:28,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:28,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:07:28,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:28,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:07:28,844 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.10 stem predicates 2 loop predicates [2023-11-12 02:07:28,844 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28 Second operand has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:28,891 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28. Second operand has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 80 states and 99 transitions. Complement of second has 5 states. [2023-11-12 02:07:28,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-12 02:07:28,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:28,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2023-11-12 02:07:28,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 68 letters. Loop has 2 letters. [2023-11-12 02:07:28,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:07:28,896 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-12 02:07:28,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:28,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-12 02:07:28,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:29,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceef454-b86c-437e-9cc0-b17aa7be31b2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Ended with exit code 0 [2023-11-12 02:07:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:29,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:07:29,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:29,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:07:29,484 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.10 stem predicates 2 loop predicates [2023-11-12 02:07:29,484 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28 Second operand has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:29,814 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 79 states and 97 transitions. cyclomatic complexity: 28. Second operand has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 100 states and 128 transitions. Complement of second has 23 states. [2023-11-12 02:07:29,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 10 stem states 2 non-accepting loop states 2 accepting loop states [2023-11-12 02:07:29,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:07:29,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 69 transitions. [2023-11-12 02:07:29,815 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 69 transitions. Stem has 68 letters. Loop has 2 letters. [2023-11-12 02:07:29,816 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:07:29,816 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 69 transitions. Stem has 70 letters. Loop has 2 letters. [2023-11-12 02:07:29,816 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:07:29,816 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 69 transitions. Stem has 68 letters. Loop has 4 letters. [2023-11-12 02:07:29,816 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:07:29,816 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 100 states and 128 transitions. [2023-11-12 02:07:29,817 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:07:29,818 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 100 states to 95 states and 121 transitions. [2023-11-12 02:07:29,818 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-12 02:07:29,819 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-11-12 02:07:29,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 121 transitions. [2023-11-12 02:07:29,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:07:29,819 INFO L218 hiAutomatonCegarLoop]: Abstraction has 95 states and 121 transitions. [2023-11-12 02:07:29,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 121 transitions. [2023-11-12 02:07:29,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 84. [2023-11-12 02:07:29,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 84 states have (on average 1.2261904761904763) internal successors, (103), 83 states have internal predecessors, (103), 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) [2023-11-12 02:07:29,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 103 transitions. [2023-11-12 02:07:29,823 INFO L240 hiAutomatonCegarLoop]: Abstraction has 84 states and 103 transitions. [2023-11-12 02:07:29,824 INFO L428 stractBuchiCegarLoop]: Abstraction has 84 states and 103 transitions. [2023-11-12 02:07:29,824 INFO L335 stractBuchiCegarLoop]: ======== Iteration 19 ============ [2023-11-12 02:07:29,824 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states and 103 transitions. [2023-11-12 02:07:29,825 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-12 02:07:29,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:07:29,825 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:07:29,826 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:07:29,826 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-12 02:07:29,826 INFO L748 eck$LassoCheckResult]: Stem: 8532#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8524#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet5#1, main_#t~post4#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem7#1, main_#t~post6#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 8525#L516 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 8533#L516-2 call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 8526#L518 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 8527#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8528#L521 assume !(main_~val~0#1 < 0); 8520#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8521#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8529#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8530#L521 assume !(main_~val~0#1 < 0); 8562#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8522#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8523#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8558#L521 assume !(main_~val~0#1 < 0); 8557#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8556#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8555#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8554#L521 assume !(main_~val~0#1 < 0); 8553#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8552#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8551#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8550#L521 assume !(main_~val~0#1 < 0); 8549#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8548#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8547#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8546#L521 assume !(main_~val~0#1 < 0); 8545#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8544#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8543#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8542#L521 assume !(main_~val~0#1 < 0); 8541#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8540#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8539#L519-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet5#1;main_~val~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 8536#L521 assume !(main_~val~0#1 < 0); 8538#L521-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 8537#L519-2 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 8535#L519-3 assume !(main_~i~0#1 < main_~length~0#1); 8534#L519-4 main_~j~0#1 := 0; 8517#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 8518#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8593#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8592#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8519#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 8516#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8531#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8511#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8512#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 8590#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8589#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8588#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8587#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 8585#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8584#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8583#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8582#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 8580#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8579#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8578#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8577#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 8575#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8574#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8573#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8572#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 8570#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8569#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8568#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8567#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 8566#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8563#L527-1 assume !(main_#t~mem7#1 > 0);havoc main_#t~mem7#1; 8561#L526-2 main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 8559#L526-3 assume !!(main_~j~0#1 < main_~length~0#1); 8514#L527-3 [2023-11-12 02:07:29,827 INFO L750 eck$LassoCheckResult]: Loop: 8514#L527-3 call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 8513#L527-1 assume !!(main_#t~mem7#1 > 0);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int(main_#t~post9#1 - 1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 8514#L527-3 [2023-11-12 02:07:29,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:07:29,828 INFO L85 PathProgramCache]: Analyzing trace with hash -785132413, now seen corresponding path program 16 times [2023-11-12 02:07:29,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:07:29,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095440472] [2023-11-12 02:07:29,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:07:29,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:07:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat