./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursified_loop-simple/recursified_nested_2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursified_loop-simple/recursified_nested_2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1a590e2514668f126114e4312bb6236a04cce9502b393533b5b4bfd230be904b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:46:03,374 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:46:03,455 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:46:03,460 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:46:03,461 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:46:03,488 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:46:03,489 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:46:03,490 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:46:03,491 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:46:03,493 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:46:03,494 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:46:03,495 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:46:03,495 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:46:03,498 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:46:03,498 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:46:03,499 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:46:03,500 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:46:03,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:46:03,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:46:03,505 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:46:03,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:46:03,507 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:46:03,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:46:03,508 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:46:03,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:46:03,509 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:46:03,509 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:46:03,509 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:46:03,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:46:03,510 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:46:03,511 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:46:03,512 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:46:03,512 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:46:03,513 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:46:03,513 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:46:03,514 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:46:03,514 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_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a590e2514668f126114e4312bb6236a04cce9502b393533b5b4bfd230be904b [2023-11-19 07:46:03,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:46:03,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:46:03,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:46:03,900 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:46:03,901 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:46:03,902 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/recursified_loop-simple/recursified_nested_2.c [2023-11-19 07:46:07,124 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:46:07,373 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:46:07,374 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/sv-benchmarks/c/recursified_loop-simple/recursified_nested_2.c [2023-11-19 07:46:07,383 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/data/1e574c737/0f1736d945ec4dceaf11ec16b6d94df6/FLAGae68e2ad8 [2023-11-19 07:46:07,404 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/data/1e574c737/0f1736d945ec4dceaf11ec16b6d94df6 [2023-11-19 07:46:07,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:46:07,413 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:46:07,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:07,417 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:46:07,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:46:07,427 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:07" (1/1) ... [2023-11-19 07:46:07,428 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@232c04e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:07, skipping insertion in model container [2023-11-19 07:46:07,430 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:07" (1/1) ... [2023-11-19 07:46:07,453 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:46:07,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:07,644 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:46:07,659 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:07,675 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:46:07,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:07 WrapperNode [2023-11-19 07:46:07,676 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:07,677 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:07,677 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:46:07,677 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:46:07,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:07" (1/1) ... [2023-11-19 07:46:07,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:07" (1/1) ... [2023-11-19 07:46:07,712 INFO L138 Inliner]: procedures = 13, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2023-11-19 07:46:07,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:07,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:46:07,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:46:07,714 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:46:07,723 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:07" (1/1) ... [2023-11-19 07:46:07,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:07" (1/1) ... [2023-11-19 07:46:07,738 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:07" (1/1) ... [2023-11-19 07:46:07,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:07" (1/1) ... [2023-11-19 07:46:07,744 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:07" (1/1) ... [2023-11-19 07:46:07,746 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:07" (1/1) ... [2023-11-19 07:46:07,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:07" (1/1) ... [2023-11-19 07:46:07,749 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:07" (1/1) ... [2023-11-19 07:46:07,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:46:07,753 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:46:07,754 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:46:07,754 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:46:07,755 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:07" (1/1) ... [2023-11-19 07:46:07,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:07,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:07,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:07,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:46:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:46:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:46:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:46:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:46:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_21_0 [2023-11-19 07:46:07,841 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_21_0 [2023-11-19 07:46:07,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:46:07,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:46:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:46:07,842 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_21_to_21_0 [2023-11-19 07:46:07,842 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_21_to_21_0 [2023-11-19 07:46:07,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:46:07,935 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:46:07,938 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:46:08,208 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:46:08,219 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:46:08,220 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:46:08,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:08 BoogieIcfgContainer [2023-11-19 07:46:08,224 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:46:08,226 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:46:08,228 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:46:08,232 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:46:08,233 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:46:08,233 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:46:07" (1/3) ... [2023-11-19 07:46:08,234 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74ccf5c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:46:08, skipping insertion in model container [2023-11-19 07:46:08,235 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:46:08,235 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:07" (2/3) ... [2023-11-19 07:46:08,236 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74ccf5c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:46:08, skipping insertion in model container [2023-11-19 07:46:08,236 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:46:08,237 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:08" (3/3) ... [2023-11-19 07:46:08,238 INFO L332 chiAutomizerObserver]: Analyzing ICFG recursified_nested_2.c [2023-11-19 07:46:08,303 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:46:08,303 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:46:08,304 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:46:08,304 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:46:08,304 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:46:08,304 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:46:08,304 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:46:08,305 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:46:08,309 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 07:46:08,331 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-19 07:46:08,332 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:08,332 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:08,339 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-19 07:46:08,340 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:08,340 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:46:08,344 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 07:46:08,354 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-19 07:46:08,354 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:08,354 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:08,354 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-19 07:46:08,355 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:08,361 INFO L748 eck$LassoCheckResult]: Stem: 19#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 21#L65true call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 22#$Ultimate##0true [2023-11-19 07:46:08,362 INFO L750 eck$LassoCheckResult]: Loop: 22#$Ultimate##0true ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int(~a.base, ~a.offset, 4); 10#L41true assume #t~mem7 < 6;havoc #t~mem7;call write~int(0, ~b.base, ~b.offset, 4); 14#L47true call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 11#$Ultimate##0true ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 8#L25true assume !(#t~mem4 < 6);havoc #t~mem4; 4#L25-1true assume true; 13#func_to_recursive_line_21_to_21_0EXITtrue >#44#return; 18#L47-1true call #t~mem8 := read~int(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9; 5#L52true call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);< 22#$Ultimate##0true [2023-11-19 07:46:08,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:08,367 INFO L85 PathProgramCache]: Analyzing trace with hash 40812, now seen corresponding path program 1 times [2023-11-19 07:46:08,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:08,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063196655] [2023-11-19 07:46:08,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:08,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:08,495 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:08,557 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:08,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:08,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1256528503, now seen corresponding path program 1 times [2023-11-19 07:46:08,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:08,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69451025] [2023-11-19 07:46:08,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:08,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:08,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:46:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:09,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:09,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:09,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69451025] [2023-11-19 07:46:09,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69451025] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:09,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:09,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:46:09,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215838423] [2023-11-19 07:46:09,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:09,071 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:46:09,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:09,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:46:09,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:46:09,115 INFO L87 Difference]: Start difference. First operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:46:09,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:09,250 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2023-11-19 07:46:09,251 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 31 transitions. [2023-11-19 07:46:09,257 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-19 07:46:09,267 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 15 states and 17 transitions. [2023-11-19 07:46:09,269 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2023-11-19 07:46:09,269 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-11-19 07:46:09,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 17 transitions. [2023-11-19 07:46:09,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:46:09,272 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2023-11-19 07:46:09,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 17 transitions. [2023-11-19 07:46:09,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-19 07:46:09,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 10 states have internal predecessors, (10), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:46:09,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2023-11-19 07:46:09,304 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2023-11-19 07:46:09,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:46:09,311 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2023-11-19 07:46:09,312 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:46:09,312 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2023-11-19 07:46:09,314 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-19 07:46:09,314 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:09,314 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:09,316 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-19 07:46:09,316 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:09,316 INFO L748 eck$LassoCheckResult]: Stem: 82#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 77#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 74#L65 call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 75#$Ultimate##0 [2023-11-19 07:46:09,317 INFO L750 eck$LassoCheckResult]: Loop: 75#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int(~a.base, ~a.offset, 4); 78#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int(0, ~b.base, ~b.offset, 4); 70#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 79#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 76#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 71#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 79#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 76#L25 assume !(#t~mem4 < 6);havoc #t~mem4; 69#L25-1 assume true; 72#func_to_recursive_line_21_to_21_0EXIT >#50#return; 80#L25-1 assume true; 83#func_to_recursive_line_21_to_21_0EXIT >#44#return; 81#L47-1 call #t~mem8 := read~int(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9; 73#L52 call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);< 75#$Ultimate##0 [2023-11-19 07:46:09,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:09,327 INFO L85 PathProgramCache]: Analyzing trace with hash 40812, now seen corresponding path program 2 times [2023-11-19 07:46:09,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:09,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054775783] [2023-11-19 07:46:09,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:09,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:09,361 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:09,374 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:09,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:09,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1085452703, now seen corresponding path program 1 times [2023-11-19 07:46:09,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:09,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143755392] [2023-11-19 07:46:09,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:09,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:09,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:46:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:09,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:46:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:10,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:46:10,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:10,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143755392] [2023-11-19 07:46:10,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143755392] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:46:10,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821429671] [2023-11-19 07:46:10,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:10,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:46:10,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:10,058 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:46:10,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:46:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:10,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 07:46:10,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:10,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 07:46:10,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:46:10,507 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:46:10,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:10,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821429671] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:46:10,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:46:10,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 21 [2023-11-19 07:46:10,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090912433] [2023-11-19 07:46:10,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:46:10,950 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:46:10,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:10,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-19 07:46:10,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=335, Unknown=0, NotChecked=0, Total=420 [2023-11-19 07:46:10,953 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. cyclomatic complexity: 4 Second operand has 21 states, 16 states have (on average 1.3125) internal successors, (21), 18 states have internal predecessors, (21), 6 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2023-11-19 07:46:11,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:11,276 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2023-11-19 07:46:11,276 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 21 transitions. [2023-11-19 07:46:11,277 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-19 07:46:11,278 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 21 transitions. [2023-11-19 07:46:11,279 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-11-19 07:46:11,279 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2023-11-19 07:46:11,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 21 transitions. [2023-11-19 07:46:11,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:46:11,280 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2023-11-19 07:46:11,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 21 transitions. [2023-11-19 07:46:11,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-19 07:46:11,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 12 states have internal predecessors, (12), 4 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-19 07:46:11,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2023-11-19 07:46:11,284 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2023-11-19 07:46:11,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 07:46:11,285 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 21 transitions. [2023-11-19 07:46:11,285 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:46:11,285 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 21 transitions. [2023-11-19 07:46:11,286 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-19 07:46:11,287 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:11,287 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:11,288 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-19 07:46:11,288 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:11,288 INFO L748 eck$LassoCheckResult]: Stem: 241#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 236#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 233#L65 call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 234#$Ultimate##0 [2023-11-19 07:46:11,288 INFO L750 eck$LassoCheckResult]: Loop: 234#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int(~a.base, ~a.offset, 4); 237#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int(0, ~b.base, ~b.offset, 4); 229#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 238#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 235#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 230#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 238#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 235#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 230#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 238#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 235#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 230#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 238#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 235#L25 assume !(#t~mem4 < 6);havoc #t~mem4; 228#L25-1 assume true; 231#func_to_recursive_line_21_to_21_0EXIT >#50#return; 239#L25-1 assume true; 246#func_to_recursive_line_21_to_21_0EXIT >#50#return; 245#L25-1 assume true; 244#func_to_recursive_line_21_to_21_0EXIT >#50#return; 243#L25-1 assume true; 242#func_to_recursive_line_21_to_21_0EXIT >#44#return; 240#L47-1 call #t~mem8 := read~int(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9; 232#L52 call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);< 234#$Ultimate##0 [2023-11-19 07:46:11,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:11,289 INFO L85 PathProgramCache]: Analyzing trace with hash 40812, now seen corresponding path program 3 times [2023-11-19 07:46:11,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:11,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049598141] [2023-11-19 07:46:11,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:11,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:11,300 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:11,309 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:11,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:11,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1462582353, now seen corresponding path program 2 times [2023-11-19 07:46:11,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:11,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037884521] [2023-11-19 07:46:11,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:11,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:11,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:46:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:12,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:46:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:12,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:46:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:12,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:46:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:12,746 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 07:46:12,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:12,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037884521] [2023-11-19 07:46:12,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037884521] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:46:12,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334628873] [2023-11-19 07:46:12,749 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 07:46:12,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:46:12,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:12,777 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:46:12,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:46:12,870 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-19 07:46:12,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:46:12,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-19 07:46:12,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:12,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 07:46:13,247 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 07:46:13,248 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:46:14,356 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:14,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334628873] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:46:14,356 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:46:14,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 18] total 33 [2023-11-19 07:46:14,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430688916] [2023-11-19 07:46:14,357 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:46:14,357 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:46:14,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:14,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-11-19 07:46:14,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=845, Unknown=0, NotChecked=0, Total=1056 [2023-11-19 07:46:14,359 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. cyclomatic complexity: 4 Second operand has 33 states, 25 states have (on average 1.24) internal successors, (31), 28 states have internal predecessors, (31), 9 states have call successors, (9), 6 states have call predecessors, (9), 9 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2023-11-19 07:46:14,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:14,784 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2023-11-19 07:46:14,784 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 25 transitions. [2023-11-19 07:46:14,786 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-19 07:46:14,787 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 25 transitions. [2023-11-19 07:46:14,787 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2023-11-19 07:46:14,787 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2023-11-19 07:46:14,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 25 transitions. [2023-11-19 07:46:14,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:46:14,788 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 25 transitions. [2023-11-19 07:46:14,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 25 transitions. [2023-11-19 07:46:14,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2023-11-19 07:46:14,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 14 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 6 states have return successors, (7), 6 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-19 07:46:14,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2023-11-19 07:46:14,796 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 25 transitions. [2023-11-19 07:46:14,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-19 07:46:14,799 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 25 transitions. [2023-11-19 07:46:14,800 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-19 07:46:14,801 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 25 transitions. [2023-11-19 07:46:14,802 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-19 07:46:14,803 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:14,803 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:14,806 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-19 07:46:14,808 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:14,808 INFO L748 eck$LassoCheckResult]: Stem: 516#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 511#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 507#L65 call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 508#$Ultimate##0 [2023-11-19 07:46:14,808 INFO L750 eck$LassoCheckResult]: Loop: 508#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int(~a.base, ~a.offset, 4); 512#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int(0, ~b.base, ~b.offset, 4); 504#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 513#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 509#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 503#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 513#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 509#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 503#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 513#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 509#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 503#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 513#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 509#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 503#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 513#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 509#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 503#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 513#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 509#L25 assume !(#t~mem4 < 6);havoc #t~mem4; 510#L25-1 assume true; 514#func_to_recursive_line_21_to_21_0EXIT >#50#return; 502#L25-1 assume true; 505#func_to_recursive_line_21_to_21_0EXIT >#50#return; 524#L25-1 assume true; 523#func_to_recursive_line_21_to_21_0EXIT >#50#return; 522#L25-1 assume true; 521#func_to_recursive_line_21_to_21_0EXIT >#50#return; 520#L25-1 assume true; 519#func_to_recursive_line_21_to_21_0EXIT >#50#return; 518#L25-1 assume true; 517#func_to_recursive_line_21_to_21_0EXIT >#44#return; 515#L47-1 call #t~mem8 := read~int(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9; 506#L52 call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);< 508#$Ultimate##0 [2023-11-19 07:46:14,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:14,809 INFO L85 PathProgramCache]: Analyzing trace with hash 40812, now seen corresponding path program 4 times [2023-11-19 07:46:14,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:14,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135572292] [2023-11-19 07:46:14,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:14,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:14,820 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:14,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:14,828 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:14,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:14,830 INFO L85 PathProgramCache]: Analyzing trace with hash 892489151, now seen corresponding path program 3 times [2023-11-19 07:46:14,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:14,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890093979] [2023-11-19 07:46:14,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:14,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:15,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:46:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:15,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:46:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:16,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:46:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:16,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:46:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:16,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:46:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:17,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:46:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:17,075 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-19 07:46:17,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:17,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890093979] [2023-11-19 07:46:17,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890093979] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:46:17,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500955168] [2023-11-19 07:46:17,076 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-19 07:46:17,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:46:17,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:17,081 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:46:17,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:46:17,213 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-11-19 07:46:17,213 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:46:17,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 74 conjunts are in the unsatisfiable core [2023-11-19 07:46:17,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:17,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 07:46:17,647 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-19 07:46:17,647 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:46:19,789 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:19,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500955168] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:46:19,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:46:19,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 26] total 43 [2023-11-19 07:46:19,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526363695] [2023-11-19 07:46:19,790 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:46:19,791 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:46:19,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:19,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-11-19 07:46:19,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=349, Invalid=1457, Unknown=0, NotChecked=0, Total=1806 [2023-11-19 07:46:19,793 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. cyclomatic complexity: 4 Second operand has 43 states, 33 states have (on average 1.1818181818181819) internal successors, (39), 36 states have internal predecessors, (39), 11 states have call successors, (11), 8 states have call predecessors, (11), 13 states have return successors, (18), 12 states have call predecessors, (18), 10 states have call successors, (18) [2023-11-19 07:46:20,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:20,398 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2023-11-19 07:46:20,399 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 27 transitions. [2023-11-19 07:46:20,400 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-19 07:46:20,401 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 27 transitions. [2023-11-19 07:46:20,401 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2023-11-19 07:46:20,401 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2023-11-19 07:46:20,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 27 transitions. [2023-11-19 07:46:20,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:46:20,402 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 27 transitions. [2023-11-19 07:46:20,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 27 transitions. [2023-11-19 07:46:20,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-11-19 07:46:20,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 15 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 7 states have return successors, (8), 7 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 07:46:20,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2023-11-19 07:46:20,407 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 27 transitions. [2023-11-19 07:46:20,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 07:46:20,408 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 27 transitions. [2023-11-19 07:46:20,408 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-19 07:46:20,408 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 27 transitions. [2023-11-19 07:46:20,409 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-19 07:46:20,410 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:20,410 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:20,411 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-19 07:46:20,411 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:20,412 INFO L748 eck$LassoCheckResult]: Stem: 921#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 916#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 912#L65 call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 913#$Ultimate##0 [2023-11-19 07:46:20,412 INFO L750 eck$LassoCheckResult]: Loop: 913#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int(~a.base, ~a.offset, 4); 917#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int(0, ~b.base, ~b.offset, 4); 909#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 918#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 914#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 908#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 918#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 914#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 908#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 918#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 914#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 908#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 918#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 914#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 908#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 918#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 914#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 908#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 918#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 914#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 908#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 918#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 914#L25 assume !(#t~mem4 < 6);havoc #t~mem4; 915#L25-1 assume true; 919#func_to_recursive_line_21_to_21_0EXIT >#50#return; 907#L25-1 assume true; 910#func_to_recursive_line_21_to_21_0EXIT >#50#return; 931#L25-1 assume true; 930#func_to_recursive_line_21_to_21_0EXIT >#50#return; 929#L25-1 assume true; 928#func_to_recursive_line_21_to_21_0EXIT >#50#return; 927#L25-1 assume true; 926#func_to_recursive_line_21_to_21_0EXIT >#50#return; 925#L25-1 assume true; 924#func_to_recursive_line_21_to_21_0EXIT >#50#return; 923#L25-1 assume true; 922#func_to_recursive_line_21_to_21_0EXIT >#44#return; 920#L47-1 call #t~mem8 := read~int(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9; 911#L52 call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);< 913#$Ultimate##0 [2023-11-19 07:46:20,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:20,412 INFO L85 PathProgramCache]: Analyzing trace with hash 40812, now seen corresponding path program 5 times [2023-11-19 07:46:20,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:20,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122091583] [2023-11-19 07:46:20,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:20,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:20,421 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:20,427 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:20,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:20,428 INFO L85 PathProgramCache]: Analyzing trace with hash -288932697, now seen corresponding path program 4 times [2023-11-19 07:46:20,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:20,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195684240] [2023-11-19 07:46:20,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:20,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:20,448 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:20,472 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:20,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:20,473 INFO L85 PathProgramCache]: Analyzing trace with hash -253400356, now seen corresponding path program 1 times [2023-11-19 07:46:20,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:20,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565374621] [2023-11-19 07:46:20,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:20,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:20,507 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:20,552 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:23,343 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:46:23,344 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:46:23,344 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:46:23,344 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:46:23,344 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:46:23,345 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:23,345 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:46:23,345 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:46:23,345 INFO L133 ssoRankerPreferences]: Filename of dumped script: recursified_nested_2.c_Iteration5_Lasso [2023-11-19 07:46:23,345 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:46:23,346 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:46:23,365 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:23,374 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:23,377 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:23,380 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:23,382 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:23,385 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:23,389 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:23,392 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:23,394 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:23,397 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:23,400 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:23,402 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:23,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:24,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:24,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:24,709 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:46:24,716 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:46:24,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:24,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:24,723 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:24,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:24,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 07:46:24,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:24,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:24,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:24,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:24,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:24,760 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:24,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:24,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:24,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:24,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:24,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:24,798 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:24,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:24,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-19 07:46:24,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:24,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:24,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:24,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:24,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:24,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:24,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:24,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:24,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:24,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:24,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:24,865 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:24,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:24,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 07:46:24,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:24,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:24,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:24,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:24,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:24,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:24,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:24,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:24,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:24,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:24,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:24,935 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:24,946 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 [2023-11-19 07:46:24,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-19 07:46:24,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:24,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:24,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:24,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:24,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:24,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:24,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:24,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:24,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:24,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:24,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:25,000 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:25,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-19 07:46:25,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:25,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:25,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:25,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:25,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:25,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:25,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:25,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:25,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:25,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:25,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:25,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:25,064 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:25,077 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 [2023-11-19 07:46:25,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:25,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:25,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:25,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:25,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:25,091 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:25,091 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:25,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-19 07:46:25,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:25,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:25,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:25,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:25,134 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:25,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-19 07:46:25,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:25,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:25,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:25,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:25,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:25,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:25,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:25,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:25,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:25,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:25,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:25,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:25,185 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:25,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:25,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-19 07:46:25,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:25,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:25,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:25,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:25,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:25,200 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:25,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:25,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:25,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:25,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:25,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:25,220 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:25,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-19 07:46:25,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:25,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:25,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:25,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:25,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:25,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:25,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:25,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:25,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:25,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:25,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:25,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:25,253 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:25,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-19 07:46:25,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:25,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:25,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:25,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:25,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:25,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:25,266 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:25,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:25,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:25,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:25,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:25,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:25,280 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:25,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-19 07:46:25,283 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:25,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:25,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:25,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:25,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:25,298 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:25,298 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:25,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:25,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:25,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:25,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:25,316 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:25,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-19 07:46:25,318 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:25,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:25,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:25,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:25,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:25,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:25,336 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:25,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:25,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:25,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:25,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:25,395 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:25,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-19 07:46:25,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:25,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:25,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:25,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:25,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:25,411 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:25,411 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:25,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:25,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:25,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:25,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:25,430 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:25,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-19 07:46:25,438 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 [2023-11-19 07:46:25,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:25,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:25,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:25,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:25,460 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:25,460 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:25,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:25,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:25,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:25,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:25,481 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:25,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-19 07:46:25,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:25,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:25,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:25,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:25,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:25,498 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:25,498 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:25,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:25,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:25,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:25,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:25,521 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:25,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-19 07:46:25,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:25,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:25,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:25,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:25,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:25,537 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:25,537 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:25,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:25,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:25,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:25,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:25,572 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:25,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-19 07:46:25,577 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:25,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:25,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:25,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:25,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:25,592 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:25,592 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:25,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:25,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:25,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:25,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:25,615 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:25,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-19 07:46:25,620 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:25,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:25,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:25,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:25,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:25,636 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:25,636 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:25,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:25,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:25,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:25,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:25,660 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:25,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-19 07:46:25,665 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 [2023-11-19 07:46:25,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:25,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:25,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:25,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:25,680 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:25,681 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:25,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:25,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:25,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:25,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:25,704 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:25,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:25,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-19 07:46:25,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:25,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:25,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:25,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:25,720 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:25,720 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:25,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:25,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:25,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:25,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:25,774 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:25,780 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 [2023-11-19 07:46:25,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-19 07:46:25,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:25,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:25,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:25,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:25,795 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:25,795 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:25,807 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:46:25,826 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-19 07:46:25,826 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-11-19 07:46:25,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:25,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:25,859 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:25,864 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:46:25,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-19 07:46:25,897 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 07:46:25,897 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:46:25,898 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int func_to_recursive_line_20_to_21_0_#in~a.base) func_to_recursive_line_20_to_21_0_#in~a.offset)_1) = -2*v_rep(select (select #memory_int func_to_recursive_line_20_to_21_0_#in~a.base) func_to_recursive_line_20_to_21_0_#in~a.offset)_1 + 11 Supporting invariants [] [2023-11-19 07:46:25,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:25,981 INFO L156 tatePredicateManager]: 15 out of 15 supporting invariants were superfluous and have been removed [2023-11-19 07:46:25,988 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#in~a!base][#in~a!offset] could not be translated [2023-11-19 07:46:26,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:26,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:46:26,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:26,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 110 conjunts are in the unsatisfiable core [2023-11-19 07:46:26,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:26,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:26,290 INFO L349 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2023-11-19 07:46:26,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 33 [2023-11-19 07:46:26,945 INFO L349 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2023-11-19 07:46:26,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 60 [2023-11-19 07:46:27,146 INFO L349 Elim1Store]: treesize reduction 18, result has 60.9 percent of original size [2023-11-19 07:46:27,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 59 [2023-11-19 07:46:27,281 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-19 07:46:27,285 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 14 loop predicates [2023-11-19 07:46:27,286 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 27 transitions. cyclomatic complexity: 4 Second operand has 15 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 5 states have call successors, (5), 2 states have call predecessors, (5), 7 states have return successors, (7), 7 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-19 07:46:27,818 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 27 transitions. cyclomatic complexity: 4. Second operand has 15 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 5 states have call successors, (5), 2 states have call predecessors, (5), 7 states have return successors, (7), 7 states have call predecessors, (7), 3 states have call successors, (7) Result 111 states and 123 transitions. Complement of second has 52 states. [2023-11-19 07:46:27,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 1 stem states 12 non-accepting loop states 1 accepting loop states [2023-11-19 07:46:27,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 5 states have call successors, (5), 2 states have call predecessors, (5), 7 states have return successors, (7), 7 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-19 07:46:27,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 26 transitions. [2023-11-19 07:46:27,823 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 26 transitions. Stem has 3 letters. Loop has 39 letters. [2023-11-19 07:46:27,825 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:27,825 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 26 transitions. Stem has 42 letters. Loop has 39 letters. [2023-11-19 07:46:27,826 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:27,827 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 26 transitions. Stem has 3 letters. Loop has 78 letters. [2023-11-19 07:46:27,828 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:27,829 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 111 states and 123 transitions. [2023-11-19 07:46:27,834 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2023-11-19 07:46:27,837 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 111 states to 79 states and 91 transitions. [2023-11-19 07:46:27,837 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 48 [2023-11-19 07:46:27,838 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 50 [2023-11-19 07:46:27,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 79 states and 91 transitions. [2023-11-19 07:46:27,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:46:27,839 INFO L218 hiAutomatonCegarLoop]: Abstraction has 79 states and 91 transitions. [2023-11-19 07:46:27,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states and 91 transitions. [2023-11-19 07:46:27,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 73. [2023-11-19 07:46:27,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 44 states have internal predecessors, (46), 11 states have call successors, (11), 8 states have call predecessors, (11), 21 states have return successors, (26), 20 states have call predecessors, (26), 8 states have call successors, (26) [2023-11-19 07:46:27,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 83 transitions. [2023-11-19 07:46:27,850 INFO L240 hiAutomatonCegarLoop]: Abstraction has 73 states and 83 transitions. [2023-11-19 07:46:27,850 INFO L428 stractBuchiCegarLoop]: Abstraction has 73 states and 83 transitions. [2023-11-19 07:46:27,850 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-19 07:46:27,850 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 73 states and 83 transitions. [2023-11-19 07:46:27,852 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2023-11-19 07:46:27,853 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:27,853 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:27,853 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:27,853 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:46:27,854 INFO L748 eck$LassoCheckResult]: Stem: 1348#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 1336#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 1329#L65 call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 1350#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int(~a.base, ~a.offset, 4); 1337#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int(0, ~b.base, ~b.offset, 4); 1334#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1340#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 1333#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1321#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1345#$Ultimate##0 [2023-11-19 07:46:27,854 INFO L750 eck$LassoCheckResult]: Loop: 1345#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 1360#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1322#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1345#$Ultimate##0 [2023-11-19 07:46:27,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:27,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1345107250, now seen corresponding path program 1 times [2023-11-19 07:46:27,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:27,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388653867] [2023-11-19 07:46:27,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:27,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:27,869 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:27,880 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:27,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:27,881 INFO L85 PathProgramCache]: Analyzing trace with hash 63661, now seen corresponding path program 1 times [2023-11-19 07:46:27,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:27,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361255312] [2023-11-19 07:46:27,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:27,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:27,887 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:27,891 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:27,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:27,892 INFO L85 PathProgramCache]: Analyzing trace with hash 45246940, now seen corresponding path program 2 times [2023-11-19 07:46:27,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:27,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381851386] [2023-11-19 07:46:27,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:27,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:27,907 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:27,920 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:29,696 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:46:29,697 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:46:29,697 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:46:29,697 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:46:29,697 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:46:29,697 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:29,697 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:46:29,697 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:46:29,697 INFO L133 ssoRankerPreferences]: Filename of dumped script: recursified_nested_2.c_Iteration6_Lasso [2023-11-19 07:46:29,697 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:46:29,697 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:46:29,700 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:29,703 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:29,705 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:30,151 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:30,153 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:30,154 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:30,161 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:30,164 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:30,167 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:30,170 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:30,173 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:30,175 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:30,179 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:30,183 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:30,186 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:30,188 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:30,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:30,193 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:30,196 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:30,198 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:30,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:30,203 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:30,678 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:46:30,678 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:46:30,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:30,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:30,683 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:30,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-19 07:46:30,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:30,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:30,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:30,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:30,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:30,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:30,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:30,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:30,704 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:30,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:30,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:30,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:30,717 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:30,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-19 07:46:30,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:30,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:30,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:30,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:30,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:30,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:30,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:30,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:30,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:30,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-19 07:46:30,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:30,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:30,747 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:30,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-19 07:46:30,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:30,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:30,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:30,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:30,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:30,767 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:30,768 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:30,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:30,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-19 07:46:30,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:30,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:30,791 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:30,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-19 07:46:30,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:30,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:30,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:30,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:30,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:30,808 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:30,808 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:30,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:30,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:30,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:30,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:30,827 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:30,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-19 07:46:30,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:30,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:30,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:30,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:30,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:30,841 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:30,841 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:30,849 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:30,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:30,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:30,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:30,862 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:30,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-19 07:46:30,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:30,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:30,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:30,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:30,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:30,879 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:30,880 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:30,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:30,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:30,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:30,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:30,905 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:30,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-19 07:46:30,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:30,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:30,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:30,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:30,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:30,920 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:30,920 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:30,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:30,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-11-19 07:46:30,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:30,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:30,939 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:30,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-19 07:46:30,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:30,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:30,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:30,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:30,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:30,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:30,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:30,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:30,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-19 07:46:30,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:30,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:30,992 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:30,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-19 07:46:30,994 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:31,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:31,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:31,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:31,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:31,007 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:31,007 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:31,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:31,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:31,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:31,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:31,025 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:31,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-19 07:46:31,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:31,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:31,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:31,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:31,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:31,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:31,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:31,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:31,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-19 07:46:31,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:31,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:31,063 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:31,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-19 07:46:31,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:31,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:31,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:31,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:31,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:31,078 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:31,078 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:31,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:31,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-11-19 07:46:31,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:31,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:31,096 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:31,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-19 07:46:31,097 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 [2023-11-19 07:46:31,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:31,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:31,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:31,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:31,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:31,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:31,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:31,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:31,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:31,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:31,168 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:31,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:31,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-19 07:46:31,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:31,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:31,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:31,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:31,187 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:31,187 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:31,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:31,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:31,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:31,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:31,233 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:31,240 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 [2023-11-19 07:46:31,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-19 07:46:31,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:31,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:31,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:31,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:31,255 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:31,255 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:31,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:31,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:31,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:31,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:31,299 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:31,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:31,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-19 07:46:31,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:31,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:31,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:31,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:31,319 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:31,319 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:31,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:31,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:31,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:31,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:31,359 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:31,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:31,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-19 07:46:31,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:31,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:31,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:31,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:31,381 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:31,381 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:31,393 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:46:31,420 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-11-19 07:46:31,421 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 12 variables to zero. [2023-11-19 07:46:31,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:31,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:31,422 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:31,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-19 07:46:31,424 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:46:31,435 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 07:46:31,435 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:46:31,435 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int func_to_recursive_line_21_to_21_0_#in~b.base) func_to_recursive_line_21_to_21_0_#in~b.offset)_1) = -2*v_rep(select (select #memory_int func_to_recursive_line_21_to_21_0_#in~b.base) func_to_recursive_line_21_to_21_0_#in~b.offset)_1 + 11 Supporting invariants [] [2023-11-19 07:46:31,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:31,472 INFO L156 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2023-11-19 07:46:31,474 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#in~b!base][#in~b!offset] could not be translated [2023-11-19 07:46:31,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:31,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:46:31,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:31,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 07:46:31,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:31,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2023-11-19 07:46:31,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:31,619 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-19 07:46:31,619 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 73 states and 83 transitions. cyclomatic complexity: 15 Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:31,687 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 73 states and 83 transitions. cyclomatic complexity: 15. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 119 states and 160 transitions. Complement of second has 17 states. [2023-11-19 07:46:31,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-19 07:46:31,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:46:31,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2023-11-19 07:46:31,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 9 letters. Loop has 3 letters. [2023-11-19 07:46:31,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:31,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 12 letters. Loop has 3 letters. [2023-11-19 07:46:31,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:31,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 9 letters. Loop has 6 letters. [2023-11-19 07:46:31,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:31,691 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 119 states and 160 transitions. [2023-11-19 07:46:31,695 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2023-11-19 07:46:31,699 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 119 states to 101 states and 132 transitions. [2023-11-19 07:46:31,700 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 56 [2023-11-19 07:46:31,700 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 57 [2023-11-19 07:46:31,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 101 states and 132 transitions. [2023-11-19 07:46:31,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:46:31,702 INFO L218 hiAutomatonCegarLoop]: Abstraction has 101 states and 132 transitions. [2023-11-19 07:46:31,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states and 132 transitions. [2023-11-19 07:46:31,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2023-11-19 07:46:31,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 59 states have (on average 1.11864406779661) internal successors, (66), 66 states have internal predecessors, (66), 19 states have call successors, (19), 14 states have call predecessors, (19), 23 states have return successors, (47), 20 states have call predecessors, (47), 16 states have call successors, (47) [2023-11-19 07:46:31,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 132 transitions. [2023-11-19 07:46:31,716 INFO L240 hiAutomatonCegarLoop]: Abstraction has 101 states and 132 transitions. [2023-11-19 07:46:31,716 INFO L428 stractBuchiCegarLoop]: Abstraction has 101 states and 132 transitions. [2023-11-19 07:46:31,716 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-19 07:46:31,716 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 101 states and 132 transitions. [2023-11-19 07:46:31,718 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2023-11-19 07:46:31,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:31,719 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:31,720 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 7, 7, 7, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:31,720 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:46:31,721 INFO L748 eck$LassoCheckResult]: Stem: 1653#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 1631#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 1622#L65 call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 1654#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int(~a.base, ~a.offset, 4); 1634#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int(0, ~b.base, ~b.offset, 4); 1635#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1646#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 1696#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1666#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1667#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 1697#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1618#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1650#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 1695#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1619#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1650#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 1695#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1619#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1650#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 1695#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1619#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1650#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 1695#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1619#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1650#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 1698#L25 assume !(#t~mem4 < 6);havoc #t~mem4; 1617#L25-1 assume true; 1620#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1644#L25-1 assume true; 1694#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1693#L25-1 assume true; 1692#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1691#L25-1 assume true; 1683#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1682#L25-1 assume true; 1672#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1670#L25-1 assume true; 1665#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1662#L25-1 assume true; 1660#func_to_recursive_line_21_to_21_0EXIT >#44#return; 1652#L47-1 call #t~mem8 := read~int(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9; 1623#L52 call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);< 1625#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int(~a.base, ~a.offset, 4); 1632#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int(0, ~b.base, ~b.offset, 4); 1633#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1645#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 1704#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1615#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1700#$Ultimate##0 [2023-11-19 07:46:31,721 INFO L750 eck$LassoCheckResult]: Loop: 1700#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 1701#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1614#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1700#$Ultimate##0 [2023-11-19 07:46:31,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:31,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1144574814, now seen corresponding path program 2 times [2023-11-19 07:46:31,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:31,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716080578] [2023-11-19 07:46:31,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:31,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:31,753 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:31,783 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:31,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:31,784 INFO L85 PathProgramCache]: Analyzing trace with hash 63661, now seen corresponding path program 2 times [2023-11-19 07:46:31,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:31,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118645470] [2023-11-19 07:46:31,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:31,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:31,789 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:31,793 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:31,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:31,794 INFO L85 PathProgramCache]: Analyzing trace with hash -282887060, now seen corresponding path program 3 times [2023-11-19 07:46:31,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:31,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629105121] [2023-11-19 07:46:31,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:31,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:31,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:31,854 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:32,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:36,121 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:46:36,121 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:46:36,121 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:46:36,121 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:46:36,121 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:46:36,121 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:36,121 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:46:36,121 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:46:36,121 INFO L133 ssoRankerPreferences]: Filename of dumped script: recursified_nested_2.c_Iteration7_Lasso [2023-11-19 07:46:36,121 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:46:36,122 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:46:36,124 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,129 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,132 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,134 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,136 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,137 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,141 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,143 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,145 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,623 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,627 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,630 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,632 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,634 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,638 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,641 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,643 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,646 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,648 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,650 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,652 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,655 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:36,657 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:46:37,021 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:46:37,021 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:46:37,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,028 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-19 07:46:37,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:37,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:37,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:37,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2023-11-19 07:46:37,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,065 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-19 07:46:37,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:37,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:37,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:37,078 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2023-11-19 07:46:37,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,090 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-19 07:46:37,092 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 [2023-11-19 07:46:37,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:37,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:37,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:37,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2023-11-19 07:46:37,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,117 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-19 07:46:37,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:37,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:37,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:37,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2023-11-19 07:46:37,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,142 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-19 07:46:37,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:37,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:37,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:37,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2023-11-19 07:46:37,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,169 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-19 07:46:37,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:37,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:37,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:37,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2023-11-19 07:46:37,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,197 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-19 07:46:37,199 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 [2023-11-19 07:46:37,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:46:37,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,210 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:46:37,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:46:37,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2023-11-19 07:46:37,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,239 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-19 07:46:37,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,261 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:37,261 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:37,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:37,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,279 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-19 07:46:37,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,292 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:37,292 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:37,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:37,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,310 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-19 07:46:37,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:37,326 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:37,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:37,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,366 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-19 07:46:37,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,379 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:37,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:37,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2023-11-19 07:46:37,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,398 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-19 07:46:37,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,412 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:37,412 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:37,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:37,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,431 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-19 07:46:37,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,445 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:37,445 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:37,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:37,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,477 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-19 07:46:37,498 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:37,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:37,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:37,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,544 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,546 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-19 07:46:37,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,562 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:37,562 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:37,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:37,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,600 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-19 07:46:37,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,622 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:37,622 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:37,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:37,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,645 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-19 07:46:37,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,660 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:37,660 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:37,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2023-11-19 07:46:37,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,680 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-19 07:46:37,682 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:37,695 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:37,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:46:37,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2023-11-19 07:46:37,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,716 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-19 07:46:37,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:46:37,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:46:37,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:46:37,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:46:37,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:46:37,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:46:37,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:46:37,748 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:46:37,764 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-11-19 07:46:37,764 INFO L444 ModelExtractionUtils]: 7 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. [2023-11-19 07:46:37,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:46:37,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:37,765 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:37,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-19 07:46:37,768 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:46:37,783 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 07:46:37,784 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:46:37,784 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int func_to_recursive_line_21_to_21_0_#in~b.base) func_to_recursive_line_21_to_21_0_#in~b.offset)_2) = -2*v_rep(select (select #memory_int func_to_recursive_line_21_to_21_0_#in~b.base) func_to_recursive_line_21_to_21_0_#in~b.offset)_2 + 11 Supporting invariants [] [2023-11-19 07:46:37,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2023-11-19 07:46:37,823 INFO L156 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2023-11-19 07:46:37,826 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[#in~b!base][#in~b!offset] could not be translated [2023-11-19 07:46:37,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:37,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 07:46:37,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:38,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:38,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 07:46:38,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:38,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2023-11-19 07:46:38,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:38,574 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2023-11-19 07:46:38,574 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 101 states and 132 transitions. cyclomatic complexity: 38 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:46:38,699 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 101 states and 132 transitions. cyclomatic complexity: 38. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 115 states and 146 transitions. Complement of second has 16 states. [2023-11-19 07:46:38,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-19 07:46:38,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:46:38,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 14 transitions. [2023-11-19 07:46:38,704 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 48 letters. Loop has 3 letters. [2023-11-19 07:46:38,706 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:38,706 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-19 07:46:38,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:38,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 07:46:38,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:39,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 07:46:39,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:39,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2023-11-19 07:46:39,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:39,344 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2023-11-19 07:46:39,345 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 101 states and 132 transitions. cyclomatic complexity: 38 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:46:39,440 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 101 states and 132 transitions. cyclomatic complexity: 38. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 115 states and 146 transitions. Complement of second has 16 states. [2023-11-19 07:46:39,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-19 07:46:39,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:46:39,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 14 transitions. [2023-11-19 07:46:39,442 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 48 letters. Loop has 3 letters. [2023-11-19 07:46:39,443 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:39,443 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-19 07:46:39,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:39,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 07:46:39,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:39,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 07:46:39,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:40,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2023-11-19 07:46:40,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:40,032 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2023-11-19 07:46:40,032 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 101 states and 132 transitions. cyclomatic complexity: 38 Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:46:40,166 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 101 states and 132 transitions. cyclomatic complexity: 38. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 178 states and 236 transitions. Complement of second has 19 states. [2023-11-19 07:46:40,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-19 07:46:40,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:46:40,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2023-11-19 07:46:40,168 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 48 letters. Loop has 3 letters. [2023-11-19 07:46:40,169 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:40,169 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 51 letters. Loop has 3 letters. [2023-11-19 07:46:40,170 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:40,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 48 letters. Loop has 6 letters. [2023-11-19 07:46:40,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:46:40,171 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 178 states and 236 transitions. [2023-11-19 07:46:40,176 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-19 07:46:40,181 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 178 states to 120 states and 159 transitions. [2023-11-19 07:46:40,182 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2023-11-19 07:46:40,182 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 60 [2023-11-19 07:46:40,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 120 states and 159 transitions. [2023-11-19 07:46:40,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:46:40,183 INFO L218 hiAutomatonCegarLoop]: Abstraction has 120 states and 159 transitions. [2023-11-19 07:46:40,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states and 159 transitions. [2023-11-19 07:46:40,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 88. [2023-11-19 07:46:40,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 52 states have (on average 1.0961538461538463) internal successors, (57), 55 states have internal predecessors, (57), 15 states have call successors, (15), 12 states have call predecessors, (15), 21 states have return successors, (34), 20 states have call predecessors, (34), 12 states have call successors, (34) [2023-11-19 07:46:40,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 106 transitions. [2023-11-19 07:46:40,198 INFO L240 hiAutomatonCegarLoop]: Abstraction has 88 states and 106 transitions. [2023-11-19 07:46:40,198 INFO L428 stractBuchiCegarLoop]: Abstraction has 88 states and 106 transitions. [2023-11-19 07:46:40,198 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-19 07:46:40,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states and 106 transitions. [2023-11-19 07:46:40,199 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-19 07:46:40,200 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:46:40,200 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:46:40,203 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 8, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:40,203 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [10, 10, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:40,203 INFO L748 eck$LassoCheckResult]: Stem: 2730#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 2715#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 2710#L65 call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 2732#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int(~a.base, ~a.offset, 4); 2716#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int(0, ~b.base, ~b.offset, 4); 2717#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 2725#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 2786#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 2714#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 2720#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 2713#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 2701#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 2721#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 2722#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 2700#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 2721#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 2722#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 2700#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 2721#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 2722#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 2700#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 2721#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 2722#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 2700#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 2721#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 2722#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 2700#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 2721#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 2712#L25 assume !(#t~mem4 < 6);havoc #t~mem4; 2699#L25-1 assume true; 2702#func_to_recursive_line_21_to_21_0EXIT >#50#return; 2723#L25-1 assume true; 2784#func_to_recursive_line_21_to_21_0EXIT >#50#return; 2783#L25-1 assume true; 2770#func_to_recursive_line_21_to_21_0EXIT >#50#return; 2771#L25-1 assume true; 2766#func_to_recursive_line_21_to_21_0EXIT >#50#return; 2767#L25-1 assume true; 2761#func_to_recursive_line_21_to_21_0EXIT >#50#return; 2762#L25-1 assume true; 2757#func_to_recursive_line_21_to_21_0EXIT >#50#return; 2755#L25-1 assume true; 2739#func_to_recursive_line_21_to_21_0EXIT >#50#return; 2738#L25-1 assume true; 2733#func_to_recursive_line_21_to_21_0EXIT >#44#return; 2728#L47-1 [2023-11-19 07:46:40,204 INFO L750 eck$LassoCheckResult]: Loop: 2728#L47-1 call #t~mem8 := read~int(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9; 2707#L52 call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);< 2709#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int(~a.base, ~a.offset, 4); 2731#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int(0, ~b.base, ~b.offset, 4); 2734#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 2781#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 2780#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 2735#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 2779#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 2778#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 2737#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 2763#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 2777#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 2736#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 2763#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 2777#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 2736#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 2763#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 2777#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 2736#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 2763#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 2777#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 2736#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 2763#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 2777#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 2736#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 2763#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 2777#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 2736#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 2763#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 2777#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 2736#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 2763#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int(~b.base, ~b.offset, 4); 2776#L25 assume !(#t~mem4 < 6);havoc #t~mem4; 2775#L25-1 assume true; 2774#func_to_recursive_line_21_to_21_0EXIT >#50#return; 2772#L25-1 assume true; 2773#func_to_recursive_line_21_to_21_0EXIT >#50#return; 2768#L25-1 assume true; 2769#func_to_recursive_line_21_to_21_0EXIT >#50#return; 2764#L25-1 assume true; 2765#func_to_recursive_line_21_to_21_0EXIT >#50#return; 2759#L25-1 assume true; 2760#func_to_recursive_line_21_to_21_0EXIT >#50#return; 2782#L25-1 assume true; 2785#func_to_recursive_line_21_to_21_0EXIT >#50#return; 2738#L25-1 assume true; 2733#func_to_recursive_line_21_to_21_0EXIT >#50#return; 2738#L25-1 assume true; 2733#func_to_recursive_line_21_to_21_0EXIT >#50#return; 2738#L25-1 assume true; 2733#func_to_recursive_line_21_to_21_0EXIT >#50#return; 2738#L25-1 assume true; 2733#func_to_recursive_line_21_to_21_0EXIT >#44#return; 2728#L47-1 [2023-11-19 07:46:40,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:40,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1342082674, now seen corresponding path program 1 times [2023-11-19 07:46:40,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:40,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517014919] [2023-11-19 07:46:40,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:40,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:41,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 07:46:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:41,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:46:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:42,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:46:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:42,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:46:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:43,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:46:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:43,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:46:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:43,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:46:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:43,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:46:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:43,628 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 55 proven. 25 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-11-19 07:46:43,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:43,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517014919] [2023-11-19 07:46:43,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517014919] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:46:43,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321291144] [2023-11-19 07:46:43,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:43,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:46:43,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:43,631 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:46:43,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e380a976-02c1-4e32-8c65-3bdb58ad8404/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2023-11-19 07:46:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:43,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 90 conjunts are in the unsatisfiable core [2023-11-19 07:46:43,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:43,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 07:46:44,093 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 56 proven. 26 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-19 07:46:44,093 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:46:46,844 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 56 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:46:46,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321291144] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:46:46,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:46:46,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 29] total 40 [2023-11-19 07:46:46,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159908099] [2023-11-19 07:46:46,845 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:46:46,848 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:46:46,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:46,849 INFO L85 PathProgramCache]: Analyzing trace with hash -261000353, now seen corresponding path program 5 times [2023-11-19 07:46:46,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:46,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943414032] [2023-11-19 07:46:46,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:46,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:47,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 07:46:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:48,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:46:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat